$82+ Cheap flights from Rio de Janeiro, Brazil (RIO) to Buenos Aires (BUE)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/19. Fares are subject to change and may not be available on all flights or dates of travel.
RIO — BUE
Sep 23 — Sep 301
Round-trip
1 adult, Economy
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Find cheap flights from Rio de Janeiro to Buenos Aires with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from Rio de Janeiro to Buenos Aires are usually found in June or May, booked 84 days in advance, depart on a Thursday or Wednesday and return on a Monday
Cheap flight deals from Rio de Janeiro to Buenos Aires
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Cheapest flights from Rio de Janeiro to Buenos AiresExplore the most affordable flight options available from Rio de Janeiro to Buenos Aires. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 24, 2026.
Explore the most affordable flight options available from Rio de Janeiro to Buenos Aires. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 24, 2026.
This CheapOair deal was found by Cheapflights users on 8/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/38:05 am -
Nonstop3h 25m
Sun 11/83:17 pm -
Nonstop2h 58m
Deal found 8/22![JetSMART logo]()
$218
This CheapOair deal was found by Cheapflights users on 8/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/189:20 am -
Nonstop3h 24m
Wed 11/2512:57 pm -
Nonstop2h 58m
Deal found 8/23![JetSMART logo]()
$218
This CheapOair deal was found by Cheapflights users on 8/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/238:05 am -
Nonstop3h 25m
Tue 10/273:55 pm -
Nonstop2h 55m
Deal found 8/22![JetSMART logo]()
$219
This CheapOair deal was found by Cheapflights users on 8/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/31:40 pm -
Nonstop3h 24m
Sun 11/812:57 pm -
Nonstop2h 58m
Deal found 8/23![JetSMART logo]()
$219
This JetSMART deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetSMART is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/98:05 am -
Nonstop3h 25m
Sun 9/133:55 pm -
Nonstop2h 55m
Deal found 8/21![JetSMART logo]()
$222
This JetSMART deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetSMART is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/291:40 pm -
Nonstop3h 28m
Tue 11/312:57 pm -
Nonstop2h 58m
Deal found 8/21![JetSMART logo]()
$222
This JetSMART deal was found by Cheapflights users on 8/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetSMART is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/308:05 am -
Nonstop3h 25m
Sat 10/33:55 pm -
Nonstop2h 55m
Deal found 8/22![JetSMART logo]()
$223
This JetSMART deal was found by Cheapflights users on 8/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetSMART is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/38:05 pm -
Nonstop3h 25m
Tue 11/103:57 pm -
Nonstop2h 58m
Deal found 8/23![JetSMART logo]()
$224
This JetSMART deal was found by Cheapflights users on 8/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetSMART is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/221:40 pm -
Nonstop3h 28m
Mon 10/265:29 am -
Nonstop2h 56m
Deal found 8/23![JetSMART logo]()
$224
This CheapOair deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/189:20 am -
Nonstop3h 24m
Tue 11/2412:57 pm -
Nonstop2h 58m
Deal found 8/21![JetSMART logo]()
$225
This CheapOair deal was found by Cheapflights users on 8/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/98:05 am -
Nonstop3h 25m
Thu 11/263:57 pm -
Nonstop2h 58m
Deal found 8/23![JetSMART logo]()
$229
This JetSMART deal was found by Cheapflights users on 8/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetSMART is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/259:20 am -
Nonstop3h 24m
Sun 11/2912:57 pm -
Nonstop2h 58m
Deal found 8/22![JetSMART logo]()
$232
Best flights from Rio de Janeiro to Buenos AiresDiscover carefully curated flight deals from Rio de Janeiro to Buenos Aires that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 24, 2026.
Discover carefully curated flight deals from Rio de Janeiro to Buenos Aires that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 24, 2026.
This JetSMART deal was found by Cheapflights users on 8/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetSMART is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/238:05 am -
Nonstop3h 25m
Sun 10/253:55 pm -
Nonstop2h 55m
Deal found 8/23![JetSMART logo]()
$224
This GOL deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure GOL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/16:05 am -
Nonstop3h 15m
Wed 10/710:25 pm -
Nonstop3h 00m
Deal found 8/19![GOL logo]()
$302
This British Airways deal was found by Cheapflights users on 8/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/177:15 am -
Nonstop3h 30m
Sun 9/2712:25 pm -
Nonstop2h 50m
Deal found 8/22![British Airways logo]()
$349
This JetSMART deal was found by Cheapflights users on 8/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetSMART is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/38:05 am -
Nonstop3h 25m
Sun 11/83:17 pm -
Nonstop2h 58m
Deal found 8/22![JetSMART logo]()
$235
This JetSMART deal was found by Cheapflights users on 8/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetSMART is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/238:05 am -
Nonstop3h 25m
Fri 10/304:15 am -
Nonstop2h 55m
Deal found 8/23![JetSMART logo]()
$273
This GOL deal was found by Cheapflights users on 8/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure GOL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/16:05 am -
Nonstop3h 15m
Wed 10/1410:25 pm -
Nonstop3h 00m
Deal found 8/23![GOL logo]()
$302
This JetSMART deal was found by Cheapflights users on 8/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetSMART is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/28:05 am -
Nonstop3h 25m
Mon 10/53:14 pm -
Nonstop2h 56m
Deal found 8/23![JetSMART logo]()
$273
This GOL deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure GOL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/56:05 am -
Nonstop3h 15m
Fri 10/162:30 pm -
Nonstop3h 00m
Deal found 8/19![GOL logo]()
$302
This Turkish Airlines deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/11:55 pm -
1 stop8h 30m
Tue 10/611:55 pm -
1 stop8h 40m
Deal found 8/20![Turkish Airlines logo]()
$665
This British Airways deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/78:25 am -
Nonstop3h 20m
Tue 12/221:35 pm -
Nonstop2h 55m
Deal found 8/21![British Airways logo]()
$350
This GOL deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure GOL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/154:50 am -
Nonstop3h 10m
Wed 10/710:25 pm -
Nonstop3h 00m
Deal found 8/19![GOL logo]()
$302
This British Airways deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/198:25 am -
Nonstop3h 20m
Mon 11/231:35 pm -
Nonstop2h 55m
Deal found 8/19![British Airways logo]()
$350
This GOL deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure GOL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/168:55 am -
Nonstop3h 30m
Tue 10/201:15 pm -
Nonstop2h 55m
Deal found 8/19![GOL logo]()
$302
This JetSMART deal was found by Cheapflights users on 8/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetSMART is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/248:05 am -
Nonstop3h 25m
Fri 10/3012:45 pm -
1 stop23h 55m
Deal found 8/22![JetSMART logo]()
$306
This GOL deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure GOL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/178:55 am -
Nonstop3h 30m
Tue 10/201:15 pm -
Nonstop2h 55m
Deal found 8/20![GOL logo]()
$302
This JetSMART deal was found by Cheapflights users on 8/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetSMART is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/261:40 pm -
Nonstop3h 24m
Wed 12/25:32 am -
Nonstop2h 58m
Deal found 8/23![JetSMART logo]()
$313
This GOL deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure GOL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/212:50 pm -
Nonstop3h 25m
Mon 10/51:15 pm -
Nonstop2h 55m
Deal found 8/20![GOL logo]()
$302
This JetSMART deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetSMART is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/1811:55 am -
Nonstop3h 25m
Thu 12/243:57 pm -
Nonstop2h 58m
Deal found 8/21![JetSMART logo]()
$316
This GOL deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure GOL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/76:05 am -
Nonstop3h 15m
Sat 9/1210:20 am -
Nonstop2h 55m
Deal found 8/19![GOL logo]()
$321
This GOL deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure GOL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/158:55 am -
Nonstop3h 30m
Tue 10/65:30 pm -
Nonstop2h 55m
Deal found 8/21![GOL logo]()
$321
This Turkish Airlines deal was found by Cheapflights users on 8/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/31:55 pm -
1 stop8h 30m
Sat 9/1211:55 pm -
1 stop8h 40m
Deal found 8/23![Turkish Airlines logo]()
$665
This GOL deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure GOL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/158:55 am -
Nonstop3h 30m
Wed 10/75:05 pm -
Nonstop2h 55m
Deal found 8/21![GOL logo]()
$321
This Turkish Airlines deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/161:55 pm -
1 stop8h 30m
Tue 10/611:55 pm -
1 stop8h 40m
Deal found 8/19![Turkish Airlines logo]()
$687
This Turkish Airlines deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/181:55 pm -
1 stop8h 30m
Mon 9/2111:55 pm -
1 stop8h 40m
Deal found 8/19![Turkish Airlines logo]()
$695
This Turkish Airlines deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/211:55 pm -
1 stop8h 30m
Mon 9/2811:55 pm -
1 stop8h 40m
Deal found 8/19![Turkish Airlines logo]()
$723
This Turkish Airlines deal was found by Cheapflights users on 8/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/101:55 pm -
1 stop8h 30m
Sat 9/1211:55 pm -
1 stop8h 40m
Deal found 8/22![Turkish Airlines logo]()
$723
This GOL deal was found by Cheapflights users on 8/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure GOL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/196:05 am -
1 stop6h 55m
Thu 10/223:40 am -
1 stop7h 05m
Deal found 8/22![GOL logo]()
$452
This GOL deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure GOL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/112:20 pm -
1 stop24h 40m
Tue 10/133:40 am -
1 stop13h 00m
Deal found 8/19![GOL logo]()
$453
This Turkish Airlines deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/151:55 pm -
1 stop8h 30m
Wed 10/711:55 pm -
1 stop8h 40m
Deal found 8/19![Turkish Airlines logo]()
$744
This GOL deal was found by Cheapflights users on 8/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure GOL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/236:05 am -
1 stop6h 55m
Thu 10/293:30 am -
1 stop10h 40m
Deal found 8/23![GOL logo]()
$455
Last-minute flights from Rio de Janeiro to Buenos AiresDiscover last-minute flight deals from Rio de Janeiro to Buenos Aires. Data last updated August 24, 2026 and is based on user searches.
Discover last-minute flight deals from Rio de Janeiro to Buenos Aires. Data last updated August 24, 2026 and is based on user searches.
This JetSMART deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetSMART is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/28:05 am -
Nonstop3h 28m
Sun 9/63:55 pm -
Nonstop2h 55m
Deal found 8/21![JetSMART logo]()
$270
This GOL deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure GOL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/28:55 am -
Nonstop3h 30m
Sun 9/65:05 pm -
Nonstop3h 00m
Deal found 8/20![GOL logo]()
$299
This JetSMART deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetSMART is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/98:05 am -
Nonstop3h 25m
Sun 9/133:55 pm -
Nonstop2h 55m
Deal found 8/21![JetSMART logo]()
$222
This Booking.com deal was found by Cheapflights users on 8/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/188:05 am -
Nonstop3h 25m
Sat 9/2610:10 pm -
2 stops14h 10m
Deal found 8/23![JetSMART logo]()
$273
This JetSMART deal was found by Cheapflights users on 8/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetSMART is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/228:05 am -
Nonstop3h 28m
Sat 10/33:55 pm -
Nonstop2h 55m
Deal found 8/23![JetSMART logo]()
$257
This JetSMART deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetSMART is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/228:05 am -
Nonstop3h 28m
Thu 10/226:00 am -
1 stop6h 40m
Deal found 8/21![JetSMART logo]()
$277
This JetSMART deal was found by Cheapflights users on 8/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetSMART is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/238:05 am -
Nonstop3h 28m
Sun 9/273:55 pm -
Nonstop2h 55m
Deal found 8/23![JetSMART logo]()
$224
This JetSMART deal was found by Cheapflights users on 8/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetSMART is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/238:05 am -
Nonstop3h 28m
Tue 10/64:15 am -
Nonstop2h 55m
Deal found 8/23![JetSMART logo]()
$233
This JetSMART deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetSMART is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/258:05 am -
Nonstop3h 25m
Mon 10/53:14 pm -
Nonstop2h 56m
Deal found 8/21![JetSMART logo]()
$235
This JetSMART deal was found by Cheapflights users on 8/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetSMART is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/308:05 am -
Nonstop3h 25m
Sat 10/33:55 pm -
Nonstop2h 55m
Deal found 8/22![JetSMART logo]()
$223
This JetSMART deal was found by Cheapflights users on 8/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetSMART is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/308:05 am -
Nonstop3h 25m
Fri 10/23:10 pm -
Nonstop2h 55m
Deal found 8/22![JetSMART logo]()
$256
This GOL deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure GOL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/308:55 am -
Nonstop3h 30m
Sun 10/45:05 pm -
Nonstop3h 00m
Deal found 8/20![GOL logo]()
$301
One-way flights from Rio de Janeiro to Buenos AiresSearch for one-way flight options from Rio de Janeiro to Buenos Aires. Find affordable one-way fares based on user searches. Data last updated August 24, 2026.
Search for one-way flight options from Rio de Janeiro to Buenos Aires. Find affordable one-way fares based on user searches. Data last updated August 24, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/199:20 am -
Nonstop3h 28m
Deal found 8/22![JetSMART logo]()
$82
This Kiwi.com deal was found by Cheapflights users on 8/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/28:05 am -
Nonstop3h 25m
Deal found 8/23![JetSMART logo]()
$83
This JetSMART deal was found by Cheapflights users on 8/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetSMART is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/98:05 am -
Nonstop3h 25m
Deal found 8/23![JetSMART logo]()
$84
This JetSMART deal was found by Cheapflights users on 8/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetSMART is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/101:40 pm -
Nonstop3h 24m
Deal found 8/23![JetSMART logo]()
$84
This FlightHub deal was found by Cheapflights users on 8/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/288:05 am -
Nonstop3h 25m
Deal found 8/22![JetSMART logo]()
$87
This Kiwi.com deal was found by Cheapflights users on 8/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/191:40 pm -
Nonstop3h 24m
Deal found 8/22![JetSMART logo]()
$91
This Kiwi.com deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/158:05 am -
Nonstop3h 25m
Deal found 8/19![JetSMART logo]()
$94
This Kiwi.com deal was found by Cheapflights users on 8/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/189:20 am -
Nonstop3h 24m
Deal found 8/22![JetSMART logo]()
$94
This JetSMART deal was found by Cheapflights users on 8/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetSMART is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/78:05 am -
Nonstop3h 25m
Deal found 8/23![JetSMART logo]()
$96
This OneTravel deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure OneTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/161:40 pm -
Nonstop3h 24m
Deal found 8/20![JetSMART logo]()
$96
This Kiwi.com deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/138:05 am -
Nonstop3h 25m
Deal found 8/21![JetSMART logo]()
$97
This Kiwi.com deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/128:05 am -
Nonstop3h 25m
Deal found 8/21![JetSMART logo]()
$98
Find flight deals from Rio de Janeiro to Buenos Aires
Discover tips and strategies to find the most affordable flight options for your journey from Rio de Janeiro (RIO) to Buenos Aires (BUE). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated August 24, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $218 (CheapOair) |
One-way from | $82 (Kiwi.com) |
Popular in | February |
Cheapest in | June |
Average price | $270 |
Good round-trip deal | $326 or less |
Good one-way deal | $147 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Rio de Janeiro to Buenos Aires that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated August 24, 2026.
Use the filters below to find and compare flights from Rio de Janeiro to Buenos Aires that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Rio de JaneiroBuenos Aires
GIG Rio de Janeiro–Galeão Intl - AEP Buenos Aires Jorge Newbery
GIGAEP
Rio de Janeiro–Galeão Intl
Fri 10/23
8:05 am-11:30 am
Nonstop3h 25m
Buenos Aires Jorge Newbery
Sun 10/25
3:55 pm-6:50 pm
Nonstop2h 55m
$224
Rio de JaneiroBuenos Aires
GIG Rio de Janeiro–Galeão Intl - AEP Buenos Aires Jorge Newbery
GIGAEP
Rio de Janeiro–Galeão Intl
Tue 11/3
8:05 am-11:30 am
Nonstop3h 25m
Buenos Aires Jorge Newbery
Sun 11/8
3:17 pm-6:15 pm
Nonstop2h 58m
$235
Rio de JaneiroBuenos Aires
GIG Rio de Janeiro–Galeão Intl - AEP Buenos Aires Jorge Newbery
GIGAEP
Rio de Janeiro–Galeão Intl
Fri 10/23
8:05 am-11:30 am
Nonstop3h 25m
Buenos Aires Jorge Newbery
Fri 10/30
4:15 am-7:10 am
Nonstop2h 55m
$273
Rio de JaneiroBuenos Aires
GIG Rio de Janeiro–Galeão Intl - AEP Buenos Aires Jorge Newbery
GIGAEP
Rio de Janeiro–Galeão Intl
Fri 10/2
8:05 am-11:30 am
Nonstop3h 25m
Buenos Aires Jorge Newbery
Mon 10/5
3:14 pm-6:10 pm
Nonstop2h 56m
$273
Rio de JaneiroBuenos Aires
GIG Rio de Janeiro–Galeão Intl - AEP Buenos Aires Jorge Newbery
GIGAEP
Rio de Janeiro–Galeão Intl
Thu 10/1
6:05 am-9:20 am
Nonstop3h 15m
Buenos Aires Jorge Newbery
Wed 10/7
10:25 pm-1:25 am
Nonstop3h 00m
$302
Rio de JaneiroBuenos Aires
GIG Rio de Janeiro –Galeão Intl - AEP Buenos Aires Jorge Newbery
GIGAEP
Rio de Janeiro–Galeão Intl
Thu 10/1
6:05 am-9:20 am
Nonstop3h 15m
Buenos Aires Jorge Newbery
Wed 10/14
10:25 pm-1:25 am
Nonstop3h 00m
$302
Rio de JaneiroBuenos Aires
GIG Rio de Janeiro–Galeão Intl - AEP Buenos Aires Jorge Newbery
GIGAEP
Rio de Janeiro–Galeão Intl
Mon 10/5
6:05 am-9:20 am
Nonstop3h 15m
Buenos Aires Jorge Newbery
Fri 10/16
2:30 pm-5:30 pm
Nonstop3h 00m
$302
Quickest round-trip
Rio de JaneiroBuenos Aires
GIG Rio de Janeiro–Galeão Intl - AEP Buenos Aires Jorge Newbery
GIGAEP
Rio de Janeiro–Galeão Intl
Tue 9/15
4:50 am-8:00 am
Nonstop3h 10m
Buenos Aires Jorge Newbery
Wed 10/7
10:25 pm-1:25 am
Nonstop3h 00m
$302
Rio de JaneiroBuenos Aires
GIG Rio de Janeiro–Galeão Intl - EZE Buenos Aires Ministro Pistarini
GIGEZE
Rio de Janeiro–Galeão Intl
Fri 10/16
8:55 am-12:25 pm
Nonstop3h 30m
Buenos Aires Ministro Pistarini
Tue 10/20
1:15 pm-4:10 pm
Nonstop2h 55m
$302
Rio de JaneiroBuenos Aires
GIG Rio de Janeiro–Galeão Intl - EZE Buenos Aires Ministro Pistarini
GIGEZE
Rio de Janeiro–Galeão Intl
Sat 10/17
8:55 am-12:25 pm
Nonstop3h 30m
Buenos Aires Ministro Pistarini
Tue 10/20
1:15 pm-4:10 pm
Nonstop2h 55m
$302
Showing 1-10 of 60 resultsSorted by cheapest first
Compare providers for flights from Rio de Janeiro to Buenos Aires
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Rio de Janeiro to Buenos Aires in August.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Rio de Janeiro-Buenos Aires flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Rio de Janeiro-Buenos Aires flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Rio de Janeiro-Buenos Aires flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Rio de Janeiro-Buenos Aires flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Rio de Janeiro-Buenos Aires flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Rio de Janeiro to Buenos Aires
Have a flexible travel schedule? Discover the best time to fly to Buenos Aires from Rio de Janeiro with our price prediction graph.
RIO-BUE
GIG-EZE
GIG-AEP
SDU-EZE
SDU-AEP
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Rio de Janeiro to Buenos Aires
RIO-BUE
GIG-EZE
GIG-AEP
SDU-EZE
SDU-AEP
What is the cheapest month to book a flight from Rio de Janeiro to Buenos Aires?
Currently, June is the cheapest month in which you can book a flight from Rio de Janeiro to Buenos Aires (average of $242). Flying from Rio de Janeiro to Buenos Aires in February is currently the most expensive (average of $339). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from RIO to BUE?
Find hourly flight availability from Rio de Janeiro to Buenos Aires. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 24, 2026.
A simple way to save on the total cost of your ticket is to fly from Rio de Janeiro to Buenos Aires in the evening. If you’re flexible enough to do this you can expect to save up to 54% on your trip compared to booking a flight at noon.
Weekly flight availability from Rio de Janeiro to Buenos Aires
Explore weekly flight availability from Rio de Janeiro to Buenos Aires. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated August 24, 2026.
The most flights from RIO to BUE are scheduled on a Saturday (38 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (4 on average).
How much does it cost to fly round-trip from Rio de Janeiro to Buenos Aires?
Airfare is below average for this route at the moment.
Rio de Janeiro to Buenos Aires flights typically cost between $233 and $330 in November.The cheapest round-trip price found within the last 5 days was $218 on JetSMART (Nov 3-Nov 8).
How often are flights from Rio de Janeiro to Buenos Aires delayed?
About 14% of weekly flights between Rio de Janeiro and Buenos Aires have experienced delays in the past year, with the average delay time being 129 minutes.
What is the most punctual flight time for Rio de Janeiro to Buenos Aires flights?
Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Tuesday tends to have the lowest number of delays on this route, whereas Friday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on Rio de Janeiro to Buenos Aires flights?
Over the last year, British Airways have had the lowest number of delays on this route, with just 7% of flights being delayed.
How far ahead should I book a flight from Rio de Janeiro to Buenos Aires?
Booking 70 days in advance of your planned departure date is, on average, the best time to get cheap flights from Rio de Janeiro to Buenos Aires. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
Reviews of airlines servicing Buenos Aires
Get insights into the airlines that provide service to Buenos Aires. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Buenos Aires. Reviews last updated August 24, 2026.
Read through reviews of airlines operating flights from Rio de Janeiro to Buenos Aires, such as Aerolineas Argentinas,GOL, andJetSMART. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Food
6.5
Entertainment
5.9
Overall
8.1
Boarding
7.9
Crew
8.4
Comfort
7.6
Reviews
1 / 8
6.0
GoodJesica,Jul 2026
MIA - EZE
Food
6.5
Entertainment
5.9
Overall
8.1
Boarding
7.9
Crew
8.4
Comfort
7.6
Reviews
1 / 8
6.0
GoodJesica,Jul 2026
MIA - EZE
Food
6.5
Entertainment
5.9
Overall
8.1
Boarding
7.9
Crew
8.4
Comfort
7.6
Reviews
1 / 8
6.0
GoodJesica,Jul 2026
MIA - EZE
Food
6.5
Entertainment
5.9
Overall
8.1
Boarding
7.9
Crew
8.4
Comfort
7.6
Reviews
1 / 8
6.0
GoodJesica,Jul 2026
MIA - EZE
Food
6.5
Entertainment
5.9
Overall
8.1
Boarding
7.9
Crew
8.4
Comfort
7.6
Reviews
1 / 8
6.0
GoodJesica,Jul 2026
MIA - EZE
Food
6.5
Entertainment
5.9
Overall
8.1
Boarding
7.9
Crew
8.4
Comfort
7.6
Reviews
1 / 8
6.0
GoodJesica,Jul 2026
MIA - EZE
Related info for your journey
Find useful and relevant information for your journey from Rio de Janeiro to Buenos Aires. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Buenos Aires flight routes
Complete your trip
Flights by cabin class
Other flight options
Other flights from Rio de Janeiro
Popular flights
Alternative routes for Rio de Janeiro to Buenos Aires
See prices for flight routes from nearby airports that may be better suited for you.
Other flights to Buenos Aires
Explore flights to Buenos Aires departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on August 24, 2026.
Complete your trip
Complete your trip to Buenos Aires by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Rio de Janeiro to Buenos Aires by cabin class
Find flights from Rio de Janeiro to Buenos Aires, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Rio de Janeiro and Buenos Aires flights
Browse other Rio de Janeiro and Buenos Aires flight options. Last updated on August 24, 2026.
Other flights from Rio de Janeiro
Browse through other flights departing from Rio de Janeiro. Flights are based on user searches made on Cheapflights and were last updated on August 24, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 2 airlines flying from Rio de Janeiro to Buenos Aires
Discover the top 2 airlines that operate flights from Rio de Janeiro to Buenos Aires. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated August 24, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$71 | Average$282 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$290 | Average$356 | FlexibilityNo cancel fee | On-time70% |