$79+ 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 9/7. Fares are subject to change and may not be available on all flights or dates of travel.
RIO — BUE
Sep 7 — Sep 141
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 88 days in advance, depart on a Tuesday or Thursday and return on a Wednesday
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 8, 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 8, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/3. 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 9/98:05 am -
Nonstop3h 25m
Mon 9/143:09 pm -
Nonstop2h 56m
Deal found 8/3![JetSMART logo]()
$220
This Booking.com deal was found by Cheapflights users on 8/3. 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.
Thu 8/208:05 am -
Nonstop3h 25m
Mon 8/313:14 pm -
Nonstop2h 56m
Deal found 8/3![JetSMART logo]()
$221
This JetSMART deal was found by Cheapflights users on 8/3. 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 9/78:05 am -
Nonstop3h 25m
Tue 9/154:15 am -
Nonstop2h 55m
Deal found 8/3![JetSMART logo]()
$222
This LATAM Airlines deal was found by Cheapflights users on 8/3. 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 LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/2411:10 am -
Nonstop3h 30m
Mon 9/283:35 pm -
Nonstop3h 00m
Deal found 8/3![LATAM Airlines logo]()
$222
This CheapOair deal was found by Cheapflights users on 8/7. 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 11/255:32 am -
Nonstop2h 58m
Deal found 8/7![JetSMART logo]()
$224
This LATAM Airlines deal was found by Cheapflights users on 8/3. 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 LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/3011:10 am -
Nonstop3h 30m
Sat 10/32:20 am -
1 stop11h 35m
Deal found 8/3![LATAM Airlines logo]()
$229
This CheapOair deal was found by Cheapflights users on 8/3. 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.
Thu 8/208:05 am -
Nonstop3h 25m
Mon 8/244:15 am -
Nonstop2h 55m
Deal found 8/3![JetSMART logo]()
$231
This CheapOair deal was found by Cheapflights users on 8/3. 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 11/259:20 am -
Nonstop3h 24m
Wed 12/212:54 pm -
Nonstop2h 56m
Deal found 8/3![JetSMART logo]()
$233
This CheapOair deal was found by Cheapflights users on 8/3. 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 11/258:05 am -
Nonstop3h 25m
Wed 12/23:55 pm -
Nonstop2h 55m
Deal found 8/3![JetSMART logo]()
$236
This CheapOair deal was found by Cheapflights users on 8/3. 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 8/258:05 am -
Nonstop3h 28m
Mon 8/313:35 pm -
Nonstop3h 00m
Deal found 8/3![Multiple Airlines logo]()
$236
This CheapOair deal was found by Cheapflights users on 8/3. 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.
Thu 8/208:05 am -
Nonstop3h 25m
Fri 9/43:10 pm -
Nonstop2h 55m
Deal found 8/3![JetSMART logo]()
$238
This Kiwi.com deal was found by Cheapflights users on 8/5. 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 9/227:55 am -
2 stops7h 50m
Wed 9/235:05 pm -
Nonstop2h 55m
Deal found 8/5![Multiple Airlines logo]()
$242
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 8, 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 8, 2026.
This GOL deal was found by Cheapflights users on 8/7. 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 12/39:35 am -
Nonstop3h 25m
Thu 12/1010:20 am -
Nonstop2h 55m
Deal found 8/7![GOL logo]()
$272
This JetSMART deal was found by Cheapflights users on 8/7. 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 11/58:05 am -
Nonstop3h 25m
Mon 11/94:17 am -
Nonstop2h 58m
Deal found 8/7![JetSMART logo]()
$293
This British Airways deal was found by Cheapflights users on 8/6. 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 8/6![British Airways logo]()
$338
This CheapOair deal was found by Cheapflights users on 8/7. 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 1/1110:10 am -
1 stop24h 20m
Fri 1/1510:00 am -
1 stop11h 50m
Deal found 8/7![LATAM Airlines logo]()
$486
This GOL deal was found by Cheapflights users on 8/3. 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 9/34:50 am -
Nonstop3h 10m
Fri 9/1110:25 pm -
Nonstop3h 00m
Deal found 8/3![GOL logo]()
$288
This Turkish Airlines deal was found by Cheapflights users on 8/6. 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 9/171:55 pm -
1 stop8h 30m
Sun 9/2711:55 pm -
1 stop8h 40m
Deal found 8/6![Turkish Airlines logo]()
$614
This JetSMART deal was found by Cheapflights users on 8/4. 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 10/308:05 am -
Nonstop3h 25m
Mon 11/23:57 pm -
Nonstop2h 58m
Deal found 8/4![JetSMART logo]()
$310
This GOL deal was found by Cheapflights users on 8/4. 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 9/1112:50 pm -
Nonstop3h 25m
Tue 9/155:30 pm -
Nonstop2h 55m
Deal found 8/4![GOL logo]()
$288
This British Airways deal was found by Cheapflights users on 8/7. 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 9/217:15 am -
Nonstop3h 30m
Mon 9/2812:25 pm -
Nonstop2h 50m
Deal found 8/7![British Airways logo]()
$346
This JetSMART deal was found by Cheapflights users on 8/7. 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 10/68:05 am -
Nonstop3h 25m
Sun 10/113:55 pm -
Nonstop2h 55m
Deal found 8/7![JetSMART logo]()
$319
This GOL deal was found by Cheapflights users on 8/7. 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 8/246:05 am -
Nonstop3h 15m
Mon 9/2810:25 pm -
Nonstop3h 00m
Deal found 8/7![GOL logo]()
$293
This British Airways deal was found by Cheapflights users on 8/8. 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.
Fri 11/278:25 am -
Nonstop3h 20m
Sun 11/291:35 pm -
Nonstop2h 55m
Deal found 8/8![British Airways logo]()
$350
This JetSMART deal was found by Cheapflights users on 8/4. 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 9/98:25 pm -
1 stop14h 55m
Tue 9/153:55 pm -
Nonstop2h 55m
Deal found 8/4![JetSMART logo]()
$319
This GOL deal was found by Cheapflights users on 8/5. 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 10/26:05 am -
Nonstop3h 15m
Mon 10/510:25 pm -
Nonstop3h 00m
Deal found 8/5![GOL logo]()
$306
This British Airways deal was found by Cheapflights users on 8/4. 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.
Wed 1/208:25 am -
Nonstop3h 20m
Wed 1/271:35 pm -
Nonstop2h 55m
Deal found 8/4![British Airways logo]()
$351
This JetSMART deal was found by Cheapflights users on 8/7. 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 9/78:05 am -
Nonstop3h 25m
Sat 9/123:55 pm -
Nonstop2h 55m
Deal found 8/7![JetSMART logo]()
$328
This GOL deal was found by Cheapflights users on 8/4. 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 10/56:30 pm -
Nonstop2h 55m
Deal found 8/4![GOL logo]()
$317
This British Airways deal was found by Cheapflights users on 8/7. 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.
Fri 10/167:15 am -
Nonstop3h 30m
Tue 10/2012:25 pm -
Nonstop2h 50m
Deal found 8/7![British Airways logo]()
$352
This JetSMART deal was found by Cheapflights users on 8/3. 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 9/41:25 pm -
2 stops31h 55m
Wed 9/93:55 pm -
Nonstop2h 55m
Deal found 8/3![JetSMART logo]()
$330
This British Airways deal was found by Cheapflights users on 8/7. 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.
Sat 8/227:15 am -
Nonstop3h 30m
Sat 9/512:25 pm -
Nonstop2h 50m
Deal found 8/7![British Airways logo]()
$359
This GOL deal was found by Cheapflights users on 8/8. 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 9/178:55 am -
Nonstop3h 30m
Mon 9/216:30 pm -
Nonstop2h 55m
Deal found 8/8![GOL logo]()
$337
This Turkish Airlines deal was found by Cheapflights users on 8/8. 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 9/111:55 pm -
1 stop8h 30m
Tue 9/1511:55 pm -
1 stop8h 40m
Deal found 8/8![Turkish Airlines logo]()
$702
This Turkish Airlines deal was found by Cheapflights users on 8/6. 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 8/281:55 pm -
1 stop8h 30m
Fri 9/411:55 pm -
1 stop8h 40m
Deal found 8/6![Turkish Airlines logo]()
$711
This GOL deal was found by Cheapflights users on 8/7. 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 11/193:15 pm -
1 stop21h 45m
Sun 11/223:30 am -
1 stop10h 45m
Deal found 8/7![GOL logo]()
$506
This Turkish Airlines deal was found by Cheapflights users on 8/6. 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.
Sun 8/301:55 pm -
1 stop8h 30m
Sun 9/611:55 pm -
1 stop8h 40m
Deal found 8/6![Turkish Airlines logo]()
$768
This GOL deal was found by Cheapflights users on 8/4. 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 12/35:40 pm -
1 stop19h 20m
Sat 12/53:30 am -
1 stop10h 40m
Deal found 8/4![GOL logo]()
$510
This Turkish Airlines deal was found by Cheapflights users on 8/7. 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.
Sat 9/51:55 pm -
1 stop8h 30m
Sat 9/1211:55 pm -
1 stop8h 40m
Deal found 8/7![Turkish Airlines logo]()
$769
This GOL deal was found by Cheapflights users on 8/3. 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 8/2012:20 pm -
1 stop24h 40m
Sat 8/223:40 am -
1 stop7h 05m
Deal found 8/3![GOL logo]()
$513
This Turkish Airlines deal was found by Cheapflights users on 8/5. 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 8/201:55 pm -
1 stop8h 30m
Mon 8/2411:55 pm -
1 stop8h 45m
Deal found 8/5![Turkish Airlines logo]()
$769
This GOL deal was found by Cheapflights users on 8/3. 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 8/3![GOL logo]()
$514
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 8, 2026 and is based on user searches.
Discover last-minute flight deals from Rio de Janeiro to Buenos Aires. Data last updated August 8, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 8/4. 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 8/198:00 am -
2 stops17h 05m
Wed 8/2610:25 pm -
Nonstop3h 00m
Deal found 8/4![Multiple Airlines logo]()
$244
This Booking.com deal was found by Cheapflights users on 8/3. 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.
Thu 8/208:05 am -
Nonstop3h 25m
Mon 8/313:14 pm -
Nonstop2h 56m
Deal found 8/3![JetSMART logo]()
$221
This CheapOair deal was found by Cheapflights users on 8/3. 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.
Thu 8/208:05 am -
Nonstop3h 25m
Mon 8/244:15 am -
Nonstop2h 55m
Deal found 8/3![JetSMART logo]()
$231
This CheapOair deal was found by Cheapflights users on 8/3. 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.
Thu 8/208:05 am -
Nonstop3h 25m
Fri 9/43:10 pm -
Nonstop2h 55m
Deal found 8/3![JetSMART logo]()
$238
This LATAM Airlines deal was found by Cheapflights users on 8/3. 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 LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/2411:10 am -
Nonstop3h 30m
Mon 9/283:35 pm -
Nonstop3h 00m
Deal found 8/3![LATAM Airlines logo]()
$222
This CheapOair deal was found by Cheapflights users on 8/3. 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 8/258:05 am -
Nonstop3h 28m
Mon 8/313:35 pm -
Nonstop3h 00m
Deal found 8/3![Multiple Airlines logo]()
$236
This Kiwi.com deal was found by Cheapflights users on 8/5. 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 8/2610:50 am -
Nonstop3h 20m
Wed 9/25:05 pm -
Nonstop2h 55m
Deal found 8/5![Multiple Airlines logo]()
$243
This JetSMART deal was found by Cheapflights users on 8/3. 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 9/78:05 am -
Nonstop3h 25m
Tue 9/154:15 am -
Nonstop2h 55m
Deal found 8/3![JetSMART logo]()
$222
This Kiwi.com deal was found by Cheapflights users on 8/3. 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 9/98:05 am -
Nonstop3h 25m
Mon 9/143:09 pm -
Nonstop2h 56m
Deal found 8/3![JetSMART logo]()
$220
This Kiwi.com deal was found by Cheapflights users on 8/5. 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 9/227:55 am -
2 stops7h 50m
Wed 9/235:05 pm -
Nonstop2h 55m
Deal found 8/5![Multiple Airlines logo]()
$242
This LATAM Airlines deal was found by Cheapflights users on 8/3. 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 LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/3011:10 am -
Nonstop3h 30m
Sat 10/32:20 am -
1 stop11h 35m
Deal found 8/3![LATAM Airlines logo]()
$229
This LATAM Airlines deal was found by Cheapflights users on 8/3. 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 LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/309:20 pm -
2 stops18h 25m
Sat 10/32:20 am -
2 stops11h 10m
Deal found 8/3![LATAM Airlines logo]()
$243
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 8, 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 8, 2026.
This JetSMART deal was found by Cheapflights users on 8/3. 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 9/78:05 am -
Nonstop3h 25m
Deal found 8/3![JetSMART logo]()
$79
This LATAM Airlines deal was found by Cheapflights users on 8/4. 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 LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/710:25 pm -
1 stop13h 05m
Deal found 8/4![LATAM Airlines logo]()
$79
This CheapOair deal was found by Cheapflights users on 8/3. 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.
Sat 12/58:05 am -
Nonstop3h 25m
Deal found 8/3![JetSMART logo]()
$80
This CheapOair deal was found by Cheapflights users on 8/3. 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.
Sat 12/51:50 pm -
Nonstop3h 24m
Deal found 8/3![JetSMART logo]()
$80
This Kiwi.com deal was found by Cheapflights users on 8/3. 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 11/31:40 pm -
Nonstop3h 24m
Deal found 8/3![JetSMART logo]()
$81
This Kiwi.com deal was found by Cheapflights users on 8/5. 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 9/410:50 am -
Nonstop3h 20m
Deal found 8/5![Flybondi logo]()
$82
This OneTravel deal was found by Cheapflights users on 8/4. 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.
Thu 12/178:05 am -
Nonstop3h 25m
Deal found 8/4![JetSMART logo]()
$86
This OneTravel deal was found by Cheapflights users on 8/5. 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 11/49:20 am -
Nonstop3h 24m
Deal found 8/5![JetSMART logo]()
$86
This FlightHub deal was found by Cheapflights users on 8/3. 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.
Mon 8/317:15 pm -
Nonstop3h 25m
Deal found 8/3![JetSMART logo]()
$87
This LATAM Airlines deal was found by Cheapflights users on 8/3. 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 LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/47:55 am -
2 stops7h 50m
Deal found 8/3![LATAM Airlines logo]()
$87
This FlightHub deal was found by Cheapflights users on 8/4. 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 10/311:30 am -
1 stop10h 00m
Deal found 8/4![LATAM Airlines logo]()
$89
This Kiwi.com deal was found by Cheapflights users on 8/3. 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.
Sun 11/110:50 am -
Nonstop3h 20m
Deal found 8/3![Flybondi logo]()
$89
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 8, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $220 (CheapOair) |
One-way from | $79 (JetSMART) |
Popular in | February |
Cheapest in | June |
Average price | $264 |
Good round-trip deal | $238 or less |
Good one-way deal | $98 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 2,558,603 searches. Data last updated August 8, 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
Thu 12/3
9:35 am-1:00 pm
Nonstop3h 25m
Buenos Aires Jorge Newbery
Thu 12/10
10:20 am-1:15 pm
Nonstop2h 55m
$272
Quickest round-trip
Rio de JaneiroBuenos Aires
GIG Rio de Janeiro–Galeão Intl - AEP Buenos Aires Jorge Newbery
GIGAEP
Rio de Janeiro–Galeão Intl
Thu 9/3
4:50 am-8:00 am
Nonstop3h 10m
Buenos Aires Jorge Newbery
Fri 9/11
10:25 pm-1:25 am
Nonstop3h 00m
$288
Rio de JaneiroBuenos Aires
GIG Rio de Janeiro–Galeão Intl - EZE Buenos Aires Ministro Pistarini
GIGEZE
Rio de Janeiro–Galeão Intl
Fri 9/11
12:50 pm-4:15 pm
Nonstop3h 25m
Buenos Aires Ministro Pistarini
Tue 9/15
5:30 pm-8:25 pm
Nonstop2h 55m
$288
Rio de JaneiroBuenos Aires
GIG Rio de Janeiro–Galeão Intl - AEP Buenos Aires Jorge Newbery
GIGAEP
Rio de Janeiro–Galeão Intl
Thu 11/5
8:05 am-11:30 am
Nonstop3h 25m
Buenos Aires Jorge Newbery
Mon 11/9
4:17 am-7:15 am
Nonstop2h 58m
$293
Rio de JaneiroBuenos Aires
GIG Rio de Janeiro–Galeão Intl - AEP Buenos Aires Jorge Newbery
GIGAEP
Rio de Janeiro–Galeão Intl
Mon 8/24
6:05 am-9:20 am
Nonstop3h 15m
Buenos Aires Jorge Newbery
Mon 9/28
10:25 pm-1:25 am
Nonstop3h 00m
$293
Rio de JaneiroBuenos Aires
GIG Rio de Janeiro–Galeão Intl - AEP Buenos Aires Jorge Newbery
GIGAEP
Rio de Janeiro–Galeão Intl
Fri 10/2
6:05 am-9:20 am
Nonstop3h 15m
Buenos Aires Jorge Newbery
Mon 10/5
10:25 pm-1:25 am
Nonstop3h 00m
$306
Rio de JaneiroBuenos Aires
GIG Rio de Janeiro–Galeão Intl - AEP Buenos Aires Jorge Newbery
GIGAEP
Rio de Janeiro–Galeão Intl
Fri 10/30
8:05 am-11:30 am
Nonstop3h 25m
Buenos Aires Jorge Newbery
Mon 11/2
3:57 pm-6:55 pm
Nonstop2h 58m
$310
Rio de JaneiroBuenos Aires
GIG Rio de Janeiro–Galeão Intl - EZE Buenos Aires Ministro Pistarini
GIGEZE
Rio de Janeiro–Galeão Intl
Fri 10/2
12:50 pm-4:15 pm
Nonstop3h 25m
Buenos Aires Ministro Pistarini
Mon 10/5
6:30 pm-9:25 pm
Nonstop2h 55m
$317
Rio de JaneiroBuenos Aires
GIG Rio de Janeiro–Galeão Intl - AEP Buenos Aires Jorge Newbery
GIGAEP
Rio de Janeiro–Galeão Intl
Tue 10/6
8:05 am-11:30 am
Nonstop3h 25m
Buenos Aires Jorge Newbery
Sun 10/11
3:55 pm-6:50 pm
Nonstop2h 55m
$319
Rio de JaneiroBuenos Aires
GIG Rio de Janeiro–Galeão Intl - AEP Buenos Aires Jorge Newbery
GIGAEP
Rio de Janeiro–Galeão Intl
Wed 9/9
8:25 pm-11:20 am
1 stop14h 55m
Buenos Aires Jorge Newbery
Tue 9/15
3:55 pm-6:50 pm
Nonstop2h 55m
$319
Showing 1-10 of 60 resultsSorted by cheapest first
- 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-AEP
GIG-EZE
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-AEP
GIG-EZE
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 8, 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 57% 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 8, 2026.
The most flights from RIO to BUE are scheduled on a Thursday (34 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (10 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 $228 and $315 in September.The cheapest round-trip price found within the last 5 days was $220 on JetSMART (Sep 9-Sep 14).
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 130 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 6% 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 8, 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.
Boarding
7.9
Crew
8.4
Food
6.5
Entertainment
5.8
Overall
8.1
Comfort
7.6
Reviews
1 / 8
6.0
GoodJesica,Jul 2026
MIA - EZE
Boarding
7.9
Crew
8.4
Food
6.5
Entertainment
5.8
Overall
8.1
Comfort
7.6
Reviews
1 / 8
6.0
GoodJesica,Jul 2026
MIA - EZE
Boarding
7.9
Crew
8.4
Food
6.5
Entertainment
5.8
Overall
8.1
Comfort
7.6
Reviews
1 / 8
6.0
GoodJesica,Jul 2026
MIA - EZE
Boarding
7.9
Crew
8.4
Food
6.5
Entertainment
5.8
Overall
8.1
Comfort
7.6
Reviews
1 / 8
6.0
GoodJesica,Jul 2026
MIA - EZE
Boarding
7.9
Crew
8.4
Food
6.5
Entertainment
5.8
Overall
8.1
Comfort
7.6
Reviews
1 / 8
6.0
GoodJesica,Jul 2026
MIA - EZE
Boarding
7.9
Crew
8.4
Food
6.5
Entertainment
5.8
Overall
8.1
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
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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 8, 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 8, 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 8, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 3 airlines flying from Rio de Janeiro to Buenos Aires
Discover the top 3 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 2,558,603 searches. Data last updated August 8, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$71 | Average$282 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$278 | Average$281 | FlexibilityNo cancel fee | On-time59% | |
| Cheapest$290 | Average$356 | FlexibilityNo cancel fee | On-time70% |