$97+ Cheap flights from Rio de Janeiro, Brazil (RIO) to Buenos Aires (BUE)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/16. Fares are subject to change and may not be available on all flights or dates of travel.
RIO — BUE
Nov 8 — Nov 151
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 Tuesday or Thursday and return on a Monday
Cheap flight deals from Rio de Janeiro to Buenos Aires
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Best
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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 October 9, 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 October 9, 2026.
This CheapOair deal was found by Cheapflights users on 10/5. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/218:05 am -
Nonstop3h 25m
Thu 11/263:57 pm -
Nonstop2h 58m
Deal found 10/5![JetSMART logo]()
$238
This FlightHub deal was found by Cheapflights users on 10/5. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/1110:20 am -
Nonstop3h 24m
Sun 12/1312:57 pm -
Nonstop2h 58m
Deal found 10/5![JetSMART logo]()
$238
This JetSMART deal was found by Cheapflights users on 10/6. 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 JetSMART is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/58:05 am -
Nonstop3h 25m
Thu 11/123:57 pm -
Nonstop2h 58m
Deal found 10/6![JetSMART logo]()
$245
This JetSMART deal was found by Cheapflights users on 10/6. 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 JetSMART is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/49:20 am -
Nonstop3h 24m
Tue 11/1012:57 pm -
Nonstop2h 58m
Deal found 10/6![JetSMART logo]()
$245
This Kiwi.com deal was found by Cheapflights users on 10/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/68:05 am -
Nonstop3h 25m
Sun 12/133:17 pm -
Nonstop2h 58m
Deal found 10/7![JetSMART logo]()
$247
This Booking.com deal was found by Cheapflights users on 10/7. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/610:20 am -
Nonstop3h 24m
Sun 12/1312:57 pm -
Nonstop2h 58m
Deal found 10/7![JetSMART logo]()
$248
This JetSMART deal was found by Cheapflights users on 10/9. 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 pm -
Nonstop3h 25m
Fri 11/133:17 pm -
Nonstop2h 58m
Deal found 10/9![JetSMART logo]()
$249
This JetSMART deal was found by Cheapflights users on 10/9. 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 12/1110:20 am -
Nonstop3h 24m
Thu 12/176:32 am -
Nonstop2h 58m
Deal found 10/9![JetSMART logo]()
$249
This JetSMART deal was found by Cheapflights users on 10/9. 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
Tue 11/103:57 pm -
Nonstop2h 58m
Deal found 10/9![JetSMART logo]()
$250
This JetSMART deal was found by Cheapflights users on 10/8. 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 JetSMART is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/49:20 am -
Nonstop3h 24m
Wed 11/115:32 am -
Nonstop2h 58m
Deal found 10/8![JetSMART logo]()
$250
This JetSMART deal was found by Cheapflights users on 10/5. 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 JetSMART is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/61:40 pm -
Nonstop3h 24m
Sat 12/1212:52 pm -
Nonstop2h 58m
Deal found 10/5![JetSMART logo]()
$251
This FlightHub deal was found by Cheapflights users on 10/8. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/68:05 am -
Nonstop3h 25m
Fri 11/133:17 pm -
Nonstop2h 58m
Deal found 10/8![JetSMART logo]()
$253
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 October 9, 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 October 9, 2026.
This JetSMART deal was found by Cheapflights users on 10/5. 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 JetSMART is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/48:05 am -
Nonstop3h 25m
Tue 11/104:17 am -
Nonstop2h 58m
Deal found 10/5![JetSMART logo]()
$292
This British Airways deal was found by Cheapflights users on 10/5. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/118:25 am -
Nonstop3h 20m
Mon 3/151:35 pm -
Nonstop2h 55m
Deal found 10/5![British Airways logo]()
$313
This Emirates deal was found by Cheapflights users on 10/9. 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 Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/195:45 pm -
Nonstop3h 25m
Mon 11/2311:00 pm -
Nonstop2h 45m
Deal found 10/9![Emirates logo]()
$374
This GOL deal was found by Cheapflights users on 10/4. 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.
Tue 12/112:05 pm -
1 stop24h 55m
Sat 12/53:30 am -
1 stop8h 55m
Deal found 10/4![GOL logo]()
$526
This JetSMART deal was found by Cheapflights users on 10/9. 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 11/207:05 pm -
1 stop22h 55m
Mon 11/233:17 pm -
Nonstop2h 58m
Deal found 10/9![JetSMART logo]()
$312
This British Airways deal was found by Cheapflights users on 10/5. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/38:25 am -
Nonstop3h 20m
Thu 12/101:35 pm -
Nonstop2h 55m
Deal found 10/5![British Airways logo]()
$350
This JetSMART deal was found by Cheapflights users on 10/9. 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 11/198:05 pm -
Nonstop3h 25m
Mon 11/233:57 pm -
Nonstop2h 58m
Deal found 10/9![JetSMART logo]()
$327
This British Airways deal was found by Cheapflights users on 10/6. 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.
Mon 12/78:25 am -
Nonstop3h 20m
Tue 12/221:35 pm -
Nonstop2h 55m
Deal found 10/6![British Airways logo]()
$351
This British Airways deal was found by Cheapflights users on 10/6. 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.
Sat 11/148:25 am -
Nonstop3h 20m
Mon 11/161:35 pm -
Nonstop2h 55m
Deal found 10/6![British Airways logo]()
$359
This JetSMART deal was found by Cheapflights users on 10/7. 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 12/158:05 am -
Nonstop3h 25m
Thu 12/247:00 am -
1 stop5h 45m
Deal found 10/7![JetSMART logo]()
$390
This British Airways deal was found by Cheapflights users on 10/9. 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.
Tue 12/18:25 am -
Nonstop3h 20m
Sat 12/51:35 pm -
Nonstop2h 55m
Deal found 10/9![British Airways logo]()
$370
This JetSMART deal was found by Cheapflights users on 10/5. 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 JetSMART is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/198:05 am -
Nonstop3h 25m
Tue 1/510:30 am -
Nonstop3h 05m
Deal found 10/5![JetSMART logo]()
$399
This GOL deal was found by Cheapflights users on 10/5. 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.
Wed 3/106:00 am -
1 stop7h 00m
Tue 3/163:30 am -
1 stop9h 00m
Deal found 10/5![GOL logo]()
$533
This JetSMART deal was found by Cheapflights users on 10/7. 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.
Fri 2/51:50 pm -
Nonstop3h 24m
Mon 2/812:52 pm -
Nonstop2h 58m
Deal found 10/7![JetSMART logo]()
$400
This GOL deal was found by Cheapflights users on 10/4. 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.
Tue 11/38:45 pm -
1 stop16h 15m
Sat 11/73:30 am -
1 stop10h 40m
Deal found 10/4![GOL logo]()
$536
This British Airways deal was found by Cheapflights users on 10/9. 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 2/38:25 am -
Nonstop3h 20m
Thu 2/111:35 pm -
Nonstop2h 55m
Deal found 10/9![British Airways logo]()
$406
This GOL deal was found by Cheapflights users on 10/7. 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.
Fri 1/296:00 am -
1 stop7h 00m
Sat 1/303:30 am -
1 stop8h 55m
Deal found 10/7![GOL logo]()
$540
This JetSMART deal was found by Cheapflights users on 10/9. 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 1/58:05 am -
Nonstop3h 25m
Tue 1/1210:30 am -
Nonstop3h 05m
Deal found 10/9![JetSMART logo]()
$407
This British Airways deal was found by Cheapflights users on 10/9. 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 1/218:25 am -
Nonstop3h 20m
Sun 1/241:35 pm -
Nonstop2h 55m
Deal found 10/9![British Airways logo]()
$409
This GOL deal was found by Cheapflights users on 10/5. 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.
Thu 2/45:40 pm -
1 stop19h 20m
Sat 2/133:30 am -
1 stop8h 55m
Deal found 10/5![GOL logo]()
$545
This British Airways deal was found by Cheapflights users on 10/8. 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.
Wed 1/68:25 am -
Nonstop3h 20m
Mon 1/111:35 pm -
Nonstop2h 55m
Deal found 10/8![British Airways logo]()
$414
This JetSMART deal was found by Cheapflights users on 10/8. 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 JetSMART is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1110:45 am -
1 stop10h 35m
Mon 11/166:00 am -
1 stop5h 05m
Deal found 10/8![JetSMART logo]()
$423
This GOL deal was found by Cheapflights users on 10/5. 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.
Mon 10/266:00 am -
1 stop7h 00m
Sun 11/13:30 am -
1 stop6h 55m
Deal found 10/5![GOL logo]()
$552
This British Airways deal was found by Cheapflights users on 10/5. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/288:25 am -
Nonstop3h 20m
Wed 3/31:35 pm -
Nonstop2h 55m
Deal found 10/5![British Airways logo]()
$417
This JetSMART deal was found by Cheapflights users on 10/8. 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 JetSMART is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/79:50 am -
1 stop13h 29m
Sat 1/2310:50 pm -
1 stop10h 10m
Deal found 10/8![JetSMART logo]()
$456
This GOL deal was found by Cheapflights users on 10/8. 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.
Tue 12/2210:45 am -
1 stop26h 15m
Thu 12/243:30 am -
1 stop8h 55m
Deal found 10/8![GOL logo]()
$556
This JetSMART deal was found by Cheapflights users on 10/6. 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 JetSMART is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/318:05 am -
Nonstop3h 25m
Sun 1/37:20 pm -
2 stops17h 15m
Deal found 10/6![JetSMART logo]()
$460
This JetSMART deal was found by Cheapflights users on 10/9. 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 11/264:45 pm -
1 stop7h 45m
Wed 12/27:00 am -
1 stop5h 45m
Deal found 10/9![JetSMART logo]()
$475
Last-minute flights from Rio de Janeiro to Buenos AiresDiscover last-minute flight deals from Rio de Janeiro to Buenos Aires. Data last updated October 9, 2026 and is based on user searches.
Discover last-minute flight deals from Rio de Janeiro to Buenos Aires. Data last updated October 9, 2026 and is based on user searches.
This JetSMART deal was found by Cheapflights users on 10/6. 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 JetSMART is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/49:20 am -
Nonstop3h 24m
Tue 11/1012:57 pm -
Nonstop2h 58m
Deal found 10/6![JetSMART logo]()
$245
This JetSMART deal was found by Cheapflights users on 10/9. 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 11/49:20 am -
Nonstop3h 24m
Wed 11/115:32 am -
Nonstop2h 58m
Deal found 10/9![JetSMART logo]()
$249
This JetSMART deal was found by Cheapflights users on 10/6. 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 JetSMART is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/48:05 am -
Nonstop3h 25m
Mon 11/93:57 pm -
Nonstop2h 58m
Deal found 10/6![JetSMART logo]()
$255
This JetSMART deal was found by Cheapflights users on 10/6. 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 JetSMART is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/49:20 am -
Nonstop3h 24m
Thu 11/1212:57 pm -
Nonstop2h 58m
Deal found 10/6![JetSMART logo]()
$255
This Booking.com deal was found by Cheapflights users on 10/5. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/48:05 am -
Nonstop3h 25m
Thu 11/55:50 am -
1 stop27h 10m
Deal found 10/5![JetSMART logo]()
$256
This JetSMART deal was found by Cheapflights users on 10/8. 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 JetSMART is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/48:05 am -
Nonstop3h 25m
Thu 11/123:57 pm -
Nonstop2h 58m
Deal found 10/8![JetSMART logo]()
$260
This JetSMART deal was found by Cheapflights users on 10/6. 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 JetSMART is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/58:05 am -
Nonstop3h 25m
Thu 11/123:57 pm -
Nonstop2h 58m
Deal found 10/6![JetSMART logo]()
$245
This JetSMART deal was found by Cheapflights users on 10/9. 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 pm -
Nonstop3h 25m
Fri 11/133:17 pm -
Nonstop2h 58m
Deal found 10/9![JetSMART logo]()
$249
This JetSMART deal was found by Cheapflights users on 10/9. 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
Tue 11/103:57 pm -
Nonstop2h 58m
Deal found 10/9![JetSMART logo]()
$250
This FlightHub deal was found by Cheapflights users on 10/8. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/68:05 am -
Nonstop3h 25m
Fri 11/133:17 pm -
Nonstop2h 58m
Deal found 10/8![JetSMART logo]()
$253
This JetSMART deal was found by Cheapflights users on 10/7. 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.
Fri 11/138:05 am -
Nonstop3h 25m
Mon 11/163:57 pm -
Nonstop2h 58m
Deal found 10/7![JetSMART logo]()
$259
This CheapOair deal was found by Cheapflights users on 10/5. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/218:05 am -
Nonstop3h 25m
Thu 11/263:57 pm -
Nonstop2h 58m
Deal found 10/5![JetSMART logo]()
$238
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 October 9, 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 October 9, 2026.
This CheapOair deal was found by Cheapflights users on 10/4. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/161:40 pm -
Nonstop3h 24m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/4![JetSMART logo]()
$97
This CheapOair deal was found by Cheapflights users on 10/5. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/2511:55 am -
Nonstop3h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/5![JetSMART logo]()
$98
This Kiwi.com deal was found by Cheapflights users on 10/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/101:40 pm -
Nonstop3h 24m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/8![JetSMART logo]()
$98
This CheapOair deal was found by Cheapflights users on 10/7. 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.
Thu 12/178:05 pm -
Nonstop3h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/7![JetSMART logo]()
$99
This Kiwi.com deal was found by Cheapflights users on 10/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/71:40 pm -
Nonstop3h 24m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/7![JetSMART logo]()
$99
This CheapOair deal was found by Cheapflights users on 10/8. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/168:05 am -
Nonstop3h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/8![JetSMART logo]()
$100
This CheapOair deal was found by Cheapflights users on 10/6. 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 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 12/3112:00 am -
Nonstop0h 00m
Deal found 10/6![JetSMART logo]()
$100
This FlightHub deal was found by Cheapflights users on 10/9. 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.
Fri 12/1811:55 am -
Nonstop3h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/9![JetSMART logo]()
$101
This FlightHub deal was found by Cheapflights users on 10/7. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/51:40 pm -
Nonstop3h 24m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/7![JetSMART logo]()
$101
This JetSMART deal was found by Cheapflights users on 10/6. 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 JetSMART is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/18:05 am -
Nonstop3h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/6![JetSMART logo]()
$102
This Kiwi.com deal was found by Cheapflights users on 10/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1710:20 am -
Nonstop3h 24m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/7![JetSMART logo]()
$102
This Kiwi.com deal was found by Cheapflights users on 10/5. 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 11/106:45 pm -
1 stop16h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/5![JetSMART logo]()
$103
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 October 9, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $238 (CheapOair) |
One-way from | $97 (CheapOair) |
Popular in | February |
Cheapest in | June |
Average price | $301 |
Good round-trip deal | $249 or less |
Good one-way deal | $120 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 October 9, 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 - EZE Buenos Aires Ministro Pistarini
GIGEZE
Rio de Janeiro–Galeão Intl
Wed 12/16
1:40 pm-5:04 pm
Nonstop3h 24m
Buenos Aires Ministro Pistarini
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$97
Rio de JaneiroBuenos Aires
GIG Rio de Janeiro–Galeão Intl - AEP Buenos Aires Jorge Newbery
GIGAEP
Rio de Janeiro–Galeão Intl
Thu 4/1
3:00 pm-6:20 pm
Nonstop3h 20m
Buenos Aires Jorge Newbery
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$127
Rio de JaneiroBuenos Aires
SDU Rio de Janeiro Santos Dumont - AEP Buenos Aires Jorge Newbery
SDUAEP
Rio de Janeiro Santos Dumont
Wed 12/16
6:15 am-6:30 pm
1 stop12h 15m
Buenos Aires Jorge Newbery
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$132
Rio de JaneiroBuenos Aires
GIG Rio de Janeiro–Galeão Intl - AEP Buenos Aires Jorge Newbery
GIGAEP
Rio de Janeiro–Galeão Intl
Wed 10/28
6:55 pm-11:00 am
1 stop16h 05m
Buenos Aires Jorge Newbery
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$133
Rio de JaneiroBuenos Aires
GIG Rio de Janeiro–Galeão Intl - EZE Buenos Aires Ministro Pistarini
GIGEZE
Rio de Janeiro–Galeão Intl
Wed 12/16
9:10 am-1:55 pm
1 stop4h 45m
Buenos Aires Ministro Pistarini
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$135
Rio de JaneiroBuenos Aires
GIG Rio de Janeiro–Galeão Intl - AEP Buenos Aires Jorge Newbery
GIGAEP
Rio de Janeiro–Galeão Intl
Mon 11/30
7:35 am-2:00 pm
1 stop6h 25m
Buenos Aires Jorge Newbery
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$141
Rio de JaneiroBuenos Aires
GIG Rio de Janeiro–Galeão Intl - AEP Buenos Aires Jorge Newbery
GIGAEP
Rio de Janeiro–Galeão Intl
Fri 11/13
7:05 pm-6:00 pm
1 stop22h 55m
Buenos Aires Jorge Newbery
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$147
Rio de JaneiroBuenos Aires
SDU Rio de Janeiro Santos Dumont - AEP Buenos Aires Jorge Newbery
SDUAEP
Rio de Janeiro Santos Dumont
Mon 3/8
10:10 am-8:00 pm
1 stop9h 50m
Buenos Aires Jorge Newbery
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$147
Rio de JaneiroBuenos Aires
GIG Rio de Janeiro–Galeão Intl - AEP Buenos Aires Jorge Newbery
GIGAEP
Rio de Janeiro–Galeão Intl
Thu 2/11
3:00 pm-6:20 pm
Nonstop3h 20m
Buenos Aires Jorge Newbery
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$149
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 11/12
6:00 am-9:20 am
Nonstop3h 20m
Buenos Aires Jorge Newbery
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$153
Showing 1-10 of 58 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 October.
| 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
SDU-AEP
GIG-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
SDU-AEP
GIG-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 $243). Flying from Rio de Janeiro to Buenos Aires in February is currently the most expensive (average of $340). 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 October 9, 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 49% 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 October 9, 2026.
The most flights from RIO to BUE are scheduled on a Thursday (35 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (13 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 $248 and $371 in November.The cheapest round-trip price found within the last 5 days was $238 on JetSMART (Nov 21-Nov 26).
How often are flights from Rio de Janeiro to Buenos Aires delayed?
About 15% of weekly flights between Rio de Janeiro and Buenos Aires have experienced delays in the past year, with the average delay time being 127 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 Saturday 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 46 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 October 9, 2026.
Read through reviews of airlines operating flights from Rio de Janeiro to Buenos Aires, such as Emirates,GOL, andJetSMART. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
8.2
Food
7.9
Comfort
8.1
Crew
8.4
Overall
8.1
Boarding
8.2
Reviews
1 / 20
10.0
ExcellentSteven,May 2026
MNL - DXB
Entertainment
8.2
Food
7.9
Comfort
8.1
Crew
8.4
Overall
8.1
Boarding
8.2
Reviews
1 / 20
10.0
ExcellentSteven,May 2026
MNL - DXB
Entertainment
8.2
Food
7.9
Comfort
8.1
Crew
8.4
Overall
8.1
Boarding
8.2
Reviews
1 / 20
10.0
ExcellentSteven,May 2026
MNL - DXB
Entertainment
8.2
Food
7.9
Comfort
8.1
Crew
8.4
Overall
8.1
Boarding
8.2
Reviews
1 / 20
10.0
ExcellentSteven,May 2026
MNL - DXB
Entertainment
8.2
Food
7.9
Comfort
8.1
Crew
8.4
Overall
8.1
Boarding
8.2
Reviews
1 / 20
10.0
ExcellentSteven,May 2026
MNL - DXB
Entertainment
8.2
Food
7.9
Comfort
8.1
Crew
8.4
Overall
8.1
Boarding
8.2
Reviews
1 / 20
10.0
ExcellentSteven,May 2026
MNL - DXB
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
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Complete your trip
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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 October 9, 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 October 9, 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 October 9, 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 7,457,451 searches. Data last updated October 9, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$86 | Average$310 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$155 | Average$286 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$290 | Average$356 | FlexibilityNo cancel fee | On-time70% |