$272+ Cheap flights from San Juan 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 4/28. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — BUE
Dec 5 — Dec 121
Round-trip
1 adult, Economy
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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
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from San Juan to Buenos Aires
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Cheapest flights from San Juan to Buenos AiresExplore the most affordable flight options available from San Juan to Buenos Aires. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 5, 2026.
Explore the most affordable flight options available from San Juan to Buenos Aires. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 5, 2026.
This United Airlines deal was found by Cheapflights users on 11/3. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/167:40 am -
1 stop22h 40m
Wed 11/2510:05 pm -
1 stop24h 19m
Deal found 11/3![United Airlines logo]()
$665
This United Airlines deal was found by Cheapflights users on 11/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/37:40 am -
1 stop22h 40m
Mon 12/711:55 pm -
1 stop22h 29m
Deal found 11/1![United Airlines logo]()
$674
This Delta deal was found by Cheapflights users on 11/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/13:35 pm -
2 stops23h 25m
Fri 12/113:50 pm -
2 stops26h 48m
Deal found 11/1![Delta logo]()
$674
This United Airlines deal was found by Cheapflights users on 11/3. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/27:40 am -
1 stop22h 40m
Mon 12/711:55 pm -
2 stops25h 41m
Deal found 11/3![United Airlines logo]()
$678
This United Airlines deal was found by Cheapflights users on 11/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/267:40 am -
1 stop22h 40m
Thu 12/311:55 pm -
1 stop17h 41m
Deal found 11/1![United Airlines logo]()
$688
This United Airlines deal was found by Cheapflights users on 11/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/188:05 am -
2 stops22h 15m
Wed 11/2510:05 pm -
1 stop19h 31m
Deal found 11/1![United Airlines logo]()
$691
This United Airlines deal was found by Cheapflights users on 11/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/17:40 am -
1 stop22h 40m
Tue 12/810:05 pm -
1 stop19h 31m
Deal found 11/1![United Airlines logo]()
$698
This United Airlines deal was found by Cheapflights users on 11/3. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/102:05 am -
2 stops30h 15m
Tue 11/1710:05 pm -
2 stops27h 31m
Deal found 11/3![United Airlines logo]()
$715
This United Airlines deal was found by Cheapflights users on 11/4. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/267:40 am -
1 stop24h 40m
Tue 12/811:55 pm -
1 stop17h 41m
Deal found 11/4![United Airlines logo]()
$724
This United Airlines deal was found by Cheapflights users on 11/4. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/267:40 am -
1 stop22h 40m
Thu 12/1010:05 pm -
2 stops27h 31m
Deal found 11/4![United Airlines logo]()
$728
This Arajet deal was found by Cheapflights users on 11/1. 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 Arajet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/64:00 pm -
1 stop12h 00m
Mon 12/711:05 pm -
1 stop11h 14m
Deal found 11/1![Arajet logo]()
$751
This Arajet deal was found by Cheapflights users on 11/1. 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 Arajet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/64:00 pm -
1 stop10h 45m
Tue 12/811:00 am -
1 stop29h 03m
Deal found 11/1![Arajet logo]()
$756
Best flights from San Juan to Buenos AiresDiscover carefully curated flight deals from San Juan to Buenos Aires that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 5, 2026.
Discover carefully curated flight deals from San Juan to Buenos Aires that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 5, 2026.
This Delta deal was found by Cheapflights users on 10/31. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/43:35 pm -
1 stop17h 05m
Sun 12/63:10 pm -
2 stops24h 10m
Deal found 10/31![Delta logo]()
$674
This Arajet deal was found by Cheapflights users on 11/4. 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 Arajet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/13:20 pm -
1 stop12h 15m
Wed 3/1011:10 pm -
1 stop16h 44m
Deal found 11/4![Arajet logo]()
$719
This United Airlines deal was found by Cheapflights users on 11/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/17:40 am -
1 stop22h 40m
Tue 12/810:05 pm -
2 stops27h 31m
Deal found 11/1![United Airlines logo]()
$728
This Copa Airlines deal was found by Cheapflights users on 10/31. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/26:13 pm -
1 stop29h 39m
Mon 12/72:45 pm -
1 stop26h 23m
Deal found 10/31![Copa Airlines logo]()
$793
This Kiwi.com deal was found by Cheapflights users on 11/4. 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.
Tue 12/1510:49 am -
1 stop15h 56m
Sat 12/263:15 pm -
2 stops24h 15m
Deal found 11/4![Multiple Airlines logo]()
$1,006
This Delta deal was found by Cheapflights users on 11/4. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/86:15 am -
2 stops26h 25m
Sun 4/117:20 am -
2 stops29h 25m
Deal found 11/4![Delta logo]()
$678
This Copa Airlines deal was found by Cheapflights users on 11/2. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/195:58 pm -
1 stop29h 30m
Wed 3/2410:53 pm -
1 stop24h 54m
Deal found 11/2![Copa Airlines logo]()
$821
This United Airlines deal was found by Cheapflights users on 11/4. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/207:35 pm -
2 stops34h 45m
Fri 12/411:55 pm -
2 stops36h 55m
Deal found 11/4![United Airlines logo]()
$851
This Delta deal was found by Cheapflights users on 11/4. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/287:00 am -
2 stops25h 40m
Wed 12/98:05 pm -
2 stops28h 08m
Deal found 11/4![Delta logo]()
$781
This Delta deal was found by Cheapflights users on 11/4. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/277:00 am -
2 stops32h 00m
Tue 12/88:05 pm -
2 stops28h 08m
Deal found 11/4![Delta logo]()
$781
This Delta deal was found by Cheapflights users on 11/4. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/254:20 pm -
1 stop16h 20m
Wed 12/97:20 am -
2 stops30h 26m
Deal found 11/4![Delta logo]()
$858
This United Airlines deal was found by Cheapflights users on 11/3. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/207:35 pm -
2 stops34h 45m
Fri 11/2710:05 pm -
2 stops27h 31m
Deal found 11/3![United Airlines logo]()
$1,235
This United Airlines deal was found by Cheapflights users on 10/31. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/257:40 am -
1 stop22h 40m
Wed 1/610:05 pm -
2 stops27h 31m
Deal found 10/31![United Airlines logo]()
$1,441
This Delta deal was found by Cheapflights users on 11/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/21:58 pm -
2 stops18h 42m
Mon 12/76:20 pm -
2 stops21h 00m
Deal found 11/3![Delta logo]()
$1,889
This Delta deal was found by Cheapflights users on 11/4. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/101:58 pm -
2 stops18h 42m
Tue 12/158:05 pm -
2 stops19h 15m
Deal found 11/4![Delta logo]()
$1,922
This Delta deal was found by Cheapflights users on 11/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/12:15 pm -
2 stops18h 25m
Wed 3/108:05 pm -
2 stops22h 15m
Deal found 11/1![Delta logo]()
$2,073
This Delta deal was found by Cheapflights users on 11/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/102:02 pm -
2 stops18h 38m
Tue 1/268:05 pm -
2 stops22h 20m
Deal found 11/3![Delta logo]()
$2,266
This Delta deal was found by Cheapflights users on 10/31. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/143:35 pm -
2 stops21h 25m
Wed 12/238:05 pm -
2 stops22h 41m
Deal found 10/31![Delta logo]()
$2,574
Last-minute flights from San Juan to Buenos AiresDiscover last-minute flight deals from San Juan to Buenos Aires. Data last updated November 5, 2026 and is based on user searches.
Discover last-minute flight deals from San Juan to Buenos Aires. Data last updated November 5, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 11/3. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/102:05 am -
2 stops30h 15m
Tue 11/1710:05 pm -
2 stops27h 31m
Deal found 11/3![United Airlines logo]()
$715
This United Airlines deal was found by Cheapflights users on 11/3. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/167:40 am -
1 stop22h 40m
Wed 11/2510:05 pm -
1 stop24h 19m
Deal found 11/3![United Airlines logo]()
$665
This United Airlines deal was found by Cheapflights users on 11/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/188:05 am -
2 stops22h 15m
Wed 11/2510:05 pm -
1 stop19h 31m
Deal found 11/1![United Airlines logo]()
$691
This United Airlines deal was found by Cheapflights users on 11/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/267:40 am -
1 stop22h 40m
Thu 12/311:55 pm -
1 stop17h 41m
Deal found 11/1![United Airlines logo]()
$688
This United Airlines deal was found by Cheapflights users on 11/4. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/267:40 am -
1 stop24h 40m
Tue 12/811:55 pm -
1 stop17h 41m
Deal found 11/4![United Airlines logo]()
$724
This United Airlines deal was found by Cheapflights users on 11/4. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/267:40 am -
1 stop22h 40m
Thu 12/1010:05 pm -
2 stops27h 31m
Deal found 11/4![United Airlines logo]()
$728
This Delta deal was found by Cheapflights users on 11/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/13:35 pm -
2 stops23h 25m
Fri 12/113:50 pm -
2 stops26h 48m
Deal found 11/1![Delta logo]()
$674
This United Airlines deal was found by Cheapflights users on 11/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/17:40 am -
1 stop22h 40m
Tue 12/810:05 pm -
1 stop19h 31m
Deal found 11/1![United Airlines logo]()
$698
This United Airlines deal was found by Cheapflights users on 11/3. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/27:40 am -
1 stop22h 40m
Mon 12/711:55 pm -
2 stops25h 41m
Deal found 11/3![United Airlines logo]()
$678
This Delta deal was found by Cheapflights users on 11/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/31:58 pm -
2 stops27h 37m
Wed 12/99:30 pm -
1 stop26h 43m
Deal found 11/1![Delta logo]()
$674
This Arajet deal was found by Cheapflights users on 11/1. 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 Arajet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/64:00 pm -
1 stop12h 00m
Mon 12/711:05 pm -
1 stop11h 14m
Deal found 11/1![Arajet logo]()
$751
This Arajet deal was found by Cheapflights users on 11/1. 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 Arajet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/64:00 pm -
1 stop10h 45m
Tue 12/811:00 am -
1 stop29h 03m
Deal found 11/1![Arajet logo]()
$756
One-way flights from San Juan to Buenos AiresSearch for one-way flight options from San Juan to Buenos Aires. Find affordable one-way fares based on user searches. Data last updated November 5, 2026.
Search for one-way flight options from San Juan to Buenos Aires. Find affordable one-way fares based on user searches. Data last updated November 5, 2026.
This Expedia deal was found by Cheapflights users on 11/1. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/284:04 pm -
1 stop16h 56m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/1![Arajet logo]()
$272
This Arajet deal was found by Cheapflights users on 11/4. 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 Arajet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/174:33 pm -
1 stop15h 59m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/4![Arajet logo]()
$303
This Arajet deal was found by Cheapflights users on 10/31. 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 Arajet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/223:20 pm -
1 stop12h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/31![Arajet logo]()
$347
This Kiwi.com deal was found by Cheapflights users on 11/3. 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.
Fri 11/276:17 pm -
2 stops33h 03m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/3![Multiple Airlines logo]()
$350
This Kiwi.com deal was found by Cheapflights users on 11/3. 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.
Fri 11/275:34 am -
2 stops22h 31m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/3![Multiple Airlines logo]()
$351
This Arajet deal was found by Cheapflights users on 11/2. 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 Arajet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/154:00 pm -
1 stop32h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![Arajet logo]()
$353
This Kiwi.com deal was found by Cheapflights users on 10/31. 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 11/285:34 am -
2 stops21h 46m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/31![Multiple Airlines logo]()
$359
This Kiwi.com deal was found by Cheapflights users on 11/4. 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.
Sat 11/144:52 pm -
2 stops35h 08m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/4![Multiple Airlines logo]()
$371
This Arajet deal was found by Cheapflights users on 10/31. 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 Arajet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/164:00 pm -
1 stop32h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/31![Arajet logo]()
$378
This Arajet deal was found by Cheapflights users on 10/31. 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 Arajet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/184:24 pm -
1 stop10h 21m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/31![Arajet logo]()
$379
This Kiwi.com deal was found by Cheapflights users on 10/31. 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 11/286:17 pm -
2 stops30h 03m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/31![Multiple Airlines logo]()
$381
This Kiwi.com deal was found by Cheapflights users on 11/4. 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.
Sat 11/1412:05 pm -
2 stops18h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/4![Multiple Airlines logo]()
$381
Find flight deals from San Juan to Buenos Aires
Discover tips and strategies to find the most affordable flight options for your journey from San Juan (PR1) 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 November 5, 2026.
Round-trip from | $663 (FlightHub) |
|---|---|
One-way from | $272 (Expedia) |
Popular in | January |
Cheapest in | September |
Average price | $714 |
Cheapflights Fare Finder
Customize your flight search to find flights from San Juan 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 November 5, 2026.
Use the filters below to find and compare flights from San Juan to Buenos Aires that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
San JuanBuenos Aires
SJU San Juan Luis Munoz Marin Intl - EZE Buenos Aires Ministro Pistarini
SJUEZE
San Juan Luis Munoz Marin Intl
Wed 3/17
4:33 pm-9:32 am
1 stop15h 59m
Buenos Aires Ministro Pistarini
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$303
San JuanBuenos Aires
SJU San Juan Luis Munoz Marin Intl - EZE Buenos Aires Ministro Pistarini
SJUEZE
San Juan Luis Munoz Marin Intl
Sat 11/14
4:52 pm-5:00 am
2 stops35h 08m
Buenos Aires Ministro Pistarini
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$371
San JuanBuenos Aires
SJU San Juan Luis Munoz Marin Intl - EZE Buenos Aires Ministro Pistarini
SJUEZE
San Juan Luis Munoz Marin Intl
Tue 3/16
4:00 pm-1:45 am
1 stop32h 45m
Buenos Aires Ministro Pistarini
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$378
San JuanBuenos Aires
SJU San Juan Luis Munoz Marin Intl - AEP Buenos Aires Jorge Newbery
SJUAEP
San Juan Luis Munoz Marin Intl
Thu 11/26
5:19 am-7:30 am
3 stops49h 11m
Buenos Aires Jorge Newbery
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$391
San JuanBuenos Aires
SJU San Juan Luis Munoz Marin Intl - EZE Buenos Aires Ministro Pistarini
SJUEZE
San Juan Luis Munoz Marin Intl
Thu 11/26
4:24 pm-4:20 am
1 stop10h 56m
Buenos Aires Ministro Pistarini
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$391
San JuanBuenos Aires
SJU San Juan Luis Munoz Marin Intl - AEP Buenos Aires Jorge Newbery
SJUAEP
San Juan Luis Munoz Marin Intl
Wed 4/28
4:04 pm-2:30 pm
2 stops21h 26m
Buenos Aires Jorge Newbery
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$426
San JuanBuenos Aires
SJU San Juan Luis Munoz Marin Intl - EZE Buenos Aires Ministro Pistarini
SJUEZE
San Juan Luis Munoz Marin Intl
Wed 1/27
2:05 am-9:20 am
2 stops30h 15m
Buenos Aires Ministro Pistarini
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$427
San JuanBuenos Aires
SJU San Juan Luis Munoz Marin Intl - EZE Buenos Aires Ministro Pistarini
SJUEZE
San Juan Luis Munoz Marin Intl
Fri 11/27
3:28 pm-3:10 am
1 stop10h 42m
Buenos Aires Ministro Pistarini
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$428
San JuanBuenos Aires
SJU San Juan Luis Munoz Marin Intl - AEP Buenos Aires Jorge Newbery
SJUAEP
San Juan Luis Munoz Marin Intl
Tue 11/10
4:20 pm-7:40 am
2 stops38h 20m
Buenos Aires Jorge Newbery
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$437
San JuanBuenos Aires
SJU San Juan Luis Munoz Marin Intl - AEP Buenos Aires Jorge Newbery
SJUAEP
San Juan Luis Munoz Marin Intl
Mon 3/22
6:15 am-4:00 pm
2 stops32h 45m
Buenos Aires Jorge Newbery
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$437
Showing 1-10 of 32 resultsSorted by cheapest first
Best time to book a flight from San Juan to Buenos Aires
Have a flexible travel schedule? Discover the best time to fly to Buenos Aires from San Juan with our price prediction graph.
PR1-BUE
SJU-EZE
SJU-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 San Juan to Buenos Aires
PR1-BUE
SJU-EZE
SJU-AEP
What is the cheapest month to book a flight from San Juan to Buenos Aires?
Currently, September is the cheapest month in which you can book a flight from San Juan to Buenos Aires (average of $580). Flying from San Juan to Buenos Aires in January is currently the most expensive (average of $941). 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.
How much does it cost to fly round-trip from San Juan to Buenos Aires?
Airfare is typical for this route at the moment.
San Juan to Buenos Aires flights typically cost between $623 and $769 in March.The cheapest round-trip price found within the last 5 days was $663 on Arajet (Mar 17-Apr 3).
How far ahead should I book a flight from San Juan to Buenos Aires?
To ensure you get the cheapest price possible for a flight from San Juan to Buenos Aires, you should look to book at least 23 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
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 November 5, 2026.
Peruse reviews from past customers who have flown with Delta,Copa Airlines, andAmerican Airlines from San Juan to Buenos Aires to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Overall
7.8
Entertainment
7.8
Boarding
8.1
Crew
8.5
Comfort
7.8
Food
7.2
Reviews
1 / 20
10.0
ExcellentF.DAVID,Sep 2023
CDG - ATL
Overall
7.8
Entertainment
7.8
Boarding
8.1
Crew
8.5
Comfort
7.8
Food
7.2
Reviews
1 / 20
10.0
ExcellentF.DAVID,Sep 2023
CDG - ATL
Overall
7.8
Entertainment
7.8
Boarding
8.1
Crew
8.5
Comfort
7.8
Food
7.2
Reviews
1 / 20
10.0
ExcellentF.DAVID,Sep 2023
CDG - ATL
Overall
7.8
Entertainment
7.8
Boarding
8.1
Crew
8.5
Comfort
7.8
Food
7.2
Reviews
1 / 20
10.0
ExcellentF.DAVID,Sep 2023
CDG - ATL
Overall
7.8
Entertainment
7.8
Boarding
8.1
Crew
8.5
Comfort
7.8
Food
7.2
Reviews
1 / 20
10.0
ExcellentF.DAVID,Sep 2023
CDG - ATL
Related info for your journey
Find useful and relevant information for your journey from San Juan to Buenos Aires. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for San Juan 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 November 5, 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 San Juan to Buenos Aires by cabin class
Find flights from San Juan to Buenos Aires, based on your preferred cabin class, be it economy, premium economy, business, or first class.
San Juan and Buenos Aires flights
Browse other San Juan and Buenos Aires flight options. Last updated on November 5, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 4 airlines flying from San Juan to Buenos Aires
Discover the top 4 airlines that operate flights from San Juan 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 November 5, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$399 | Average$628 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$574 | Average$779 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$599 | Average$855 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$602 | Average$972 | FlexibilityNo cancel fee | On-time71% |