$193+ Cheap flights from San Juan 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 8/25. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — BUE
Sep 7 — Sep 141
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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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 August 8, 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 August 8, 2026.
This Orbitz 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/24:04 pm -
1 stop13h 41m
Sat 9/196:35 am -
1 stop11h 04m
Deal found 8/5![Arajet logo]()
$474
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/235:50 pm -
1 stop14h 26m
Sat 10/316:35 am -
1 stop11h 04m
Deal found 8/4![Arajet logo]()
$513
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/94:04 pm -
1 stop13h 41m
Sat 9/196:35 am -
1 stop11h 04m
Deal found 8/4![Arajet logo]()
$529
This Booking.com 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/25:50 pm -
1 stop11h 55m
Fri 10/164:45 am -
1 stop12h 35m
Deal found 8/6![Arajet logo]()
$567
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 8/254:30 pm -
1 stop10h 15m
Wed 9/94:00 am -
1 stop11h 34m
Deal found 8/3![Arajet logo]()
$568
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.
Wed 9/234:04 pm -
1 stop13h 41m
Wed 10/74:45 am -
1 stop10h 49m
Deal found 8/3![Arajet logo]()
$570
This Arajet 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 Arajet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/214:04 pm -
1 stop13h 41m
Mon 11/29:15 pm -
1 stop11h 45m
Deal found 8/3![Arajet logo]()
$577
This Arajet 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 Arajet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/214:04 pm -
1 stop13h 41m
Sat 11/77:45 am -
1 stop12h 35m
Deal found 8/3![Arajet logo]()
$580
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.
Fri 10/235:50 pm -
1 stop11h 55m
Mon 11/29:15 pm -
1 stop11h 45m
Deal found 8/3![Arajet logo]()
$582
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/94:04 pm -
1 stop13h 41m
Wed 9/234:45 am -
1 stop10h 49m
Deal found 8/4![Arajet logo]()
$583
This Arajet 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 Arajet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/235:50 pm -
1 stop11h 55m
Sat 11/77:45 am -
1 stop12h 35m
Deal found 8/3![Arajet logo]()
$586
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/154:30 pm -
2 stops17h 50m
Tue 9/226:00 am -
3 stops33h 34m
Deal found 8/3![Multiple Airlines logo]()
$647
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 August 8, 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 August 8, 2026.
This Arajet 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 Arajet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/234:04 pm -
1 stop13h 41m
Tue 10/139:15 am -
1 stop30h 19m
Deal found 8/3![Arajet logo]()
$613
This Copa 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/85:33 am -
1 stop22h 03m
Wed 10/213:48 am -
1 stop13h 26m
Deal found 8/4![Copa Airlines logo]()
$767
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/215:59 pm -
2 stops36h 41m
Mon 11/28:05 pm -
2 stops43h 44m
Deal found 8/3![Delta logo]()
$779
This Arajet 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 Arajet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/23:20 pm -
1 stop11h 03m
Sat 11/149:15 pm -
1 stop18h 15m
Deal found 8/4![Arajet logo]()
$617
This Copa 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/165:34 am -
1 stop19h 19m
Tue 12/12:04 am -
1 stop15h 04m
Deal found 8/5![Copa Airlines logo]()
$767
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/272:59 pm -
2 stops39h 41m
Fri 11/65:35 pm -
2 stops25h 13m
Deal found 8/3![Delta logo]()
$779
This Copa 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/245:33 am -
1 stop22h 03m
Sun 9/273:48 am -
1 stop13h 26m
Deal found 8/4![Copa Airlines logo]()
$767
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1712:56 pm -
2 stops19h 44m
Tue 9/228:10 pm -
1 stop21h 39m
Deal found 8/7![Delta logo]()
$784
This Copa 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/215:33 am -
1 stop19h 57m
Thu 10/82:49 pm -
1 stop26h 25m
Deal found 8/7![Copa Airlines logo]()
$767
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/142:59 pm -
1 stop17h 46m
Mon 9/211:10 pm -
2 stops25h 35m
Deal found 8/6![Delta logo]()
$784
This Copa 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/265:32 am -
1 stop17h 11m
Tue 11/34:02 am -
1 stop13h 07m
Deal found 8/7![Copa Airlines logo]()
$767
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/282:59 pm -
2 stops17h 41m
Mon 10/51:10 pm -
2 stops25h 39m
Deal found 8/4![Delta logo]()
$784
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/112:56 pm -
2 stops19h 44m
Wed 9/166:20 pm -
2 stops23h 29m
Deal found 8/4![Delta logo]()
$1,497
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/112:56 pm -
2 stops19h 44m
Sat 9/266:20 pm -
2 stops23h 29m
Deal found 8/3![Delta logo]()
$1,497
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/143:35 pm -
2 stops26h 05m
Wed 12/305:35 pm -
2 stops30h 45m
Deal found 8/6![Delta logo]()
$1,751
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/1412:56 pm -
2 stops19h 44m
Mon 9/2112:55 pm -
2 stops25h 50m
Deal found 8/5![Delta logo]()
$3,626
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/103:35 pm -
2 stops21h 25m
Tue 12/156:20 pm -
2 stops21h 00m
Deal found 8/3![Delta logo]()
$3,803
Last-minute flights from San Juan to Buenos AiresDiscover last-minute flight deals from San Juan to Buenos Aires. Data last updated August 8, 2026 and is based on user searches.
Discover last-minute flight deals from San Juan to Buenos Aires. Data last updated August 8, 2026 and is based on user searches.
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 8/254:30 pm -
1 stop10h 15m
Wed 9/94:00 am -
1 stop11h 34m
Deal found 8/3![Arajet logo]()
$568
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.
Tue 8/254:30 pm -
1 stop10h 15m
Tue 9/12:20 pm -
2 stops25h 14m
Deal found 8/4![Multiple Airlines logo]()
$588
This Booking.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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/254:30 pm -
1 stop10h 15m
Tue 9/19:15 am -
1 stop30h 19m
Deal found 8/4![Arajet logo]()
$600
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/14:30 pm -
2 stops15h 00m
Mon 9/79:35 am -
3 stops30h 25m
Deal found 8/6![Multiple Airlines logo]()
$678
This Orbitz 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/24:04 pm -
1 stop13h 41m
Sat 9/196:35 am -
1 stop11h 04m
Deal found 8/5![Arajet logo]()
$474
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/94:04 pm -
1 stop13h 41m
Sat 9/196:35 am -
1 stop11h 04m
Deal found 8/4![Arajet logo]()
$529
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/94:04 pm -
1 stop13h 41m
Wed 9/234:45 am -
1 stop10h 49m
Deal found 8/4![Arajet logo]()
$583
This Travelocity 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/94:04 pm -
1 stop13h 41m
Wed 9/164:00 am -
1 stop11h 34m
Deal found 8/3![Arajet logo]()
$604
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.
Tue 9/154:30 pm -
1 stop10h 15m
Tue 9/229:15 am -
1 stop30h 19m
Deal found 8/3![Arajet logo]()
$594
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/154:30 pm -
2 stops17h 50m
Tue 9/226:00 am -
3 stops33h 34m
Deal found 8/3![Multiple Airlines logo]()
$647
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.
Wed 9/234:04 pm -
1 stop13h 41m
Wed 10/74:45 am -
1 stop10h 49m
Deal found 8/3![Arajet logo]()
$570
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 9/304:04 pm -
1 stop13h 41m
Wed 10/144:45 am -
1 stop10h 49m
Deal found 8/3![Arajet logo]()
$580
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 August 8, 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 August 8, 2026.
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/254:30 pm -
1 stop10h 15m
Deal found 8/7![Arajet logo]()
$193
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/164:00 pm -
2 stops26h 05m
Deal found 8/6![Multiple Airlines logo]()
$229
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/214:04 pm -
1 stop13h 41m
Deal found 8/6![Arajet logo]()
$233
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/14:30 pm -
1 stop10h 15m
Deal found 8/5![Arajet logo]()
$236
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/234:00 pm -
2 stops26h 05m
Deal found 8/6![Multiple Airlines logo]()
$242
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/306:09 pm -
3 stops32h 51m
Deal found 8/7![Multiple Airlines logo]()
$246
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/24:04 pm -
1 stop13h 41m
Deal found 8/7![Arajet logo]()
$248
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/306:09 pm -
2 stops33h 11m
Deal found 8/6![Multiple Airlines logo]()
$257
This Arajet 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 Arajet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/19:30 am -
1 stop17h 15m
Deal found 8/5![Arajet logo]()
$266
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/264:04 pm -
1 stop13h 41m
Deal found 8/7![Arajet logo]()
$268
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 12/304:28 pm -
2 stops17h 32m
Deal found 8/4![Multiple Airlines logo]()
$276
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.
Sun 12/64:00 pm -
2 stops18h 00m
Deal found 8/5![Multiple Airlines logo]()
$277
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 August 8, 2026.
Round-trip from | $474 (Orbitz) |
|---|---|
One-way from | $193 (Kiwi.com) |
Popular in | February |
Cheapest in | May |
Average price | $673 |
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 2,558,603 searches. Data last updated August 8, 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 9/23
4:04 pm-6:45 am
1 stop13h 41m
Buenos Aires Ministro Pistarini
Tue 10/13
9:15 am-2:34 pm
1 stop30h 19m
$613
Quickest round-trip
San JuanBuenos Aires
SJU San Juan Luis Munoz Marin Intl - EZE Buenos Aires Ministro Pistarini
SJUEZE
San Juan Luis Munoz Marin Intl
Mon 11/2
3:20 pm-3:23 am
1 stop11h 03m
Buenos Aires Ministro Pistarini
Sat 11/14
9:15 pm-2:30 pm
1 stop18h 15m
$617
San JuanBuenos Aires
SJU San Juan Luis Munoz Marin Intl - EZE Buenos Aires Ministro Pistarini
SJUEZE
San Juan Luis Munoz Marin Intl
Thu 10/8
5:33 am-4:36 am
1 stop22h 03m
Buenos Aires Ministro Pistarini
Wed 10/21
3:48 am-4:14 pm
1 stop13h 26m
$767
San JuanBuenos Aires
SJU San Juan Luis Munoz Marin Intl - EZE Buenos Aires Ministro Pistarini
SJUEZE
San Juan Luis Munoz Marin Intl
Mon 11/16
5:34 am-1:53 am
1 stop19h 19m
Buenos Aires Ministro Pistarini
Tue 12/1
2:04 am-4:08 pm
1 stop15h 04m
$767
San JuanBuenos Aires
SJU San Juan Luis Munoz Marin Intl - EZE Buenos Aires Ministro Pistarini
SJUEZE
San Juan Luis Munoz Marin Intl
Thu 9/24
5:33 am-4:36 am
1 stop22h 03m
Buenos Aires Ministro Pistarini
Sun 9/27
3:48 am-4:14 pm
1 stop13h 26m
$767
San JuanBuenos Aires
SJU San Juan Luis Munoz Marin Intl - EZE Buenos Aires Ministro Pistarini
SJUEZE
San Juan Luis Munoz Marin Intl
Mon 9/21
5:33 am-2:30 am
1 stop19h 57m
Buenos Aires Ministro Pistarini
Thu 10/8
2:49 pm-4:14 pm
1 stop26h 25m
$767
San JuanBuenos Aires
SJU San Juan Luis Munoz Marin Intl - EZE Buenos Aires Ministro Pistarini
SJUEZE
San Juan Luis Munoz Marin Intl
Mon 10/26
5:32 am-11:43 pm
1 stop17h 11m
Buenos Aires Ministro Pistarini
Tue 11/3
4:02 am-4:09 pm
1 stop13h 07m
$767
San JuanBuenos Aires
SJU San Juan Luis Munoz Marin Intl - AEP Buenos Aires Jorge Newbery
SJUAEP
San Juan Luis Munoz Marin Intl
Wed 10/21
5:59 pm-7:40 am
2 stops36h 41m
Buenos Aires Jorge Newbery
Mon 11/2
8:05 pm-2:49 pm
2 stops43h 44m
$779
San JuanBuenos Aires
SJU San Juan Luis Munoz Marin Intl - AEP Buenos Aires Jorge Newbery
SJUAEP
San Juan Luis Munoz Marin Intl
Tue 10/27
2:59 pm-7:40 am
2 stops39h 41m
Buenos Aires Jorge Newbery
Fri 11/6
5:35 pm-5:48 pm
2 stops25h 13m
$779
San JuanBuenos Aires
SJU San Juan Luis Munoz Marin Intl - EZE Buenos Aires Ministro Pistarini
SJUEZE
San Juan Luis Munoz Marin Intl
Thu 9/17
12:56 pm-9:40 am
2 stops19h 44m
Buenos Aires Ministro Pistarini
Tue 9/22
8:10 pm-4:49 pm
1 stop21h 39m
$784
Showing 1-10 of 40 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 $575). Flying from San Juan to Buenos Aires in January is currently the most expensive (average of $921). 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 below average for this route at the moment.
San Juan to Buenos Aires flights typically cost between $623 and $778 in September.The cheapest round-trip price found within the last 5 days was $474 on Arajet (Sep 2-Sep 19).
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 22 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 August 8, 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.
Entertainment
7.8
Overall
7.8
Comfort
7.8
Crew
8.5
Boarding
8.1
Food
7.2
Reviews
1 / 20
10.0
ExcellentF.DAVID,Sep 2023
CDG - ATL
Entertainment
7.8
Overall
7.8
Comfort
7.8
Crew
8.5
Boarding
8.1
Food
7.2
Reviews
1 / 20
10.0
ExcellentF.DAVID,Sep 2023
CDG - ATL
Entertainment
7.8
Overall
7.8
Comfort
7.8
Crew
8.5
Boarding
8.1
Food
7.2
Reviews
1 / 20
10.0
ExcellentF.DAVID,Sep 2023
CDG - ATL
Entertainment
7.8
Overall
7.8
Comfort
7.8
Crew
8.5
Boarding
8.1
Food
7.2
Reviews
1 / 20
10.0
ExcellentF.DAVID,Sep 2023
CDG - ATL
Entertainment
7.8
Overall
7.8
Comfort
7.8
Crew
8.5
Boarding
8.1
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
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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.
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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 August 8, 2026.
Popular flight searches
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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 2,558,603 searches. Data last updated August 8, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$399 | Average$627 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$543 | Average$731 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$599 | Average$860 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$602 | Average$953 | FlexibilityNo cancel fee | On-time71% |