$365+ Cheap flights from Philadelphia (PHL) 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 11/11. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — BUE
Oct 24 — Oct 311
Round-trip
1 adult, Economy
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Find cheap flights from Philadelphia 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
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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 Philadelphia to Buenos Aires
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Cheapest flights from Philadelphia to Buenos AiresExplore the most affordable flight options available from Philadelphia to Buenos Aires. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 24, 2026.
Explore the most affordable flight options available from Philadelphia to Buenos Aires. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 24, 2026.
This Mytrip deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/57:07 pm -
3 stops30h 16m
Tue 11/105:50 am -
3 stops27h 31m
Deal found 9/21![Multiple Airlines logo]()
$800
This Mytrip deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/66:00 am -
2 stops25h 16m
Tue 11/105:50 am -
3 stops27h 31m
Deal found 9/21![Multiple Airlines logo]()
$853
This Mytrip deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/57:07 pm -
3 stops30h 16m
Wed 11/1111:10 pm -
3 stops31h 01m
Deal found 9/21![Multiple Airlines logo]()
$910
This Kiwi.com deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/37:50 am -
2 stops38h 17m
Tue 12/110:45 pm -
1 stop36h 17m
Deal found 9/20![Multiple Airlines logo]()
$933
This Kiwi.com deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/65:15 am -
2 stops26h 01m
Thu 11/122:40 pm -
1 stop35h 03m
Deal found 9/21![Multiple Airlines logo]()
$972
This Kiwi.com deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/54:47 pm -
2 stops32h 36m
Thu 11/122:40 pm -
1 stop35h 03m
Deal found 9/21![Multiple Airlines logo]()
$979
This Mytrip deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/218:30 am -
3 stops24h 30m
Tue 10/2711:00 am -
2 stops30h 21m
Deal found 9/20![Multiple Airlines logo]()
$989
This Mytrip deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/236:24 am -
3 stops32h 24m
Fri 10/304:30 pm -
3 stops32h 24m
Deal found 9/23![Multiple Airlines logo]()
$992
This Mytrip deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/206:24 am -
3 stops25h 06m
Tue 10/279:40 pm -
3 stops27h 14m
Deal found 9/22![Multiple Airlines logo]()
$1,026
This Mytrip deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/57:07 pm -
3 stops34h 23m
Thu 11/129:00 pm -
3 stops29h 29m
Deal found 9/21![Multiple Airlines logo]()
$1,038
This Mytrip deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/46:00 am -
3 stops31h 30m
Sat 11/2111:55 am -
2 stops30h 26m
Deal found 9/22![Multiple Airlines logo]()
$1,055
This Mytrip deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/56:00 am -
3 stops26h 41m
Wed 11/119:00 am -
3 stops35h 02m
Deal found 9/21![Multiple Airlines logo]()
$1,071
Best flights from Philadelphia to Buenos AiresDiscover carefully curated flight deals from Philadelphia to Buenos Aires that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 24, 2026.
Discover carefully curated flight deals from Philadelphia to Buenos Aires that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 24, 2026.
This Mytrip deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/236:24 am -
3 stops32h 24m
Fri 10/306:25 am -
2 stops33h 19m
Deal found 9/23![Multiple Airlines logo]()
$1,147
This FlightHub deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/313:44 pm -
2 stops20h 16m
Sat 11/73:30 am -
2 stops32h 15m
Deal found 9/20![GOL logo]()
$1,319
This Copa Airlines deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/39:45 am -
2 stops34h 12m
Tue 11/2412:05 am -
2 stops35h 44m
Deal found 9/21![Copa Airlines logo]()
$1,322
This Delta deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/112:12 pm -
1 stop17h 28m
Thu 3/115:00 pm -
2 stops22h 03m
Deal found 9/20![Delta logo]()
$1,340
This United Airlines deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/612:40 pm -
1 stop18h 40m
Wed 1/2011:55 pm -
1 stop19h 01m
Deal found 9/22![United Airlines logo]()
$1,340
This LATAM Airlines deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/197:29 pm -
2 stops19h 31m
Sun 3/288:05 pm -
2 stops17h 58m
Deal found 9/19![LATAM Airlines logo]()
$1,397
This Booking.com deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/53:20 pm -
2 stops24h 00m
Sat 3/138:00 pm -
2 stops43h 42m
Deal found 9/20![Multiple Airlines logo]()
$1,226
This Copa Airlines deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/158:00 pm -
2 stops29h 10m
Sat 2/272:45 pm -
2 stops20h 39m
Deal found 9/19![Copa Airlines logo]()
$1,337
This Delta deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1210:32 am -
2 stops19h 08m
Wed 11/255:35 pm -
2 stops18h 30m
Deal found 9/19![Delta logo]()
$1,340
This United Airlines deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/117:40 pm -
2 stops33h 40m
Thu 3/1110:05 pm -
2 stops22h 35m
Deal found 9/20![United Airlines logo]()
$1,344
This Kiwi.com deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/199:07 am -
2 stops23h 25m
Sun 3/283:15 pm -
1 stop19h 21m
Deal found 9/19![Multiple Airlines logo]()
$1,237
This LATAM Airlines deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/146:10 pm -
2 stops17h 50m
Sat 11/289:25 am -
2 stops27h 38m
Deal found 9/21![LATAM Airlines logo]()
$1,454
This Copa Airlines deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/1110:10 am -
2 stops36h 42m
Tue 2/162:45 pm -
2 stops29h 55m
Deal found 9/20![Copa Airlines logo]()
$1,337
This United Airlines deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/18:15 am -
1 stop23h 05m
Thu 2/1111:55 pm -
2 stops20h 45m
Deal found 9/23![United Airlines logo]()
$1,344
This Kiwi.com deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/106:05 am -
2 stops22h 30m
Tue 2/2310:45 pm -
1 stop36h 51m
Deal found 9/19![Multiple Airlines logo]()
$1,259
This Delta deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/206:13 pm -
2 stops18h 47m
Wed 3/318:05 pm -
2 stops17h 58m
Deal found 9/19![Delta logo]()
$1,397
This Copa Airlines deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/139:45 am -
2 stops37h 07m
Fri 1/293:40 am -
2 stops31h 44m
Deal found 9/23![Copa Airlines logo]()
$1,337
This Expedia deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/241:50 pm -
2 stops29h 40m
Wed 12/309:25 am -
2 stops26h 40m
Deal found 9/21![LATAM Airlines logo]()
$1,548
This Copa Airlines deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/36:00 am -
2 stops43h 10m
Thu 2/1112:05 am -
2 stops35h 19m
Deal found 9/19![Copa Airlines logo]()
$1,343
This Gotogate deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/203:20 pm -
2 stops23h 20m
Sat 3/271:35 pm -
2 stops26h 06m
Deal found 9/19![Multiple Airlines logo]()
$1,403
This KAYAK deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/276:13 pm -
2 stops19h 47m
Sat 2/135:35 pm -
2 stops19h 27m
Deal found 9/24![LATAM Airlines logo]()
$1,563
This Copa Airlines deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/289:50 am -
2 stops34h 30m
Fri 1/152:02 am -
2 stops33h 22m
Deal found 9/22![Copa Airlines logo]()
$1,347
This Mytrip deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2110:37 am -
2 stops18h 03m
Tue 10/279:40 pm -
3 stops32h 31m
Deal found 9/20![Multiple Airlines logo]()
$1,497
Last-minute flights from Philadelphia to Buenos AiresDiscover last-minute flight deals from Philadelphia to Buenos Aires. Data last updated September 24, 2026 and is based on user searches.
Discover last-minute flight deals from Philadelphia to Buenos Aires. Data last updated September 24, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/46:24 am -
2 stops20h 21m
Thu 10/81:10 pm -
1 stop35h 32m
Deal found 9/21![Multiple Airlines logo]()
$1,032
This Mytrip deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/97:15 am -
2 stops22h 30m
Sat 10/176:35 am -
2 stops23h 29m
Deal found 9/22![Multiple Airlines logo]()
$1,010
This Kiwi.com deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/96:00 am -
2 stops21h 21m
Fri 10/161:10 pm -
1 stop35h 37m
Deal found 9/22![Multiple Airlines logo]()
$1,042
This Mytrip deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/1611:23 am -
3 stops27h 25m
Mon 10/264:40 pm -
3 stops32h 14m
Deal found 9/21![Multiple Airlines logo]()
$1,127
This Mytrip deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/207:35 am -
2 stops18h 25m
Tue 10/2711:00 am -
2 stops30h 21m
Deal found 9/20![Multiple Airlines logo]()
$1,001
This Mytrip deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/206:24 am -
3 stops25h 06m
Tue 10/279:40 pm -
3 stops27h 14m
Deal found 9/22![Multiple Airlines logo]()
$1,026
This Mytrip deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/218:30 am -
3 stops24h 30m
Tue 10/2711:00 am -
2 stops30h 21m
Deal found 9/20![Multiple Airlines logo]()
$989
This Mytrip deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/228:02 pm -
3 stops30h 21m
Thu 10/2911:20 am -
2 stops30h 01m
Deal found 9/23![Multiple Airlines logo]()
$1,003
This Mytrip deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/236:24 am -
3 stops32h 24m
Fri 10/304:30 pm -
3 stops32h 24m
Deal found 9/23![Multiple Airlines logo]()
$992
This Mytrip deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/236:24 am -
3 stops25h 52m
Thu 10/293:40 am -
3 stops28h 41m
Deal found 9/23![Multiple Airlines logo]()
$1,031
This Mytrip deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/297:00 am -
3 stops23h 30m
Sat 11/78:00 pm -
2 stops44h 44m
Deal found 9/21![Multiple Airlines logo]()
$1,260
This Mytrip deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/317:00 am -
3 stops23h 30m
Sun 11/86:25 pm -
3 stops31h 18m
Deal found 9/20![Multiple Airlines logo]()
$1,200
One-way flights from Philadelphia to Buenos AiresSearch for one-way flight options from Philadelphia to Buenos Aires. Find affordable one-way fares based on user searches. Data last updated September 24, 2026.
Search for one-way flight options from Philadelphia to Buenos Aires. Find affordable one-way fares based on user searches. Data last updated September 24, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/114:47 pm -
2 stops36h 43m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/23![Multiple Airlines logo]()
$365
This Kiwi.com deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1210:30 am -
3 stops43h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/23![Multiple Airlines logo]()
$372
This Kiwi.com deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/114:47 pm -
2 stops33h 33m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/23![Multiple Airlines logo]()
$374
This Kiwi.com deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/186:24 am -
3 stops37h 36m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/22![Multiple Airlines logo]()
$376
This Kiwi.com deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1210:30 am -
3 stops40h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/23![Multiple Airlines logo]()
$380
This Kiwi.com deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/166:24 am -
3 stops40h 04m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/22![Multiple Airlines logo]()
$385
This Kiwi.com deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/166:24 am -
3 stops42h 06m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/22![Multiple Airlines logo]()
$385
This Kiwi.com deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1712:30 pm -
3 stops55h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/22![Multiple Airlines logo]()
$386
This Kiwi.com deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/76:24 am -
2 stops23h 21m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/21![Multiple Airlines logo]()
$398
This Kiwi.com deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/305:05 am -
3 stops47h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/22![Multiple Airlines logo]()
$407
This Kiwi.com deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/137:26 pm -
2 stops52h 44m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/23![Multiple Airlines logo]()
$408
This Kiwi.com deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/309:18 pm -
3 stops45h 22m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/22![Multiple Airlines logo]()
$409
Find flight deals from Philadelphia to Buenos Aires
Discover tips and strategies to find the most affordable flight options for your journey from Philadelphia (PHL) 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 September 24, 2026.
Most accurate provider | Ovago 3 stars |
|---|---|
Most trusted provider | Ovago 3 stars |
Round-trip from | $800 (Mytrip) |
One-way from | $365 (Kiwi.com) |
Popular in | October |
Cheapest in | March |
Average price | $1,509 |
Cheapflights Fare Finder
Customize your flight search to find flights from Philadelphia 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 September 24, 2026.
Use the filters below to find and compare flights from Philadelphia to Buenos Aires that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
PhiladelphiaBuenos Aires
PHL Philadelphia - AEP Buenos Aires Jorge Newbery
PHLAEP
Philadelphia
Sun 10/18
6:24 am-9:00 pm
3 stops37h 36m
Buenos Aires Jorge Newbery
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$376
PhiladelphiaBuenos Aires
PHL Philadelphia - AEP Buenos Aires Jorge Newbery
PHLAEP
Philadelphia
Fri 11/13
7:07 pm-4:20 am
3 stops55h 13m
Buenos Aires Jorge Newbery
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$425
PhiladelphiaBuenos Aires
PHL Philadelphia - AEP Buenos Aires Jorge Newbery
PHLAEP
Philadelphia
Mon 10/12
6:24 am-4:20 am
3 stops44h 56m
Buenos Aires Jorge Newbery
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$427
PhiladelphiaBuenos Aires
PHL Philadelphia - EZE Buenos Aires Ministro Pistarini
PHLEZE
Philadelphia
Sun 10/11
6:00 am-2:30 am
2 stops43h 30m
Buenos Aires Ministro Pistarini
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$473
PhiladelphiaBuenos Aires
PHL Philadelphia - EZE Buenos Aires Ministro Pistarini
PHLEZE
Philadelphia
Wed 10/7
5:32 pm-3:00 am
3 stops32h 28m
Buenos Aires Ministro Pistarini
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$484
PhiladelphiaBuenos Aires
PHL Philadelphia - EZE Buenos Aires Ministro Pistarini
PHLEZE
Philadelphia
Sun 3/14
6:05 am-8:45 pm
3 stops37h 40m
Buenos Aires Ministro Pistarini
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$488
PhiladelphiaBuenos Aires
PHL Philadelphia - AEP Buenos Aires Jorge Newbery
PHLAEP
Philadelphia
Sun 10/11
8:02 pm-8:30 am
3 stops35h 28m
Buenos Aires Jorge Newbery
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$519
PhiladelphiaBuenos Aires
PHL Philadelphia - AEP Buenos Aires Jorge Newbery
PHLAEP
Philadelphia
Sat 10/17
6:24 am-5:40 am
2 stops22h 16m
Buenos Aires Jorge Newbery
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$537
PhiladelphiaBuenos Aires
PHL Philadelphia - AEP Buenos Aires Jorge Newbery
PHLAEP
Philadelphia
Thu 10/15
11:23 am-4:00 pm
3 stops27h 37m
Buenos Aires Jorge Newbery
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$553
PhiladelphiaBuenos Aires
PHL Philadelphia - EZE Buenos Aires Ministro Pistarini
PHLEZE
Philadelphia
Wed 11/18
3:20 pm-3:05 pm
3 stops45h 45m
Buenos Aires Ministro Pistarini
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$585
Showing 1-10 of 42 resultsSorted by cheapest first
Compare providers for flights from Philadelphia 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 Philadelphia to Buenos Aires in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Philadelphia-Buenos Aires flights, users find the pricing of Ovago to be most consistent on Cheapflights vs. Ovago Users can find the same prices on Philadelphia-Buenos Aires flight deals on Cheapflights vs. Ovago >95% of the time. Price accuracy is based on data collected from Philadelphia-Buenos Aires flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Philadelphia-Buenos Aires flights, Cheapflights users trust Ovago the most. Ovago 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 Philadelphia-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 Philadelphia to Buenos Aires
Have a flexible travel schedule? Discover the best time to fly to Buenos Aires from Philadelphia with our price prediction graph.
PHL-BUE
PHL-EZE
PHL-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 Philadelphia to Buenos Aires
PHL-BUE
PHL-EZE
PHL-AEP
What is the cheapest month to book a flight from Philadelphia to Buenos Aires?
Currently, June is the cheapest month in which you can book a flight from Philadelphia to Buenos Aires (average of $1,148). Flying from Philadelphia to Buenos Aires in March is currently the most expensive (average of $1,845). 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.
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 September 24, 2026.
Peruse reviews from past customers who have flown with American Airlines from Philadelphia 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.
Food
6.4
Overall
7.0
Comfort
7.2
Boarding
7.4
Crew
7.9
Entertainment
6.8
Reviews
1 / 20
8.0
ExcellentAnonymous,May 2025
PHL - LHR
Food
6.4
Overall
7.0
Comfort
7.2
Boarding
7.4
Crew
7.9
Entertainment
6.8
Reviews
1 / 20
8.0
ExcellentAnonymous,May 2025
PHL - LHR
Related info for your journey
Find useful and relevant information for your journey from Philadelphia 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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Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
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Alternative routes for Philadelphia 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 September 24, 2026.
Complete your trip
Complete your trip to Buenos Aires by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Philadelphia to Buenos Aires by cabin class
Find flights from Philadelphia to Buenos Aires, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Philadelphia and Buenos Aires flights
Browse other Philadelphia and Buenos Aires flight options. Last updated on September 24, 2026.
Other flights from Philadelphia
Browse through other flights departing from Philadelphia. Flights are based on user searches made on Cheapflights and were last updated on September 24, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 2 airlines flying from Philadelphia to Buenos Aires
Discover the top 2 airlines that operate flights from Philadelphia 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 September 24, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$908 | Average$1,355 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$1,148 | Average$1,516 | FlexibilityNo cancel fee | On-time71% |