$294+ Cheap flights from Philadelphia (PHL) 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 10/7. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — BUE
Sep 21 — Sep 281
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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.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 August 22, 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 August 22, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/21. 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 10/74:42 pm -
2 stops34h 03m
Tue 10/208:00 am -
1 stop16h 47m
Deal found 8/21![Multiple Airlines logo]()
$777
This Kiwi.com deal was found by Cheapflights users on 8/21. 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.
Mon 10/512:10 pm -
2 stops37h 50m
Tue 10/208:00 am -
1 stop16h 47m
Deal found 8/21![Multiple Airlines logo]()
$785
This Kiwi.com deal was found by Cheapflights users on 8/21. 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 10/74:42 pm -
2 stops34h 03m
Mon 10/198:00 am -
1 stop16h 47m
Deal found 8/21![Multiple Airlines logo]()
$787
This Kiwi.com deal was found by Cheapflights users on 8/21. 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 10/74:42 pm -
2 stops34h 03m
Wed 10/218:00 am -
1 stop16h 47m
Deal found 8/21![Multiple Airlines logo]()
$794
This Kiwi.com deal was found by Cheapflights users on 8/21. 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.
Mon 10/512:10 pm -
2 stops37h 50m
Mon 10/198:00 am -
1 stop16h 47m
Deal found 8/21![Multiple Airlines logo]()
$797
This Kiwi.com deal was found by Cheapflights users on 8/20. 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.
Thu 10/14:42 pm -
2 stops33h 41m
Thu 10/228:00 am -
1 stop16h 47m
Deal found 8/20![Multiple Airlines logo]()
$799
This Kiwi.com deal was found by Cheapflights users on 8/21. 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.
Mon 10/512:10 pm -
2 stops37h 50m
Wed 10/218:00 am -
1 stop16h 47m
Deal found 8/21![Multiple Airlines logo]()
$802
This Kiwi.com deal was found by Cheapflights users on 8/20. 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.
Thu 10/14:42 pm -
2 stops33h 41m
Tue 10/208:00 am -
1 stop16h 47m
Deal found 8/20![Multiple Airlines logo]()
$811
This Kiwi.com deal was found by Cheapflights users on 8/20. 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.
Thu 10/14:42 pm -
2 stops33h 41m
Wed 10/218:00 am -
1 stop16h 47m
Deal found 8/20![Multiple Airlines logo]()
$816
This Kiwi.com deal was found by Cheapflights users on 8/22. 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.
Wed 10/74:42 pm -
2 stops33h 18m
Thu 10/228:00 am -
1 stop16h 47m
Deal found 8/22![Multiple Airlines logo]()
$818
This KAYAK deal was found by Cheapflights users on 8/22. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/14:28 pm -
2 stops18h 32m
Sat 11/143:30 am -
2 stops19h 03m
Deal found 8/22![GOL logo]()
$1,098
This KAYAK deal was found by Cheapflights users on 8/19. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2911:30 am -
2 stops24h 30m
Sun 11/83:30 am -
2 stops20h 24m
Deal found 8/19![GOL logo]()
$1,234
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 August 22, 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 August 22, 2026.
This Delta deal was found by Cheapflights users on 8/22. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/65:16 pm -
1 stop15h 29m
Mon 10/198:10 pm -
1 stop23h 08m
Deal found 8/22![Delta logo]()
$1,270
This KAYAK deal was found by Cheapflights users on 8/21. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/612:15 pm -
2 stops18h 25m
Tue 10/203:45 pm -
2 stops20h 25m
Deal found 8/21![LATAM Airlines logo]()
$1,270
This United Airlines deal was found by Cheapflights users on 8/19. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/1410:30 am -
2 stops20h 30m
Tue 9/229:00 pm -
2 stops27h 27m
Deal found 8/19![United Airlines logo]()
$1,324
This Copa Airlines deal was found by Cheapflights users on 8/21. 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.
Sat 1/168:00 pm -
2 stops29h 20m
Sat 1/239:08 am -
2 stops38h 24m
Deal found 8/21![Copa Airlines logo]()
$1,337
This Mytrip deal was found by Cheapflights users on 8/19. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/143:25 pm -
3 stops27h 15m
Tue 9/227:00 am -
3 stops28h 11m
Deal found 8/19![Multiple Airlines logo]()
$1,350
This Delta deal was found by Cheapflights users on 8/20. 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.
Mon 9/285:20 am -
2 stops33h 25m
Thu 10/224:45 pm -
2 stops19h 25m
Deal found 8/20![Delta logo]()
$1,270
This LATAM Airlines deal was found by Cheapflights users on 8/19. 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.
Mon 9/1410:35 am -
2 stops20h 05m
Tue 9/226:20 pm -
2 stops19h 02m
Deal found 8/19![LATAM Airlines logo]()
$1,320
This Copa Airlines deal was found by Cheapflights users on 8/21. 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.
Wed 1/2710:10 am -
2 stops34h 20m
Sat 2/132:44 pm -
2 stops20h 40m
Deal found 8/21![Copa Airlines logo]()
$1,341
This Delta deal was found by Cheapflights users on 8/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/612:15 pm -
2 stops18h 25m
Mon 10/196:20 pm -
2 stops20h 01m
Deal found 8/21![Delta logo]()
$1,270
This Delta deal was found by Cheapflights users on 8/22. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/73:46 pm -
2 stops23h 14m
Thu 10/223:45 pm -
2 stops20h 25m
Deal found 8/22![Delta logo]()
$1,270
This Delta deal was found by Cheapflights users on 8/22. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/612:15 pm -
2 stops18h 25m
Sun 10/188:05 pm -
2 stops18h 16m
Deal found 8/22![Delta logo]()
$1,270
This Delta deal was found by Cheapflights users on 8/22. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/610:34 am -
2 stops22h 06m
Tue 10/131:10 pm -
2 stops23h 00m
Deal found 8/22![Delta logo]()
$1,274
This Delta deal was found by Cheapflights users on 8/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/63:46 pm -
2 stops16h 54m
Wed 10/217:35 am -
2 stops18h 21m
Deal found 8/21![Delta logo]()
$1,274
This Delta deal was found by Cheapflights users on 8/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/73:46 pm -
2 stops16h 54m
Wed 10/214:45 pm -
2 stops19h 21m
Deal found 8/21![Delta logo]()
$1,274
This Delta deal was found by Cheapflights users on 8/22. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/63:46 pm -
2 stops16h 54m
Tue 10/207:35 am -
2 stops18h 21m
Deal found 8/22![Delta logo]()
$1,274
This Delta deal was found by Cheapflights users on 8/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/97:23 pm -
2 stops19h 37m
Wed 10/216:20 pm -
2 stops18h 24m
Deal found 8/21![Delta logo]()
$1,327
This Delta deal was found by Cheapflights users on 8/22. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/106:13 pm -
2 stops20h 47m
Thu 10/223:45 pm -
2 stops18h 44m
Deal found 8/22![Delta logo]()
$1,327
This Delta deal was found by Cheapflights users on 8/19. 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 9/128:50 am -
2 stops21h 50m
Thu 9/178:05 pm -
2 stops21h 08m
Deal found 8/19![Delta logo]()
$1,327
This Delta deal was found by Cheapflights users on 8/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/97:23 pm -
2 stops19h 37m
Mon 10/198:05 pm -
2 stops19h 36m
Deal found 8/21![Delta logo]()
$1,327
This Delta deal was found by Cheapflights users on 8/22. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/106:13 pm -
2 stops20h 47m
Tue 10/206:20 pm -
2 stops17h 46m
Deal found 8/22![Delta logo]()
$1,327
This Delta deal was found by Cheapflights users on 8/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/58:25 am -
2 stops19h 55m
Fri 2/129:30 pm -
1 stop19h 29m
Deal found 8/21![Delta logo]()
$1,384
Last-minute flights from Philadelphia to Buenos AiresDiscover last-minute flight deals from Philadelphia to Buenos Aires. Data last updated August 22, 2026 and is based on user searches.
Discover last-minute flight deals from Philadelphia to Buenos Aires. Data last updated August 22, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 8/20. 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 8/254:35 pm -
2 stops37h 10m
Mon 9/71:10 pm -
1 stop35h 45m
Deal found 8/20![Multiple Airlines logo]()
$893
This Kiwi.com deal was found by Cheapflights users on 8/20. 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.
Sun 9/64:35 pm -
2 stops38h 40m
Sun 9/131:10 pm -
1 stop35h 45m
Deal found 8/20![Multiple Airlines logo]()
$831
This Kiwi.com deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/85:30 am -
2 stops21h 15m
Sun 9/201:10 pm -
1 stop35h 45m
Deal found 8/18![Multiple Airlines logo]()
$874
This LATAM Airlines deal was found by Cheapflights users on 8/20. 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 LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/912:06 pm -
2 stops26h 54m
Sun 9/138:40 am -
2 stops36h 45m
Deal found 8/20![LATAM Airlines logo]()
$1,270
This Kiwi.com deal was found by Cheapflights users on 8/21. 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 9/116:24 am -
2 stops24h 06m
Mon 9/211:10 pm -
1 stop35h 45m
Deal found 8/21![Multiple Airlines logo]()
$867
This Kiwi.com deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” 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 9/134:42 pm -
1 stop25h 33m
Fri 9/182:49 pm -
2 stops31h 56m
Deal found 8/17![Multiple Airlines logo]()
$899
This Kiwi.com deal was found by Cheapflights users on 8/21. 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 9/166:24 am -
2 stops23h 21m
Wed 9/231:10 pm -
1 stop35h 45m
Deal found 8/21![Multiple Airlines logo]()
$857
This Kiwi.com deal was found by Cheapflights users on 8/20. 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.
Mon 9/284:42 pm -
2 stops33h 18m
Thu 10/228:00 am -
1 stop16h 47m
Deal found 8/20![Multiple Airlines logo]()
$885
This Kiwi.com deal was found by Cheapflights users on 8/20. 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 9/296:24 am -
2 stops20h 21m
Thu 10/228:00 am -
1 stop16h 47m
Deal found 8/20![Multiple Airlines logo]()
$862
This Kiwi.com deal was found by Cheapflights users on 8/20. 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 9/296:24 am -
2 stops20h 21m
Wed 10/218:00 am -
1 stop16h 47m
Deal found 8/20![Multiple Airlines logo]()
$879
This Kiwi.com deal was found by Cheapflights users on 8/20. 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 9/296:24 am -
2 stops20h 21m
Mon 10/198:00 am -
1 stop16h 47m
Deal found 8/20![Multiple Airlines logo]()
$883
This Kiwi.com deal was found by Cheapflights users on 8/20. 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.
Wed 9/306:24 am -
2 stops23h 21m
Tue 10/208:00 am -
1 stop16h 47m
Deal found 8/20![Multiple Airlines logo]()
$895
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 August 22, 2026.
Search for one-way flight options from Philadelphia to Buenos Aires. Find affordable one-way fares based on user searches. Data last updated August 22, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/21. 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 10/74:42 pm -
2 stops34h 03m
Deal found 8/21![Multiple Airlines logo]()
$294
This Kiwi.com deal was found by Cheapflights users on 8/21. 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 10/95:15 am -
2 stops27h 01m
Deal found 8/21![Multiple Airlines logo]()
$340
This Kiwi.com deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” 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 10/44:42 pm -
3 stops41h 18m
Deal found 8/17![Multiple Airlines logo]()
$357
This Kiwi.com deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” 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 11/307:21 pm -
3 stops33h 39m
Deal found 8/18![Multiple Airlines logo]()
$376
This Kiwi.com deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” 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 11/307:21 pm -
3 stops37h 39m
Deal found 8/18![Multiple Airlines logo]()
$376
This Kiwi.com deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” 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 8/305:25 am -
2 stops22h 35m
Deal found 8/18![Multiple Airlines logo]()
$381
This Kiwi.com deal was found by Cheapflights users on 8/22. 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.
Tue 10/66:24 am -
2 stops20h 21m
Deal found 8/22![Multiple Airlines logo]()
$388
This Kiwi.com deal was found by Cheapflights users on 8/21. 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.
Tue 10/66:24 am -
3 stops27h 56m
Deal found 8/21![Multiple Airlines logo]()
$388
This Kiwi.com deal was found by Cheapflights users on 8/21. 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 10/84:47 pm -
2 stops33h 36m
Deal found 8/21![Multiple Airlines logo]()
$389
This Kiwi.com deal was found by Cheapflights users on 8/20. 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.
Thu 9/178:02 pm -
3 stops55h 18m
Deal found 8/20![Multiple Airlines logo]()
$409
This Kiwi.com deal was found by Cheapflights users on 8/21. 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 -
3 stops44h 56m
Deal found 8/21![Multiple Airlines logo]()
$410
This Kiwi.com deal was found by Cheapflights users on 8/21. 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 10/96:24 am -
3 stops36h 26m
Deal found 8/21![Multiple Airlines logo]()
$468
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 August 22, 2026.
Most accurate provider | Ovago 3 stars |
|---|---|
Most trusted provider | Ovago 3 stars |
Round-trip from | $774 (Kiwi.com) |
One-way from | $294 (Kiwi.com) |
Popular in | October |
Cheapest in | March |
Average price | $1,362 |
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 August 22, 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 - EZE Buenos Aires Ministro Pistarini
PHLEZE
Philadelphia
Tue 10/6
5:16 pm-9:45 am
1 stop15h 29m
Buenos Aires Ministro Pistarini
Mon 10/19
8:10 pm-6:18 pm
1 stop23h 08m
$1,270
PhiladelphiaBuenos Aires
PHL Philadelphia - AEP Buenos Aires Jorge Newbery
PHLAEP
Philadelphia
Tue 10/6
12:15 pm-7:40 am
2 stops18h 25m
Buenos Aires Jorge Newbery
Tue 10/20
3:45 pm-11:10 am
2 stops20h 25m
$1,270
PhiladelphiaBuenos Aires
PHL Philadelphia - EZE Buenos Aires Ministro Pistarini
PHLEZE
Philadelphia
Mon 9/28
5:20 am-3:45 pm
2 stops33h 25m
Buenos Aires Ministro Pistarini
Thu 10/22
4:45 pm-11:10 am
2 stops19h 25m
$1,270
PhiladelphiaBuenos Aires
PHL Philadelphia - AEP Buenos Aires Jorge Newbery
PHLAEP
Philadelphia
Tue 10/6
12:15 pm-7:40 am
2 stops18h 25m
Buenos Aires Jorge Newbery
Mon 10/19
6:20 pm-1:21 pm
2 stops20h 01m
$1,270
PhiladelphiaBuenos Aires
PHL Philadelphia - AEP Buenos Aires Jorge Newbery
PHLAEP
Philadelphia
Wed 10/7
3:46 pm-4:00 pm
2 stops23h 14m
Buenos Aires Jorge Newbery
Thu 10/22
3:45 pm-11:10 am
2 stops20h 25m
$1,270
PhiladelphiaBuenos Aires
PHL Philadelphia - AEP Buenos Aires Jorge Newbery
PHLAEP
Philadelphia
Tue 10/6
12:15 pm-7:40 am
2 stops18h 25m
Buenos Aires Jorge Newbery
Sun 10/18
8:05 pm-1:21 pm
2 stops18h 16m
$1,270
PhiladelphiaBuenos Aires
PHL Philadelphia - EZE Buenos Aires Ministro Pistarini
PHLEZE
Philadelphia
Tue 10/6
10:34 am-9:40 am
2 stops22h 06m
Buenos Aires Ministro Pistarini
Tue 10/13
1:10 pm-11:10 am
2 stops23h 00m
$1,274
Quickest round-trip
PhiladelphiaBuenos Aires
PHL Philadelphia - EZE Buenos Aires Ministro Pistarini
PHLEZE
Philadelphia
Tue 10/6
3:46 pm-9:40 am
2 stops16h 54m
Buenos Aires Ministro Pistarini
Wed 10/21
7:35 am-12:56 am
2 stops18h 21m
$1,274
PhiladelphiaBuenos Aires
PHL Philadelphia - EZE Buenos Aires Ministro Pistarini
PHLEZE
Philadelphia
Wed 10/7
3:46 pm-9:40 am
2 stops16h 54m
Buenos Aires Ministro Pistarini
Wed 10/21
4:45 pm-11:06 am
2 stops19h 21m
$1,274
PhiladelphiaBuenos Aires
PHL Philadelphia - EZE Buenos Aires Ministro Pistarini
PHLEZE
Philadelphia
Tue 10/6
3:46 pm-9:40 am
2 stops16h 54m
Buenos Aires Ministro Pistarini
Tue 10/20
7:35 am-12:56 am
2 stops18h 21m
$1,274
Showing 1-10 of 35 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 August.
| 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 December is currently the most expensive (average of $1,648). 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 Philadelphia to Buenos Aires?
Airfare is below average for this route at the moment.
Philadelphia to Buenos Aires flights typically cost between $1,057 and $1,540 in October.The cheapest round-trip price found within the last 5 days was $777 on Multiple Airlines (Oct 7-Oct 20).
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 22, 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.
Comfort
7.2
Food
6.4
Boarding
7.5
Crew
7.9
Overall
7.1
Entertainment
6.8
Reviews
1 / 20
8.0
ExcellentAnonymous,May 2025
PHL - LHR
Comfort
7.2
Food
6.4
Boarding
7.5
Crew
7.9
Overall
7.1
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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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 22, 2026.
Complete your trip
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Philadelphia and Buenos Aires flights
Browse other Philadelphia and Buenos Aires flight options. Last updated on August 22, 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 August 22, 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 August 22, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$908 | Average$1,265 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$1,148 | Average$1,516 | FlexibilityNo cancel fee | On-time71% |