$302+ Cheap flights from Dulles Intl (IAD) to Argentina
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 7/8. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — EZE
Jul 23 — Jul 301
Round-trip
1 adult, Economy
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Cheapest flights from Dulles Intl to ArgentinaExplore the most affordable flight options available from Dulles Intl to Argentina. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 23, 2026.
Explore the most affordable flight options available from Dulles Intl to Argentina. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 23, 2026.
This Copa Airlines deal was found by Cheapflights users on 6/19. 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.
Sat 7/46:25 am
IAD
- EZE
1 stop20h 50m
Copa Airlines
Tue 7/73:48 am
EZE
- IAD
1 stop25h 33m
Copa Airlines
Deal found 6/19![Copa Airlines logo]()
$655
This Delta deal was found by Cheapflights users on 6/20. 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.
Sat 7/116:00 am
IAD
- EZE
1 stop26h 45m
Delta
Mon 7/278:10 pm
EZE
- IAD
1 stop29h 31m
Delta
Deal found 6/20![Delta logo]()
$657
This United Airlines deal was found by Cheapflights users on 6/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/66:20 am
IAD
- EZE
1 stop24h 40m
United Airlines
Thu 7/99:00 pm
EZE
- IAD
1 stop24h 46m
United Airlines
Deal found 6/21![United Airlines logo]()
$667
This Delta deal was found by Cheapflights users on 6/23. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/83:02 pm
IAD
- EZE
2 stops26h 48m
Delta
Tue 7/141:10 pm
EZE
- IAD
2 stops25h 51m
Delta
Deal found 6/23![Delta logo]()
$671
This Justfly.com deal was found by Cheapflights users on 6/20. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/74:00 pm
IAD
- EZE
2 stops16h 40m
LATAM Airlines
Wed 10/141:10 pm
EZE
- IAD
2 stops23h 49m
LATAM Airlines
Deal found 6/20![LATAM Airlines logo]()
$672
This United Airlines deal was found by Cheapflights users on 6/23. 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.
Wed 7/88:40 am
IAD
- EZE
1 stop22h 20m
United Airlines
Tue 7/149:00 pm
EZE
- IAD
1 stop28h 31m
United Airlines
Deal found 6/23![United Airlines logo]()
$676
This United Airlines deal was found by Cheapflights users on 6/23. 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.
Wed 7/16:30 am
IAD
- EZE
1 stop24h 30m
United Airlines
Thu 7/99:00 pm
EZE
- IAD
1 stop24h 46m
United Airlines
Deal found 6/23![United Airlines logo]()
$681
This Copa Airlines deal was found by Cheapflights users on 6/23. 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.
Tue 6/234:38 pm
IAD
- EZE
1 stop28h 49m
Copa Airlines
Mon 6/293:48 am
EZE
- IAD
1 stop25h 33m
Copa Airlines
Deal found 6/23![Copa Airlines logo]()
$682
This American Airlines deal was found by Cheapflights users on 6/23. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/112:00 pm
IAD
- EZE
2 stops19h 50m
American Airlines
Thu 7/910:35 pm
EZE
- IAD
2 stops24h 30m
American Airlines
Deal found 6/23![American Airlines logo]()
$685
This United Airlines deal was found by Cheapflights users on 6/23. 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.
Tue 6/3010:20 pm
IAD
- EZE
1 stop32h 40m
United Airlines
Thu 7/99:00 pm
EZE
- IAD
1 stop24h 46m
United Airlines
Deal found 6/23![United Airlines logo]()
$690
This Expedia deal was found by Cheapflights users on 6/21. 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.
Sun 7/128:27 am
IAD
- EZE
1 stop24h 18m
LATAM Airlines
Mon 7/278:10 pm
EZE
- IAD
1 stop29h 31m
LATAM Airlines
Deal found 6/21![LATAM Airlines logo]()
$691
This FlightHub deal was found by Cheapflights users on 6/21. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/287:50 pm
IAD
- AEP
2 stops19h 10m
LATAM Airlines
Tue 11/108:05 pm
AEP
- IAD
2 stops17h 47m
LATAM Airlines
Deal found 6/21![LATAM Airlines logo]()
$694
Best flights from Dulles Intl to ArgentinaDiscover carefully curated flight deals from Dulles Intl to Argentina that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 23, 2026.
Discover carefully curated flight deals from Dulles Intl to Argentina that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 23, 2026.
This Delta deal was found by Cheapflights users on 6/19. 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.
Wed 7/85:46 pm
IAD
- EZE
2 stops24h 04m
Delta
Tue 7/141:10 pm
EZE
- IAD
2 stops28h 36m
Delta
Deal found 6/19![Delta logo]()
$671
This United Airlines deal was found by Cheapflights users on 6/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/108:40 am
IAD
- EZE
1 stop22h 20m
United Airlines
Fri 7/319:00 pm
EZE
- IAD
1 stop28h 31m
United Airlines
Deal found 6/21![United Airlines logo]()
$676
This Copa Airlines deal was found by Cheapflights users on 6/19. 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.
Wed 7/156:25 am
IAD
- EZE
1 stop20h 50m
Copa Airlines
Wed 7/2212:10 am
EZE
- IAD
1 stop26h 37m
Copa Airlines
Deal found 6/19![Copa Airlines logo]()
$705
This Avianca deal was found by Cheapflights users on 6/18. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/203:35 pm
IAD
- AEP
1 stop13h 05m
Avianca
Tue 9/87:00 am
AEP
- IAD
2 stops20h 45m
Avianca
Deal found 6/18![Avianca logo]()
$739
This LATAM Airlines deal was found by Cheapflights users on 6/22. 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 LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/2412:29 pm
IAD
- MDZ
2 stops21h 37m
LATAM Airlines
Tue 8/257:50 pm
MDZ
- IAD
2 stops23h 43m
LATAM Airlines
Deal found 6/22![LATAM Airlines logo]()
$886
This Mytrip deal was found by Cheapflights users on 6/22. 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.
Mon 8/175:45 am
IAD
- AEP
2 stops22h 55m
Multiple Airlines
Mon 8/245:45 am
AEP
- IAD
3 stops35h 10m
Multiple Airlines
Deal found 6/22![Multiple Airlines logo]()
$1,019
This United Airlines deal was found by Cheapflights users on 6/23. 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.
Thu 7/28:40 am
IAD
- EZE
1 stop22h 20m
United Airlines
Fri 7/109:00 pm
EZE
- IAD
1 stop15h 33m
United Airlines
Deal found 6/23![United Airlines logo]()
$695
This Delta deal was found by Cheapflights users on 6/18. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/107:26 pm
IAD
- EZE
1 stop13h 19m
Delta
Thu 8/201:10 pm
EZE
- IAD
2 stops29h 59m
Delta
Deal found 6/18![Delta logo]()
$699
This Copa Airlines deal was found by Cheapflights users on 6/21. 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.
Mon 9/144:34 pm
IAD
- EZE
1 stop31h 17m
Copa Airlines
Mon 9/212:49 pm
EZE
- IAD
1 stop14h 31m
Copa Airlines
Deal found 6/21![Copa Airlines logo]()
$710
This oojo deal was found by Cheapflights users on 6/22. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/63:35 pm
IAD
- COR
1 stop13h 45m
Avianca
Thu 8/137:25 am
COR
- IAD
1 stop31h 50m
Avianca
Deal found 6/22![Avianca logo]()
$749
This United Airlines deal was found by Cheapflights users on 6/18. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/108:40 am
IAD
- EZE
1 stop22h 20m
United Airlines
Thu 8/209:00 pm
EZE
- IAD
1 stop15h 28m
United Airlines
Deal found 6/18![United Airlines logo]()
$695
This Copa Airlines deal was found by Cheapflights users on 6/22. 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.
Thu 7/26:25 am
IAD
- EZE
1 stop15h 02m
Copa Airlines
Sun 7/52:49 pm
EZE
- IAD
1 stop25h 16m
Copa Airlines
Deal found 6/22![Copa Airlines logo]()
$719
This Delta deal was found by Cheapflights users on 6/20. 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.
Fri 7/33:02 pm
IAD
- EZE
1 stop17h 43m
Delta
Mon 8/108:10 pm
EZE
- IAD
1 stop14h 10m
Delta
Deal found 6/20![Delta logo]()
$722
This Avianca deal was found by Cheapflights users on 6/20. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/233:00 am
IAD
- COR
2 stops20h 55m
Avianca
Sun 11/297:25 am
COR
- IAD
2 stops20h 15m
Avianca
Deal found 6/20![Avianca logo]()
$751
This Delta deal was found by Cheapflights users on 6/22. 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.
Mon 8/173:03 pm
IAD
- EZE
1 stop17h 42m
Delta
Mon 8/248:10 pm
EZE
- IAD
1 stop21h 32m
Delta
Deal found 6/22![Delta logo]()
$722
This Priceline deal was found by Cheapflights users on 6/22. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/224:50 pm
IAD
- BRC
2 stops53h 00m
Aeromexico
Wed 7/2911:50 pm
BRC
- IAD
2 stops40h 30m
Aeromexico
Deal found 6/22![Aeromexico logo]()
$1,780
This KAYAK deal was found by Cheapflights users on 6/19. 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 11/197:59 pm
IAD
- COR
2 stops30h 11m
LATAM Airlines
Mon 11/307:40 am
COR
- IAD
2 stops30h 12m
LATAM Airlines
Deal found 6/19![LATAM Airlines logo]()
$911
This oojo deal was found by Cheapflights users on 6/23. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/146:50 am
IAD
- COR
1 stop22h 30m
Avianca
Sat 8/297:25 am
COR
- IAD
2 stops21h 55m
Avianca
Deal found 6/23![Avianca logo]()
$754
This Gotogate deal was found by Cheapflights users on 6/18. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/35:45 am
IAD
- COR
2 stops23h 35m
Avianca
Tue 9/227:25 am
COR
- IAD
2 stops21h 55m
Avianca
Deal found 6/18![Avianca logo]()
$759
This Copa Airlines deal was found by Cheapflights users on 6/23. 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.
Thu 7/232:22 am
IAD
- COR
1 stop26h 41m
Copa Airlines
Fri 7/317:03 am
COR
- IAD
1 stop22h 18m
Copa Airlines
Deal found 6/23![Copa Airlines logo]()
$836
This Kiwi.com deal was found by Cheapflights users on 6/18. 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.
Fri 7/36:25 am
IAD
- MDZ
1 stop16h 56m
Multiple Airlines
Sun 7/1910:20 am
MDZ
- IAD
2 stops29h 45m
Multiple Airlines
Deal found 6/18![Multiple Airlines logo]()
$1,023
This Copa Airlines deal was found by Cheapflights users on 6/21. 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 8/126:26 am
IAD
- MDZ
1 stop16h 59m
Copa Airlines
Mon 8/241:25 am
MDZ
- IAD
1 stop14h 40m
Copa Airlines
Deal found 6/21![Copa Airlines logo]()
$839
This Delta deal was found by Cheapflights users on 6/22. 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.
Sun 6/286:00 am
IAD
- MDZ
2 stops23h 20m
Delta
Sun 7/127:50 pm
MDZ
- IAD
2 stops23h 29m
Delta
Deal found 6/22![Delta logo]()
$886
This Mytrip deal was found by Cheapflights users on 6/22. 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 11/132:35 pm
IAD
- BRC
2 stops37h 55m
Multiple Airlines
Mon 11/239:09 pm
BRC
- IAD
3 stops30h 31m
Multiple Airlines
Deal found 6/22![Multiple Airlines logo]()
$1,089
This Copa Airlines deal was found by Cheapflights users on 6/23. 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.
Sun 8/26:26 am
IAD
- MDZ
1 stop16h 59m
Copa Airlines
Sun 8/91:25 am
MDZ
- IAD
1 stop14h 40m
Copa Airlines
Deal found 6/23![Copa Airlines logo]()
$839
This Avianca deal was found by Cheapflights users on 6/21. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/123:35 pm
IAD
- AEP
1 stop13h 05m
Avianca
Mon 7/277:00 am
AEP
- IAD
2 stops20h 45m
Avianca
Deal found 6/21![Avianca logo]()
$891
This Mytrip deal was found by Cheapflights users on 6/20. 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.
Fri 8/76:50 am
IAD
- AEP
1 stop21h 50m
Multiple Airlines
Sun 8/1612:55 pm
AEP
- IAD
3 stops41h 25m
Multiple Airlines
Deal found 6/20![Multiple Airlines logo]()
$1,115
This Copa Airlines deal was found by Cheapflights users on 6/23. 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 11/181:16 am
IAD
- COR
1 stop26h 38m
Copa Airlines
Mon 11/307:01 am
COR
- IAD
1 stop22h 18m
Copa Airlines
Deal found 6/23![Copa Airlines logo]()
$853
This Delta deal was found by Cheapflights users on 6/21. 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 7/1012:29 pm
IAD
- MDZ
2 stops21h 37m
Delta
Thu 7/167:35 am
MDZ
- IAD
2 stops34h 11m
Delta
Deal found 6/21![Delta logo]()
$966
This Mytrip deal was found by Cheapflights users on 6/19. 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 8/33:35 pm
IAD
- AEP
3 stops25h 38m
Multiple Airlines
Mon 8/1010:10 pm
AEP
- IAD
2 stops32h 10m
Multiple Airlines
Deal found 6/19![Multiple Airlines logo]()
$1,119
Last-minute flights from Dulles Intl to ArgentinaDiscover last-minute flight deals from Dulles Intl to Argentina. Data last updated June 23, 2026 and is based on user searches.
Discover last-minute flight deals from Dulles Intl to Argentina. Data last updated June 23, 2026 and is based on user searches.
This Copa Airlines deal was found by Cheapflights users on 6/23. 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.
Tue 6/234:38 pm
IAD
- EZE
1 stop28h 49m
Copa Airlines
Mon 6/293:48 am
EZE
- IAD
1 stop25h 33m
Copa Airlines
Deal found 6/23![Copa Airlines logo]()
$682
This FlightHub deal was found by Cheapflights users on 6/21. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/257:39 pm
IAD
- EZE
1 stop13h 06m
LATAM Airlines
Sat 6/278:10 pm
EZE
- IAD
1 stop14h 11m
LATAM Airlines
Deal found 6/21![LATAM Airlines logo]()
$694
This United Airlines deal was found by Cheapflights users on 6/23. 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.
Tue 6/3010:20 pm
IAD
- EZE
1 stop32h 40m
United Airlines
Thu 7/99:00 pm
EZE
- IAD
1 stop24h 46m
United Airlines
Deal found 6/23![United Airlines logo]()
$690
This United Airlines deal was found by Cheapflights users on 6/23. 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.
Wed 7/16:30 am
IAD
- EZE
1 stop24h 30m
United Airlines
Thu 7/99:00 pm
EZE
- IAD
1 stop24h 46m
United Airlines
Deal found 6/23![United Airlines logo]()
$681
This American Airlines deal was found by Cheapflights users on 6/23. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/112:00 pm
IAD
- EZE
2 stops19h 50m
American Airlines
Thu 7/910:35 pm
EZE
- IAD
2 stops24h 30m
American Airlines
Deal found 6/23![American Airlines logo]()
$685
This Copa Airlines deal was found by Cheapflights users on 6/19. 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.
Sat 7/46:25 am
IAD
- EZE
1 stop20h 50m
Copa Airlines
Tue 7/73:48 am
EZE
- IAD
1 stop25h 33m
Copa Airlines
Deal found 6/19![Copa Airlines logo]()
$655
This United Airlines deal was found by Cheapflights users on 6/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/66:20 am
IAD
- EZE
1 stop24h 40m
United Airlines
Thu 7/99:00 pm
EZE
- IAD
1 stop24h 46m
United Airlines
Deal found 6/21![United Airlines logo]()
$667
This Delta deal was found by Cheapflights users on 6/23. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/83:02 pm
IAD
- EZE
2 stops26h 48m
Delta
Tue 7/141:10 pm
EZE
- IAD
2 stops25h 51m
Delta
Deal found 6/23![Delta logo]()
$671
This United Airlines deal was found by Cheapflights users on 6/23. 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.
Wed 7/88:40 am
IAD
- EZE
1 stop22h 20m
United Airlines
Tue 7/149:00 pm
EZE
- IAD
1 stop28h 31m
United Airlines
Deal found 6/23![United Airlines logo]()
$676
This Delta deal was found by Cheapflights users on 6/20. 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.
Sat 7/116:00 am
IAD
- EZE
1 stop26h 45m
Delta
Mon 7/278:10 pm
EZE
- IAD
1 stop29h 31m
Delta
Deal found 6/20![Delta logo]()
$657
This Expedia deal was found by Cheapflights users on 6/21. 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.
Sun 7/128:27 am
IAD
- EZE
1 stop24h 18m
LATAM Airlines
Mon 7/278:10 pm
EZE
- IAD
1 stop29h 31m
LATAM Airlines
Deal found 6/21![LATAM Airlines logo]()
$691
This United Airlines deal was found by Cheapflights users on 6/23. 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.
Sun 7/196:30 am
IAD
- EZE
1 stop24h 30m
United Airlines
Tue 8/49:00 pm
EZE
- IAD
1 stop15h 28m
United Airlines
Deal found 6/23![United Airlines logo]()
$695
One-way flights from Dulles Intl to ArgentinaSearch for one-way flight options from Dulles Intl to Argentina. Find affordable one-way fares based on user searches. Data last updated June 23, 2026.
Search for one-way flight options from Dulles Intl to Argentina. Find affordable one-way fares based on user searches. Data last updated June 23, 2026.
This FlightHub deal was found by Cheapflights users on 6/22. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/85:46 pm
IAD
- EZE
2 stops24h 04m
LATAM Airlines
Deal found 6/22![LATAM Airlines logo]()
$302
This Copa Airlines deal was found by Cheapflights users on 6/22. 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.
Wed 7/86:25 am
IAD
- EZE
1 stop15h 02m
Copa Airlines
Deal found 6/22![Copa Airlines logo]()
$312
This LATAM Airlines deal was found by Cheapflights users on 6/18. 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 LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/71:00 pm
IAD
- AEP
2 stops24h 50m
LATAM Airlines
Deal found 6/18![LATAM Airlines logo]()
$315
This Delta deal was found by Cheapflights users on 6/22. 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.
Mon 7/67:39 pm
IAD
- EZE
2 stops22h 11m
Delta
Deal found 6/22![Delta logo]()
$315
This Kiwi.com deal was found by Cheapflights users on 6/22. 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 9/228:00 pm
IAD
- AEP
3 stops45h 20m
Multiple Airlines
Deal found 6/22![Multiple Airlines logo]()
$339
This Expedia deal was found by Cheapflights users on 6/21. 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.
Sat 8/227:59 pm
IAD
- AEP
2 stops41h 51m
LATAM Airlines
Deal found 6/21![LATAM Airlines logo]()
$343
This Expedia deal was found by Cheapflights users on 6/21. 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.
Sat 8/227:59 pm
IAD
- EZE
2 stops38h 31m
LATAM Airlines
Deal found 6/21![LATAM Airlines logo]()
$343
This Travelocity deal was found by Cheapflights users on 6/21. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/175:46 pm
IAD
- EZE
2 stops48h 04m
LATAM Airlines
Deal found 6/21![LATAM Airlines logo]()
$344
This Kiwi.com deal was found by Cheapflights users on 6/21. 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 8/44:34 pm
IAD
- EZE
1 stop35h 02m
Copa Airlines
Deal found 6/21![Copa Airlines logo]()
$354
This United deal was found by Cheapflights users on 6/22. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/175:45 pm
IAD
- ROS
2 stops29h 27m
Multiple Airlines
Deal found 6/22![Multiple Airlines logo]()
$367
This LATAM Airlines deal was found by Cheapflights users on 6/18. 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 LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/163:13 pm
IAD
- AEP
2 stops27h 27m
LATAM Airlines
Deal found 6/18![LATAM Airlines logo]()
$405
This Kiwi.com deal was found by Cheapflights users on 6/21. 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.
Sat 8/227:00 am
IAD
- AEP
3 stops48h 30m
Multiple Airlines
Deal found 6/21![Multiple Airlines logo]()
$407
Find flight deals from Dulles Intl to Argentina
Keep the following information in mind while searching for Dulles Intl to Argentina flight deals. Data was last updated June 23, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $655 (Copa Airlines) |
One-way from | $302 (FlightHub) |
Popular in | December |
Cheapest in | August |
Average price | $790 |
Cheapflights Fare Finder
Customize your flight search to find flights from Dulles Intl to Argentina 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 June 23, 2026.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Argentina that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Washington, D.C.Buenos Aires
IAD - EZE
IADEZE
Washington, D.C. Dulles Intl
Wed 7/8
5:46 pm-6:50 pm
2 stops24h 04m
Buenos Aires Ministro Pistarini
Tue 7/14
1:10 pm-4:46 pm
2 stops28h 36m
$671
Washington, D.C.Buenos Aires
IAD - EZE
IADEZE
Washington, D.C. Dulles Intl
Fri 7/10
8:40 am-8:00 am
1 stop22h 20m
Buenos Aires Ministro Pistarini
Fri 7/31
9:00 pm-12:31 am
1 stop28h 31m
$676
Washington, D.C.Buenos Aires
IAD - EZE
IADEZE
Washington, D.C. Dulles Intl
Thu 7/2
8:40 am-8:00 am
1 stop22h 20m
Buenos Aires Ministro Pistarini
Fri 7/10
9:00 pm-11:33 am
1 stop15h 33m
$695
Washington, D.C.Buenos Aires
IAD - EZE
IADEZE
Washington, D.C. Dulles Intl
Fri 7/10
8:40 am-8:00 am
1 stop22h 20m
Buenos Aires Ministro Pistarini
Thu 8/20
9:00 pm-11:28 am
1 stop15h 28m
$695
Washington, D.C.Buenos Aires
IAD - EZE
IADEZE
Washington, D.C. Dulles Intl
Fri 7/10
7:26 pm-9:45 am
1 stop13h 19m
Buenos Aires Ministro Pistarini
Thu 8/20
1:10 pm-6:09 pm
2 stops29h 59m
$699
Washington, D.C.Buenos Aires
IAD - EZE
IADEZE
Washington, D.C. Dulles Intl
Wed 7/15
6:25 am-4:15 am
1 stop20h 50m
Buenos Aires Ministro Pistarini
Wed 7/22
12:10 am-1:47 am
1 stop26h 37m
$705
Washington, D.C.Buenos Aires
IAD - EZE
IADEZE
Washington, D.C. Dulles Intl
Mon 9/14
4:34 pm-12:51 am
1 stop31h 17m
Buenos Aires Ministro Pistarini
Mon 9/21
2:49 pm-4:20 am
1 stop14h 31m
$710
Washington, D.C.Buenos Aires
IAD - EZE
IADEZE
Washington, D.C. Dulles Intl
Thu 7/2
6:25 am-10:27 pm
1 stop15h 02m
Buenos Aires Ministro Pistarini
Sun 7/5
2:49 pm-3:05 pm
1 stop25h 16m
$719
Washington, D.C.Buenos Aires
IAD - EZE
IADEZE
Washington, D.C. Dulles Intl
Fri 7/3
3:02 pm-9:45 am
1 stop17h 43m
Buenos Aires Ministro Pistarini
Mon 8/10
8:10 pm-9:20 am
1 stop14h 10m
$722
Washington, D.C.Buenos Aires
IAD - EZE
IADEZE
Washington, D.C. Dulles Intl
Mon 8/17
3:03 pm-9:45 am
1 stop17h 42m
Buenos Aires Ministro Pistarini
Mon 8/24
8:10 pm-4:42 pm
1 stop21h 32m
$722
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Dulles Intl to Argentina
Have a flexible travel schedule? Discover the best time to fly to Argentina from Dulles Intl with our price prediction graph.
IAD-EZE
IAD-ROS
IAD-BRC
IAD-AEP
IAD-MDZ
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 Washington, D.C. Dulles Intl Airport to Argentina
IAD-AR0
IAD-EZE
IAD-ROS
IAD-BRC
IAD-AEP
What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Argentina?
Currently, April is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Argentina (average of $229). Flying from Washington, D.C. Dulles Intl Airport to Argentina in May is currently the most expensive (average of $581). 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 far ahead should I book a flight from Washington, D.C. Dulles Intl Airport to Argentina?
The best time to book flights from Washington, D.C. Dulles Intl Airport to Argentina is 21 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
Reviews of airlines servicing Argentina
Get insights into the airlines that provide service to Argentina. 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 Argentina. Reviews last updated June 23, 2026.
Read through reviews of airlines operating flights from Washington, D.C. Dulles Intl Airport to Argentina, such as Delta,Copa Airlines, andLATAM Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Comfort
7.8
Food
7.2
Crew
8.5
Overall
7.8
Boarding
8.1
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Comfort
7.8
Food
7.2
Crew
8.5
Overall
7.8
Boarding
8.1
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Comfort
7.8
Food
7.2
Crew
8.5
Overall
7.8
Boarding
8.1
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Comfort
7.8
Food
7.2
Crew
8.5
Overall
7.8
Boarding
8.1
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Comfort
7.8
Food
7.2
Crew
8.5
Overall
7.8
Boarding
8.1
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Comfort
7.8
Food
7.2
Crew
8.5
Overall
7.8
Boarding
8.1
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Related info for your journey
Find useful and relevant information for your journey from Dulles Intl to Argentina. 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 Dulles Intl to Argentina
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Complete your trip
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Dulles Intl and Argentina flights
Browse other Dulles Intl and Argentina flight options. Last updated on June 23, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Dulles Intl to Argentina flights
Consider these flights traveling from Dulles Intl to Argentina.
Top 5 airlines flying from Dulles Intl to Argentina
Discover the top 5 airlines that operate flights from Dulles Intl to Argentina. 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 June 23, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$274 | Average$890 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$280 | Average$950 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$346 | Average$915 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$486 | Average$639 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$635 | Average$741 | FlexibilityNo cancel fee | On-time81% |