$394+ Cheap flights from Buenos Aires (BUE) to Dulles Intl (IAD)
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 11/7. Fares are subject to change and may not be available on all flights or dates of travel.
BUE — IAD
Oct 20 — Oct 271
Round-trip
1 adult, Economy
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1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Cheapest flights from Buenos Aires to Dulles IntlExplore the most affordable flight options available from Buenos Aires to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 20, 2026.
Explore the most affordable flight options available from Buenos Aires to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 20, 2026.
This American Airlines deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” 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.
Fri 10/1610:30 pm -
2 stops26h 28m
Sat 11/147:00 am -
2 stops22h 20m
Deal found 9/16![American Airlines logo]()
$702
This Avianca deal was found by Cheapflights users on 9/17. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/74:50 pm -
1 stop13h 30m
Wed 10/143:35 pm -
1 stop13h 05m
Deal found 9/17![Avianca logo]()
$705
This Avianca deal was found by Cheapflights users on 9/17. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/157:10 am -
2 stops20h 35m
Thu 10/223:35 pm -
1 stop13h 05m
Deal found 9/17![Avianca logo]()
$706
This Copa Airlines deal was found by Cheapflights users on 9/18. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/172:45 pm -
1 stop14h 34m
Sun 1/101:13 am -
1 stop19h 07m
Deal found 9/18![Copa Airlines logo]()
$723
This Delta deal was found by Cheapflights users on 9/17. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/189:30 pm -
1 stop13h 39m
Wed 12/23:00 pm -
2 stops16h 50m
Deal found 9/17![Delta logo]()
$726
This Delta deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” 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 11/188:05 pm -
1 stop17h 47m
Thu 11/265:35 pm -
1 stop15h 20m
Deal found 9/15![Delta logo]()
$730
This SmartFares deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/257:10 am -
1 stop32h 05m
Sat 10/33:35 pm -
1 stop13h 05m
Deal found 9/16![Avianca logo]()
$732
This Expedia deal was found by Cheapflights users on 9/17. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/189:30 pm -
1 stop16h 07m
Wed 12/210:11 am -
1 stop21h 29m
Deal found 9/17![LATAM Airlines logo]()
$734
This Delta deal was found by Cheapflights users on 9/18. 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.
Mon 12/1411:35 pm -
1 stop14h 04m
Sat 1/94:00 pm -
1 stop15h 40m
Deal found 9/18![Delta logo]()
$735
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.
Wed 12/163:50 pm -
2 stops19h 26m
Mon 1/116:40 am -
2 stops23h 00m
Deal found 9/19![LATAM Airlines logo]()
$735
This Rumbo deal was found by Cheapflights users on 9/18. 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 Rumbo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/157:35 pm -
2 stops18h 04m
Fri 1/154:00 pm -
1 stop15h 40m
Deal found 9/18![LATAM Airlines logo]()
$736
This Avianca 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/237:10 am -
2 stops20h 35m
Thu 10/16:50 am -
1 stop21h 50m
Deal found 9/20![Avianca logo]()
$745
Best flights from Buenos Aires to Dulles IntlDiscover carefully curated flight deals from Buenos Aires to Dulles Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 20, 2026.
Discover carefully curated flight deals from Buenos Aires to Dulles Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 20, 2026.
This Copa Airlines deal was found by Cheapflights users on 9/18. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/283:50 am -
1 stop25h 27m
Wed 3/103:46 pm -
1 stop21h 14m
Deal found 9/18![Copa Airlines logo]()
$723
This Delta deal was found by Cheapflights users on 9/17. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/189:30 pm -
1 stop13h 39m
Wed 12/23:00 pm -
2 stops16h 50m
Deal found 9/17![Delta logo]()
$726
This Avianca 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/267:05 am -
1 stop23h 25m
Thu 5/203:35 pm -
1 stop13h 05m
Deal found 9/19![Avianca logo]()
$776
This Mytrip deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” 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 10/199:30 pm -
3 stops30h 15m
Sun 10/253:30 pm -
3 stops29h 30m
Deal found 9/15![Multiple Airlines logo]()
$1,153
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.
Mon 3/111:35 pm -
1 stop20h 51m
Wed 3/104:00 pm -
2 stops15h 50m
Deal found 9/19![Delta logo]()
$726
This Copa Airlines deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” 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 11/111:07 pm -
2 stops26h 26m
Sat 11/71:16 am -
1 stop24h 42m
Deal found 9/16![Copa Airlines logo]()
$778
This SmartFares deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/127:05 am -
1 stop32h 05m
Sat 11/285:50 am -
1 stop21h 50m
Deal found 9/15![Avianca logo]()
$799
This Delta deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” 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 11/189:30 pm -
1 stop13h 39m
Thu 11/263:00 pm -
2 stops16h 50m
Deal found 9/15![Delta logo]()
$730
This Avianca 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/57:05 am -
1 stop32h 05m
Tue 11/173:00 am -
2 stops24h 40m
Deal found 9/20![Avianca logo]()
$811
This PocketFare deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure PocketFare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/307:05 am -
1 stop23h 25m
Tue 11/105:50 am -
1 stop21h 50m
Deal found 9/16![Avianca logo]()
$875
Last-minute flights from Buenos Aires to Dulles IntlDiscover last-minute flight deals from Buenos Aires to Dulles Intl. Data last updated September 20, 2026 and is based on user searches.
Discover last-minute flight deals from Buenos Aires to Dulles Intl. Data last updated September 20, 2026 and is based on user searches.
This Avianca 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/237:10 am -
2 stops20h 35m
Thu 10/16:50 am -
1 stop21h 50m
Deal found 9/20![Avianca logo]()
$745
This SmartFares deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/257:10 am -
1 stop32h 05m
Sat 10/33:35 pm -
1 stop13h 05m
Deal found 9/16![Avianca logo]()
$732
This SmartFares deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/257:10 am -
1 stop32h 05m
Fri 10/25:45 am -
2 stops46h 55m
Deal found 9/16![Avianca logo]()
$762
This Avianca deal was found by Cheapflights users on 9/17. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/74:50 pm -
1 stop13h 30m
Wed 10/143:35 pm -
1 stop13h 05m
Deal found 9/17![Avianca logo]()
$705
This SmartFares deal was found by Cheapflights users on 9/17. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/77:00 am -
1 stop23h 20m
Wed 10/146:50 am -
1 stop21h 50m
Deal found 9/17![Avianca logo]()
$800
This Orbitz 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/77:00 am -
1 stop23h 20m
Sat 10/105:45 am -
2 stops22h 55m
Deal found 9/19![Avianca logo]()
$860
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/97:10 am -
1 stop32h 05m
Sat 10/243:35 pm -
1 stop23h 05m
Deal found 9/19![Avianca logo]()
$770
This Avianca deal was found by Cheapflights users on 9/17. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/157:10 am -
2 stops20h 35m
Thu 10/223:35 pm -
1 stop13h 05m
Deal found 9/17![Avianca logo]()
$706
This American Airlines deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” 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.
Fri 10/1610:30 pm -
2 stops26h 28m
Sat 11/147:00 am -
2 stops22h 20m
Deal found 9/16![American Airlines logo]()
$702
This Avianca 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/237:10 am -
2 stops20h 35m
Tue 11/35:50 am -
1 stop16h 40m
Deal found 9/20![Avianca logo]()
$726
This PocketFare deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure PocketFare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/307:05 am -
1 stop23h 25m
Tue 11/105:50 am -
1 stop21h 50m
Deal found 9/16![Avianca logo]()
$875
This Mytrip deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” 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 10/315:45 am -
2 stops24h 45m
Sat 11/72:30 pm -
2 stops18h 50m
Deal found 9/16![Multiple Airlines logo]()
$835
One-way flights from Buenos Aires to Dulles IntlSearch for one-way flight options from Buenos Aires to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated September 20, 2026.
Search for one-way flight options from Buenos Aires to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated September 20, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/710:10 pm -
2 stops27h 23m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Multiple Airlines logo]()
$394
This Kiwi.com deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” 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 10/56:00 am -
3 stops53h 17m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Multiple Airlines logo]()
$401
This Kiwi.com deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” 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 10/56:11 pm -
3 stops41h 06m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Multiple Airlines logo]()
$407
This Kiwi.com deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/25:20 am -
2 stops30h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Multiple Airlines logo]()
$429
This Kiwi.com deal was found by Cheapflights users on 9/18. 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.
Sat 11/76:00 am -
3 stops43h 33m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/18![Multiple Airlines logo]()
$432
This Kiwi.com deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” 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 11/65:45 am -
2 stops19h 48m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Multiple Airlines logo]()
$432
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.
Thu 12/105:20 am -
2 stops23h 59m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/20![Multiple Airlines logo]()
$435
This Kiwi.com deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” 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 10/610:10 pm -
2 stops27h 22m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Multiple Airlines logo]()
$443
This Trip.com deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/59:30 pm -
2 stops41h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Multiple Airlines logo]()
$447
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.
Thu 2/1110:10 pm -
3 stops29h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/19![Multiple Airlines logo]()
$448
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.
Sat 9/2610:10 pm -
2 stops32h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/19![Multiple Airlines logo]()
$449
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.
Thu 12/245:20 am -
2 stops23h 59m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/19![Multiple Airlines logo]()
$451
Find flight deals from Buenos Aires to Dulles Intl
Discover tips and strategies to find the most affordable flight options for your journey from Buenos Aires (BUE) to Dulles Intl (IAD). 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 20, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $702 (American Airlines) |
One-way from | $394 (Kiwi.com) |
Popular in | October |
Cheapest in | September |
Average price | $728 |
Cheapflights Fare Finder
Customize your flight search to find flights from Buenos Aires to Dulles Intl 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 20, 2026.
Use the filters below to find and compare flights from Buenos Aires to Washington, D.C. Dulles Intl Airport that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Buenos AiresWashington, D.C.
AEP Buenos Aires Jorge Newbery - IAD Washington, D.C. Dulles Intl
AEPIAD
Buenos Aires Jorge Newbery
Thu 12/10
5:20 am-3:19 am
2 stops23h 59m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$435
Buenos AiresWashington, D.C.
AEP Buenos Aires Jorge Newbery - IAD Washington, D.C. Dulles Intl
AEPIAD
Buenos Aires Jorge Newbery
Sun 11/8
7:30 pm-3:15 am
3 stops57h 45m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$449
Buenos AiresWashington, D.C.
EZE Buenos Aires Ministro Pistarini - IAD Washington, D.C. Dulles Intl
EZEIAD
Buenos Aires Ministro Pistarini
Fri 11/6
11:20 am-4:30 am
2 stops19h 10m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$467
Buenos AiresWashington, D.C.
AEP Buenos Aires Jorge Newbery - IAD Washington, D.C. Dulles Intl
AEPIAD
Buenos Aires Jorge Newbery
Fri 11/6
10:30 pm-1:35 am
3 stops29h 05m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$477
Buenos AiresWashington, D.C.
AEP Buenos Aires Jorge Newbery - IAD Washington, D.C. Dulles Intl
AEPIAD
Buenos Aires Jorge Newbery
Sat 10/3
10:10 pm-12:32 am
2 stops27h 22m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$478
Buenos AiresWashington, D.C.
EZE Buenos Aires Ministro Pistarini - IAD Washington, D.C. Dulles Intl
EZEIAD
Buenos Aires Ministro Pistarini
Sun 11/8
7:30 pm-3:15 am
2 stops33h 45m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$488
Buenos AiresWashington, D.C.
AEP Buenos Aires Jorge Newbery - IAD Washington, D.C. Dulles Intl
AEPIAD
Buenos Aires Jorge Newbery
Sat 11/7
11:55 am-2:55 pm
3 stops29h 00m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$519
Buenos AiresWashington, D.C.
EZE Buenos Aires Ministro Pistarini - IAD Washington, D.C. Dulles Intl
EZEIAD
Buenos Aires Ministro Pistarini
Wed 12/2
9:10 pm-5:32 pm
2 stops22h 22m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$524
Buenos AiresWashington, D.C.
EZE Buenos Aires Ministro Pistarini - IAD Washington, D.C. Dulles Intl
EZEIAD
Buenos Aires Ministro Pistarini
Sat 11/7
11:07 pm-11:33 pm
2 stops26h 26m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$538
Buenos AiresWashington, D.C.
EZE Buenos Aires Ministro Pistarini - IAD Washington, D.C. Dulles Intl
EZEIAD
Buenos Aires Ministro Pistarini
Tue 11/24
2:02 am-3:15 am
1 stop27h 13m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$538
Showing 1-10 of 25 resultsSorted by cheapest first
- Most accurate provider: When it comes to deals on Buenos Aires-Washington, D.C. Dulles Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Buenos Aires-Washington, D.C. Dulles Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Buenos Aires-Washington, D.C. Dulles Intl Airport flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Buenos Aires-Washington, D.C. Dulles Intl Airport flights, Cheapflights users trust FlightHub the most. FlightHub 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 Buenos Aires-Washington, D.C. Dulles Intl Airport 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 Buenos Aires to Dulles Intl
Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Buenos Aires with our price prediction graph.
BUE-IAD
AEP-IAD
EZE-IAD
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 Buenos Aires to Washington, D.C. Dulles Intl Airport
BUE-IAD
AEP-IAD
EZE-IAD
What is the cheapest month to book a flight from Buenos Aires to Washington, D.C. Dulles Intl Airport?
Currently, July is the cheapest month in which you can book a flight from Buenos Aires to Washington, D.C. Dulles Intl Airport (average of $726). Flying from Buenos Aires to Washington, D.C. Dulles Intl Airport in October is currently the most expensive (average of $925). 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 Dulles Intl
Get insights into the airlines that provide service to Dulles Intl. 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 Dulles Intl. Reviews last updated September 20, 2026.
Get a feel of what it's like to fly with American Airlines and Avianca from Buenos Aires to Washington, D.C. Dulles Intl Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
6.4
Crew
7.9
Overall
7.0
Boarding
7.4
Comfort
7.2
Entertainment
6.8
Reviews
1 / 20
8.0
ExcellentOlwin,Jul 2026
MCO - DCA
Food
6.4
Crew
7.9
Overall
7.0
Boarding
7.4
Comfort
7.2
Entertainment
6.8
Reviews
1 / 20
8.0
ExcellentOlwin,Jul 2026
MCO - DCA
Food
6.4
Crew
7.9
Overall
7.0
Boarding
7.4
Comfort
7.2
Entertainment
6.8
Reviews
1 / 20
8.0
ExcellentOlwin,Jul 2026
MCO - DCA
Related info for your journey
Find useful and relevant information for your journey from Buenos Aires to Dulles Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Washington, D.C. Dulles Intl Airport?
Book flights to Washington, D.C. Dulles Intl Airport if you plan to visit one of these locationsAlexandria
Arlington
Owings Mills
Lanham
Tysons
Chantilly
Woodbridge
Reston
Herndon
Hyattsville
Rockville
Fredericksburg
Falls Church
Sterling
Hanover
Laurel
Springfield
Oxon Hill
Clinton
Hunt Valley
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Top 3 airlines flying from Buenos Aires to Dulles Intl
Discover the top 3 airlines that operate flights from Buenos Aires to Dulles Intl. 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 20, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$232 | Average$695 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$315 | Average$943 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$378 | Average$656 | FlexibilityNo cancel fee | On-time70% |