$410+ 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 3/13. Fares are subject to change and may not be available on all flights or dates of travel.
BUE — IAD
Dec 4 — Dec 111
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Buenos Aires to Dulles Intl 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 Buenos Aires to Dulles Intl
Cheapest
Best
Last-minute
One-way
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 November 4, 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 November 4, 2026.
This Copa Airlines deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/219:10 am -
1 stop20h 09m
Tue 1/51:13 am -
1 stop25h 12m
Deal found 11/3![Copa Airlines logo]()
$607
This United Airlines deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1811:55 pm -
1 stop24h 49m
Mon 12/72:24 pm -
1 stop14h 56m
Deal found 11/2![United Airlines logo]()
$612
This American Airlines deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” 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.
Sun 12/1310:30 pm -
1 stop17h 18m
Mon 3/157:16 am -
1 stop23h 14m
Deal found 11/2![American Airlines logo]()
$613
This United Airlines deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1810:05 pm -
1 stop15h 23m
Wed 12/212:55 pm -
1 stop18h 25m
Deal found 11/3![United Airlines logo]()
$621
This FlightHub deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” 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 11/114:50 pm -
1 stop22h 20m
Tue 11/175:50 am -
1 stop31h 50m
Deal found 11/2![Avianca logo]()
$631
This FlightHub deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” 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 11/117:05 am -
1 stop23h 25m
Tue 11/175:50 am -
1 stop21h 50m
Deal found 11/2![Avianca logo]()
$631
This United Airlines deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/710:05 pm -
1 stop15h 21m
Thu 12/1012:55 pm -
1 stop18h 25m
Deal found 11/3![United Airlines logo]()
$640
This American Airlines deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” 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.
Mon 12/2111:20 pm -
2 stops24h 53m
Mon 1/46:00 am -
2 stops23h 10m
Deal found 11/2![American Airlines logo]()
$645
This Trip.com deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/29:10 am -
1 stop20h 09m
Wed 12/93:30 pm -
1 stop32h 40m
Deal found 11/4![Copa Airlines logo]()
$649
This Trip.com deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” 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 12/32:45 pm -
1 stop14h 34m
Thu 12/103:30 pm -
1 stop32h 40m
Deal found 11/2![Copa Airlines logo]()
$652
This Copa Airlines deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/304:28 am -
1 stop24h 51m
Sun 12/68:25 am -
1 stop18h 00m
Deal found 11/2![Copa Airlines logo]()
$668
This FlightHub deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” 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.
Tue 11/107:25 am -
1 stop31h 45m
Tue 11/175:50 am -
1 stop31h 50m
Deal found 11/2![Avianca logo]()
$670
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 November 4, 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 November 4, 2026.
This United Airlines deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1810:05 pm -
1 stop15h 23m
Wed 12/212:55 pm -
1 stop18h 25m
Deal found 11/3![United Airlines logo]()
$621
This Delta deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” 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 2/238:05 pm -
2 stops17h 42m
Tue 3/27:15 am -
2 stops24h 35m
Deal found 11/2![Delta logo]()
$705
This Copa Airlines deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” 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 5/34:00 pm -
1 stop30h 44m
Sun 5/162:14 am -
1 stop20h 09m
Deal found 11/1![Copa Airlines logo]()
$759
This Avianca deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” 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 3/17:05 am -
1 stop23h 25m
Wed 3/105:50 am -
1 stop21h 50m
Deal found 11/1![Avianca logo]()
$1,013
This Kiwi.com deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” 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 11/2810:10 pm -
2 stops31h 05m
Sat 12/52:30 pm -
1 stop13h 10m
Deal found 10/31![Multiple Airlines logo]()
$1,173
This United Airlines deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/710:05 pm -
1 stop15h 21m
Thu 12/1012:55 pm -
1 stop18h 25m
Deal found 11/3![United Airlines logo]()
$640
This Delta deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” 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 11/208:05 pm -
2 stops22h 18m
Sat 12/511:30 am -
2 stops21h 25m
Deal found 11/2![Delta logo]()
$705
This LATAM Airlines deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” 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.
Thu 12/244:40 am -
2 stops20h 16m
Sat 1/95:55 pm -
2 stops20h 05m
Deal found 10/30![LATAM Airlines logo]()
$1,543
This Delta deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” 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 3/18:05 pm -
2 stops17h 42m
Wed 3/104:00 pm -
2 stops15h 50m
Deal found 11/2![Delta logo]()
$705
This United Airlines deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” 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 12/2211:55 pm -
1 stop24h 46m
Mon 1/1112:50 pm -
1 stop16h 30m
Deal found 11/1![United Airlines logo]()
$714
This Copa Airlines deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” 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 12/2212:05 am -
1 stop28h 49m
Tue 12/291:18 am -
1 stop21h 34m
Deal found 10/30![Copa Airlines logo]()
$842
This Delta deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1911:35 pm -
1 stop14h 02m
Thu 1/73:15 pm -
1 stop16h 25m
Deal found 10/30![Delta logo]()
$714
This Copa Airlines deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/209:10 am -
1 stop20h 09m
Wed 12/301:18 am -
1 stop28h 42m
Deal found 11/4![Copa Airlines logo]()
$846
This Delta deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” 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 12/2311:35 pm -
1 stop25h 21m
Wed 1/136:15 pm -
1 stop14h 40m
Deal found 11/1![Delta logo]()
$727
This FlightHub deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” 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 11/187:05 am -
1 stop23h 25m
Wed 12/22:30 pm -
1 stop13h 10m
Deal found 11/2![Avianca logo]()
$1,232
This Mytrip deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” 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.
Sun 1/318:40 am -
3 stops32h 15m
Thu 2/49:55 am -
2 stops28h 05m
Deal found 11/2![Multiple Airlines logo]()
$1,362
This Trip.com deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” 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.
Wed 1/207:05 am -
1 stop23h 25m
Thu 2/42:30 pm -
1 stop13h 10m
Deal found 11/1![Avianca logo]()
$1,259
This FlightHub deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” 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 11/2012:55 pm -
2 stops24h 57m
Fri 11/2711:58 am -
2 stops26h 02m
Deal found 10/30![LATAM Airlines logo]()
$1,550
This oojo deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” 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.
Mon 1/257:05 am -
2 stops22h 10m
Mon 2/152:30 pm -
1 stop13h 10m
Deal found 11/1![Avianca logo]()
$1,350
This oojo deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” 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 12/2512:20 pm -
2 stops26h 50m
Fri 1/82:30 pm -
1 stop13h 10m
Deal found 10/30![Multiple Airlines logo]()
$1,527
This Cheapflightsfares deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/244:40 am -
2 stops20h 16m
Sun 2/147:15 am -
2 stops23h 15m
Deal found 11/1![LATAM Airlines logo]()
$1,554
This Cheapflightsfares deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/207:05 am -
1 stop23h 25m
Fri 11/275:50 am -
1 stop21h 50m
Deal found 10/30![Avianca logo]()
$1,407
This KAYAK deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” 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.
Mon 1/185:35 pm -
2 stops20h 28m
Fri 1/2210:56 am -
2 stops18h 44m
Deal found 11/2![Delta logo]()
$1,636
Last-minute flights from Buenos Aires to Dulles IntlDiscover last-minute flight deals from Buenos Aires to Dulles Intl. Data last updated November 4, 2026 and is based on user searches.
Discover last-minute flight deals from Buenos Aires to Dulles Intl. Data last updated November 4, 2026 and is based on user searches.
This FlightHub deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” 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.
Tue 11/107:25 am -
1 stop31h 45m
Tue 11/175:50 am -
1 stop31h 50m
Deal found 11/2![Avianca logo]()
$670
This FlightHub deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” 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 11/114:50 pm -
1 stop22h 20m
Tue 11/175:50 am -
1 stop31h 50m
Deal found 11/2![Avianca logo]()
$631
This FlightHub deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” 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 11/117:05 am -
1 stop23h 25m
Tue 11/175:50 am -
1 stop21h 50m
Deal found 11/2![Avianca logo]()
$631
This United Airlines deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1811:55 pm -
1 stop24h 49m
Mon 12/72:24 pm -
1 stop14h 56m
Deal found 11/2![United Airlines logo]()
$612
This United Airlines deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1810:05 pm -
1 stop15h 23m
Wed 12/212:55 pm -
1 stop18h 25m
Deal found 11/3![United Airlines logo]()
$621
This Copa Airlines deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/304:28 am -
1 stop24h 51m
Sun 12/68:25 am -
1 stop18h 00m
Deal found 11/2![Copa Airlines logo]()
$668
This Trip.com deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/29:10 am -
1 stop20h 09m
Wed 12/93:30 pm -
1 stop32h 40m
Deal found 11/4![Copa Airlines logo]()
$649
This Trip.com deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” 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 12/32:45 pm -
1 stop14h 34m
Thu 12/103:30 pm -
1 stop32h 40m
Deal found 11/2![Copa Airlines logo]()
$652
This United Airlines deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/710:05 pm -
1 stop15h 21m
Thu 12/1012:55 pm -
1 stop18h 25m
Deal found 11/3![United Airlines logo]()
$640
This American Airlines deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” 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.
Sun 12/1310:30 pm -
1 stop17h 18m
Mon 3/157:16 am -
1 stop23h 14m
Deal found 11/2![American Airlines logo]()
$613
This Copa Airlines deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/219:10 am -
1 stop20h 09m
Tue 1/51:13 am -
1 stop25h 12m
Deal found 11/3![Copa Airlines logo]()
$607
This American Airlines deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” 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.
Mon 12/2111:20 pm -
2 stops24h 53m
Mon 1/46:00 am -
2 stops23h 10m
Deal found 11/2![American Airlines logo]()
$645
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 November 4, 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 November 4, 2026.
This Kiwi.com deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” 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 3/138:00 pm -
2 stops34h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![Multiple Airlines logo]()
$410
This Kiwi.com deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” 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 3/1110:50 pm -
2 stops40h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![Multiple Airlines logo]()
$420
This Kiwi.com deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” 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 3/2210:50 pm -
2 stops40h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![Multiple Airlines logo]()
$422
This Kiwi.com deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/110:50 pm -
2 stops31h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/3![Multiple Airlines logo]()
$424
This Kiwi.com deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/99:06 pm -
3 stops52h 26m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/3![Multiple Airlines logo]()
$428
This Kiwi.com deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” 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 12/168:05 pm -
2 stops26h 49m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/1![Multiple Airlines logo]()
$431
This Kiwi.com deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/117:10 pm -
2 stops20h 48m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![Multiple Airlines logo]()
$437
This Kiwi.com deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/126:45 am -
3 stops42h 48m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/3![Multiple Airlines logo]()
$445
This Kiwi.com deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” 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 3/118:45 pm -
3 stops42h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![Multiple Airlines logo]()
$446
This Kiwi.com deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” 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 3/1010:50 pm -
2 stops31h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![Multiple Airlines logo]()
$446
This Kiwi.com deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” 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 12/177:35 pm -
3 stops50h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![Multiple Airlines logo]()
$448
This Kiwi.com deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1210:30 pm -
2 stops27h 03m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/3![Multiple Airlines logo]()
$450
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 November 4, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $595 (American Airlines) |
One-way from | $410 (Kiwi.com) |
Popular in | November |
Cheapest in | December |
Average price | $964 |
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 November 4, 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
Wed 11/11
6:10 am-11:33 pm
3 stops43h 23m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$470
Buenos AiresWashington, D.C.
AEP Buenos Aires Jorge Newbery - IAD Washington, D.C. Dulles Intl
AEPIAD
Buenos Aires Jorge Newbery
Fri 12/4
5:45 am-11:32 pm
2 stops19h 47m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$482
Buenos AiresWashington, D.C.
AEP Buenos Aires Jorge Newbery - IAD Washington, D.C. Dulles Intl
AEPIAD
Buenos Aires Jorge Newbery
Sat 4/24
5:45 am-3:55 pm
3 stops35h 10m
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
Tue 2/2
7:35 pm-4:30 am
2 stops34h 55m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$521
Buenos AiresWashington, D.C.
AEP Buenos Aires Jorge Newbery - IAD Washington, D.C. Dulles Intl
AEPIAD
Buenos Aires Jorge Newbery
Tue 3/16
7:05 am-5:30 am
1 stop23h 25m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$576
Quickest round-trip
Buenos AiresWashington, D.C.
EZE Buenos Aires Ministro Pistarini - IAD Washington, D.C. Dulles Intl
EZEIAD
Buenos Aires Ministro Pistarini
Sat 1/30
4:50 pm-4:30 am
1 stop13h 40m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$579
Buenos AiresWashington, D.C.
AEP Buenos Aires Jorge Newbery - IAD Washington, D.C. Dulles Intl
AEPIAD
Buenos Aires Jorge Newbery
Wed 11/25
7:05 am-1:35 am
2 stops20h 30m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$580
Buenos AiresWashington, D.C.
EZE Buenos Aires Ministro Pistarini - IAD Washington, D.C. Dulles Intl
EZEIAD
Buenos Aires Ministro Pistarini
Tue 11/24
3:40 am-11:33 pm
1 stop21h 53m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$588
Buenos AiresWashington, D.C.
EZE Buenos Aires Ministro Pistarini - IAD Washington, D.C. Dulles Intl
EZEIAD
Buenos Aires Ministro Pistarini
Fri 3/19
9:04 am-9:44 pm
1 stop13h 40m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$588
Buenos AiresWashington, D.C.
AEP Buenos Aires Jorge Newbery - IAD Washington, D.C. Dulles Intl
AEPIAD
Buenos Aires Jorge Newbery
Tue 3/2
7:05 am-4:30 am
1 stop23h 25m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$588
Showing 1-10 of 41 resultsSorted by cheapest first
Compare providers for flights from Buenos Aires to Dulles Intl
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 Buenos Aires to Dulles Intl in November.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy2 stars | 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 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 $738). Flying from Buenos Aires to Washington, D.C. Dulles Intl Airport in October is currently the most expensive (average of $910). 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 November 4, 2026.
Get a feel of what it's like to fly with 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.
Entertainment
5.3
Comfort
6.1
Crew
7.2
Food
5.0
Boarding
6.9
Overall
6.5
Reviews
1 / 20
6.0
GoodAnonymous,Aug 2026
BOG - ORD
Entertainment
5.3
Comfort
6.1
Crew
7.2
Food
5.0
Boarding
6.9
Overall
6.5
Reviews
1 / 20
6.0
GoodAnonymous,Aug 2026
BOG - ORD
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
Chantilly
Woodbridge
Arlington
Sterling
Lanham
Reston
Herndon
Hyattsville
Springfield
Fredericksburg
Falls Church
Towson
Silver Spring
Rockville
Oxon Hill
Laurel
Clinton
Hunt Valley
Owings Mills
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Complete your trip
Dulles Intl flight routes
Flights by cabin class
Other flight options
Other flights from Buenos Aires
Popular flights
Complete your trip
Complete your trip to Dulles Intl by adding a car rental and/or hotel reservation to your travel itinerary.
Other flights to Dulles Intl
Explore flights to Dulles Intl departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on November 4, 2026.
Search flights from Buenos Aires to Dulles Intl by cabin class
Find flights from Buenos Aires to Dulles Intl, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Buenos Aires and Dulles Intl flights
Browse other Buenos Aires and Dulles Intl flight options. Last updated on November 4, 2026.
Other flights from Buenos Aires
Browse through other flights departing from Buenos Aires. Flights are based on user searches made on Cheapflights and were last updated on November 4, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
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 November 4, 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% |