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Washington, D.C.

$368+ Cheap flights from Argentina to Washington, D.C. (WAS)

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 8/3. Fares are subject to change and may not be available on all flights or dates of travel.
EZE — WAS
Jun 9 — Jun 161
Tue 6/9
Tue 6/16
1 adult, Economy
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Cheap flight deals from Argentina to Washington, D.C.

Cheapest flights from Argentina to Washington, D.C.
Explore the most affordable flight options available from Argentina to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 10, 2026.

This American Airlines deal was found by Cheapflights users on 5/7. Clicking the “Pick Dates” 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 6/1010:35 pm
EZE
-
DCA
1 stop20h 43m
American Airlines
Sat 7/118:40 pm
DCA
-
EZE
1 stop22h 35m
American Airlines
Deal found 5/7$721
This American Airlines deal was found by Cheapflights users on 5/8. Clicking the “Pick Dates” 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 6/2210:35 pm
EZE
-
DCA
1 stop20h 47m
American Airlines
Mon 6/292:24 pm
DCA
-
EZE
1 stop19h 41m
American Airlines
Deal found 5/8$722
This American Airlines deal was found by Cheapflights users on 5/7. Clicking the “Pick Dates” 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 8/59:10 pm
EZE
-
DCA
1 stop14h 24m
American Airlines
Wed 8/193:11 pm
DCA
-
EZE
2 stops15h 04m
American Airlines
Deal found 5/7$725
This American Airlines deal was found by Cheapflights users on 5/10. Clicking the “Pick Dates” 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 6/1010:35 pm
EZE
-
DCA
1 stop15h 02m
American Airlines
Wed 6/177:13 pm
DCA
-
EZE
1 stop12h 37m
American Airlines
Deal found 5/10$734
This American Airlines deal was found by Cheapflights users on 5/10. Clicking the “Pick Dates” 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 6/78:35 pm
EZE
-
BWI
1 stop22h 44m
American Airlines
Sun 6/146:01 am
BWI
-
EZE
1 stop13h 14m
American Airlines
Deal found 5/10$734
This American Airlines deal was found by Cheapflights users on 5/10. Clicking the “Pick Dates” 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 6/79:05 pm
EZE
-
DCA
1 stop14h 55m
American Airlines
Sun 6/145:00 am
DCA
-
EZE
2 stops14h 15m
American Airlines
Deal found 5/10$738
This American Airlines deal was found by Cheapflights users on 5/10. Clicking the “Pick Dates” 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 6/248:35 pm
EZE
-
BWI
1 stop22h 44m
American Airlines
Wed 7/11:43 pm
BWI
-
EZE
2 stops16h 17m
American Airlines
Deal found 5/10$738
This American Airlines deal was found by Cheapflights users on 5/10. Clicking the “Pick Dates” 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 6/110:05 pm
EZE
-
IAD
1 stop25h 42m
American Airlines
Thu 7/211:59 am
IAD
-
EZE
2 stops19h 51m
American Airlines
Deal found 5/10$738
This Delta deal was found by Cheapflights users on 5/8. Clicking the “Pick Dates” 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 5/298:10 pm
EZE
-
DCA
1 stop14h 01m
Delta
Thu 6/47:30 pm
DCA
-
EZE
1 stop13h 15m
Delta
Deal found 5/8$750
This Delta deal was found by Cheapflights users on 5/8. Clicking the “Pick Dates” 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 5/218:10 pm
EZE
-
IAD
1 stop29h 41m
Delta
Tue 5/266:08 am
IAD
-
EZE
1 stop26h 37m
Delta
Deal found 5/8$750
This American Airlines deal was found by Cheapflights users on 5/7. Clicking the “Pick Dates” 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.
Tue 6/210:35 pm
EZE
-
DCA
1 stop15h 02m
American Airlines
Tue 7/77:58 pm
DCA
-
EZE
1 stop14h 07m
American Airlines
Deal found 5/7$752
This American Airlines deal was found by Cheapflights users on 5/10. Clicking the “Pick Dates” 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.
Thu 6/49:15 am
EZE
-
DCA
1 stop16h 26m
American Airlines
Tue 6/165:24 pm
DCA
-
EZE
1 stop14h 26m
American Airlines
Deal found 5/10$753

Find flight deals from Argentina to Washington, D.C.

Keep the following information in mind while searching for Argentina to Washington, D.C. flight deals. Data was last updated May 10, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$721
(American Airlines)

One-way from

$368
(Kiwi.com)

Popular in

July

Cheapest in

March

Average price

$812
Provider with most accurate pricing for Buenos Aires (BUE)-Washington, D.C. (WAS) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Buenos Aires (BUE)-Washington, D.C. (WAS) flights.
Search Deals
From Argentina to Washington, D.C. (WAS)
Search Deals
One-way flight from Argentina to Washington, D.C. (WAS)
Search Deals
Highest demand for flights based on searches. 3% potential increase in price ($26 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($23 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Argentina to Washington, D.C. 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 May 10, 2026.
Use the filters below to find and compare flights from Argentina to Washington, D.C. that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Buenos AiresWashington, D.C.

EZE - IAD

EZEIAD

Buenos Aires Ministro Pistarini

Wed 6/10

8:10 pm-9:21 am

1 stop14h 11m

Washington, D.C. Dulles Intl

Sat 7/11

5:25 pm-9:45 am

1 stop15h 20m

$750

Buenos AiresWashington, D.C.

EZE - DCA

EZEDCA

Buenos Aires Ministro Pistarini

Thu 7/16

9:00 pm-9:06 pm

1 stop25h 06m

Washington, D.C. Reagan-National

Wed 8/12

8:20 am-8:00 am

1 stop22h 40m

$759

Buenos AiresWashington, D.C.

EZE - DCA

EZEDCA

Buenos Aires Ministro Pistarini

Tue 9/8

9:00 pm-3:55 pm

1 stop19h 55m

Washington, D.C. Reagan-National

Tue 9/22

2:50 pm-8:00 am

1 stop16h 10m

$759

Buenos AiresWashington, D.C.

EZE - IAD

EZEIAD

Buenos Aires Ministro Pistarini

Fri 6/5

2:49 pm-4:21 am

1 stop14h 32m

Washington, D.C. Dulles Intl

Sat 6/27

2:21 am-2:30 am

1 stop23h 09m

$772

Buenos AiresWashington, D.C.

EZE - IAD

EZEIAD

Buenos Aires Ministro Pistarini

Mon 6/1

2:49 pm-4:21 am

1 stop14h 32m

Washington, D.C. Dulles Intl

Thu 7/2

6:25 am-4:15 am

1 stop20h 50m

$772

Buenos AiresWashington, D.C.

EZE - IAD

EZEIAD

Buenos Aires Ministro Pistarini

Tue 7/7

9:00 pm-10:43 pm

1 stop26h 43m

Washington, D.C. Dulles Intl

Sat 7/18

10:20 pm-8:00 am

1 stop32h 40m

$778

CordobaWashington, D.C.

COR - IAD

CORIAD

Cordoba Pajas Blancas

Wed 5/20

5:49 am-12:33 am

1 stop19h 44m

Washington, D.C. Dulles Intl

Wed 6/10

4:38 pm-6:03 am

1 stop12h 25m

$801

CordobaWashington, D.C.

COR - IAD

CORIAD

Cordoba Pajas Blancas

Thu 5/21

5:49 am-12:33 am

1 stop19h 44m

Washington, D.C. Dulles Intl

Tue 5/26

2:21 am-2:22 am

1 stop23h 01m

$801

CordobaWashington, D.C.

COR - IAD

CORIAD

Cordoba Pajas Blancas

Thu 6/4

7:03 am-4:21 am

1 stop22h 18m

Washington, D.C. Dulles Intl

Fri 6/19

6:25 am-2:22 am

1 stop18h 57m

$801

CordobaWashington, D.C.

COR - IAD

CORIAD

Cordoba Pajas Blancas

Tue 6/2

7:03 am-4:21 am

1 stop22h 18m

Washington, D.C. Dulles Intl

Wed 7/1

6:25 am-2:22 am

1 stop18h 57m

$801

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/7

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from Argentina to Washington, D.C.

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. from Argentina with our price prediction graph.
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 Argentina to Washington, D.C.

How far ahead should I book a flight from Argentina to Washington, D.C.?

Booking 62 days in advance of your planned departure date is, on average, the best time to get cheap flights from Argentina to Washington, D.C.. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Argentina to Washington, D.C.?

Currently, August is the cheapest month in which you can book a flight from Argentina to Washington, D.C. (average of $200). Flying from Argentina to Washington, D.C. in September is currently the most expensive (average of $411). 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 Washington, D.C.

Get insights into the airlines that provide service to Washington, D.C.. 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 Washington, D.C.. Reviews last updated May 10, 2026.
Peruse reviews from past customers who have flown with Delta,Copa Airlines, andUnited Airlines from Argentina to Washington, D.C. to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,453 reviews

Boarding

8.1

Crew

8.5

Food

7.2

Overall

7.9

Entertainment

7.8

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
Delta
7.9
Good
8,453 reviews
Delta
7.9
Good
8,453 reviews

Boarding

8.1

Crew

8.5

Food

7.2

Overall

7.9

Entertainment

7.8

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
Copa Airlines
7.5
Good
1,584 reviews
Delta
7.9
Good
8,453 reviews

Boarding

8.1

Crew

8.5

Food

7.2

Overall

7.9

Entertainment

7.8

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
United Airlines
7.4
Good
9,696 reviews
Delta
7.9
Good
8,453 reviews

Boarding

8.1

Crew

8.5

Food

7.2

Overall

7.9

Entertainment

7.8

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
American Airlines
7.1
Good
11,668 reviews
Delta
7.9
Good
8,453 reviews

Boarding

8.1

Crew

8.5

Food

7.2

Overall

7.9

Entertainment

7.8

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
Avianca
6.5
Okay
2,521 reviews
Delta
7.9
Good
8,453 reviews

Boarding

8.1

Crew

8.5

Food

7.2

Overall

7.9

Entertainment

7.8

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Related info for your journey

Find useful and relevant information for your journey from Argentina to Washington, D.C.. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Argentina to Washington, D.C.?

    Departing from Argentina to Washington, D.C. will take you 14h 32m. Airlines will cover a distance of 5235 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines to fly from Argentina to Washington, D.C. one-way?

    One-way options have recently been found by users for as low as $355 on Copa Airlines. Other airlines that offer cheap prices include Avianca from $375 and American Airlines from $418 one-way.

  • What are the most popular routes from Argentina to Washington, D.C.?

    While some choose either Buenos Aires Ministro Pistarini - Washington, D.C. Reagan-National or Buenos Aires Ministro Pistarini - Baltimore/Washington, Buenos Aires Ministro Pistarini - Washington, D.C. Dulles Intl is the most popular route from Argentina to Washington, D.C..

  • Can I find deals for flights from Argentina to Washington, D.C. that include hotel bookings?

    Yes. In addition to deals on Argentina to Washington, D.C. flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Argentina to Washington, D.C.?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Argentina to Washington, D.C..

  • Can I find deals for business class flights from Argentina to Washington, D.C.?

    Yes. Cheapflights offers flight deals from Argentina to Washington, D.C. by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Argentina to Washington, D.C.?

    Currently, August is the cheapest month in which you can book a flight from Argentina to Washington, D.C. (average of $200). Flying from Argentina to Washington, D.C. in September is currently the most expensive (average of $411). 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.

See more FAQs

Traveling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
Tysons
Owings Mills
Arlington
Springfield
Herndon
Rockville
Hyattsville
Manassas
Fredericksburg
Silver Spring
Hanover
Laurel
Woodbridge
Waldorf
Largo
Clinton
Hunt Valley
Cordova
Reston

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.

Top 4 airlines flying from Argentina to Washington, D.C.

Discover the top 4 airlines that operate flights from Argentina to Washington, D.C.. 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 May 10, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$344Average$948FlexibilityNo cancel feeOn-timeN/A
Copa AirlinesCheapest$378Average$692FlexibilityNo cancel feeOn-time70%
AviancaCheapest$617Average$686FlexibilityNo cancel feeOn-time71%
American AirlinesCheapest$673Average$799FlexibilityNo cancel feeOn-time71%

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