Cheap flights from Buenos Aires to Washington, D.C. from $384

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Buenos Aires to Washington, D.C. departing on 10/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap round-trip flights

Avianca Logo
1:40 am - 2:00 pmEZE-IAD
13h 20m1 stop
Avianca Logo
7:00 am - 12:10 amIAD-EZE
16h 10m1 stop
$660Avianca
Find Deal
Wed, Sep 24 - Mon, Sep 29
Avianca Logo
1:40 am - 4:20 amEZE-IAD
27h 40m2 stops
Avianca Logo
2:35 pm - 5:50 amIAD-EZE
13h 15m1 stop
$661Avianca
Find Deal
Sun, Sep 28 - Tue, Nov 18
American Airlines Logo
8:45 pm - 10:59 amEZE-DCA
15h 14m1 stop
American Airlines Logo
6:56 pm - 9:00 amDCA-EZE
13h 04m1 stop
$673American Airlines
Find Deal
Mon, Aug 18 - Mon, Aug 25
American Airlines Logo
8:45 pm - 6:10 pmEZE-BWI
22h 25m1 stop
American Airlines Logo
7:00 pm - 9:00 amBWI-EZE
13h 00m1 stop
$673American Airlines
Find Deal
Tue, Aug 19 - Tue, Aug 26
Copa Airlines Logo
8:55 am - 12:28 amEZE-IAD
16h 33m1 stop
Copa Airlines Logo
2:25 am - 12:55 amIAD-EZE
21h 30m1 stop
$697Copa Airlines
Find Deal
Mon, Aug 18 - Sun, Aug 24
Delta Logo
12:55 am - 8:47 pmEZE-DCA
20h 52m1 stop
Delta Logo
7:38 pm - 9:45 amDCA-EZE
13h 07m1 stop
$700Delta
Find Deal
Sun, Aug 17 - Mon, Aug 25
Delta Logo
8:10 pm - 9:13 amEZE-BWI
14h 03m1 stop
Delta Logo
4:39 pm - 9:00 amBWI-EZE
14h 21m1 stop
$700Delta
Find Deal
Tue, Sep 30 - Wed, Nov 19
Copa Airlines Logo
2:33 pm - 4:20 amEZE-IAD
14h 47m1 stop
Copa Airlines Logo
4:34 pm - 12:55 amIAD-EZE
31h 21m1 stop
$711Copa Airlines
Find Deal
Thu, Sep 4 - Wed, Sep 17
United Airlines Logo
9:00 pm - 1:49 pmEZE-DCA
17h 49m1 stop
United Airlines Logo
12:50 pm - 7:20 amDCA-EZE
16h 30m1 stop
$739United Airlines
Find Deal
Mon, Sep 29 - Mon, Nov 17
United Airlines Logo
9:00 pm - 11:34 amEZE-DCA
15h 34m1 stop
United Airlines Logo
12:50 pm - 6:20 amDCA-EZE
16h 30m1 stop
$744United Airlines
Find Deal
Wed, Oct 22 - Wed, Oct 29

American Airlines flights from Buenos Aires to Washington, D.C.

Our best American Airlines deals on Buenos Aires to Washington, D.C. flight tickets
American Airlines
Aug 19
EZE8:45 pmBuenos Aires Ministro Pistarini
22h 25m
1 stop
BWI6:10 pmBaltimore/Washington
Aug 26
BWI7:00 pmBaltimore/Washington
13h 00m
1 stop
EZE9:00 amBuenos Aires Ministro Pistarini
American Airlines
Aug 18
EZE8:45 pmBuenos Aires Ministro Pistarini
23h 11m
2 stops
IAD6:56 pmWashington, D.C. Dulles Intl
Aug 25
IAD11:51 amWashington, D.C. Dulles Intl
20h 09m
2 stops
EZE9:00 amBuenos Aires Ministro Pistarini
American Airlines
Aug 11
EZE8:45 pmBuenos Aires Ministro Pistarini
18h 59m
1 stop
DCA2:44 pmWashington, D.C. Reagan-National
Aug 18
DCA7:20 pmWashington, D.C. Reagan-National
13h 55m
1 stop
EZE10:15 amBuenos Aires Ministro Pistarini

Delta flights from Buenos Aires to Washington, D.C.

Our best Delta deals on Buenos Aires to Washington, D.C. flight tickets
Delta
Sep 30
EZE8:10 pmBuenos Aires Ministro Pistarini
14h 03m
1 stop
BWI9:13 amBaltimore/Washington
Nov 19
BWI4:39 pmBaltimore/Washington
14h 21m
1 stop
EZE9:00 amBuenos Aires Ministro Pistarini
Delta
Sep 29
EZE8:10 pmBuenos Aires Ministro Pistarini
16h 02m
1 stop
BWI11:12 amBaltimore/Washington
Nov 16
BWI12:15 pmBaltimore/Washington
18h 45m
1 stop
EZE9:00 amBuenos Aires Ministro Pistarini
Delta
Aug 11
EZE6:15 amBuenos Aires Ministro Pistarini
17h 31m
2 stops
BWI10:46 pmBaltimore/Washington
Aug 24
BWI1:35 pmBaltimore/Washington
19h 10m
1 stop
EZE9:45 amBuenos Aires Ministro Pistarini

momondo Fare Finder

 
Customize your flight search to find flights from Buenos Aires 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, momondo users made 832,500 searches. Data last updated July 31, 2025.
Use the filters below to find and compare flights from Buenos Aires to Washington, D.C. that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Buenos AiresWashington, D.C.

EZE - IAD

EZEIAD

Buenos Aires Ministro Pistarini

Wed 9/24

1:40 am-2:00 pm

1 stop13h 20m

Washington, D.C. Dulles Intl

Mon 9/29

7:00 am-12:10 am

1 stop16h 10m

$660

Buenos AiresWashington, D.C.

EZE - IAD

EZEIAD

Buenos Aires Ministro Pistarini

Sun 9/28

1:40 am-4:20 am

2 stops27h 40m

Washington, D.C. Dulles Intl

Tue 11/18

2:35 pm-5:50 am

1 stop13h 15m

$661

Buenos AiresWashington, D.C.

EZE - DCA

EZEDCA

Buenos Aires Ministro Pistarini

Mon 8/18

8:45 pm-10:59 am

1 stop15h 14m

Washington, D.C. Reagan-National

Mon 8/25

6:56 pm-9:00 am

1 stop13h 04m

$673

Buenos AiresBaltimore

EZE - BWI

EZEBWI

Buenos Aires Ministro Pistarini

Tue 8/19

8:45 pm-6:10 pm

1 stop22h 25m

Baltimore/Washington

Tue 8/26

7:00 pm-9:00 am

1 stop13h 00m

$673

Buenos AiresWashington, D.C.

EZE - IAD

EZEIAD

Buenos Aires Ministro Pistarini

Mon 8/18

8:55 am-12:28 am

1 stop16h 33m

Washington, D.C. Dulles Intl

Sun 8/24

2:25 am-12:55 am

1 stop21h 30m

$697

Buenos AiresWashington, D.C.

EZE - DCA

EZEDCA

Buenos Aires Ministro Pistarini

Sun 8/17

12:55 am-8:47 pm

1 stop20h 52m

Washington, D.C. Reagan-National

Mon 8/25

7:38 pm-9:45 am

1 stop13h 07m

$700

Buenos AiresBaltimore

EZE - BWI

EZEBWI

Buenos Aires Ministro Pistarini

Tue 9/30

8:10 pm-9:13 am

1 stop14h 03m

Baltimore/Washington

Wed 11/19

4:39 pm-9:00 am

1 stop14h 21m

$700

Buenos AiresWashington, D.C.

EZE - IAD

EZEIAD

Buenos Aires Ministro Pistarini

Thu 9/4

2:33 pm-4:20 am

1 stop14h 47m

Washington, D.C. Dulles Intl

Wed 9/17

4:34 pm-12:55 am

1 stop31h 21m

$711

Buenos AiresWashington, D.C.

EZE - DCA

EZEDCA

Buenos Aires Ministro Pistarini

Mon 9/29

9:00 pm-1:49 pm

1 stop17h 49m

Washington, D.C. Reagan-National

Mon 11/17

12:50 pm-7:20 am

1 stop16h 30m

$739

Buenos AiresWashington, D.C.

EZE - DCA

EZEDCA

Buenos Aires Ministro Pistarini

Wed 10/22

9:00 pm-11:34 am

1 stop15h 34m

Washington, D.C. Reagan-National

Wed 10/29

12:50 pm-6:20 am

1 stop16h 30m

$744

Flights are sorted by cheapest round-trip flights first.

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See travel insights to Washington, D.C. from

How to get the cheapest flight ticket from Buenos Aires to Washington, D.C.

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Washington, D.C.?

The month of April is, on average, the cheapest month to fly to Washington, D.C. from Buenos Aires, with most prices found around $762. If you’re not able to fly to Washington, D.C. in April, then October is your next best option. Flight prices from Buenos Aires to Washington, D.C. during October average around $791.

What is the cheapest day to depart on your flight to Washington, D.C.?

On average, the least expensive day to fly to Washington, D.C. from Buenos Aires is on a Thursday. momondo users have found tickets for Thursday departures for as low as $916. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Buenos Aires to Washington, D.C. for around $1,068.

What is the cheapest time of day to depart on your flight to Washington, D.C.?

In the afternoon is the cheapest time of day to fly from Buenos Aires to Washington, D.C. when you can find flight prices for as low as $854. Flying to Washington, D.C. in the afternoon is an ideal time because this is during off-peak travel hours. Try not to purchase tickets in the evening because they tend to be around $1,012. Of course, these prices can vary depending on the time of year and what airport you fly to.

Can stopping save me money on Buenos Aires to Washington, D.C. flights?

You could potentially save up to 9% on your flight if you consider stops on a Buenos Aires to Washington, D.C. flight.

How have Buenos Aires to Washington, D.C. flight prices changed over time?

As of July 2025, prices for Buenos Aires to Washington, D.C. flights are approximately 31% cheaper when compared to flights at the same time last year.

When to book flights from Buenos Aires to Washington, D.C.

Are you open to changing your travel dates? Check out the ideal times to fly from Buenos Aires to Washington, D.C. according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Buenos Aires to Washington, D.C. (BUE to WAS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Buenos Aires to Washington, D.C.

Best Price Found

$384

Fastest flight time

13h 20m

Direct flights

None

Airports in Washington, D.C.

3 airports
The best one-way flight to Washington, D.C. from Buenos Aires in the past 72 hours is $384. The best round-trip flight deal from Buenos Aires to Washington, D.C. found on momondo in the last 72 hours is $660.
The fastest flight from Buenos Aires to Washington, D.C. takes 13h 20m
There are no direct flights from Buenos Aires to Washington, D.C.. Popular non-direct routes for this connection are Buenos Aires Ministro Pistarini Airport - Washington, D.C. Dulles Intl Airport, Buenos Aires Jorge Newbery Airport - Washington, D.C. Dulles Intl Airport and Buenos Aires Ministro Pistarini Airport - Baltimore/Washington Airport.
There are 3 airports near Washington, D.C.: Washington, D.C. Reagan-National (DCA), Baltimore/Washington (BWI), Washington, D.C. Dulles Intl (IAD)

  • How far is Buenos Aires to Washington, D.C. by plane?

    Buenos Aires and Washington, D.C. are 5214.3 mi apart from one another. In terms of flight time, this usually takes a little over 13h 20m.

  • When did momondo last update prices for flights from Buenos Aires to Washington, D.C.?

    Prices for flights from Buenos Aires to Washington, D.C. are refreshed on a daily basis.

  • How many operators does momondo search for flights from Buenos Aires to Washington, D.C.?

  • How old do you have to be to fly from Buenos Aires to Washington, D.C.?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Buenos Aires to Washington, D.C..

  • What documentation or ID do you need to fly to Washington, D.C.?

    The travel and health documents required for your trip to Washington, D.C. can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Washington, D.C.. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular airline from Buenos Aires to Washington, D.C.?


Best airlines flying from Buenos Aires to Washington, D.C.

Compare and see reviews for airlines that fly from Buenos Aires to Washington, D.C. with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $344Free CancellationRating
8.0
7,981 reviews
Search Delta flights
AviancaPriceFrom $434Free CancellationRating
6.7
2,388 reviews
Search Avianca flights
Copa AirlinesPriceFrom $442Free CancellationRating
7.5
1,493 reviews
Search Copa Airlines flights
American AirlinesPriceFrom $729Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights

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

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
Gettysburg
Arlington
National Harbor
Woodbridge
Laurel
Tysons
Silver Spring
Waldorf
Fredericksburg
Manassas
Towson
Rockville
Colonial Beach
Gaithersburg
Fairfax
Reston
Glen Burnie
Linthicum Heights
Springfield

Why use momondo?

Why should I use momondo to find a flight deal from Buenos Aires to Washington, D.C.?

Finding the right flight to Washington, D.C. from Buenos Aires is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Washington, D.C. quick and easy, saving you time and money.

Can I find flights from Buenos Aires to Washington, D.C. with flexible booking policies on momondo?

momondo does allow users to show only those flights to Washington, D.C. from Buenos Aires which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Buenos Aires to Washington, D.C.?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Buenos Aires to Washington, D.C..

I’m not ready to book a flight from Buenos Aires to Washington, D.C. right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Washington, D.C. from Buenos Aires. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.


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1 adult
Tue 8/5
Tue 8/12

Find better results for your trip to the United States

Fly into one of these airports located in Washington, D.C.

Airports listed have a maximum distance of 22.4 mi from Washington, D.C.