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Cheap flights from Buenos Aires to Washington, D.C. from $353

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 9/16. 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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Find the cheapest flights from Buenos Aires to Washington, D.C.

Cheap round-trip flights

Aeromexico Logo
11:25 pm - 3:10 pmEZE-IAD
16h 45m1 stop
Aeromexico Logo
4:40 pm - 9:25 pmIAD-EZE
27h 45m1 stop
$611Aeromexico
Find Deal
Wed, Sep 10 - Wed, Oct 1
Avianca Logo
1:40 am - 2:00 pmEZE-IAD
13h 20m1 stop
Avianca Logo
7:00 am - 12:10 amIAD-EZE
16h 10m1 stop
$624Avianca
Find Deal
Wed, Oct 15 - Fri, Oct 24
Copa Airlines Logo
3:47 am - 12:29 amEZE-IAD
21h 42m1 stop
Copa Airlines Logo
2:45 am - 10:08 pmIAD-EZE
18h 23m1 stop
$636Copa Airlines
Find Deal
Tue, Jul 29 - Sun, Aug 10
Copa Airlines Logo
5:03 am - 4:22 amEZE-IAD
24h 19m1 stop
Copa Airlines Logo
9:34 am - 4:14 amIAD-EZE
17h 40m1 stop
$679Copa Airlines
Find Deal
Wed, Sep 10 - Wed, Oct 1
LATAM Airlines Logo
8:40 am - 11:00 amAEP-DCA
27h 20m2 stops
LATAM Airlines Logo
1:55 pm - 2:40 pmDCA-AEP
22h 45m2 stops
$731LATAM Airlines
Find Deal
Wed, Jul 2 - Tue, Dec 2
LATAM Airlines Logo
8:40 am - 2:36 pmAEP-IAD
30h 56m2 stops
LATAM Airlines Logo
7:30 am - 4:05 pmIAD-AEP
31h 35m2 stops
$731LATAM Airlines
Find Deal
Wed, Jul 2 - Wed, Aug 27
Delta Logo
8:10 pm - 9:09 amEZE-DCA
13h 59m1 stop
Delta Logo
6:20 pm - 9:45 amDCA-EZE
14h 25m1 stop
$760Delta
Find Deal
Fri, Jul 4 - Sat, Jul 12
Delta Logo
8:10 pm - 10:45 amEZE-BWI
15h 35m1 stop
Delta Logo
7:51 pm - 9:45 amBWI-EZE
12h 54m1 stop
$760Delta
Find Deal
Fri, Jul 4 - Sat, Jul 12
American Airlines Logo
8:30 pm - 6:26 pmEZE-BWI
22h 56m1 stop
American Airlines Logo
1:12 pm - 10:15 amBWI-EZE
20h 03m2 stops
$778American Airlines
Find Deal
Wed, Jul 2 - Wed, Aug 27
American Airlines Logo
9:15 pm - 5:11 pmEZE-IAD
20h 56m2 stops
American Airlines Logo
10:25 am - 10:15 amIAD-EZE
22h 50m2 stops
$778American Airlines
Find Deal
Wed, Jul 2 - Wed, Aug 27

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

Our best Copa Airlines deals on Buenos Aires to Washington, D.C. flight tickets
Copa Airlines
Jul 29
EZE3:47 amBuenos Aires Ministro Pistarini
21h 42m
1 stop
IAD12:29 amWashington, D.C. Dulles Intl
Aug 10
IAD2:45 amWashington, D.C. Dulles Intl
18h 23m
1 stop
EZE10:08 pmBuenos Aires Ministro Pistarini
Copa Airlines
Sep 10
EZE5:03 amBuenos Aires Ministro Pistarini
24h 19m
1 stop
IAD4:22 amWashington, D.C. Dulles Intl
Oct 1
IAD9:34 amWashington, D.C. Dulles Intl
17h 40m
1 stop
EZE4:14 amBuenos Aires Ministro Pistarini
Copa Airlines
Jul 2
EZE8:54 amBuenos Aires Ministro Pistarini
16h 35m
1 stop
IAD12:29 amWashington, D.C. Dulles Intl
Aug 26
IAD2:25 amWashington, D.C. Dulles Intl
21h 30m
1 stop
EZE12:55 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
Jul 4
EZE8:10 pmBuenos Aires Ministro Pistarini
15h 35m
1 stop
BWI10:45 amBaltimore/Washington
Jul 12
BWI7:51 pmBaltimore/Washington
12h 54m
1 stop
EZE9:45 amBuenos Aires Ministro Pistarini
Delta
Jun 26
EZE8:10 pmBuenos Aires Ministro Pistarini
14h 12m
1 stop
BWI9:22 amBaltimore/Washington
Jul 8
BWI6:25 pmBaltimore/Washington
14h 20m
1 stop
EZE9:45 amBuenos Aires Ministro Pistarini
Delta
Jul 7
EZE8:10 pmBuenos Aires Ministro Pistarini
14h 13m
1 stop
BWI9:23 amBaltimore/Washington
Jul 12
BWI7:51 pmBaltimore/Washington
12h 54m
1 stop
EZE9:45 amBuenos Aires Ministro Pistarini

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 $807.

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 2% 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 June 2025, prices for Buenos Aires to Washington, D.C. flights are approximately 28% 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

$353

Fastest flight time

13h 15m

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 $353. The best round-trip flight deal from Buenos Aires to Washington, D.C. found on momondo in the last 72 hours is $611.
The fastest flight from Buenos Aires to Washington, D.C. takes 13h 15m
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 - Washington, D.C. Reagan-National 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 15m.

  • 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 $270Free CancellationRating
8.0
7,946 reviews
Search Delta flights
AviancaPriceFrom $434Free CancellationRating
6.7
2,345 reviews
Search Avianca flights
Copa AirlinesPriceFrom $437Free CancellationRating
7.5
1,451 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
Laurel
Woodbridge
Silver Spring
Tysons
Waldorf
Fredericksburg
Manassas
Gaithersburg
Towson
Rockville
Fairfax
Linthicum Heights
Glen Burnie
Reston
Springfield
Hyattsville

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 6/17
Tue 6/24

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.