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Cheap flights from Buenos Aires to Washington, D.C. from $382

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 8/11. 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

KAYAK's recommended round-trip deals from the most popular airlines that fly from Buenos Aires to Washington, D.C..
Avianca Logo
1:40 am - 11:45 pmEZE-IAD
23h 05m2 stops
Avianca Logo
3:25 pm - 3:20 pmIAD-EZE
22h 55m1 stop
$704Avianca
Find Deal
Wed, Jun 18 - Fri, Sep 12
Avianca Logo
4:45 pm - 5:35 amEZE-IAD
13h 50m1 stop
Avianca Logo
7:00 am - 12:10 amIAD-EZE
16h 10m1 stop
$706Avianca
Find Deal
Tue, May 6 - Fri, May 16
Copa Airlines Logo
2:32 pm - 4:22 amEZE-IAD
14h 50m1 stop
Copa Airlines Logo
2:25 am - 10:08 pmIAD-EZE
18h 43m1 stop
$757Copa Airlines
Find Deal
Wed, Sep 10 - Tue, Sep 30
Delta Logo
8:10 pm - 9:10 amEZE-BWI
14h 00m1 stop
Delta Logo
7:44 pm - 9:45 amBWI-EZE
13h 01m1 stop
$760Delta
Find Deal
Tue, May 13 - Fri, Jun 6
Delta Logo
8:10 pm - 9:14 amEZE-IAD
14h 04m1 stop
Delta Logo
7:43 pm - 9:45 amIAD-EZE
13h 02m1 stop
$760Delta
Find Deal
Tue, May 13 - Fri, Jun 6
Copa Airlines Logo
2:32 pm - 4:20 amEZE-IAD
14h 48m1 stop
Copa Airlines Logo
2:21 am - 10:11 pmIAD-EZE
18h 50m1 stop
$797Copa Airlines
Find Deal
Sun, May 4 - Mon, May 12
American Airlines Logo
9:15 pm - 7:30 pmEZE-DCA
23h 15m1 stop
American Airlines Logo
1:50 pm - 7:20 amDCA-EZE
16h 30m1 stop
$889American Airlines
Find Deal
Sat, Apr 19 - Thu, Apr 24
American Airlines Logo
10:30 pm - 4:29 pmEZE-DCA
18h 59m1 stop
American Airlines Logo
2:54 pm - 10:15 amDCA-EZE
18h 21m1 stop
$915American Airlines
Find Deal
Tue, May 13 - Thu, Jun 5
United Airlines Logo
9:00 pm - 6:41 pmEZE-DCA
22h 41m1 stop
United Airlines Logo
2:47 pm - 8:00 amDCA-EZE
16h 13m1 stop
$1,038United Airlines
Find Deal
Wed, Apr 23 - Sun, May 4
United Airlines Logo
9:00 pm - 6:25 pmEZE-DCA
22h 25m1 stop
United Airlines Logo
7:50 pm - 8:00 amDCA-EZE
35h 10m1 stop
$1,098United Airlines
Find Deal
Wed, Aug 27 - Sun, Sep 21

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

Our best Delta deals on Buenos Aires to Washington, D.C. flight tickets
Delta
May 13
EZE8:10 pmBuenos Aires Ministro Pistarini
14h 00m
1 stop
BWI9:10 amBaltimore/Washington
Jun 6
BWI7:44 pmBaltimore/Washington
13h 01m
1 stop
EZE9:45 amBuenos Aires Ministro Pistarini
Delta
May 28
EZE8:10 pmBuenos Aires Ministro Pistarini
13h 58m
1 stop
DCA9:08 amWashington, D.C. Reagan-National
Jun 8
DCA7:35 pmWashington, D.C. Reagan-National
13h 10m
1 stop
EZE9:45 amBuenos Aires Ministro Pistarini
Delta
May 3
EZE8:10 pmBuenos Aires Ministro Pistarini
14h 02m
1 stop
BWI9:12 amBaltimore/Washington
May 21
BWI11:55 amBaltimore/Washington
20h 50m
1 stop
EZE9:45 amBuenos Aires Ministro Pistarini

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

Our best LATAM Airlines deals on Buenos Aires to Washington, D.C. flight tickets
LATAM Airlines
May 13
AEP10:50 pmBuenos Aires Jorge Newbery
24h 55m
2 stops
BWI10:45 pmBaltimore/Washington
Jun 5
BWI7:00 amBaltimore/Washington
20h 05m
2 stops
AEP4:05 amBuenos Aires Jorge Newbery
LATAM Airlines
Jun 20
EZE7:30 amBuenos Aires Ministro Pistarini
18h 01m
2 stops
IAD12:31 amWashington, D.C. Dulles Intl
Jul 12
IAD12:30 pmWashington, D.C. Dulles Intl
28h 44m
2 stops
EZE6:14 pmBuenos Aires Ministro Pistarini
LATAM Airlines
May 6
EZE7:30 amBuenos Aires Ministro Pistarini
17h 55m
2 stops
IAD12:25 amWashington, D.C. Dulles Intl
May 16
IAD12:25 pmWashington, D.C. Dulles Intl
28h 47m
2 stops
EZE6:12 pmBuenos 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 August is, on average, the cheapest month to fly to Washington, D.C. from Buenos Aires, with most prices found around $791. If you’re not able to fly to Washington, D.C. in August, then October is your next best option. Flight prices from Buenos Aires to Washington, D.C. during October average around $832.

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.

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

As of April 2025, prices for Buenos Aires to Washington, D.C. flights are approximately 10% 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

$382

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 $382. The best round-trip flight deal from Buenos Aires to Washington, D.C. found on momondo in the last 72 hours is $704.
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 Jorge Newbery 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
AviancaPriceFrom $593Free CancellationRating
6.7
2,302 reviews
Search Avianca flights
DeltaPriceFrom $713Free CancellationRating
8.0
7,898 reviews
Search Delta flights
American AirlinesPriceFrom $729Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
Copa AirlinesPriceFrom $747Free CancellationRating
7.6
1,400 reviews
Search Copa 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
Arlington
Gettysburg
National Harbor
Laurel
Silver Spring
Woodbridge
Tysons
Fredericksburg
Waldorf
Manassas
Gaithersburg
Glen Burnie
Linthicum Heights
Rockville
Fairfax
Towson
Reston
Hyattsville
Hanover

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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Mon 4/14

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.