Cheap flights from Buenos Aires to Washington, D.C. from $334

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 4/23. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.

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

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
5:45 am - 5:20 am
AEP
-
IAD
24h 35m
2 stops
Multiple Airlines Logo
3:35 pm - 5:40 am
IAD
-
AEP
13h 05m
1 stop
$677Multiple Airlines
ב', אפר' 27 - ה', מאי 7
Avianca Logo
4:50 pm - 5:20 am
EZE
-
IAD
13h 30m
1 stop
Avianca Logo
6:50 am - 5:40 am
IAD
-
EZE
21h 50m
1 stop
$688Avianca
ד', אפר' 22 - ג', מאי 5
American Airlines Logo
9:50 pm - 12:42 pm
EZE
-
DCA
15h 52m
1 stop
American Airlines Logo
7:17 pm - 11:05 am
DCA
-
EZE
14h 48m
1 stop
$771American Airlines
ב', אוג' 3 - ו', אוג' 21
American Airlines Logo
9:00 pm - 6:26 pm
EZE
-
BWI
22h 26m
1 stop
American Airlines Logo
7:06 pm - 8:50 am
BWI
-
EZE
12h 44m
1 stop
$771American Airlines
ב', אוג' 3 - ו', אוג' 21
Delta Logo
8:10 pm - 11:00 am
EZE
-
DCA
15h 50m
1 stop
Delta Logo
2:55 pm - 9:20 am
DCA
-
EZE
17h 25m
1 stop
$804Delta
ה', יוני 4 - ד', יוני 17
Delta Logo
8:10 pm - 9:23 am
EZE
-
BWI
14h 13m
1 stop
Delta Logo
4:39 pm - 9:20 am
BWI
-
EZE
15h 41m
2 stops
$804Delta
ה', יוני 4 - ד', יוני 17
LATAM Airlines Logo
5:00 pm - 1:49 pm
AEP
-
DCA
21h 49m
2 stops
LATAM Airlines Logo
2:55 pm - 2:50 pm
DCA
-
AEP
22h 55m
2 stops
$813LATAM Airlines
ה', יוני 4 - ד', יוני 17
United Airlines Logo
9:00 pm - 11:35 am
EZE
-
DCA
15h 35m
1 stop
United Airlines Logo
6:00 am - 8:00 am
DCA
-
EZE
25h 00m
1 stop
$813United Airlines
ד', אפר' 22 - ג', מאי 5
LATAM Airlines Logo
1:10 pm - 10:51 am
EZE
-
BWI
22h 41m
2 stops
LATAM Airlines Logo
11:56 am - 9:45 am
BWI
-
EZE
20h 49m
1 stop
$817LATAM Airlines
ה', אפר' 9 - א', אפר' 12
United Airlines Logo
9:00 pm - 4:04 pm
EZE
-
DCA
20h 04m
1 stop
United Airlines Logo
7:28 pm - 8:00 am
DCA
-
EZE
35h 32m
1 stop
$832United Airlines
ה', מאי 7 - ד', יוני 24

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
Apr 1
EZE2:57 pmBuenos Aires Ministro Pistarini
14h 25m
1 stop
IAD4:22 amWashington, D.C. Dulles Intl
Apr 18
IAD2:21 amWashington, D.C. Dulles Intl
19h 04m
1 stop
EZE10:25 pmBuenos Aires Ministro Pistarini
$801
Copa Airlines
May 1
EZE9:02 amBuenos Aires Ministro Pistarini
31h 22m
1 stop
BWI3:24 pmBaltimore/Washington
May 29
BWI4:40 pmBaltimore/Washington
28h 45m
1 stop
EZE10:25 pmBuenos Aires Ministro Pistarini
$829
Copa Airlines
Mar 30
EZE1:05 pmBuenos Aires Ministro Pistarini
16h 08m
1 stop
IAD4:13 amWashington, D.C. Dulles Intl
Apr 6
IAD9:32 amWashington, D.C. Dulles Intl
14h 18m
1 stop
EZE12:50 amBuenos Aires Ministro Pistarini
$835

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 3
EZE9:00 pmBuenos Aires Ministro Pistarini
22h 26m
1 stop
BWI6:26 pmBaltimore/Washington
Aug 21
BWI7:06 pmBaltimore/Washington
12h 44m
1 stop
EZE8:50 amBuenos Aires Ministro Pistarini
$771
American Airlines
Apr 19
EZE8:40 pmBuenos Aires Ministro Pistarini
23h 45m
2 stops
IAD7:25 pmWashington, D.C. Dulles Intl
Apr 29
IAD3:17 pmWashington, D.C. Dulles Intl
18h 48m
2 stops
EZE11:05 amBuenos Aires Ministro Pistarini
$775
American Airlines
Apr 14
EZE11:35 pmBuenos Aires Ministro Pistarini
20h 39m
1 stop
DCA7:14 pmWashington, D.C. Reagan-National
Apr 17
DCA5:31 pmWashington, D.C. Reagan-National
16h 34m
1 stop
EZE11:05 amBuenos Aires Ministro Pistarini
$809

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 מרץ 23, 2026.
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

Cheapest round-trip

Buenos AiresWashington, D.C.

AEP - IAD

AEPIAD

Buenos Aires Jorge Newbery

ב' 4/27

5:45 am-5:20 am

2 stops24h 35m

Washington, D.C. Dulles Intl

ה' 5/7

3:35 pm-5:40 am

1 stop13h 05m

$677

Buenos AiresWashington, D.C.

EZE - IAD

EZEIAD

Buenos Aires Ministro Pistarini

ד' 4/22

4:50 pm-5:20 am

1 stop13h 30m

Washington, D.C. Dulles Intl

ג' 5/5

6:50 am-5:40 am

1 stop21h 50m

$688

Buenos AiresWashington, D.C.

EZE - DCA

EZEDCA

Buenos Aires Ministro Pistarini

ב' 8/3

9:50 pm-12:42 pm

1 stop15h 52m

Washington, D.C. Reagan-National

ו' 8/21

7:17 pm-11:05 am

1 stop14h 48m

$771

Buenos AiresBaltimore

EZE - BWI

EZEBWI

Buenos Aires Ministro Pistarini

ב' 8/3

9:00 pm-6:26 pm

1 stop22h 26m

Baltimore/Washington

ו' 8/21

7:06 pm-8:50 am

1 stop12h 44m

$771

Buenos AiresWashington, D.C.

EZE - DCA

EZEDCA

Buenos Aires Ministro Pistarini

ה' 6/4

8:10 pm-11:00 am

1 stop15h 50m

Washington, D.C. Reagan-National

ד' 6/17

2:55 pm-9:20 am

1 stop17h 25m

$804
Quickest round-trip

Buenos AiresBaltimore

EZE - BWI

EZEBWI

Buenos Aires Ministro Pistarini

ה' 6/4

8:10 pm-9:23 am

1 stop14h 13m

Baltimore/Washington

ד' 6/17

4:39 pm-9:20 am

2 stops15h 41m

$804

Buenos AiresWashington, D.C.

AEP - DCA

AEPDCA

Buenos Aires Jorge Newbery

ה' 6/4

5:00 pm-1:49 pm

2 stops21h 49m

Washington, D.C. Reagan-National

ד' 6/17

2:55 pm-2:50 pm

2 stops22h 55m

$813

Buenos AiresWashington, D.C.

EZE - DCA

EZEDCA

Buenos Aires Ministro Pistarini

ד' 4/22

9:00 pm-11:35 am

1 stop15h 35m

Washington, D.C. Reagan-National

ג' 5/5

6:00 am-8:00 am

1 stop25h 00m

$813

Buenos AiresBaltimore

EZE - BWI

EZEBWI

Buenos Aires Ministro Pistarini

ה' 4/9

1:10 pm-10:51 am

2 stops22h 41m

Baltimore/Washington

א' 4/12

11:56 am-9:45 am

1 stop20h 49m

$817

Buenos AiresWashington, D.C.

EZE - DCA

EZEDCA

Buenos Aires Ministro Pistarini

ה' 5/7

9:00 pm-4:04 pm

1 stop20h 04m

Washington, D.C. Reagan-National

ד' 6/24

7:28 pm-8:00 am

1 stop35h 32m

$832

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 typical price of a round-trip flight between Buenos Aires and Washington, D.C.?

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

The month of September is, on average, the cheapest month to fly to Washington, D.C. from Buenos Aires, with most prices found around $717. If you’re not able to fly to Washington, D.C. in September, then August is your next best option. Flight prices from Buenos Aires to Washington, D.C. during August average around $749.

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

You could potentially save up to 5% 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 March 2026, prices for Buenos Aires to Washington, D.C. flights are approximately 16% 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.

Fastest flight time

13h 30m

Direct flights

None
The fastest flight from Buenos Aires to Washington, D.C. takes 13h 30m
There are no direct flights from Buenos Aires to Washington, D.C.. There are no popular flight routes from Buenos Aires to Washington, D.C..
  • 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 30m.

  • 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 $252Free CancellationRating
6.5
2,505 reviews
Search Avianca flights
DeltaPriceFrom $270Free CancellationRating
7.9
8,319 reviews
Search Delta flights
Copa AirlinesPriceFrom $378Free CancellationRating
7.5
1,575 reviews
Search Copa Airlines flights
American AirlinesPriceFrom $673Free CancellationRating
7.1
11,488 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
National Harbor
Gettysburg
Arlington
Waldorf
Woodbridge
Laurel
Colonial Beach
Gaithersburg
Towson
Silver Spring
Fredericksburg
Rockville
Tysons
Manassas
Linthicum Heights
Springfield
Bethesda
Fairfax
College Park

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.

An easier way to manage your Washington, D.C. trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
ד' 4/22
ד' 4/29

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.