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Cheap flights from Buenos Aires to Washington, D.C. from $419

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 3/5. 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

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American Airlines Logo
9:05 pm - 6:58 pm
EZE
-
DCA
22h 53m
1 stop
American Airlines Logo
8:10 pm - 8:05 pm
DCA
-
EZE
22h 55m
1 stop
$671American Airlines
Tue, Apr 7 - Sat, May 30
American Airlines Logo
9:10 pm - 11:06 am
EZE
-
DCA
14h 56m
1 stop
American Airlines Logo
5:00 am - 8:05 pm
DCA
-
EZE
14h 05m
2 stops
$675American Airlines
Mon, Jun 1 - Fri, Jun 12
American Airlines Logo
10:20 pm - 2:14 pm
EZE
-
DCA
16h 54m
1 stop
American Airlines Logo
4:59 pm - 7:15 am
DCA
-
EZE
13h 16m
1 stop
$682American Airlines
Fri, May 1 - Thu, May 14
Delta Logo
8:55 pm - 11:10 am
EZE
-
DCA
15h 15m
1 stop
Delta Logo
7:35 pm - 9:45 am
DCA
-
EZE
13h 10m
1 stop
$697Delta
Wed, Mar 11 - Sun, Mar 29
Delta Logo
8:10 pm - 9:13 am
EZE
-
DCA
14h 03m
1 stop
Delta Logo
7:30 pm - 9:45 am
DCA
-
EZE
13h 15m
1 stop
$699Delta
Mon, Jun 8 - Mon, Jun 15
United Airlines Logo
9:00 pm - 1:36 pm
EZE
-
DCA
17h 36m
1 stop
United Airlines Logo
11:05 am - 8:00 am
DCA
-
EZE
19h 55m
1 stop
$706United Airlines
Tue, Apr 21 - Mon, May 4
LATAM Airlines Logo
8:10 pm - 9:11 am
EZE
-
DCA
14h 01m
1 stop
LATAM Airlines Logo
6:25 pm - 9:45 am
DCA
-
EZE
14h 20m
1 stop
$713LATAM Airlines
Tue, May 19 - Wed, Aug 19
LATAM Airlines Logo
11:55 pm - 12:40 pm
EZE
-
DCA
13h 45m
1 stop
LATAM Airlines Logo
1:45 pm - 8:35 am
DCA
-
EZE
17h 50m
1 stop
$715LATAM Airlines
Thu, Mar 19 - Mon, Mar 30
American Airlines Logo
8:40 pm - 10:59 am
EZE
-
DCA
15h 19m
1 stop
American Airlines Logo
5:31 pm - 11:05 am
DCA
-
EZE
16h 34m
1 stop
$721American Airlines
Fri, May 1 - Thu, May 14
LATAM Airlines Logo
1:20 pm - 2:08 pm
EZE
-
DCA
25h 48m
1 stop
LATAM Airlines Logo
7:35 pm - 9:45 am
DCA
-
EZE
13h 10m
1 stop
$723LATAM Airlines
Wed, Apr 8 - Sun, Apr 19

American Airlines flights from Buenos Aires to Washington, D.C. Reagan-National Airport

Our best American Airlines deals on Buenos Aires to Washington, D.C. Reagan-National Airport flight tickets
American Airlines
Apr 7
EZE9:05 pmBuenos Aires Ministro Pistarini
22h 53m
1 stop
DCA6:58 pmWashington, D.C. Reagan-National
May 30
DCA8:10 pmWashington, D.C. Reagan-National
22h 55m
1 stop
EZE8:05 pmBuenos Aires Ministro Pistarini
$671
American Airlines
Jun 1
EZE9:10 pmBuenos Aires Ministro Pistarini
14h 56m
1 stop
DCA11:06 amWashington, D.C. Reagan-National
Jun 12
DCA5:00 amWashington, D.C. Reagan-National
14h 05m
2 stops
EZE8:05 pmBuenos Aires Ministro Pistarini
$675
American Airlines
May 1
EZE10:20 pmBuenos Aires Ministro Pistarini
16h 54m
1 stop
DCA2:14 pmWashington, D.C. Reagan-National
May 14
DCA4:59 pmWashington, D.C. Reagan-National
13h 16m
1 stop
EZE7:15 amBuenos Aires Ministro Pistarini
$682

LATAM Airlines flights from Buenos Aires to Washington, D.C. Reagan-National Airport

Our best LATAM Airlines deals on Buenos Aires to Washington, D.C. Reagan-National Airport flight tickets
LATAM Airlines
May 19
EZE8:10 pmBuenos Aires Ministro Pistarini
14h 01m
1 stop
DCA9:11 amWashington, D.C. Reagan-National
Aug 19
DCA6:25 pmWashington, D.C. Reagan-National
14h 20m
1 stop
EZE9:45 amBuenos Aires Ministro Pistarini
$713
LATAM Airlines
Mar 19
EZE11:55 pmBuenos Aires Ministro Pistarini
13h 45m
1 stop
DCA12:40 pmWashington, D.C. Reagan-National
Mar 30
DCA1:45 pmWashington, D.C. Reagan-National
17h 50m
1 stop
EZE8:35 amBuenos Aires Ministro Pistarini
$715
LATAM Airlines
Apr 8
EZE1:20 pmBuenos Aires Ministro Pistarini
25h 48m
1 stop
DCA2:08 pmWashington, D.C. Reagan-National
Apr 19
DCA7:35 pmWashington, D.C. Reagan-National
13h 10m
1 stop
EZE9:45 amBuenos Aires Ministro Pistarini
$723

momondo Fare Finder

 
Customize your flight search to find flights from Buenos Aires to Washington, D.C. Reagan-National Airport 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 February 11, 2026.
Use the filters below to find and compare flights from Buenos Aires to Washington, D.C. Reagan-National Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Buenos AiresWashington, D.C.

EZE - DCA

EZEDCA

Buenos Aires Ministro Pistarini

Tue 4/7

9:05 pm-6:58 pm

1 stop22h 53m

Washington, D.C. Reagan-National

Sat 5/30

8:10 pm-8:05 pm

1 stop22h 55m

$671

Buenos AiresWashington, D.C.

EZE - DCA

EZEDCA

Buenos Aires Ministro Pistarini

Mon 6/1

9:10 pm-11:06 am

1 stop14h 56m

Washington, D.C. Reagan-National

Fri 6/12

5:00 am-8:05 pm

2 stops14h 05m

$675

Buenos AiresWashington, D.C.

EZE - DCA

EZEDCA

Buenos Aires Ministro Pistarini

Fri 5/1

10:20 pm-2:14 pm

1 stop16h 54m

Washington, D.C. Reagan-National

Thu 5/14

4:59 pm-7:15 am

1 stop13h 16m

$682

Buenos AiresWashington, D.C.

EZE - DCA

EZEDCA

Buenos Aires Ministro Pistarini

Wed 3/11

8:55 pm-11:10 am

1 stop15h 15m

Washington, D.C. Reagan-National

Sun 3/29

7:35 pm-9:45 am

1 stop13h 10m

$697

Buenos AiresWashington, D.C.

EZE - DCA

EZEDCA

Buenos Aires Ministro Pistarini

Mon 6/8

8:10 pm-9:13 am

1 stop14h 03m

Washington, D.C. Reagan-National

Mon 6/15

7:30 pm-9:45 am

1 stop13h 15m

$699

Buenos AiresWashington, D.C.

EZE - DCA

EZEDCA

Buenos Aires Ministro Pistarini

Tue 4/21

9:00 pm-1:36 pm

1 stop17h 36m

Washington, D.C. Reagan-National

Mon 5/4

11:05 am-8:00 am

1 stop19h 55m

$706

Buenos AiresWashington, D.C.

EZE - DCA

EZEDCA

Buenos Aires Ministro Pistarini

Tue 5/19

8:10 pm-9:11 am

1 stop14h 01m

Washington, D.C. Reagan-National

Wed 8/19

6:25 pm-9:45 am

1 stop14h 20m

$713

Buenos AiresWashington, D.C.

EZE - DCA

EZEDCA

Buenos Aires Ministro Pistarini

Thu 3/19

11:55 pm-12:40 pm

1 stop13h 45m

Washington, D.C. Reagan-National

Mon 3/30

1:45 pm-8:35 am

1 stop17h 50m

$715

Buenos AiresWashington, D.C.

EZE - DCA

EZEDCA

Buenos Aires Ministro Pistarini

Fri 5/1

8:40 pm-10:59 am

1 stop15h 19m

Washington, D.C. Reagan-National

Thu 5/14

5:31 pm-11:05 am

1 stop16h 34m

$721

Buenos AiresWashington, D.C.

EZE - DCA

EZEDCA

Buenos Aires Ministro Pistarini

Wed 4/8

1:20 pm-2:08 pm

1 stop25h 48m

Washington, D.C. Reagan-National

Sun 4/19

7:35 pm-9:45 am

1 stop13h 10m

$723

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. Reagan-National Airport

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. Reagan-National Airport?

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

You could potentially save up to 32% on your flight if you consider stops on a Buenos Aires to Washington, D.C. Reagan-National Airport flight.

When to book flights from Buenos Aires to Washington, D.C. Reagan-National Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Buenos Aires to Washington, D.C. Reagan-National Airport 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. Reagan-National Airport (BUE to DCA) flight deals and tips

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

Fastest flight time

13h 59m

Direct flights

None
The fastest flight from Buenos Aires to Washington, D.C. Reagan-National Airport takes 13h 59m
There are no direct flights from Buenos Aires to Washington, D.C. Reagan-National Airport. There are no popular flight routes from Buenos Aires to Washington, D.C. Reagan-National Airport.
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  • How far is Buenos Aires to Washington, D.C. Reagan-National by plane?

    The straight-line distance from Buenos Aires to Washington, D.C. Reagan-National is 5210.8 mi. 13h 59m is a normal flight duration for this route.

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

    Prices for flights from Buenos Aires to Washington, D.C. Reagan-National Airport refresh daily.

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

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Buenos Aires to Washington, D.C. Reagan-National Airport.

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

    The necessary travel and health documents for your Washington, D.C. Reagan-National Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Buenos Aires to Washington, D.C. Reagan-National Airport

Compare and see reviews for airlines that fly from Buenos Aires to Washington, D.C. Reagan-National Airport with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $427Free CancellationRating
7.9
8,180 reviews
Search Delta flights
American AirlinesPriceFrom $673Free CancellationRating
7.2
11,271 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
Tysons
Silver Spring
Towson
Fredericksburg
Gaithersburg
Rockville
Manassas
Springfield
Fairfax
Linthicum Heights
Bethesda
Glen Burnie

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Buenos Aires to Washington, D.C.. Millions of users trust and use momondo every year so you are in good hands.

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

Yes. momondo allows you to filter the results for Buenos Aires to Washington, D.C. flights to just show those with flexible booking policies.

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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