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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 2/28. 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

Enter your travel dates to find the best prices.
American Airlines Logo
8:40 pm - 2:14 pm
EZE
-
DCA
18h 34m
1 stop
American Airlines Logo
5:48 pm - 8:50 am
DCA
-
EZE
14h 02m
1 stop
$671American Airlines
Wed, Apr 15 - Wed, Apr 22
Delta Logo
8:10 pm - 11:25 am
EZE
-
DCA
16h 15m
1 stop
Delta Logo
4:00 pm - 9:45 am
DCA
-
EZE
16h 45m
1 stop
$697Delta
Wed, Apr 22 - Tue, May 12
LATAM Airlines Logo
7:45 am - 11:41 pm
EZE
-
DCA
16h 56m
2 stops
LATAM Airlines Logo
2:44 pm - 8:35 am
DCA
-
EZE
16h 51m
1 stop
$706LATAM Airlines
Mon, Apr 27 - Mon, May 11
LATAM Airlines Logo
11:55 pm - 12:40 pm
EZE
-
DCA
13h 45m
1 stop
LATAM Airlines Logo
6:00 pm - 9:45 am
DCA
-
EZE
14h 45m
1 stop
$713LATAM Airlines
Thu, Mar 26 - Tue, Apr 7
LATAM Airlines Logo
10:25 pm - 5:00 pm
EZE
-
DCA
19h 35m
1 stop
LATAM Airlines Logo
7:43 pm - 2:45 am
DCA
-
EZE
30h 02m
2 stops
$722LATAM Airlines
Wed, Mar 25 - Mon, Apr 6
LATAM Airlines Logo
10:25 pm - 5:00 pm
EZE
-
DCA
19h 35m
1 stop
LATAM Airlines Logo
5:09 pm - 11:30 am
DCA
-
EZE
17h 21m
2 stops
$741LATAM Airlines
Wed, Mar 25 - Mon, Apr 6
LATAM Airlines Logo
5:36 am - 2:08 pm
EZE
-
DCA
33h 32m
3 stops
LATAM Airlines Logo
5:09 pm - 11:30 am
DCA
-
EZE
17h 21m
2 stops
$746LATAM Airlines
Mon, Mar 30 - Mon, Apr 6
LATAM Airlines Logo
5:05 pm - 2:01 pm
AEP
-
DCA
21h 56m
2 stops
LATAM Airlines Logo
3:00 pm - 2:50 pm
DCA
-
AEP
22h 50m
2 stops
$758LATAM Airlines
Sun, Apr 19 - Thu, Apr 23
LATAM Airlines Logo
9:55 pm - 11:39 pm
EZE
-
DCA
26h 44m
2 stops
LATAM Airlines Logo
5:09 pm - 11:30 am
DCA
-
EZE
17h 21m
2 stops
$759LATAM Airlines
Wed, Mar 25 - Mon, Apr 6
American Airlines Logo
10:20 pm - 10:59 am
EZE
-
DCA
13h 39m
1 stop
American Airlines Logo
4:59 pm - 8:50 am
DCA
-
EZE
14h 51m
1 stop
$771American Airlines
Fri, May 1 - Thu, May 14

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

Our best GOL deals on Buenos Aires to Washington, D.C. Reagan-National Airport flight tickets
GOL
May 12
AEP3:40 amBuenos Aires Jorge Newbery
20h 54m
2 stops
DCA11:34 pmWashington, D.C. Reagan-National
May 24
DCA11:50 amWashington, D.C. Reagan-National
24h 10m
2 stops
AEP1:00 pmBuenos Aires Jorge Newbery
$1,580
GOL
May 12
AEP3:40 amBuenos Aires Jorge Newbery
20h 54m
2 stops
DCA11:34 pmWashington, D.C. Reagan-National
May 24
DCA3:00 pmWashington, D.C. Reagan-National
21h 00m
2 stops
AEP1:00 pmBuenos Aires Jorge Newbery
$2,312

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

Our best Delta deals on Buenos Aires to Washington, D.C. Reagan-National Airport flight tickets
Delta
Apr 22
EZE8:10 pmBuenos Aires Ministro Pistarini
16h 15m
1 stop
DCA11:25 amWashington, D.C. Reagan-National
May 6
DCA3:00 pmWashington, D.C. Reagan-National
16h 35m
1 stop
EZE8:35 amBuenos Aires Ministro Pistarini
$697
Delta
Feb 23
EZE8:55 pmBuenos Aires Ministro Pistarini
14h 15m
1 stop
DCA9:10 amWashington, D.C. Reagan-National
Mar 8
DCA3:50 pmWashington, D.C. Reagan-National
16h 45m
2 stops
EZE9:35 amBuenos Aires Ministro Pistarini
$793
Delta
Apr 23
EZE7:45 amBuenos Aires Ministro Pistarini
16h 56m
2 stops
DCA11:41 pmWashington, D.C. Reagan-National
May 12
DCA4:00 pmWashington, D.C. Reagan-National
15h 35m
2 stops
EZE8:35 amBuenos Aires Ministro Pistarini
$861

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 16, 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

Wed 4/15

8:40 pm-2:14 pm

1 stop18h 34m

Washington, D.C. Reagan-National

Wed 4/22

5:48 pm-8:50 am

1 stop14h 02m

$671

Buenos AiresWashington, D.C.

EZE - DCA

EZEDCA

Buenos Aires Ministro Pistarini

Wed 4/22

8:10 pm-11:25 am

1 stop16h 15m

Washington, D.C. Reagan-National

Tue 5/12

4:00 pm-9:45 am

1 stop16h 45m

$697

Buenos AiresWashington, D.C.

EZE - DCA

EZEDCA

Buenos Aires Ministro Pistarini

Mon 4/27

7:45 am-11:41 pm

2 stops16h 56m

Washington, D.C. Reagan-National

Mon 5/11

2:44 pm-8:35 am

1 stop16h 51m

$706

Buenos AiresWashington, D.C.

EZE - DCA

EZEDCA

Buenos Aires Ministro Pistarini

Thu 3/26

11:55 pm-12:40 pm

1 stop13h 45m

Washington, D.C. Reagan-National

Tue 4/7

6:00 pm-9:45 am

1 stop14h 45m

$713

Buenos AiresWashington, D.C.

EZE - DCA

EZEDCA

Buenos Aires Ministro Pistarini

Wed 3/25

10:25 pm-5:00 pm

1 stop19h 35m

Washington, D.C. Reagan-National

Mon 4/6

7:43 pm-2:45 am

2 stops30h 02m

$722

Buenos AiresWashington, D.C.

EZE - DCA

EZEDCA

Buenos Aires Ministro Pistarini

Wed 3/25

10:25 pm-5:00 pm

1 stop19h 35m

Washington, D.C. Reagan-National

Mon 4/6

5:09 pm-11:30 am

2 stops17h 21m

$741

Buenos AiresWashington, D.C.

EZE - DCA

EZEDCA

Buenos Aires Ministro Pistarini

Mon 3/30

5:36 am-2:08 pm

3 stops33h 32m

Washington, D.C. Reagan-National

Mon 4/6

5:09 pm-11:30 am

2 stops17h 21m

$746

Buenos AiresWashington, D.C.

AEP - DCA

AEPDCA

Buenos Aires Jorge Newbery

Sun 4/19

5:05 pm-2:01 pm

2 stops21h 56m

Washington, D.C. Reagan-National

Thu 4/23

3:00 pm-2:50 pm

2 stops22h 50m

$758

Buenos AiresWashington, D.C.

EZE - DCA

EZEDCA

Buenos Aires Ministro Pistarini

Wed 3/25

9:55 pm-11:39 pm

2 stops26h 44m

Washington, D.C. Reagan-National

Mon 4/6

5:09 pm-11:30 am

2 stops17h 21m

$759

Buenos AiresWashington, D.C.

EZE - DCA

EZEDCA

Buenos Aires Ministro Pistarini

Fri 5/1

10:20 pm-10:59 am

1 stop13h 39m

Washington, D.C. Reagan-National

Thu 5/14

4:59 pm-8:50 am

1 stop14h 51m

$771

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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
8,206 reviews
Search Delta flights
American AirlinesPriceFrom $673Free CancellationRating
7.2
11,294 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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