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Cheap flights from Buenos Aires to Washington, D.C. from $354

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 7/8. 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.
LATAM Airlines Logo
10:40 pm - 2:05 pm
EZE
-
DCA
16h 25m
1 stop
LATAM Airlines Logo
7:45 pm - 9:45 am
DCA
-
EZE
13h 00m
1 stop
$692LATAM Airlines
Sat, Jun 6 - Sat, Aug 15
American Airlines Logo
10:35 pm - 6:18 pm
EZE
-
DCA
20h 43m
1 stop
American Airlines Logo
5:00 am - 8:15 pm
DCA
-
EZE
14h 15m
2 stops
$696American Airlines
Sun, Jun 7 - Fri, Jun 12
LATAM Airlines Logo
1:10 pm - 2:05 pm
EZE
-
DCA
25h 55m
1 stop
LATAM Airlines Logo
11:00 am - 6:21 pm
DCA
-
EZE
30h 21m
2 stops
$701LATAM Airlines
Mon, Aug 10 - Fri, Aug 28
United Airlines Logo
9:00 pm - 9:06 pm
EZE
-
DCA
25h 06m
1 stop
United Airlines Logo
2:40 pm - 8:00 am
DCA
-
EZE
16h 20m
1 stop
$704United Airlines
Thu, Jul 16 - Wed, Aug 12
Multiple Airlines Logo
9:00 pm - 4:03 pm
EZE
-
DCA
20h 03m
1 stop
Multiple Airlines Logo
6:00 am - 8:00 am
DCA
-
EZE
25h 00m
1 stop
$706Multiple Airlines
Wed, Jun 10 - Sat, Jul 11
LATAM Airlines Logo
10:40 pm - 2:05 pm
EZE
-
DCA
16h 25m
1 stop
LATAM Airlines Logo
2:45 pm - 9:40 am
DCA
-
EZE
17h 55m
1 stop
$714LATAM Airlines
Sat, Jun 6 - Fri, Jun 19
American Airlines Logo
8:35 pm - 4:26 pm
EZE
-
DCA
20h 51m
1 stop
American Airlines Logo
6:59 pm - 11:05 am
DCA
-
EZE
15h 06m
1 stop
$717American Airlines
Fri, Jun 5 - Sun, Jun 28
American Airlines Logo
10:35 pm - 4:25 pm
EZE
-
DCA
18h 50m
1 stop
American Airlines Logo
5:24 pm - 8:50 am
DCA
-
EZE
14h 26m
1 stop
$721American Airlines
Sat, Jun 6 - Fri, Jun 19
United Airlines Logo
9:00 pm - 10:08 pm
EZE
-
DCA
26h 08m
1 stop
United Airlines Logo
7:50 pm - 8:00 am
DCA
-
EZE
35h 10m
1 stop
$722United Airlines
Tue, Sep 8 - Tue, Sep 22
American Airlines Logo
9:15 am - 10:00 pm
EZE
-
DCA
13h 45m
1 stop
American Airlines Logo
5:26 pm - 8:50 am
DCA
-
EZE
14h 24m
2 stops
$725American Airlines
Sat, Jun 6 - Fri, Jun 19

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
Jun 6
EZE10:40 pmBuenos Aires Ministro Pistarini
16h 25m
1 stop
DCA2:05 pmWashington, D.C. Reagan-National
Aug 15
DCA7:45 pmWashington, D.C. Reagan-National
13h 00m
1 stop
EZE9:45 amBuenos Aires Ministro Pistarini
$692
LATAM Airlines
Aug 10
EZE1:10 pmBuenos Aires Ministro Pistarini
25h 55m
1 stop
DCA2:05 pmWashington, D.C. Reagan-National
Aug 28
DCA11:00 amWashington, D.C. Reagan-National
30h 21m
2 stops
EZE6:21 pmBuenos Aires Ministro Pistarini
$701
LATAM Airlines
Jun 6
EZE10:40 pmBuenos Aires Ministro Pistarini
16h 25m
1 stop
DCA2:05 pmWashington, D.C. Reagan-National
Jun 19
DCA2:45 pmWashington, D.C. Reagan-National
17h 55m
1 stop
EZE9:40 amBuenos Aires Ministro Pistarini
$714

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

Our best United Airlines deals on Buenos Aires to Washington, D.C. Reagan-National Airport flight tickets
United Airlines
Jul 16
EZE9:00 pmBuenos Aires Ministro Pistarini
25h 06m
1 stop
DCA9:06 pmWashington, D.C. Reagan-National
Aug 12
DCA2:40 pmWashington, D.C. Reagan-National
16h 20m
1 stop
EZE8:00 amBuenos Aires Ministro Pistarini
$704
United Airlines
Sep 8
EZE9:00 pmBuenos Aires Ministro Pistarini
26h 08m
1 stop
DCA10:08 pmWashington, D.C. Reagan-National
Sep 22
DCA7:50 pmWashington, D.C. Reagan-National
35h 10m
1 stop
EZE8:00 amBuenos Aires Ministro Pistarini
$722
United Airlines
Jun 10
EZE9:00 pmBuenos Aires Ministro Pistarini
22h 31m
1 stop
DCA6:31 pmWashington, D.C. Reagan-National
Jul 11
DCA8:20 amWashington, D.C. Reagan-National
22h 40m
1 stop
EZE8:00 amBuenos Aires Ministro Pistarini
$759

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 May 17, 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

Cheapest round-trip

Buenos AiresWashington, D.C.

EZE - DCA

EZEDCA

Buenos Aires Ministro Pistarini

Sat 6/6

10:40 pm-2:05 pm

1 stop16h 25m

Washington, D.C. Reagan-National

Sat 8/15

7:45 pm-9:45 am

1 stop13h 00m

$692

Buenos AiresWashington, D.C.

EZE - DCA

EZEDCA

Buenos Aires Ministro Pistarini

Sun 6/7

10:35 pm-6:18 pm

1 stop20h 43m

Washington, D.C. Reagan-National

Fri 6/12

5:00 am-8:15 pm

2 stops14h 15m

$696

Buenos AiresWashington, D.C.

EZE - DCA

EZEDCA

Buenos Aires Ministro Pistarini

Mon 8/10

1:10 pm-2:05 pm

1 stop25h 55m

Washington, D.C. Reagan-National

Fri 8/28

11:00 am-6:21 pm

2 stops30h 21m

$701

Buenos AiresWashington, D.C.

EZE - DCA

EZEDCA

Buenos Aires Ministro Pistarini

Thu 7/16

9:00 pm-9:06 pm

1 stop25h 06m

Washington, D.C. Reagan-National

Wed 8/12

2:40 pm-8:00 am

1 stop16h 20m

$704

Buenos AiresWashington, D.C.

EZE - DCA

EZEDCA

Buenos Aires Ministro Pistarini

Wed 6/10

9:00 pm-4:03 pm

1 stop20h 03m

Washington, D.C. Reagan-National

Sat 7/11

6:00 am-8:00 am

1 stop25h 00m

$706

Buenos AiresWashington, D.C.

EZE - DCA

EZEDCA

Buenos Aires Ministro Pistarini

Sat 6/6

10:40 pm-2:05 pm

1 stop16h 25m

Washington, D.C. Reagan-National

Fri 6/19

2:45 pm-9:40 am

1 stop17h 55m

$714

Buenos AiresWashington, D.C.

EZE - DCA

EZEDCA

Buenos Aires Ministro Pistarini

Fri 6/5

8:35 pm-4:26 pm

1 stop20h 51m

Washington, D.C. Reagan-National

Sun 6/28

6:59 pm-11:05 am

1 stop15h 06m

$717

Buenos AiresWashington, D.C.

EZE - DCA

EZEDCA

Buenos Aires Ministro Pistarini

Sat 6/6

10:35 pm-4:25 pm

1 stop18h 50m

Washington, D.C. Reagan-National

Fri 6/19

5:24 pm-8:50 am

1 stop14h 26m

$721

Buenos AiresWashington, D.C.

EZE - DCA

EZEDCA

Buenos Aires Ministro Pistarini

Tue 9/8

9:00 pm-10:08 pm

1 stop26h 08m

Washington, D.C. Reagan-National

Tue 9/22

7:50 pm-8:00 am

1 stop35h 10m

$722
Quickest round-trip

Buenos AiresWashington, D.C.

EZE - DCA

EZEDCA

Buenos Aires Ministro Pistarini

Sat 6/6

9:15 am-10:00 pm

1 stop13h 45m

Washington, D.C. Reagan-National

Fri 6/19

5:26 pm-8:50 am

2 stops14h 24m

$725

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 cheapest month to fly to Washington, D.C. Reagan-National Airport?

The month of February is, on average, the cheapest month to fly to Washington, D.C. Reagan-National Airport from Buenos Aires, with most prices found around $0. If you aren’t able to travel to Washington, D.C. Reagan-National Airport during the month of February, then flying in December is also cheap. Prices for this month can be found on momondo for an average of $427.

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

You could potentially save up to 41% 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

15h 40m

Direct flights

None
The fastest flight from Buenos Aires to Washington, D.C. Reagan-National Airport takes 15h 40m
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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Frequently asked questions about flying from Buenos Aires to Washington, D.C. Reagan-National Airport

  • 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. 15h 40m 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
8,453 reviews
Search Delta flights
American AirlinesPriceFrom $673Free CancellationRating
7.1
11,654 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
Gaithersburg
Colonial Beach
Fredericksburg
Silver Spring
Towson
Rockville
Manassas
Linthicum Heights
Tysons
Bethesda
Springfield
Fairfax
College Park

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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