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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 2/6. 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
9:25 pm - 12:30 pm
EZE
-
DCA
17h 05m1 stop
American Airlines Logo
10:05 am - 8:00 am
DCA
-
EZE
20h 55m1 stop
$650American Airlines
Tue, Feb 17 - Tue, Mar 17
American Airlines Logo
11:00 pm - 1:44 pm
EZE
-
DCA
16h 44m2 stops
American Airlines Logo
5:58 pm - 8:00 am
DCA
-
EZE
13h 02m1 stop
$654American Airlines
Tue, Feb 17 - Tue, Mar 17
United Airlines Logo
11:55 pm - 1:49 pm
EZE
-
DCA
15h 54m1 stop
United Airlines Logo
6:00 am - 7:20 am
DCA
-
EZE
23h 20m1 stop
$684United Airlines
Thu, Jan 29 - Thu, Feb 5
LATAM Airlines Logo
8:00 am - 11:32 pm
EZE
-
DCA
17h 32m2 stops
LATAM Airlines Logo
2:36 pm - 9:35 am
DCA
-
EZE
17h 59m1 stop
$709LATAM Airlines
Tue, Feb 17 - Tue, Mar 17
United Airlines Logo
11:55 pm - 1:49 pm
EZE
-
DCA
15h 54m1 stop
United Airlines Logo
11:00 am - 7:20 am
DCA
-
EZE
18h 20m1 stop
$716United Airlines
Wed, Jan 28 - Thu, Feb 5
LATAM Airlines Logo
8:10 pm - 10:56 am
EZE
-
DCA
15h 46m1 stop
LATAM Airlines Logo
2:55 pm - 8:35 am
DCA
-
EZE
16h 40m1 stop
$737LATAM Airlines
Thu, Apr 16 - Thu, Apr 23
LATAM Airlines Logo
8:00 am - 11:32 pm
EZE
-
DCA
17h 32m2 stops
LATAM Airlines Logo
6:00 pm - 9:35 am
DCA
-
EZE
14h 35m2 stops
$742LATAM Airlines
Tue, Feb 17 - Tue, Mar 17
American Airlines Logo
10:25 pm - 12:37 pm
EZE
-
DCA
16h 12m1 stop
American Airlines Logo
10:35 am - 8:20 am
DCA
-
EZE
19h 45m1 stop
$748American Airlines
Tue, Feb 24 - Sat, Mar 7
Delta Logo
10:25 pm - 4:29 pm
EZE
-
DCA
20h 04m1 stop
Delta Logo
1:40 pm - 9:00 am
DCA
-
EZE
17h 20m1 stop
$756Delta
Wed, Jan 28 - Thu, Feb 5
Multiple Airlines Logo
7:15 pm - 10:56 am
AEP
-
DCA
40h 41m2 stops
Multiple Airlines Logo
2:55 pm - 6:30 pm
DCA
-
AEP
50h 35m2 stops
$897Multiple Airlines
Thu, Apr 30 - Wed, Jun 3

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
Feb 17
EZE9:25 pmBuenos Aires Ministro Pistarini
17h 05m
1 stop
DCA12:30 pmWashington, D.C. Reagan-National
Mar 17
DCA10:05 amWashington, D.C. Reagan-National
20h 55m
1 stop
EZE8:00 amBuenos Aires Ministro Pistarini
$650
Find similar
American Airlines
Feb 17
EZE11:00 pmBuenos Aires Ministro Pistarini
16h 44m
2 stops
DCA1:44 pmWashington, D.C. Reagan-National
Mar 17
DCA5:58 pmWashington, D.C. Reagan-National
13h 02m
1 stop
EZE8:00 amBuenos Aires Ministro Pistarini
$654
Find similar
American Airlines
Feb 24
EZE10:25 pmBuenos Aires Ministro Pistarini
16h 12m
1 stop
DCA12:37 pmWashington, D.C. Reagan-National
Mar 7
DCA10:35 amWashington, D.C. Reagan-National
19h 45m
1 stop
EZE8:20 amBuenos Aires Ministro Pistarini
$748
Find similar

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
Feb 17
EZE8:00 amBuenos Aires Ministro Pistarini
17h 32m
2 stops
DCA11:32 pmWashington, D.C. Reagan-National
Mar 17
DCA2:36 pmWashington, D.C. Reagan-National
17h 59m
1 stop
EZE9:35 amBuenos Aires Ministro Pistarini
$709
Find similar
LATAM Airlines
Apr 16
EZE8:10 pmBuenos Aires Ministro Pistarini
15h 46m
1 stop
DCA10:56 amWashington, D.C. Reagan-National
Apr 23
DCA2:55 pmWashington, D.C. Reagan-National
16h 40m
1 stop
EZE8:35 amBuenos Aires Ministro Pistarini
$737
Find similar
LATAM Airlines
Feb 17
EZE8:00 amBuenos Aires Ministro Pistarini
17h 32m
2 stops
DCA11:32 pmWashington, D.C. Reagan-National
Mar 17
DCA6:00 pmWashington, D.C. Reagan-National
14h 35m
2 stops
EZE9:35 amBuenos Aires Ministro Pistarini
$742
Find similar

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 December 18, 2025.
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 2/17

9:25 pm-12:30 pm

1 stop17h 05m

Washington, D.C. Reagan-National

Tue 3/17

10:05 am-8:00 am

1 stop20h 55m

$650

Buenos AiresWashington, D.C.

EZE - DCA

EZEDCA

Buenos Aires Ministro Pistarini

Tue 2/17

11:00 pm-1:44 pm

2 stops16h 44m

Washington, D.C. Reagan-National

Tue 3/17

5:58 pm-8:00 am

1 stop13h 02m

$654

Buenos AiresWashington, D.C.

EZE - DCA

EZEDCA

Buenos Aires Ministro Pistarini

Thu 1/29

11:55 pm-1:49 pm

1 stop15h 54m

Washington, D.C. Reagan-National

Thu 2/5

6:00 am-7:20 am

1 stop23h 20m

$684

Buenos AiresWashington, D.C.

EZE - DCA

EZEDCA

Buenos Aires Ministro Pistarini

Tue 2/17

8:00 am-11:32 pm

2 stops17h 32m

Washington, D.C. Reagan-National

Tue 3/17

2:36 pm-9:35 am

1 stop17h 59m

$709

Buenos AiresWashington, D.C.

EZE - DCA

EZEDCA

Buenos Aires Ministro Pistarini

Wed 1/28

11:55 pm-1:49 pm

1 stop15h 54m

Washington, D.C. Reagan-National

Thu 2/5

11:00 am-7:20 am

1 stop18h 20m

$716

Buenos AiresWashington, D.C.

EZE - DCA

EZEDCA

Buenos Aires Ministro Pistarini

Thu 4/16

8:10 pm-10:56 am

1 stop15h 46m

Washington, D.C. Reagan-National

Thu 4/23

2:55 pm-8:35 am

1 stop16h 40m

$737

Buenos AiresWashington, D.C.

EZE - DCA

EZEDCA

Buenos Aires Ministro Pistarini

Tue 2/17

8:00 am-11:32 pm

2 stops17h 32m

Washington, D.C. Reagan-National

Tue 3/17

6:00 pm-9:35 am

2 stops14h 35m

$742

Buenos AiresWashington, D.C.

EZE - DCA

EZEDCA

Buenos Aires Ministro Pistarini

Tue 2/24

10:25 pm-12:37 pm

1 stop16h 12m

Washington, D.C. Reagan-National

Sat 3/7

10:35 am-8:20 am

1 stop19h 45m

$748

Buenos AiresWashington, D.C.

EZE - DCA

EZEDCA

Buenos Aires Ministro Pistarini

Wed 1/28

10:25 pm-4:29 pm

1 stop20h 04m

Washington, D.C. Reagan-National

Thu 2/5

1:40 pm-9:00 am

1 stop17h 20m

$756

Buenos AiresWashington, D.C.

AEP - DCA

AEPDCA

Buenos Aires Jorge Newbery

Thu 4/30

7:15 pm-10:56 am

2 stops40h 41m

Washington, D.C. Reagan-National

Wed 6/3

2:55 pm-6:30 pm

2 stops50h 35m

$897

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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 day to depart on your flight to Washington, D.C. Reagan-National Airport?

The cheapest day to depart from Buenos Aires to Washington, D.C. Reagan-National Airport is on a Friday. Travelers who choose to depart for Washington, D.C. Reagan-National Airport on a Friday will often find tickets for as low as $1,051. Flights from Buenos Aires to Washington, D.C. Reagan-National Airport on a Saturday will generally be more expensive and average around $1,578. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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

You could potentially save up to 33% 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

14h 18m

Direct flights

None
The fastest flight from Buenos Aires to Washington, D.C. Reagan-National Airport takes 14h 18m
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. 14h 18m 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
American AirlinesPriceFrom $673Free CancellationRating
7.2
11,054 reviews
Search American Airlines flights
DeltaPriceFrom $759Free CancellationRating
7.9
8,005 reviews
Search Delta 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
Woodbridge
Waldorf
Tysons
Laurel
Colonial Beach
Silver Spring
Fredericksburg
Towson
Rockville
Gaithersburg
Reston
Manassas
Fairfax
Glen Burnie
Linthicum Heights
Bethesda

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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