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Cheap flights from Buenos Aires to Washington, D.C. from $443

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 3/18. 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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American Airlines Logo
8:45 pm - 4:54 pmEZE-DCA
22h 09m1 stop
American Airlines Logo
1:44 pm - 10:40 amDCA-EZE
18h 56m1 stop
$654American Airlines
Find Deal
Thu, Nov 27 - Thu, Dec 4
United Airlines Logo
11:55 pm - 8:45 pmEZE-DCA
22h 50m1 stop
United Airlines Logo
12:50 pm - 7:20 amDCA-EZE
16h 30m1 stop
$679United Airlines
Find Deal
Mon, Nov 17 - Sun, Nov 23
United Airlines Logo
11:55 pm - 3:58 pmEZE-DCA
18h 03m1 stop
United Airlines Logo
11:00 am - 9:20 amDCA-EZE
20h 20m1 stop
$688United Airlines
Find Deal
Thu, Nov 20 - Sun, Dec 28
LATAM Airlines Logo
8:00 am - 11:34 pmEZE-DCA
17h 34m2 stops
LATAM Airlines Logo
1:45 pm - 9:35 amDCA-EZE
18h 50m2 stops
$744LATAM Airlines
Find Deal
Tue, Feb 17 - Tue, Mar 17
Delta Logo
11:55 pm - 11:39 amEZE-DCA
13h 44m1 stop
Delta Logo
2:01 pm - 9:00 amDCA-EZE
16h 59m1 stop
$760Delta
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Thu, Nov 20 - Sun, Dec 28
LATAM Airlines Logo
5:15 pm - 2:00 pmAEP-DCA
22h 45m2 stops
LATAM Airlines Logo
7:30 pm - 6:40 pmDCA-AEP
22h 10m2 stops
$769LATAM Airlines
Find Deal
Tue, Feb 17 - Tue, Mar 17
Delta Logo
11:55 pm - 7:09 pmEZE-DCA
21h 14m1 stop
Delta Logo
10:15 am - 6:05 amDCA-EZE
17h 50m2 stops
$821Delta
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Fri, Dec 19 - Sat, Jan 17
Air Canada Logo
4:45 pm - 8:55 amEZE-DCA
18h 10m2 stops
Air Canada Logo
8:40 pm - 3:10 pmDCA-EZE
17h 30m2 stops
$934Air Canada
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Wed, Dec 10 - Sun, Mar 22
Multiple Airlines Logo
5:15 pm - 11:20 amAEP-DCA
44h 05m3 stops
Multiple Airlines Logo
2:55 pm - 7:40 pmDCA-AEP
27h 45m2 stops
$1,150Multiple Airlines
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Sun, Feb 1 - Wed, Apr 1
Multiple Airlines Logo
9:59 pm - 10:35 pmAEP-DCA
26h 36m3 stops
Multiple Airlines Logo
8:40 pm - 9:20 pmDCA-AEP
22h 40m2 stops
$1,440Multiple Airlines
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Sat, Dec 20 - Wed, Jan 21

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
Nov 27
EZE8:45 pmBuenos Aires Ministro Pistarini
22h 09m
1 stop
DCA4:54 pmWashington, D.C. Reagan-National
Dec 4
DCA1:44 pmWashington, D.C. Reagan-National
18h 56m
1 stop
EZE10:40 amBuenos Aires Ministro Pistarini
$654
Find similar
American Airlines
Feb 17
EZE11:59 pmBuenos Aires Ministro Pistarini
16h 15m
1 stop
DCA2:14 pmWashington, D.C. Reagan-National
Mar 17
DCA9:59 amWashington, D.C. Reagan-National
20h 16m
1 stop
EZE7:15 amBuenos Aires Ministro Pistarini
$704
Find similar
American Airlines
Feb 17
EZE11:59 pmBuenos Aires Ministro Pistarini
15h 55m
2 stops
DCA1:54 pmWashington, D.C. Reagan-National
Mar 17
DCA1:45 pmWashington, D.C. Reagan-National
19h 30m
1 stop
EZE10:15 amBuenos Aires Ministro Pistarini
$708
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 34m
2 stops
DCA11:34 pmWashington, D.C. Reagan-National
Mar 17
DCA1:45 pmWashington, D.C. Reagan-National
18h 50m
2 stops
EZE9:35 amBuenos Aires Ministro Pistarini
$744
Find similar
LATAM Airlines
Feb 17
AEP5:15 pmBuenos Aires Jorge Newbery
22h 45m
2 stops
DCA2:00 pmWashington, D.C. Reagan-National
Mar 17
DCA7:30 pmWashington, D.C. Reagan-National
22h 10m
2 stops
AEP6:40 pmBuenos Aires Jorge Newbery
$769
Find similar
LATAM Airlines
Feb 17
EZE8:00 amBuenos Aires Ministro Pistarini
17h 34m
2 stops
DCA11:34 pmWashington, D.C. Reagan-National
Mar 17
DCA1:45 pmWashington, D.C. Reagan-National
18h 50m
2 stops
EZE9:35 amBuenos Aires Ministro Pistarini
$774
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 November 3, 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

Thu 11/27

8:45 pm-4:54 pm

1 stop22h 09m

Washington, D.C. Reagan-National

Thu 12/4

1:44 pm-10:40 am

1 stop18h 56m

$654

Buenos AiresWashington, D.C.

EZE - DCA

EZEDCA

Buenos Aires Ministro Pistarini

Mon 11/17

11:55 pm-8:45 pm

1 stop22h 50m

Washington, D.C. Reagan-National

Sun 11/23

12:50 pm-7:20 am

1 stop16h 30m

$679

Buenos AiresWashington, D.C.

EZE - DCA

EZEDCA

Buenos Aires Ministro Pistarini

Thu 11/20

11:55 pm-3:58 pm

1 stop18h 03m

Washington, D.C. Reagan-National

Sun 12/28

11:00 am-9:20 am

1 stop20h 20m

$688

Buenos AiresWashington, D.C.

EZE - DCA

EZEDCA

Buenos Aires Ministro Pistarini

Tue 2/17

8:00 am-11:34 pm

2 stops17h 34m

Washington, D.C. Reagan-National

Tue 3/17

1:45 pm-9:35 am

2 stops18h 50m

$744

Buenos AiresWashington, D.C.

EZE - DCA

EZEDCA

Buenos Aires Ministro Pistarini

Thu 11/20

11:55 pm-11:39 am

1 stop13h 44m

Washington, D.C. Reagan-National

Sun 12/28

2:01 pm-9:00 am

1 stop16h 59m

$760

Buenos AiresWashington, D.C.

AEP - DCA

AEPDCA

Buenos Aires Jorge Newbery

Tue 2/17

5:15 pm-2:00 pm

2 stops22h 45m

Washington, D.C. Reagan-National

Tue 3/17

7:30 pm-6:40 pm

2 stops22h 10m

$769

Buenos AiresWashington, D.C.

EZE - DCA

EZEDCA

Buenos Aires Ministro Pistarini

Fri 12/19

11:55 pm-7:09 pm

1 stop21h 14m

Washington, D.C. Reagan-National

Sat 1/17

10:15 am-6:05 am

2 stops17h 50m

$821

Buenos AiresWashington, D.C.

EZE - DCA

EZEDCA

Buenos Aires Ministro Pistarini

Wed 12/10

4:45 pm-8:55 am

2 stops18h 10m

Washington, D.C. Reagan-National

Sun 3/22

8:40 pm-3:10 pm

2 stops17h 30m

$934

Buenos AiresWashington, D.C.

AEP - DCA

AEPDCA

Buenos Aires Jorge Newbery

Sun 2/1

5:15 pm-11:20 am

3 stops44h 05m

Washington, D.C. Reagan-National

Wed 4/1

2:55 pm-7:40 pm

2 stops27h 45m

$1,150

Buenos AiresWashington, D.C.

AEP - DCA

AEPDCA

Buenos Aires Jorge Newbery

Sat 12/20

9:59 pm-10:35 pm

3 stops26h 36m

Washington, D.C. Reagan-National

Wed 1/21

8:40 pm-9:20 pm

2 stops22h 40m

$1,440

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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?

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 27% 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

Direct flights

None
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 44m 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.

  • What is the most popular airline from Buenos Aires to Washington, D.C. Reagan-National Airport?

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
11,038 reviews
Search American Airlines flights
DeltaPriceFrom $759Free CancellationRating
7.9
8,002 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
Manassas
Reston
Gaithersburg
Fairfax
Glen Burnie
Springfield
Linthicum Heights

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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