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Cheap flights from Buenos Aires to Washington, D.C. from $450

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 6/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Buenos Aires to Washington, D.C.

Cheap round-trip flights

Enter your travel dates to find the best prices.
LATAM Airlines Logo
8:10 pm - 11:00 am
EZE
-
DCA
15h 50m
1 stop
LATAM Airlines Logo
2:55 pm - 9:40 am
DCA
-
EZE
17h 45m
1 stop
$715LATAM Airlines
Fri, May 29 - Sat, Jun 13
LATAM Airlines Logo
1:10 pm - 2:05 pm
EZE
-
DCA
25h 55m
1 stop
LATAM Airlines Logo
6:25 pm - 9:45 am
DCA
-
EZE
14h 20m
1 stop
$761LATAM Airlines
Mon, Jul 13 - Mon, Aug 10
American Airlines Logo
8:35 pm - 12:37 pm
EZE
-
DCA
17h 02m
1 stop
American Airlines Logo
6:40 pm - 11:05 am
DCA
-
EZE
15h 25m
1 stop
$769American Airlines
Tue, Jun 9 - Tue, Jun 16
American Airlines Logo
10:35 pm - 9:00 pm
EZE
-
DCA
23h 25m
1 stop
American Airlines Logo
7:58 pm - 11:05 am
DCA
-
EZE
14h 07m
1 stop
$771American Airlines
Wed, Jun 10 - Sat, Jul 11
American Airlines Logo
8:35 pm - 1:00 pm
EZE
-
DCA
17h 25m
2 stops
American Airlines Logo
6:40 pm - 11:05 am
DCA
-
EZE
15h 25m
1 stop
$774American Airlines
Tue, Jun 9 - Tue, Jun 16
American Airlines Logo
8:35 pm - 12:59 pm
EZE
-
DCA
17h 24m
2 stops
American Airlines Logo
5:00 am - 8:15 pm
DCA
-
EZE
14h 15m
2 stops
$775American Airlines
Mon, Jun 8 - Fri, Jun 12
LATAM Airlines Logo
8:10 pm - 9:12 am
EZE
-
DCA
14h 02m
1 stop
LATAM Airlines Logo
2:55 pm - 9:40 am
DCA
-
EZE
17h 45m
1 stop
$781LATAM Airlines
Tue, Aug 4 - Fri, Sep 4
American Airlines Logo
10:35 pm - 12:37 pm
EZE
-
DCA
15h 02m
1 stop
American Airlines Logo
11:59 am - 7:15 am
DCA
-
EZE
18h 16m
1 stop
$787American Airlines
Tue, May 26 - Wed, Sep 9
American Airlines Logo
8:35 pm - 12:59 pm
EZE
-
DCA
17h 24m
2 stops
American Airlines Logo
6:55 pm - 8:50 am
DCA
-
EZE
12h 55m
1 stop
$791American Airlines
Tue, May 26 - Wed, Sep 9
LATAM Airlines Logo
8:10 pm - 11:27 am
EZE
-
DCA
16h 17m
1 stop
LATAM Airlines Logo
2:55 pm - 9:40 am
DCA
-
EZE
17h 45m
1 stop
$797LATAM Airlines
Sun, Jul 26 - Thu, Aug 20

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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
Aug 5
EZE9:00 pmBuenos Aires Ministro Pistarini
15h 56m
1 stop
DCA11:56 amWashington, D.C. Reagan-National
Aug 29
DCA2:50 pmWashington, D.C. Reagan-National
16h 10m
1 stop
EZE8:00 amBuenos Aires Ministro Pistarini
$804
United Airlines
May 14
EZE9:00 pmBuenos Aires Ministro Pistarini
15h 40m
1 stop
DCA11:40 amWashington, D.C. Reagan-National
Oct 14
DCA8:20 amWashington, D.C. Reagan-National
22h 40m
1 stop
EZE8:00 amBuenos Aires Ministro Pistarini
$1,140
United Airlines
May 10
EZE9:00 pmBuenos Aires Ministro Pistarini
27h 58m
1 stop
DCA11:58 pmWashington, D.C. Reagan-National
Oct 13
DCA8:20 amWashington, D.C. Reagan-National
22h 40m
1 stop
EZE8:00 amBuenos Aires Ministro Pistarini
$1,258

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
May 13
EZE8:10 pmBuenos Aires Ministro Pistarini
24h 35m
1 stop
DCA7:45 pmWashington, D.C. Reagan-National
May 19
DCA9:00 amWashington, D.C. Reagan-National
23h 45m
1 stop
EZE9:45 amBuenos Aires Ministro Pistarini
$804
Delta
Jun 9
EZE8:10 pmBuenos Aires Ministro Pistarini
14h 05m
1 stop
DCA9:15 amWashington, D.C. Reagan-National
Aug 19
DCA7:30 pmWashington, D.C. Reagan-National
13h 15m
1 stop
EZE9:45 amBuenos Aires Ministro Pistarini
$813
Delta
Jul 10
EZE8:10 pmBuenos Aires Ministro Pistarini
14h 06m
1 stop
DCA9:16 amWashington, D.C. Reagan-National
Aug 9
DCA7:00 amWashington, D.C. Reagan-National
25h 45m
1 stop
EZE9:45 amBuenos Aires Ministro Pistarini
$828

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 April 30, 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

Fri 5/29

8:10 pm-11:00 am

1 stop15h 50m

Washington, D.C. Reagan-National

Sat 6/13

2:55 pm-9:40 am

1 stop17h 45m

$715

Buenos AiresWashington, D.C.

EZE - DCA

EZEDCA

Buenos Aires Ministro Pistarini

Mon 7/13

1:10 pm-2:05 pm

1 stop25h 55m

Washington, D.C. Reagan-National

Mon 8/10

6:25 pm-9:45 am

1 stop14h 20m

$761

Buenos AiresWashington, D.C.

EZE - DCA

EZEDCA

Buenos Aires Ministro Pistarini

Tue 6/9

8:35 pm-12:37 pm

1 stop17h 02m

Washington, D.C. Reagan-National

Tue 6/16

6:40 pm-11:05 am

1 stop15h 25m

$769

Buenos AiresWashington, D.C.

EZE - DCA

EZEDCA

Buenos Aires Ministro Pistarini

Wed 6/10

10:35 pm-9:00 pm

1 stop23h 25m

Washington, D.C. Reagan-National

Sat 7/11

7:58 pm-11:05 am

1 stop14h 07m

$771

Buenos AiresWashington, D.C.

EZE - DCA

EZEDCA

Buenos Aires Ministro Pistarini

Tue 6/9

8:35 pm-1:00 pm

2 stops17h 25m

Washington, D.C. Reagan-National

Tue 6/16

6:40 pm-11:05 am

1 stop15h 25m

$774

Buenos AiresWashington, D.C.

EZE - DCA

EZEDCA

Buenos Aires Ministro Pistarini

Mon 6/8

8:35 pm-12:59 pm

2 stops17h 24m

Washington, D.C. Reagan-National

Fri 6/12

5:00 am-8:15 pm

2 stops14h 15m

$775

Buenos AiresWashington, D.C.

EZE - DCA

EZEDCA

Buenos Aires Ministro Pistarini

Tue 8/4

8:10 pm-9:12 am

1 stop14h 02m

Washington, D.C. Reagan-National

Fri 9/4

2:55 pm-9:40 am

1 stop17h 45m

$781

Buenos AiresWashington, D.C.

EZE - DCA

EZEDCA

Buenos Aires Ministro Pistarini

Tue 5/26

10:35 pm-12:37 pm

1 stop15h 02m

Washington, D.C. Reagan-National

Wed 9/9

11:59 am-7:15 am

1 stop18h 16m

$787
Quickest round-trip

Buenos AiresWashington, D.C.

EZE - DCA

EZEDCA

Buenos Aires Ministro Pistarini

Tue 5/26

8:35 pm-12:59 pm

2 stops17h 24m

Washington, D.C. Reagan-National

Wed 9/9

6:55 pm-8:50 am

1 stop12h 55m

$791

Buenos AiresWashington, D.C.

EZE - DCA

EZEDCA

Buenos Aires Ministro Pistarini

Sun 7/26

8:10 pm-11:27 am

1 stop16h 17m

Washington, D.C. Reagan-National

Thu 8/20

2:55 pm-9:40 am

1 stop17h 45m

$797

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest 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 December is, on average, the cheapest month to fly to Washington, D.C. Reagan-National Airport from Buenos Aires, with most prices found around $427. If you aren’t able to travel to Washington, D.C. Reagan-National Airport during the month of December, then flying in May is also cheap. Prices for this month can be found on momondo for an average of $466.

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

You could potentially save up to 35% 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 02m

Direct flights

None
The fastest flight from Buenos Aires to Washington, D.C. Reagan-National Airport takes 14h 02m
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. 14h 02m 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
8,463 reviews
Search Delta flights
American AirlinesPriceFrom $673Free CancellationRating
7.1
11,681 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
Gaithersburg
Towson
Fredericksburg
Silver Spring
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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