What is the cheapest airline that flies from Buenos Aires to Washington, D.C. Reagan-National?

United Airlines, American Airlines, and LATAM Airlines are the most popular carriers operating from Buenos Aires to Washington, D.C. Reagan-National

How many operators does momondo search for flights from Buenos Aires to Washington, D.C. Reagan-National Airport?

As of August 2026, there is 1 operator available to choose from 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.

$376 Cheap Flights from Buenos Aires to Washington, D.C. Reagan-National Airport in 2026

Discover deals from 900+ travel sites with momondo.

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

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

9:40 pm - 3:00 pmEZE Buenos Aires Ministro Pistarini-DCA Washington, D.C. Reagan-National

19h 20m1 stop Miami

1:36 pm - 7:25 amDCA Washington, D.C. Reagan-National-EZE Buenos Aires Ministro Pistarini

15h 49m1 stop Miami

$706American Airlines

Wed, Nov 18 - Wed, Dec 2

8:40 pm - 10:32 amEZE Buenos Aires Ministro Pistarini-DCA Washington, D.C. Reagan-National

14h 52m1 stop Miami

5:55 pm - 8:40 amDCA Washington, D.C. Reagan-National-EZE Buenos Aires Ministro Pistarini

12h 45m1 stop Miami

$706American Airlines

Wed, Oct 21 - Wed, Nov 25

11:35 pm - 6:00 pmEZE Buenos Aires Ministro Pistarini-DCA Washington, D.C. Reagan-National

19h 25m1 stop Miami

12:59 pm - 11:05 amDCA Washington, D.C. Reagan-National-EZE Buenos Aires Ministro Pistarini

21h 06m1 stop New York John F Kennedy Intl

$706American Airlines

Thu, Sep 3 - Wed, Sep 9

11:35 pm - 3:00 pmEZE Buenos Aires Ministro Pistarini-DCA Washington, D.C. Reagan-National

17h 25m1 stop Miami

5:00 pm - 10:45 amDCA Washington, D.C. Reagan-National-EZE Buenos Aires Ministro Pistarini

16h 45m1 stop New York John F Kennedy Intl

$706American Airlines

Thu, Dec 10 - Tue, Mar 23

10:10 am - 11:59 pmEZE Buenos Aires Ministro Pistarini-DCA Washington, D.C. Reagan-National

15h 49m2 stops Miami Charlotte Douglas

5:58 pm - 8:10 amDCA Washington, D.C. Reagan-National-EZE Buenos Aires Ministro Pistarini

13h 12m1 stop Miami

$710American Airlines

Thu, Dec 10 - Tue, Mar 23

8:40 pm - 12:16 pmEZE Buenos Aires Ministro Pistarini-DCA Washington, D.C. Reagan-National

16h 36m2 stops Miami New York LaGuardia

3:17 pm - 8:40 amDCA Washington, D.C. Reagan-National-EZE Buenos Aires Ministro Pistarini

15h 23m2 stops Charlotte Douglas Miami

$710American Airlines

Wed, Oct 21 - Wed, Nov 25

9:00 pm - 11:54 amEZE Buenos Aires Ministro Pistarini-DCA Washington, D.C. Reagan-National

15h 54m1 stop Houston George Bush Intcntl

7:29 pm - 8:00 amDCA Washington, D.C. Reagan-National-EZE Buenos Aires Ministro Pistarini

35h 31m1 stop Houston George Bush Intcntl

$725Lufthansa

Sun, Aug 30 - Sun, Sep 13

9:30 pm - 9:10 amEZE Buenos Aires Ministro Pistarini-DCA Washington, D.C. Reagan-National

13h 40m1 stop Atlanta Hartsfield-Jackson

1:45 pm - 9:40 amDCA Washington, D.C. Reagan-National-EZE Buenos Aires Ministro Pistarini

17h 55m1 stop Atlanta Hartsfield-Jackson

$734Delta

Tue, Dec 15 - Sun, Jan 10

8:05 pm - 10:02 amEZE Buenos Aires Ministro Pistarini-DCA Washington, D.C. Reagan-National

15h 57m1 stop New York John F Kennedy Intl

1:45 pm - 9:50 amDCA Washington, D.C. Reagan-National-EZE Buenos Aires Ministro Pistarini

18h 05m1 stop Miami

$734Delta

Fri, Nov 20 - Sun, Nov 29

8:10 pm - 12:50 pmEZE Buenos Aires Ministro Pistarini-DCA Washington, D.C. Reagan-National

17h 40m1 stop Atlanta Hartsfield-Jackson

2:00 pm - 9:40 amDCA Washington, D.C. Reagan-National-EZE Buenos Aires Ministro Pistarini

18h 40m2 stops Atlanta Hartsfield-Jackson Miami

$734Delta

Mon, Aug 31 - Wed, Sep 9

Cheap last minute flights

Enter your travel dates to find the best prices.

10:30 pm - 2:46 pmEZE Buenos Aires Ministro Pistarini-DCA Washington, D.C. Reagan-National

17h 16m1 stop Miami

9:50 am - 6:00 amDCA Washington, D.C. Reagan-National-EZE Buenos Aires Ministro Pistarini

19h 10m1 stop Miami

$667American Airlines

Mon, Aug 24 - Sun, Sep 6

11:35 pm - 3:07 pmEZE Buenos Aires Ministro Pistarini-DCA Washington, D.C. Reagan-National

16h 32m2 stops Miami New York LaGuardia

1:44 pm - 6:00 amDCA Washington, D.C. Reagan-National-EZE Buenos Aires Ministro Pistarini

15h 16m1 stop Miami

$695American Airlines

Mon, Aug 24 - Sun, Sep 6

9:00 pm - 11:54 amEZE Buenos Aires Ministro Pistarini-DCA Washington, D.C. Reagan-National

15h 54m1 stop Houston George Bush Intcntl

2:40 pm - 8:00 amDCA Washington, D.C. Reagan-National-EZE Buenos Aires Ministro Pistarini

16h 20m1 stop Houston George Bush Intcntl

$704United Airlines

Sun, Aug 23 - Wed, Sep 9

9:00 pm - 4:04 pmEZE Buenos Aires Ministro Pistarini-DCA Washington, D.C. Reagan-National

20h 04m1 stop Houston George Bush Intcntl

12:57 pm - 8:00 amDCA Washington, D.C. Reagan-National-EZE Buenos Aires Ministro Pistarini

18h 03m1 stop Houston George Bush Intcntl

$704United Airlines

Sun, Aug 23 - Wed, Sep 9

9:05 pm - 10:34 amEZE Buenos Aires Ministro Pistarini-DCA Washington, D.C. Reagan-National

14h 29m1 stop New York John F Kennedy Intl

12:59 pm - 11:05 amDCA Washington, D.C. Reagan-National-EZE Buenos Aires Ministro Pistarini

21h 06m1 stop New York John F Kennedy Intl

$706American Airlines

Sun, Aug 23 - Wed, Sep 9

9:00 pm - 6:29 pmEZE Buenos Aires Ministro Pistarini-DCA Washington, D.C. Reagan-National

22h 29m1 stop Houston George Bush Intcntl

7:29 pm - 8:00 amDCA Washington, D.C. Reagan-National-EZE Buenos Aires Ministro Pistarini

35h 31m1 stop Houston George Bush Intcntl

$722United Airlines

Mon, Aug 24 - Sun, Sep 6

11:35 pm - 3:58 pmEZE Buenos Aires Ministro Pistarini-DCA Washington, D.C. Reagan-National

17h 23m2 stops Miami Charlotte Douglas

9:50 am - 7:15 amDCA Washington, D.C. Reagan-National-EZE Buenos Aires Ministro Pistarini

20h 25m1 stop Miami

$728American Airlines

Mon, Aug 24 - Sun, Sep 6

8:10 pm - 12:45 pmEZE Buenos Aires Ministro Pistarini-DCA Washington, D.C. Reagan-National

17h 35m1 stop Atlanta Hartsfield-Jackson

2:00 pm - 9:40 amDCA Washington, D.C. Reagan-National-EZE Buenos Aires Ministro Pistarini

18h 40m1 stop Miami

$734Delta

Mon, Aug 24 - Fri, Sep 4

8:10 pm - 9:10 amEZE Buenos Aires Ministro Pistarini-DCA Washington, D.C. Reagan-National

14h 00m1 stop Atlanta Hartsfield-Jackson

12:27 pm - 9:40 amDCA Washington, D.C. Reagan-National-EZE Buenos Aires Ministro Pistarini

20h 13m2 stops Atlanta Hartsfield-Jackson Miami

$734Delta

Mon, Aug 24 - Sun, Sep 6

8:10 pm - 12:45 pmEZE Buenos Aires Ministro Pistarini-DCA Washington, D.C. Reagan-National

17h 35m1 stop Atlanta Hartsfield-Jackson

3:59 pm - 9:45 amDCA Washington, D.C. Reagan-National-EZE Buenos Aires Ministro Pistarini

16h 46m1 stop Atlanta Hartsfield-Jackson

$734Delta

Mon, Aug 24 - Sun, Sep 6

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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

Aug 31

EZE8:10 pmBuenos Aires Ministro Pistarini

17h 40m

1 stop

DCA12:50 pmWashington, D.C. Reagan-National

Sep 9

DCA2:00 pmWashington, D.C. Reagan-National

18h 40m

2 stops

EZE9:40 amBuenos Aires Ministro Pistarini

$734

Delta

Aug 31

EZE8:10 pmBuenos Aires Ministro Pistarini

14h 00m

1 stop

DCA9:10 amWashington, D.C. Reagan-National

Sep 9

DCA2:00 pmWashington, D.C. Reagan-National

18h 40m

2 stops

EZE9:40 amBuenos Aires Ministro Pistarini

$739

Delta

Dec 20

EZE11:35 pmBuenos Aires Ministro Pistarini

21h 39m

1 stop

DCA7:14 pmWashington, D.C. Reagan-National

Dec 31

DCA10:00 amWashington, D.C. Reagan-National

19h 35m

1 stop

EZE7:35 amBuenos Aires Ministro Pistarini

$876

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

Sep 23

AEP3:45 pmBuenos Aires Jorge Newbery

23h 04m

2 stops

DCA1:49 pmWashington, D.C. Reagan-National

Oct 1

DCA1:35 pmWashington, D.C. Reagan-National

25h 25m

2 stops

AEP4:00 pmBuenos Aires Jorge Newbery

$743

LATAM Airlines

Sep 23

EZE12:15 pmBuenos Aires Ministro Pistarini

26h 34m

2 stops

DCA1:49 pmWashington, D.C. Reagan-National

Oct 1

DCA1:35 pmWashington, D.C. Reagan-National

19h 05m

1 stop

EZE9:40 amBuenos Aires Ministro Pistarini

$748

LATAM Airlines

Sep 29

EZE7:21 pmBuenos Aires Ministro Pistarini

19h 28m

2 stops

DCA1:49 pmWashington, D.C. Reagan-National

Oct 6

DCA5:05 pmWashington, D.C. Reagan-National

17h 25m

2 stops

EZE11:30 amBuenos Aires Ministro Pistarini

$749

momondo Fare Finder

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 Buenos Aires Ministro Pistarini - DCA Washington, D.C. Reagan-National

EZEDCA

Buenos Aires Ministro Pistarini

Wed 11/18

9:40 pm-3:00 pm

1 stop19h 20m

Washington, D.C. Reagan-National

Wed 12/2

1:36 pm-7:25 am

1 stop15h 49m

$706

Quickest round-trip

Buenos AiresWashington, D.C.

EZE Buenos Aires Ministro Pistarini - DCA Washington, D.C. Reagan-National

EZEDCA

Buenos Aires Ministro Pistarini

Wed 10/21

8:40 pm-10:32 am

1 stop14h 52m

Washington, D.C. Reagan-National

Wed 11/25

5:55 pm-8:40 am

1 stop12h 45m

$706

Buenos AiresWashington, D.C.

EZE Buenos Aires Ministro Pistarini - DCA Washington, D.C. Reagan-National

EZEDCA

Buenos Aires Ministro Pistarini

Thu 9/3

11:35 pm-6:00 pm

1 stop19h 25m

Washington, D.C. Reagan-National

Wed 9/9

12:59 pm-11:05 am

1 stop21h 06m

$706

Buenos AiresWashington, D.C.

EZE Buenos Aires Ministro Pistarini - DCA Washington, D.C. Reagan-National

EZEDCA

Buenos Aires Ministro Pistarini

Thu 12/10

11:35 pm-3:00 pm

1 stop17h 25m

Washington, D.C. Reagan-National

Tue 3/23

5:00 pm-10:45 am

1 stop16h 45m

$706

Buenos AiresWashington, D.C.

EZE Buenos Aires Ministro Pistarini - DCA Washington, D.C. Reagan-National

EZEDCA

Buenos Aires Ministro Pistarini

Thu 12/10

10:10 am-11:59 pm

2 stops15h 49m

Washington, D.C. Reagan-National

Tue 3/23

5:58 pm-8:10 am

1 stop13h 12m

$710

Buenos AiresWashington, D.C.

EZE Buenos Aires Ministro Pistarini - DCA Washington, D.C. Reagan-National

EZEDCA

Buenos Aires Ministro Pistarini

Wed 10/21

8:40 pm-12:16 pm

2 stops16h 36m

Washington, D.C. Reagan-National

Wed 11/25

3:17 pm-8:40 am

2 stops15h 23m

$710

Buenos AiresWashington, D.C.

EZE Buenos Aires Ministro Pistarini - DCA Washington, D.C. Reagan-National

EZEDCA

Buenos Aires Ministro Pistarini

Sun 8/30

9:00 pm-11:54 am

1 stop15h 54m

Washington, D.C. Reagan-National

Sun 9/13

7:29 pm-8:00 am

1 stop35h 31m

$725

Buenos AiresWashington, D.C.

EZE Buenos Aires Ministro Pistarini - DCA Washington, D.C. Reagan-National

EZEDCA

Buenos Aires Ministro Pistarini

Tue 12/15

9:30 pm-9:10 am

1 stop13h 40m

Washington, D.C. Reagan-National

Sun 1/10

1:45 pm-9:40 am

1 stop17h 55m

$734

Buenos AiresWashington, D.C.

EZE Buenos Aires Ministro Pistarini - DCA Washington, D.C. Reagan-National

EZEDCA

Buenos Aires Ministro Pistarini

Fri 11/20

8:05 pm-10:02 am

1 stop15h 57m

Washington, D.C. Reagan-National

Sun 11/29

1:45 pm-9:50 am

1 stop18h 05m

$734

Buenos AiresWashington, D.C.

EZE Buenos Aires Ministro Pistarini - DCA Washington, D.C. Reagan-National

EZEDCA

Buenos Aires Ministro Pistarini

Mon 8/31

8:10 pm-12:50 pm

1 stop17h 40m

Washington, D.C. Reagan-National

Wed 9/9

2:00 pm-9:40 am

2 stops18h 40m

$734

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

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

The month of November is, on average, the cheapest month to fly to Washington, D.C. Reagan-National Airport from Buenos Aires, with most prices found around $729. If you aren’t able to travel to Washington, D.C. Reagan-National Airport during the month of November, then flying in June is also cheap. Prices for this month can be found on momondo for an average of $730.

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

You could potentially save up to 54% 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

Best Price Found	$376
Fastest flight time	13h 40m
Direct flights	None

The best one-way flight to Washington, D.C. Reagan-National Airport from Buenos Aires in the past 72 hours is $376. The best round-trip flight deal from Buenos Aires to Washington, D.C. Reagan-National Airport found on momondo in the last 72 hours is $706.

The fastest flight from Buenos Aires to Washington, D.C. Reagan-National Airport takes 13h 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.

Search flight deals

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. 13h 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?
As of August 2026, there is 1 operator available to choose from 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 Airlines	PriceFrom $673	Free Cancellation	Rating 7.1 11,962 reviews		Search American Airlines flights

Alexandria

National Harbor

Arlington

Gettysburg

Waldorf

Laurel

Woodbridge

Fredericksburg

Gaithersburg

Linthicum Heights

Rockville

Silver Spring

Towson

Springfield

Colonial Beach

Fairfax

Edgewood

Tysons

College Park

Glen Burnie

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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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Cheap flights from Buenos Aires to Washington, D.C. from $376

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 8/26. 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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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

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

momondo Fare Finder

Use the filters below to find and compare flights from Buenos Aires to Washington, D.C. Reagan-National Airport that are best for you.

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

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

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

What is the cheapest airline that flies from Buenos Aires to Washington, D.C. Reagan-National?

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

Cheap Buenos Aires to Washington, D.C. Reagan-National Airport (BUE to DCA) flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying 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

Traveling to a place near Washington, D.C.?

Why use momondo?

An easier way to manage your Washington, D.C. Reagan-National Airport trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Washington, D.C.

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Popular flights according to clicks in the last 7 days on momondo

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