What airlines fly to Buenos Aires?

American Airlines, LATAM Airlines and United Airlines are the top three most popular airlines that fly to Buenos Aires from Washington, D.C. Reagan-National Airport according to our data. American Airlines is the first choice among our users, with 53% of people opting to fly with this airline when traveling to Buenos Aires. Keep in mind that there are 4 different airlines that fly to Buenos Aires on a routine basis, so you have a few additional options to choose from.

Which airport is the most popular layover for flights between Washington, D.C. Reagan-National Airport and Buenos Aires?

Atlanta (ATL) was the most common stop: 50% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport offers the lowest fares from Washington, D.C. Reagan-National Airport to Buenos Aires?

Flights via Atlanta (ATL) offer the lowest average round-trip price of $644.

Which layover airport has the shortest travel time from Washington, D.C. Reagan-National Airport to Buenos Aires?

Flights connecting via Atlanta (ATL) have the shortest average one-way travel time: 13h 10m.

Which layover airport has the shortest connection time from Washington, D.C. Reagan-National Airport to Buenos Aires?

Houston (IAH) has the shortest average layover time for this route: 1h 45m.

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

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

How old do you have to be to fly from Washington, D.C. Reagan-National Airport to Buenos Aires?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. Reagan-National Airport to Buenos Aires.

What documentation or ID do you need to fly to Buenos Aires?

The necessary travel and health documents for your Buenos Aires 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.

$303 Cheap Flights from Washington, D.C. Reagan-National Airport to Buenos Aires in 2026

Q: What is the typical price of a round-trip flight between Washington, D.C. Reagan-National Airport and Buenos Aires?

Prices are currently low for flights on this route. Typical prices usually range from $1,046 to $3,906. The lowest price recently found on this route was $660.

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Washington, D.C. Reagan-National Airport to Buenos Aires

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

10:16 am - 9:45 am

DCA

EZE

22h 29m

1 stop

1:10 pm - 2:05 pm

EZE

DCA

25h 55m

1 stop

$660Delta

dom., jul. 19 - lun., ago. 3

1:45 pm - 9:40 am

DCA

EZE

18h 55m

1 stop

7:20 am - 11:45 pm

EZE

DCA

17h 25m

2 stops

$697LATAM Airlines

mié., oct. 7 - mar., oct. 27

4:00 pm - 9:40 am

DCA

EZE

16h 40m

2 stops

7:20 am - 11:45 pm

EZE

DCA

17h 25m

2 stops

$701LATAM Airlines

mié., oct. 7 - mar., oct. 27

2:00 pm - 9:40 am

DCA

EZE

18h 40m

1 stop

1:10 pm - 2:05 pm

EZE

DCA

25h 55m

1 stop

$710LATAM Airlines

vie., ago. 14 - jue., ago. 20

2:55 pm - 9:40 am

DCA

EZE

16h 45m

1 stop

11:35 pm - 6:14 pm

EZE

DCA

20h 39m

1 stop

$721LATAM Airlines

sáb., nov. 28 - lun., dic. 7

12:57 pm - 8:00 am

DCA

EZE

18h 03m

1 stop

9:00 pm - 9:05 pm

EZE

DCA

25h 05m

1 stop

$722United Airlines

lun., ago. 24 - jue., ago. 27

1:45 pm - 2:50 pm

DCA

AEP

24h 05m

2 stops

8:40 am - 1:56 pm

AEP

DCA

30h 16m

2 stops

$722LATAM Airlines

mié., oct. 7 - mar., oct. 27

12:27 pm - 11:30 am

DCA

EZE

22h 03m

2 stops

12:15 pm - 11:27 am

EZE

DCA

24h 12m

2 stops

$725LATAM Airlines

mié., ago. 19 - mié., ago. 26

5:29 pm - 8:30 am

DCA

EZE

14h 01m

2 stops

8:25 pm - 12:16 pm

EZE

DCA

16h 51m

2 stops

$726American Airlines

lun., sep. 21 - lun., oct. 5

6:30 pm - 9:45 am

DCA

EZE

14h 15m

1 stop

1:10 pm - 2:05 pm

EZE

DCA

25h 55m

1 stop

$727Delta

mar., ago. 18 - vie., ago. 21

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

Our best LATAM Airlines deals on Washington, D.C. Reagan-National Airport to Buenos Aires flight tickets

LATAM Airlines

Oct 7

DCA1:45 pmWashington, D.C. Reagan-National

18h 55m

1 stop

EZE9:40 amBuenos Aires Ministro Pistarini

Oct 27

EZE7:20 amBuenos Aires Ministro Pistarini

17h 25m

2 stops

DCA11:45 pmWashington, D.C. Reagan-National

$697

LATAM Airlines

Oct 7

DCA4:00 pmWashington, D.C. Reagan-National

16h 40m

2 stops

EZE9:40 amBuenos Aires Ministro Pistarini

Oct 27

EZE7:20 amBuenos Aires Ministro Pistarini

17h 25m

2 stops

DCA11:45 pmWashington, D.C. Reagan-National

$701

LATAM Airlines

Aug 14

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

18h 40m

1 stop

EZE9:40 amBuenos Aires Ministro Pistarini

Aug 20

EZE1:10 pmBuenos Aires Ministro Pistarini

25h 55m

1 stop

DCA2:05 pmWashington, D.C. Reagan-National

$710

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

Our best American Airlines deals on Washington, D.C. Reagan-National Airport to Buenos Aires flight tickets

American Airlines

Jul 15

DCA7:58 pmWashington, D.C. Reagan-National

14h 07m

1 stop

EZE11:05 amBuenos Aires Ministro Pistarini

Jul 29

EZE8:30 pmBuenos Aires Ministro Pistarini

15h 20m

2 stops

DCA10:50 amWashington, D.C. Reagan-National

$699

American Airlines

Sep 21

DCA5:29 pmWashington, D.C. Reagan-National

14h 01m

2 stops

EZE8:30 amBuenos Aires Ministro Pistarini

Oct 5

EZE8:25 pmBuenos Aires Ministro Pistarini

16h 51m

2 stops

DCA12:16 pmWashington, D.C. Reagan-National

$726

American Airlines

Jul 13

DCA7:58 pmWashington, D.C. Reagan-National

14h 07m

1 stop

EZE11:05 amBuenos Aires Ministro Pistarini

Jul 28

EZE8:30 pmBuenos Aires Ministro Pistarini

15h 20m

2 stops

DCA10:50 amWashington, D.C. Reagan-National

$776

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Buenos Aires

DCA - EZE

DCAEZE

Washington, D.C. Reagan-National

dom. 7/19

10:16 am-9:45 am

1 stop22h 29m

Buenos Aires Ministro Pistarini

lun. 8/3

1:10 pm-2:05 pm

1 stop25h 55m

$660

Washington, D.C.Buenos Aires

DCA - EZE

DCAEZE

Washington, D.C. Reagan-National

mié. 10/7

1:45 pm-9:40 am

1 stop18h 55m

Buenos Aires Ministro Pistarini

mar. 10/27

7:20 am-11:45 pm

2 stops17h 25m

$697

Washington, D.C.Buenos Aires

DCA - EZE

DCAEZE

Washington, D.C. Reagan-National

mié. 10/7

4:00 pm-9:40 am

2 stops16h 40m

Buenos Aires Ministro Pistarini

mar. 10/27

7:20 am-11:45 pm

2 stops17h 25m

$701

Washington, D.C.Buenos Aires

DCA - EZE

DCAEZE

Washington, D.C. Reagan-National

vie. 8/14

2:00 pm-9:40 am

1 stop18h 40m

Buenos Aires Ministro Pistarini

jue. 8/20

1:10 pm-2:05 pm

1 stop25h 55m

$710

Washington, D.C.Buenos Aires

DCA - EZE

DCAEZE

Washington, D.C. Reagan-National

sáb. 11/28

2:55 pm-9:40 am

1 stop16h 45m

Buenos Aires Ministro Pistarini

lun. 12/7

11:35 pm-6:14 pm

1 stop20h 39m

$721

Washington, D.C.Buenos Aires

DCA - EZE

DCAEZE

Washington, D.C. Reagan-National

lun. 8/24

12:57 pm-8:00 am

1 stop18h 03m

Buenos Aires Ministro Pistarini

jue. 8/27

9:00 pm-9:05 pm

1 stop25h 05m

$722

Washington, D.C.Buenos Aires

DCA - AEP

DCAAEP

Washington, D.C. Reagan-National

mié. 10/7

1:45 pm-2:50 pm

2 stops24h 05m

Buenos Aires Jorge Newbery

mar. 10/27

8:40 am-1:56 pm

2 stops30h 16m

$722

Washington, D.C.Buenos Aires

DCA - EZE

DCAEZE

Washington, D.C. Reagan-National

mié. 8/19

12:27 pm-11:30 am

2 stops22h 03m

Buenos Aires Ministro Pistarini

mié. 8/26

12:15 pm-11:27 am

2 stops24h 12m

$725

Quickest round-trip

Washington, D.C.Buenos Aires

DCA - EZE

DCAEZE

Washington, D.C. Reagan-National

lun. 9/21

5:29 pm-8:30 am

2 stops14h 01m

Buenos Aires Ministro Pistarini

lun. 10/5

8:25 pm-12:16 pm

2 stops16h 51m

$726

Washington, D.C.Buenos Aires

DCA - EZE

DCAEZE

Washington, D.C. Reagan-National

mar. 8/18

6:30 pm-9:45 am

1 stop14h 15m

Buenos Aires Ministro Pistarini

vie. 8/21

1:10 pm-2:05 pm

1 stop25h 55m

$727

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 Washington, D.C. Reagan-National Airport to Buenos Aires

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

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Layovers

What is the typical price of a round-trip flight between Washington, D.C. Reagan-National Airport and Buenos Aires?

What is the cheapest month to fly to Buenos Aires?

The cheapest month to fly to Buenos Aires from Washington, D.C. Reagan-National Airport is in November. Flight prices, which tend to average around $275, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of November, then book flights to Buenos Aires from Washington, D.C. Reagan-National Airport during December instead. Flights to Buenos Aires in December, while not as cheap as those in November, still average around $487.

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

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. Reagan-National Airport to Buenos Aires according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

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

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. Reagan-National Airport to Buenos Aires

Fastest flight time	14h 45m
Direct flights	None

The fastest flight from Washington, D.C. Reagan-National Airport to Buenos Aires takes 14h 45m

There are no direct flights from Washington, D.C. Reagan-National Airport to Buenos Aires. There are no popular flight routes from Washington, D.C. Reagan-National Airport to Buenos Aires.

Search flight deals

Frequently asked questions about flying from Washington, D.C. Reagan-National Airport to Buenos Aires

How far is Washington, D.C. Reagan-National to Buenos Aires by plane?
The straight-line distance from Washington, D.C. Reagan-National to Buenos Aires is 5210.8 mi. A reasonable flight in good conditions will take 14h 45m.
When did momondo last update prices for flights from Washington, D.C. Reagan-National Airport to Buenos Aires?
Prices for flights from Washington, D.C. Reagan-National Airport to Buenos Aires are refreshed on a daily basis.
How many operators does momondo search for flights from Washington, D.C. Reagan-National Airport to Buenos Aires?
The number of operators available for flights from Washington, D.C. Reagan-National Airport to Buenos Aires is 4 as of July 2026.
How old do you have to be to fly from Washington, D.C. Reagan-National Airport to Buenos Aires?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. Reagan-National Airport to Buenos Aires.
What documentation or ID do you need to fly to Buenos Aires?
The necessary travel and health documents for your Buenos Aires 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 Washington, D.C. Reagan-National Airport to Buenos Aires?
Based on momondo bookings for flights between Washington, D.C. Reagan-National Airport and Buenos Aires, the leading airline is American Airlines, making up 35% of the total bookings. Other popular airlines include Delta with 33% and United Airlines with 33%.

Best airlines flying from Washington, D.C. Reagan-National Airport to Buenos Aires

Compare and see reviews for airlines that fly from Washington, D.C. Reagan-National Airport to Buenos Aires with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $274	Free Cancellation	Rating 7.8 8,454 reviews	Search Delta flights
LATAM Airlines	PriceFrom $506	Free Cancellation	Rating 7.4 1,950 reviews	Search LATAM Airlines flights
American Airlines	PriceFrom $599	Free Cancellation	Rating 7.1 11,791 reviews	Search American Airlines flights
United Airlines	PriceFrom $655	Free Cancellation	Rating 7.4 9,958 reviews	Search United Airlines flights

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Why should I use momondo to find a flight deal from Washington, D.C. to Buenos Aires?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Washington, D.C. to Buenos Aires. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Washington, D.C. to Buenos Aires with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Buenos Aires from Washington, D.C. with this policy.

How can momondo help me find flights from Washington, D.C. to Buenos Aires?

Once all potential Washington, D.C. to Buenos Aires flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Washington, D.C. to Buenos Aires right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Washington, D.C. to Buenos Aires now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Buenos Aires and let you know when they change.

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Cheap flights from Washington, D.C. Reagan-National Airport to Buenos Aires from $303

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

Our best LATAM Airlines deals on Washington, D.C. Reagan-National Airport to Buenos Aires flight tickets

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

Our best American Airlines deals on Washington, D.C. Reagan-National Airport to Buenos Aires flight tickets

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

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How to get the cheapest flight ticket from Washington, D.C. Reagan-National Airport to Buenos Aires

What is the typical price of a round-trip flight between Washington, D.C. Reagan-National Airport and Buenos Aires?

What is the cheapest month to fly to Buenos Aires?

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

What airlines fly to Buenos Aires?

Which airport is the most popular layover for flights between Washington, D.C. Reagan-National Airport and Buenos Aires?

Which layover airport offers the lowest fares from Washington, D.C. Reagan-National Airport to Buenos Aires?

Which layover airport has the shortest travel time from Washington, D.C. Reagan-National Airport to Buenos Aires?

Which layover airport has the shortest connection time from Washington, D.C. Reagan-National Airport to Buenos Aires?

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

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

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. Reagan-National Airport to Buenos Aires

Fastest flight time

Direct flights

Frequently asked questions about flying from Washington, D.C. Reagan-National Airport to Buenos Aires

Best airlines flying from Washington, D.C. Reagan-National Airport to Buenos Aires

Compare and see reviews for airlines that fly from Washington, D.C. Reagan-National Airport to Buenos Aires with momondo

Why use momondo?

An easier way to manage your Buenos Aires 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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Find better results for your trip to Argentina

Fly into one of these airports located in Buenos Aires

Airports listed have a maximum distance of 17.0 mi from Buenos Aires

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