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

Flights connecting via Miami (MIA) have the shortest average one-way travel time: 12h 45m.

How long does it take to fly to Buenos Aires?

On average, it takes 12h 31m to fly from Washington, D.C. to Buenos Aires if you fly out of Baltimore (the most popular airport in Washington, D.C.) and into Buenos Aires Ministro Pistarini Airport (the most popular airport in Buenos Aires). If you’re flying out of Washington, D.C. and into Buenos Aires Ministro Pistarini Airport, then the flight time is around 13h 50m.

What airlines fly to Buenos Aires?

Delta, Copa Airlines and LATAM Airlines are the top three most popular airlines that fly to Buenos Aires from Washington, D.C. according to our data. Delta is the first choice among our users, with 30% of people opting to fly with this airline when traveling to Buenos Aires. Keep in mind that there are 6 different airlines that fly to Buenos Aires on a routine basis, so you have a few additional options to choose from.

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

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

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

Atlanta (ATL) was the most common stop: 23% of momondo users choosing 1-stop flights on this route connected there.

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

Bogotá (BOG) has the shortest average layover time for this route: 1h 23m.

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

Flights via Panama City (PTY) offer the lowest average round-trip price of $608.

When did momondo last update prices for flights from Washington, D.C. to Buenos Aires?

Prices for flights from Washington, D.C. to Buenos Aires are refreshed on a daily basis.

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

There are 6 operators available for flights from Washington, D.C. to Buenos Aires as of October 2026.

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

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Washington, D.C. to Buenos Aires.

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

The travel and health documents you'll need for your trip to Buenos Aires may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Buenos Aires. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$278 Cheap Flights from Washington, D.C. to Buenos Aires in 2026/27

Discover deals from 900+ travel sites with momondo.

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

Round-trip

One-way

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Enter your travel dates to find the best prices.

3:43 pm - 12:52 amBWI Baltimore/Washington-EZE Buenos Aires Ministro Pistarini

31h 09m1 stop Panama City Tocumen Intl

9:10 am - 2:14 pmEZE Buenos Aires Ministro Pistarini-BWI Baltimore/Washington

31h 04m1 stop Panama City Tocumen Intl

$640Copa Airlines

Sun, Nov 15 - Tue, Nov 24

11:50 am - 7:30 amBWI Baltimore/Washington-EZE Buenos Aires Ministro Pistarini

17h 40m1 stop Miami

9:40 pm - 10:57 amEZE Buenos Aires Ministro Pistarini-BWI Baltimore/Washington

15h 17m1 stop Miami

$642American Airlines

Thu, Nov 26 - Thu, Dec 3

3:43 pm - 12:52 amBWI Baltimore/Washington-EZE Buenos Aires Ministro Pistarini

31h 09m1 stop Panama City Tocumen Intl

4:20 am - 2:14 pmEZE Buenos Aires Ministro Pistarini-BWI Baltimore/Washington

35h 54m1 stop Panama City Tocumen Intl

$642Copa Airlines

Sun, Nov 15 - Mon, Nov 23

4:51 pm - 9:40 amBWI Baltimore/Washington-EZE Buenos Aires Ministro Pistarini

14h 49m1 stop Atlanta Hartsfield-Jackson

11:35 pm - 3:43 pmEZE Buenos Aires Ministro Pistarini-BWI Baltimore/Washington

18h 08m1 stop Atlanta Hartsfield-Jackson

$648Delta

Thu, Dec 3 - Mon, Dec 14

2:00 pm - 7:35 amBWI Baltimore/Washington-EZE Buenos Aires Ministro Pistarini

15h 35m1 stop Atlanta Hartsfield-Jackson

9:30 pm - 9:22 amEZE Buenos Aires Ministro Pistarini-BWI Baltimore/Washington

13h 52m1 stop Atlanta Hartsfield-Jackson

$648Delta

Fri, Dec 4 - Sat, Dec 12

6:29 pm - 9:40 amBWI Baltimore/Washington-EZE Buenos Aires Ministro Pistarini

13h 11m1 stop Atlanta Hartsfield-Jackson

4:00 am - 11:35 pmEZE Buenos Aires Ministro Pistarini-BWI Baltimore/Washington

21h 35m2 stops Lima J Chavez Intl Atlanta Hartsfield-Jackson

$648LATAM Airlines

Mon, Nov 16 - Wed, Nov 18

2:00 pm - 7:35 amBWI Baltimore/Washington-EZE Buenos Aires Ministro Pistarini

15h 35m1 stop Atlanta Hartsfield-Jackson

9:30 pm - 9:22 amEZE Buenos Aires Ministro Pistarini-BWI Baltimore/Washington

13h 52m1 stop Atlanta Hartsfield-Jackson

$648LATAM Airlines

Wed, Nov 25 - Wed, Dec 2

4:50 pm - 9:40 amBWI Baltimore/Washington-EZE Buenos Aires Ministro Pistarini

14h 50m1 stop Atlanta Hartsfield-Jackson

11:35 pm - 12:54 pmEZE Buenos Aires Ministro Pistarini-BWI Baltimore/Washington

15h 19m1 stop Atlanta Hartsfield-Jackson

$648Multiple Airlines

Sat, Nov 28 - Sat, Dec 5

5:10 pm - 9:40 amBWI Baltimore/Washington-EZE Buenos Aires Ministro Pistarini

14h 30m1 stop Atlanta Hartsfield-Jackson

11:35 pm - 12:54 pmEZE Buenos Aires Ministro Pistarini-BWI Baltimore/Washington

15h 19m1 stop Atlanta Hartsfield-Jackson

$648Multiple Airlines

Thu, Nov 26 - Sat, Dec 5

11:51 am - 7:20 amBWI Baltimore/Washington-EZE Buenos Aires Ministro Pistarini

17h 29m1 stop Miami

10:30 pm - 3:00 pmEZE Buenos Aires Ministro Pistarini-BWI Baltimore/Washington

18h 30m1 stop Dallas/Fort Worth

$652American Airlines

Mon, Nov 16 - Wed, Dec 2

Cheap last minute flights

Enter your travel dates to find the best prices.

4:34 pm - 2:30 amIAD Washington, D.C. Dulles Intl-EZE Buenos Aires Ministro Pistarini

32h 56m1 stop Panama City Tocumen Intl

4:15 am - 12:32 amEZE Buenos Aires Ministro Pistarini-IAD Washington, D.C. Dulles Intl

21h 17m1 stop Panama City Tocumen Intl

$766Copa Airlines

Sat, Oct 17 - Sat, Oct 24

3:35 pm - 5:40 amIAD Washington, D.C. Dulles Intl-AEP Buenos Aires Jorge Newbery

13h 05m1 stop Bogotá El Dorado

7:00 am - 5:20 amAEP Buenos Aires Jorge Newbery-IAD Washington, D.C. Dulles Intl

23h 20m1 stop Bogotá El Dorado

$790Avianca

Mon, Oct 19 - Fri, Oct 23

4:49 pm - 4:36 amBWI Baltimore/Washington-EZE Buenos Aires Ministro Pistarini

34h 47m1 stop Panama City Tocumen Intl

2:49 pm - 3:17 pmEZE Buenos Aires Ministro Pistarini-BWI Baltimore/Washington

25h 28m1 stop Panama City Tocumen Intl

$794Copa Airlines

Sat, Oct 17 - Sat, Oct 24

5:45 am - 5:40 amIAD Washington, D.C. Dulles Intl-AEP Buenos Aires Jorge Newbery

22h 55m2 stops San Salvador El Salvador Intl Bogotá El Dorado

7:00 am - 5:20 amAEP Buenos Aires Jorge Newbery-IAD Washington, D.C. Dulles Intl

23h 20m1 stop Bogotá El Dorado

$797Avianca

Mon, Oct 19 - Fri, Oct 23

3:04 pm - 8:00 amBWI Baltimore/Washington-EZE Buenos Aires Ministro Pistarini

15h 56m1 stop Houston George Bush Intcntl

11:55 pm - 4:25 pmEZE Buenos Aires Ministro Pistarini-BWI Baltimore/Washington

18h 30m1 stop Houston George Bush Intcntl

$837United Airlines

Mon, Oct 19 - Mon, Nov 23

6:00 am - 8:00 amDCA Washington, D.C. Reagan-National-EZE Buenos Aires Ministro Pistarini

25h 00m1 stop Houston George Bush Intcntl

10:05 pm - 6:32 pmEZE Buenos Aires Ministro Pistarini-DCA Washington, D.C. Reagan-National

22h 27m1 stop Houston George Bush Intcntl

$840United Airlines

Mon, Oct 19 - Mon, Nov 23

6:00 am - 11:05 amDCA Washington, D.C. Reagan-National-EZE Buenos Aires Ministro Pistarini

28h 05m1 stop New York John F Kennedy Intl

9:30 pm - 10:32 amEZE Buenos Aires Ministro Pistarini-DCA Washington, D.C. Reagan-National

15h 02m1 stop Miami

$850GOL

Tue, Oct 20 - Wed, Nov 18

2:25 am - 4:36 amIAD Washington, D.C. Dulles Intl-EZE Buenos Aires Ministro Pistarini

25h 11m1 stop Panama City Tocumen Intl

2:40 pm - 3:03 pmEZE Buenos Aires Ministro Pistarini-IAD Washington, D.C. Dulles Intl

26h 23m2 stops Miami Atlanta Hartsfield-Jackson

$1,008Multiple Airlines

Sun, Oct 18 - Mon, Nov 23

5:05 pm - 11:30 amDCA Washington, D.C. Reagan-National-EZE Buenos Aires Ministro Pistarini

17h 25m2 stops New York John F Kennedy Intl Santiago Arturo Merino Benitez

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

$1,009LATAM Airlines

Tue, Oct 20 - Wed, Nov 18

5:05 pm - 11:30 amDCA Washington, D.C. Reagan-National-EZE Buenos Aires Ministro Pistarini

17h 25m2 stops New York John F Kennedy Intl Santiago Arturo Merino Benitez

7:20 am - 11:46 pmEZE Buenos Aires Ministro Pistarini-DCA Washington, D.C. Reagan-National

18h 26m2 stops Lima J Chavez Intl Atlanta Hartsfield-Jackson

$1,009LATAM Airlines

Tue, Oct 20 - Wed, Nov 18

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Copa Airlines flights from Washington, D.C. to Buenos Aires

Our best Copa Airlines deals on Washington, D.C. to Buenos Aires flight tickets

Copa Airlines

Nov 15

BWI3:43 pmBaltimore/Washington

31h 09m

1 stop

EZE12:52 amBuenos Aires Ministro Pistarini

Nov 24

EZE9:10 amBuenos Aires Ministro Pistarini

31h 04m

1 stop

BWI2:14 pmBaltimore/Washington

$640

Copa Airlines

Nov 15

BWI3:43 pmBaltimore/Washington

31h 09m

1 stop

EZE12:52 amBuenos Aires Ministro Pistarini

Nov 23

EZE4:20 amBuenos Aires Ministro Pistarini

35h 54m

1 stop

BWI2:14 pmBaltimore/Washington

$642

Copa Airlines

Nov 18

BWI3:43 pmBaltimore/Washington

32h 27m

1 stop

EZE2:10 amBuenos Aires Ministro Pistarini

Nov 26

EZE9:10 amBuenos Aires Ministro Pistarini

31h 04m

1 stop

BWI2:14 pmBaltimore/Washington

$650

United Airlines flights from Washington, D.C. to Buenos Aires

Our best United Airlines deals on Washington, D.C. to Buenos Aires flight tickets

United Airlines

Nov 16

BWI12:45 pmBaltimore/Washington

18h 35m

1 stop

EZE9:20 amBuenos Aires Ministro Pistarini

Nov 26

EZE10:05 pmBuenos Aires Ministro Pistarini

20h 20m

1 stop

BWI4:25 pmBaltimore/Washington

$652

United Airlines

Jan 10

BWI4:07 pmBaltimore/Washington

15h 13m

1 stop

EZE9:20 amBuenos Aires Ministro Pistarini

Feb 17

EZE11:55 pmBuenos Aires Ministro Pistarini

18h 30m

1 stop

BWI4:25 pmBaltimore/Washington

$675

United Airlines

Nov 27

BWI12:45 pmBaltimore/Washington

18h 35m

1 stop

EZE9:20 amBuenos Aires Ministro Pistarini

Dec 2

EZE11:55 pmBuenos Aires Ministro Pistarini

18h 22m

1 stop

BWI4:17 pmBaltimore/Washington

$680

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BaltimoreBuenos Aires

BWI Baltimore/Washington - EZE Buenos Aires Ministro Pistarini

BWIEZE

Baltimore/Washington

Sun 11/15

3:43 pm-12:52 am

1 stop31h 09m

Buenos Aires Ministro Pistarini

Tue 11/24

9:10 am-2:14 pm

1 stop31h 04m

$640

BaltimoreBuenos Aires

BWI Baltimore/Washington - EZE Buenos Aires Ministro Pistarini

BWIEZE

Baltimore/Washington

Thu 11/26

11:50 am-7:30 am

1 stop17h 40m

Buenos Aires Ministro Pistarini

Thu 12/3

9:40 pm-10:57 am

1 stop15h 17m

$642

BaltimoreBuenos Aires

BWI Baltimore/Washington - EZE Buenos Aires Ministro Pistarini

BWIEZE

Baltimore/Washington

Sun 11/15

3:43 pm-12:52 am

1 stop31h 09m

Buenos Aires Ministro Pistarini

Mon 11/23

4:20 am-2:14 pm

1 stop35h 54m

$642

BaltimoreBuenos Aires

BWI Baltimore/Washington - EZE Buenos Aires Ministro Pistarini

BWIEZE

Baltimore/Washington

Thu 12/3

4:51 pm-9:40 am

1 stop14h 49m

Buenos Aires Ministro Pistarini

Mon 12/14

11:35 pm-3:43 pm

1 stop18h 08m

$648

Quickest round-trip

BaltimoreBuenos Aires

BWI Baltimore/Washington - EZE Buenos Aires Ministro Pistarini

BWIEZE

Baltimore/Washington

Fri 12/4

2:00 pm-7:35 am

1 stop15h 35m

Buenos Aires Ministro Pistarini

Sat 12/12

9:30 pm-9:22 am

1 stop13h 52m

$648

BaltimoreBuenos Aires

BWI Baltimore/Washington - EZE Buenos Aires Ministro Pistarini

BWIEZE

Baltimore/Washington

Mon 11/16

6:29 pm-9:40 am

1 stop13h 11m

Buenos Aires Ministro Pistarini

Wed 11/18

4:00 am-11:35 pm

2 stops21h 35m

$648

BaltimoreBuenos Aires

BWI Baltimore/Washington - EZE Buenos Aires Ministro Pistarini

BWIEZE

Baltimore/Washington

Wed 11/25

2:00 pm-7:35 am

1 stop15h 35m

Buenos Aires Ministro Pistarini

Wed 12/2

9:30 pm-9:22 am

1 stop13h 52m

$648

BaltimoreBuenos Aires

BWI Baltimore/Washington - EZE Buenos Aires Ministro Pistarini

BWIEZE

Baltimore/Washington

Sat 11/28

4:50 pm-9:40 am

1 stop14h 50m

Buenos Aires Ministro Pistarini

Sat 12/5

11:35 pm-12:54 pm

1 stop15h 19m

$648

BaltimoreBuenos Aires

BWI Baltimore/Washington - EZE Buenos Aires Ministro Pistarini

BWIEZE

Baltimore/Washington

Thu 11/26

5:10 pm-9:40 am

1 stop14h 30m

Buenos Aires Ministro Pistarini

Sat 12/5

11:35 pm-12:54 pm

1 stop15h 19m

$648

BaltimoreBuenos Aires

BWI Baltimore/Washington - EZE Buenos Aires Ministro Pistarini

BWIEZE

Baltimore/Washington

Mon 11/16

11:51 am-7:20 am

1 stop17h 29m

Buenos Aires Ministro Pistarini

Wed 12/2

10:30 pm-3:00 pm

1 stop18h 30m

$652

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. 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

Airlines

Layovers

Other information

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

Prices are currently low for flights on this route.

Typical prices usually range from $731 to $809.
The lowest price recently found on this route was $640.

What is the cheapest month to fly to Buenos Aires?

The cheapest month to fly to Buenos Aires from Washington, D.C. is in May. Flight prices, which tend to average around $692, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of May, then book flights to Buenos Aires from Washington, D.C. during April instead. Flights to Buenos Aires in April, while not as cheap as those in May, still average around $730.

How far in advance should I book a flight from Washington, D.C. to Buenos Aires?

You are more likely to see cheaper flights to Buenos Aires from Washington, D.C. when booking weeks ahead of your departure date. In general, you can expect to find flights to Buenos Aires for around $802 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Buenos Aires from Washington, D.C. for as low as $398 on momondo.

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

You could potentially save up to 11% on your flight if you consider stops on a Washington, D.C. to Buenos Aires flight.

How have Washington, D.C. to Buenos Aires flight prices changed over time?

As of October 2026, prices for Washington, D.C. to Buenos Aires flights are approximately 22% cheaper when compared to flights at the same time last year.

When to book flights from Washington, D.C. to Buenos Aires

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. 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. to Buenos Aires (WAS to BUE) flight deals and tips

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

Best Price Found	$278
Fastest flight time	12h 31m
Direct flights	None

The best one-way flight to Buenos Aires from Washington, D.C. in the past 72 hours is $278. The best round-trip flight deal from Washington, D.C. to Buenos Aires found on momondo in the last 72 hours is $640.

The fastest flight from Washington, D.C. to Buenos Aires takes 12h 31m

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

Search flight deals

Frequently asked questions about flying from Washington, D.C. to Buenos Aires

How far is Washington, D.C. to Buenos Aires by plane?
Buenos Aires is 5214.3 mi away from Washington, D.C.. 12h 31m is a normal flight duration for this route.
When did momondo last update prices for flights from Washington, D.C. to Buenos Aires?
Prices for flights from Washington, D.C. to Buenos Aires are refreshed on a daily basis.
How many operators does momondo search for flights from Washington, D.C. to Buenos Aires?
There are 6 operators available for flights from Washington, D.C. to Buenos Aires as of October 2026.
How old do you have to be to fly from Washington, D.C. to Buenos Aires?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Washington, D.C. to Buenos Aires.
What documentation or ID do you need to fly to Buenos Aires?
The travel and health documents you'll need for your trip to Buenos Aires may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Buenos Aires. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Washington, D.C. to Buenos Aires?
Based on momondo bookings for flights between Washington, D.C. and Buenos Aires, the leading airline is American Airlines, making up 19% of the total bookings. Other popular airlines include Delta with 19%, United Airlines with 18%, and Copa Airlines with 17%.

Best airlines flying from Washington, D.C. to Buenos Aires

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

Airline	Rating	Free Cancellation	Price
LATAM Airlines	PriceFrom $278	Free Cancellation	Rating 7.4 1,972 reviews	Search LATAM Airlines flights
Delta	PriceFrom $278	Free Cancellation	Rating 7.8 8,650 reviews	Search Delta flights
United Airlines	PriceFrom $328	Free Cancellation	Rating 7.4 10,363 reviews	Search United Airlines flights
Copa Airlines	PriceFrom $346	Free Cancellation	Rating 7.6 1,549 reviews	Search Copa Airlines flights
Avianca	PriceFrom $536	Free Cancellation	Rating 6.5 2,553 reviews	Search Avianca flights
American Airlines	PriceFrom $599	Free Cancellation	Rating 7.0 12,167 reviews	Search American Airlines flights

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Washington, D.C. to Buenos Aires. momondo saves you time and could save you money on your trip.

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

All flight searches from Washington, D.C. to Buenos Aires on momondo can be filtered to show those which offer flexible booking policies.

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

momondo provides multiple filters to help you find the best flight to Buenos Aires from Washington, D.C.. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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 simply researching potential flights to Buenos Aires, momondo offers a useful price alert feature which will track prices for flights to Buenos Aires from Washington, D.C. and alert you when they change.

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Fly into one of these airports located in Buenos Aires

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Cheap flights from Washington, D.C. to Buenos Aires from $278

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. to Buenos Aires departing on 11/9. 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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Copa Airlines flights from Washington, D.C. to Buenos Aires

Our best Copa Airlines deals on Washington, D.C. to Buenos Aires flight tickets

United Airlines flights from Washington, D.C. to Buenos Aires

Our best United Airlines deals on Washington, D.C. to Buenos Aires flight tickets

momondo Fare Finder

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

See travel insights to Buenos Aires from

How to get the cheapest flight ticket from Washington, D.C. to Buenos Aires

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

What is the cheapest month to fly to Buenos Aires?

How far in advance should I book a flight from Washington, D.C. to Buenos Aires?

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

How have Washington, D.C. to Buenos Aires flight prices changed over time?

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

What airlines fly to Buenos Aires?

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

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

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

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

How long does it take to fly to Buenos Aires?

When to book flights from Washington, D.C. to Buenos Aires

Cheap Washington, D.C. to Buenos Aires (WAS to BUE) flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying from Washington, D.C. to Buenos Aires

Best airlines flying from Washington, D.C. to Buenos Aires

Compare and see reviews for airlines that fly from Washington, D.C. 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.

Get notified when prices go down

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

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

Fly your favorite airline to Buenos Aires

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Buenos Aires

List of cabin classes available on flights landing in Buenos Aires. Availability may vary depending on flight origin and airline.

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