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.

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

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

How long does it take to fly to Buenos Aires?

On average, it takes 12h 20m 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 25m.

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

Atlanta (ATL) was the most common stop: 26% 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.

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 28% 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.

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 September 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.

$312 Cheap Flights from Washington, D.C. to Buenos Aires in 2026

Discover deals from 900+ travel sites with momondo.

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

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3:43 pm - 3:16 amBWI Baltimore/Washington-EZE Buenos Aires Ministro Pistarini

33h 33m1 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

$669Copa Airlines

Mon, Nov 2 - Tue, Nov 17

11:51 am - 8:40 amBWI Baltimore/Washington-EZE Buenos Aires Ministro Pistarini

18h 49m1 stop Miami

10:25 pm - 3:05 pmEZE Buenos Aires Ministro Pistarini-BWI Baltimore/Washington

18h 40m1 stop Dallas/Fort Worth

$689American Airlines

Fri, Nov 13 - Sun, Nov 22

6:05 am - 7:20 amBWI Baltimore/Washington-EZE Buenos Aires Ministro Pistarini

23h 15m1 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

$690United Airlines

Mon, Jan 18 - Wed, Jan 27

6:05 am - 7:20 amBWI Baltimore/Washington-EZE Buenos Aires Ministro Pistarini

23h 15m1 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

$690United Airlines

Tue, Jan 19 - Wed, Jan 27

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

17h 40m1 stop Miami

10:50 pm - 3:15 pmEZE Buenos Aires Ministro Pistarini-BWI Baltimore/Washington

18h 25m1 stop Miami

$690American Airlines

Wed, Nov 25 - Mon, Dec 7

3:00 pm - 9:50 amIAD Washington, D.C. Dulles Intl-EZE Buenos Aires Ministro Pistarini

16h 50m2 stops Atlanta Hartsfield-Jackson Miami

9:30 pm - 11:39 amEZE Buenos Aires Ministro Pistarini-IAD Washington, D.C. Dulles Intl

16h 09m1 stop Atlanta Hartsfield-Jackson

$695LATAM Airlines

Tue, Dec 1 - Tue, Dec 8

3:00 pm - 9:50 amIAD Washington, D.C. Dulles Intl-EZE Buenos Aires Ministro Pistarini

16h 50m2 stops Atlanta Hartsfield-Jackson Miami

7:20 am - 12:42 amEZE Buenos Aires Ministro Pistarini-IAD Washington, D.C. Dulles Intl

19h 22m2 stops Lima J Chavez Intl Atlanta Hartsfield-Jackson

$695LATAM Airlines

Tue, Dec 1 - Tue, Dec 8

3:43 pm - 12:07 amBWI Baltimore/Washington-EZE Buenos Aires Ministro Pistarini

30h 24m1 stop Panama City Tocumen Intl

5:16 am - 2:14 pmEZE Buenos Aires Ministro Pistarini-BWI Baltimore/Washington

34h 58m1 stop Panama City Tocumen Intl

$701Copa Airlines

Mon, Nov 2 - Tue, Nov 17

5:00 pm - 9:40 amIAD Washington, D.C. Dulles Intl-EZE Buenos Aires Ministro Pistarini

14h 40m1 stop Atlanta Hartsfield-Jackson

11:35 pm - 9:09 amEZE Buenos Aires Ministro Pistarini-IAD Washington, D.C. Dulles Intl

35h 34m1 stop Atlanta Hartsfield-Jackson

$709Delta

Sun, Nov 22 - Thu, Nov 26

2:00 pm - 7:35 amDCA Washington, D.C. Reagan-National-EZE Buenos Aires Ministro Pistarini

15h 35m1 stop Atlanta Hartsfield-Jackson

12:20 pm - 2:04 pmEZE Buenos Aires Ministro Pistarini-DCA Washington, D.C. Reagan-National

27h 44m1 stop Miami

$709Delta

Fri, Nov 27 - Sat, Dec 5

Cheap last minute flights

Enter your travel dates to find the best prices.

1:05 pm - 8:00 amBWI Baltimore/Washington-EZE Buenos Aires Ministro Pistarini

17h 55m1 stop Houston George Bush Intcntl

9:00 pm - 4:27 pmEZE Buenos Aires Ministro Pistarini-BWI Baltimore/Washington

20h 27m1 stop Houston George Bush Intcntl

$720United Airlines

Mon, Sep 14 - Fri, Sep 25

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

15h 56m1 stop Houston George Bush Intcntl

9:00 pm - 11:45 amEZE Buenos Aires Ministro Pistarini-BWI Baltimore/Washington

15h 45m1 stop Houston George Bush Intcntl

$720United Airlines

Mon, Sep 14 - Tue, Sep 22

12:26 pm - 9:45 amIAD Washington, D.C. Dulles Intl-EZE Buenos Aires Ministro Pistarini

20h 19m1 stop Atlanta Hartsfield-Jackson

8:10 pm - 6:20 pmEZE Buenos Aires Ministro Pistarini-IAD Washington, D.C. Dulles Intl

23h 10m1 stop Atlanta Hartsfield-Jackson

$722LATAM Airlines

Wed, Sep 16 - Wed, Sep 23

10:15 am - 9:45 amIAD Washington, D.C. Dulles Intl-EZE Buenos Aires Ministro Pistarini

22h 30m1 stop Atlanta Hartsfield-Jackson

3:55 am - 12:41 amEZE Buenos Aires Ministro Pistarini-IAD Washington, D.C. Dulles Intl

21h 46m2 stops Lima J Chavez Intl Atlanta Hartsfield-Jackson

$722LATAM Airlines

Wed, Sep 16 - Tue, Sep 22

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

10:15 pm - 12:38 pmEZE Buenos Aires Ministro Pistarini-DCA Washington, D.C. Reagan-National

15h 23m1 stop Miami

$742American Airlines

Wed, Sep 16 - Wed, Sep 23

5:00 pm - 9:40 amBWI Baltimore/Washington-EZE Buenos Aires Ministro Pistarini

15h 40m2 stops Atlanta Hartsfield-Jackson Miami

8:10 pm - 3:41 pmEZE Buenos Aires Ministro Pistarini-BWI Baltimore/Washington

20h 31m1 stop Atlanta Hartsfield-Jackson

$742Delta

Mon, Sep 14 - Fri, Oct 2

12:26 pm - 9:45 amIAD Washington, D.C. Dulles Intl-EZE Buenos Aires Ministro Pistarini

20h 19m1 stop Atlanta Hartsfield-Jackson

8:10 pm - 4:17 pmEZE Buenos Aires Ministro Pistarini-IAD Washington, D.C. Dulles Intl

21h 07m1 stop Atlanta Hartsfield-Jackson

$742Delta

Wed, Sep 16 - Wed, Sep 23

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

15h 56m1 stop Houston George Bush Intcntl

9:00 pm - 11:45 amEZE Buenos Aires Ministro Pistarini-BWI Baltimore/Washington

15h 45m1 stop Houston George Bush Intcntl

$769Avianca

Tue, Sep 15 - Tue, Sep 22

4:38 pm - 8:00 amDCA Washington, D.C. Reagan-National-EZE Buenos Aires Ministro Pistarini

14h 22m1 stop Houston George Bush Intcntl

9:00 pm - 11:53 amEZE Buenos Aires Ministro Pistarini-DCA Washington, D.C. Reagan-National

15h 53m1 stop Houston George Bush Intcntl

$769Avianca

Tue, Sep 15 - Wed, Sep 23

11:47 am - 8:30 amDCA Washington, D.C. Reagan-National-EZE Buenos Aires Ministro Pistarini

19h 43m1 stop Miami

10:15 pm - 12:38 pmEZE Buenos Aires Ministro Pistarini-DCA Washington, D.C. Reagan-National

15h 23m1 stop Miami

$984American Airlines

Thu, Sep 17 - Mon, Sep 28

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

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

LATAM Airlines

Dec 1

IAD3:00 pmWashington, D.C. Dulles Intl

16h 50m

2 stops

EZE9:50 amBuenos Aires Ministro Pistarini

Dec 8

EZE7:20 amBuenos Aires Ministro Pistarini

19h 22m

2 stops

IAD12:42 amWashington, D.C. Dulles Intl

$695

LATAM Airlines

Oct 6

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

27h 36m

2 stops

EZE6:21 pmBuenos Aires Ministro Pistarini

Oct 20

EZE7:21 pmBuenos Aires Ministro Pistarini

19h 35m

2 stops

DCA1:56 pmWashington, D.C. Reagan-National

$711

LATAM Airlines

Nov 17

IAD12:35 pmWashington, D.C. Dulles Intl

19h 15m

2 stops

EZE9:50 amBuenos Aires Ministro Pistarini

Dec 7

EZE8:05 pmBuenos Aires Ministro Pistarini

23h 28m

1 stop

IAD5:33 pmWashington, D.C. Dulles Intl

$714

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

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

American Airlines

Nov 13

BWI11:51 amBaltimore/Washington

18h 49m

1 stop

EZE8:40 amBuenos Aires Ministro Pistarini

Nov 22

EZE10:25 pmBuenos Aires Ministro Pistarini

18h 40m

1 stop

BWI3:05 pmBaltimore/Washington

$689

American Airlines

Dec 7

BWI7:22 pmBaltimore/Washington

12h 53m

1 stop

EZE10:15 amBuenos Aires Ministro Pistarini

Dec 13

EZE11:35 pmBuenos Aires Ministro Pistarini

20h 57m

1 stop

BWI6:32 pmBaltimore/Washington

$690

American Airlines

Dec 7

BWI11:51 amBaltimore/Washington

19h 19m

1 stop

EZE9:10 amBuenos Aires Ministro Pistarini

Dec 13

EZE10:10 amBuenos Aires Ministro Pistarini

15h 49m

2 stops

BWI11:59 pmBaltimore/Washington

$694

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

Mon 11/2

3:43 pm-3:16 am

1 stop33h 33m

Buenos Aires Ministro Pistarini

Tue 11/17

9:10 am-2:14 pm

1 stop31h 04m

$669

BaltimoreBuenos Aires

BWI Baltimore/Washington - EZE Buenos Aires Ministro Pistarini

BWIEZE

Baltimore/Washington

Fri 11/13

11:51 am-8:40 am

1 stop18h 49m

Buenos Aires Ministro Pistarini

Sun 11/22

10:25 pm-3:05 pm

1 stop18h 40m

$689

BaltimoreBuenos Aires

BWI Baltimore/Washington - EZE Buenos Aires Ministro Pistarini

BWIEZE

Baltimore/Washington

Mon 1/18

6:05 am-7:20 am

1 stop23h 15m

Buenos Aires Ministro Pistarini

Wed 1/27

11:55 pm-4:25 pm

1 stop18h 30m

$690

BaltimoreBuenos Aires

BWI Baltimore/Washington - EZE Buenos Aires Ministro Pistarini

BWIEZE

Baltimore/Washington

Tue 1/19

6:05 am-7:20 am

1 stop23h 15m

Buenos Aires Ministro Pistarini

Wed 1/27

11:55 pm-4:25 pm

1 stop18h 30m

$690

BaltimoreBuenos Aires

BWI Baltimore/Washington - EZE Buenos Aires Ministro Pistarini

BWIEZE

Baltimore/Washington

Wed 11/25

11:50 am-7:30 am

1 stop17h 40m

Buenos Aires Ministro Pistarini

Mon 12/7

10:50 pm-3:15 pm

1 stop18h 25m

$690

Quickest round-trip

Washington, D.C.Buenos Aires

IAD Washington, D.C. Dulles Intl - EZE Buenos Aires Ministro Pistarini

IADEZE

Washington, D.C. Dulles Intl

Tue 12/1

3:00 pm-9:50 am

2 stops16h 50m

Buenos Aires Ministro Pistarini

Tue 12/8

9:30 pm-11:39 am

1 stop16h 09m

$695

Washington, D.C.Buenos Aires

IAD Washington, D.C. Dulles Intl - EZE Buenos Aires Ministro Pistarini

IADEZE

Washington, D.C. Dulles Intl

Tue 12/1

3:00 pm-9:50 am

2 stops16h 50m

Buenos Aires Ministro Pistarini

Tue 12/8

7:20 am-12:42 am

2 stops19h 22m

$695

BaltimoreBuenos Aires

BWI Baltimore/Washington - EZE Buenos Aires Ministro Pistarini

BWIEZE

Baltimore/Washington

Mon 11/2

3:43 pm-12:07 am

1 stop30h 24m

Buenos Aires Ministro Pistarini

Tue 11/17

5:16 am-2:14 pm

1 stop34h 58m

$701

Washington, D.C.Buenos Aires

IAD Washington, D.C. Dulles Intl - EZE Buenos Aires Ministro Pistarini

IADEZE

Washington, D.C. Dulles Intl

Sun 11/22

5:00 pm-9:40 am

1 stop14h 40m

Buenos Aires Ministro Pistarini

Thu 11/26

11:35 pm-9:09 am

1 stop35h 34m

$709

Washington, D.C.Buenos Aires

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

DCAEZE

Washington, D.C. Reagan-National

Fri 11/27

2:00 pm-7:35 am

1 stop15h 35m

Buenos Aires Ministro Pistarini

Sat 12/5

12:20 pm-2:04 pm

1 stop27h 44m

$709

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 typical for flights on this route.

Typical prices usually range from $647 to $831.
The lowest price recently found on this route was $669.

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 $677, 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 November instead. Flights to Buenos Aires in November, while not as cheap as those in May, still average around $724.

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 $800 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 13% 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 September 2026, prices for Washington, D.C. to Buenos Aires flights are approximately 17% 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	$312
Fastest flight time	12h 20m
Direct flights	None

The best one-way flight to Buenos Aires from Washington, D.C. in the past 72 hours is $312. The best round-trip flight deal from Washington, D.C. to Buenos Aires found on momondo in the last 72 hours is $669.

The fastest flight from Washington, D.C. to Buenos Aires takes 12h 20m

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 20m 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 September 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 United Airlines, making up 20% of the total bookings. Other popular airlines include American Airlines with 18%, Copa Airlines with 18%, and Delta with 16%.

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
United Airlines	PriceFrom $265	Free Cancellation	Rating 7.4 10,209 reviews	Search United Airlines flights
Delta	PriceFrom $274	Free Cancellation	Rating 7.8 8,568 reviews	Search Delta flights
LATAM Airlines	PriceFrom $278	Free Cancellation	Rating 7.4 1,982 reviews	Search LATAM Airlines flights
Copa Airlines	PriceFrom $346	Free Cancellation	Rating 7.6 1,542 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 7.1 12,050 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 $312

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 1/10. 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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LATAM Airlines flights from Washington, D.C. to Buenos Aires

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

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

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

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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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