What is the cheapest airline that flies from District of Columbia to Buenos Aires?

LATAM Airlines, Delta, and Copa Airlines are the most popular carriers operating from District of Columbia to Buenos Aires

What airlines fly to Buenos Aires?

Copa Airlines, Delta and LATAM Airlines are the top three most popular airlines that fly to Buenos Aires from District of Columbia according to our data. Copa Airlines is the first choice among our users, with 31% 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.

When did momondo last update prices for flights from District of Columbia to Buenos Aires?

Prices for flights from District of Columbia to Buenos Aires are updated daily.

How many operators does momondo search for flights from District of Columbia to Buenos Aires?

The number of operators available for flights from District of Columbia to Buenos Aires is 6 as of August 2026.

How old do you have to be to fly from District of Columbia 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 District of Columbia 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 District of Columbia to Buenos Aires in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from District of Columbia to Buenos Aires

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

4:34 pm - 4:21 amIAD Washington, D.C. Dulles Intl-EZE Buenos Aires Ministro Pistarini

34h 47m1 stop Panama City Tocumen Intl

2:49 pm - 12:32 amEZE Buenos Aires Ministro Pistarini-IAD Washington, D.C. Dulles Intl

34h 43m1 stop Panama City Tocumen Intl

$688Copa Airlines

Sun, Sep 6 - Tue, Sep 22

7:34 pm - 9:45 amIAD Washington, D.C. Dulles Intl-EZE Buenos Aires Ministro Pistarini

13h 11m1 stop Atlanta Hartsfield-Jackson

2:49 pm - 4:20 amEZE Buenos Aires Ministro Pistarini-IAD Washington, D.C. Dulles Intl

14h 31m1 stop Panama City Tocumen Intl

$693Multiple Airlines

Sun, Sep 20 - Mon, Oct 5

5:47 pm - 9:45 amIAD Washington, D.C. Dulles Intl-EZE Buenos Aires Ministro Pistarini

14h 58m1 stop Atlanta Hartsfield-Jackson

2:49 pm - 12:32 amEZE Buenos Aires Ministro Pistarini-IAD Washington, D.C. Dulles Intl

34h 43m1 stop Panama City Tocumen Intl

$695Multiple Airlines

Sun, Sep 6 - Tue, Sep 22

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

18h 55m1 stop Miami

7:21 pm - 1:56 pmEZE Buenos Aires Ministro Pistarini-DCA Washington, D.C. Reagan-National

19h 35m2 stops Santiago Arturo Merino Benitez Miami

$696LATAM Airlines

Fri, Oct 9 - Sun, Oct 18

1:35 pm - 9:40 amDCA Washington, D.C. Reagan-National-EZE Buenos Aires Ministro Pistarini

19h 05m1 stop Miami

7:21 pm - 1:49 pmEZE Buenos Aires Ministro Pistarini-DCA Washington, D.C. Reagan-National

19h 28m2 stops Santiago Arturo Merino Benitez Miami

$696LATAM Airlines

Wed, Sep 16 - Wed, Sep 23

2:25 am - 10:26 pmIAD Washington, D.C. Dulles Intl-EZE Buenos Aires Ministro Pistarini

19h 01m1 stop Panama City Tocumen Intl

8:59 am - 4:20 amEZE Buenos Aires Ministro Pistarini-IAD Washington, D.C. Dulles Intl

20h 21m1 stop Panama City Tocumen Intl

$699Copa Airlines

Sat, Sep 5 - Tue, Sep 22

6:59 pm - 8:45 amDCA Washington, D.C. Reagan-National-EZE Buenos Aires Ministro Pistarini

12h 46m1 stop Miami

8:45 pm - 11:59 amEZE Buenos Aires Ministro Pistarini-DCA Washington, D.C. Reagan-National

16h 14m2 stops Miami New York LaGuardia

$709American Airlines

Sun, Sep 6 - Tue, Sep 22

6:59 pm - 8:45 amDCA Washington, D.C. Reagan-National-EZE Buenos Aires Ministro Pistarini

12h 46m1 stop Miami

8:45 pm - 11:59 amEZE Buenos Aires Ministro Pistarini-DCA Washington, D.C. Reagan-National

16h 14m2 stops Miami New York LaGuardia

$710American Airlines

Sun, Sep 6 - Tue, Sep 22

7:45 pm - 9:45 amDCA Washington, D.C. Reagan-National-EZE Buenos Aires Ministro Pistarini

13h 00m1 stop Atlanta Hartsfield-Jackson

3:55 am - 12:45 pmEZE Buenos Aires Ministro Pistarini-DCA Washington, D.C. Reagan-National

33h 50m2 stops Lima J Chavez Intl Atlanta Hartsfield-Jackson

$713Delta

Fri, Aug 21 - Mon, Aug 24

7:45 pm - 9:45 amDCA Washington, D.C. Reagan-National-EZE Buenos Aires Ministro Pistarini

13h 00m1 stop Atlanta Hartsfield-Jackson

1:10 pm - 2:05 pmEZE Buenos Aires Ministro Pistarini-DCA Washington, D.C. Reagan-National

25h 55m1 stop Miami

$713Delta

Fri, Aug 21 - Tue, Aug 25

Cheap last minute flights

Enter your travel dates to find the best prices.

7:26 pm - 9:45 amIAD Washington, D.C. Dulles Intl-EZE Buenos Aires Ministro Pistarini

13h 19m1 stop Atlanta Hartsfield-Jackson

1:35 am - 5:20 amEZE Buenos Aires Ministro Pistarini-IAD Washington, D.C. Dulles Intl

28h 45m1 stop Bogotá El Dorado

$717Multiple Airlines

Thu, Aug 13 - Tue, Sep 1

5:24 pm - 8:45 amDCA Washington, D.C. Reagan-National-EZE Buenos Aires Ministro Pistarini

14h 21m1 stop Miami

10:30 pm - 12:38 pmEZE Buenos Aires Ministro Pistarini-DCA Washington, D.C. Reagan-National

15h 08m1 stop Miami

$720American Airlines

Tue, Aug 11 - Wed, Aug 26

6:30 am - 8:00 amIAD Washington, D.C. Dulles Intl-EZE Buenos Aires Ministro Pistarini

24h 30m1 stop Houston George Bush Intcntl

9:00 pm - 11:28 amEZE Buenos Aires Ministro Pistarini-IAD Washington, D.C. Dulles Intl

15h 28m1 stop Houston George Bush Intcntl

$720United Airlines

Fri, Aug 14 - Thu, Aug 27

1:44 pm - 7:15 amDCA Washington, D.C. Reagan-National-EZE Buenos Aires Ministro Pistarini

16h 31m1 stop Miami

8:50 pm - 10:39 amEZE Buenos Aires Ministro Pistarini-DCA Washington, D.C. Reagan-National

14h 49m1 stop Miami

$720American Airlines

Tue, Aug 11 - Wed, Sep 2

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

18h 03m1 stop Houston George Bush Intcntl

9:00 pm - 1:59 pmEZE Buenos Aires Ministro Pistarini-DCA Washington, D.C. Reagan-National

17h 59m1 stop Houston George Bush Intcntl

$722United Airlines

Fri, Aug 14 - Wed, Aug 26

7:26 pm - 9:45 amIAD Washington, D.C. Dulles Intl-EZE Buenos Aires Ministro Pistarini

13h 19m1 stop Atlanta Hartsfield-Jackson

7:35 am - 12:34 amEZE Buenos Aires Ministro Pistarini-IAD Washington, D.C. Dulles Intl

17h 59m2 stops Lima J Chavez Intl Atlanta Hartsfield-Jackson

$722LATAM Airlines

Thu, Aug 13 - Wed, Sep 2

5:47 pm - 9:45 amIAD Washington, D.C. Dulles Intl-EZE Buenos Aires Ministro Pistarini

14h 58m1 stop Atlanta Hartsfield-Jackson

8:10 pm - 11:33 amEZE Buenos Aires Ministro Pistarini-IAD Washington, D.C. Dulles Intl

16h 23m1 stop Atlanta Hartsfield-Jackson

$722Delta

Sat, Aug 15 - Wed, Aug 26

7:45 pm - 9:45 amDCA Washington, D.C. Reagan-National-EZE Buenos Aires Ministro Pistarini

13h 00m1 stop Atlanta Hartsfield-Jackson

1:10 pm - 2:05 pmEZE Buenos Aires Ministro Pistarini-DCA Washington, D.C. Reagan-National

25h 55m1 stop Miami

$751LATAM Airlines

Sat, Aug 15 - Sat, Aug 29

6:55 pm - 3:40 pmDCA Washington, D.C. Reagan-National-EZE Buenos Aires Ministro Pistarini

19h 45m2 stops Orlando Bogotá El Dorado

4:50 pm - 9:18 amEZE Buenos Aires Ministro Pistarini-DCA Washington, D.C. Reagan-National

17h 28m2 stops Bogotá El Dorado Miami

$886Multiple Airlines

Tue, Aug 11 - Wed, Aug 26

12:30 pm - 7:40 amIAD Washington, D.C. Dulles Intl-AEP Buenos Aires Jorge Newbery

18h 10m2 stops Atlanta Hartsfield-Jackson Lima J Chavez Intl

8:05 pm - 2:05 pmAEP Buenos Aires Jorge Newbery-IAD Washington, D.C. Dulles Intl

19h 00m2 stops Lima J Chavez Intl Atlanta Hartsfield-Jackson

$934Delta

Tue, Aug 11 - Wed, Sep 2

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LATAM Airlines flights from District of Columbia to Buenos Aires

Our best LATAM Airlines deals on District of Columbia to Buenos Aires flight tickets

LATAM Airlines

Aug 21

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

18h 40m

1 stop

EZE9:40 amBuenos Aires Ministro Pistarini

Aug 31

EZE7:21 pmBuenos Aires Ministro Pistarini

19h 44m

2 stops

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

$696

LATAM Airlines

Aug 31

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

16h 40m

2 stops

EZE9:40 amBuenos Aires Ministro Pistarini

Sep 5

EZE1:10 pmBuenos Aires Ministro Pistarini

23h 17m

2 stops

DCA11:27 amWashington, D.C. Reagan-National

$700

LATAM Airlines

Jan 22

DCA11:00 amWashington, D.C. Reagan-National

21h 55m

1 stop

EZE10:55 amBuenos Aires Ministro Pistarini

Feb 8

EZE11:35 pmBuenos Aires Ministro Pistarini

20h 39m

1 stop

DCA6:14 pmWashington, D.C. Reagan-National

$716

Copa Airlines flights from District of Columbia to Buenos Aires

Our best Copa Airlines deals on District of Columbia to Buenos Aires flight tickets

Copa Airlines

Sep 6

IAD4:34 pmWashington, D.C. Dulles Intl

34h 47m

1 stop

EZE4:21 amBuenos Aires Ministro Pistarini

Sep 22

EZE2:49 pmBuenos Aires Ministro Pistarini

34h 43m

1 stop

IAD12:32 amWashington, D.C. Dulles Intl

$688

Copa Airlines

Sep 5

IAD2:25 amWashington, D.C. Dulles Intl

19h 01m

1 stop

EZE10:26 pmBuenos Aires Ministro Pistarini

Sep 22

EZE8:59 amBuenos Aires Ministro Pistarini

20h 21m

1 stop

IAD4:20 amWashington, D.C. Dulles Intl

$699

Copa Airlines

Aug 31

IAD6:26 amWashington, D.C. Dulles Intl

15h 00m

1 stop

EZE10:26 pmBuenos Aires Ministro Pistarini

Sep 17

EZE8:59 amBuenos Aires Ministro Pistarini

16h 33m

1 stop

IAD12:32 amWashington, D.C. Dulles Intl

$703

momondo Fare Finder

Use the filters below to find and compare flights from District of Columbia to Buenos Aires that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Buenos Aires

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

IADEZE

Washington, D.C. Dulles Intl

Sun 9/6

4:34 pm-4:21 am

1 stop34h 47m

Buenos Aires Ministro Pistarini

Tue 9/22

2:49 pm-12:32 am

1 stop34h 43m

$688

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

Sun 9/20

7:34 pm-9:45 am

1 stop13h 11m

Buenos Aires Ministro Pistarini

Mon 10/5

2:49 pm-4:20 am

1 stop14h 31m

$693

Washington, D.C.Buenos Aires

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

IADEZE

Washington, D.C. Dulles Intl

Sun 9/6

5:47 pm-9:45 am

1 stop14h 58m

Buenos Aires Ministro Pistarini

Tue 9/22

2:49 pm-12:32 am

1 stop34h 43m

$695

Washington, D.C.Buenos Aires

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

DCAEZE

Washington, D.C. Reagan-National

Fri 10/9

1:45 pm-9:40 am

1 stop18h 55m

Buenos Aires Ministro Pistarini

Sun 10/18

7:21 pm-1:56 pm

2 stops19h 35m

$696

Washington, D.C.Buenos Aires

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

DCAEZE

Washington, D.C. Reagan-National

Wed 9/16

1:35 pm-9:40 am

1 stop19h 05m

Buenos Aires Ministro Pistarini

Wed 9/23

7:21 pm-1:49 pm

2 stops19h 28m

$696

Washington, D.C.Buenos Aires

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

IADEZE

Washington, D.C. Dulles Intl

Sat 9/5

2:25 am-10:26 pm

1 stop19h 01m

Buenos Aires Ministro Pistarini

Tue 9/22

8:59 am-4:20 am

1 stop20h 21m

$699

Washington, D.C.Buenos Aires

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

DCAEZE

Washington, D.C. Reagan-National

Sun 9/6

6:59 pm-8:45 am

1 stop12h 46m

Buenos Aires Ministro Pistarini

Tue 9/22

8:45 pm-11:59 am

2 stops16h 14m

$709

Washington, D.C.Buenos Aires

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

DCAEZE

Washington, D.C. Reagan-National

Sun 9/6

6:59 pm-8:45 am

1 stop12h 46m

Buenos Aires Ministro Pistarini

Tue 9/22

8:45 pm-11:59 am

2 stops16h 14m

$710

Washington, D.C.Buenos Aires

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

DCAEZE

Washington, D.C. Reagan-National

Fri 8/21

7:45 pm-9:45 am

1 stop13h 00m

Buenos Aires Ministro Pistarini

Mon 8/24

3:55 am-12:45 pm

2 stops33h 50m

$713

Washington, D.C.Buenos Aires

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

DCAEZE

Washington, D.C. Reagan-National

Fri 8/21

7:45 pm-9:45 am

1 stop13h 00m

Buenos Aires Ministro Pistarini

Tue 8/25

1:10 pm-2:05 pm

1 stop25h 55m

$713

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 District of Columbia 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

What is the cheapest month to fly to Buenos Aires?

The cheapest month to fly to Buenos Aires from District of Columbia is in September. Flight prices, which tend to average around $674, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of September, then book flights to Buenos Aires from District of Columbia during May instead. Flights to Buenos Aires in May, while not as cheap as those in September, still average around $720.

How far in advance should I book a flight from District of Columbia to Buenos Aires?

You are more likely to see cheaper flights to Buenos Aires from District of Columbia when booking weeks ahead of your departure date. In general, you can expect to find flights to Buenos Aires for around $790 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Buenos Aires from District of Columbia for as low as $400 on momondo.

Cheap District of Columbia to Buenos Aires flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from District of Columbia to Buenos Aires

Fastest flight time	12h 45m
Direct flights	None

The fastest flight from District of Columbia to Buenos Aires takes 12h 45m

There are no direct flights from District of Columbia to Buenos Aires. There are no popular flight routes from District of Columbia to Buenos Aires.

Search flight deals

Frequently asked questions about flying from District of Columbia to Buenos Aires

When did momondo last update prices for flights from District of Columbia to Buenos Aires?
Prices for flights from District of Columbia to Buenos Aires are updated daily.
How many operators does momondo search for flights from District of Columbia to Buenos Aires?
The number of operators available for flights from District of Columbia to Buenos Aires is 6 as of August 2026.
How old do you have to be to fly from District of Columbia 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 District of Columbia 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.

Best airlines flying from District of Columbia to Buenos Aires

Compare and see reviews for airlines that fly from District of Columbia to Buenos Aires with momondo

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $265	Free Cancellation	Rating 7.4 10,098 reviews	Search United Airlines flights
Delta	PriceFrom $274	Free Cancellation	Rating 7.8 8,497 reviews	Search Delta flights
LATAM Airlines	PriceFrom $278	Free Cancellation	Rating 7.4 1,975 reviews	Search LATAM Airlines flights
Copa Airlines	PriceFrom $346	Free Cancellation	Rating 7.6 1,563 reviews	Search Copa Airlines flights
Avianca	PriceFrom $536	Free Cancellation	Rating 6.5 2,530 reviews	Search Avianca flights
American Airlines	PriceFrom $599	Free Cancellation	Rating 7.1 11,899 reviews	Search American Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from District of Columbia to Buenos Aires?

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

Can I find flights from District of Columbia to Buenos Aires with flexible booking policies on momondo?

All flight searches from District of Columbia to Buenos Aires on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from District of Columbia to Buenos Aires?

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

I’m not ready to book a flight from District of Columbia to Buenos Aires right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Buenos Aires from District of Columbia. 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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Complete your trip

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Fly into one of these airports located in Buenos Aires

Buenos Aires Jorge Newbery Airport

Buenos Aires Ministro Pistarini Airport

Cheap flights from District of Columbia to Buenos Aires from $232

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LATAM Airlines flights from District of Columbia to Buenos Aires

Our best LATAM Airlines deals on District of Columbia to Buenos Aires flight tickets

Copa Airlines flights from District of Columbia to Buenos Aires

Our best Copa Airlines deals on District of Columbia to Buenos Aires flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from District of Columbia to Buenos Aires that are best for you.

See travel insights to Buenos Aires from

How to get the cheapest flight ticket from District of Columbia to Buenos Aires

What is the cheapest month to fly to Buenos Aires?

How far in advance should I book a flight from District of Columbia to Buenos Aires?

What is the cheapest airline that flies from District of Columbia to Buenos Aires?

What airlines fly to Buenos Aires?

Cheap District of Columbia to Buenos Aires flight deals and tips

Fastest flight time

Direct flights

Frequently asked questions about flying from District of Columbia to Buenos Aires

Best airlines flying from District of Columbia to Buenos Aires

Compare and see reviews for airlines that fly from District of Columbia 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.

Popular cities in Argentina

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

Fly to other destinations from District of Columbia

According to popular flight searches on momondo this year

Complete your trip to Buenos Aires

Explore popular destinations other users love

According to popular flight searches on momondo this year