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

Copa Airlines, Delta, and LATAM Airlines are the most popular carriers operating from Washington, D.C. to Argentina

How long is the flight from Washington, D.C. to Argentina?

If you’re flying from a popular airport in Washington, D.C., such as Baltimore or Washington, D.C., and flying into Argentina, then you can expect flight times to average 12h 45m and 13h 36m, respectively.

What airlines fly to Argentina?

Copa Airlines, Delta and LATAM Airlines are the top three most popular airlines that fly to Argentina from Washington, D.C. 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 Argentina. Keep in mind that there are 6 different airlines that fly to Argentina on a routine basis, so you have a few additional options to choose from.

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

Prices for flights from Washington, D.C. to Argentina refresh daily.

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

The number of operators available for flights from Washington, D.C. to Argentina is 6 as of September 2026.

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

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. to Argentina.

What documentation or ID do you need to fly to Argentina?

The necessary travel and health documents for your Argentina 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.

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

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Washington, D.C. to Argentina

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

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

11:50 am - 8:40 amBWI Baltimore/Washington-EZE Buenos Aires Ministro Pistarini

18h 50m1 stop Miami

10:10 am - 11:13 pmEZE Buenos Aires Ministro Pistarini-BWI Baltimore/Washington

15h 03m1 stop Miami

$690American Airlines

Thu, Nov 26 - Sat, Dec 5

6:32 pm - 9:40 amBWI Baltimore/Washington-EZE Buenos Aires Ministro Pistarini

13h 08m1 stop Atlanta Hartsfield-Jackson

11:35 pm - 12:55 pmEZE Buenos Aires Ministro Pistarini-BWI Baltimore/Washington

15h 20m1 stop Atlanta Hartsfield-Jackson

$690Multiple Airlines

Wed, Dec 2 - Mon, Dec 21

10:45 am - 7:35 amBWI Baltimore/Washington-EZE Buenos Aires Ministro Pistarini

18h 50m1 stop Atlanta Hartsfield-Jackson

7:20 am - 12:26 amEZE Buenos Aires Ministro Pistarini-BWI Baltimore/Washington

18h 06m2 stops Lima J Chavez Intl Atlanta Hartsfield-Jackson

$704LATAM Airlines

Sun, Jan 17 - Wed, Mar 24

2:25 am - 3:16 amIAD Washington, D.C. Dulles Intl-EZE Buenos Aires Ministro Pistarini

23h 51m1 stop Panama City Tocumen Intl

12:06 am - 3:15 amEZE Buenos Aires Ministro Pistarini-IAD Washington, D.C. Dulles Intl

29h 09m1 stop Panama City Tocumen Intl

$706Copa Airlines

Sun, Oct 25 - Tue, Nov 10

1:16 am - 5:20 amIAD Washington, D.C. Dulles Intl-EZE Buenos Aires Ministro Pistarini

26h 04m1 stop Panama City Tocumen Intl

3:40 am - 11:33 pmEZE Buenos Aires Ministro Pistarini-IAD Washington, D.C. Dulles Intl

21h 53m1 stop Panama City Tocumen Intl

$706Copa Airlines

Mon, Nov 9 - Mon, Nov 16

4:50 pm - 6:35 pmBWI Baltimore/Washington-EZE Buenos Aires Ministro Pistarini

23h 45m2 stops Atlanta Hartsfield-Jackson Santiago Arturo Merino Benitez

9:30 pm - 10:55 amEZE Buenos Aires Ministro Pistarini-BWI Baltimore/Washington

15h 25m1 stop Atlanta Hartsfield-Jackson

$708LATAM Airlines

Mon, Nov 9 - Mon, Nov 23

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

4:05 pm - 7:35 amDCA Washington, D.C. Reagan-National-EZE Buenos Aires Ministro Pistarini

13h 30m1 stop Atlanta Hartsfield-Jackson

9:30 pm - 12:59 pmEZE Buenos Aires Ministro Pistarini-DCA Washington, D.C. Reagan-National

17h 29m1 stop Atlanta Hartsfield-Jackson

$709Delta

Sun, Nov 22 - Thu, Nov 26

6:00 am - 10:40 amDCA Washington, D.C. Reagan-National-EZE Buenos Aires Ministro Pistarini

26h 40m2 stops New York John F Kennedy Intl Santiago Arturo Merino Benitez

9:30 pm - 9:15 amEZE Buenos Aires Ministro Pistarini-DCA Washington, D.C. Reagan-National

13h 45m1 stop Atlanta Hartsfield-Jackson

$738Multiple Airlines

Sun, Nov 29 - Tue, Dec 15

Cheap last minute flights

Enter your travel dates to find the best prices.

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

19h 05m1 stop Miami

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

27h 30m1 stop Atlanta Hartsfield-Jackson

$713Delta

Fri, Sep 11 - Thu, Sep 24

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

9:15 pm - 10:00 amEZE Buenos Aires Ministro Pistarini-DCA Washington, D.C. Reagan-National

13h 45m1 stop New York John F Kennedy Intl

$720American Airlines

Wed, Sep 9 - Wed, Sep 23

10:00 am - 8:30 amDCA Washington, D.C. Reagan-National-EZE Buenos Aires Ministro Pistarini

21h 30m1 stop Miami

9:15 pm - 10:00 amEZE Buenos Aires Ministro Pistarini-DCA Washington, D.C. Reagan-National

13h 45m1 stop New York John F Kennedy Intl

$720American Airlines

Thu, Sep 10 - Tue, Sep 22

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

$722United Airlines

Thu, Sep 10 - Wed, Sep 16

12:02 pm - 6:10 amBWI Baltimore/Washington-EZE Buenos Aires Ministro Pistarini

17h 08m2 stops Atlanta Hartsfield-Jackson Lima J Chavez Intl

8:10 pm - 9:16 amEZE Buenos Aires Ministro Pistarini-BWI Baltimore/Washington

14h 06m1 stop Atlanta Hartsfield-Jackson

$722LATAM Airlines

Thu, Sep 10 - Tue, Sep 22

2:03 pm - 9:45 amBWI Baltimore/Washington-EZE Buenos Aires Ministro Pistarini

18h 42m1 stop Atlanta Hartsfield-Jackson

8:10 pm - 10:54 amEZE Buenos Aires Ministro Pistarini-BWI Baltimore/Washington

15h 44m1 stop Atlanta Hartsfield-Jackson

$722LATAM Airlines

Thu, Sep 10 - Tue, Sep 22

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

$722Multiple Airlines

Wed, Sep 9 - Wed, Sep 23

2:03 pm - 9:45 amBWI Baltimore/Washington-EZE Buenos Aires Ministro Pistarini

18h 42m1 stop Atlanta Hartsfield-Jackson

8:10 pm - 12:56 pmEZE Buenos Aires Ministro Pistarini-BWI Baltimore/Washington

17h 46m1 stop Atlanta Hartsfield-Jackson

$722Delta

Thu, Sep 10 - Tue, Sep 22

2:03 pm - 9:40 amBWI Baltimore/Washington-EZE Buenos Aires Ministro Pistarini

18h 37m2 stops Atlanta Hartsfield-Jackson Miami

1:10 pm - 10:54 amEZE Buenos Aires Ministro Pistarini-BWI Baltimore/Washington

22h 44m2 stops Miami Atlanta Hartsfield-Jackson

$726Multiple Airlines

Thu, Sep 10 - Wed, Sep 16

12:45 pm - 8:00 amIAD Washington, D.C. Dulles Intl-EZE Buenos Aires Ministro Pistarini

18h 15m1 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

$745United Airlines

Thu, Sep 10 - Tue, Sep 22

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American Airlines flights from Washington, D.C. to Argentina

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

American Airlines

Nov 26

BWI11:50 amBaltimore/Washington

20h 10m

1 stop

EZE10:00 amBuenos Aires Ministro Pistarini

Dec 9

EZE9:40 pmBuenos Aires Ministro Pistarini

15h 21m

1 stop

BWI11:01 amBaltimore/Washington

$690

American Airlines

Nov 26

BWI8:00 amBaltimore/Washington

21h 30m

2 stops

EZE7:30 amBuenos Aires Ministro Pistarini

Dec 9

EZE9:40 pmBuenos Aires Ministro Pistarini

15h 21m

1 stop

BWI11:01 amBaltimore/Washington

$694

American Airlines

Sep 10

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

21h 30m

1 stop

EZE8:30 amBuenos Aires Ministro Pistarini

Sep 22

EZE9:15 pmBuenos Aires Ministro Pistarini

13h 45m

1 stop

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

$720

Delta flights from Washington, D.C. to Argentina

Our best Delta deals on Washington, D.C. to Argentina flight tickets

Delta

Nov 22

IAD5:00 pmWashington, D.C. Dulles Intl

14h 40m

1 stop

EZE9:40 amBuenos Aires Ministro Pistarini

Nov 26

EZE11:35 pmBuenos Aires Ministro Pistarini

35h 34m

1 stop

IAD9:09 amWashington, D.C. Dulles Intl

$709

Delta

Sep 11

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

19h 05m

1 stop

EZE9:40 amBuenos Aires Ministro Pistarini

Sep 24

EZE8:10 pmBuenos Aires Ministro Pistarini

27h 30m

1 stop

DCA10:40 pmWashington, D.C. Reagan-National

$713

Delta

Mar 2

IAD1:00 pmWashington, D.C. Dulles Intl

16h 35m

1 stop

EZE7:35 amBuenos Aires Ministro Pistarini

Mar 9

EZE11:35 pmBuenos Aires Ministro Pistarini

20h 51m

1 stop

IAD6:26 pmWashington, D.C. Dulles Intl

$718

momondo Fare Finder

Use the filters below to find and compare flights from Washington, D.C. to Argentina 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

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

Thu 11/26

11:50 am-8:40 am

1 stop18h 50m

Buenos Aires Ministro Pistarini

Sat 12/5

10:10 am-11:13 pm

1 stop15h 03m

$690

Quickest round-trip

BaltimoreBuenos Aires

BWI Baltimore/Washington - EZE Buenos Aires Ministro Pistarini

BWIEZE

Baltimore/Washington

Wed 12/2

6:32 pm-9:40 am

1 stop13h 08m

Buenos Aires Ministro Pistarini

Mon 12/21

11:35 pm-12:55 pm

1 stop15h 20m

$690

BaltimoreBuenos Aires

BWI Baltimore/Washington - EZE Buenos Aires Ministro Pistarini

BWIEZE

Baltimore/Washington

Sun 1/17

10:45 am-7:35 am

1 stop18h 50m

Buenos Aires Ministro Pistarini

Wed 3/24

7:20 am-12:26 am

2 stops18h 06m

$704

Washington, D.C.Buenos Aires

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

IADEZE

Washington, D.C. Dulles Intl

Sun 10/25

2:25 am-3:16 am

1 stop23h 51m

Buenos Aires Ministro Pistarini

Tue 11/10

12:06 am-3:15 am

1 stop29h 09m

$706

Washington, D.C.Buenos Aires

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

IADEZE

Washington, D.C. Dulles Intl

Mon 11/9

1:16 am-5:20 am

1 stop26h 04m

Buenos Aires Ministro Pistarini

Mon 11/16

3:40 am-11:33 pm

1 stop21h 53m

$706

BaltimoreBuenos Aires

BWI Baltimore/Washington - EZE Buenos Aires Ministro Pistarini

BWIEZE

Baltimore/Washington

Mon 11/9

4:50 pm-6:35 pm

2 stops23h 45m

Buenos Aires Ministro Pistarini

Mon 11/23

9:30 pm-10:55 am

1 stop15h 25m

$708

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

Sun 11/22

4:05 pm-7:35 am

1 stop13h 30m

Buenos Aires Ministro Pistarini

Thu 11/26

9:30 pm-12:59 pm

1 stop17h 29m

$709

Washington, D.C.Buenos Aires

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

DCAEZE

Washington, D.C. Reagan-National

Sun 11/29

6:00 am-10:40 am

2 stops26h 40m

Buenos Aires Ministro Pistarini

Tue 12/15

9:30 pm-9:15 am

1 stop13h 45m

$738

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 Argentina

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

Other information

What is the cheapest month to fly to Argentina?

If you are unable to visit Argentina during the month of May, then departing from Washington, D.C. during the month November is also very affordable. Most momondo users find prices during this month for around $724.

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

You are more likely to see cheaper flights to Argentina from Washington, D.C. when booking weeks ahead of your departure date. In general, you can expect to find flights to Argentina for around $804 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Argentina from Washington, D.C. for as low as $398 on momondo.

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

You could potentially save up to 13% on your flight if you consider stops on a Washington, D.C. to Argentina flight.

Cheap Washington, D.C. to Argentina flight deals and tips

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

Best Price Found	$312
Fastest flight time	12h 45m
Direct flights	None

The best one-way flight to Argentina from Washington, D.C. in the past 72 hours is $312. The best round-trip flight deal from Washington, D.C. to Argentina found on momondo in the last 72 hours is $689.

The fastest flight from Washington, D.C. to Argentina takes 12h 45m

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

Search flight deals

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

When did momondo last update prices for flights from Washington, D.C. to Argentina?
Prices for flights from Washington, D.C. to Argentina refresh daily.
How many operators does momondo search for flights from Washington, D.C. to Argentina?
The number of operators available for flights from Washington, D.C. to Argentina is 6 as of September 2026.
How old do you have to be to fly from Washington, D.C. to Argentina?
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. to Argentina.
What documentation or ID do you need to fly to Argentina?
The necessary travel and health documents for your Argentina 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 Washington, D.C. to Argentina

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

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $265	Free Cancellation	Rating 7.4 10,176 reviews	Search United Airlines flights
Delta	PriceFrom $274	Free Cancellation	Rating 7.8 8,548 reviews	Search Delta flights
LATAM Airlines	PriceFrom $278	Free Cancellation	Rating 7.4 1,988 reviews	Search LATAM Airlines flights
Avianca	PriceFrom $280	Free Cancellation	Rating 6.5 2,554 reviews	Search Avianca flights
Copa Airlines	PriceFrom $346	Free Cancellation	Rating 7.6 1,544 reviews	Search Copa Airlines flights
American Airlines	PriceFrom $599	Free Cancellation	Rating 7.1 12,042 reviews	Search American Airlines flights

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Argentina from Washington, D.C..

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

All flight searches from Washington, D.C. to Argentina 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 Argentina?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Argentina from Washington, D.C..

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

Price alerts on flights to Argentina from Washington, D.C. are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.