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

United 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 Washington, D.C. or Baltimore, and flying into Argentina, then you can expect flight times to average 13h 21m and 13h 30m, 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 29% 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 October 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.

$301 Cheap Flights from Washington, D.C. to Argentina in 2026/27

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.

4:57 pm - 12:28 amBWI Baltimore/Washington-EZE Buenos Aires Ministro Pistarini

30h 31m1 stop Panama City Tocumen Intl

2:08 am - 3:30 pmEZE Buenos Aires Ministro Pistarini-BWI Baltimore/Washington

14h 22m1 stop Panama City Tocumen Intl

$636Copa Airlines

Sun, Apr 11 - Thu, Apr 22

3:57 pm - 3:00 pmBWI Baltimore/Washington-EZE Buenos Aires Ministro Pistarini

21h 03m1 stop Panama City Tocumen Intl

10:45 am - 3:30 pmEZE Buenos Aires Ministro Pistarini-BWI Baltimore/Washington

29h 45m1 stop Panama City Tocumen Intl

$636Copa Airlines

Sun, Mar 7 - Sun, Mar 14

3:56 pm - 7:20 amBWI Baltimore/Washington-EZE Buenos Aires Ministro Pistarini

13h 24m1 stop Miami

10:10 am - 11:32 pmEZE Buenos Aires Ministro Pistarini-BWI Baltimore/Washington

15h 22m1 stop Miami

$640American Airlines

Wed, Dec 9 - Mon, Dec 14

7:12 pm - 10:00 amBWI Baltimore/Washington-EZE Buenos Aires Ministro Pistarini

12h 48m1 stop Miami

10:10 am - 11:32 pmEZE Buenos Aires Ministro Pistarini-BWI Baltimore/Washington

15h 22m1 stop Miami

$640American Airlines

Thu, Dec 3 - Mon, Dec 14

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

14h 50m1 stop Atlanta Hartsfield-Jackson

9:30 pm - 12:54 pmEZE Buenos Aires Ministro Pistarini-BWI Baltimore/Washington

17h 24m1 stop Atlanta Hartsfield-Jackson

$648Delta

Fri, Nov 13 - Fri, Nov 20

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

$648Delta

Fri, Nov 13 - Sat, Nov 21

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

$648LATAM Airlines

Fri, Nov 13 - Thu, Nov 26

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

14h 50m1 stop Atlanta Hartsfield-Jackson

7:20 am - 1:07 amEZE Buenos Aires Ministro Pistarini-BWI Baltimore/Washington

19h 47m2 stops Lima J Chavez Intl Atlanta Hartsfield-Jackson

$648LATAM Airlines

Sat, Nov 28 - Wed, Dec 9

4:20 pm - 9:20 amBWI Baltimore/Washington-EZE Buenos Aires Ministro Pistarini

15h 00m1 stop Houston George Bush Intcntl

11:55 pm - 4:14 pmEZE Buenos Aires Ministro Pistarini-BWI Baltimore/Washington

18h 19m1 stop Houston George Bush Intcntl

$648United Airlines

Tue, Dec 1 - Fri, Dec 11

4:15 pm - 8:00 amBWI Baltimore/Washington-EZE Buenos Aires Ministro Pistarini

14h 45m1 stop Houston George Bush Intcntl

9:00 pm - 4:25 pmEZE Buenos Aires Ministro Pistarini-BWI Baltimore/Washington

20h 25m1 stop Houston George Bush Intcntl

$648United Airlines

Tue, Apr 13 - Thu, Apr 22

Cheap last minute flights

Enter your travel dates to find the best prices.

4:34 pm - 9:57 pmIAD Washington, D.C. Dulles Intl-EZE Buenos Aires Ministro Pistarini

28h 23m1 stop Panama City Tocumen Intl

5:16 am - 11:33 pmEZE Buenos Aires Ministro Pistarini-IAD Washington, D.C. Dulles Intl

20h 17m1 stop Panama City Tocumen Intl

$738Copa Airlines

Mon, Oct 26 - Wed, Nov 11

4:49 pm - 3:16 amBWI Baltimore/Washington-EZE Buenos Aires Ministro Pistarini

33h 27m1 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

$746Copa Airlines

Sun, Oct 25 - Mon, Nov 16

11:07 am - 9:30 amBWI Baltimore/Washington-EZE Buenos Aires Ministro Pistarini

21h 23m2 stops Miami Punta Cana

5:20 am - 9:02 amEZE Buenos Aires Ministro Pistarini-BWI Baltimore/Washington

29h 42m3 stops Punta Cana Miami Atlanta Hartsfield-Jackson

$841Multiple Airlines

Mon, Oct 26 - Wed, Nov 11

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

23h 05m2 stops San Salvador El Salvador Intl Bogotá El Dorado

7:05 am - 1:10 pmAEP Buenos Aires Jorge Newbery-IAD Washington, D.C. Dulles Intl

32h 05m1 stop Bogotá El Dorado

$845Avianca

Sun, Oct 25 - Tue, Nov 10

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

23h 05m2 stops San Salvador El Salvador Intl Bogotá El Dorado

7:05 am - 2:55 pmAEP Buenos Aires Jorge Newbery-IAD Washington, D.C. Dulles Intl

33h 50m2 stops Bogotá El Dorado San Salvador El Salvador Intl

$847Avianca

Mon, Oct 26 - Tue, Nov 10

2:25 am - 12:07 amIAD Washington, D.C. Dulles Intl-EZE Buenos Aires Ministro Pistarini

20h 42m1 stop Panama City Tocumen Intl

7:10 pm - 11:33 pmEZE Buenos Aires Ministro Pistarini-IAD Washington, D.C. Dulles Intl

30h 23m2 stops Santiago Arturo Merino Benitez Panama City Tocumen Intl

$847Multiple Airlines

Sun, Oct 25 - Wed, Nov 4

12:30 pm - 11:15 amIAD Washington, D.C. Dulles Intl-MDZ Mendoza El Plumerillo

21h 45m2 stops New York John F Kennedy Intl Santiago Arturo Merino Benitez

7:30 am - 12:42 amMDZ Mendoza El Plumerillo-IAD Washington, D.C. Dulles Intl

19h 12m2 stops Lima J Chavez Intl Atlanta Hartsfield-Jackson

$1,018LATAM Airlines

Sun, Oct 25 - Sat, Nov 7

1:45 pm - 6:50 pmDCA Washington, D.C. Reagan-National-MDZ Mendoza El Plumerillo

28h 05m2 stops Miami Santiago Arturo Merino Benitez

7:30 am - 11:48 pmMDZ Mendoza El Plumerillo-DCA Washington, D.C. Reagan-National

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

$1,018LATAM Airlines

Sun, Oct 25 - Sat, Nov 7

2:40 pm - 8:00 amDCA Washington, D.C. Reagan-National-EZE Buenos Aires Ministro Pistarini

16h 20m1 stop Houston George Bush Intcntl

9:00 pm - 8:57 pmEZE Buenos Aires Ministro Pistarini-DCA Washington, D.C. Reagan-National

24h 57m1 stop Houston George Bush Intcntl

$1,366United Airlines

Thu, Oct 22 - Sat, Oct 24

4:44 pm - 8:00 amDCA Washington, D.C. Reagan-National-EZE Buenos Aires Ministro Pistarini

14h 16m1 stop Houston George Bush Intcntl

11:55 pm - 6:32 pmEZE Buenos Aires Ministro Pistarini-DCA Washington, D.C. Reagan-National

20h 37m1 stop Houston George Bush Intcntl

$1,379United Airlines

Fri, Oct 23 - Thu, Nov 12

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

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

LATAM Airlines

Nov 28

BWI6:29 pmBaltimore/Washington

13h 11m

1 stop

EZE9:40 amBuenos Aires Ministro Pistarini

Dec 11

EZE11:35 pmBuenos Aires Ministro Pistarini

15h 19m

1 stop

BWI12:54 pmBaltimore/Washington

$649

LATAM Airlines

Mar 17

BWI4:39 pmBaltimore/Washington

13h 56m

1 stop

EZE7:35 amBuenos Aires Ministro Pistarini

Mar 24

EZE11:35 pmBuenos Aires Ministro Pistarini

14h 29m

1 stop

BWI1:04 pmBaltimore/Washington

$650

LATAM Airlines

Mar 1

BWI4:39 pmBaltimore/Washington

23h 56m

2 stops

EZE6:35 pmBuenos Aires Ministro Pistarini

Mar 17

EZE11:35 pmBuenos Aires Ministro Pistarini

14h 29m

1 stop

BWI1:04 pmBaltimore/Washington

$654

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

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

Copa Airlines

Nov 15

BWI3:43 pmBaltimore/Washington

33h 27m

1 stop

EZE3:10 amBuenos Aires Ministro Pistarini

Nov 24

EZE2:45 pmBuenos Aires Ministro Pistarini

25h 29m

1 stop

BWI2:14 pmBaltimore/Washington

$634

Copa Airlines

Mar 7

BWI3:57 pmBaltimore/Washington

21h 03m

1 stop

EZE3:00 pmBuenos Aires Ministro Pistarini

Mar 14

EZE10:45 amBuenos Aires Ministro Pistarini

29h 45m

1 stop

BWI3:30 pmBaltimore/Washington

$636

Copa Airlines

Nov 15

BWI3:43 pmBaltimore/Washington

33h 27m

1 stop

EZE3:10 amBuenos Aires Ministro Pistarini

Nov 24

EZE2:45 pmBuenos Aires Ministro Pistarini

25h 29m

1 stop

BWI2:14 pmBaltimore/Washington

$638

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

Sun 4/11

4:57 pm-12:28 am

1 stop30h 31m

Buenos Aires Ministro Pistarini

Thu 4/22

2:08 am-3:30 pm

1 stop14h 22m

$636

BaltimoreBuenos Aires

BWI Baltimore/Washington - EZE Buenos Aires Ministro Pistarini

BWIEZE

Baltimore/Washington

Sun 3/7

3:57 pm-3:00 pm

1 stop21h 03m

Buenos Aires Ministro Pistarini

Sun 3/14

10:45 am-3:30 pm

1 stop29h 45m

$636

BaltimoreBuenos Aires

BWI Baltimore/Washington - EZE Buenos Aires Ministro Pistarini

BWIEZE

Baltimore/Washington

Wed 12/9

3:56 pm-7:20 am

1 stop13h 24m

Buenos Aires Ministro Pistarini

Mon 12/14

10:10 am-11:32 pm

1 stop15h 22m

$640

Quickest round-trip

BaltimoreBuenos Aires

BWI Baltimore/Washington - EZE Buenos Aires Ministro Pistarini

BWIEZE

Baltimore/Washington

Thu 12/3

7:12 pm-10:00 am

1 stop12h 48m

Buenos Aires Ministro Pistarini

Mon 12/14

10:10 am-11:32 pm

1 stop15h 22m

$640

BaltimoreBuenos Aires

BWI Baltimore/Washington - EZE Buenos Aires Ministro Pistarini

BWIEZE

Baltimore/Washington

Fri 11/13

4:50 pm-9:40 am

1 stop14h 50m

Buenos Aires Ministro Pistarini

Fri 11/20

9:30 pm-12:54 pm

1 stop17h 24m

$648

BaltimoreBuenos Aires

BWI Baltimore/Washington - EZE Buenos Aires Ministro Pistarini

BWIEZE

Baltimore/Washington

Fri 11/13

4:50 pm-9:40 am

1 stop14h 50m

Buenos Aires Ministro Pistarini

Sat 11/21

11:35 pm-12:54 pm

1 stop15h 19m

$648

BaltimoreBuenos Aires

BWI Baltimore/Washington - EZE Buenos Aires Ministro Pistarini

BWIEZE

Baltimore/Washington

Fri 11/13

4:50 pm-9:40 am

1 stop14h 50m

Buenos Aires Ministro Pistarini

Thu 11/26

11:35 pm-12:54 pm

1 stop15h 19m

$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

Wed 12/9

7:20 am-1:07 am

2 stops19h 47m

$648

BaltimoreBuenos Aires

BWI Baltimore/Washington - EZE Buenos Aires Ministro Pistarini

BWIEZE

Baltimore/Washington

Tue 12/1

4:20 pm-9:20 am

1 stop15h 00m

Buenos Aires Ministro Pistarini

Fri 12/11

11:55 pm-4:14 pm

1 stop18h 19m

$648

BaltimoreBuenos Aires

BWI Baltimore/Washington - EZE Buenos Aires Ministro Pistarini

BWIEZE

Baltimore/Washington

Tue 4/13

4:15 pm-8:00 am

1 stop14h 45m

Buenos Aires Ministro Pistarini

Thu 4/22

9:00 pm-4:25 pm

1 stop20h 25m

$648

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 April is also very affordable. Most momondo users find prices during this month for around $736.

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 $815 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 11% 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	$301
Fastest flight time	13h 05m
Direct flights	None

The best one-way flight to Argentina from Washington, D.C. in the past 72 hours is $301. The best round-trip flight deal from Washington, D.C. to Argentina found on momondo in the last 72 hours is $636.

The fastest flight from Washington, D.C. to Argentina takes 13h 05m

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 October 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
LATAM Airlines	PriceFrom $278	Free Cancellation	Rating 7.4 1,970 reviews	Search LATAM Airlines flights
Delta	PriceFrom $278	Free Cancellation	Rating 7.8 8,654 reviews	Search Delta flights
Avianca	PriceFrom $280	Free Cancellation	Rating 6.5 2,552 reviews	Search Avianca flights
United Airlines	PriceFrom $328	Free Cancellation	Rating 7.3 10,396 reviews	Search United Airlines flights
Copa Airlines	PriceFrom $346	Free Cancellation	Rating 7.6 1,557 reviews	Search Copa Airlines flights
American Airlines	PriceFrom $599	Free Cancellation	Rating 7.0 12,182 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.