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

LATAM Airlines, Avianca, and Copa 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 12h 57m and 13h 04m, 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 35% 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 April 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.

$281 Cheap Flights from Washington, D.C. to Argentina in 2026

1 adult

0 bags

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.

2:21 am - 10:25 pm

IAD

EZE

19h 04m

1 stop

2:49 pm - 4:21 am

EZE

IAD

14h 32m

1 stop

$589Copa Airlines

Wed, May 6 - Tue, May 12

6:00 am - 8:00 am

IAD

EZE

25h 00m

1 stop

9:00 pm - 6:50 pm

EZE

IAD

22h 50m

1 stop

$591United Airlines

Tue, May 5 - Tue, May 26

2:59 pm - 7:05 am

BWI

EZE

15h 06m

1 stop

9:15 am - 11:55 pm

EZE

BWI

15h 40m

1 stop

$601American Airlines

Fri, May 29 - Sat, Jun 6

6:30 am - 8:00 am

IAD

EZE

24h 30m

1 stop

9:00 pm - 6:50 pm

EZE

IAD

22h 50m

1 stop

$601United Airlines

Sat, May 23 - Sun, Jun 7

10:58 am - 8:00 am

DCA

EZE

20h 02m

1 stop

9:00 pm - 11:56 am

EZE

DCA

15h 56m

1 stop

$601United Airlines

Thu, May 28 - Wed, Jun 3

10:32 am - 6:10 am

IAD

EZE

18h 38m

2 stops

8:35 pm - 12:36 pm

EZE

IAD

17h 01m

2 stops

$604American Airlines

Tue, May 5 - Tue, May 26

2:21 am - 10:27 pm

IAD

EZE

19h 06m

1 stop

9:02 am - 12:33 am

EZE

IAD

16h 31m

1 stop

$612Copa Airlines

Thu, Jun 11 - Tue, Jun 16

2:45 pm - 9:20 am

DCA

EZE

17h 35m

1 stop

8:30 pm - 4:59 pm

EZE

DCA

21h 29m

2 stops

$679LATAM Airlines

Fri, Jun 12 - Tue, Jun 16

2:47 pm - 9:20 am

DCA

EZE

17h 33m

1 stop

10:40 pm - 12:42 pm

EZE

DCA

15h 02m

2 stops

$684LATAM Airlines

Thu, Jun 4 - Thu, Jun 18

7:26 pm - 9:45 am

BWI

EZE

13h 19m

1 stop

8:10 pm - 3:46 pm

EZE

BWI

20h 36m

1 stop

$721Delta

Mon, May 4 - Fri, May 15

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

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

Copa Airlines

May 6

IAD2:21 amWashington, D.C. Dulles Intl

19h 04m

1 stop

EZE10:25 pmBuenos Aires Ministro Pistarini

May 12

EZE2:49 pmBuenos Aires Ministro Pistarini

14h 32m

1 stop

IAD4:21 amWashington, D.C. Dulles Intl

$589

Copa Airlines

May 18

IAD2:21 amWashington, D.C. Dulles Intl

21h 29m

1 stop

EZE12:50 amBuenos Aires Ministro Pistarini

May 25

EZE9:02 amBuenos Aires Ministro Pistarini

16h 31m

1 stop

IAD12:33 amWashington, D.C. Dulles Intl

$612

Copa Airlines

May 27

IAD2:21 amWashington, D.C. Dulles Intl

19h 04m

1 stop

EZE10:25 pmBuenos Aires Ministro Pistarini

Jun 3

EZE9:02 amBuenos Aires Ministro Pistarini

20h 19m

1 stop

IAD4:21 amWashington, D.C. Dulles Intl

$622

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

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

United Airlines

May 5

IAD6:00 amWashington, D.C. Dulles Intl

25h 00m

1 stop

EZE8:00 amBuenos Aires Ministro Pistarini

May 26

EZE9:00 pmBuenos Aires Ministro Pistarini

22h 50m

1 stop

IAD6:50 pmWashington, D.C. Dulles Intl

$591

United Airlines

May 23

IAD6:30 amWashington, D.C. Dulles Intl

24h 30m

1 stop

EZE8:00 amBuenos Aires Ministro Pistarini

Jun 7

EZE9:00 pmBuenos Aires Ministro Pistarini

22h 50m

1 stop

IAD6:50 pmWashington, D.C. Dulles Intl

$601

United Airlines

May 22

IAD10:20 pmWashington, D.C. Dulles Intl

32h 40m

1 stop

EZE8:00 amBuenos Aires Ministro Pistarini

Jun 7

EZE9:00 pmBuenos Aires Ministro Pistarini

22h 50m

1 stop

IAD6:50 pmWashington, D.C. Dulles Intl

$609

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

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Wed 5/6

2:21 am-10:25 pm

1 stop19h 04m

Buenos Aires Ministro Pistarini

Tue 5/12

2:49 pm-4:21 am

1 stop14h 32m

$589

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Tue 5/5

6:00 am-8:00 am

1 stop25h 00m

Buenos Aires Ministro Pistarini

Tue 5/26

9:00 pm-6:50 pm

1 stop22h 50m

$591

Quickest round-trip

BaltimoreBuenos Aires

BWI - EZE

BWIEZE

Baltimore/Washington

Fri 5/29

2:59 pm-7:05 am

1 stop15h 06m

Buenos Aires Ministro Pistarini

Sat 6/6

9:15 am-11:55 pm

1 stop15h 40m

$601

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Sat 5/23

6:30 am-8:00 am

1 stop24h 30m

Buenos Aires Ministro Pistarini

Sun 6/7

9:00 pm-6:50 pm

1 stop22h 50m

$601

Washington, D.C.Buenos Aires

DCA - EZE

DCAEZE

Washington, D.C. Reagan-National

Thu 5/28

10:58 am-8:00 am

1 stop20h 02m

Buenos Aires Ministro Pistarini

Wed 6/3

9:00 pm-11:56 am

1 stop15h 56m

$601

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Tue 5/5

10:32 am-6:10 am

2 stops18h 38m

Buenos Aires Ministro Pistarini

Tue 5/26

8:35 pm-12:36 pm

2 stops17h 01m

$604

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Thu 6/11

2:21 am-10:27 pm

1 stop19h 06m

Buenos Aires Ministro Pistarini

Tue 6/16

9:02 am-12:33 am

1 stop16h 31m

$612

Washington, D.C.Buenos Aires

DCA - EZE

DCAEZE

Washington, D.C. Reagan-National

Fri 6/12

2:45 pm-9:20 am

1 stop17h 35m

Buenos Aires Ministro Pistarini

Tue 6/16

8:30 pm-4:59 pm

2 stops21h 29m

$679

Washington, D.C.Buenos Aires

DCA - EZE

DCAEZE

Washington, D.C. Reagan-National

Thu 6/4

2:47 pm-9:20 am

1 stop17h 33m

Buenos Aires Ministro Pistarini

Thu 6/18

10:40 pm-12:42 pm

2 stops15h 02m

$684

BaltimoreBuenos Aires

BWI - EZE

BWIEZE

Baltimore/Washington

Mon 5/4

7:26 pm-9:45 am

1 stop13h 19m

Buenos Aires Ministro Pistarini

Fri 5/15

8:10 pm-3:46 pm

1 stop20h 36m

$721

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 August, then departing from Washington, D.C. during the month September is also very affordable. Most momondo users find prices during this month for around $647.

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 $777 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 $628 on momondo.

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

You could potentially save up to 10% 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

Fastest flight time	12h 50m
Direct flights	None

The fastest flight from Washington, D.C. to Argentina takes 12h 50m

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 April 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
Delta	PriceFrom $274	Free Cancellation	Rating 7.9 8,448 reviews	Search Delta flights
LATAM Airlines	PriceFrom $278	Free Cancellation	Rating 7.4 1,911 reviews	Search LATAM Airlines flights
Avianca	PriceFrom $280	Free Cancellation	Rating 6.5 2,514 reviews	Search Avianca flights
United Airlines	PriceFrom $328	Free Cancellation	Rating 7.4 9,644 reviews	Search United Airlines flights
Copa Airlines	PriceFrom $355	Free Cancellation	Rating 7.5 1,577 reviews	Search Copa Airlines flights
American Airlines	PriceFrom $599	Free Cancellation	Rating 7.1 11,664 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.