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

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

What airlines fly to Argentina?

Copa Airlines, LATAM Airlines and Delta 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 33% 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.

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 58m and 14h 16m, respectively.

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 June 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.

$289 Cheap Flights from Washington, D.C. to Argentina in 2026

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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.

6:25 pm - 9:45 am

DCA

EZE

14h 20m

1 stop

8:10 pm - 9:16 am

EZE

DCA

14h 06m

1 stop

$632Delta

qua, jul 1 - sex, jul 10

12:38 pm - 9:45 am

IAD

EZE

20h 07m

1 stop

1:10 pm - 2:34 pm

EZE

IAD

26h 24m

2 stops

$636Delta

dom, jul 5 - sáb, ago 1

6:30 pm - 9:45 am

DCA

EZE

14h 15m

1 stop

1:10 pm - 11:26 am

EZE

DCA

23h 16m

2 stops

$646LATAM Airlines

ter, set 15 - ter, set 29

4:26 pm - 10:27 pm

IAD

EZE

29h 01m

1 stop

2:49 pm - 4:21 am

EZE

IAD

14h 32m

1 stop

$655Copa Airlines

qua, jul 8 - qui, jul 16

4:49 pm - 12:51 am

BWI

EZE

31h 02m

1 stop

2:02 am - 2:14 pm

EZE

BWI

14h 12m

1 stop

$655Copa Airlines

qua, out 21 - ter, nov 10

12:59 pm - 8:00 am

DCA

EZE

18h 01m

1 stop

9:00 pm - 11:54 am

EZE

DCA

15h 54m

1 stop

$657United Airlines

seg, ago 10 - dom, ago 16

10:20 pm - 8:00 am

IAD

EZE

32h 40m

1 stop

9:00 pm - 12:31 am

EZE

IAD

28h 31m

1 stop

$658United Airlines

ter, jun 16 - dom, jun 21

6:01 am - 8:15 pm

BWI

EZE

13h 14m

1 stop

9:15 am - 11:54 pm

EZE

BWI

15h 39m

1 stop

$658American Airlines

dom, jun 21 - qui, jun 25

5:24 pm - 7:05 am

DCA

EZE

12h 41m

1 stop

9:15 am - 11:53 pm

EZE

DCA

15h 38m

2 stops

$659American Airlines

ter, jun 30 - ter, jul 7

11:00 am - 7:40 am

DCA

AEP

19h 40m

2 stops

3:45 pm - 2:05 pm

AEP

DCA

23h 20m

2 stops

$667LATAM Airlines

sex, ago 21 - dom, ago 30

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

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

Copa Airlines

Jul 8

IAD6:25 amWashington, D.C. Dulles Intl

17h 27m

1 stop

EZE12:52 amBuenos Aires Ministro Pistarini

Jul 14

EZE2:49 pmBuenos Aires Ministro Pistarini

14h 32m

1 stop

IAD4:21 amWashington, D.C. Dulles Intl

$655

Copa Airlines

Jun 7

BWI4:46 pmBaltimore/Washington

28h 41m

1 stop

EZE10:27 pmBuenos Aires Ministro Pistarini

Jun 9

EZE2:49 pmBuenos Aires Ministro Pistarini

25h 41m

1 stop

BWI3:30 pmBaltimore/Washington

$676

Copa Airlines

Jul 14

IAD2:22 amWashington, D.C. Dulles Intl

24h 53m

1 stop

EZE4:15 amBuenos Aires Ministro Pistarini

Jul 22

EZE12:10 amBuenos Aires Ministro Pistarini

29h 11m

1 stop

IAD4:21 amWashington, D.C. Dulles Intl

$678

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

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

United Airlines

Aug 10

DCA12:59 pmWashington, D.C. Reagan-National

18h 01m

1 stop

EZE8:00 amBuenos Aires Ministro Pistarini

Aug 16

EZE9:00 pmBuenos Aires Ministro Pistarini

15h 54m

1 stop

DCA11:54 amWashington, D.C. Reagan-National

$657

United Airlines

Jun 16

IAD10:20 pmWashington, D.C. Dulles Intl

32h 40m

1 stop

EZE8:00 amBuenos Aires Ministro Pistarini

Jun 21

EZE9:00 pmBuenos Aires Ministro Pistarini

28h 31m

1 stop

IAD12:31 amWashington, D.C. Dulles Intl

$658

United Airlines

Sep 3

IAD3:02 pmWashington, D.C. Dulles Intl

15h 58m

1 stop

EZE8:00 amBuenos Aires Ministro Pistarini

Sep 29

EZE9:00 pmBuenos Aires Ministro Pistarini

15h 28m

1 stop

IAD11:28 amWashington, D.C. Dulles Intl

$667

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

DCA - EZE

DCAEZE

Washington, D.C. Reagan-National

qua 7/1

6:25 pm-9:45 am

1 stop14h 20m

Buenos Aires Ministro Pistarini

sex 7/10

8:10 pm-9:16 am

1 stop14h 06m

$632

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

dom 7/5

12:38 pm-9:45 am

1 stop20h 07m

Buenos Aires Ministro Pistarini

sáb 8/1

1:10 pm-2:34 pm

2 stops26h 24m

$636

Washington, D.C.Buenos Aires

DCA - EZE

DCAEZE

Washington, D.C. Reagan-National

ter 9/15

6:30 pm-9:45 am

1 stop14h 15m

Buenos Aires Ministro Pistarini

ter 9/29

1:10 pm-11:26 am

2 stops23h 16m

$646

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

qua 7/8

4:26 pm-10:27 pm

1 stop29h 01m

Buenos Aires Ministro Pistarini

qui 7/16

2:49 pm-4:21 am

1 stop14h 32m

$655

BaltimoreBuenos Aires

BWI - EZE

BWIEZE

Baltimore/Washington

qua 10/21

4:49 pm-12:51 am

1 stop31h 02m

Buenos Aires Ministro Pistarini

ter 11/10

2:02 am-2:14 pm

1 stop14h 12m

$655

Washington, D.C.Buenos Aires

DCA - EZE

DCAEZE

Washington, D.C. Reagan-National

seg 8/10

12:59 pm-8:00 am

1 stop18h 01m

Buenos Aires Ministro Pistarini

dom 8/16

9:00 pm-11:54 am

1 stop15h 54m

$657

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

ter 6/16

10:20 pm-8:00 am

1 stop32h 40m

Buenos Aires Ministro Pistarini

dom 6/21

9:00 pm-12:31 am

1 stop28h 31m

$658

BaltimoreBuenos Aires

BWI - EZE

BWIEZE

Baltimore/Washington

dom 6/21

6:01 am-8:15 pm

1 stop13h 14m

Buenos Aires Ministro Pistarini

qui 6/25

9:15 am-11:54 pm

1 stop15h 39m

$658

Quickest round-trip

Washington, D.C.Buenos Aires

DCA - EZE

DCAEZE

Washington, D.C. Reagan-National

ter 6/30

5:24 pm-7:05 am

1 stop12h 41m

Buenos Aires Ministro Pistarini

ter 7/7

9:15 am-11:53 pm

2 stops15h 38m

$659

Washington, D.C.Buenos Aires

DCA - AEP

DCAAEP

Washington, D.C. Reagan-National

sex 8/21

11:00 am-7:40 am

2 stops19h 40m

Buenos Aires Jorge Newbery

dom 8/30

3:45 pm-2:05 pm

2 stops23h 20m

$667

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 April, then departing from Washington, D.C. during the month January is also very affordable. Most momondo users find prices during this month for around $256.

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 $763 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 $668 on momondo.

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

You could potentially save up to 2% 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 37m
Direct flights	None

The fastest flight from Washington, D.C. to Argentina takes 12h 37m

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 June 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 7.8 8,397 reviews	Search Delta flights
LATAM Airlines	PriceFrom $278	Free Cancellation	Rating 7.4 1,918 reviews	Search LATAM Airlines flights
Avianca	PriceFrom $280	Free Cancellation	Rating 6.5 2,531 reviews	Search Avianca flights
Copa Airlines	PriceFrom $336	Free Cancellation	Rating 7.5 1,568 reviews	Search Copa Airlines flights
American Airlines	PriceFrom $599	Free Cancellation	Rating 7.1 11,648 reviews	Search American Airlines flights
United Airlines	PriceFrom $620	Free Cancellation	Rating 7.4 9,778 reviews	Search United 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.