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

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

What airlines fly to Argentina?

Copa Airlines, Avianca and Delta are the top three most popular airlines that fly to Argentina from Washington, D.C. Dulles Intl Airport according to our data. Copa Airlines is the first choice among our users, with 46% of people opting to fly with this airline when traveling to Argentina. Keep in mind that there are 5 different airlines that fly to Argentina on a routine basis, so you have a few additional options to choose from.

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

As of March 2026, there are 5 operators available to choose from for flights from Washington, D.C. Dulles Intl Airport to Argentina.

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

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Washington, D.C. Dulles Intl Airport to Argentina.

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

The travel and health documents required for your trip to Argentina can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Argentina. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$251 Cheap Flights from Washington, D.C. Dulles Intl Airport to Argentina in 2026

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Find the cheapest flights from Washington, D.C. Dulles Intl Airport 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

5:25 am - 4:21 am

EZE

IAD

23h 56m

1 stop

$589Copa Airlines

Thu, May 7 - Sun, May 17

6:50 am - 5:40 am

IAD

EZE

21h 50m

1 stop

4:50 pm - 5:20 am

EZE

IAD

13h 30m

1 stop

$596Avianca

Sat, Apr 25 - Fri, May 1

3:35 pm - 5:40 am

IAD

AEP

13h 05m

1 stop

7:00 am - 2:45 am

AEP

IAD

20h 45m

2 stops

$598Avianca

Mon, May 4 - Wed, May 13

6:50 am - 5:40 am

IAD

EZE

21h 50m

1 stop

7:10 am - 2:45 am

EZE

IAD

20h 35m

2 stops

$598Avianca

Mon, May 4 - Wed, May 13

6:00 am - 8:00 am

IAD

EZE

25h 00m

1 stop

9:00 pm - 11:33 am

EZE

IAD

15h 33m

1 stop

$601United Airlines

Sun, May 17 - Mon, Jun 8

10:11 pm - 3:51 am

IAD

COR

28h 40m

2 stops

3:35 am - 11:33 am

COR

IAD

32h 58m

2 stops

$603United Airlines

Mon, Apr 20 - Thu, Apr 23

12:30 pm - 4:25 pm

IAD

COR

26h 55m

2 stops

5:30 am - 12:10 am

COR

IAD

19h 40m

2 stops

$651LATAM Airlines

Fri, Aug 21 - Fri, Aug 28

2:21 am - 2:22 am

IAD

COR

23h 01m

1 stop

5:49 am - 12:33 am

COR

IAD

19h 44m

1 stop

$709Copa Airlines

Sat, May 2 - Sun, May 10

12:30 pm - 4:25 pm

IAD

COR

26h 55m

2 stops

7:45 am - 9:50 am

COR

IAD

27h 05m

2 stops

$721LATAM Airlines

Fri, Aug 21 - Fri, Aug 28

12:30 pm - 11:06 am

IAD

MDZ

21h 36m

2 stops

7:50 pm - 7:16 pm

MDZ

IAD

24h 26m

2 stops

$997Delta

Fri, Jul 3 - Thu, Jul 9

Avianca flights from Washington, D.C. Dulles Intl Airport to Argentina

Our best Avianca deals on Washington, D.C. Dulles Intl Airport to Argentina flight tickets

Avianca

Apr 13

IAD6:50 amWashington, D.C. Dulles Intl

21h 50m

1 stop

EZE5:40 amBuenos Aires Ministro Pistarini

Apr 26

EZE4:50 pmBuenos Aires Ministro Pistarini

22h 25m

1 stop

IAD2:15 pmWashington, D.C. Dulles Intl

$572

Avianca

Apr 25

IAD6:50 amWashington, D.C. Dulles Intl

21h 50m

1 stop

EZE5:40 amBuenos Aires Ministro Pistarini

May 1

EZE4:50 pmBuenos Aires Ministro Pistarini

13h 30m

1 stop

IAD5:20 amWashington, D.C. Dulles Intl

$596

Avianca

May 4

IAD6:50 amWashington, D.C. Dulles Intl

21h 50m

1 stop

EZE5:40 amBuenos Aires Ministro Pistarini

May 13

EZE7:10 amBuenos Aires Ministro Pistarini

20h 35m

2 stops

IAD2:45 amWashington, D.C. Dulles Intl

$598

United Airlines flights from Washington, D.C. Dulles Intl Airport to Argentina

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

United Airlines

May 17

IAD6:00 amWashington, D.C. Dulles Intl

25h 00m

1 stop

EZE8:00 amBuenos Aires Ministro Pistarini

Jun 8

EZE9:00 pmBuenos Aires Ministro Pistarini

15h 33m

1 stop

IAD11:33 amWashington, D.C. Dulles Intl

$601

United Airlines

Apr 20

IAD10:11 pmWashington, D.C. Dulles Intl

28h 40m

2 stops

COR3:51 amCordoba Pajas Blancas

Apr 23

COR3:35 amCordoba Pajas Blancas

32h 58m

2 stops

IAD11:33 amWashington, D.C. Dulles Intl

$603

United Airlines

May 3

IAD8:30 amWashington, D.C. Dulles Intl

22h 30m

1 stop

EZE8:00 amBuenos Aires Ministro Pistarini

May 6

EZE9:00 pmBuenos Aires Ministro Pistarini

26h 49m

1 stop

IAD10:49 pmWashington, D.C. Dulles Intl

$609

momondo Fare Finder

Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport 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

Thu 5/7

2:21 am-10:25 pm

1 stop19h 04m

Buenos Aires Ministro Pistarini

Sun 5/17

5:25 am-4:21 am

1 stop23h 56m

$589

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Sat 4/25

6:50 am-5:40 am

1 stop21h 50m

Buenos Aires Ministro Pistarini

Fri 5/1

4:50 pm-5:20 am

1 stop13h 30m

$596

Quickest round-trip

Washington, D.C.Buenos Aires

IAD - AEP

IADAEP

Washington, D.C. Dulles Intl

Mon 5/4

3:35 pm-5:40 am

1 stop13h 05m

Buenos Aires Jorge Newbery

Wed 5/13

7:00 am-2:45 am

2 stops20h 45m

$598

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Mon 5/4

6:50 am-5:40 am

1 stop21h 50m

Buenos Aires Ministro Pistarini

Wed 5/13

7:10 am-2:45 am

2 stops20h 35m

$598

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Sun 5/17

6:00 am-8:00 am

1 stop25h 00m

Buenos Aires Ministro Pistarini

Mon 6/8

9:00 pm-11:33 am

1 stop15h 33m

$601

Washington, D.C.Cordoba

IAD - COR

IADCOR

Washington, D.C. Dulles Intl

Mon 4/20

10:11 pm-3:51 am

2 stops28h 40m

Cordoba Pajas Blancas

Thu 4/23

3:35 am-11:33 am

2 stops32h 58m

$603

Washington, D.C.Cordoba

IAD - COR

IADCOR

Washington, D.C. Dulles Intl

Fri 8/21

12:30 pm-4:25 pm

2 stops26h 55m

Cordoba Pajas Blancas

Fri 8/28

5:30 am-12:10 am

2 stops19h 40m

$651

Washington, D.C.Cordoba

IAD - COR

IADCOR

Washington, D.C. Dulles Intl

Sat 5/2

2:21 am-2:22 am

1 stop23h 01m

Cordoba Pajas Blancas

Sun 5/10

5:49 am-12:33 am

1 stop19h 44m

$709

Washington, D.C.Cordoba

IAD - COR

IADCOR

Washington, D.C. Dulles Intl

Fri 8/21

12:30 pm-4:25 pm

2 stops26h 55m

Cordoba Pajas Blancas

Fri 8/28

7:45 am-9:50 am

2 stops27h 05m

$721

Washington, D.C.Mendoza

IAD - MDZ

IADMDZ

Washington, D.C. Dulles Intl

Fri 7/3

12:30 pm-11:06 am

2 stops21h 36m

Mendoza El Plumerillo

Thu 7/9

7:50 pm-7:16 pm

2 stops24h 26m

$997

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. Dulles Intl Airport 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

What is the cheapest month to fly to Argentina?

If you are unable to visit Argentina during the month of September, then departing from Washington, D.C. Dulles Intl Airport during the month October is also very affordable. Most momondo users find prices during this month for around $647.

How far in advance should I book a flight to Argentina?

You are more likely to see cheaper flights to Argentina from Washington, D.C. Dulles Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Argentina for around $768 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. Dulles Intl Airport for as low as $628 on momondo.

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

You could potentially save up to 3% on your flight if you consider stops on a Washington, D.C. Dulles Intl Airport to Argentina flight.

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

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

Fastest flight time	13h 05m
Direct flights	None

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

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

Search flight deals

When did momondo last update prices for flights from Washington, D.C. Dulles Intl Airport to Argentina?
Prices for flights from Washington, D.C. Dulles Intl Airport to Argentina are updated daily.
How many operators does momondo search for flights from Washington, D.C. Dulles Intl Airport to Argentina?
As of March 2026, there are 5 operators available to choose from for flights from Washington, D.C. Dulles Intl Airport to Argentina.
How old do you have to be to fly from Washington, D.C. Dulles Intl Airport to Argentina?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Washington, D.C. Dulles Intl Airport to Argentina.
What documentation or ID do you need to fly to Argentina?
The travel and health documents required for your trip to Argentina can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Argentina. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Washington, D.C. Dulles Intl Airport to Argentina

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

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $274	Free Cancellation	Rating 7.9 8,315 reviews	Search Delta flights
Avianca	PriceFrom $280	Free Cancellation	Rating 6.5 2,505 reviews	Search Avianca flights
Copa Airlines	PriceFrom $355	Free Cancellation	Rating 7.5 1,575 reviews	Search Copa Airlines flights
United Airlines	PriceFrom $620	Free Cancellation	Rating 7.4 9,459 reviews	Search United Airlines flights
LATAM Airlines	PriceFrom $635	Free Cancellation	Rating 7.4 1,916 reviews	Search LATAM Airlines flights

Why use momondo?

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

It is quick and easy to find Washington, D.C. to Argentina flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Argentina that suits you.

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

momondo does allow users to show only those flights to Argentina from Washington, D.C. which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Washington, D.C. to Argentina?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Washington, D.C. to Argentina.

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

If you are not ready to book a flight from Washington, D.C. to Argentina now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Argentina and let you know when they change.