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 50% 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.

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

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

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

As of January 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

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

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.

3:35 pm - 5:50 am

IAD

EZE

13h 15m

1 stop

4:50 pm - 5:20 am

EZE

IAD

13h 30m

1 stop

$601Avianca

Mon, Mar 23 - Wed, Apr 1

6:45 am - 3:50 pm

IAD

EZE

32h 05m

1 stop

7:10 am - 5:20 am

EZE

IAD

23h 10m

1 stop

$603Avianca

Wed, Mar 25 - Thu, Apr 2

6:50 am - 5:45 am

IAD

EZE

21h 55m

1 stop

7:10 am - 2:45 am

EZE

IAD

20h 35m

2 stops

$604Avianca

Wed, May 20 - Tue, May 26

9:19 am - 6:00 am

IAD

EZE

19h 41m

2 stops

10:20 pm - 11:59 pm

EZE

IAD

26h 39m

2 stops

$605American Airlines

Wed, Apr 15 - Wed, Apr 22

3:35 pm - 3:40 pm

IAD

EZE

23h 05m

1 stop

7:10 am - 5:20 am

EZE

IAD

23h 10m

1 stop

$606Avianca

Sat, May 16 - Sun, May 31

2:21 am - 10:25 pm

IAD

EZE

19h 04m

1 stop

2:57 pm - 4:22 am

EZE

IAD

14h 25m

1 stop

$609Copa Airlines

Sun, Apr 5 - Sun, Apr 19

10:20 pm - 12:20 am

IAD

COR

25h 00m

2 stops

3:32 am - 10:49 pm

COR

IAD

20h 17m

2 stops

$623United Airlines

Fri, May 8 - Fri, May 15

1:19 pm - 4:30 pm

IAD

COR

26h 11m

2 stops

4:20 pm - 12:39 pm

COR

IAD

21h 19m

2 stops

$627LATAM Airlines

Wed, Mar 11 - Sun, Mar 15

1:19 pm - 9:20 am

IAD

MDZ

19h 01m

2 stops

7:50 am - 9:10 am

MDZ

IAD

26h 20m

2 stops

$627LATAM Airlines

Tue, Mar 10 - Thu, Mar 12

2:18 am - 12:09 am

IAD

MDZ

20h 51m

1 stop

1:30 am - 3:02 pm

MDZ

IAD

14h 32m

1 stop

$669Copa Airlines

Sat, Mar 21 - Sat, Mar 28

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

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

Copa Airlines

Feb 17

IAD1:18 amWashington, D.C. Dulles Intl

20h 52m

1 stop

EZE12:10 amBuenos Aires Ministro Pistarini

Mar 4

EZE5:16 amBuenos Aires Ministro Pistarini

23h 59m

1 stop

IAD3:15 amWashington, D.C. Dulles Intl

$629

Copa Airlines

Feb 17

IAD3:35 pmWashington, D.C. Dulles Intl

30h 35m

1 stop

EZE12:10 amBuenos Aires Ministro Pistarini

Feb 26

EZE2:48 pmBuenos Aires Ministro Pistarini

14h 27m

1 stop

IAD3:15 amWashington, D.C. Dulles Intl

$642

Copa Airlines

Feb 17

IAD1:18 amWashington, D.C. Dulles Intl

20h 52m

1 stop

EZE12:10 amBuenos Aires Ministro Pistarini

Apr 29

EZE2:57 pmBuenos Aires Ministro Pistarini

14h 25m

1 stop

IAD4:22 amWashington, D.C. Dulles Intl

$664

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

Apr 6

IAD6:00 amWashington, D.C. Dulles Intl

25h 00m

1 stop

EZE8:00 amBuenos Aires Ministro Pistarini

Apr 21

EZE9:00 pmBuenos Aires Ministro Pistarini

26h 44m

1 stop

IAD10:44 pmWashington, D.C. Dulles Intl

$609

United Airlines

Feb 26

IAD6:03 amWashington, D.C. Dulles Intl

25h 17m

1 stop

EZE9:20 amBuenos Aires Ministro Pistarini

Mar 1

EZE11:55 pmBuenos Aires Ministro Pistarini

24h 21m

1 stop

IAD10:16 pmWashington, D.C. Dulles Intl

$617

United Airlines

Feb 24

IAD12:50 pmWashington, D.C. Dulles Intl

16h 30m

1 stop

EZE7:20 amBuenos Aires Ministro Pistarini

Mar 3

EZE10:05 pmBuenos Aires Ministro Pistarini

15h 16m

1 stop

IAD11:21 amWashington, D.C. Dulles Intl

$621

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

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Mon 3/23

3:35 pm-5:50 am

1 stop13h 15m

Buenos Aires Ministro Pistarini

Wed 4/1

4:50 pm-5:20 am

1 stop13h 30m

$601

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Wed 3/25

6:45 am-3:50 pm

1 stop32h 05m

Buenos Aires Ministro Pistarini

Thu 4/2

7:10 am-5:20 am

1 stop23h 10m

$603

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Wed 5/20

6:50 am-5:45 am

1 stop21h 55m

Buenos Aires Ministro Pistarini

Tue 5/26

7:10 am-2:45 am

2 stops20h 35m

$604

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Wed 4/15

9:19 am-6:00 am

2 stops19h 41m

Buenos Aires Ministro Pistarini

Wed 4/22

10:20 pm-11:59 pm

2 stops26h 39m

$605

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Sat 5/16

3:35 pm-3:40 pm

1 stop23h 05m

Buenos Aires Ministro Pistarini

Sun 5/31

7:10 am-5:20 am

1 stop23h 10m

$606

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Sun 4/5

2:21 am-10:25 pm

1 stop19h 04m

Buenos Aires Ministro Pistarini

Sun 4/19

2:57 pm-4:22 am

1 stop14h 25m

$609

Washington, D.C.Cordoba

IAD - COR

IADCOR

Washington, D.C. Dulles Intl

Fri 5/8

10:20 pm-12:20 am

2 stops25h 00m

Cordoba Pajas Blancas

Fri 5/15

3:32 am-10:49 pm

2 stops20h 17m

$623

Washington, D.C.Cordoba

IAD - COR

IADCOR

Washington, D.C. Dulles Intl

Wed 3/11

1:19 pm-4:30 pm

2 stops26h 11m

Cordoba Pajas Blancas

Sun 3/15

4:20 pm-12:39 pm

2 stops21h 19m

$627

Washington, D.C.Mendoza

IAD - MDZ

IADMDZ

Washington, D.C. Dulles Intl

Tue 3/10

1:19 pm-9:20 am

2 stops19h 01m

Mendoza El Plumerillo

Thu 3/12

7:50 am-9:10 am

2 stops26h 20m

$627

Washington, D.C.Mendoza

IAD - MDZ

IADMDZ

Washington, D.C. Dulles Intl

Sat 3/21

2:18 am-12:09 am

1 stop20h 51m

Mendoza El Plumerillo

Sat 3/28

1:30 am-3:02 pm

1 stop14h 32m

$669

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 October, then departing from Washington, D.C. Dulles Intl Airport during the month September is also very affordable. Most momondo users find prices during this month for around $643.

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 $847 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 $619 on momondo.

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

You could potentially save up to 8% 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 January 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 8,124 reviews	Search Delta flights
Avianca	PriceFrom $280	Free Cancellation	Rating 6.6 2,491 reviews	Search Avianca flights
Copa Airlines	PriceFrom $617	Free Cancellation	Rating 7.5 1,560 reviews	Search Copa Airlines flights
United Airlines	PriceFrom $629	Free Cancellation	Rating 7.4 9,214 reviews	Search United Airlines flights
LATAM Airlines	PriceFrom $635	Free Cancellation	Rating 7.5 1,917 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.

An easier way to manage your Argentina trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Start using Trips

Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

1 adult

Sat 2/28

Sat 3/7

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Argentina

Cheap flights from Washington, D.C. Dulles Intl Airport to Argentina from $251

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

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

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

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

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

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

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.

See travel insights to Argentina from

How to get the cheapest flight ticket from Washington, D.C. Dulles Intl Airport to Argentina

What is the cheapest month to fly to Argentina?

If you are unable to visit Argentina during the month of October, then departing from Washington, D.C. Dulles Intl Airport during the month September is also very affordable. Most momondo users find prices during this month for around $643.

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

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

You could potentially save up to 8% on your flight if you consider stops on a Washington, D.C. Dulles Intl Airport to Argentina flight.

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

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

What airlines fly to Argentina?

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

Direct flights

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

How many operators does momondo search 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?

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

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

Why use momondo?

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

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

How can momondo help me find flights 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?

An easier way to manage your Argentina trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Argentina

Popular cities in Argentina

Popular flights according to clicks in the last 7 days on momondo