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 48% 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?

LATAM Airlines, United Airlines, and Delta 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 July 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.

$275 Cheap Flights from Washington, D.C. Dulles Intl Airport to Argentina in 2026

Discover deals from 900+ travel sites with momondo.

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.

7:26 pm - 9:45 am

IAD

EZE

13h 19m

1 stop

8:10 pm - 12:41 am

EZE

IAD

29h 31m

1 stop

$660Delta

Thu, Jul 16 - Wed, Jul 29

1:16 am - 5:53 am

IAD

EZE

26h 37m

1 stop

2:33 pm - 3:15 am

EZE

IAD

14h 42m

1 stop

$666Copa Airlines

Mon, Nov 2 - Tue, Nov 17

8:40 am - 8:00 am

IAD

EZE

22h 20m

1 stop

9:00 pm - 11:28 am

EZE

IAD

15h 28m

1 stop

$667United Airlines

Sun, Jul 12 - Thu, Jul 30

7:26 pm - 6:50 pm

IAD

EZE

22h 24m

2 stops

1:10 pm - 2:01 pm

EZE

IAD

25h 51m

2 stops

$671Delta

Mon, Jul 13 - Mon, Jul 27

10:20 pm - 8:00 am

IAD

EZE

32h 40m

1 stop

9:00 pm - 11:28 am

EZE

IAD

15h 28m

1 stop

$676United Airlines

Sat, Jul 11 - Tue, Jul 28

5:45 am - 5:40 am

IAD

AEP

21h 55m

1 stop

7:00 am - 1:40 am

AEP

IAD

20h 40m

2 stops

$733Avianca

Wed, Dec 2 - Sun, Dec 20

2:35 pm - 5:40 am

IAD

AEP

13h 05m

1 stop

7:00 am - 1:40 am

AEP

IAD

20h 40m

2 stops

$738Avianca

Mon, Nov 2 - Mon, Nov 9

12:29 pm - 8:26 pm

IAD

COR

30h 57m

2 stops

7:45 am - 12:34 am

COR

IAD

17h 49m

2 stops

$751LATAM Airlines

Mon, Aug 31 - Wed, Sep 2

2:25 am - 12:22 am

IAD

MDZ

20h 57m

1 stop

1:25 am - 4:20 am

MDZ

IAD

27h 55m

1 stop

$816Copa Airlines

Thu, Sep 3 - Fri, Sep 18

12:29 pm - 11:06 am

IAD

MDZ

21h 37m

2 stops

7:35 am - 9:20 am

MDZ

IAD

26h 45m

2 stops

$828LATAM Airlines

Mon, Aug 24 - Thu, Aug 27

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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

Jul 12

IAD8:40 amWashington, D.C. Dulles Intl

22h 20m

1 stop

EZE8:00 amBuenos Aires Ministro Pistarini

Jul 30

EZE9:00 pmBuenos Aires Ministro Pistarini

15h 28m

1 stop

IAD11:28 amWashington, D.C. Dulles Intl

$667

United Airlines

Jul 11

IAD10:20 pmWashington, D.C. Dulles Intl

32h 40m

1 stop

EZE8:00 amBuenos Aires Ministro Pistarini

Jul 28

EZE9:00 pmBuenos Aires Ministro Pistarini

15h 28m

1 stop

IAD11:28 amWashington, D.C. Dulles Intl

$676

United Airlines

Jul 11

IAD10:20 pmWashington, D.C. Dulles Intl

32h 40m

1 stop

EZE8:00 amBuenos Aires Ministro Pistarini

Jul 27

EZE9:00 pmBuenos Aires Ministro Pistarini

26h 43m

1 stop

IAD10:43 pmWashington, D.C. Dulles Intl

$685

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

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

Delta

Jul 16

IAD7:26 pmWashington, D.C. Dulles Intl

13h 19m

1 stop

EZE9:45 amBuenos Aires Ministro Pistarini

Jul 29

EZE8:10 pmBuenos Aires Ministro Pistarini

29h 31m

1 stop

IAD12:41 amWashington, D.C. Dulles Intl

$660

Delta

Jul 13

IAD7:26 pmWashington, D.C. Dulles Intl

22h 24m

2 stops

EZE6:50 pmBuenos Aires Ministro Pistarini

Jul 27

EZE1:10 pmBuenos Aires Ministro Pistarini

25h 51m

2 stops

IAD2:01 pmWashington, D.C. Dulles Intl

$671

Delta

Sep 10

IAD3:15 pmWashington, D.C. Dulles Intl

17h 30m

1 stop

EZE9:45 amBuenos Aires Ministro Pistarini

Sep 22

EZE7:35 amBuenos Aires Ministro Pistarini

35h 11m

2 stops

IAD5:46 pmWashington, D.C. Dulles Intl

$722

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 7/16

7:26 pm-9:45 am

1 stop13h 19m

Buenos Aires Ministro Pistarini

Wed 7/29

8:10 pm-12:41 am

1 stop29h 31m

$660

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Mon 11/2

1:16 am-5:53 am

1 stop26h 37m

Buenos Aires Ministro Pistarini

Tue 11/17

2:33 pm-3:15 am

1 stop14h 42m

$666

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Sun 7/12

8:40 am-8:00 am

1 stop22h 20m

Buenos Aires Ministro Pistarini

Thu 7/30

9:00 pm-11:28 am

1 stop15h 28m

$667

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Mon 7/13

7:26 pm-6:50 pm

2 stops22h 24m

Buenos Aires Ministro Pistarini

Mon 7/27

1:10 pm-2:01 pm

2 stops25h 51m

$671

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Sat 7/11

10:20 pm-8:00 am

1 stop32h 40m

Buenos Aires Ministro Pistarini

Tue 7/28

9:00 pm-11:28 am

1 stop15h 28m

$676

Washington, D.C.Buenos Aires

IAD - AEP

IADAEP

Washington, D.C. Dulles Intl

Wed 12/2

5:45 am-5:40 am

1 stop21h 55m

Buenos Aires Jorge Newbery

Sun 12/20

7:00 am-1:40 am

2 stops20h 40m

$733

Quickest round-trip

Washington, D.C.Buenos Aires

IAD - AEP

IADAEP

Washington, D.C. Dulles Intl

Mon 11/2

2:35 pm-5:40 am

1 stop13h 05m

Buenos Aires Jorge Newbery

Mon 11/9

7:00 am-1:40 am

2 stops20h 40m

$738

Washington, D.C.Cordoba

IAD - COR

IADCOR

Washington, D.C. Dulles Intl

Mon 8/31

12:29 pm-8:26 pm

2 stops30h 57m

Cordoba Pajas Blancas

Wed 9/2

7:45 am-12:34 am

2 stops17h 49m

$751

Washington, D.C.Mendoza

IAD - MDZ

IADMDZ

Washington, D.C. Dulles Intl

Thu 9/3

2:25 am-12:22 am

1 stop20h 57m

Mendoza El Plumerillo

Fri 9/18

1:25 am-4:20 am

1 stop27h 55m

$816

Washington, D.C.Mendoza

IAD - MDZ

IADMDZ

Washington, D.C. Dulles Intl

Mon 8/24

12:29 pm-11:06 am

2 stops21h 37m

Mendoza El Plumerillo

Thu 8/27

7:35 am-9:20 am

2 stops26h 45m

$828

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 April, then departing from Washington, D.C. Dulles Intl Airport 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. Dulles Intl Airport 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 $780 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 $396 on momondo.

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

You could potentially save up to 6% 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	12h 16m
Direct flights	None

The fastest flight from Washington, D.C. Dulles Intl Airport to Argentina takes 12h 16m

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

Frequently asked questions about flying from Washington, D.C. Dulles Intl Airport to Argentina

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 July 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
United Airlines	PriceFrom $265	Free Cancellation	Rating 7.4 9,920 reviews	Search United Airlines flights
Delta	PriceFrom $274	Free Cancellation	Rating 7.8 8,452 reviews	Search Delta flights
Avianca	PriceFrom $280	Free Cancellation	Rating 6.5 2,515 reviews	Search Avianca flights
Copa Airlines	PriceFrom $346	Free Cancellation	Rating 7.6 1,565 reviews	Search Copa Airlines flights
LATAM Airlines	PriceFrom $635	Free Cancellation	Rating 7.4 1,946 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

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Popular cities

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Other flights to Argentina

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Complete your trip

Feeling lucky

Popular cities in Argentina

Flights to Buenos Airesfrom $415

Flights to Cordobafrom $535

Flights to Mendozafrom $566

Flights to Puerto Iguazúfrom $1,231

Flights to El Calafatefrom $1,544

Flights to Ushuaiafrom $962

Flights to San Carlos de Barilochefrom $822

Flights to Saltafrom $980

Flights to San Miguel de Tucumánfrom $957

Flights to Rosariofrom $709

Flights to Mar del Platafrom $1,248

Flights to Puerto Madryn

Cheap flights from Washington, D.C. Dulles Intl Airport to Argentina from $275

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

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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

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

Our best Delta 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?

How far in advance should I book a flight from Washington, D.C. Dulles Intl Airport to Argentina?

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

What is the cheapest airline that flies 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

Frequently asked questions about flying from Washington, D.C. Dulles Intl Airport 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?

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

Washington, D.C. Dulles Intl Airport flight routes

According to popular flight searches on momondo this year

Argentina flight routes

According to popular flight searches on momondo this year

Fly your favorite airline to Argentina

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Argentina

List of cabin classes available on flights landing in Argentina. Availability may vary depending on flight origin and airline.

Complete your trip to Argentina

Explore popular destinations other users love

According to popular flight searches on momondo this year