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 51% 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 December 2025, 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 2025/26

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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.

5:59 pm - 9:00 amIAD-EZE

13h 01m1 stop

11:55 pm - 2:40 pmEZE-IAD

16h 45m1 stop

$639LATAM Airlines

Find Deal

Thu, Dec 11 - Tue, Dec 16

10:05 am - 7:40 pmIAD-AEP

32h 35m2 stops

8:05 pm - 12:09 amAEP-IAD

29h 04m2 stops

$640LATAM Airlines

Find Deal

Tue, May 12 - Mon, May 18

12:50 pm - 9:20 amIAD-EZE

18h 30m1 stop

10:05 pm - 4:06 pmEZE-IAD

20h 01m1 stop

$640United Airlines

Find Deal

Sun, Feb 15 - Mon, Mar 2

12:30 pm - 10:40 amIAD-MDZ

21h 10m2 stops

7:40 pm - 7:16 pmMDZ-IAD

24h 36m2 stops

$640LATAM Airlines

Find Deal

Wed, May 6 - Wed, May 13

2:18 am - 1:57 amIAD-EZE

22h 39m1 stop

3:52 am - 12:34 amEZE-IAD

21h 42m1 stop

$643Copa Airlines

Find Deal

Wed, Mar 25 - Tue, Apr 14

7:32 pm - 9:00 amIAD-EZE

35h 28m1 stop

8:55 pm - 9:08 amEZE-IAD

14h 13m1 stop

$647Delta

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Wed, Feb 18 - Tue, Mar 3

5:40 pm - 7:20 amIAD-EZE

35h 40m1 stop

10:05 pm - 9:04 pmEZE-IAD

24h 59m1 stop

$648United Airlines

Find Deal

Sat, Dec 13 - Tue, Dec 23

1:12 am - 4:10 amIAD-EZE

24h 58m1 stop

2:48 pm - 3:13 amEZE-IAD

14h 25m1 stop

$650Copa Airlines

Find Deal

Wed, Jan 21 - Wed, Jan 28

3:35 pm - 5:50 amIAD-EZE

13h 15m1 stop

4:55 pm - 5:25 amEZE-IAD

13h 30m1 stop

$653Avianca

Find Deal

Sun, Mar 8 - Sat, Mar 21

3:25 pm - 5:45 amIAD-EZE

13h 20m1 stop

1:40 am - 4:20 amEZE-IAD

27h 40m2 stops

$654Avianca

Find Deal

Mon, May 18 - Sat, May 23

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

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

LATAM Airlines

Dec 11

IAD5:59 pmWashington, D.C. Dulles Intl

13h 01m

1 stop

EZE9:00 amBuenos Aires Ministro Pistarini

Dec 16

EZE11:55 pmBuenos Aires Ministro Pistarini

16h 45m

1 stop

IAD2:40 pmWashington, D.C. Dulles Intl

$639

Find similar

LATAM Airlines

May 12

IAD10:05 amWashington, D.C. Dulles Intl

32h 35m

2 stops

AEP7:40 pmBuenos Aires Jorge Newbery

May 20

AEP8:40 amBuenos Aires Jorge Newbery

28h 21m

2 stops

IAD12:01 pmWashington, D.C. Dulles Intl

$640

Find similar

LATAM Airlines

Dec 11

IAD12:19 pmWashington, D.C. Dulles Intl

18h 41m

2 stops

EZE9:00 amBuenos Aires Ministro Pistarini

Dec 17

EZE8:55 pmBuenos Aires Ministro Pistarini

14h 16m

1 stop

IAD9:11 amWashington, D.C. Dulles Intl

$644

Find similar

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

Feb 15

IAD12:50 pmWashington, D.C. Dulles Intl

18h 30m

1 stop

EZE9:20 amBuenos Aires Ministro Pistarini

Mar 2

EZE10:05 pmBuenos Aires Ministro Pistarini

20h 01m

1 stop

IAD4:06 pmWashington, D.C. Dulles Intl

$640

Find similar

United Airlines

Dec 8

IAD6:00 amWashington, D.C. Dulles Intl

19h 51m

2 stops

COR3:51 amCordoba Pajas Blancas

Dec 11

COR5:37 amCordoba Pajas Blancas

18h 38m

2 stops

IAD10:15 pmWashington, D.C. Dulles Intl

$642

Find similar

United Airlines

Dec 13

IAD5:40 pmWashington, D.C. Dulles Intl

35h 40m

1 stop

EZE7:20 amBuenos Aires Ministro Pistarini

Dec 23

EZE10:05 pmBuenos Aires Ministro Pistarini

24h 59m

1 stop

IAD9:04 pmWashington, D.C. Dulles Intl

$648

Find similar

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

Thu 12/11

5:59 pm-9:00 am

1 stop13h 01m

Buenos Aires Ministro Pistarini

Tue 12/16

11:55 pm-2:40 pm

1 stop16h 45m

$639

Washington, D.C.Buenos Aires

IAD - AEP

IADAEP

Washington, D.C. Dulles Intl

Tue 5/12

10:05 am-7:40 pm

2 stops32h 35m

Buenos Aires Jorge Newbery

Mon 5/18

8:05 pm-12:09 am

2 stops29h 04m

$640

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Sun 2/15

12:50 pm-9:20 am

1 stop18h 30m

Buenos Aires Ministro Pistarini

Mon 3/2

10:05 pm-4:06 pm

1 stop20h 01m

$640

Washington, D.C.Mendoza

IAD - MDZ

IADMDZ

Washington, D.C. Dulles Intl

Wed 5/6

12:30 pm-10:40 am

2 stops21h 10m

Mendoza El Plumerillo

Wed 5/13

7:40 pm-7:16 pm

2 stops24h 36m

$640

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Wed 3/25

2:18 am-1:57 am

1 stop22h 39m

Buenos Aires Ministro Pistarini

Tue 4/14

3:52 am-12:34 am

1 stop21h 42m

$643

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Wed 2/18

7:32 pm-9:00 am

1 stop35h 28m

Buenos Aires Ministro Pistarini

Tue 3/3

8:55 pm-9:08 am

1 stop14h 13m

$647

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Sat 12/13

5:40 pm-7:20 am

1 stop35h 40m

Buenos Aires Ministro Pistarini

Tue 12/23

10:05 pm-9:04 pm

1 stop24h 59m

$648

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Wed 1/21

1:12 am-4:10 am

1 stop24h 58m

Buenos Aires Ministro Pistarini

Wed 1/28

2:48 pm-3:13 am

1 stop14h 25m

$650

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Sun 3/8

3:35 pm-5:50 am

1 stop13h 15m

Buenos Aires Ministro Pistarini

Sat 3/21

4:55 pm-5:25 am

1 stop13h 30m

$653

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Mon 5/18

3:25 pm-5:45 am

1 stop13h 20m

Buenos Aires Ministro Pistarini

Sat 5/23

1:40 am-4:20 am

2 stops27h 40m

$654

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 $647.

What is the cheapest day to depart on your flight to Argentina?

The cheapest day to depart from Washington, D.C. Dulles Intl Airport to Argentina is on a Monday. Travelers who choose to depart for Argentina on a Monday will often find tickets for as low as $959. The most expensive day to fly to Argentina is Friday, with ticket prices averaging around $1,099.

What is the cheapest time of day to depart on your flight to Argentina?

The cheapest time of day to fly to Argentina is in the evening when flights can be purchased for as low as $998. Flights at noon are often more expensive with an average ticket price of $1,105.

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 $849 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 $722 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	13h 01m
Direct flights	None

The fastest flight from Washington, D.C. Dulles Intl Airport to Argentina takes 13h 01m

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 December 2025, 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
Avianca	PriceFrom $600	Free Cancellation	Rating 6.6 2,474 reviews	Search Avianca flights
Copa Airlines	PriceFrom $617	Free Cancellation	Rating 7.6 1,558 reviews	Search Copa Airlines flights
United Airlines	PriceFrom $629	Free Cancellation	Rating 7.4 9,062 reviews	Search United Airlines flights
Delta	PriceFrom $629	Free Cancellation	Rating 7.9 8,010 reviews	Search Delta flights
LATAM Airlines	PriceFrom $669	Free Cancellation	Rating 7.5 1,890 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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Find better results for your trip to Argentina

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

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

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

Our best LATAM 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

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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

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

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 $647.

What is the cheapest day to depart on your flight to Argentina?

The cheapest day to depart from Washington, D.C. Dulles Intl Airport to Argentina is on a Monday. Travelers who choose to depart for Argentina on a Monday will often find tickets for as low as $959. The most expensive day to fly to Argentina is Friday, with ticket prices averaging around $1,099.

What is the cheapest time of day to depart on your flight to Argentina?

The cheapest time of day to fly to Argentina is in the evening when flights can be purchased for as low as $998. Flights at noon are often more expensive with an average ticket price of $1,105.

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 6% 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?

LATAM Airlines, United Airlines, and Delta 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