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

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 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.

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

As of May 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.

$287 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.

3:02 pm - 9:40 am

IAD

EZE

17h 38m

2 stops

8:30 pm - 6:32 pm

EZE

IAD

23h 02m

2 stops

$683LATAM Airlines

Fri, Jun 12 - Tue, Jun 16

12:37 pm - 9:40 am

IAD

EZE

20h 03m

2 stops

1:10 pm - 2:02 pm

EZE

IAD

25h 52m

2 stops

$697LATAM Airlines

Wed, Jun 10 - Wed, Jun 17

1:00 pm - 9:45 am

IAD

EZE

19h 45m

1 stop

1:35 am - 2:15 pm

EZE

IAD

13h 40m

1 stop

$700Multiple Airlines

Thu, Sep 3 - Tue, Sep 15

2:21 am - 2:30 am

IAD

EZE

23h 09m

1 stop

9:02 am - 12:33 am

EZE

IAD

16h 31m

1 stop

$704Copa Airlines

Tue, Jun 9 - Wed, Jun 17

6:25 am - 4:30 am

IAD

EZE

21h 05m

1 stop

9:02 am - 4:21 am

EZE

IAD

20h 19m

1 stop

$709Copa Airlines

Fri, Jun 5 - Sat, Jun 13

12:40 pm - 7:40 am

IAD

AEP

18h 00m

2 stops

8:05 pm - 11:42 am

AEP

IAD

16h 37m

2 stops

$721Delta

Wed, May 27 - Mon, Jun 1

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

Sat, Nov 7 - Mon, Nov 16

2:35 pm - 5:40 am

IAD

AEP

13h 05m

1 stop

7:00 am - 4:25 am

AEP

IAD

23h 25m

1 stop

$747Avianca

Sun, Nov 1 - Sat, Nov 14

12:29 pm - 12:49 pm

IAD

COR

23h 20m

2 stops

7:45 am - 12:44 am

COR

IAD

17h 59m

2 stops

$801Delta

Tue, Jun 9 - Wed, Jun 24

3:35 pm - 4:23 pm

IAD

BRC

23h 48m

2 stops

7:43 pm - 5:20 am

BRC

IAD

34h 37m

2 stops

$909Multiple Airlines

Mon, Sep 14 - Mon, Sep 21

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

Aug 31

IAD3:02 pmWashington, D.C. Dulles Intl

15h 58m

1 stop

EZE8:00 amBuenos Aires Ministro Pistarini

Sep 17

EZE9:00 pmBuenos Aires Ministro Pistarini

15h 28m

1 stop

IAD11:28 amWashington, D.C. Dulles Intl

$721

United Airlines

Aug 28

IAD10:29 pmWashington, D.C. Dulles Intl

32h 31m

1 stop

EZE8:00 amBuenos Aires Ministro Pistarini

Sep 22

EZE9:00 pmBuenos Aires Ministro Pistarini

22h 57m

1 stop

IAD6:57 pmWashington, D.C. Dulles Intl

$730

United Airlines

Jun 1

IAD2:53 pmWashington, D.C. Dulles Intl

16h 07m

1 stop

EZE8:00 amBuenos Aires Ministro Pistarini

Jun 23

EZE9:00 pmBuenos Aires Ministro Pistarini

15h 28m

1 stop

IAD11:28 amWashington, D.C. Dulles Intl

$771

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

Jun 1

IAD3:35 pmWashington, D.C. Dulles Intl

13h 05m

1 stop

EZE5:40 amBuenos Aires Ministro Pistarini

Jun 5

EZE4:50 pmBuenos Aires Ministro Pistarini

13h 30m

1 stop

IAD5:20 amWashington, D.C. Dulles Intl

$733

Avianca

Jun 1

IAD4:10 amWashington, D.C. Dulles Intl

19h 15m

2 stops

EZE12:25 amBuenos Aires Ministro Pistarini

Jun 5

EZE4:50 pmBuenos Aires Ministro Pistarini

13h 30m

1 stop

IAD5:20 amWashington, D.C. Dulles Intl

$734

Avianca

May 19

IAD6:50 amWashington, D.C. Dulles Intl

21h 50m

1 stop

EZE5:40 amBuenos Aires Ministro Pistarini

May 27

EZE4:50 pmBuenos Aires Ministro Pistarini

13h 30m

1 stop

IAD5:20 amWashington, D.C. Dulles Intl

$736

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

Fri 6/12

3:02 pm-9:40 am

2 stops17h 38m

Buenos Aires Ministro Pistarini

Tue 6/16

8:30 pm-6:32 pm

2 stops23h 02m

$683

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Wed 6/10

12:37 pm-9:40 am

2 stops20h 03m

Buenos Aires Ministro Pistarini

Wed 6/17

1:10 pm-2:02 pm

2 stops25h 52m

$697

Quickest round-trip

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Thu 9/3

1:00 pm-9:45 am

1 stop19h 45m

Buenos Aires Ministro Pistarini

Tue 9/15

1:35 am-2:15 pm

1 stop13h 40m

$700

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Tue 6/9

2:21 am-2:30 am

1 stop23h 09m

Buenos Aires Ministro Pistarini

Wed 6/17

9:02 am-12:33 am

1 stop16h 31m

$704

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Fri 6/5

6:25 am-4:30 am

1 stop21h 05m

Buenos Aires Ministro Pistarini

Sat 6/13

9:02 am-4:21 am

1 stop20h 19m

$709

Washington, D.C.Buenos Aires

IAD - AEP

IADAEP

Washington, D.C. Dulles Intl

Wed 5/27

12:40 pm-7:40 am

2 stops18h 00m

Buenos Aires Jorge Newbery

Mon 6/1

8:05 pm-11:42 am

2 stops16h 37m

$721

Washington, D.C.Buenos Aires

IAD - AEP

IADAEP

Washington, D.C. Dulles Intl

Sat 11/7

2:35 pm-5:40 am

1 stop13h 05m

Buenos Aires Jorge Newbery

Mon 11/16

7:00 am-1:40 am

2 stops20h 40m

$738

Washington, D.C.Buenos Aires

IAD - AEP

IADAEP

Washington, D.C. Dulles Intl

Sun 11/1

2:35 pm-5:40 am

1 stop13h 05m

Buenos Aires Jorge Newbery

Sat 11/14

7:00 am-4:25 am

1 stop23h 25m

$747

Washington, D.C.Cordoba

IAD - COR

IADCOR

Washington, D.C. Dulles Intl

Tue 6/9

12:29 pm-12:49 pm

2 stops23h 20m

Cordoba Pajas Blancas

Wed 6/24

7:45 am-12:44 am

2 stops17h 59m

$801

Washington, D.C.San Carlos de Bariloche

IAD - BRC

IADBRC

Washington, D.C. Dulles Intl

Mon 9/14

3:35 pm-4:23 pm

2 stops23h 48m

San Carlos de Bariloche Teniente Luis Candelaria

Mon 9/21

7:43 pm-5:20 am

2 stops34h 37m

$909

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 $765 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 $668 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	12h 29m
Direct flights	None

The fastest flight from Washington, D.C. Dulles Intl Airport to Argentina takes 12h 29m

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 May 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
Avianca	PriceFrom $280	Free Cancellation	Rating 6.5 2,522 reviews	Search Avianca flights
Delta	PriceFrom $342	Free Cancellation	Rating 7.9 8,453 reviews	Search Delta flights
Copa Airlines	PriceFrom $390	Free Cancellation	Rating 7.5 1,585 reviews	Search Copa Airlines flights
United Airlines	PriceFrom $620	Free Cancellation	Rating 7.4 9,700 reviews	Search United Airlines flights
LATAM Airlines	PriceFrom $635	Free Cancellation	Rating 7.4 1,921 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.

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Complete your trip

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Popular cities in Argentina

Flights to Buenos Airesfrom $560

Flights to Cordobafrom $553

Flights to Mendozafrom $713

Flights to Puerto Iguazúfrom $1,285

Flights to El Calafatefrom $1,046

Flights to Ushuaiafrom $1,128

Flights to San Carlos de Barilochefrom $909

Flights to Saltafrom $1,091

Flights to San Miguel de Tucumánfrom $908

Flights to Rosariofrom $796

Flights to Mar del Platafrom $1,248

Flights to Jujuyfrom $2,331

Cheap flights from Washington, D.C. Dulles Intl Airport to Argentina from $287

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Big names and deals

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

Cheap round-trip flights

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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

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

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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

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

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

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According to popular flight searches on momondo this year