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

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. Dulles Intl Airport to Argentina departing on 11/26. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Washington, D.C. Dulles Intl Airport to Argentina

Cheap round-trip flights

Enter your travel dates to find the best prices.
Avianca Logo
4:00 am - 5:50 amIAD-EZE
24h 50m2 stops
Avianca Logo
1:40 am - 3:10 amEZE-IAD
27h 30m2 stops
$589Avianca
Find Deal
Tue, Oct 28 - Thu, Nov 6
Avianca Logo
5:30 am - 5:50 amIAD-EZE
23h 20m2 stops
Avianca Logo
4:55 pm - 1:15 pmEZE-IAD
22h 20m1 stop
$590Avianca
Find Deal
Tue, Oct 28 - Fri, Nov 7
Copa Airlines Logo
2:25 am - 12:34 amIAD-EZE
21h 09m1 stop
Copa Airlines Logo
3:57 am - 12:33 amEZE-IAD
21h 36m1 stop
$597Copa Airlines
Find Deal
Sun, Oct 19 - Thu, Oct 30
Copa Airlines Logo
2:25 am - 1:00 amIAD-EZE
21h 35m1 stop
Copa Airlines Logo
2:34 pm - 3:22 amEZE-IAD
14h 48m1 stop
$612Copa Airlines
Find Deal
Tue, Oct 28 - Wed, Nov 5
United Airlines Logo
12:55 pm - 6:20 amIAD-EZE
16h 25m1 stop
United Airlines Logo
10:05 pm - 11:28 amEZE-IAD
15h 23m1 stop
$633United Airlines
Find Deal
Thu, Oct 30 - Thu, Nov 6
Delta Logo
10:05 am - 6:20 amIAD-EZE
18h 15m2 stops
Delta Logo
10:25 pm - 11:39 amEZE-IAD
15h 14m1 stop
$639Delta
Find Deal
Tue, Nov 18 - Thu, Dec 4
LATAM Airlines Logo
5:59 pm - 4:00 pmIAD-AEP
20h 01m2 stops
LATAM Airlines Logo
5:15 pm - 11:35 amAEP-IAD
20h 20m2 stops
$639LATAM Airlines
Find Deal
Wed, Nov 26 - Mon, Dec 8
LATAM Airlines Logo
7:05 am - 4:20 amIAD-COR
20h 15m2 stops
LATAM Airlines Logo
7:55 am - 11:19 pmCOR-IAD
17h 24m2 stops
$639LATAM Airlines
Find Deal
Fri, Oct 17 - Mon, Nov 3
Delta Logo
12:36 pm - 9:00 amIAD-EZE
18h 24m1 stop
Delta Logo
10:25 pm - 11:39 amEZE-IAD
15h 14m1 stop
$640Delta
Find Deal
Tue, Nov 18 - Tue, Dec 2
United Airlines Logo
10:10 pm - 7:20 amIAD-EZE
31h 10m1 stop
United Airlines Logo
10:05 pm - 11:23 amEZE-IAD
15h 18m1 stop
$648United Airlines
Find Deal
Sat, Nov 22 - Wed, Dec 3

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
Nov 18
IAD10:05 amWashington, D.C. Dulles Intl
18h 15m
2 stops
EZE6:20 amBuenos Aires Ministro Pistarini
Dec 4
EZE10:25 pmBuenos Aires Ministro Pistarini
15h 14m
1 stop
IAD11:39 amWashington, D.C. Dulles Intl
Delta
Nov 18
IAD12:36 pmWashington, D.C. Dulles Intl
18h 24m
1 stop
EZE9:00 amBuenos Aires Ministro Pistarini
Dec 2
EZE10:25 pmBuenos Aires Ministro Pistarini
15h 14m
1 stop
IAD11:39 amWashington, D.C. Dulles Intl
Delta
Oct 14
IAD7:05 amWashington, D.C. Dulles Intl
25h 40m
1 stop
EZE9:45 amBuenos Aires Ministro Pistarini
Nov 1
EZE8:55 pmBuenos Aires Ministro Pistarini
23h 44m
1 stop
IAD7:39 pmWashington, D.C. Dulles Intl

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
Oct 30
IAD12:55 pmWashington, D.C. Dulles Intl
16h 25m
1 stop
EZE6:20 amBuenos Aires Ministro Pistarini
Nov 6
EZE10:05 pmBuenos Aires Ministro Pistarini
15h 23m
1 stop
IAD11:28 amWashington, D.C. Dulles Intl
United Airlines
Oct 9
IAD8:30 amWashington, D.C. Dulles Intl
22h 30m
1 stop
EZE8:00 amBuenos Aires Ministro Pistarini
Oct 27
EZE9:05 pmBuenos Aires Ministro Pistarini
15h 23m
1 stop
IAD11:28 amWashington, D.C. Dulles Intl
United Airlines
Nov 22
IAD10:10 pmWashington, D.C. Dulles Intl
31h 10m
1 stop
EZE7:20 amBuenos Aires Ministro Pistarini
Dec 3
EZE10:05 pmBuenos Aires Ministro Pistarini
15h 18m
1 stop
IAD11:23 amWashington, D.C. Dulles Intl

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. Dulles Intl Airport to Argentina that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated October 2, 2025.
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

Tue 10/28

4:00 am-5:50 am

2 stops24h 50m

Buenos Aires Ministro Pistarini

Thu 11/6

1:40 am-3:10 am

2 stops27h 30m

$589

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Tue 10/28

5:30 am-5:50 am

2 stops23h 20m

Buenos Aires Ministro Pistarini

Fri 11/7

4:55 pm-1:15 pm

1 stop22h 20m

$590

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Sun 10/19

2:25 am-12:34 am

1 stop21h 09m

Buenos Aires Ministro Pistarini

Thu 10/30

3:57 am-12:33 am

1 stop21h 36m

$597

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Tue 10/28

2:25 am-1:00 am

1 stop21h 35m

Buenos Aires Ministro Pistarini

Wed 11/5

2:34 pm-3:22 am

1 stop14h 48m

$612

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Thu 10/30

12:55 pm-6:20 am

1 stop16h 25m

Buenos Aires Ministro Pistarini

Thu 11/6

10:05 pm-11:28 am

1 stop15h 23m

$633

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Tue 11/18

10:05 am-6:20 am

2 stops18h 15m

Buenos Aires Ministro Pistarini

Thu 12/4

10:25 pm-11:39 am

1 stop15h 14m

$639

Washington, D.C.Buenos Aires

IAD - AEP

IADAEP

Washington, D.C. Dulles Intl

Wed 11/26

5:59 pm-4:00 pm

2 stops20h 01m

Buenos Aires Jorge Newbery

Mon 12/8

5:15 pm-11:35 am

2 stops20h 20m

$639

Washington, D.C.Cordoba

IAD - COR

IADCOR

Washington, D.C. Dulles Intl

Fri 10/17

7:05 am-4:20 am

2 stops20h 15m

Cordoba Pajas Blancas

Mon 11/3

7:55 am-11:19 pm

2 stops17h 24m

$639

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Tue 11/18

12:36 pm-9:00 am

1 stop18h 24m

Buenos Aires Ministro Pistarini

Tue 12/2

10:25 pm-11:39 am

1 stop15h 14m

$640

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Sat 11/22

10:10 pm-7:20 am

1 stop31h 10m

Buenos Aires Ministro Pistarini

Wed 12/3

10:05 pm-11:23 am

1 stop15h 18m

$648

Flights are sorted by cheapest round-trip flights first.

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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 September, then departing from Washington, D.C. Dulles Intl Airport during the month August is also very affordable. Most momondo users find prices during this month for around $677.

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 $906 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 $813 on momondo.

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

You could potentially save up to 1% 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

Direct flights

None
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.
  • 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?

  • 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
DeltaPriceFrom $514Free CancellationRating
7.9
7,962 reviews
Search Delta flights
AviancaPriceFrom $600Free CancellationRating
6.7
2,443 reviews
Search Avianca flights
Copa AirlinesPriceFrom $617Free CancellationRating
7.6
1,542 reviews
Search Copa Airlines flights
United AirlinesPriceFrom $629Free CancellationRating
7.4
8,933 reviews
Search United Airlines flights
LATAM AirlinesPriceFrom $669Free CancellationRating
7.5
1,858 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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Sat 11/1
Sat 11/8

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