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Cheap flights from Washington, D.C. Dulles Intl Airport to Buenos Aires from $305

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 Buenos Aires departing on 4/27. 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 Buenos Aires

Cheap round-trip flights

Enter your travel dates to find the best prices.
Copa Airlines Logo
2:21 am - 2:30 am
IAD
-
EZE
23h 09m
1 stop
Copa Airlines Logo
5:25 am - 4:21 am
EZE
-
IAD
23h 56m
1 stop
$589Copa Airlines
Sun, May 10 - Thu, May 28
United Airlines Logo
10:20 pm - 8:00 am
IAD
-
EZE
32h 40m
1 stop
United Airlines Logo
9:00 pm - 10:43 pm
EZE
-
IAD
26h 43m
1 stop
$590United Airlines
Tue, May 5 - Tue, May 26
United Airlines Logo
6:00 am - 8:00 am
IAD
-
EZE
25h 00m
1 stop
United Airlines Logo
9:00 pm - 6:50 pm
EZE
-
IAD
22h 50m
1 stop
$591United Airlines
Tue, May 5 - Tue, May 26
United Airlines Logo
8:30 am - 8:00 am
IAD
-
EZE
22h 30m
1 stop
United Airlines Logo
9:00 pm - 10:43 pm
EZE
-
IAD
26h 43m
1 stop
$593United Airlines
Tue, May 5 - Tue, May 26
United Airlines Logo
2:53 pm - 8:00 am
IAD
-
EZE
16h 07m
1 stop
United Airlines Logo
9:00 pm - 6:50 pm
EZE
-
IAD
22h 50m
1 stop
$601United Airlines
Sat, May 23 - Tue, Jun 9
American Airlines Logo
7:00 am - 6:10 am
IAD
-
EZE
22h 10m
2 stops
American Airlines Logo
8:35 pm - 7:33 pm
EZE
-
IAD
23h 58m
2 stops
$603American Airlines
Tue, May 5 - Tue, May 26
American Airlines Logo
10:32 am - 6:10 am
IAD
-
EZE
18h 38m
2 stops
American Airlines Logo
8:35 pm - 12:36 pm
EZE
-
IAD
17h 01m
2 stops
$604American Airlines
Tue, May 5 - Tue, May 26
American Airlines Logo
11:59 am - 7:05 am
IAD
-
EZE
18h 06m
1 stop
American Airlines Logo
8:35 pm - 7:33 pm
EZE
-
IAD
23h 58m
2 stops
$605American Airlines
Fri, Jun 12 - Tue, Jun 16
American Airlines Logo
7:16 am - 6:10 am
IAD
-
EZE
21h 54m
2 stops
American Airlines Logo
10:35 pm - 6:34 pm
EZE
-
IAD
20h 59m
2 stops
$606American Airlines
Tue, May 5 - Tue, May 26
United Airlines Logo
10:20 pm - 8:00 am
IAD
-
EZE
32h 40m
1 stop
United Airlines Logo
9:00 pm - 6:50 pm
EZE
-
IAD
22h 50m
1 stop
$609United Airlines
Fri, May 22 - Mon, Jun 8

Copa Airlines flights from Washington, D.C. Dulles Intl Airport to Buenos Aires Ministro Pistarini Airport

Our best Copa Airlines deals on Washington, D.C. Dulles Intl Airport to Buenos Aires Ministro Pistarini Airport flight tickets
Copa Airlines
May 10
IAD2:21 amWashington, D.C. Dulles Intl
23h 09m
1 stop
EZE2:30 amBuenos Aires Ministro Pistarini
May 28
EZE5:25 amBuenos Aires Ministro Pistarini
23h 56m
1 stop
IAD4:21 amWashington, D.C. Dulles Intl
$589
Copa Airlines
Jun 12
IAD6:25 amWashington, D.C. Dulles Intl
20h 50m
1 stop
EZE4:15 amBuenos Aires Ministro Pistarini
Jun 16
EZE9:02 amBuenos Aires Ministro Pistarini
16h 31m
1 stop
IAD12:33 amWashington, D.C. Dulles Intl
$612
Copa Airlines
Apr 21
IAD4:33 pmWashington, D.C. Dulles Intl
28h 52m
1 stop
EZE10:25 pmBuenos Aires Ministro Pistarini
Apr 27
EZE9:11 amBuenos Aires Ministro Pistarini
16h 23m
1 stop
IAD12:34 amWashington, D.C. Dulles Intl
$622

LATAM Airlines flights from Washington, D.C. Dulles Intl Airport to Buenos Aires Ministro Pistarini Airport

Our best LATAM Airlines deals on Washington, D.C. Dulles Intl Airport to Buenos Aires Ministro Pistarini Airport flight tickets
LATAM Airlines
Aug 16
IAD5:30 pmWashington, D.C. Dulles Intl
14h 50m
2 stops
EZE9:20 amBuenos Aires Ministro Pistarini
Aug 23
EZE1:10 pmBuenos Aires Ministro Pistarini
23h 49m
2 stops
IAD11:59 amWashington, D.C. Dulles Intl
$658
LATAM Airlines
Jun 2
IAD1:32 pmWashington, D.C. Dulles Intl
20h 58m
2 stops
EZE11:30 amBuenos Aires Ministro Pistarini
Jun 9
EZE8:30 pmBuenos Aires Ministro Pistarini
23h 48m
2 stops
IAD7:18 pmWashington, D.C. Dulles Intl
$668
LATAM Airlines
Jun 12
IAD12:29 pmWashington, D.C. Dulles Intl
22h 01m
2 stops
EZE11:30 amBuenos Aires Ministro Pistarini
Jun 16
EZE8:30 pmBuenos Aires Ministro Pistarini
23h 48m
2 stops
IAD7:18 pmWashington, D.C. Dulles Intl
$679

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. Dulles Intl Airport to Buenos Aires Ministro Pistarini Airport 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 April 21, 2026.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Buenos Aires Ministro Pistarini Airport 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

Sun 5/10

2:21 am-2:30 am

1 stop23h 09m

Buenos Aires Ministro Pistarini

Thu 5/28

5:25 am-4:21 am

1 stop23h 56m

$589

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Tue 5/5

10:20 pm-8:00 am

1 stop32h 40m

Buenos Aires Ministro Pistarini

Tue 5/26

9:00 pm-10:43 pm

1 stop26h 43m

$590

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Tue 5/5

6:00 am-8:00 am

1 stop25h 00m

Buenos Aires Ministro Pistarini

Tue 5/26

9:00 pm-6:50 pm

1 stop22h 50m

$591

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Tue 5/5

8:30 am-8:00 am

1 stop22h 30m

Buenos Aires Ministro Pistarini

Tue 5/26

9:00 pm-10:43 pm

1 stop26h 43m

$593

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Sat 5/23

2:53 pm-8:00 am

1 stop16h 07m

Buenos Aires Ministro Pistarini

Tue 6/9

9:00 pm-6:50 pm

1 stop22h 50m

$601

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Tue 5/5

7:00 am-6:10 am

2 stops22h 10m

Buenos Aires Ministro Pistarini

Tue 5/26

8:35 pm-7:33 pm

2 stops23h 58m

$603
Quickest round-trip

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Tue 5/5

10:32 am-6:10 am

2 stops18h 38m

Buenos Aires Ministro Pistarini

Tue 5/26

8:35 pm-12:36 pm

2 stops17h 01m

$604

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Fri 6/12

11:59 am-7:05 am

1 stop18h 06m

Buenos Aires Ministro Pistarini

Tue 6/16

8:35 pm-7:33 pm

2 stops23h 58m

$605

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Tue 5/5

7:16 am-6:10 am

2 stops21h 54m

Buenos Aires Ministro Pistarini

Tue 5/26

10:35 pm-6:34 pm

2 stops20h 59m

$606

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Fri 5/22

10:20 pm-8:00 am

1 stop32h 40m

Buenos Aires Ministro Pistarini

Mon 6/8

9:00 pm-6:50 pm

1 stop22h 50m

$609

Flights are sorted by cheapest round-trip flights first.

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How to get the cheapest flight ticket from Washington, D.C. Dulles Intl Airport to Buenos Aires Ministro Pistarini Airport

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 typical price of a round-trip flight between Washington, D.C. Dulles Intl Airport and Buenos Aires Ministro Pistarini Airport?

What is the cheapest month to fly to Buenos Aires Ministro Pistarini Airport?

If you aren’t able to travel during the month of November, then book flights to Buenos Aires Ministro Pistarini Airport from Washington, D.C. Dulles Intl Airport during September instead. Flights to Buenos Aires Ministro Pistarini Airport in September, while not as cheap as those in November, still average around $697.

How far in advance should I book a flight to Buenos Aires Ministro Pistarini Airport?

You are more likely to see cheaper flights to Buenos Aires Ministro Pistarini Airport from Washington, D.C. Dulles Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Buenos Aires Ministro Pistarini Airport for around $777 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Buenos Aires Ministro Pistarini Airport from Washington, D.C. Dulles Intl Airport for as low as $628 on momondo.

Can stopping save me money on Washington, D.C. Dulles Intl Airport to Buenos Aires Ministro Pistarini Airport flights?

You could potentially save up to 16% on your flight if you consider stops on a Washington, D.C. Dulles Intl Airport to Buenos Aires Ministro Pistarini Airport flight.

How have Washington, D.C. Dulles Intl Airport to Buenos Aires Ministro Pistarini Airport flight prices changed over time?

When to book flights from Washington, D.C. Dulles Intl Airport to Buenos Aires Ministro Pistarini Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. Dulles Intl Airport to Buenos Aires Ministro Pistarini Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Washington, D.C. Dulles Intl Airport to Buenos Aires Ministro Pistarini Airport (IAD to EZE) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. Dulles Intl Airport to Buenos Aires Ministro Pistarini Airport

Fastest flight time

14h 17m

Direct flights

None
The fastest flight from Washington, D.C. Dulles Intl Airport to Buenos Aires Ministro Pistarini Airport takes 14h 17m
There are no direct flights from Washington, D.C. Dulles Intl Airport to Buenos Aires Ministro Pistarini Airport. There are no popular flight routes from Washington, D.C. Dulles Intl Airport to Buenos Aires Ministro Pistarini Airport.
Search flight deals

Frequently asked questions about flying from Washington, D.C. Dulles Intl Airport to Buenos Aires Ministro Pistarini Airport

  • How far is Washington, D.C. Dulles Intl to Buenos Aires Ministro Pistarini by plane?

    The straight-line distance from Washington, D.C. Dulles Intl to Buenos Aires Ministro Pistarini is 5234.8 mi. Flights usually cover this in 14h 17m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Washington, D.C. Dulles Intl Airport to Buenos Aires Ministro Pistarini Airport?

    Prices for flights from Washington, D.C. Dulles Intl Airport to Buenos Aires Ministro Pistarini Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Washington, D.C. Dulles Intl Airport to Buenos Aires Ministro Pistarini Airport?

  • How old do you have to be to fly from Washington, D.C. Dulles Intl Airport to Buenos Aires Ministro Pistarini Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. Dulles Intl Airport to Buenos Aires Ministro Pistarini Airport.

  • What documentation or ID do you need to fly to Buenos Aires Ministro Pistarini Airport?

    The travel and health documents you'll need for your trip to Buenos Aires Ministro Pistarini Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Buenos Aires Ministro Pistarini Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Washington, D.C. Dulles Intl Airport to Buenos Aires Ministro Pistarini Airport?

Best airlines flying from Washington, D.C. Dulles Intl Airport to Buenos Aires Ministro Pistarini Airport

Compare and see reviews for airlines that fly from Washington, D.C. Dulles Intl Airport to Buenos Aires Ministro Pistarini Airport with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $274Free CancellationRating
7.9
8,430 reviews
Search Delta flights
Copa AirlinesPriceFrom $355Free CancellationRating
7.5
1,580 reviews
Search Copa Airlines flights
AviancaPriceFrom $536Free CancellationRating
6.5
2,513 reviews
Search Avianca flights
United AirlinesPriceFrom $620Free CancellationRating
7.4
9,611 reviews
Search United Airlines flights
LATAM AirlinesPriceFrom $635Free CancellationRating
7.4
1,910 reviews
Search LATAM Airlines flights

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

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

Yes. momondo enables you to select and highlight flights to Buenos Aires from Washington, D.C. with this policy.

How can momondo help me find flights from Washington, D.C. to Buenos Aires?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Buenos Aires from Washington, D.C..

I’m not ready to book a flight from Washington, D.C. to Buenos Aires right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Washington, D.C. to Buenos Aires flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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