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Cheap flights from Washington, D.C. Dulles Intl Airport to Buenos Aires from $315

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 7/26. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

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.
LATAM Airlines Logo
12:29 pm - 9:40 am
IAD
-
EZE
20h 11m
2 stops
LATAM Airlines Logo
8:10 pm - 6:30 pm
EZE
-
IAD
23h 20m
1 stop
$646LATAM Airlines
Thu, Jul 2 - Sun, Jul 12
Copa Airlines Logo
4:26 pm - 10:27 pm
IAD
-
EZE
29h 01m
1 stop
Copa Airlines Logo
2:49 pm - 4:21 am
EZE
-
IAD
14h 32m
1 stop
$655Copa Airlines
Wed, Jul 8 - Thu, Jul 16
LATAM Airlines Logo
4:00 pm - 9:40 am
IAD
-
EZE
16h 40m
2 stops
LATAM Airlines Logo
1:10 pm - 11:59 am
EZE
-
IAD
23h 49m
2 stops
$659LATAM Airlines
Wed, Oct 7 - Wed, Oct 14
American Airlines Logo
1:08 pm - 8:50 am
IAD
-
EZE
18h 42m
2 stops
American Airlines Logo
10:35 pm - 6:37 pm
EZE
-
IAD
21h 02m
2 stops
$661American Airlines
Tue, Jul 7 - Mon, Jul 13
Multiple Airlines Logo
12:57 pm - 8:00 am
IAD
-
EZE
18h 03m
1 stop
Multiple Airlines Logo
9:00 pm - 6:59 pm
EZE
-
IAD
22h 59m
1 stop
$666Multiple Airlines
Tue, Aug 18 - Thu, Sep 3
United Airlines Logo
6:30 am - 8:00 am
IAD
-
EZE
24h 30m
1 stop
United Airlines Logo
9:00 pm - 11:28 am
EZE
-
IAD
15h 28m
1 stop
$667United Airlines
Wed, Jul 1 - Thu, Jul 9
Delta Logo
12:29 pm - 9:40 am
IAD
-
EZE
20h 11m
2 stops
Delta Logo
8:10 pm - 12:55 pm
EZE
-
IAD
17h 45m
1 stop
$671Delta
Thu, Jul 2 - Fri, Jul 10
Delta Logo
12:39 pm - 9:45 am
IAD
-
EZE
20h 06m
1 stop
Delta Logo
8:10 pm - 12:44 am
EZE
-
IAD
29h 34m
1 stop
$672Delta
Thu, Jul 2 - Sun, Jul 5
LATAM Airlines Logo
5:51 pm - 9:45 am
IAD
-
EZE
14h 54m
1 stop
LATAM Airlines Logo
8:10 pm - 7:58 pm
EZE
-
IAD
24h 48m
1 stop
$674LATAM Airlines
Sun, Jun 21 - Fri, Jun 26
Multiple Airlines Logo
10:29 pm - 8:00 am
IAD
-
EZE
32h 31m
1 stop
Multiple Airlines Logo
9:00 pm - 11:28 am
EZE
-
IAD
15h 28m
1 stop
$675Multiple Airlines
Sat, Sep 5 - Thu, Sep 17

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

Our best American Airlines deals on Washington, D.C. Dulles Intl Airport to Buenos Aires Ministro Pistarini Airport flight tickets
American Airlines
Jul 7
IAD1:08 pmWashington, D.C. Dulles Intl
18h 42m
2 stops
EZE8:50 amBuenos Aires Ministro Pistarini
Jul 13
EZE10:35 pmBuenos Aires Ministro Pistarini
21h 02m
2 stops
IAD6:37 pmWashington, D.C. Dulles Intl
$661
American Airlines
Jun 15
IAD6:19 amWashington, D.C. Dulles Intl
23h 46m
1 stop
EZE7:05 amBuenos Aires Ministro Pistarini
Jun 28
EZE9:05 pmBuenos Aires Ministro Pistarini
23h 28m
2 stops
IAD7:33 pmWashington, D.C. Dulles Intl
$685
American Airlines
Jun 9
IAD9:20 amWashington, D.C. Dulles Intl
20h 45m
2 stops
EZE7:05 amBuenos Aires Ministro Pistarini
Jun 23
EZE10:35 pmBuenos Aires Ministro Pistarini
20h 59m
2 stops
IAD6:34 pmWashington, D.C. Dulles Intl
$699

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

Our best United Airlines deals on Washington, D.C. Dulles Intl Airport to Buenos Aires Ministro Pistarini Airport flight tickets
United Airlines
Jul 1
IAD6:30 amWashington, D.C. Dulles Intl
24h 30m
1 stop
EZE8:00 amBuenos Aires Ministro Pistarini
Jul 9
EZE9:00 pmBuenos Aires Ministro Pistarini
15h 28m
1 stop
IAD11:28 amWashington, D.C. Dulles Intl
$667
United Airlines
Jun 16
IAD10:20 pmWashington, D.C. Dulles Intl
32h 40m
1 stop
EZE8:00 amBuenos Aires Ministro Pistarini
Jun 21
EZE9:00 pmBuenos Aires Ministro Pistarini
28h 31m
1 stop
IAD12:31 amWashington, D.C. Dulles Intl
$672
United Airlines
Jun 30
IAD10:20 pmWashington, D.C. Dulles Intl
32h 40m
1 stop
EZE8:00 amBuenos Aires Ministro Pistarini
Jul 9
EZE9:00 pmBuenos Aires Ministro Pistarini
15h 28m
1 stop
IAD11:28 amWashington, D.C. Dulles Intl
$676

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 June 8, 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

Thu 7/2

12:29 pm-9:40 am

2 stops20h 11m

Buenos Aires Ministro Pistarini

Sun 7/12

8:10 pm-6:30 pm

1 stop23h 20m

$646

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Wed 7/8

4:26 pm-10:27 pm

1 stop29h 01m

Buenos Aires Ministro Pistarini

Thu 7/16

2:49 pm-4:21 am

1 stop14h 32m

$655

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Wed 10/7

4:00 pm-9:40 am

2 stops16h 40m

Buenos Aires Ministro Pistarini

Wed 10/14

1:10 pm-11:59 am

2 stops23h 49m

$659

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Tue 7/7

1:08 pm-8:50 am

2 stops18h 42m

Buenos Aires Ministro Pistarini

Mon 7/13

10:35 pm-6:37 pm

2 stops21h 02m

$661

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Tue 8/18

12:57 pm-8:00 am

1 stop18h 03m

Buenos Aires Ministro Pistarini

Thu 9/3

9:00 pm-6:59 pm

1 stop22h 59m

$666

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Wed 7/1

6:30 am-8:00 am

1 stop24h 30m

Buenos Aires Ministro Pistarini

Thu 7/9

9:00 pm-11:28 am

1 stop15h 28m

$667
Quickest round-trip

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Thu 7/2

12:29 pm-9:40 am

2 stops20h 11m

Buenos Aires Ministro Pistarini

Fri 7/10

8:10 pm-12:55 pm

1 stop17h 45m

$671

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Thu 7/2

12:39 pm-9:45 am

1 stop20h 06m

Buenos Aires Ministro Pistarini

Sun 7/5

8:10 pm-12:44 am

1 stop29h 34m

$672

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Sun 6/21

5:51 pm-9:45 am

1 stop14h 54m

Buenos Aires Ministro Pistarini

Fri 6/26

8:10 pm-7:58 pm

1 stop24h 48m

$674

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Sat 9/5

10:29 pm-8:00 am

1 stop32h 31m

Buenos Aires Ministro Pistarini

Thu 9/17

9:00 pm-11:28 am

1 stop15h 28m

$675

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest 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 August instead. Flights to Buenos Aires Ministro Pistarini Airport in August, while not as cheap as those in November, still average around $674.

How far in advance should I book a flight from Washington, D.C. Dulles Intl Airport 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 $763 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 $668 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 6% 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 23m

Direct flights

None
The fastest flight from Washington, D.C. Dulles Intl Airport to Buenos Aires Ministro Pistarini Airport takes 14h 23m
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 23m, 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
8,395 reviews
Search Delta flights
Copa AirlinesPriceFrom $355Free CancellationRating
7.5
1,568 reviews
Search Copa Airlines flights
AviancaPriceFrom $536Free CancellationRating
6.5
2,531 reviews
Search Avianca flights
United AirlinesPriceFrom $620Free CancellationRating
7.4
9,783 reviews
Search United Airlines flights
LATAM AirlinesPriceFrom $635Free CancellationRating
7.4
1,925 reviews
Search LATAM Airlines flights

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Washington, D.C. to Buenos Aires. Millions of users trust and use momondo every year so you are in good hands.

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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