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Cheap flights from Washington, D.C. to Buenos Aires from $272

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. to Buenos Aires departing on 11/4. 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. to Buenos Aires

Cheap round-trip flights

Enter your travel dates to find the best prices.
Avianca Logo
5:45 am - 5:45 amIAD-EZE
23h 00m2 stops
Avianca Logo
7:35 am - 5:25 amEZE-IAD
22h 50m1 stop
$596Avianca
Find Deal
Tue, Oct 21 - Tue, Oct 28
Avianca Logo
4:05 am - 5:45 amIAD-EZE
24h 40m2 stops
Avianca Logo
7:35 am - 2:40 amEZE-IAD
20h 05m2 stops
$597Avianca
Find Deal
Tue, Oct 21 - Tue, Oct 28
Copa Airlines Logo
1:13 am - 1:00 amIAD-EZE
21h 47m1 stop
Copa Airlines Logo
10:01 am - 11:33 pmEZE-IAD
15h 32m1 stop
$628Copa Airlines
Find Deal
Wed, Nov 19 - Fri, Nov 28
Delta Logo
12:39 pm - 9:00 amDCA-EZE
18h 21m1 stop
Delta Logo
8:55 pm - 9:10 amEZE-DCA
14h 15m1 stop
$629Delta
Find Deal
Mon, Nov 24 - Wed, Dec 3
United Airlines Logo
8:30 am - 7:20 amIAD-EZE
20h 50m1 stop
United Airlines Logo
11:55 pm - 10:12 pmEZE-IAD
24h 17m1 stop
$631United Airlines
Find Deal
Tue, Nov 4 - Tue, Nov 11
Delta Logo
1:51 pm - 9:00 amBWI-EZE
17h 09m1 stop
Delta Logo
8:55 pm - 9:18 amEZE-BWI
14h 23m1 stop
$635Delta
Find Deal
Mon, Nov 24 - Wed, Dec 3
United Airlines Logo
12:55 pm - 7:20 amIAD-EZE
16h 25m1 stop
United Airlines Logo
10:05 pm - 11:23 amEZE-IAD
15h 18m1 stop
$640United Airlines
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Tue, Nov 18 - Thu, Dec 4
American Airlines Logo
3:06 pm - 9:39 amBWI-EZE
17h 33m2 stops
American Airlines Logo
11:20 pm - 1:51 pmEZE-BWI
16h 31m2 stops
$644American Airlines
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Wed, Oct 29 - Sun, Nov 9
Copa Airlines Logo
1:13 am - 1:00 amIAD-EZE
21h 47m1 stop
Copa Airlines Logo
12:08 am - 2:02 pmEZE-IAD
15h 54m1 stop
$648Copa Airlines
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Mon, Nov 3 - Mon, Nov 10
American Airlines Logo
9:50 am - 10:10 amDCA-EZE
22h 20m1 stop
American Airlines Logo
11:59 pm - 2:24 pmEZE-DCA
16h 25m2 stops
$694American Airlines
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Tue, Nov 11 - Wed, Nov 19

Avianca flights from Washington, D.C. to Buenos Aires Ministro Pistarini Airport

Our best Avianca deals on Washington, D.C. to Buenos Aires Ministro Pistarini Airport flight tickets
Avianca
Oct 21
IAD5:45 amWashington, D.C. Dulles Intl
23h 00m
2 stops
EZE5:45 amBuenos Aires Ministro Pistarini
Oct 28
EZE7:35 amBuenos Aires Ministro Pistarini
22h 50m
1 stop
IAD5:25 amWashington, D.C. Dulles Intl
$596
Find similar
Avianca
Oct 21
IAD4:05 amWashington, D.C. Dulles Intl
24h 40m
2 stops
EZE5:45 amBuenos Aires Ministro Pistarini
Oct 28
EZE7:35 amBuenos Aires Ministro Pistarini
20h 05m
2 stops
IAD2:40 amWashington, D.C. Dulles Intl
$597
Find similar
Avianca
Oct 21
IAD5:45 amWashington, D.C. Dulles Intl
23h 00m
2 stops
EZE5:45 amBuenos Aires Ministro Pistarini
Nov 17
EZE4:55 pmBuenos Aires Ministro Pistarini
22h 20m
1 stop
IAD1:15 pmWashington, D.C. Dulles Intl
$612
Find similar

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

Our best American Airlines deals on Washington, D.C. to Buenos Aires Ministro Pistarini Airport flight tickets
American Airlines
Oct 29
BWI3:06 pmBaltimore/Washington
17h 33m
2 stops
EZE9:39 amBuenos Aires Ministro Pistarini
Nov 9
EZE11:20 pmBuenos Aires Ministro Pistarini
16h 31m
2 stops
BWI1:51 pmBaltimore/Washington
$644
Find similar
American Airlines
Nov 11
DCA9:50 amWashington, D.C. Reagan-National
22h 20m
1 stop
EZE10:10 amBuenos Aires Ministro Pistarini
Nov 19
EZE11:59 pmBuenos Aires Ministro Pistarini
16h 25m
2 stops
DCA2:24 pmWashington, D.C. Reagan-National
$694
Find similar
American Airlines
Nov 10
BWI3:23 pmBaltimore/Washington
14h 47m
1 stop
EZE8:10 amBuenos Aires Ministro Pistarini
Nov 17
EZE11:59 pmBuenos Aires Ministro Pistarini
18h 49m
1 stop
BWI4:48 pmBaltimore/Washington
$697
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. 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 October 9, 2025.
Use the filters below to find and compare flights from Washington, D.C. to Buenos Aires Ministro Pistarini Airport 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 10/21

5:45 am-5:45 am

2 stops23h 00m

Buenos Aires Ministro Pistarini

Tue 10/28

7:35 am-5:25 am

1 stop22h 50m

$596

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Tue 10/21

4:05 am-5:45 am

2 stops24h 40m

Buenos Aires Ministro Pistarini

Tue 10/28

7:35 am-2:40 am

2 stops20h 05m

$597

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Wed 11/19

1:13 am-1:00 am

1 stop21h 47m

Buenos Aires Ministro Pistarini

Fri 11/28

10:01 am-11:33 pm

1 stop15h 32m

$628

Washington, D.C.Buenos Aires

DCA - EZE

DCAEZE

Washington, D.C. Reagan-National

Mon 11/24

12:39 pm-9:00 am

1 stop18h 21m

Buenos Aires Ministro Pistarini

Wed 12/3

8:55 pm-9:10 am

1 stop14h 15m

$629

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Tue 11/4

8:30 am-7:20 am

1 stop20h 50m

Buenos Aires Ministro Pistarini

Tue 11/11

11:55 pm-10:12 pm

1 stop24h 17m

$631

BaltimoreBuenos Aires

BWI - EZE

BWIEZE

Baltimore/Washington

Mon 11/24

1:51 pm-9:00 am

1 stop17h 09m

Buenos Aires Ministro Pistarini

Wed 12/3

8:55 pm-9:18 am

1 stop14h 23m

$635

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Tue 11/18

12:55 pm-7:20 am

1 stop16h 25m

Buenos Aires Ministro Pistarini

Thu 12/4

10:05 pm-11:23 am

1 stop15h 18m

$640

BaltimoreBuenos Aires

BWI - EZE

BWIEZE

Baltimore/Washington

Wed 10/29

3:06 pm-9:39 am

2 stops17h 33m

Buenos Aires Ministro Pistarini

Sun 11/9

11:20 pm-1:51 pm

2 stops16h 31m

$644

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Mon 11/3

1:13 am-1:00 am

1 stop21h 47m

Buenos Aires Ministro Pistarini

Mon 11/10

12:08 am-2:02 pm

1 stop15h 54m

$648

Washington, D.C.Buenos Aires

DCA - EZE

DCAEZE

Washington, D.C. Reagan-National

Tue 11/11

9:50 am-10:10 am

1 stop22h 20m

Buenos Aires Ministro Pistarini

Wed 11/19

11:59 pm-2:24 pm

2 stops16h 25m

$694

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How to get the cheapest flight ticket from Washington, D.C. 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. 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 September, then book flights to Buenos Aires Ministro Pistarini Airport from Washington, D.C. during October instead. Flights to Buenos Aires Ministro Pistarini Airport in October, while not as cheap as those in September, still average around $777.

What is the cheapest day to depart on your flight to Buenos Aires Ministro Pistarini Airport?

Our data shows that Monday is the least expensive day to fly to Buenos Aires Ministro Pistarini Airport. Tickets to fly out on this day can be as low as $963. Be sure to avoid booking your departure on a Saturday as prices are generally higher than usual. According to our data, the average ticket price to Buenos Aires Ministro Pistarini Airport on Saturday is $1,148.

What is the cheapest time of day to depart on your flight to Buenos Aires Ministro Pistarini Airport?

According to our data, the cheapest time of day to fly to Buenos Aires Ministro Pistarini Airport is in the morning. momondo users have found flights departing from Washington, D.C. to Buenos Aires Ministro Pistarini Airport in the morning for as low as $926. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $1,141 on average. Flights to Buenos Aires Ministro Pistarini Airport from Washington, D.C. at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.

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. when booking weeks ahead of your departure date. In general, you can expect to find flights to Buenos Aires Ministro Pistarini Airport for around $878 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. for as low as $769 on momondo.

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

You could potentially save up to 5% on your flight if you consider stops on a Washington, D.C. to Buenos Aires Ministro Pistarini Airport flight.

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

As of October 2025, prices for Washington, D.C. to Buenos Aires Ministro Pistarini Airport flights are approximately 26% cheaper when compared to flights at the same time last year.

When to book flights from Washington, D.C. 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. 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. to Buenos Aires Ministro Pistarini Airport (WAS to EZE) flight deals and tips

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

Direct flights

None
There are no direct flights from Washington, D.C. to Buenos Aires Ministro Pistarini Airport. There are no popular flight routes from Washington, D.C. to Buenos Aires Ministro Pistarini Airport.
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  • How far is Washington, D.C. to Buenos Aires Ministro Pistarini by plane?

    The straight-line distance from Washington, D.C. to Buenos Aires Ministro Pistarini is 5226.0 mi. Flights usually cover this in 12h 38m, depending on flying conditions and air traffic around both airports.

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

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

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

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. 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. to Buenos Aires Ministro Pistarini Airport?

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

Compare and see reviews for airlines that fly from Washington, D.C. to Buenos Aires Ministro Pistarini Airport with momondo
Airline
Rating
Free Cancellation
Price
LATAM AirlinesPriceFrom $506Free CancellationRating
7.5
1,861 reviews
Search LATAM Airlines flights
DeltaPriceFrom $514Free CancellationRating
7.9
7,970 reviews
Search Delta flights
AviancaPriceFrom $600Free CancellationRating
6.7
2,447 reviews
Search Avianca flights
Copa AirlinesPriceFrom $617Free CancellationRating
7.6
1,545 reviews
Search Copa Airlines flights
United AirlinesPriceFrom $629Free CancellationRating
7.4
8,966 reviews
Search United Airlines flights
American AirlinesPriceFrom $639Free CancellationRating
7.2
11,043 reviews
Search American Airlines flights

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Buenos Aires from Washington, D.C..

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

momondo does allow users to show only those flights to Buenos Aires 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 Buenos Aires?

momondo helps you find the best flight between Washington, D.C. and Buenos Aires by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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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