Cheap flights from Washington, D.C. to Buenos Aires from $214

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 9/5. 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 (WAS-EZE)

Cheap round-trip flights

 Logo
4:49 pm - 8:14 amBWI-EZE
14h 25m1 stop
 Logo
9:15 pm - 9:34 amEZE-BWI
37h 19m2 stops
Sat, Sep 13 - Sat, Nov 1
Copa Airlines Logo
2:25 am - 12:55 amIAD-EZE
21h 30m1 stop
Copa Airlines Logo
10:07 am - 4:20 amEZE-IAD
19h 13m1 stop
$627Copa Airlines
Find Deal
Tue, Oct 7 - Sun, Oct 19
Avianca Logo
5:45 am - 5:50 amIAD-EZE
22h 05m1 stop
Avianca Logo
4:55 pm - 4:25 amEZE-IAD
13h 30m1 stop
$628Avianca
Find Deal
Wed, Nov 5 - Tue, Nov 25
Avianca Logo
5:45 am - 5:50 amIAD-EZE
22h 05m1 stop
Avianca Logo
4:55 pm - 1:15 pmEZE-IAD
22h 20m1 stop
$629Avianca
Find Deal
Mon, Nov 3 - Mon, Nov 10
Delta Logo
10:05 am - 6:20 amIAD-EZE
18h 15m2 stops
Delta Logo
8:55 pm - 11:34 amEZE-IAD
16h 39m1 stop
$639Delta
Find Deal
Tue, Nov 11 - Mon, Nov 17
Delta Logo
6:21 pm - 9:00 amBWI-EZE
12h 39m1 stop
Delta Logo
8:55 pm - 9:22 amEZE-BWI
14h 27m1 stop
$639Delta
Find Deal
Mon, Nov 10 - Thu, Nov 20
American Airlines Logo
8:09 am - 10:15 amIAD-EZE
25h 06m2 stops
American Airlines Logo
11:35 pm - 6:54 pmEZE-IAD
20h 19m2 stops
$644American Airlines
Find Deal
Wed, Oct 8 - Wed, Oct 29
American Airlines Logo
1:30 pm - 7:20 amDCA-EZE
16h 50m2 stops
American Airlines Logo
10:30 pm - 12:54 pmEZE-DCA
15h 24m1 stop
$644American Airlines
Find Deal
Tue, Sep 9 - Thu, Sep 25
United Airlines Logo
10:05 pm - 8:00 amIAD-EZE
32h 55m1 stop
United Airlines Logo
9:00 pm - 4:23 pmEZE-IAD
20h 23m1 stop
$648United Airlines
Find Deal
Sat, Sep 6 - Wed, Sep 24
United Airlines Logo
6:00 am - 9:20 amDCA-EZE
25h 20m1 stop
United Airlines Logo
11:55 pm - 11:44 pmEZE-DCA
25h 49m1 stop
$699United Airlines
Find Deal
Thu, Nov 27 - Mon, Dec 1

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 8
IAD8:09 amWashington, D.C. Dulles Intl
25h 06m
2 stops
EZE10:15 amBuenos Aires Ministro Pistarini
Oct 29
EZE11:35 pmBuenos Aires Ministro Pistarini
20h 19m
2 stops
IAD6:54 pmWashington, D.C. Dulles Intl
American Airlines
Sep 3
BWI6:19 amBaltimore/Washington
24h 01m
1 stop
EZE7:20 amBuenos Aires Ministro Pistarini
Sep 17
EZE10:30 pmBuenos Aires Ministro Pistarini
27h 11m
2 stops
BWI12:41 amBaltimore/Washington
American Airlines
Nov 3
DCA6:59 amWashington, D.C. Reagan-National
22h 01m
1 stop
EZE7:00 amBuenos Aires Ministro Pistarini
Nov 16
EZE11:59 pmBuenos Aires Ministro Pistarini
22h 22m
1 stop
DCA8:21 pmWashington, D.C. Reagan-National

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
Nov 5
IAD5:45 amWashington, D.C. Dulles Intl
22h 05m
1 stop
EZE5:50 amBuenos Aires Ministro Pistarini
Nov 25
EZE4:55 pmBuenos Aires Ministro Pistarini
13h 30m
1 stop
IAD4:25 amWashington, D.C. Dulles Intl
Avianca
Nov 3
IAD5:45 amWashington, D.C. Dulles Intl
22h 05m
1 stop
EZE5:50 amBuenos Aires Ministro Pistarini
Nov 10
EZE4:55 pmBuenos Aires Ministro Pistarini
22h 20m
1 stop
IAD1:15 pmWashington, D.C. Dulles Intl
Avianca
Sep 8
IAD3:20 pmWashington, D.C. Dulles Intl
13h 25m
1 stop
EZE5:45 amBuenos Aires Ministro Pistarini
Dec 5
EZE7:35 amBuenos Aires Ministro Pistarini
20h 05m
2 stops
IAD1:40 amWashington, D.C. Dulles Intl

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 August 27, 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

BaltimoreBuenos Aires

BWI - EZE

BWIEZE

Baltimore/Washington

Sat 9/13

4:49 pm-8:14 am

1 stop14h 25m

Buenos Aires Ministro Pistarini

Sat 11/1

9:15 pm-9:34 am

2 stops37h 19m

$618

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Tue 10/7

2:25 am-12:55 am

1 stop21h 30m

Buenos Aires Ministro Pistarini

Sun 10/19

10:07 am-4:20 am

1 stop19h 13m

$627

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Wed 11/5

5:45 am-5:50 am

1 stop22h 05m

Buenos Aires Ministro Pistarini

Tue 11/25

4:55 pm-4:25 am

1 stop13h 30m

$628

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Mon 11/3

5:45 am-5:50 am

1 stop22h 05m

Buenos Aires Ministro Pistarini

Mon 11/10

4:55 pm-1:15 pm

1 stop22h 20m

$629

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Tue 11/11

10:05 am-6:20 am

2 stops18h 15m

Buenos Aires Ministro Pistarini

Mon 11/17

8:55 pm-11:34 am

1 stop16h 39m

$639

BaltimoreBuenos Aires

BWI - EZE

BWIEZE

Baltimore/Washington

Mon 11/10

6:21 pm-9:00 am

1 stop12h 39m

Buenos Aires Ministro Pistarini

Thu 11/20

8:55 pm-9:22 am

1 stop14h 27m

$639

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Wed 10/8

8:09 am-10:15 am

2 stops25h 06m

Buenos Aires Ministro Pistarini

Wed 10/29

11:35 pm-6:54 pm

2 stops20h 19m

$644

Washington, D.C.Buenos Aires

DCA - EZE

DCAEZE

Washington, D.C. Reagan-National

Tue 9/9

1:30 pm-7:20 am

2 stops16h 50m

Buenos Aires Ministro Pistarini

Thu 9/25

10:30 pm-12:54 pm

1 stop15h 24m

$644

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Sat 9/6

10:05 pm-8:00 am

1 stop32h 55m

Buenos Aires Ministro Pistarini

Wed 9/24

9:00 pm-4:23 pm

1 stop20h 23m

$648

Washington, D.C.Buenos Aires

DCA - EZE

DCAEZE

Washington, D.C. Reagan-National

Thu 11/27

6:00 am-9:20 am

1 stop25h 20m

Buenos Aires Ministro Pistarini

Mon 12/1

11:55 pm-11:44 pm

1 stop25h 49m

$699

Flights are sorted by cheapest round-trip flights first.

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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 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 $787.

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 $914 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 $779 on momondo.

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

As of August 2025, prices for Washington, D.C. to Buenos Aires Ministro Pistarini Airport flights are approximately 23% 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.
  • 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 39m, 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
Copa AirlinesPriceFrom $568Free CancellationRating
7.5
1,515 reviews
Search Copa Airlines flights
AviancaPriceFrom $605Free CancellationRating
6.7
2,419 reviews
Search Avianca flights
American AirlinesPriceFrom $629Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $629Free CancellationRating
7.4
8,945 reviews
Search United Airlines flights
DeltaPriceFrom $629Free CancellationRating
7.9
7,977 reviews
Search Delta flights
LATAM AirlinesPriceFrom $678Free CancellationRating
7.5
1,841 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?

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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