Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Washington, D.C. to Buenos Aires from $259

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 9/8. 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
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.

Find the cheapest flights from Washington, D.C. to Buenos Aires

Cheap round-trip flights

Avianca Logo
7:00 am - 12:10 amIAD-EZE
16h 10m1 stop
Avianca Logo
4:45 pm - 5:35 amEZE-IAD
13h 50m1 stop
$609Avianca
Find Deal
Wed, Sep 24 - Tue, Sep 30
Avianca Logo
7:00 am - 12:10 amIAD-EZE
16h 10m1 stop
Avianca Logo
1:40 am - 2:45 amEZE-IAD
26h 05m2 stops
$610Avianca
Find Deal
Wed, Sep 24 - Mon, Sep 29
Copa Airlines Logo
2:22 am - 1:02 amIAD-EZE
21h 40m1 stop
Copa Airlines Logo
3:47 am - 1:20 amEZE-IAD
22h 33m1 stop
$617Copa Airlines
Find Deal
Mon, Jul 7 - Mon, Jul 28
Delta Logo
5:25 pm - 9:45 amIAD-EZE
15h 20m1 stop
Delta Logo
8:10 pm - 2:31 pmEZE-IAD
19h 21m1 stop
$629Delta
Find Deal
Tue, Aug 19 - Fri, Aug 29
Delta Logo
1:40 pm - 9:45 amDCA-EZE
19h 05m1 stop
Delta Logo
8:10 pm - 12:40 pmEZE-DCA
17h 30m1 stop
$629Delta
Find Deal
Tue, Aug 19 - Fri, Aug 29
Copa Airlines Logo
9:32 am - 4:12 amIAD-EZE
17h 40m1 stop
Copa Airlines Logo
2:32 pm - 4:20 amEZE-IAD
14h 48m1 stop
$637Copa Airlines
Find Deal
Tue, Jul 8 - Tue, Jul 29
American Airlines Logo
10:25 am - 10:15 amIAD-EZE
22h 50m2 stops
American Airlines Logo
8:30 pm - 10:49 pmEZE-IAD
27h 19m2 stops
$654American Airlines
Find Deal
Mon, Aug 25 - Fri, Sep 5
American Airlines Logo
8:15 am - 9:00 amBWI-EZE
23h 45m2 stops
American Airlines Logo
8:45 pm - 5:50 pmEZE-BWI
22h 05m2 stops
$654American Airlines
Find Deal
Thu, Aug 21 - Wed, Aug 27
United Airlines Logo
10:10 pm - 7:20 amIAD-EZE
31h 10m1 stop
United Airlines Logo
10:05 pm - 11:28 amEZE-IAD
15h 23m1 stop
$658United Airlines
Find Deal
Sat, Nov 8 - Wed, Nov 19
United Airlines Logo
7:59 pm - 7:20 amDCA-EZE
33h 21m1 stop
United Airlines Logo
10:05 pm - 11:29 amEZE-DCA
15h 24m1 stop
$658United Airlines
Find Deal
Sat, Nov 8 - Tue, Nov 25

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

Our best Copa Airlines deals on Washington, D.C. to Buenos Aires Ministro Pistarini Airport flight tickets
Copa Airlines
Jul 7
IAD2:22 amWashington, D.C. Dulles Intl
21h 40m
1 stop
EZE1:02 amBuenos Aires Ministro Pistarini
Jul 28
EZE3:47 amBuenos Aires Ministro Pistarini
22h 33m
1 stop
IAD1:20 amWashington, D.C. Dulles Intl
Copa Airlines
Jul 8
IAD9:32 amWashington, D.C. Dulles Intl
17h 40m
1 stop
EZE4:12 amBuenos Aires Ministro Pistarini
Jul 29
EZE2:32 pmBuenos Aires Ministro Pistarini
14h 48m
1 stop
IAD4:20 amWashington, D.C. Dulles Intl
Copa Airlines
Aug 18
IAD2:25 amWashington, D.C. Dulles Intl
21h 30m
1 stop
EZE12:55 amBuenos Aires Ministro Pistarini
Oct 2
EZE10:05 amBuenos Aires Ministro Pistarini
19h 17m
1 stop
IAD4:22 amWashington, D.C. Dulles Intl

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
Jun 15
DCA6:59 pmWashington, D.C. Reagan-National
14h 16m
1 stop
EZE10:15 amBuenos Aires Ministro Pistarini
Jun 17
EZE9:15 pmBuenos Aires Ministro Pistarini
14h 28m
1 stop
DCA10:43 amWashington, D.C. Reagan-National
American Airlines
Aug 25
IAD10:25 amWashington, D.C. Dulles Intl
22h 50m
2 stops
EZE10:15 amBuenos Aires Ministro Pistarini
Sep 5
EZE8:30 pmBuenos Aires Ministro Pistarini
27h 19m
2 stops
IAD10:49 pmWashington, D.C. Dulles Intl
American Airlines
Sep 8
BWI6:19 amBaltimore/Washington
24h 16m
1 stop
EZE7:35 amBuenos Aires Ministro Pistarini
Sep 29
EZE10:00 pmBuenos Aires Ministro Pistarini
16h 56m
2 stops
BWI1:56 pmBaltimore/Washington

See travel insights to Buenos Aires from

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 $812.

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 13 weeks ahead of your departure date. In general, you can expect to find flights to Buenos Aires Ministro Pistarini Airport for around $1,081 when searching 13 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 $775 on momondo.

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

As of June 2025, prices for Washington, D.C. to Buenos Aires Ministro Pistarini Airport flights are approximately 29% 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

Best Price Found

$259

Fastest flight time

12h 49m

Direct flights

None
The best one-way flight to Buenos Aires Ministro Pistarini Airport from Washington, D.C. in the past 72 hours is $259. The best round-trip flight deal from Washington, D.C. to Buenos Aires Ministro Pistarini Airport found on momondo in the last 72 hours is $609.
The fastest flight from Washington, D.C. to Buenos Aires Ministro Pistarini Airport takes 12h 49m
There are no direct flights from Washington, D.C. to Buenos Aires Ministro Pistarini Airport. Popular non-direct routes for this connection are Washington, D.C. Dulles Intl Airport - Buenos Aires Ministro Pistarini Airport, Washington, D.C. Reagan-National Airport - Buenos Aires Ministro Pistarini Airport and Baltimore/Washington Airport - 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 13h 00m, 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 $549Free CancellationRating
7.5
1,451 reviews
Search Copa Airlines flights
AviancaPriceFrom $605Free CancellationRating
6.7
2,345 reviews
Search Avianca flights
American AirlinesPriceFrom $629Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $629Free CancellationRating
7.4
8,790 reviews
Search United Airlines flights
DeltaPriceFrom $629Free CancellationRating
8.0
7,946 reviews
Search Delta flights
LATAM AirlinesPriceFrom $687Free CancellationRating
7.5
1,785 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.


An easier way to manage your Buenos Aires Ministro Pistarini Airport trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Tue 6/17
Tue 6/24

Find better results for your trip to Buenos Aires

Popular cities in Argentina

Popular flights according to clicks in the last 7 days on momondo