Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Washington, D.C. Reagan-National Airport 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. Reagan-National Airport to Buenos Aires departing on 1/18. 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.
Search flight deals

Find the cheapest flights from Washington, D.C. Reagan-National Airport to Buenos Aires

Cheap round-trip flights

Enter your travel dates to find the best prices.
LATAM Airlines Logo
5:00 pm - 10:15 am
DCA
-
EZE
15h 15m1 stop
LATAM Airlines Logo
11:55 pm - 12:40 pm
EZE
-
DCA
14h 45m1 stop
$620LATAM Airlines
Fri, Jan 23 - Mon, Feb 2
United Airlines Logo
11:00 am - 7:20 am
DCA
-
EZE
18h 20m1 stop
United Airlines Logo
11:55 pm - 3:55 pm
EZE
-
DCA
18h 00m1 stop
$625United Airlines
Mon, Feb 9 - Mon, Feb 16
Delta Logo
6:00 pm - 9:00 am
DCA
-
EZE
13h 00m1 stop
Delta Logo
8:55 pm - 6:33 pm
EZE
-
DCA
22h 38m1 stop
$636Delta
Fri, Mar 6 - Sun, Mar 15
LATAM Airlines Logo
11:11 am - 9:00 am
DCA
-
EZE
19h 49m2 stops
LATAM Airlines Logo
4:05 am - 11:32 pm
EZE
-
DCA
21h 27m2 stops
$640LATAM Airlines
Sun, Feb 8 - Wed, Feb 25
LATAM Airlines Logo
5:00 pm - 10:15 am
DCA
-
EZE
15h 15m1 stop
LATAM Airlines Logo
8:55 pm - 6:29 pm
EZE
-
DCA
23h 34m1 stop
$641LATAM Airlines
Wed, Feb 18 - Sun, Feb 22
Delta Logo
6:15 pm - 7:20 am
DCA
-
EZE
35h 05m1 stop
Delta Logo
8:55 pm - 6:29 pm
EZE
-
DCA
23h 34m1 stop
$642Delta
Sat, Feb 7 - Sun, Feb 22
United Airlines Logo
4:28 pm - 9:20 am
DCA
-
EZE
14h 52m1 stop
United Airlines Logo
11:55 pm - 8:56 pm
EZE
-
DCA
23h 01m1 stop
$655United Airlines
Tue, Feb 10 - Fri, Feb 27
LATAM Airlines Logo
3:40 pm - 9:00 am
DCA
-
EZE
15h 20m1 stop
LATAM Airlines Logo
8:55 pm - 9:10 am
EZE
-
DCA
14h 15m1 stop
$656LATAM Airlines
Wed, Feb 4 - Fri, Feb 13
LATAM Airlines Logo
5:00 pm - 10:15 am
DCA
-
EZE
15h 15m1 stop
LATAM Airlines Logo
11:55 pm - 9:42 pm
EZE
-
DCA
23h 47m1 stop
$658LATAM Airlines
Mon, Mar 2 - Sat, Mar 7
LATAM Airlines Logo
2:35 pm - 9:15 am
DCA
-
EZE
16h 40m2 stops
LATAM Airlines Logo
10:25 pm - 4:29 pm
EZE
-
DCA
20h 04m1 stop
$661LATAM Airlines
Sun, Jan 18 - Sun, Jan 25

United Airlines flights from Washington, D.C. Reagan-National Airport to Buenos Aires Ministro Pistarini Airport

Our best United Airlines deals on Washington, D.C. Reagan-National Airport to Buenos Aires Ministro Pistarini Airport flight tickets
United Airlines
Feb 9
DCA11:00 amWashington, D.C. Reagan-National
18h 20m
1 stop
EZE7:20 amBuenos Aires Ministro Pistarini
Feb 16
EZE11:55 pmBuenos Aires Ministro Pistarini
18h 00m
1 stop
DCA3:55 pmWashington, D.C. Reagan-National
$625
Find similar
United Airlines
Feb 8
DCA11:00 amWashington, D.C. Reagan-National
20h 20m
1 stop
EZE9:20 amBuenos Aires Ministro Pistarini
Feb 15
EZE11:55 pmBuenos Aires Ministro Pistarini
15h 54m
1 stop
DCA1:49 pmWashington, D.C. Reagan-National
$655
Find similar
United Airlines
Feb 11
DCA2:45 pmWashington, D.C. Reagan-National
16h 35m
1 stop
EZE9:20 amBuenos Aires Ministro Pistarini
Feb 18
EZE10:05 pmBuenos Aires Ministro Pistarini
15h 30m
1 stop
DCA11:35 amWashington, D.C. Reagan-National
$727
Find similar

Delta flights from Washington, D.C. Reagan-National Airport to Buenos Aires Ministro Pistarini Airport

Our best Delta deals on Washington, D.C. Reagan-National Airport to Buenos Aires Ministro Pistarini Airport flight tickets
Delta
Mar 6
DCA6:00 pmWashington, D.C. Reagan-National
13h 00m
1 stop
EZE9:00 amBuenos Aires Ministro Pistarini
Mar 15
EZE8:55 pmBuenos Aires Ministro Pistarini
22h 38m
1 stop
DCA6:33 pmWashington, D.C. Reagan-National
$636
Find similar
Delta
Apr 5
DCA7:59 amWashington, D.C. Reagan-National
24h 46m
1 stop
EZE9:45 amBuenos Aires Ministro Pistarini
Apr 15
EZE8:10 pmBuenos Aires Ministro Pistarini
19h 46m
1 stop
DCA2:56 pmWashington, D.C. Reagan-National
$696
Find similar
Delta
Apr 3
DCA5:09 pmWashington, D.C. Reagan-National
21h 36m
2 stops
EZE3:45 pmBuenos Aires Ministro Pistarini
Apr 14
EZE8:10 pmBuenos Aires Ministro Pistarini
25h 20m
1 stop
DCA8:30 pmWashington, D.C. Reagan-National
$749
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. Reagan-National 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 December 28, 2025.
Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to Buenos Aires Ministro Pistarini Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Buenos Aires

DCA - EZE

DCAEZE

Washington, D.C. Reagan-National

Fri 1/23

5:00 pm-10:15 am

1 stop15h 15m

Buenos Aires Ministro Pistarini

Mon 2/2

11:55 pm-12:40 pm

1 stop14h 45m

$620

Washington, D.C.Buenos Aires

DCA - EZE

DCAEZE

Washington, D.C. Reagan-National

Mon 2/9

11:00 am-7:20 am

1 stop18h 20m

Buenos Aires Ministro Pistarini

Mon 2/16

11:55 pm-3:55 pm

1 stop18h 00m

$625

Washington, D.C.Buenos Aires

DCA - EZE

DCAEZE

Washington, D.C. Reagan-National

Fri 3/6

6:00 pm-9:00 am

1 stop13h 00m

Buenos Aires Ministro Pistarini

Sun 3/15

8:55 pm-6:33 pm

1 stop22h 38m

$636

Washington, D.C.Buenos Aires

DCA - EZE

DCAEZE

Washington, D.C. Reagan-National

Sun 2/8

11:11 am-9:00 am

2 stops19h 49m

Buenos Aires Ministro Pistarini

Wed 2/25

4:05 am-11:32 pm

2 stops21h 27m

$640

Washington, D.C.Buenos Aires

DCA - EZE

DCAEZE

Washington, D.C. Reagan-National

Wed 2/18

5:00 pm-10:15 am

1 stop15h 15m

Buenos Aires Ministro Pistarini

Sun 2/22

8:55 pm-6:29 pm

1 stop23h 34m

$641

Washington, D.C.Buenos Aires

DCA - EZE

DCAEZE

Washington, D.C. Reagan-National

Sat 2/7

6:15 pm-7:20 am

1 stop35h 05m

Buenos Aires Ministro Pistarini

Sun 2/22

8:55 pm-6:29 pm

1 stop23h 34m

$642

Washington, D.C.Buenos Aires

DCA - EZE

DCAEZE

Washington, D.C. Reagan-National

Tue 2/10

4:28 pm-9:20 am

1 stop14h 52m

Buenos Aires Ministro Pistarini

Fri 2/27

11:55 pm-8:56 pm

1 stop23h 01m

$655

Washington, D.C.Buenos Aires

DCA - EZE

DCAEZE

Washington, D.C. Reagan-National

Wed 2/4

3:40 pm-9:00 am

1 stop15h 20m

Buenos Aires Ministro Pistarini

Fri 2/13

8:55 pm-9:10 am

1 stop14h 15m

$656

Washington, D.C.Buenos Aires

DCA - EZE

DCAEZE

Washington, D.C. Reagan-National

Mon 3/2

5:00 pm-10:15 am

1 stop15h 15m

Buenos Aires Ministro Pistarini

Sat 3/7

11:55 pm-9:42 pm

1 stop23h 47m

$658

Washington, D.C.Buenos Aires

DCA - EZE

DCAEZE

Washington, D.C. Reagan-National

Sun 1/18

2:35 pm-9:15 am

2 stops16h 40m

Buenos Aires Ministro Pistarini

Sun 1/25

10:25 pm-4:29 pm

1 stop20h 04m

$661

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Buenos Aires from

How to get the cheapest flight ticket from Washington, D.C. Reagan-National 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 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. Reagan-National Airport during August instead. Flights to Buenos Aires Ministro Pistarini Airport in August, while not as cheap as those in November, still average around $678.

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

You could potentially save up to 7% on your flight if you consider stops on a Washington, D.C. Reagan-National Airport to Buenos Aires Ministro Pistarini Airport flight.

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

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

Fastest flight time

13h 15m

Direct flights

None
The fastest flight from Washington, D.C. Reagan-National Airport to Buenos Aires Ministro Pistarini Airport takes 13h 15m
There are no direct flights from Washington, D.C. Reagan-National Airport to Buenos Aires Ministro Pistarini Airport. There are no popular flight routes from Washington, D.C. Reagan-National Airport to Buenos Aires Ministro Pistarini Airport.
Search flight deals

  • How far is Washington, D.C. Reagan-National to Buenos Aires Ministro Pistarini by plane?

    There are 5222.4 mi between Washington, D.C. Reagan-National and Buenos Aires Ministro Pistarini. By plane, this route typically takes 13h 15m.

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

    Prices for flights from Washington, D.C. Reagan-National Airport to Buenos Aires Ministro Pistarini Airport refresh daily.

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

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

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

    The required travel and health documents for your Buenos Aires Ministro Pistarini Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Buenos Aires Ministro Pistarini Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

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

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

Compare and see reviews for airlines that fly from Washington, D.C. Reagan-National Airport to Buenos Aires Ministro Pistarini Airport with momondo
Airline
Rating
Free Cancellation
Price
LATAM AirlinesPriceFrom $506Free CancellationRating
7.5
1,895 reviews
Search LATAM Airlines flights
United AirlinesPriceFrom $629Free CancellationRating
7.4
9,114 reviews
Search United Airlines flights
American AirlinesPriceFrom $629Free CancellationRating
7.2
11,071 reviews
Search American Airlines flights
DeltaPriceFrom $639Free CancellationRating
7.9
8,016 reviews
Search Delta 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 all potential Washington, D.C. to Buenos Aires flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Price alerts on flights to Buenos Aires from Washington, D.C. are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Tue 1/27
Tue 2/3
By creating a price alert you accept our terms of use and privacy policy.

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
Flights to Buenos Aires Jorge Newbery Airportfrom $520