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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 12/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap round-trip flights

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Delta Logo
6:30 pm - 9:45 amBWI-EZE
14h 15m1 stop
Delta Logo
8:10 pm - 9:15 amEZE-BWI
14h 05m1 stop
$637Delta
Find Deal
vie., abr. 24 - mar., may. 5
Delta Logo
12:35 pm - 7:20 amIAD-EZE
16h 45m1 stop
Delta Logo
10:25 pm - 11:41 amEZE-IAD
15h 16m1 stop
$640Delta
Find Deal
sáb., feb. 28 - vie., mar. 6
United Airlines Logo
12:37 pm - 9:20 amBWI-EZE
18h 43m1 stop
United Airlines Logo
11:55 pm - 4:10 pmEZE-BWI
18h 15m1 stop
$640United Airlines
Find Deal
lun., feb. 16 - lun., mar. 2
Delta Logo
5:00 pm - 10:15 amDCA-EZE
15h 15m1 stop
Delta Logo
4:05 am - 10:09 pmEZE-DCA
20h 04m2 stops
$640Delta
Find Deal
dom., mar. 1 - mar., mar. 3
LATAM Airlines Logo
7:25 pm - 9:45 amIAD-EZE
13h 20m1 stop
LATAM Airlines Logo
7:35 am - 9:10 amEZE-IAD
26h 35m3 stops
$643LATAM Airlines
Find Deal
dom., mar. 29 - mar., abr. 28
American Airlines Logo
2:46 pm - 10:40 amBWI-EZE
17h 54m2 stops
American Airlines Logo
9:25 pm - 6:26 pmEZE-BWI
23h 01m1 stop
$644American Airlines
Find Deal
mié., feb. 11 - vie., feb. 27
Avianca Logo
6:45 am - 12:35 amIAD-EZE
16h 50m1 stop
Avianca Logo
4:55 pm - 5:25 amEZE-IAD
13h 30m1 stop
$646Avianca
Find Deal
vie., mar. 13 - jue., mar. 19
Copa Airlines Logo
4:59 am - 10:34 pmIAD-EZE
15h 35m1 stop
Copa Airlines Logo
2:48 pm - 3:13 amEZE-IAD
14h 25m1 stop
$648Copa Airlines
Find Deal
mié., ene. 7 - jue., ene. 29
United Airlines Logo
7:59 pm - 7:20 amDCA-EZE
33h 21m1 stop
United Airlines Logo
10:05 pm - 8:46 pmEZE-DCA
24h 41m1 stop
$648United Airlines
Find Deal
sáb., dic. 13 - mar., dic. 23
Avianca Logo
3:25 pm - 5:45 amIAD-EZE
13h 20m1 stop
Avianca Logo
4:45 pm - 5:35 amEZE-IAD
13h 50m1 stop
$649Avianca
Find Deal
mar., abr. 21 - mar., may. 5

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

Our best LATAM Airlines deals on Washington, D.C. to Buenos Aires Ministro Pistarini Airport flight tickets
LATAM Airlines
Mar 29
IAD7:25 pmWashington, D.C. Dulles Intl
13h 20m
1 stop
EZE9:45 amBuenos Aires Ministro Pistarini
Apr 28
EZE7:35 amBuenos Aires Ministro Pistarini
26h 35m
3 stops
IAD9:10 amWashington, D.C. Dulles Intl
$643
Find similar
LATAM Airlines
Dec 7
IAD12:30 pmWashington, D.C. Dulles Intl
19h 05m
2 stops
EZE9:35 amBuenos Aires Ministro Pistarini
Dec 11
EZE11:00 amBuenos Aires Ministro Pistarini
15h 12m
2 stops
IAD12:12 amWashington, D.C. Dulles Intl
$644
Find similar
LATAM Airlines
Feb 8
BWI1:02 pmBaltimore/Washington
17h 58m
1 stop
EZE9:00 amBuenos Aires Ministro Pistarini
Feb 27
EZE7:45 amBuenos Aires Ministro Pistarini
28h 15m
3 stops
BWI10:00 amBaltimore/Washington
$649
Find similar

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
Jan 7
IAD4:59 amWashington, D.C. Dulles Intl
15h 35m
1 stop
EZE10:34 pmBuenos Aires Ministro Pistarini
Jan 29
EZE2:48 pmBuenos Aires Ministro Pistarini
14h 25m
1 stop
IAD3:13 amWashington, D.C. Dulles Intl
$648
Find similar
Copa Airlines
May 13
IAD2:12 amWashington, D.C. Dulles Intl
25h 23m
1 stop
EZE4:35 amBuenos Aires Ministro Pistarini
May 20
EZE3:41 amBuenos Aires Ministro Pistarini
25h 32m
1 stop
IAD4:13 amWashington, D.C. Dulles Intl
$653
Find similar
Copa Airlines
Dec 3
BWI3:38 pmBaltimore/Washington
14h 21m
1 stop
EZE7:59 amBuenos Aires Ministro Pistarini
Dec 5
EZE2:15 amBuenos Aires Ministro Pistarini
13h 55m
1 stop
BWI2:10 pmBaltimore/Washington
$658
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 noviembre 26, 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

vie. 4/24

6:30 pm-9:45 am

1 stop14h 15m

Buenos Aires Ministro Pistarini

mar. 5/5

8:10 pm-9:15 am

1 stop14h 05m

$637

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

sáb. 2/28

12:35 pm-7:20 am

1 stop16h 45m

Buenos Aires Ministro Pistarini

vie. 3/6

10:25 pm-11:41 am

1 stop15h 16m

$640

BaltimoreBuenos Aires

BWI - EZE

BWIEZE

Baltimore/Washington

lun. 2/16

12:37 pm-9:20 am

1 stop18h 43m

Buenos Aires Ministro Pistarini

lun. 3/2

11:55 pm-4:10 pm

1 stop18h 15m

$640

Washington, D.C.Buenos Aires

DCA - EZE

DCAEZE

Washington, D.C. Reagan-National

dom. 3/1

5:00 pm-10:15 am

1 stop15h 15m

Buenos Aires Ministro Pistarini

mar. 3/3

4:05 am-10:09 pm

2 stops20h 04m

$640

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

dom. 3/29

7:25 pm-9:45 am

1 stop13h 20m

Buenos Aires Ministro Pistarini

mar. 4/28

7:35 am-9:10 am

3 stops26h 35m

$643

BaltimoreBuenos Aires

BWI - EZE

BWIEZE

Baltimore/Washington

mié. 2/11

2:46 pm-10:40 am

2 stops17h 54m

Buenos Aires Ministro Pistarini

vie. 2/27

9:25 pm-6:26 pm

1 stop23h 01m

$644

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

vie. 3/13

6:45 am-12:35 am

1 stop16h 50m

Buenos Aires Ministro Pistarini

jue. 3/19

4:55 pm-5:25 am

1 stop13h 30m

$646

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

mié. 1/7

4:59 am-10:34 pm

1 stop15h 35m

Buenos Aires Ministro Pistarini

jue. 1/29

2:48 pm-3:13 am

1 stop14h 25m

$648

Washington, D.C.Buenos Aires

DCA - EZE

DCAEZE

Washington, D.C. Reagan-National

sáb. 12/13

7:59 pm-7:20 am

1 stop33h 21m

Buenos Aires Ministro Pistarini

mar. 12/23

10:05 pm-8:46 pm

1 stop24h 41m

$648

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

mar. 4/21

3:25 pm-5:45 am

1 stop13h 20m

Buenos Aires Ministro Pistarini

mar. 5/5

4:45 pm-5:35 am

1 stop13h 50m

$649

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. 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 $768.

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 $850 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 $722 on momondo.

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

You could potentially save up to 1% 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 November 2025, prices for Washington, D.C. to Buenos Aires Ministro Pistarini Airport flights are approximately 10% more expensive 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

Fastest flight time

12h 35m

Direct flights

None
The fastest flight from Washington, D.C. to Buenos Aires Ministro Pistarini Airport takes 12h 35m
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 55m, 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
1,886 reviews
Search LATAM Airlines flights
AviancaPriceFrom $600Free CancellationRating
6.6
2,477 reviews
Search Avianca flights
DeltaPriceFrom $609Free CancellationRating
7.9
8,000 reviews
Search Delta flights
Copa AirlinesPriceFrom $617Free CancellationRating
7.6
1,569 reviews
Search Copa Airlines flights
United AirlinesPriceFrom $629Free CancellationRating
7.4
9,047 reviews
Search United Airlines flights
American AirlinesPriceFrom $639Free CancellationRating
7.2
11,038 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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