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Cheap flights from Washington, D.C. to Buenos Aires from $295

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 4/9. 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

These are some of the best round-trip flight deals from Washington, D.C. to Buenos Aires that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from Washington, D.C. to Buenos Aires.

Cheap last minute flights

Planning a quick getaway from Washington, D.C. to Buenos Aires? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to Buenos Aires, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from Washington, D.C. to Buenos Aires

Find recent round-trip train or bus tickets from Washington, D.C. to Buenos Aires.

All round-trip flight deals to Buenos Aires

The cheapest plane tickets to Buenos Aires found on KAYAK recently.
7:45 am - 12:05 amIAD-EZE
15h 20m1 stop
7:00 am - 6:25 amEZE-IAD
24h 25m1 stop
$649Avianca
Find Deal
Thu, May 29 - Sat, Jun 7
4:05 am - 12:05 amIAD-EZE
19h 00m2 stops
7:00 am - 6:25 amEZE-IAD
24h 25m1 stop
$651Avianca
Find Deal
Thu, May 29 - Sat, Jun 7
3:27 pm - 1:09 amBWI-EZE
31h 42m1 stop
2:43 am - 2:11 pmEZE-BWI
13h 28m1 stop
$929Copa Airlines
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Wed, Jan 22 - Sun, Feb 2
3:27 pm - 7:49 amBWI-EZE
14h 22m1 stop
2:48 pm - 2:11 pmEZE-BWI
25h 23m1 stop
$947Copa Airlines
Find Deal
Wed, Jan 22 - Tue, Feb 4
12:30 pm - 9:45 amIAD-EZE
20h 15m1 stop
10:25 pm - 7:19 pmEZE-IAD
21h 54m1 stop
$974Delta
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Wed, Mar 12 - Wed, Mar 26
6:00 am - 6:20 amBWI-EZE
23h 20m1 stop
9:05 pm - 11:42 amEZE-BWI
15h 37m1 stop
$974United Airlines
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Wed, Mar 19 - Wed, Mar 26
6:00 am - 6:20 amDCA-EZE
23h 20m1 stop
9:05 pm - 6:42 pmEZE-DCA
22h 37m1 stop
$974United Airlines
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Wed, Mar 12 - Wed, Mar 19
9:12 am - 10:50 amIAD-EZE
23h 38m2 stops
9:25 pm - 4:20 pmEZE-IAD
19h 55m1 stop
$978American Airlines
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Tue, Mar 4 - Tue, Mar 11
7:35 pm - 9:45 amIAD-EZE
36h 10m1 stop
10:25 pm - 7:19 pmEZE-IAD
21h 54m1 stop
$980Delta
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Mon, Mar 3 - Mon, Mar 10
6:34 am - 9:50 amBWI-EZE
26h 16m1 stop
10:20 pm - 6:08 pmEZE-BWI
20h 48m1 stop
$984American Airlines
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Wed, Apr 30 - Tue, Aug 26
7:45 am - 5:20 amIAD-EZE
20h 35m1 stop
$295Avianca
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Wed, Apr 9
4:05 am - 12:05 amIAD-EZE
19h 00m2 stops
$296Avianca
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Tue, May 6
1:12 am - 1:09 amIAD-EZE
21h 57m1 stop
$491Copa Airlines
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Thu, Jan 2
4:35 pm - 7:47 amBWI-EZE
14h 12m1 stop
$501Copa Airlines
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Sun, Mar 9
5:57 pm - 9:00 amIAD-EZE
13h 03m1 stop
$504Delta
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Sat, Jan 18
4:25 pm - 9:45 amDCA-EZE
15h 20m1 stop
$504Delta
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Sat, Jan 18
3:55 pm - 9:20 amBWI-EZE
15h 25m1 stop
$504United Airlines
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Tue, Jan 28
3:20 pm - 9:10 amBWI-EZE
15h 50m1 stop
$554American Airlines
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Fri, Jan 3
5:26 pm - 10:49 amBWI-EZE
15h 23m2 stops
$574American Airlines
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Tue, Jan 28
5:33 pm - 7:20 amIAD-EZE
35h 47m1 stop
$605United Airlines
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Sat, Feb 8
8:22 am - 12:52 amIAD-EZE
14h 30m1 stop
10:39 am - 3:22 amEZE-IAD
18h 43m1 stop
$1,174Copa Airlines
Find Deal
Mon, Dec 23 - Mon, Dec 30
10:01 am - 7:15 amBWI-EZE
19h 14m1 stop
8:55 pm - 8:54 amEZE-BWI
13h 59m1 stop
$1,174Delta
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Thu, Dec 19 - Fri, Dec 27
7:45 am - 7:00 amBWI-EZE
21h 15m1 stop
10:30 pm - 2:27 pmEZE-BWI
17h 57m1 stop
$1,198American Airlines
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Sun, Dec 22 - Tue, Dec 24
10:01 am - 10:03 pmBWI-EZE
34h 02m2 stops
7:10 pm - 10:43 amEZE-BWI
17h 33m2 stops
$1,226LATAM Airlines
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Sun, Dec 22 - Tue, Dec 24
6:05 am - 2:40 pmDCA-AEP
30h 35m2 stops
2:55 pm - 10:57 pmAEP-DCA
34h 02m2 stops
$1,376LATAM Airlines
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Sun, Dec 22 - Tue, Dec 24
3:20 pm - 9:10 amBWI-EZE
15h 50m1 stop
10:30 pm - 6:10 pmEZE-BWI
21h 40m1 stop
$1,388American Airlines
Find Deal
Mon, Dec 23 - Sun, Dec 29
2:20 pm - 7:27 amIAD-EZE
15h 07m1 stop
7:19 am - 10:35 pmEZE-IAD
17h 16m2 stops
$1,390Avianca
Find Deal
Mon, Dec 23 - Mon, Dec 30
2:20 pm - 12:15 amIAD-EZE
31h 55m1 stop
1:45 am - 12:10 amEZE-IAD
24h 25m3 stops
$1,459Avianca
Find Deal
Mon, Dec 23 - Tue, Dec 31
10:24 pm - 9:20 amIAD-EZE
32h 56m1 stop
11:55 pm - 10:34 pmEZE-IAD
24h 39m1 stop
$1,563United Airlines
Find Deal
Mon, Dec 23 - Mon, Dec 30
5:32 pm - 7:20 amIAD-EZE
35h 48m1 stop
10:05 pm - 8:51 pmEZE-IAD
24h 46m1 stop
$1,786United Airlines
Find Deal
Sat, Dec 21 - Mon, Dec 23

United Airlines flights from Washington, D.C. to Buenos Aires

Our best United Airlines deals on Washington, D.C. to Buenos Aires flight tickets
United Airlines
Mar 19
BWI6:00 amBaltimore/Washington
23h 20m
1 stop
EZE6:20 amBuenos Aires Ministro Pistarini
Mar 26
EZE9:05 pmBuenos Aires Ministro Pistarini
15h 37m
1 stop
BWI11:42 amBaltimore/Washington
United Airlines
Mar 11
DCA7:59 pmWashington, D.C. Reagan-National
35h 21m
1 stop
EZE8:20 amBuenos Aires Ministro Pistarini
Mar 20
EZE11:55 pmBuenos Aires Ministro Pistarini
20h 07m
2 stops
DCA7:02 pmWashington, D.C. Reagan-National
United Airlines
Apr 24
BWI4:15 pmBaltimore/Washington
14h 45m
1 stop
EZE8:00 amBuenos Aires Ministro Pistarini
Apr 29
EZE9:00 pmBuenos Aires Ministro Pistarini
15h 59m
1 stop
BWI11:59 amBaltimore/Washington

Delta flights from Washington, D.C. to Buenos Aires

Our best Delta deals on Washington, D.C. to Buenos Aires flight tickets
Delta
Mar 12
IAD12:30 pmWashington, D.C. Dulles Intl
20h 15m
1 stop
EZE9:45 amBuenos Aires Ministro Pistarini
Mar 26
EZE10:25 pmBuenos Aires Ministro Pistarini
21h 54m
1 stop
IAD7:19 pmWashington, D.C. Dulles Intl
Delta
Mar 3
IAD7:35 pmWashington, D.C. Dulles Intl
36h 10m
1 stop
EZE9:45 amBuenos Aires Ministro Pistarini
Mar 10
EZE10:25 pmBuenos Aires Ministro Pistarini
21h 54m
1 stop
IAD7:19 pmWashington, D.C. Dulles Intl
Delta
May 14
DCA12:05 pmWashington, D.C. Reagan-National
20h 40m
1 stop
EZE9:45 amBuenos Aires Ministro Pistarini
May 24
EZE8:10 pmBuenos Aires Ministro Pistarini
13h 53m
1 stop
DCA9:03 amWashington, D.C. Reagan-National

See travel insights to Buenos Aires from

How to get the cheapest flight ticket from Washington, D.C. to Buenos Aires

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?

What is the cheapest month to fly to Buenos Aires?

The cheapest month to fly to Buenos Aires from Washington, D.C. is in May. Flight prices, which tend to average around $829, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of May, then book flights to Buenos Aires from Washington, D.C. during August instead. Flights to Buenos Aires in August, while not as cheap as those in May, still average around $898.

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

On average, the least expensive day to fly to Buenos Aires from Washington, D.C. is on a Monday. momondo users have found tickets for Monday departures for as low as $1,031. However, this price may fluctuate depending on the airline, the season, and holidays. 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 on Saturday is $1,094.

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

Our most recent data shows that the best time of day to fly to Buenos Aires is in the morning. Flights from Washington, D.C. to Buenos Aires during this time can be as low as $973. Try not to purchase tickets at noon because they tend to be around $1,112. Of course, these prices can vary depending on the time of year and what airport you fly to.

How far in advance should I book a flight to Buenos Aires?

Most flyers found that booking tickets 57 days in advance of their planned departure date is the best time to get cheap flights to Buenos Aires. During this timeframe, flight prices are around $1,023. Keep in mind that you might also find cheap flights to Buenos Aires outside of this time window. In fact, momondo users recently found flights from Washington, D.C. to Buenos Aires for $549.

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

No. A direct flight is the cheapest option for a flight between Washington, D.C. to Buenos Aires.

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

As of December 2024, prices for Washington, D.C. to Buenos Aires flights are approximately 19% cheaper when compared to flights at the same time last year.

When to book flights from Washington, D.C. to Buenos Aires

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. to Buenos Aires 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 (WAS to BUE) flight deals and tips

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

Best Price Found

$295

Fastest flight time

13h 03m

Direct flights

None

Airports in Buenos Aires

2 airports
The best one-way flight to Buenos Aires from Washington, D.C. in the past 72 hours is $295. The best round-trip flight deal from Washington, D.C. to Buenos Aires found on momondo in the last 72 hours is $649.
The fastest flight from Washington, D.C. to Buenos Aires takes 13h 03m
There are no direct flights from Washington, D.C. to Buenos Aires. Popular non-direct routes for this connection are Washington, D.C. Dulles Intl Airport - Buenos Aires Ministro Pistarini Airport, Baltimore/Washington Airport - Buenos Aires Jorge Newbery Airport and Baltimore/Washington Airport - Buenos Aires Ministro Pistarini Airport.
There are 2 airports near Buenos Aires: Buenos Aires Ministro Pistarini (EZE), Buenos Aires Jorge Newbery (AEP)

  • How far is Washington, D.C. to Buenos Aires by plane?

    Buenos Aires is 5214.3 mi away from Washington, D.C.. 13h 06m is a normal flight duration for this route.

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

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

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

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Washington, D.C. to Buenos Aires.

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

    The travel and health documents you'll need for your trip to Buenos Aires 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. 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?


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

Compare and see reviews for airlines that fly from Washington, D.C. to Buenos Aires with momondo
Airline
Rating
Free Cancellation
Price
Copa AirlinesPriceFrom $549Free CancellationRating
7.7
1,721 reviews
Search Copa Airlines flights
AviancaPriceFrom $698Free CancellationRating
7.0
2,667 reviews
Search Avianca flights
American AirlinesPriceFrom $723Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $823Free CancellationRating
7.4
9,055 reviews
Search United Airlines flights
DeltaPriceFrom $963Free CancellationRating
8.0
8,604 reviews
Search Delta flights
LATAM AirlinesPriceFrom $982Free CancellationRating
7.5
1,879 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?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Washington, D.C. to Buenos Aires. momondo saves you time and could save you money on your trip.

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

All flight searches from Washington, D.C. to Buenos Aires on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Washington, D.C. to Buenos Aires?

momondo provides multiple filters to help you find the best flight to Buenos Aires from Washington, D.C.. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

If you are simply researching potential flights to Buenos Aires, momondo offers a useful price alert feature which will track prices for flights to Buenos Aires from Washington, D.C. and alert you when they change.


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Fly into one of these airports located in Buenos Aires

Airports listed have a maximum distance of 17.0 mi from Buenos Aires