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Cheap flights from Washington, D.C. to Buenos Aires from $291

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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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.
2:20 pm - 6:05 amIAD-EZE
13h 45m1 stop
7:10 am - 4:50 amEZE-IAD
23h 40m1 stop
$672Avianca
Find Deal
Thu, Dec 5 - Tue, Dec 10
7:10 am - 12:15 amIAD-EZE
16h 05m1 stop
1:45 am - 2:00 pmEZE-IAD
13h 15m1 stop
$679Avianca
Find Deal
Mon, Mar 17 - Wed, Mar 26
2:18 am - 9:59 pmIAD-EZE
18h 41m1 stop
11:01 am - 4:22 amEZE-IAD
18h 21m1 stop
$688Copa Airlines
Find Deal
Mon, Apr 21 - Tue, May 6
2:18 am - 12:46 amIAD-EZE
21h 28m1 stop
10:55 am - 4:19 amEZE-IAD
18h 24m1 stop
$710Copa Airlines
Find Deal
Sun, Mar 16 - Thu, Mar 27
6:55 pm - 9:00 amBWI-EZE
13h 05m1 stop
8:10 pm - 3:34 pmEZE-BWI
20h 24m1 stop
$974Delta
Find Deal
Mon, Mar 17 - Wed, Apr 2
7:30 pm - 9:45 amDCA-EZE
13h 15m1 stop
8:10 pm - 12:47 pmEZE-DCA
17h 37m1 stop
$974Delta
Find Deal
Tue, Apr 22 - Tue, May 6
7:59 pm - 9:20 amDCA-EZE
35h 21m1 stop
10:05 pm - 11:28 amEZE-DCA
15h 23m1 stop
$985United Airlines
Find Deal
Tue, Feb 25 - Thu, Mar 6
12:45 pm - 9:20 amDCA-EZE
18h 35m1 stop
11:55 pm - 9:59 pmEZE-DCA
24h 04m1 stop
$999United Airlines
Find Deal
Sun, Jan 26 - Wed, Feb 19
5:30 pm - 10:40 amDCA-EZE
15h 10m2 stops
9:00 pm - 9:29 amEZE-DCA
14h 29m1 stop
$1,038American Airlines
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Fri, Dec 6 - Fri, Dec 13
5:30 pm - 10:49 amDCA-EZE
15h 19m2 stops
9:00 pm - 4:41 pmEZE-DCA
21h 41m1 stop
$1,065American Airlines
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Mon, Jan 13 - Sun, Jan 26
6:10 am - 12:15 amIAD-EZE
16h 05m1 stop
$291Avianca
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Sun, Dec 8
6:10 am - 12:15 amIAD-EZE
16h 05m1 stop
$298Avianca
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Wed, Dec 4
1:12 am - 1:09 amIAD-EZE
21h 57m1 stop
$302Copa Airlines
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Tue, Dec 31
3:31 pm - 12:52 amIAD-EZE
31h 21m1 stop
$345Copa Airlines
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Mon, Dec 30
7:17 am - 9:00 amIAD-EZE
23h 43m1 stop
$504Delta
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Tue, Jan 7
6:00 am - 9:20 amDCA-EZE
25h 20m1 stop
$504United Airlines
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Wed, Dec 11
7:55 pm - 9:20 amDCA-EZE
35h 25m1 stop
$522United Airlines
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Sat, Nov 30
7:15 am - 7:15 amIAD-EZE
22h 00m1 stop
$574Delta
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Fri, Dec 27
1:44 pm - 6:50 amDCA-EZE
15h 06m2 stops
$604American Airlines
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Wed, Nov 27
11:42 am - 10:50 amDCA-EZE
21h 08m1 stop
$674American Airlines
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Mon, Dec 16
6:10 am - 1:25 amIAD-EZE
17h 15m2 stops
7:10 am - 12:10 amEZE-IAD
19h 00m3 stops
$844Avianca
Find Deal
Mon, Nov 25 - Mon, Dec 9
2:20 pm - 6:05 amIAD-EZE
13h 45m1 stop
5:50 am - 12:10 amEZE-IAD
20h 20m3 stops
$874Avianca
Find Deal
Mon, Nov 25 - Thu, Nov 28
8:25 am - 1:03 amIAD-EZE
14h 38m1 stop
3:53 am - 3:22 amEZE-IAD
25h 29m1 stop
$893Copa Airlines
Find Deal
Mon, Nov 25 - Sun, Dec 8
8:25 am - 4:13 amIAD-EZE
17h 48m1 stop
10:39 am - 3:22 amEZE-IAD
18h 43m1 stop
$988Copa Airlines
Find Deal
Tue, Nov 26 - Sun, Dec 8
7:35 pm - 9:00 amDCA-EZE
35h 25m1 stop
8:55 pm - 6:25 pmEZE-DCA
23h 30m1 stop
$1,027Delta
Find Deal
Sat, Nov 23 - Fri, Dec 6
4:42 pm - 9:00 amBWI-EZE
14h 18m1 stop
8:55 pm - 8:54 amEZE-BWI
13h 59m1 stop
$1,034Delta
Find Deal
Mon, Nov 25 - Mon, Dec 9
5:10 pm - 9:20 amIAD-EZE
14h 10m1 stop
11:55 pm - 4:11 pmEZE-IAD
18h 16m1 stop
$1,034United Airlines
Find Deal
Mon, Nov 25 - Mon, Dec 9
2:50 pm - 7:20 amBWI-EZE
14h 30m1 stop
11:55 pm - 11:59 pmEZE-BWI
26h 04m1 stop
$1,045United Airlines
Find Deal
Sun, Nov 24 - Sun, Dec 22
5:09 pm - 10:30 amIAD-EZE
15h 21m1 stop
10:30 pm - 4:19 pmEZE-IAD
19h 49m1 stop
$1,098American Airlines
Find Deal
Sat, Nov 23 - Mon, Nov 25
5:23 pm - 10:40 amDCA-EZE
15h 17m1 stop
11:59 pm - 12:43 pmEZE-DCA
14h 44m1 stop
$1,166American Airlines
Find Deal
Sat, Nov 23 - Mon, Dec 2

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

Our best American Airlines deals on Washington, D.C. to Buenos Aires flight tickets
American Airlines
Dec 6
DCA5:30 pmWashington, D.C. Reagan-National
15h 10m
2 stops
EZE10:40 amBuenos Aires Ministro Pistarini
Dec 13
EZE9:00 pmBuenos Aires Ministro Pistarini
14h 29m
1 stop
DCA9:29 amWashington, D.C. Reagan-National
American Airlines
Jan 13
DCA5:30 pmWashington, D.C. Reagan-National
15h 19m
2 stops
EZE10:49 amBuenos Aires Ministro Pistarini
Jan 26
EZE9:00 pmBuenos Aires Ministro Pistarini
21h 41m
1 stop
DCA4:41 pmWashington, D.C. Reagan-National
American Airlines
Dec 6
DCA1:50 pmWashington, D.C. Reagan-National
18h 50m
1 stop
EZE10:40 amBuenos Aires Ministro Pistarini
Dec 13
EZE9:35 pmBuenos Aires Ministro Pistarini
16h 10m
2 stops
DCA11:45 amWashington, D.C. Reagan-National

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

Our best Avianca deals on Washington, D.C. to Buenos Aires flight tickets
Avianca
Dec 5
IAD2:20 pmWashington, D.C. Dulles Intl
13h 45m
1 stop
EZE6:05 amBuenos Aires Ministro Pistarini
Dec 10
EZE7:10 amBuenos Aires Ministro Pistarini
23h 40m
1 stop
IAD4:50 amWashington, D.C. Dulles Intl
Avianca
Mar 17
IAD7:10 amWashington, D.C. Dulles Intl
16h 05m
1 stop
EZE12:15 amBuenos Aires Ministro Pistarini
Mar 26
EZE1:45 amBuenos Aires Ministro Pistarini
13h 15m
1 stop
IAD2:00 pmWashington, D.C. Dulles Intl
Avianca
May 15
IAD7:45 amWashington, D.C. Dulles Intl
15h 20m
1 stop
EZE12:05 amBuenos Aires Ministro Pistarini
May 27
EZE1:40 amBuenos Aires Ministro Pistarini
13h 05m
1 stop
IAD1:45 pmWashington, D.C. Dulles Intl

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 cheapest month to fly from Washington, D.C. to Buenos Aires?

May. The cheapest time of year to fly to Buenos Aires from Washington, D.C. is May. Most expensive is December

What is the cheapest day to depart Washington, D.C. for Buenos Aires?

Monday. The cheapest day of the week is typically Monday. The most expensive is typically Sunday

When is the cheapest time to fly from Washington, D.C. to Buenos Aires?

In the morning. Washington, D.C. to Buenos Aires flights are approximately 12% more expensive at noon than in the morning

What is the cheapest Washington, D.C. to Buenos Aires flight route?

Washington, D.C. Dulles Intl - Buenos Aires Ministro Pistarini. Fly from Washington, D.C. Dulles Intl to Buenos Aires Ministro Pistarini for the best Washington, D.C. - Buenos Aires flight prices

How far in advance should you book Washington, D.C. to Buenos Aires flights?

60 days before. The cheapest time to buy a flight from Washington, D.C. to Buenos Aires is approximately 60 days to departure

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

You could potentially save up to 2% on your flight if you consider stops on a Washington, D.C. to Buenos Aires flight.

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

As of November 2024, prices for Washington, D.C. to Buenos Aires flights are approximately 27% cheaper when compared to flights at the same time last year.

What is the typical price of a round-trip flight between Washington, D.C. and Buenos Aires?


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

$291

Fastest flight time

12h 55m

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 $291. The best round-trip flight deal from Washington, D.C. to Buenos Aires found on momondo in the last 72 hours is $672.
The fastest flight from Washington, D.C. to Buenos Aires takes 12h 55m
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, Washington, D.C. Dulles Intl 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.. 12h 55m 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
1,785 reviews
Search Copa Airlines flights
AviancaPriceFrom $658Free CancellationRating
7.0
2,799 reviews
Search Avianca flights
American AirlinesPriceFrom $723Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $956Free CancellationRating
7.4
9,173 reviews
Search United Airlines flights
DeltaPriceFrom $963Free CancellationRating
8.0
8,759 reviews
Search Delta flights
LATAM AirlinesPriceFrom $982Free CancellationRating
7.5
1,939 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