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Cheap flights from Buenos Aires to Washington, D.C. from $350

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Buenos Aires to Washington, D.C. departing on 3/4. 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 Buenos Aires to Washington, D.C.

Cheap round-trip flights

These are some of the best round-trip flight deals from Buenos Aires to Washington, D.C. 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 Buenos Aires to Washington, D.C..

Cheap last minute flights

Planning a quick getaway from Buenos Aires to Washington, D.C.? 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 Washington, D.C., so you can enjoy a seamless trip without layovers.

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

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

All round-trip flight deals to Washington, D.C.

The cheapest plane tickets to Washington, D.C. found on KAYAK recently.
7:10 am - 5:50 amEZE-IAD
23h 40m1 stop
7:45 am - 12:05 amIAD-EZE
15h 20m1 stop
$699Avianca
Find Deal
Thu, Mar 20 - Thu, Apr 3
5:50 am - 1:10 amEZE-IAD
20h 20m3 stops
7:45 am - 12:05 amIAD-EZE
15h 20m1 stop
$731Avianca
Find Deal
Thu, Mar 20 - Thu, Apr 3
2:45 pm - 4:20 amEZE-IAD
14h 35m1 stop
4:34 pm - 8:19 amIAD-EZE
14h 45m1 stop
$879Copa Airlines
Find Deal
Tue, Apr 1 - Mon, May 12
9:40 pm - 10:54 amEZE-DCA
15h 14m1 stop
6:59 pm - 10:50 amDCA-EZE
14h 51m1 stop
$943American Airlines
Find Deal
Wed, Mar 5 - Wed, Mar 12
10:30 pm - 4:12 pmEZE-IAD
19h 42m1 stop
6:18 am - 9:30 amIAD-EZE
26h 12m1 stop
$943American Airlines
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Mon, Mar 3 - Sun, Mar 9
3:58 am - 3:15 amEZE-IAD
25h 17m1 stop
4:34 pm - 4:16 amIAD-EZE
34h 42m1 stop
$953Copa Airlines
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Fri, Feb 28 - Mon, Mar 17
7:00 am - 11:40 pmEZE-DCA
17h 40m2 stops
1:45 pm - 9:45 amDCA-EZE
19h 00m1 stop
$989Delta
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Thu, Mar 27 - Mon, Apr 14
8:55 pm - 1:05 pmEZE-BWI
17h 10m1 stop
10:00 am - 5:55 amBWI-EZE
18h 55m2 stops
$989Delta
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Wed, Mar 26 - Thu, Sep 25
11:55 pm - 6:43 pmEZE-DCA
20h 48m1 stop
12:45 pm - 9:20 amDCA-EZE
18h 35m1 stop
$998United Airlines
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Wed, Jan 22 - Tue, Feb 4
11:55 pm - 1:40 pmEZE-DCA
15h 45m1 stop
2:39 pm - 9:20 amDCA-EZE
16h 41m1 stop
$1,049United Airlines
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Wed, Jan 22 - Fri, Jan 24
11:10 pm - 5:13 pmAEP-BWI
44h 03m3 stops
Tue, Mar 4
11:10 pm - 4:22 pmAEP-BWI
43h 12m3 stops
Sun, Feb 23
1:45 am - 1:00 pmEZE-IAD
13h 15m1 stop
$401Avianca
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Mon, Jan 27
7:00 am - 4:50 amAEP-IAD
23h 50m1 stop
$416Avianca
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Thu, Feb 20
9:00 pm - 4:41 pmEZE-DCA
21h 41m1 stop
$517American Airlines
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Wed, Feb 5
9:30 pm - 6:11 pmEZE-BWI
21h 41m1 stop
$517American Airlines
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Wed, Mar 19
10:55 am - 3:13 amEZE-IAD
18h 18m1 stop
$535Copa Airlines
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Mon, Jan 27
8:55 pm - 8:58 amEZE-DCA
14h 03m1 stop
$540Delta
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Mon, Jan 27
8:55 pm - 9:11 amEZE-BWI
14h 16m1 stop
$540Delta
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Mon, Jan 27
10:55 am - 3:13 amEZE-IAD
18h 18m1 stop
$557Copa Airlines
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Thu, Jan 23
10:30 pm - 7:50 pmEZE-DCA
23h 20m1 stop
3:59 pm - 10:49 amDCA-EZE
16h 50m1 stop
$1,316American Airlines
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Mon, Jan 13 - Thu, Jan 16
9:30 am - 12:22 amEZE-IAD
16h 52m1 stop
12:52 pm - 9:00 amIAD-EZE
18h 08m1 stop
$1,324Delta
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Mon, Jan 13 - Thu, Jan 16
5:00 pm - 9:46 amEZE-IAD
42h 46m3 stops
2:20 pm - 5:35 amIAD-EZE
13h 15m1 stop
$1,332
Find Deal
Sat, Jan 11 - Mon, Jan 13
2:30 am - 4:50 amEZE-IAD
52h 20m2 stops
2:20 pm - 5:35 amIAD-EZE
13h 15m1 stop
$1,379Avianca
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Fri, Jan 10 - Mon, Jan 13
7:10 pm - 4:50 amEZE-IAD
35h 40m2 stops
2:20 pm - 5:35 amIAD-EZE
13h 15m1 stop
$1,384
Find Deal
Sat, Jan 11 - Mon, Jan 13
1:45 am - 1:00 pmEZE-IAD
13h 15m1 stop
2:20 pm - 5:35 amIAD-EZE
13h 15m1 stop
$1,418Avianca
Find Deal
Fri, Jan 10 - Mon, Jan 13
2:48 pm - 3:13 amEZE-IAD
14h 25m1 stop
1:12 am - 1:09 amIAD-EZE
21h 57m1 stop
$1,525Copa Airlines
Find Deal
Sat, Jan 11 - Sun, Jan 12
7:45 am - 10:54 amEZE-BWI
29h 09m2 stops
12:00 pm - 9:02 amBWI-EZE
43h 02m2 stops
$1,671LATAM Airlines
Find Deal
Sat, Jan 11 - Mon, Jan 13
6:20 pm - 10:20 amAEP-DCA
42h 00m2 stops
2:30 pm - 9:40 amDCA-AEP
17h 10m2 stops
$1,731LATAM Airlines
Find Deal
Mon, Jan 13 - Thu, Jan 16
2:43 am - 11:28 pmEZE-IAD
22h 45m1 stop
1:12 am - 10:13 pmIAD-EZE
19h 01m1 stop
$1,874Copa Airlines
Find Deal
Fri, Jan 10 - Sun, Jan 12

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

Our best Copa Airlines deals on Buenos Aires to Washington, D.C. flight tickets
Copa Airlines
Apr 1
EZE2:45 pmBuenos Aires Ministro Pistarini
14h 35m
1 stop
IAD4:20 amWashington, D.C. Dulles Intl
May 12
IAD4:34 pmWashington, D.C. Dulles Intl
14h 45m
1 stop
EZE8:19 amBuenos Aires Ministro Pistarini
Copa Airlines
Feb 28
EZE3:58 amBuenos Aires Ministro Pistarini
25h 17m
1 stop
IAD3:15 amWashington, D.C. Dulles Intl
Mar 17
IAD4:34 pmWashington, D.C. Dulles Intl
34h 42m
1 stop
EZE4:16 amBuenos Aires Ministro Pistarini
Copa Airlines
Mar 1
EZE2:43 pmBuenos Aires Ministro Pistarini
25h 28m
1 stop
BWI2:11 pmBaltimore/Washington
Mar 17
BWI4:35 pmBaltimore/Washington
34h 41m
1 stop
EZE4:16 amBuenos Aires Ministro Pistarini

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

Our best Delta deals on Buenos Aires to Washington, D.C. flight tickets
Delta
Mar 26
EZE8:55 pmBuenos Aires Ministro Pistarini
17h 10m
1 stop
BWI1:05 pmBaltimore/Washington
Sep 25
BWI10:00 amBaltimore/Washington
18h 55m
2 stops
EZE5:55 amBuenos Aires Ministro Pistarini
Delta
Mar 20
EZE8:55 pmBuenos Aires Ministro Pistarini
15h 00m
1 stop
BWI10:55 amBaltimore/Washington
Apr 7
BWI2:10 pmBaltimore/Washington
18h 35m
1 stop
EZE9:45 amBuenos Aires Ministro Pistarini
Delta
Jan 22
EZE8:55 pmBuenos Aires Ministro Pistarini
20h 47m
1 stop
BWI3:42 pmBaltimore/Washington
Feb 1
BWI2:01 pmBaltimore/Washington
16h 59m
1 stop
EZE9:00 amBuenos Aires Ministro Pistarini

See travel insights to Washington, D.C. from

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

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 Buenos Aires and Washington, D.C.?

What is the cheapest month to fly to Washington, D.C.?

The month of August is, on average, the cheapest month to fly to Washington, D.C. from Buenos Aires, with most prices found around $791. If you’re not able to fly to Washington, D.C. in August, then October is your next best option. Flight prices from Buenos Aires to Washington, D.C. during October average around $832.

What is the cheapest day to depart on your flight to Washington, D.C.?

On average, the least expensive day to fly to Washington, D.C. from Buenos Aires is on a Thursday. momondo users have found tickets for Thursday departures for as low as $916. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Buenos Aires to Washington, D.C. for around $1,068.

What is the cheapest time of day to depart on your flight to Washington, D.C.?

In the afternoon is the cheapest time of day to fly from Buenos Aires to Washington, D.C. when you can find flight prices for as low as $854. Flying to Washington, D.C. in the afternoon is an ideal time because this is during off-peak travel hours. Try not to purchase tickets in the evening because they tend to be around $1,012. Of course, these prices can vary depending on the time of year and what airport you fly to.

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

As of January 2025, prices for Buenos Aires to Washington, D.C. flights are approximately 16% cheaper when compared to flights at the same time last year.

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

Are you open to changing your travel dates? Check out the ideal times to fly from Buenos Aires to Washington, D.C. according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Buenos Aires to Washington, D.C. (BUE to WAS) flight deals and tips

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

Best Price Found

$350

Fastest flight time

13h 05m

Direct flights

None

Airports in Washington, D.C.

3 airports
The best one-way flight to Washington, D.C. from Buenos Aires in the past 72 hours is $350. The best round-trip flight deal from Buenos Aires to Washington, D.C. found on momondo in the last 72 hours is $699.
The fastest flight from Buenos Aires to Washington, D.C. takes 13h 05m
There are no direct flights from Buenos Aires to Washington, D.C.. Popular non-direct routes for this connection are Buenos Aires Ministro Pistarini Airport - Washington, D.C. Dulles Intl Airport, Buenos Aires Jorge Newbery Airport - Washington, D.C. Dulles Intl Airport and Buenos Aires Jorge Newbery Airport - Baltimore/Washington Airport.
There are 3 airports near Washington, D.C.: Washington, D.C. Reagan-National (DCA), Baltimore/Washington (BWI), Washington, D.C. Dulles Intl (IAD)

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

    Buenos Aires and Washington, D.C. are 5214.3 mi apart from one another. In terms of flight time, this usually takes a little over 13h 05m.

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

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

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

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

    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 Buenos Aires to Washington, D.C..

  • What documentation or ID do you need to fly to Washington, D.C.?

    The travel and health documents required for your trip to Washington, D.C. can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Washington, D.C.. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular airline from Buenos Aires to Washington, D.C.?


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

Compare and see reviews for airlines that fly from Buenos Aires to Washington, D.C. with momondo
Airline
Rating
Free Cancellation
Price
AviancaPriceFrom $630Free CancellationRating
6.9
2,562 reviews
Search Avianca flights
DeltaPriceFrom $713Free CancellationRating
8.0
8,499 reviews
Search Delta flights
Copa AirlinesPriceFrom $747Free CancellationRating
7.6
1,650 reviews
Search Copa Airlines flights
American AirlinesPriceFrom $795Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Buenos Aires to Washington, D.C.?

Finding the right flight to Washington, D.C. from Buenos Aires is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Washington, D.C. quick and easy, saving you time and money.

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

momondo does allow users to show only those flights to Washington, D.C. from Buenos Aires which offer a flexible booking policy as well as other useful filters and features.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Buenos Aires to Washington, D.C..

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

Yes momondo offers price alerts on flights to Washington, D.C. from Buenos Aires. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.


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Find better results for your trip to the United States

Fly into one of these airports located in Washington, D.C.

Airports listed have a maximum distance of 22.4 mi from Washington, D.C.