Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Buenos Aires to Washington, D.C. from $369

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 9/26. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Buenos Aires to Washington, D.C.

Cheap round-trip flights

Enter your travel dates to find the best prices.
Avianca Logo
7:00 am - 2:45 amAEP  Buenos Aires Jorge Newbery-IAD Washington, D.C. Dulles Intl
20h 45m2 stops Bogotá El Dorado San Salvador El Salvador Intl
Avianca Logo
6:50 am - 5:40 amIAD  Washington, D.C. Dulles Intl-AEP Buenos Aires Jorge Newbery
21h 50m1 stop Bogotá El Dorado
$647Avianca
Tue, Oct 20 - Thu, Oct 29
Copa Airlines Logo
5:25 am - 4:20 amEZE  Buenos Aires Ministro Pistarini-IAD Washington, D.C. Dulles Intl
23h 55m1 stop Panama City Tocumen Intl
Copa Airlines Logo
2:25 am - 4:36 amIAD  Washington, D.C. Dulles Intl-EZE Buenos Aires Ministro Pistarini
25h 11m1 stop Panama City Tocumen Intl
$648Copa Airlines
Wed, Sep 30 - Tue, Oct 13
Copa Airlines Logo
8:59 am - 12:32 amEZE  Buenos Aires Ministro Pistarini-IAD Washington, D.C. Dulles Intl
16h 33m1 stop Panama City Tocumen Intl
Copa Airlines Logo
2:25 am - 4:36 amIAD  Washington, D.C. Dulles Intl-EZE Buenos Aires Ministro Pistarini
25h 11m1 stop Panama City Tocumen Intl
$648Copa Airlines
Thu, Oct 1 - Tue, Oct 13
Copa Airlines Logo
4:02 am - 3:15 amEZE  Buenos Aires Ministro Pistarini-IAD Washington, D.C. Dulles Intl
25h 13m1 stop Panama City Tocumen Intl
Copa Airlines Logo
1:16 am - 1:53 amIAD  Washington, D.C. Dulles Intl-EZE Buenos Aires Ministro Pistarini
22h 37m1 stop Panama City Tocumen Intl
$648Copa Airlines
Mon, Nov 9 - Mon, Nov 16
Avianca Logo
7:00 am - 5:20 amAEP  Buenos Aires Jorge Newbery-IAD Washington, D.C. Dulles Intl
23h 20m1 stop Bogotá El Dorado
Avianca Logo
5:50 am - 5:40 amIAD  Washington, D.C. Dulles Intl-AEP Buenos Aires Jorge Newbery
21h 50m1 stop Bogotá El Dorado
$671Avianca
Fri, Oct 16 - Sat, Nov 14
Avianca Logo
7:00 am - 4:20 amAEP  Buenos Aires Jorge Newbery-IAD Washington, D.C. Dulles Intl
22h 20m2 stops Bogotá El Dorado San Salvador El Salvador Intl
Avianca Logo
2:35 pm - 5:40 amIAD  Washington, D.C. Dulles Intl-AEP Buenos Aires Jorge Newbery
13h 05m1 stop Bogotá El Dorado
$684Avianca
Fri, Oct 16 - Sat, Nov 14
Multiple Airlines Logo
7:10 am - 2:15 pmEZE  Buenos Aires Ministro Pistarini-IAD Washington, D.C. Dulles Intl
32h 05m1 stop Bogotá El Dorado
Multiple Airlines Logo
6:30 pm - 10:55 amIAD  Washington, D.C. Dulles Intl-EZE Buenos Aires Ministro Pistarini
14h 25m1 stop New York John F Kennedy Intl
$737Multiple Airlines
Tue, Sep 22 - Thu, Jan 7
Delta Logo
11:35 pm - 3:11 pmEZE  Buenos Aires Ministro Pistarini-IAD Washington, D.C. Dulles Intl
17h 36m1 stop Atlanta Hartsfield-Jackson
Delta Logo
4:15 pm - 9:40 amIAD  Washington, D.C. Dulles Intl-EZE Buenos Aires Ministro Pistarini
15h 25m1 stop Atlanta Hartsfield-Jackson
$739Delta
Sun, Dec 20 - Thu, Dec 31
Delta Logo
8:10 pm - 9:09 amEZE  Buenos Aires Ministro Pistarini-IAD Washington, D.C. Dulles Intl
13h 59m1 stop Atlanta Hartsfield-Jackson
Delta Logo
3:15 pm - 9:40 amIAD  Washington, D.C. Dulles Intl-EZE Buenos Aires Ministro Pistarini
17h 25m2 stops Atlanta Hartsfield-Jackson Miami
$739Delta
Wed, Sep 23 - Thu, Oct 1
LATAM Airlines Logo
7:35 pm - 11:52 amEZE  Buenos Aires Ministro Pistarini-IAD Washington, D.C. Dulles Intl
18h 17m2 stops Santiago Arturo Merino Benitez New York John F Kennedy Intl
LATAM Airlines Logo
6:20 pm - 10:55 amIAD  Washington, D.C. Dulles Intl-EZE Buenos Aires Ministro Pistarini
14h 35m1 stop New York John F Kennedy Intl
$748LATAM Airlines
Tue, Nov 10 - Tue, Nov 17

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

Delta flights from Buenos Aires to Washington, D.C. Dulles Intl Airport

Our best Delta deals on Buenos Aires to Washington, D.C. Dulles Intl Airport flight tickets
Delta
Aug 31
EZE8:10 pmBuenos Aires Ministro Pistarini
14h 10m
1 stop
IAD9:20 amWashington, D.C. Dulles Intl
Sep 9
IAD3:15 pmWashington, D.C. Dulles Intl
17h 25m
2 stops
EZE9:40 amBuenos Aires Ministro Pistarini
$739
Delta
Aug 24
EZE8:10 pmBuenos Aires Ministro Pistarini
14h 10m
1 stop
IAD9:20 amWashington, D.C. Dulles Intl
Sep 6
IAD8:28 amWashington, D.C. Dulles Intl
24h 17m
1 stop
EZE9:45 amBuenos Aires Ministro Pistarini
$742
Delta
Aug 31
EZE8:10 pmBuenos Aires Ministro Pistarini
16h 23m
1 stop
IAD11:33 amWashington, D.C. Dulles Intl
Sep 9
IAD12:26 pmWashington, D.C. Dulles Intl
20h 19m
1 stop
EZE9:45 amBuenos Aires Ministro Pistarini
$792

LATAM Airlines flights from Buenos Aires to Washington, D.C. Dulles Intl Airport

Our best LATAM Airlines deals on Buenos Aires to Washington, D.C. Dulles Intl Airport flight tickets
LATAM Airlines
Nov 10
EZE7:35 pmBuenos Aires Ministro Pistarini
18h 17m
2 stops
IAD11:52 amWashington, D.C. Dulles Intl
Nov 17
IAD6:20 pmWashington, D.C. Dulles Intl
14h 35m
1 stop
EZE10:55 amBuenos Aires Ministro Pistarini
$748
LATAM Airlines
Sep 28
EZE3:55 amBuenos Aires Ministro Pistarini
21h 46m
2 stops
IAD12:41 amWashington, D.C. Dulles Intl
Oct 6
IAD12:30 pmWashington, D.C. Dulles Intl
22h 00m
2 stops
EZE11:30 amBuenos Aires Ministro Pistarini
$763
LATAM Airlines
Dec 21
EZE11:35 pmBuenos Aires Ministro Pistarini
20h 30m
1 stop
IAD6:05 pmWashington, D.C. Dulles Intl
Dec 29
IAD6:00 amWashington, D.C. Dulles Intl
23h 35m
1 stop
EZE7:35 amBuenos Aires Ministro Pistarini
$769

momondo Fare Finder

 
Customize your flight search to find flights from Buenos Aires to Washington, D.C. Dulles Intl 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 August 15, 2026.
Use the filters below to find and compare flights from Buenos Aires to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Buenos AiresWashington, D.C.

AEP Buenos Aires Jorge Newbery - IAD Washington, D.C. Dulles Intl

AEPIAD

Buenos Aires Jorge Newbery

Tue 10/20

7:00 am-2:45 am

2 stops20h 45m

Washington, D.C. Dulles Intl

Thu 10/29

6:50 am-5:40 am

1 stop21h 50m

$647

Buenos AiresWashington, D.C.

EZE Buenos Aires Ministro Pistarini - IAD Washington, D.C. Dulles Intl

EZEIAD

Buenos Aires Ministro Pistarini

Wed 9/30

5:25 am-4:20 am

1 stop23h 55m

Washington, D.C. Dulles Intl

Tue 10/13

2:25 am-4:36 am

1 stop25h 11m

$648

Buenos AiresWashington, D.C.

EZE Buenos Aires Ministro Pistarini - IAD Washington, D.C. Dulles Intl

EZEIAD

Buenos Aires Ministro Pistarini

Thu 10/1

8:59 am-12:32 am

1 stop16h 33m

Washington, D.C. Dulles Intl

Tue 10/13

2:25 am-4:36 am

1 stop25h 11m

$648

Buenos AiresWashington, D.C.

EZE Buenos Aires Ministro Pistarini - IAD Washington, D.C. Dulles Intl

EZEIAD

Buenos Aires Ministro Pistarini

Mon 11/9

4:02 am-3:15 am

1 stop25h 13m

Washington, D.C. Dulles Intl

Mon 11/16

1:16 am-1:53 am

1 stop22h 37m

$648

Buenos AiresWashington, D.C.

AEP Buenos Aires Jorge Newbery - IAD Washington, D.C. Dulles Intl

AEPIAD

Buenos Aires Jorge Newbery

Fri 10/16

7:00 am-5:20 am

1 stop23h 20m

Washington, D.C. Dulles Intl

Sat 11/14

5:50 am-5:40 am

1 stop21h 50m

$671

Buenos AiresWashington, D.C.

AEP Buenos Aires Jorge Newbery - IAD Washington, D.C. Dulles Intl

AEPIAD

Buenos Aires Jorge Newbery

Fri 10/16

7:00 am-4:20 am

2 stops22h 20m

Washington, D.C. Dulles Intl

Sat 11/14

2:35 pm-5:40 am

1 stop13h 05m

$684

Buenos AiresWashington, D.C.

EZE Buenos Aires Ministro Pistarini - IAD Washington, D.C. Dulles Intl

EZEIAD

Buenos Aires Ministro Pistarini

Tue 9/22

7:10 am-2:15 pm

1 stop32h 05m

Washington, D.C. Dulles Intl

Thu 1/7

6:30 pm-10:55 am

1 stop14h 25m

$737

Buenos AiresWashington, D.C.

EZE Buenos Aires Ministro Pistarini - IAD Washington, D.C. Dulles Intl

EZEIAD

Buenos Aires Ministro Pistarini

Sun 12/20

11:35 pm-3:11 pm

1 stop17h 36m

Washington, D.C. Dulles Intl

Thu 12/31

4:15 pm-9:40 am

1 stop15h 25m

$739
Quickest round-trip

Buenos AiresWashington, D.C.

EZE Buenos Aires Ministro Pistarini - IAD Washington, D.C. Dulles Intl

EZEIAD

Buenos Aires Ministro Pistarini

Wed 9/23

8:10 pm-9:09 am

1 stop13h 59m

Washington, D.C. Dulles Intl

Thu 10/1

3:15 pm-9:40 am

2 stops17h 25m

$739

Buenos AiresWashington, D.C.

EZE Buenos Aires Ministro Pistarini - IAD Washington, D.C. Dulles Intl

EZEIAD

Buenos Aires Ministro Pistarini

Tue 11/10

7:35 pm-11:52 am

2 stops18h 17m

Washington, D.C. Dulles Intl

Tue 11/17

6:20 pm-10:55 am

1 stop14h 35m

$748

Flights are sorted by cheapest round-trip flights first.

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

See travel insights to Washington, D.C. from

How to get the cheapest flight ticket from Buenos Aires to Washington, D.C. Dulles Intl 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 Buenos Aires and Washington, D.C. Dulles Intl Airport?

Prices are currently low for flights on this route.

Typical prices usually range from $732 to $851.
The lowest price recently found on this route was $648.

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

In general, September is the cheapest month to fly from Buenos Aires to Washington, D.C. Dulles Intl Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $718. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport during the month of September, then flying in July is also cheap. Prices for this month can be found on momondo for an average of $726.

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

You could potentially save up to 25% on your flight if you consider stops on a Buenos Aires to Washington, D.C. Dulles Intl Airport flight.

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

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

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

Fastest flight time

13h 41m

Direct flights

None
The fastest flight from Buenos Aires to Washington, D.C. Dulles Intl Airport takes 13h 41m
There are no direct flights from Buenos Aires to Washington, D.C. Dulles Intl Airport. There are no popular flight routes from Buenos Aires to Washington, D.C. Dulles Intl Airport.
Search flight deals

Frequently asked questions about flying from Buenos Aires to Washington, D.C. Dulles Intl Airport

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

    The distance between Buenos Aires and Washington, D.C. Dulles Intl is about 5223.3 mi. Flights usually cover this in 13h 41m, depending on flying conditions and air traffic around both airports.

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

    Prices for flights from Buenos Aires to Washington, D.C. Dulles Intl Airport refresh daily.

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

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

    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. Dulles Intl Airport.

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

    The travel and health documents you'll need for your trip to Washington, D.C. Dulles Intl 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 Washington, D.C. Dulles Intl 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 Buenos Aires to Washington, D.C. Dulles Intl Airport?

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

Compare and see reviews for airlines that fly from Buenos Aires to Washington, D.C. Dulles Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
AviancaPriceFrom $232Free CancellationRating
6.5
2,539 reviews
Search Avianca flights
DeltaPriceFrom $315Free CancellationRating
7.8
8,508 reviews
Search Delta flights
Copa AirlinesPriceFrom $378Free CancellationRating
7.6
1,556 reviews
Search Copa Airlines flights

Traveling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
National Harbor
Arlington
Gettysburg
Winchester
Waldorf
Laurel
Woodbridge
Fredericksburg
Gaithersburg
Linthicum Heights
Rockville
Silver Spring
Towson
Sterling
Colonial Beach
Springfield
Fairfax
Tysons
Edgewood

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Buenos Aires to Washington, D.C. for you.

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.?

Once all potential Buenos Aires to Washington, D.C. 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 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.

An easier way to manage your Washington, D.C. Dulles Intl 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
Mon 9/14
Mon 9/21
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Washington, D.C.