Which layover airport offers the lowest fares from Buenos Aires to Washington, D.C. Dulles Intl Airport?

Flights via Bogotá (BOG) offer the lowest average round-trip price of $682.

Which airport is the most popular layover for flights between Buenos Aires and Washington, D.C. Dulles Intl Airport?

Houston (IAH) was the most common stop: 38% of momondo users choosing 1-stop flights on this route connected there.

What airlines fly to Washington, D.C. Dulles Intl Airport?

Avianca, Copa Airlines and Delta are the top three most popular airlines that fly to Washington, D.C. Dulles Intl Airport from Buenos Aires according to our data. Avianca is the first choice among our users, with 40% of people opting to fly with this airline when traveling to Washington, D.C. Dulles Intl Airport. Keep in mind that there are 3 different airlines that fly to Washington, D.C. Dulles Intl Airport on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Buenos Aires to Washington, D.C. Dulles Intl?

Avianca is the most popular carrier operating from Buenos Aires to Washington, D.C. Dulles Intl

Which layover airport has the shortest travel time from Buenos Aires to Washington, D.C. Dulles Intl Airport?

Flights connecting via Bogotá (BOG) have the shortest average one-way travel time: 13h 20m.

Which layover airport has the shortest connection time from Buenos Aires to Washington, D.C. Dulles Intl Airport?

Bogotá (BOG) has the shortest average layover time for this route: 1h 35m.

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

There are 3 operators available for flights from Buenos Aires to Washington, D.C. Dulles Intl Airport as of March 2026.

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.

$397 Cheap Flights from Buenos Aires to Washington, D.C. Dulles Intl Airport in 2026

Q: 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 $728 to $914. The lowest price recently found on this route was $677.

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

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

5:45 am - 5:20 am

AEP

IAD

24h 35m

2 stops

3:35 pm - 5:40 am

IAD

AEP

13h 05m

1 stop

$677Multiple Airlines

Mon, Apr 27 - Thu, May 7

4:50 pm - 5:20 am

EZE

IAD

13h 30m

1 stop

6:50 am - 5:40 am

IAD

EZE

21h 50m

1 stop

$688Avianca

Wed, Apr 22 - Tue, May 5

4:50 pm - 5:20 am

EZE

IAD

13h 30m

1 stop

6:50 am - 5:40 am

IAD

EZE

21h 50m

1 stop

$692Avianca

Wed, Apr 22 - Tue, May 5

4:50 pm - 5:20 am

EZE

IAD

13h 30m

1 stop

6:50 am - 5:40 am

IAD

EZE

21h 50m

1 stop

$694Avianca

Tue, Apr 14 - Fri, Apr 17

5:45 am - 5:20 am

AEP

IAD

24h 35m

2 stops

6:50 am - 5:40 am

IAD

AEP

21h 50m

1 stop

$710Multiple Airlines

Thu, Apr 23 - Sun, May 3

4:50 pm - 5:20 am

EZE

IAD

13h 30m

1 stop

6:50 am - 5:40 am

IAD

EZE

21h 50m

1 stop

$710Avianca

Sun, Apr 19 - Fri, Apr 24

7:10 am - 2:15 pm

EZE

IAD

32h 05m

1 stop

6:50 am - 12:25 am

IAD

EZE

16h 35m

1 stop

$714Avianca

Sun, Apr 19 - Wed, Apr 29

7:10 am - 5:20 am

EZE

IAD

23h 10m

1 stop

6:50 am - 5:40 am

IAD

EZE

21h 50m

1 stop

$715Avianca

Wed, Apr 15 - Fri, Apr 17

4:50 pm - 5:20 am

EZE

IAD

13h 30m

1 stop

6:50 am - 5:40 am

IAD

EZE

21h 50m

1 stop

$723Avianca

Tue, Apr 14 - Fri, Apr 17

9:35 am - 5:20 am

AEP

IAD

20h 45m

2 stops

6:50 am - 5:40 am

IAD

AEP

21h 50m

1 stop

$726Multiple Airlines

Tue, Apr 14 - Fri, Apr 17

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

Our best Copa Airlines deals on Buenos Aires to Washington, D.C. Dulles Intl Airport flight tickets

Copa Airlines

Apr 30

EZE2:57 pmBuenos Aires Ministro Pistarini

14h 25m

1 stop

IAD4:22 amWashington, D.C. Dulles Intl

May 6

IAD2:21 amWashington, D.C. Dulles Intl

19h 04m

1 stop

EZE10:25 pmBuenos Aires Ministro Pistarini

$791

Copa Airlines

Apr 15

EZE9:11 amBuenos Aires Ministro Pistarini

16h 23m

1 stop

IAD12:34 amWashington, D.C. Dulles Intl

Apr 29

IAD2:21 amWashington, D.C. Dulles Intl

21h 29m

1 stop

EZE12:50 amBuenos Aires Ministro Pistarini

$801

Copa Airlines

May 7

EZE2:49 pmBuenos Aires Ministro Pistarini

14h 32m

1 stop

IAD4:21 amWashington, D.C. Dulles Intl

Jun 24

IAD4:38 pmWashington, D.C. Dulles Intl

14h 13m

1 stop

EZE7:51 amBuenos Aires Ministro Pistarini

$822

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

Apr 19

EZE1:10 pmBuenos Aires Ministro Pistarini

29h 58m

2 stops

IAD6:08 pmWashington, D.C. Dulles Intl

Apr 29

IAD3:00 pmWashington, D.C. Dulles Intl

17h 45m

1 stop

EZE9:45 amBuenos Aires Ministro Pistarini

$804

Delta

Apr 21

EZE8:10 pmBuenos Aires Ministro Pistarini

18h 54m

1 stop

IAD2:04 pmWashington, D.C. Dulles Intl

Apr 23

IAD5:27 pmWashington, D.C. Dulles Intl

15h 18m

1 stop

EZE9:45 amBuenos Aires Ministro Pistarini

$813

Delta

Mar 23

EZE10:25 pmBuenos Aires Ministro Pistarini

15h 14m

1 stop

IAD12:39 pmWashington, D.C. Dulles Intl

Mar 25

IAD12:47 pmWashington, D.C. Dulles Intl

19h 48m

2 stops

EZE9:35 amBuenos Aires Ministro Pistarini

$963

momondo Fare Finder

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 - IAD

AEPIAD

Buenos Aires Jorge Newbery

Mon 4/27

5:45 am-5:20 am

2 stops24h 35m

Washington, D.C. Dulles Intl

Thu 5/7

3:35 pm-5:40 am

1 stop13h 05m

$677

Quickest round-trip

Buenos AiresWashington, D.C.

EZE - IAD

EZEIAD

Buenos Aires Ministro Pistarini

Wed 4/22

4:50 pm-5:20 am

1 stop13h 30m

Washington, D.C. Dulles Intl

Tue 5/5

6:50 am-5:40 am

1 stop21h 50m

$688

Buenos AiresWashington, D.C.

EZE - IAD

EZEIAD

Buenos Aires Ministro Pistarini

Wed 4/22

4:50 pm-5:20 am

1 stop13h 30m

Washington, D.C. Dulles Intl

Tue 5/5

6:50 am-5:40 am

1 stop21h 50m

$692

Buenos AiresWashington, D.C.

EZE - IAD

EZEIAD

Buenos Aires Ministro Pistarini

Tue 4/14

4:50 pm-5:20 am

1 stop13h 30m

Washington, D.C. Dulles Intl

Fri 4/17

6:50 am-5:40 am

1 stop21h 50m

$694

Buenos AiresWashington, D.C.

AEP - IAD

AEPIAD

Buenos Aires Jorge Newbery

Thu 4/23

5:45 am-5:20 am

2 stops24h 35m

Washington, D.C. Dulles Intl

Sun 5/3

6:50 am-5:40 am

1 stop21h 50m

$710

Buenos AiresWashington, D.C.

EZE - IAD

EZEIAD

Buenos Aires Ministro Pistarini

Sun 4/19

4:50 pm-5:20 am

1 stop13h 30m

Washington, D.C. Dulles Intl

Fri 4/24

6:50 am-5:40 am

1 stop21h 50m

$710

Buenos AiresWashington, D.C.

EZE - IAD

EZEIAD

Buenos Aires Ministro Pistarini

Sun 4/19

7:10 am-2:15 pm

1 stop32h 05m

Washington, D.C. Dulles Intl

Wed 4/29

6:50 am-12:25 am

1 stop16h 35m

$714

Buenos AiresWashington, D.C.

EZE - IAD

EZEIAD

Buenos Aires Ministro Pistarini

Wed 4/15

7:10 am-5:20 am

1 stop23h 10m

Washington, D.C. Dulles Intl

Fri 4/17

6:50 am-5:40 am

1 stop21h 50m

$715

Buenos AiresWashington, D.C.

EZE - IAD

EZEIAD

Buenos Aires Ministro Pistarini

Tue 4/14

4:50 pm-5:20 am

1 stop13h 30m

Washington, D.C. Dulles Intl

Fri 4/17

6:50 am-5:40 am

1 stop21h 50m

$723

Buenos AiresWashington, D.C.

AEP - IAD

AEPIAD

Buenos Aires Jorge Newbery

Tue 4/14

9:35 am-5:20 am

2 stops20h 45m

Washington, D.C. Dulles Intl

Fri 4/17

6:50 am-5:40 am

1 stop21h 50m

$726

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

Layovers

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

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

In general, November 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 November, then flying in June is also cheap. Prices for this month can be found on momondo for an average of $738.

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

You could potentially save up to 4% 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 30m
Direct flights	None

The fastest flight from Buenos Aires to Washington, D.C. Dulles Intl Airport takes 13h 30m

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

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 30m, 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?
There are 3 operators available for flights from Buenos Aires to Washington, D.C. Dulles Intl Airport as of March 2026.
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?
Based on momondo bookings for flights between Buenos Aires and Washington, D.C. Dulles Intl Airport, the leading airline is Copa Airlines, making up 56% of the total bookings. Other popular airlines include Avianca with 44%.

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
Avianca	PriceFrom $252	Free Cancellation	Rating 6.5 2,503 reviews	Search Avianca flights
Delta	PriceFrom $270	Free Cancellation	Rating 7.9 8,312 reviews	Search Delta flights
Copa Airlines	PriceFrom $378	Free Cancellation	Rating 7.5 1,572 reviews	Search Copa Airlines flights

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Laurel

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Fredericksburg

Rockville

Tysons

Manassas

Springfield

Linthicum Heights

Bethesda

Sterling

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.

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Cheap flights from Buenos Aires to Washington, D.C. from $397

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 6/6. 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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Copa Airlines flights from Buenos Aires to Washington, D.C. Dulles Intl Airport

Our best Copa Airlines deals on Buenos Aires to Washington, D.C. Dulles Intl Airport flight tickets

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

momondo Fare Finder

Use the filters below to find and compare flights from Buenos Aires to Washington, D.C. Dulles Intl Airport that are best for you.

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

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

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

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

What is the cheapest airline that flies from Buenos Aires to Washington, D.C. Dulles Intl?

What airlines fly to Washington, D.C. Dulles Intl Airport?

Which airport is the most popular layover for flights between Buenos Aires and Washington, D.C. Dulles Intl Airport?

Which layover airport offers the lowest fares from Buenos Aires to Washington, D.C. Dulles Intl Airport?

Which layover airport has the shortest travel time from Buenos Aires to Washington, D.C. Dulles Intl Airport?

Which layover airport has the shortest connection time from Buenos Aires to Washington, D.C. Dulles Intl Airport?

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

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

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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

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An easier way to manage your Washington, D.C. Dulles Intl Airport trip

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