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.

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

Copa Airlines, Delta and Avianca are the top three most popular airlines that fly to Washington, D.C. Dulles Intl Airport from Buenos Aires according to our data. Copa Airlines 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.

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 23m.

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

Bogotá (BOG) was the most common stop: 73% of momondo users choosing 1-stop flights on this route connected there.

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

Avianca, Copa Airlines, and Delta are the most popular carriers 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.

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 June 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.

$352 Cheap Flights from Buenos Aires to Washington, D.C. Dulles Intl Airport in 2026

Discover deals from 900+ travel sites with momondo.

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.

9:05 pm - 5:04 pm

EZE

IAD

20h 59m

2 stops

10:27 am - 8:45 am

IAD

EZE

21h 18m

2 stops

$616American Airlines

Tue, Aug 4 - Thu, Aug 20

1:35 am - 2:15 pm

EZE

IAD

13h 40m

1 stop

6:50 am - 12:25 am

IAD

EZE

16h 35m

1 stop

$628Avianca

Wed, Aug 5 - Mon, Aug 24

1:35 am - 2:15 pm

EZE

IAD

13h 40m

1 stop

4:10 am - 12:25 am

IAD

EZE

19h 15m

2 stops

$630Avianca

Wed, Aug 5 - Sun, Aug 16

7:00 am - 2:45 am

AEP

IAD

20h 45m

2 stops

6:50 am - 5:40 am

IAD

AEP

21h 50m

1 stop

$630Avianca

Tue, Aug 4 - Tue, Aug 18

12:06 am - 11:33 pm

EZE

IAD

25h 27m

1 stop

1:16 am - 4:15 am

IAD

EZE

24h 59m

1 stop

$631Copa Airlines

Tue, Nov 10 - Sun, Nov 22

4:55 pm - 4:25 am

EZE

IAD

13h 30m

1 stop

2:35 pm - 5:50 am

IAD

EZE

13h 15m

1 stop

$639Avianca

Thu, Nov 5 - Mon, Nov 16

9:00 pm - 11:28 am

EZE

IAD

15h 28m

1 stop

8:31 am - 8:00 am

IAD

EZE

22h 29m

1 stop

$643United Airlines

Sun, Aug 16 - Wed, Aug 26

1:35 am - 2:15 pm

EZE

IAD

13h 40m

1 stop

6:50 am - 12:25 am

IAD

EZE

16h 35m

1 stop

$647Avianca

Wed, Aug 5 - Mon, Aug 24

4:50 pm - 5:20 am

EZE

IAD

13h 30m

1 stop

5:35 pm - 3:40 pm

IAD

EZE

21h 05m

2 stops

$649Avianca

Thu, Aug 6 - Mon, Aug 24

7:00 am - 2:40 am

AEP

IAD

20h 40m

2 stops

5:50 am - 5:40 am

IAD

AEP

21h 50m

1 stop

$649Avianca

Wed, Oct 28 - Thu, Nov 12

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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

Jul 13

EZE10:40 pmBuenos Aires Ministro Pistarini

19h 06m

2 stops

IAD4:46 pmWashington, D.C. Dulles Intl

Jul 17

IAD7:26 pmWashington, D.C. Dulles Intl

13h 19m

1 stop

EZE9:45 amBuenos Aires Ministro Pistarini

$731

Delta

Jul 7

EZE8:10 pmBuenos Aires Ministro Pistarini

14h 16m

1 stop

IAD9:26 amWashington, D.C. Dulles Intl

Oct 6

IAD1:00 pmWashington, D.C. Dulles Intl

19h 40m

2 stops

EZE9:40 amBuenos Aires Ministro Pistarini

$739

Delta

Jul 10

EZE8:10 pmBuenos Aires Ministro Pistarini

14h 50m

1 stop

IAD10:00 amWashington, D.C. Dulles Intl

Oct 8

IAD4:00 pmWashington, D.C. Dulles Intl

16h 40m

2 stops

EZE9:40 amBuenos Aires Ministro Pistarini

$749

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

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

Avianca

Aug 5

EZE1:35 amBuenos Aires Ministro Pistarini

13h 40m

1 stop

IAD2:15 pmWashington, D.C. Dulles Intl

Aug 24

IAD6:50 amWashington, D.C. Dulles Intl

16h 35m

1 stop

EZE12:25 amBuenos Aires Ministro Pistarini

$628

Avianca

Aug 5

EZE1:35 amBuenos Aires Ministro Pistarini

13h 40m

1 stop

IAD2:15 pmWashington, D.C. Dulles Intl

Aug 16

IAD4:10 amWashington, D.C. Dulles Intl

19h 15m

2 stops

EZE12:25 amBuenos Aires Ministro Pistarini

$630

Avianca

Nov 5

EZE4:55 pmBuenos Aires Ministro Pistarini

13h 30m

1 stop

IAD4:25 amWashington, D.C. Dulles Intl

Nov 16

IAD2:35 pmWashington, D.C. Dulles Intl

13h 15m

1 stop

EZE5:50 amBuenos Aires Ministro Pistarini

$639

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.

EZE - IAD

EZEIAD

Buenos Aires Ministro Pistarini

Tue 8/4

9:05 pm-5:04 pm

2 stops20h 59m

Washington, D.C. Dulles Intl

Thu 8/20

10:27 am-8:45 am

2 stops21h 18m

$616

Buenos AiresWashington, D.C.

EZE - IAD

EZEIAD

Buenos Aires Ministro Pistarini

Wed 8/5

1:35 am-2:15 pm

1 stop13h 40m

Washington, D.C. Dulles Intl

Mon 8/24

6:50 am-12:25 am

1 stop16h 35m

$628

Buenos AiresWashington, D.C.

EZE - IAD

EZEIAD

Buenos Aires Ministro Pistarini

Wed 8/5

1:35 am-2:15 pm

1 stop13h 40m

Washington, D.C. Dulles Intl

Sun 8/16

4:10 am-12:25 am

2 stops19h 15m

$630

Buenos AiresWashington, D.C.

AEP - IAD

AEPIAD

Buenos Aires Jorge Newbery

Tue 8/4

7:00 am-2:45 am

2 stops20h 45m

Washington, D.C. Dulles Intl

Tue 8/18

6:50 am-5:40 am

1 stop21h 50m

$630

Buenos AiresWashington, D.C.

EZE - IAD

EZEIAD

Buenos Aires Ministro Pistarini

Tue 11/10

12:06 am-11:33 pm

1 stop25h 27m

Washington, D.C. Dulles Intl

Sun 11/22

1:16 am-4:15 am

1 stop24h 59m

$631

Quickest round-trip

Buenos AiresWashington, D.C.

EZE - IAD

EZEIAD

Buenos Aires Ministro Pistarini

Thu 11/5

4:55 pm-4:25 am

1 stop13h 30m

Washington, D.C. Dulles Intl

Mon 11/16

2:35 pm-5:50 am

1 stop13h 15m

$639

Buenos AiresWashington, D.C.

EZE - IAD

EZEIAD

Buenos Aires Ministro Pistarini

Sun 8/16

9:00 pm-11:28 am

1 stop15h 28m

Washington, D.C. Dulles Intl

Wed 8/26

8:31 am-8:00 am

1 stop22h 29m

$643

Buenos AiresWashington, D.C.

EZE - IAD

EZEIAD

Buenos Aires Ministro Pistarini

Wed 8/5

1:35 am-2:15 pm

1 stop13h 40m

Washington, D.C. Dulles Intl

Mon 8/24

6:50 am-12:25 am

1 stop16h 35m

$647

Buenos AiresWashington, D.C.

EZE - IAD

EZEIAD

Buenos Aires Ministro Pistarini

Thu 8/6

4:50 pm-5:20 am

1 stop13h 30m

Washington, D.C. Dulles Intl

Mon 8/24

5:35 pm-3:40 pm

2 stops21h 05m

$649

Buenos AiresWashington, D.C.

AEP - IAD

AEPIAD

Buenos Aires Jorge Newbery

Wed 10/28

7:00 am-2:40 am

2 stops20h 40m

Washington, D.C. Dulles Intl

Thu 11/12

5:50 am-5:40 am

1 stop21h 50m

$649

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

In general, December 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 $232. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport during the month of December, then flying in July is also cheap. Prices for this month can be found on momondo for an average of $273.

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

You could potentially save up to 65% 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

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 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 June 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 Avianca, making up 100% of the total bookings.

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 $232	Free Cancellation	Rating 6.5 2,528 reviews	Search Avianca flights
Delta	PriceFrom $344	Free Cancellation	Rating 7.8 8,449 reviews	Search Delta flights
Copa Airlines	PriceFrom $378	Free Cancellation	Rating 7.6 1,566 reviews	Search Copa Airlines flights

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Springfield

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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 $352

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 7/13. 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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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

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

Our best Avianca 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 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

Direct flights

Frequently asked questions about flying 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

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

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

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