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

United Airlines, Alaska Airlines and Delta are the top three most popular airlines that fly to Washington, D.C. Dulles Intl Airport from Boise according to our data. United Airlines is the first choice among our users, with 52% of people opting to fly with this airline when traveling to Washington, D.C. Dulles Intl Airport. Keep in mind that there are 4 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 Boise Air Term. Gowen Fld to Washington, D.C. Dulles Intl?

Delta, United Airlines, and American Airlines are the most popular carriers operating from Boise Air Term. Gowen Fld to Washington, D.C. Dulles Intl

When did momondo last update prices for flights from Boise Air Term. Gowen Fld Airport to Washington, D.C. Dulles Intl Airport?

Prices for flights from Boise Air Term. Gowen Fld Airport to Washington, D.C. Dulles Intl Airport are updated daily.

How many operators does momondo search for flights from Boise Air Term. Gowen Fld Airport to Washington, D.C. Dulles Intl Airport?

The number of operators available for flights from Boise Air Term. Gowen Fld Airport to Washington, D.C. Dulles Intl Airport is 4 as of March 2026.

How old do you have to be to fly from Boise Air Term. Gowen Fld Airport 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 Boise Air Term. Gowen Fld Airport 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 required for your trip to Washington, D.C. Dulles Intl Airport 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. Dulles Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$122 Cheap Flights from Boise to Washington, D.C. Dulles Intl Airport in 2026

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

Prices are currently low for flights on this route. Typical prices usually range from $445 to $273. The lowest price recently found on this route was $243.

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Boise to Washington, D.C.

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

1:52 pm - 11:55 pm

BOI

IAD

8h 03m

1 stop

3:00 pm - 10:28 pm

IAD

BOI

9h 28m

1 stop

$243Delta

Wed, Apr 15 - Wed, Apr 29

12:55 pm - 12:51 am

BOI

IAD

9h 56m

2 stops

7:00 am - 2:41 pm

IAD

BOI

9h 41m

1 stop

$248Delta

Wed, May 27 - Tue, Jun 2

8:40 pm - 10:18 am

BOI

IAD

11h 38m

2 stops

10:11 am - 9:56 pm

IAD

BOI

13h 45m

2 stops

$253Delta

Wed, Apr 15 - Wed, Apr 22

6:00 am - 11:40 pm

BOI

IAD

15h 40m

2 stops

5:30 pm - 11:30 pm

IAD

BOI

8h 00m

1 stop

$254Southwest

Tue, Apr 21 - Tue, Apr 28

2:18 pm - 12:27 am

BOI

IAD

8h 09m

1 stop

12:12 pm - 8:29 pm

IAD

BOI

10h 17m

1 stop

$257Delta

Sat, Apr 25 - Tue, Apr 28

6:00 am - 11:40 pm

BOI

IAD

15h 40m

2 stops

4:30 pm - 12:25 am

IAD

BOI

9h 55m

2 stops

$259Southwest

Tue, Apr 21 - Tue, Apr 28

1:52 pm - 11:55 pm

BOI

IAD

8h 03m

1 stop

6:00 am - 2:26 pm

IAD

BOI

10h 26m

2 stops

$262Delta

Sat, Apr 25 - Tue, Apr 28

1:52 pm - 11:55 pm

BOI

IAD

8h 03m

1 stop

3:00 pm - 10:28 pm

IAD

BOI

9h 28m

1 stop

$267Delta

Thu, Apr 23 - Wed, Apr 29

3:23 pm - 11:32 pm

BOI

IAD

6h 09m

1 stop

12:12 pm - 8:29 pm

IAD

BOI

10h 17m

1 stop

$271Delta

Sat, Apr 25 - Tue, Apr 28

1:52 pm - 11:55 pm

BOI

IAD

8h 03m

1 stop

11:04 am - 10:24 pm

IAD

BOI

13h 20m

2 stops

$272Delta

Thu, Apr 23 - Wed, Apr 29

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

Our best Delta deals on Boise to Washington, D.C. Dulles Intl Airport flight tickets

Delta

Apr 15

BOI1:52 pmBoise Air Term. Gowen Fld

8h 03m

1 stop

IAD11:55 pmWashington, D.C. Dulles Intl

Apr 28

IAD7:00 amWashington, D.C. Dulles Intl

8h 12m

1 stop

BOI1:12 pmBoise Air Term. Gowen Fld

$243

Delta

May 27

BOI12:55 pmBoise Air Term. Gowen Fld

9h 56m

2 stops

IAD12:51 amWashington, D.C. Dulles Intl

Jun 2

IAD7:00 amWashington, D.C. Dulles Intl

9h 41m

1 stop

BOI2:41 pmBoise Air Term. Gowen Fld

$248

Delta

Apr 21

BOI8:40 pmBoise Air Term. Gowen Fld

11h 38m

2 stops

IAD10:18 amWashington, D.C. Dulles Intl

Apr 28

IAD6:00 amWashington, D.C. Dulles Intl

10h 26m

2 stops

BOI2:26 pmBoise Air Term. Gowen Fld

$253

American Airlines flights from Boise to Washington, D.C. Dulles Intl Airport

Our best American Airlines deals on Boise to Washington, D.C. Dulles Intl Airport flight tickets

American Airlines

Apr 29

BOI6:26 pmBoise Air Term. Gowen Fld

12h 23m

2 stops

IAD8:49 amWashington, D.C. Dulles Intl

May 2

IAD7:00 amWashington, D.C. Dulles Intl

8h 03m

1 stop

BOI1:03 pmBoise Air Term. Gowen Fld

$306

American Airlines

Apr 29

BOI6:26 pmBoise Air Term. Gowen Fld

12h 23m

2 stops

IAD8:49 amWashington, D.C. Dulles Intl

May 2

IAD7:00 amWashington, D.C. Dulles Intl

8h 03m

1 stop

BOI1:03 pmBoise Air Term. Gowen Fld

$311

American Airlines

Apr 15

BOI1:41 pmBoise Air Term. Gowen Fld

7h 45m

1 stop

IAD11:26 pmWashington, D.C. Dulles Intl

Apr 25

IAD7:00 amWashington, D.C. Dulles Intl

8h 03m

1 stop

BOI1:03 pmBoise Air Term. Gowen Fld

$312

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BoiseWashington, D.C.

BOI - IAD

BOIIAD

Boise Air Term. Gowen Fld

Wed 4/15

1:52 pm-11:55 pm

1 stop8h 03m

Washington, D.C. Dulles Intl

Wed 4/29

3:00 pm-10:28 pm

1 stop9h 28m

$243

BoiseWashington, D.C.

BOI - IAD

BOIIAD

Boise Air Term. Gowen Fld

Wed 5/27

12:55 pm-12:51 am

2 stops9h 56m

Washington, D.C. Dulles Intl

Tue 6/2

7:00 am-2:41 pm

1 stop9h 41m

$248

BoiseWashington, D.C.

BOI - IAD

BOIIAD

Boise Air Term. Gowen Fld

Wed 4/15

8:40 pm-10:18 am

2 stops11h 38m

Washington, D.C. Dulles Intl

Wed 4/22

10:11 am-9:56 pm

2 stops13h 45m

$253

BoiseWashington, D.C.

BOI - IAD

BOIIAD

Boise Air Term. Gowen Fld

Tue 4/21

6:00 am-11:40 pm

2 stops15h 40m

Washington, D.C. Dulles Intl

Tue 4/28

5:30 pm-11:30 pm

1 stop8h 00m

$254

BoiseWashington, D.C.

BOI - IAD

BOIIAD

Boise Air Term. Gowen Fld

Sat 4/25

2:18 pm-12:27 am

1 stop8h 09m

Washington, D.C. Dulles Intl

Tue 4/28

12:12 pm-8:29 pm

1 stop10h 17m

$257

BoiseWashington, D.C.

BOI - IAD

BOIIAD

Boise Air Term. Gowen Fld

Tue 4/21

6:00 am-11:40 pm

2 stops15h 40m

Washington, D.C. Dulles Intl

Tue 4/28

4:30 pm-12:25 am

2 stops9h 55m

$259

BoiseWashington, D.C.

BOI - IAD

BOIIAD

Boise Air Term. Gowen Fld

Sat 4/25

1:52 pm-11:55 pm

1 stop8h 03m

Washington, D.C. Dulles Intl

Tue 4/28

6:00 am-2:26 pm

2 stops10h 26m

$262

BoiseWashington, D.C.

BOI - IAD

BOIIAD

Boise Air Term. Gowen Fld

Thu 4/23

1:52 pm-11:55 pm

1 stop8h 03m

Washington, D.C. Dulles Intl

Wed 4/29

3:00 pm-10:28 pm

1 stop9h 28m

$267

Quickest round-trip

BoiseWashington, D.C.

BOI - IAD

BOIIAD

Boise Air Term. Gowen Fld

Sat 4/25

3:23 pm-11:32 pm

1 stop6h 09m

Washington, D.C. Dulles Intl

Tue 4/28

12:12 pm-8:29 pm

1 stop10h 17m

$271

BoiseWashington, D.C.

BOI - IAD

BOIIAD

Boise Air Term. Gowen Fld

Thu 4/23

1:52 pm-11:55 pm

1 stop8h 03m

Washington, D.C. Dulles Intl

Wed 4/29

11:04 am-10:24 pm

2 stops13h 20m

$272

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 Boise 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

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

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

In general, May is the cheapest month to fly from Boise 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 $321. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport during the month of May, then flying in April is also cheap. Prices for this month can be found on momondo for an average of $365.

How have Boise to Washington, D.C. Dulles Intl Airport flight prices changed over time?

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

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

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

Fastest flight time	6h 09m
Direct flights	None

The fastest flight from Boise to Washington, D.C. Dulles Intl Airport takes 6h 09m

There are no direct flights from Boise to Washington, D.C. Dulles Intl Airport. There are no popular flight routes from Boise to Washington, D.C. Dulles Intl Airport.

Search flight deals

How far is Boise Air Term. Gowen Fld to Washington, D.C. Dulles Intl by plane?
A flight from Boise Air Term. Gowen Fld to Washington, D.C. Dulles Intl will travel around 2017.8 mi. In terms of flight time, this usually takes a little over 6h 09m.
When did momondo last update prices for flights from Boise Air Term. Gowen Fld Airport to Washington, D.C. Dulles Intl Airport?
Prices for flights from Boise Air Term. Gowen Fld Airport to Washington, D.C. Dulles Intl Airport are updated daily.
How many operators does momondo search for flights from Boise Air Term. Gowen Fld Airport to Washington, D.C. Dulles Intl Airport?
The number of operators available for flights from Boise Air Term. Gowen Fld Airport to Washington, D.C. Dulles Intl Airport is 4 as of March 2026.
How old do you have to be to fly from Boise Air Term. Gowen Fld Airport 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 Boise Air Term. Gowen Fld Airport 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 required for your trip to Washington, D.C. Dulles Intl Airport 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. Dulles Intl Airport. 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 Boise to Washington, D.C. Dulles Intl Airport?
momondo data reveals that the most frequently booked airline on the route from Boise to Washington, D.C. Dulles Intl Airport is United Airlines, representing 52% of all bookings. The subsequent popular airlines are Alaska Airlines at 21%, Delta at 15%, and Southwest at 13%.

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

Compare and see reviews for airlines that fly from Boise to Washington, D.C. Dulles Intl Airport with momondo

Airline	Rating	Free Cancellation	Price
Alaska Airlines	PriceFrom $141	Free Cancellation	Rating 7.9 12,138 reviews	Search Alaska Airlines flights
Delta	PriceFrom $232	Free Cancellation	Rating 7.9 8,359 reviews	Search Delta flights
United Airlines	PriceFrom $278	Free Cancellation	Rating 7.4 9,512 reviews	Search United Airlines flights
Southwest	PriceFrom $340	Free Cancellation	Rating 8.0 4,331 reviews	Search Southwest flights

Alexandria

National Harbor

Gettysburg

Arlington

Winchester

Waldorf

Woodbridge

Laurel

Colonial Beach

Gaithersburg

Towson

Silver Spring

Fredericksburg

Rockville

Tysons

Manassas

Sterling

Linthicum Heights

Springfield

Bethesda

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Washington, D.C. from Boise.

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

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

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

momondo helps you find the best flight between Boise and Washington, D.C. by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Of course. momondo tracks the price of Boise to Washington, D.C. flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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

Tue 4/28

Tue 5/5

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

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

Popular cities

Other flights from Boise

Other flights to Washington, D.C.

Airlines

Cabin classes

Complete your trip

Feeling lucky

Popular cities in the United States

Flights to New York John F Kennedy Intl Airportfrom $109

Flights to Newark Airportfrom $56

Flights to New York LaGuardia Airportfrom $55

Flights to Chicago O'Hare Intl Airportfrom $65

Flights to Dallas/Fort Worth Airportfrom $49

Flights to Washington, D.C. Reagan-National Airportfrom $86

Flights to Orlando Airportfrom $51

Flights to Chicago Midway Airportfrom $56

Flights to Dallas Love Field Airport

Flights to Chicago Greater Rockford Airport

Cheap flights from Boise to Washington, D.C. from $122

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Boise to Washington, D.C. departing on 4/29. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from Boise to Washington, D.C.

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

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

Our best Delta deals on Boise to Washington, D.C. Dulles Intl Airport flight tickets

American Airlines flights from Boise to Washington, D.C. Dulles Intl Airport

Our best American Airlines deals on Boise to Washington, D.C. Dulles Intl Airport flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Boise 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 Boise to Washington, D.C. Dulles Intl Airport

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

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

How have Boise to Washington, D.C. Dulles Intl Airport flight prices changed over time?

What is the cheapest airline that flies from Boise Air Term. Gowen Fld to Washington, D.C. Dulles Intl?

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

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

Cheap Boise to Washington, D.C. Dulles Intl Airport (BOI to IAD) flight deals and tips

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

Fastest flight time

Direct flights

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

Compare and see reviews for airlines that fly from Boise to Washington, D.C. Dulles Intl Airport with momondo

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

Why use momondo?

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.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

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

Popular cities in the United States

Popular flights according to clicks in the last 7 days on momondo

Boise flight routes

According to popular flight searches on momondo this year

Washington, D.C. Dulles Intl Airport flight routes

According to popular flight searches on momondo this year

Fly your favorite airline to Washington, D.C.

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Washington, D.C.

List of cabin classes available on flights landing in Washington, D.C.. Availability may vary depending on flight origin and airline.

Complete your trip to Washington, D.C.

Explore popular destinations other users love

According to popular flight searches on momondo this year