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

Delta is the most popular carrier operating from Boise Air Term. Gowen Fld to Washington, D.C. Dulles Intl

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 53% 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.

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 May 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.

$132 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 $340 to $300. The lowest price recently found on this route was $263.

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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.

1:15 pm - 11:51 pm

BOI

IAD

8h 36m

1 stop

6:40 pm - 11:29 pm

IAD

BOI

6h 49m

1 stop

$263Delta

Sat, Sep 19 - Tue, Sep 22

1:43 pm - 12:10 am

BOI

IAD

8h 27m

1 stop

6:00 am - 2:03 pm

IAD

BOI

10h 03m

2 stops

$268Delta

Sat, Sep 19 - Tue, Sep 22

1:43 pm - 12:10 am

BOI

IAD

8h 27m

1 stop

7:10 am - 2:22 pm

IAD

BOI

9h 12m

1 stop

$273Delta

Tue, Sep 22 - Tue, Sep 29

5:11 pm - 8:38 am

BOI

IAD

13h 27m

2 stops

2:46 pm - 10:17 pm

IAD

BOI

9h 31m

1 stop

$276American Airlines

Tue, Sep 22 - Tue, Sep 29

11:42 pm - 9:26 am

BOI

IAD

7h 44m

1 stop

6:00 am - 12:14 pm

IAD

BOI

8h 14m

2 stops

$278Delta

Wed, Jul 8 - Mon, Jul 13

5:11 pm - 8:38 am

BOI

IAD

13h 27m

2 stops

6:58 am - 4:50 pm

IAD

BOI

11h 52m

2 stops

$284American Airlines

Tue, Sep 22 - Tue, Sep 29

1:43 pm - 12:10 am

BOI

IAD

8h 27m

1 stop

6:15 am - 2:03 pm

IAD

BOI

9h 48m

1 stop

$297Delta

Fri, Sep 4 - Wed, Sep 9

11:35 pm - 11:34 am

BOI

IAD

9h 59m

2 stops

7:10 am - 3:18 pm

IAD

BOI

10h 08m

1 stop

$302Delta

Fri, Aug 14 - Mon, Aug 17

11:35 pm - 10:03 am

BOI

IAD

8h 28m

1 stop

6:00 am - 1:42 pm

IAD

BOI

9h 42m

1 stop

$307Delta

Fri, Aug 14 - Mon, Aug 17

11:42 pm - 9:26 am

BOI

IAD

7h 44m

1 stop

6:00 am - 1:44 pm

IAD

BOI

9h 44m

1 stop

$311Delta

Wed, Jul 8 - Mon, Jul 13

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

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

Alaska Airlines

Aug 25

BOI7:19 amBoise Air Term. Gowen Fld

8h 55m

1 stop

IAD6:14 pmWashington, D.C. Dulles Intl

Aug 26

IAD5:44 pmWashington, D.C. Dulles Intl

8h 00m

1 stop

BOI11:44 pmBoise Air Term. Gowen Fld

$322

Alaska Airlines

Aug 25

BOI7:19 amBoise Air Term. Gowen Fld

8h 55m

1 stop

IAD6:14 pmWashington, D.C. Dulles Intl

Aug 26

IAD5:44 pmWashington, D.C. Dulles Intl

8h 00m

1 stop

BOI11:44 pmBoise Air Term. Gowen Fld

$337

Alaska Airlines

May 27

BOI6:07 pmBoise Air Term. Gowen Fld

11h 27m

1 stop

IAD7:34 amWashington, D.C. Dulles Intl

Jun 2

IAD6:00 amWashington, D.C. Dulles Intl

9h 02m

1 stop

BOI1:02 pmBoise Air Term. Gowen Fld

$347

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

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

United Airlines

Jul 2

BOI2:41 pmBoise Air Term. Gowen Fld

8h 04m

1 stop

IAD12:45 amWashington, D.C. Dulles Intl

Jul 6

IAD6:10 amWashington, D.C. Dulles Intl

7h 22m

1 stop

BOI11:32 amBoise Air Term. Gowen Fld

$417

United Airlines

Jul 2

BOI2:41 pmBoise Air Term. Gowen Fld

8h 04m

1 stop

IAD12:45 amWashington, D.C. Dulles Intl

Jul 6

IAD6:10 amWashington, D.C. Dulles Intl

7h 22m

1 stop

BOI11:32 amBoise Air Term. Gowen Fld

$422

United Airlines

Jul 8

BOI2:05 pmBoise Air Term. Gowen Fld

8h 50m

1 stop

IAD12:55 amWashington, D.C. Dulles Intl

Jul 11

IAD6:10 amWashington, D.C. Dulles Intl

7h 22m

1 stop

BOI11:32 amBoise Air Term. Gowen Fld

$425

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

Quickest round-trip

BoiseWashington, D.C.

BOI - IAD

BOIIAD

Boise Air Term. Gowen Fld

Sat 9/19

1:15 pm-11:51 pm

1 stop8h 36m

Washington, D.C. Dulles Intl

Tue 9/22

6:40 pm-11:29 pm

1 stop6h 49m

$263

BoiseWashington, D.C.

BOI - IAD

BOIIAD

Boise Air Term. Gowen Fld

Sat 9/19

1:43 pm-12:10 am

1 stop8h 27m

Washington, D.C. Dulles Intl

Tue 9/22

6:00 am-2:03 pm

2 stops10h 03m

$268

BoiseWashington, D.C.

BOI - IAD

BOIIAD

Boise Air Term. Gowen Fld

Tue 9/22

1:43 pm-12:10 am

1 stop8h 27m

Washington, D.C. Dulles Intl

Tue 9/29

7:10 am-2:22 pm

1 stop9h 12m

$273

BoiseWashington, D.C.

BOI - IAD

BOIIAD

Boise Air Term. Gowen Fld

Tue 9/22

5:11 pm-8:38 am

2 stops13h 27m

Washington, D.C. Dulles Intl

Tue 9/29

2:46 pm-10:17 pm

1 stop9h 31m

$276

BoiseWashington, D.C.

BOI - IAD

BOIIAD

Boise Air Term. Gowen Fld

Wed 7/8

11:42 pm-9:26 am

1 stop7h 44m

Washington, D.C. Dulles Intl

Mon 7/13

6:00 am-12:14 pm

2 stops8h 14m

$278

BoiseWashington, D.C.

BOI - IAD

BOIIAD

Boise Air Term. Gowen Fld

Tue 9/22

5:11 pm-8:38 am

2 stops13h 27m

Washington, D.C. Dulles Intl

Tue 9/29

6:58 am-4:50 pm

2 stops11h 52m

$284

BoiseWashington, D.C.

BOI - IAD

BOIIAD

Boise Air Term. Gowen Fld

Fri 9/4

1:43 pm-12:10 am

1 stop8h 27m

Washington, D.C. Dulles Intl

Wed 9/9

6:15 am-2:03 pm

1 stop9h 48m

$297

BoiseWashington, D.C.

BOI - IAD

BOIIAD

Boise Air Term. Gowen Fld

Fri 8/14

11:35 pm-11:34 am

2 stops9h 59m

Washington, D.C. Dulles Intl

Mon 8/17

7:10 am-3:18 pm

1 stop10h 08m

$302

BoiseWashington, D.C.

BOI - IAD

BOIIAD

Boise Air Term. Gowen Fld

Fri 8/14

11:35 pm-10:03 am

1 stop8h 28m

Washington, D.C. Dulles Intl

Mon 8/17

6:00 am-1:42 pm

1 stop9h 42m

$307

BoiseWashington, D.C.

BOI - IAD

BOIIAD

Boise Air Term. Gowen Fld

Wed 7/8

11:42 pm-9:26 am

1 stop7h 44m

Washington, D.C. Dulles Intl

Mon 7/13

6:00 am-1:44 pm

1 stop9h 44m

$311

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 $300. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport during the month of May, then flying in November is also cheap. Prices for this month can be found on momondo for an average of $400.

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	7h 10m
Direct flights	None

The fastest flight from Boise to Washington, D.C. Dulles Intl Airport takes 7h 10m

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

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

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 7h 10m.
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 May 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 53% of all bookings. The subsequent popular airlines are Alaska Airlines at 19%, Delta at 16%, and Southwest at 11%.

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
Delta	PriceFrom $232	Free Cancellation	Rating 7.9 8,452 reviews	Search Delta flights
Alaska Airlines	PriceFrom $245	Free Cancellation	Rating 7.9 12,354 reviews	Search Alaska Airlines flights
United Airlines	PriceFrom $278	Free Cancellation	Rating 7.4 9,700 reviews	Search United Airlines flights
Southwest	PriceFrom $340	Free Cancellation	Rating 8.0 4,296 reviews	Search Southwest flights

Alexandria

National Harbor

Gettysburg

Arlington

Winchester

Waldorf

Woodbridge

Laurel

Gaithersburg

Colonial Beach

Fredericksburg

Silver Spring

Towson

Rockville

Manassas

Sterling

Linthicum Heights

Tysons

Bethesda

Springfield

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.

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Cheap flights from Boise to Washington, D.C. from $132

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 7/14. 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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Alaska Airlines flights from Boise to Washington, D.C. Dulles Intl Airport

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

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

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

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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

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

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.?

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

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