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Cheap flights from Washington, D.C. Dulles Intl Airport to Boise from $146

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. Dulles Intl Airport to Boise departing on 9/1. 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 Washington, D.C. Dulles Intl Airport to Boise

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
6:00 am - 1:55 pm
IAD
-
BOI
9h 55m
1 stop
Frontier Logo
2:50 pm - 6:20 am
BOI
-
IAD
13h 30m
1 stop
$269Frontier
Fri, Sep 11 - Mon, Sep 14
Frontier Logo
6:00 am - 1:55 pm
IAD
-
BOI
9h 55m
1 stop
Frontier Logo
2:50 pm - 6:20 am
BOI
-
IAD
13h 30m
1 stop
$275Frontier
Thu, Sep 10 - Mon, Sep 14
Frontier Logo
6:00 am - 1:55 pm
IAD
-
BOI
9h 55m
1 stop
Frontier Logo
2:50 pm - 6:20 am
BOI
-
IAD
13h 30m
1 stop
$275Frontier
Mon, Sep 14 - Thu, Sep 17
Frontier Logo
6:00 am - 1:55 pm
IAD
-
BOI
9h 55m
1 stop
Frontier Logo
2:50 pm - 6:20 am
BOI
-
IAD
13h 30m
1 stop
$277Frontier
Mon, Sep 14 - Fri, Sep 18
United Airlines Logo
6:15 am - 11:26 am
IAD
-
BOI
7h 11m
1 stop
United Airlines Logo
7:05 pm - 7:35 am
BOI
-
IAD
10h 30m
1 stop
$298United Airlines
Wed, Sep 16 - Wed, Sep 16
Delta Logo
6:10 am - 1:29 pm
IAD
-
BOI
9h 19m
1 stop
Delta Logo
11:10 pm - 9:09 am
BOI
-
IAD
7h 59m
1 stop
$303Delta
Sat, Sep 26 - Mon, Sep 28
Delta Logo
7:25 am - 3:16 pm
IAD
-
BOI
9h 51m
1 stop
Delta Logo
2:50 pm - 11:23 pm
BOI
-
IAD
6h 33m
1 stop
$303Delta
Wed, Sep 23 - Tue, Sep 29
Delta Logo
6:00 am - 1:42 pm
IAD
-
BOI
9h 42m
1 stop
Delta Logo
2:50 pm - 11:23 pm
BOI
-
IAD
6h 33m
1 stop
$303Delta
Wed, Aug 26 - Fri, Sep 11
United Airlines Logo
6:15 am - 11:28 am
IAD
-
BOI
7h 13m
1 stop
United Airlines Logo
7:05 pm - 5:55 am
BOI
-
IAD
8h 50m
1 stop
$317United Airlines
Thu, Aug 27 - Mon, Aug 31
United Airlines Logo
5:15 pm - 10:53 pm
IAD
-
BOI
7h 38m
1 stop
United Airlines Logo
12:30 pm - 9:27 pm
BOI
-
IAD
6h 57m
1 stop
$317United Airlines
Sat, Aug 29 - Sat, Sep 12

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

Our best American Airlines deals on Washington, D.C. Dulles Intl Airport to Boise flight tickets
American Airlines
Aug 18
IAD2:53 pmWashington, D.C. Dulles Intl
9h 18m
1 stop
BOI10:11 pmBoise Air Term. Gowen Fld
Aug 22
BOI6:44 amBoise Air Term. Gowen Fld
9h 43m
1 stop
IAD6:27 pmWashington, D.C. Dulles Intl
$348
American Airlines
Aug 18
IAD2:53 pmWashington, D.C. Dulles Intl
9h 18m
1 stop
BOI10:11 pmBoise Air Term. Gowen Fld
Aug 22
BOI6:44 amBoise Air Term. Gowen Fld
9h 43m
1 stop
IAD6:27 pmWashington, D.C. Dulles Intl
$355
American Airlines
Aug 17
IAD6:09 amWashington, D.C. Dulles Intl
7h 07m
1 stop
BOI11:16 amBoise Air Term. Gowen Fld
Aug 22
BOI6:44 amBoise Air Term. Gowen Fld
9h 43m
1 stop
IAD6:27 pmWashington, D.C. Dulles Intl
$356

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

Our best Alaska Airlines deals on Washington, D.C. Dulles Intl Airport to Boise flight tickets
Alaska Airlines
Sep 11
IAD7:00 amWashington, D.C. Dulles Intl
10h 30m
1 stop
BOI3:30 pmBoise Air Term. Gowen Fld
Sep 11
BOI5:52 pmBoise Air Term. Gowen Fld
9h 48m
1 stop
IAD5:40 amWashington, D.C. Dulles Intl
$297
Alaska Airlines
Sep 9
IAD9:03 amWashington, D.C. Dulles Intl
8h 21m
1 stop
BOI3:24 pmBoise Air Term. Gowen Fld
Sep 14
BOI5:52 pmBoise Air Term. Gowen Fld
9h 48m
1 stop
IAD5:40 amWashington, D.C. Dulles Intl
$303
Alaska Airlines
Sep 17
IAD7:47 pmWashington, D.C. Dulles Intl
20h 15m
1 stop
BOI2:02 pmBoise Air Term. Gowen Fld
Sep 21
BOI4:20 pmBoise Air Term. Gowen Fld
11h 20m
1 stop
IAD5:40 amWashington, D.C. Dulles Intl
$323

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. Dulles Intl Airport to Boise 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 July 30, 2026.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Boise that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Boise

IAD - BOI

IADBOI

Washington, D.C. Dulles Intl

Fri 9/11

6:00 am-1:55 pm

1 stop9h 55m

Boise Air Term. Gowen Fld

Mon 9/14

2:50 pm-6:20 am

1 stop13h 30m

$269

Washington, D.C.Boise

IAD - BOI

IADBOI

Washington, D.C. Dulles Intl

Thu 9/10

6:00 am-1:55 pm

1 stop9h 55m

Boise Air Term. Gowen Fld

Mon 9/14

2:50 pm-6:20 am

1 stop13h 30m

$275

Washington, D.C.Boise

IAD - BOI

IADBOI

Washington, D.C. Dulles Intl

Mon 9/14

6:00 am-1:55 pm

1 stop9h 55m

Boise Air Term. Gowen Fld

Thu 9/17

2:50 pm-6:20 am

1 stop13h 30m

$275

Washington, D.C.Boise

IAD - BOI

IADBOI

Washington, D.C. Dulles Intl

Mon 9/14

6:00 am-1:55 pm

1 stop9h 55m

Boise Air Term. Gowen Fld

Fri 9/18

2:50 pm-6:20 am

1 stop13h 30m

$277

Washington, D.C.Boise

IAD - BOI

IADBOI

Washington, D.C. Dulles Intl

Wed 9/16

6:15 am-11:26 am

1 stop7h 11m

Boise Air Term. Gowen Fld

Wed 9/16

7:05 pm-7:35 am

1 stop10h 30m

$298

Washington, D.C.Boise

IAD - BOI

IADBOI

Washington, D.C. Dulles Intl

Sat 9/26

6:10 am-1:29 pm

1 stop9h 19m

Boise Air Term. Gowen Fld

Mon 9/28

11:10 pm-9:09 am

1 stop7h 59m

$303

Washington, D.C.Boise

IAD - BOI

IADBOI

Washington, D.C. Dulles Intl

Wed 9/23

7:25 am-3:16 pm

1 stop9h 51m

Boise Air Term. Gowen Fld

Tue 9/29

2:50 pm-11:23 pm

1 stop6h 33m

$303

Washington, D.C.Boise

IAD - BOI

IADBOI

Washington, D.C. Dulles Intl

Wed 8/26

6:00 am-1:42 pm

1 stop9h 42m

Boise Air Term. Gowen Fld

Fri 9/11

2:50 pm-11:23 pm

1 stop6h 33m

$303

Washington, D.C.Boise

IAD - BOI

IADBOI

Washington, D.C. Dulles Intl

Thu 8/27

6:15 am-11:28 am

1 stop7h 13m

Boise Air Term. Gowen Fld

Mon 8/31

7:05 pm-5:55 am

1 stop8h 50m

$317
Quickest round-trip

Washington, D.C.Boise

IAD - BOI

IADBOI

Washington, D.C. Dulles Intl

Sat 8/29

5:15 pm-10:53 pm

1 stop7h 38m

Boise Air Term. Gowen Fld

Sat 9/12

12:30 pm-9:27 pm

1 stop6h 57m

$317

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Boise from

How to get the cheapest flight ticket from Washington, D.C. Dulles Intl Airport to Boise

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 Washington, D.C. Dulles Intl Airport and Boise?

Prices are currently low for flights on this route.

Typical prices usually range from $371 to $584.
The lowest price recently found on this route was $269.

What is the cheapest month to fly to Boise?

The month of November is, on average, the cheapest month to fly to Boise from Washington, D.C. Dulles Intl Airport, with most prices found around $308. If you aren’t able to travel during the month of November, then book flights to Boise from Washington, D.C. Dulles Intl Airport during December instead. Flights to Boise in December, while not as cheap as those in November, still average around $355.

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

As of July 2026, prices for Washington, D.C. Dulles Intl Airport to Boise flights are approximately 42% cheaper when compared to flights at the same time last year.

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

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. Dulles Intl Airport to Boise according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

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

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

Fastest flight time

7h 03m

Direct flights

None
The fastest flight from Washington, D.C. Dulles Intl Airport to Boise takes 7h 03m
There are no direct flights from Washington, D.C. Dulles Intl Airport to Boise. There are no popular flight routes from Washington, D.C. Dulles Intl Airport to Boise.
Search flight deals

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

  • How far is Washington, D.C. Dulles Intl to Boise Air Term. Gowen Fld by plane?

    The distance between Washington, D.C. Dulles Intl and Boise Air Term. Gowen Fld is about 2017.8 mi. In terms of flight time, this usually takes a little over 7h 03m.

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

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

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

  • How old do you have to be to fly from Washington, D.C. Dulles Intl Airport to Boise Air Term. Gowen Fld Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. Dulles Intl Airport to Boise Air Term. Gowen Fld Airport.

  • What documentation or ID do you need to fly to Boise Air Term. Gowen Fld Airport?

    The necessary travel and health documents for your Boise Air Term. Gowen Fld Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Washington, D.C. Dulles Intl Airport to Boise?

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

Compare and see reviews for airlines that fly from Washington, D.C. Dulles Intl Airport to Boise with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $208Free CancellationRating
7.8
8,487 reviews
Search Delta flights
United AirlinesPriceFrom $278Free CancellationRating
7.4
10,046 reviews
Search United Airlines flights
SouthwestPriceFrom $389Free CancellationRating
8.0
4,227 reviews
Search Southwest flights

Traveling to a place near Boise?

Book flights to Boise if you plan to visit one of these locations
Nampa
Meridian
Ontario
Caldwell
McCall
Eagle

Why use momondo?

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

Finding the right flight to Boise from Washington, D.C. is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Boise quick and easy, saving you time and money.

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

Yes. All flights to Boise from Washington, D.C. on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Washington, D.C. to Boise.

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

Of course. momondo tracks the price of Washington, D.C. to Boise 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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