Cheap flights from Washington, D.C. to Boise from $107

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. to Boise departing on 10/6. 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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Find the cheapest flights from Washington, D.C. to Boise

Cheap round-trip flights

Frontier Logo
7:00 am - 11:48 amDCA-BOI
6h 48m1 stop
Frontier Logo
12:33 pm - 9:59 pmBOI-DCA
7h 26m1 stop
$167Frontier
Find Deal
Thu, Oct 30 - Sun, Nov 2
Spirit Airlines Logo
7:50 am - 7:56 pmBWI-BOI
14h 06m1 stop
Spirit Airlines Logo
2:25 pm - 4:30 amBOI-BWI
12h 05m1 stop
$191Spirit Airlines
Find Deal
Fri, Oct 31 - Sun, Nov 2
Delta Logo
4:59 pm - 11:57 pmDCA-BOI
8h 58m1 stop
Delta Logo
5:45 am - 3:30 pmBOI-DCA
7h 45m1 stop
$277Delta
Find Deal
Wed, Sep 17 - Tue, Sep 23
Alaska Airlines Logo
7:00 am - 3:00 pmIAD-BOI
10h 00m1 stop
Alaska Airlines Logo
8:46 pm - 7:33 amBOI-IAD
8h 47m1 stop
$277Alaska Airlines
Find Deal
Wed, Sep 17 - Tue, Sep 23
Delta Logo
4:59 pm - 11:57 pmDCA-BOI
8h 58m1 stop
Delta Logo
3:20 pm - 11:39 pmBOI-DCA
6h 19m1 stop
$278Delta
Find Deal
Wed, Sep 17 - Sat, Sep 20
United Airlines Logo
8:30 am - 4:03 pmBWI-BOI
9h 33m1 stop
United Airlines Logo
12:35 pm - 9:25 pmBOI-BWI
6h 50m1 stop
$282United Airlines
Find Deal
Tue, Nov 4 - Sat, Nov 8
United Airlines Logo
10:56 am - 9:36 pmBWI-BOI
12h 40m2 stops
United Airlines Logo
2:31 pm - 10:57 pmBOI-BWI
6h 26m1 stop
$287United Airlines
Find Deal
Tue, Nov 4 - Sat, Nov 8
Southwest Logo
6:50 pm - 12:40 amBWI-BOI
7h 50m1 stop
Southwest Logo
7:20 pm - 5:10 amBOI-BWI
7h 50m1 stop
$297Southwest
Find Deal
Mon, Oct 13 - Tue, Oct 14
Alaska Airlines Logo
7:48 pm - 11:09 amIAD-BOI
17h 21m1 stop
Alaska Airlines Logo
4:25 pm - 7:33 amBOI-IAD
13h 08m1 stop
$300Alaska Airlines
Find Deal
Fri, Oct 17 - Mon, Oct 20
Southwest Logo
6:50 pm - 12:40 amBWI-BOI
7h 50m1 stop
Southwest Logo
12:40 pm - 11:25 pmBOI-BWI
8h 45m2 stops
$327Southwest
Find Deal
Mon, Oct 13 - Wed, Oct 15

Hawaiian Airlines flights from Washington, D.C. to Boise

Our best Hawaiian Airlines deals on Washington, D.C. to Boise flight tickets
Hawaiian Airlines
Oct 11
IAD6:25 amWashington, D.C. Dulles Intl
10h 11m
1 stop
BOI2:36 pmBoise Air Term. Gowen Fld
Oct 18
BOI1:35 pmBoise Air Term. Gowen Fld
8h 48m
1 stop
IAD12:23 amWashington, D.C. Dulles Intl
Hawaiian Airlines
Sep 23
IAD9:00 amWashington, D.C. Dulles Intl
10h 18m
1 stop
BOI5:18 pmBoise Air Term. Gowen Fld
Sep 30
BOI6:35 amBoise Air Term. Gowen Fld
8h 34m
1 stop
IAD5:09 pmWashington, D.C. Dulles Intl
Hawaiian Airlines
Sep 3
IAD7:00 amWashington, D.C. Dulles Intl
10h 00m
1 stop
BOI3:00 pmBoise Air Term. Gowen Fld
Sep 5
BOI6:35 amBoise Air Term. Gowen Fld
8h 34m
1 stop
IAD5:09 pmWashington, D.C. Dulles Intl

Delta flights from Washington, D.C. to Boise

Our best Delta deals on Washington, D.C. to Boise flight tickets
Delta
Sep 17
DCA4:59 pmWashington, D.C. Reagan-National
8h 58m
1 stop
BOI11:57 pmBoise Air Term. Gowen Fld
Sep 23
BOI5:45 amBoise Air Term. Gowen Fld
7h 45m
1 stop
DCA3:30 pmWashington, D.C. Reagan-National
Delta
Sep 17
DCA4:59 pmWashington, D.C. Reagan-National
8h 58m
1 stop
BOI11:57 pmBoise Air Term. Gowen Fld
Sep 20
BOI3:20 pmBoise Air Term. Gowen Fld
6h 19m
1 stop
DCA11:39 pmWashington, D.C. Reagan-National
Delta
Oct 7
IAD5:10 pmWashington, D.C. Dulles Intl
8h 44m
2 stops
BOI11:54 pmBoise Air Term. Gowen Fld
Oct 14
BOI2:00 pmBoise Air Term. Gowen Fld
8h 40m
1 stop
IAD12:40 amWashington, D.C. Dulles Intl

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. 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 August 28, 2025.
Use the filters below to find and compare flights from Washington, D.C. to Boise that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Boise

DCA - BOI

DCABOI

Washington, D.C. Reagan-National

Thu 10/30

7:00 am-11:48 am

1 stop6h 48m

Boise Air Term. Gowen Fld

Sun 11/2

12:33 pm-9:59 pm

1 stop7h 26m

$167

BaltimoreBoise

BWI - BOI

BWIBOI

Baltimore/Washington

Fri 10/31

7:50 am-7:56 pm

1 stop14h 06m

Boise Air Term. Gowen Fld

Sun 11/2

2:25 pm-4:30 am

1 stop12h 05m

$191

Washington, D.C.Boise

DCA - BOI

DCABOI

Washington, D.C. Reagan-National

Wed 9/17

4:59 pm-11:57 pm

1 stop8h 58m

Boise Air Term. Gowen Fld

Tue 9/23

5:45 am-3:30 pm

1 stop7h 45m

$277

Washington, D.C.Boise

IAD - BOI

IADBOI

Washington, D.C. Dulles Intl

Wed 9/17

7:00 am-3:00 pm

1 stop10h 00m

Boise Air Term. Gowen Fld

Tue 9/23

8:46 pm-7:33 am

1 stop8h 47m

$277

Washington, D.C.Boise

DCA - BOI

DCABOI

Washington, D.C. Reagan-National

Wed 9/17

4:59 pm-11:57 pm

1 stop8h 58m

Boise Air Term. Gowen Fld

Sat 9/20

3:20 pm-11:39 pm

1 stop6h 19m

$278

BaltimoreBoise

BWI - BOI

BWIBOI

Baltimore/Washington

Tue 11/4

8:30 am-4:03 pm

1 stop9h 33m

Boise Air Term. Gowen Fld

Sat 11/8

12:35 pm-9:25 pm

1 stop6h 50m

$282

BaltimoreBoise

BWI - BOI

BWIBOI

Baltimore/Washington

Tue 11/4

10:56 am-9:36 pm

2 stops12h 40m

Boise Air Term. Gowen Fld

Sat 11/8

2:31 pm-10:57 pm

1 stop6h 26m

$287

BaltimoreBoise

BWI - BOI

BWIBOI

Baltimore/Washington

Mon 10/13

6:50 pm-12:40 am

1 stop7h 50m

Boise Air Term. Gowen Fld

Tue 10/14

7:20 pm-5:10 am

1 stop7h 50m

$297

Washington, D.C.Boise

IAD - BOI

IADBOI

Washington, D.C. Dulles Intl

Fri 10/17

7:48 pm-11:09 am

1 stop17h 21m

Boise Air Term. Gowen Fld

Mon 10/20

4:25 pm-7:33 am

1 stop13h 08m

$300

BaltimoreBoise

BWI - BOI

BWIBOI

Baltimore/Washington

Mon 10/13

6:50 pm-12:40 am

1 stop7h 50m

Boise Air Term. Gowen Fld

Wed 10/15

12:40 pm-11:25 pm

2 stops8h 45m

$327

Flights are sorted by cheapest round-trip flights first.

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See travel insights to Boise from

How to get the cheapest flight ticket from Washington, D.C. 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. and Boise?

What is the cheapest month to fly to Boise?

The month of April is, on average, the cheapest month to fly to Boise from Washington, D.C., with most prices found around $296. If you aren’t able to travel during the month of April, then book flights to Boise from Washington, D.C. during May instead. Flights to Boise in May, while not as cheap as those in April, still average around $300.

What is the cheapest day to depart on your flight to Boise?

Our data shows that Wednesday is the least expensive day to fly to Boise. Tickets to fly out on this day can be as low as $453. If your travel schedule is flexible, try to avoid departing on a Monday because tickets tend to average around $638. These prices are subject to change though, so be sure to set up a Price Alert for flights to Boise.

What is the cheapest time of day to depart on your flight to Boise?

Our data shows that the cheapest Washington, D.C. to Boise flights are usually those with departure times at noon. Our users have found flights to Boise at noon for as low as $432. In the evening is when there is more demand to fly to Boise, so prices are often more expensive at around $611 per ticket.

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

As of August 2025, prices for Washington, D.C. to Boise flights are approximately 54% cheaper when compared to flights at the same time last year.

When to book flights from Washington, D.C. to Boise

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

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

Direct flights

None
There are no direct flights from Washington, D.C. to Boise. There are no popular flight routes from Washington, D.C. to Boise.
  • How far is Washington, D.C. to Boise Air Term. Gowen Fld by plane?

    There are 2039.5 mi between Washington, D.C. and Boise Air Term. Gowen Fld. A reasonable flight in good conditions will take 6h 35m.

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

    Prices for flights from Washington, D.C. 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. to Boise Air Term. Gowen Fld Airport?

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

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

    The travel and health documents you'll need for your trip to Boise Air Term. Gowen Fld 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 Boise Air Term. Gowen Fld 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 Washington, D.C. to Boise?

Best airlines flying from Washington, D.C. to Boise

Compare and see reviews for airlines that fly from Washington, D.C. to Boise with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $202Free CancellationRating
7.9
7,977 reviews
Search Delta flights
United AirlinesPriceFrom $221Free CancellationRating
7.4
8,944 reviews
Search United Airlines flights
Alaska AirlinesPriceFrom $230Free CancellationRating
8.0
10,000 reviews
Search Alaska Airlines flights
American AirlinesPriceFrom $327Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
SouthwestPriceFrom $347Free CancellationRating
8.0
4,242 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
McCall
Caldwell
Ontario
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?

All flight searches from Washington, D.C. to Boise on momondo can be filtered to show those which offer flexible booking policies.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Boise from Washington, D.C..

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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Tue 9/2
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