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Cheap flights from Washington, D.C. to Boise from $119

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 10/31. 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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0 bags

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

Cheap round-trip flights

Frontier Logo
7:00 am - 11:43 amDCA-BOI
6h 43m1 stop
Frontier Logo
12:28 pm - 12:04 pmBOI-DCA
21h 36m1 stop
$189Frontier
Find Deal
vie., oct. 24 - dom., oct. 26
Frontier Logo
6:31 pm - 11:43 amDCA-BOI
19h 12m1 stop
Frontier Logo
12:28 pm - 9:59 pmBOI-DCA
7h 31m1 stop
$236Frontier
Find Deal
sáb., oct. 18 - jue., oct. 23
Delta Logo
7:01 am - 12:51 pmBWI-BOI
7h 50m1 stop
Delta Logo
1:43 pm - 12:11 amBOI-BWI
8h 28m1 stop
$237Delta
Find Deal
jue., dic. 4 - sáb., ene. 10
Delta Logo
7:00 am - 1:07 pmIAD-BOI
8h 07m1 stop
Delta Logo
10:38 am - 11:16 pmBOI-IAD
10h 38m1 stop
$297Delta
Find Deal
jue., ene. 22 - lun., ene. 26
Alaska Airlines Logo
7:38 am - 4:17 pmBWI-BOI
10h 39m1 stop
Alaska Airlines Logo
4:38 pm - 5:39 amBOI-BWI
11h 01m1 stop
$306Alaska Airlines
Find Deal
sáb., nov. 15 - lun., nov. 24
Alaska Airlines Logo
8:59 am - 11:49 pmDCA-BOI
16h 50m1 stop
Alaska Airlines Logo
4:06 pm - 4:00 pmBOI-DCA
21h 54m1 stop
$308Alaska Airlines
Find Deal
mar., nov. 4 - sáb., nov. 8
United Airlines Logo
8:15 am - 1:25 pmBWI-BOI
7h 10m1 stop
United Airlines Logo
7:00 pm - 7:56 amBOI-BWI
10h 56m2 stops
$312United Airlines
Find Deal
sáb., nov. 15 - lun., nov. 24
Southwest Logo
4:35 pm - 10:25 pmDCA-BOI
7h 50m1 stop
Southwest Logo
6:00 am - 8:15 pmBOI-DCA
12h 15m2 stops
$314Southwest
Find Deal
mar., nov. 4 - sáb., nov. 8
United Airlines Logo
6:45 am - 1:43 pmBWI-BOI
8h 58m1 stop
United Airlines Logo
7:00 am - 5:26 pmBOI-BWI
8h 26m2 stops
$356United Airlines
Find Deal
jue., oct. 16 - mié., oct. 22
Southwest Logo
6:15 am - 2:05 pmBWI-BOI
9h 50m1 stop
Southwest Logo
1:10 pm - 12:50 amBOI-BWI
9h 40m1 stop
$370Southwest
Find Deal
jue., nov. 20 - vie., nov. 28

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 15
IAD6:25 amWashington, D.C. Dulles Intl
10h 11m
1 stop
BOI2:36 pmBoise Air Term. Gowen Fld
Oct 20
BOI8:26 pmBoise Air Term. Gowen Fld
9h 07m
1 stop
IAD7:33 amWashington, D.C. Dulles Intl
$308
Find similar
Hawaiian Airlines
Mar 3
IAD7:00 amWashington, D.C. Dulles Intl
8h 45m
1 stop
BOI1:45 pmBoise Air Term. Gowen Fld
Mar 4
BOI8:30 pmBoise Air Term. Gowen Fld
7h 25m
1 stop
IAD5:55 amWashington, D.C. Dulles Intl
$320
Find similar
Hawaiian Airlines
Nov 4
IAD7:43 amWashington, D.C. Dulles Intl
10h 34m
1 stop
BOI4:17 pmBoise Air Term. Gowen Fld
Nov 8
BOI6:28 amBoise Air Term. Gowen Fld
8h 12m
1 stop
IAD4:40 pmWashington, D.C. Dulles Intl
$374
Find similar

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

Our best American Airlines deals on Washington, D.C. to Boise flight tickets
American Airlines
Nov 4
DCA7:00 amWashington, D.C. Reagan-National
8h 46m
1 stop
BOI1:46 pmBoise Air Term. Gowen Fld
Nov 8
BOI2:16 pmBoise Air Term. Gowen Fld
14h 44m
1 stop
DCA7:00 amWashington, D.C. Reagan-National
$303
Find similar
American Airlines
Dec 4
BWI6:00 amBaltimore/Washington
9h 06m
1 stop
BOI1:06 pmBoise Air Term. Gowen Fld
Jan 10
BOI1:43 pmBoise Air Term. Gowen Fld
6h 40m
1 stop
BWI10:23 pmBaltimore/Washington
$314
Find similar
American Airlines
Dec 4
DCA6:30 amWashington, D.C. Reagan-National
8h 04m
1 stop
BOI12:34 pmBoise Air Term. Gowen Fld
Jan 10
BOI5:22 pmBoise Air Term. Gowen Fld
11h 39m
1 stop
DCA7:01 amWashington, D.C. Reagan-National
$315
Find similar

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 septiembre 17, 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

vie. 10/24

7:00 am-11:43 am

1 stop6h 43m

Boise Air Term. Gowen Fld

dom. 10/26

12:28 pm-12:04 pm

1 stop21h 36m

$189

Washington, D.C.Boise

DCA - BOI

DCABOI

Washington, D.C. Reagan-National

sáb. 10/18

6:31 pm-11:43 am

1 stop19h 12m

Boise Air Term. Gowen Fld

jue. 10/23

12:28 pm-9:59 pm

1 stop7h 31m

$236

BaltimoreBoise

BWI - BOI

BWIBOI

Baltimore/Washington

jue. 12/4

7:01 am-12:51 pm

1 stop7h 50m

Boise Air Term. Gowen Fld

sáb. 1/10

1:43 pm-12:11 am

1 stop8h 28m

$237

Washington, D.C.Boise

IAD - BOI

IADBOI

Washington, D.C. Dulles Intl

jue. 1/22

7:00 am-1:07 pm

1 stop8h 07m

Boise Air Term. Gowen Fld

lun. 1/26

10:38 am-11:16 pm

1 stop10h 38m

$297

BaltimoreBoise

BWI - BOI

BWIBOI

Baltimore/Washington

sáb. 11/15

7:38 am-4:17 pm

1 stop10h 39m

Boise Air Term. Gowen Fld

lun. 11/24

4:38 pm-5:39 am

1 stop11h 01m

$306

Washington, D.C.Boise

DCA - BOI

DCABOI

Washington, D.C. Reagan-National

mar. 11/4

8:59 am-11:49 pm

1 stop16h 50m

Boise Air Term. Gowen Fld

sáb. 11/8

4:06 pm-4:00 pm

1 stop21h 54m

$308

BaltimoreBoise

BWI - BOI

BWIBOI

Baltimore/Washington

sáb. 11/15

8:15 am-1:25 pm

1 stop7h 10m

Boise Air Term. Gowen Fld

lun. 11/24

7:00 pm-7:56 am

2 stops10h 56m

$312

Washington, D.C.Boise

DCA - BOI

DCABOI

Washington, D.C. Reagan-National

mar. 11/4

4:35 pm-10:25 pm

1 stop7h 50m

Boise Air Term. Gowen Fld

sáb. 11/8

6:00 am-8:15 pm

2 stops12h 15m

$314

BaltimoreBoise

BWI - BOI

BWIBOI

Baltimore/Washington

jue. 10/16

6:45 am-1:43 pm

1 stop8h 58m

Boise Air Term. Gowen Fld

mié. 10/22

7:00 am-5:26 pm

2 stops8h 26m

$356

BaltimoreBoise

BWI - BOI

BWIBOI

Baltimore/Washington

jue. 11/20

6:15 am-2:05 pm

1 stop9h 50m

Boise Air Term. Gowen Fld

vie. 11/28

1:10 pm-12:50 am

1 stop9h 40m

$370

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. 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 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 September 2025, prices for Washington, D.C. to Boise flights are approximately 21% 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.
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  • 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 37m.

  • 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
7,961 reviews
Search Delta flights
Alaska AirlinesPriceFrom $230Free CancellationRating
8.0
10,000 reviews
Search Alaska Airlines flights
United AirlinesPriceFrom $278Free CancellationRating
7.4
8,926 reviews
Search United 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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