Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Washington, D.C. to Boise from $101

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 9/5. 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. to Boise

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
7:00 am - 12:29 pmDCA  Washington, D.C. Reagan-National-BOI Boise Air Term. Gowen Fld
7h 29m1 stop Denver Intl
Frontier Logo
12:24 pm - 9:59 pmBOI  Boise Air Term. Gowen Fld-DCA Washington, D.C. Reagan-National
7h 35m1 stop Denver Intl
$204Frontier
Tue, Sep 1 - Thu, Sep 3
Frontier Logo
1:59 pm - 12:29 pmDCA  Washington, D.C. Reagan-National-BOI Boise Air Term. Gowen Fld
24h 30m1 stop Denver Intl
Frontier Logo
1:24 pm - 12:11 pmBOI  Boise Air Term. Gowen Fld-DCA Washington, D.C. Reagan-National
20h 47m1 stop Denver Intl
$204Frontier
Mon, Aug 31 - Tue, Sep 8
Delta Logo
7:25 am - 3:16 pmIAD  Washington, D.C. Dulles Intl-BOI Boise Air Term. Gowen Fld
9h 51m1 stop Seattle/Tacoma Intl
Delta Logo
11:10 pm - 9:09 amBOI  Boise Air Term. Gowen Fld-IAD Washington, D.C. Dulles Intl
7h 59m1 stop Atlanta Hartsfield-Jackson
$303Delta
Wed, Sep 16 - Mon, Sep 21
Delta Logo
6:59 pm - 11:59 pmIAD  Washington, D.C. Dulles Intl-BOI Boise Air Term. Gowen Fld
7h 00m1 stop Minneapolis St Paul
Delta Logo
11:10 pm - 9:19 amBOI  Boise Air Term. Gowen Fld-IAD Washington, D.C. Dulles Intl
8h 09m1 stop Atlanta Hartsfield-Jackson
$303Delta
Thu, Oct 8 - Mon, Oct 12
American Airlines Logo
7:42 am - 2:31 pmDCA  Washington, D.C. Reagan-National-BOI Boise Air Term. Gowen Fld
8h 49m1 stop Chicago O'Hare Intl
American Airlines Logo
12:14 pm - 11:59 pmBOI  Boise Air Term. Gowen Fld-DCA Washington, D.C. Reagan-National
9h 45m1 stop Dallas/Fort Worth
$303American Airlines
Wed, Sep 30 - Tue, Oct 6
American Airlines Logo
5:00 am - 11:16 amDCA  Washington, D.C. Reagan-National-BOI Boise Air Term. Gowen Fld
8h 16m1 stop Dallas/Fort Worth
American Airlines Logo
3:21 pm - 11:59 pmBOI  Boise Air Term. Gowen Fld-DCA Washington, D.C. Reagan-National
6h 38m1 stop Chicago O'Hare Intl
$303American Airlines
Thu, Aug 27 - Thu, Sep 10
United Airlines Logo
5:26 pm - 10:40 pmIAD  Washington, D.C. Dulles Intl-BOI Boise Air Term. Gowen Fld
7h 14m1 stop Denver Intl
United Airlines Logo
6:15 am - 4:18 pmBOI  Boise Air Term. Gowen Fld-IAD Washington, D.C. Dulles Intl
8h 03m1 stop San Francisco
$303United Airlines
Tue, Sep 1 - Sun, Sep 6
United Airlines Logo
6:15 am - 11:28 amIAD  Washington, D.C. Dulles Intl-BOI Boise Air Term. Gowen Fld
7h 13m1 stop Chicago O'Hare Intl
United Airlines Logo
2:41 pm - 11:19 pmBOI  Boise Air Term. Gowen Fld-IAD Washington, D.C. Dulles Intl
6h 38m1 stop Denver Intl
$303United Airlines
Sat, Sep 5 - Sat, Sep 12
Southwest Logo
7:45 pm - 1:25 amBWI  Baltimore/Washington-BOI Boise Air Term. Gowen Fld
7h 40m1 stop Las Vegas Harry Reid Intl
Southwest Logo
8:30 pm - 5:40 amBOI  Boise Air Term. Gowen Fld-BWI Baltimore/Washington
7h 10m1 stop Las Vegas Harry Reid Intl
$303Southwest
Mon, Nov 2 - Mon, Nov 9
Southwest Logo
6:30 am - 10:55 amBWI  Baltimore/Washington-BOI Boise Air Term. Gowen Fld
6h 25m1 stop Denver Intl
Southwest Logo
11:55 am - 11:50 pmBOI  Boise Air Term. Gowen Fld-BWI Baltimore/Washington
9h 55m1 stop Phoenix Sky Harbor Intl
$303Southwest
Tue, Sep 29 - Tue, Oct 6

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

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

Trusted and free

Trusted and free

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

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Frontier flights from Washington, D.C. to Boise

Our best Frontier deals on Washington, D.C. to Boise flight tickets
Frontier
Sep 1
DCA7:00 amWashington, D.C. Reagan-National
7h 29m
1 stop
BOI12:29 pmBoise Air Term. Gowen Fld
Sep 3
BOI12:24 pmBoise Air Term. Gowen Fld
7h 35m
1 stop
DCA9:59 pmWashington, D.C. Reagan-National
$204
Frontier
Aug 25
DCA7:00 amWashington, D.C. Reagan-National
7h 29m
1 stop
BOI12:29 pmBoise Air Term. Gowen Fld
Sep 1
BOI1:24 pmBoise Air Term. Gowen Fld
21h 27m
1 stop
DCA12:51 pmWashington, D.C. Reagan-National
$224
Frontier
Sep 10
IAD6:00 amWashington, D.C. Dulles Intl
9h 55m
1 stop
BOI1:55 pmBoise Air Term. Gowen Fld
Sep 14
BOI2:50 pmBoise Air Term. Gowen Fld
13h 30m
1 stop
IAD6:20 amWashington, D.C. Dulles Intl
$242

Southwest flights from Washington, D.C. to Boise

Our best Southwest deals on Washington, D.C. to Boise flight tickets
Southwest
Sep 12
BWI2:35 pmBaltimore/Washington
9h 00m
2 stops
BOI9:35 pmBoise Air Term. Gowen Fld
Sep 19
BOI1:50 pmBoise Air Term. Gowen Fld
14h 40m
1 stop
BWI6:30 amBaltimore/Washington
$314
Southwest
Sep 22
DCA6:00 amWashington, D.C. Reagan-National
15h 50m
2 stops
BOI7:50 pmBoise Air Term. Gowen Fld
Sep 29
BOI6:00 amBoise Air Term. Gowen Fld
10h 00m
2 stops
DCA6:00 pmWashington, D.C. Reagan-National
$319
Southwest
Sep 10
BWI2:00 pmBaltimore/Washington
8h 45m
1 stop
BOI8:45 pmBoise Air Term. Gowen Fld
Sep 14
BOI3:45 pmBoise Air Term. Gowen Fld
12h 50m
1 stop
BWI6:35 amBaltimore/Washington
$328

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 10, 2026.
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

Cheapest round-trip

Washington, D.C.Boise

DCA Washington, D.C. Reagan-National - BOI Boise Air Term. Gowen Fld

DCABOI

Washington, D.C. Reagan-National

Tue 9/1

7:00 am-12:29 pm

1 stop7h 29m

Boise Air Term. Gowen Fld

Thu 9/3

12:24 pm-9:59 pm

1 stop7h 35m

$204

Washington, D.C.Boise

DCA Washington, D.C. Reagan-National - BOI Boise Air Term. Gowen Fld

DCABOI

Washington, D.C. Reagan-National

Mon 8/31

1:59 pm-12:29 pm

1 stop24h 30m

Boise Air Term. Gowen Fld

Tue 9/8

1:24 pm-12:11 pm

1 stop20h 47m

$204

Washington, D.C.Boise

IAD Washington, D.C. Dulles Intl - BOI Boise Air Term. Gowen Fld

IADBOI

Washington, D.C. Dulles Intl

Wed 9/16

7:25 am-3:16 pm

1 stop9h 51m

Boise Air Term. Gowen Fld

Mon 9/21

11:10 pm-9:09 am

1 stop7h 59m

$303

Washington, D.C.Boise

IAD Washington, D.C. Dulles Intl - BOI Boise Air Term. Gowen Fld

IADBOI

Washington, D.C. Dulles Intl

Thu 10/8

6:59 pm-11:59 pm

1 stop7h 00m

Boise Air Term. Gowen Fld

Mon 10/12

11:10 pm-9:19 am

1 stop8h 09m

$303

Washington, D.C.Boise

DCA Washington, D.C. Reagan-National - BOI Boise Air Term. Gowen Fld

DCABOI

Washington, D.C. Reagan-National

Wed 9/30

7:42 am-2:31 pm

1 stop8h 49m

Boise Air Term. Gowen Fld

Tue 10/6

12:14 pm-11:59 pm

1 stop9h 45m

$303

Washington, D.C.Boise

DCA Washington, D.C. Reagan-National - BOI Boise Air Term. Gowen Fld

DCABOI

Washington, D.C. Reagan-National

Thu 8/27

5:00 am-11:16 am

1 stop8h 16m

Boise Air Term. Gowen Fld

Thu 9/10

3:21 pm-11:59 pm

1 stop6h 38m

$303

Washington, D.C.Boise

IAD Washington, D.C. Dulles Intl - BOI Boise Air Term. Gowen Fld

IADBOI

Washington, D.C. Dulles Intl

Tue 9/1

5:26 pm-10:40 pm

1 stop7h 14m

Boise Air Term. Gowen Fld

Sun 9/6

6:15 am-4:18 pm

1 stop8h 03m

$303
Quickest round-trip

Washington, D.C.Boise

IAD Washington, D.C. Dulles Intl - BOI Boise Air Term. Gowen Fld

IADBOI

Washington, D.C. Dulles Intl

Sat 9/5

6:15 am-11:28 am

1 stop7h 13m

Boise Air Term. Gowen Fld

Sat 9/12

2:41 pm-11:19 pm

1 stop6h 38m

$303

BaltimoreBoise

BWI Baltimore/Washington - BOI Boise Air Term. Gowen Fld

BWIBOI

Baltimore/Washington

Mon 11/2

7:45 pm-1:25 am

1 stop7h 40m

Boise Air Term. Gowen Fld

Mon 11/9

8:30 pm-5:40 am

1 stop7h 10m

$303

BaltimoreBoise

BWI Baltimore/Washington - BOI Boise Air Term. Gowen Fld

BWIBOI

Baltimore/Washington

Tue 9/29

6:30 am-10:55 am

1 stop6h 25m

Boise Air Term. Gowen Fld

Tue 10/6

11:55 am-11:50 pm

1 stop9h 55m

$303

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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?

Prices are currently low for flights on this route.

Typical prices usually range from $297 to $468.
The lowest price recently found on this route was $204.

What is the cheapest month to fly to Boise?

The month of May is, on average, the cheapest month to fly to Boise from Washington, D.C., with most prices found around $372. If you aren’t able to travel during the month of May, then book flights to Boise from Washington, D.C. during January instead. Flights to Boise in January, while not as cheap as those in May, still average around $382.

Can stopping save me money on Washington, D.C. to Boise flights?

You could potentially save up to 32% on your flight if you consider stops on a Washington, D.C. to Boise flight.

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

As of August 2026, prices for Washington, D.C. to Boise flights are approximately 17% 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

Fastest flight time

6h 25m

Direct flights

None
The fastest flight from Washington, D.C. to Boise takes 6h 25m
There are no direct flights from Washington, D.C. to Boise. There are no popular flight routes from Washington, D.C. to Boise.
Search flight deals

Frequently asked questions about flying 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 25m.

  • 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
Alaska AirlinesPriceFrom $179Free CancellationRating
7.9
12,794 reviews
Search Alaska Airlines flights
DeltaPriceFrom $202Free CancellationRating
7.8
8,499 reviews
Search Delta flights
United AirlinesPriceFrom $221Free CancellationRating
7.4
10,100 reviews
Search United Airlines flights
American AirlinesPriceFrom $262Free CancellationRating
7.1
11,899 reviews
Search American Airlines flights
SouthwestPriceFrom $342Free CancellationRating
8.0
4,218 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?

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.

An easier way to manage your Boise 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
Wed 9/9
Wed 9/16
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States