WAS - BOI

$100 Find Cheap Flights from Washington, D.C. to Boise - Compare and Save

1 adult
1 adult, Economy, 0 bags

Save 21% or more on flights. Compare deals from all over the web.

Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

Everything you should know

Cheapest round-trip
$176
Typical prices: $334-$601
Frontier
Mon 10/15Fri 10/19
IAD - BOI • 1 stop
Cheapest one-way
$100
Typical prices: $165-$368
American Airlines
Sat 10/6
DCA - BOI • 1 stop
Nonstop flights
Not available
There are currently no direct flights between Washington, D.C. and Boise. You'll need to take a connecting flight to reach the destination.
Insights
Insights
Top routes
IAD - BOI
Cheapest • 2% average savings
DCA - BOI
Most popular
Insights
Insights
When to book
18 weeks
in advance
Our data shows that travelers who book at least 18 weeks in advance save around 59% compared to booking last minute.
Insights
Insights
When to travel
April
Cheapest • 25% price drop
June
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Salt Lake City (SLC)
Cheapest • Avg $205 (round-trip)
Minneapolis St Paul (MSP)
Shortest trip • 7h 11m (one-way)
Insights
Insights
Start a new search
KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to Boise!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Washington, D.C. to Boise (WAS-BOI)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Washington, D.C. to Boise

Thu, Oct 15 - Mon, Oct 19
Frontier Logo
6:00 am - 1:55 pmIAD  Washington, D.C. Dulles Intl-BOI Boise Air Term. Gowen Fld
9h 55m1 stop Las Vegas Harry Reid Intl
Frontier Logo
2:50 pm - 6:20 amBOI  Boise Air Term. Gowen Fld-IAD Washington, D.C. Dulles Intl
13h 30m1 stop Las Vegas Harry Reid Intl
$176Frontier
Wed, Oct 21 - Sat, Oct 24
American Airlines Logo
8:41 am - 2:33 pmDCA  Washington, D.C. Reagan-National-BOI Boise Air Term. Gowen Fld
7h 52m1 stop Chicago O'Hare Intl
American Airlines Logo
3:24 pm - 11:59 pmBOI  Boise Air Term. Gowen Fld-DCA Washington, D.C. Reagan-National
6h 35m1 stop Chicago O'Hare Intl
$201American Airlines
Sat, Oct 24 - Sat, Oct 31
Delta Logo
6:00 am - 1:34 pmDCA  Washington, D.C. Reagan-National-BOI Boise Air Term. Gowen Fld
9h 34m1 stop Atlanta Hartsfield-Jackson
Delta Logo
3:00 pm - 11:44 pmBOI  Boise Air Term. Gowen Fld-DCA Washington, D.C. Reagan-National
6h 44m1 stop Minneapolis St Paul
$201Delta
Sat, Oct 31 - Tue, Nov 3
Delta Logo
7:00 am - 1:34 pmDCA  Washington, D.C. Reagan-National-BOI Boise Air Term. Gowen Fld
8h 34m1 stop Atlanta Hartsfield-Jackson
Delta Logo
1:40 pm - 10:49 pmBOI  Boise Air Term. Gowen Fld-DCA Washington, D.C. Reagan-National
7h 09m1 stop Atlanta Hartsfield-Jackson
$201Delta
Wed, Nov 11 - Wed, Nov 18
Southwest Logo
5:20 pm - 10:35 pmBWI  Baltimore/Washington-BOI Boise Air Term. Gowen Fld
7h 15m1 stop Denver Intl
Southwest Logo
3:30 pm - 12:50 amBOI  Boise Air Term. Gowen Fld-BWI Baltimore/Washington
7h 20m1 stop Denver Intl
$201Southwest
Tue, Oct 27 - Sat, Oct 31
Southwest Logo
6:20 am - 1:15 pmBWI  Baltimore/Washington-BOI Boise Air Term. Gowen Fld
8h 55m1 stop San Diego
Southwest Logo
11:35 am - 8:50 pmBOI  Boise Air Term. Gowen Fld-BWI Baltimore/Washington
7h 15m1 stop Las Vegas Harry Reid Intl
$201Southwest
Tue, Oct 27 - Sat, Oct 31
American Airlines Logo
7:45 am - 2:33 pmDCA  Washington, D.C. Reagan-National-BOI Boise Air Term. Gowen Fld
8h 48m1 stop Chicago O'Hare Intl
American Airlines Logo
3:24 pm - 11:59 pmBOI  Boise Air Term. Gowen Fld-DCA Washington, D.C. Reagan-National
6h 35m1 stop Chicago O'Hare Intl
$201American Airlines
Tue, Oct 13 - Sat, Oct 17
Alaska Airlines Logo
7:24 pm - 1:47 pmIAD  Washington, D.C. Dulles Intl-BOI Boise Air Term. Gowen Fld
20h 23m1 stop San Diego
Alaska Airlines Logo
2:06 pm - 11:59 pmBOI  Boise Air Term. Gowen Fld-IAD Washington, D.C. Dulles Intl
7h 53m1 stop Seattle/Tacoma Intl
$227Alaska Airlines
Wed, Oct 21 - Sat, Oct 24
Alaska Airlines Logo
7:02 am - 3:23 pmIAD  Washington, D.C. Dulles Intl-BOI Boise Air Term. Gowen Fld
10h 21m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
2:06 pm - 11:59 pmBOI  Boise Air Term. Gowen Fld-IAD Washington, D.C. Dulles Intl
7h 53m1 stop Seattle/Tacoma Intl
$227Alaska Airlines
Tue, Oct 27 - Sat, Oct 31
United Airlines Logo
4:10 pm - 9:32 pmIAD  Washington, D.C. Dulles Intl-BOI Boise Air Term. Gowen Fld
7h 22m1 stop Denver Intl
United Airlines Logo
12:31 pm - 9:15 pmBOI  Boise Air Term. Gowen Fld-IAD Washington, D.C. Dulles Intl
6h 44m1 stop Chicago O'Hare Intl
$235United Airlines
Booking Insights

Price, demand and travel trends for Washington, D.C. to Boise flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights from Washington, D.C. to Boise with more confidence.

How much is a round-trip flight from Washington, D.C. to Boise?

Round-trip flights from Washington, D.C. to Boise start at $176. Prices are below average for this route right now, with typical round-trip fares ranging from $334 to $601. The lowest price found in the past 5 days was $176 on Frontier.

What is the cheapest Washington, D.C. to Boise flight route?

There's little price difference between Washington, D.C. to Boise routes. They average around $433 round-trip, based on KAYAK data over the past 12 months.

What's the cheapest day of the week to fly from Washington, D.C. to Boise?

Wednesday is the cheapest day of the week to fly from Washington, D.C. to Boise, it is 16% cheaper than the average day. Sunday is the most expensive day with flight prices 48% higher than average. Based on deals found by KAYAK users in the last 12 months.

What is the cheapest month to fly from Washington, D.C. to Boise?

•April is the cheapest month to fly from Washington, D.C. to Boise at $328 round-trip.
•February ($654) and March ($591) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 99% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are prices from Washington, D.C. to Boise the cheapest?

Flights from Washington, D.C. to Boise are cheapest 18 weeks before departure. Booking in this window typically costs about 59% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Find deals

Key details for Washington, D.C. to Boise flights

Low season

February

Cheapest flight

$100
Best time to beat the crowds but there is an average 51% increase in price.
Most popular time to fly with an average 4% increase in price.
Flight from Washington, D.C. Reagan-National Airport to Boise

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

Are your dates flexible? Find out the best times to travel from Washington, D.C. to Boise based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Washington, D.C. to Boise flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • Which airports can I use when flying from Washington, D.C. to Boise?

    Flights from Washington, D.C. to Boise may depart from several airports in Washington, D.C. area, including Washington, D.C. Reagan-National (DCA) and Washington, D.C. Dulles Intl (IAD). Flights usually arrive at Boise Air Term. Gowen Fld (BOI).

  • What cabin classes can I book on flights from Washington, D.C. to Boise?

    Two cabin classes are available on flights from Washington, D.C. to Boise:

    • Economy Class
    • First Class

  • Which airports do connecting flights from Washington, D.C. to Boise pass through?

    One-stop flights from Washington, D.C. to Boise most commonly connect through:

    • Chicago O'Hare Intl (ORD) - 35% of one-stop connections
    • Denver Intl (DEN) - 28% of one-stop connections
    • Seattle/Tacoma Intl (SEA) - 15% of one-stop connections
    • Minneapolis St Paul (MSP) - 9% of one-stop connections

    Chicago O'Hare Intl (ORD) handles the largest share of one-stop connections on this route.

  • Can I save money by using flexible dates for flights from Washington, D.C. to Boise?

    Yes. Being flexible with your travel dates can save you up to 43% on the Washington, D.C. to Boise route. Wednesday is the cheapest departure day at $368 round-trip on average, while Sunday is the most expensive at $644, a difference of $276. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • What popular places can I visit in Boise?

    Some of the most popular sights in Boise are Idaho Central Arena, Julia Davis Park and Discovery Center of Idaho. These are among the most viewed places in Boise on KAYAK.

  • How expensive are last-minute Washington, D.C. to Boise flights?

    Last-minute fares on this route - booked within 2 weeks of departure - run 49% above the route average of $435. Book 18 weeks before departure for the lowest fares.

  • How long is a flight from Washington, D.C. to Boise?

    A nonstop flight from Washington, D.C. to Boise takes 0h 00m, covering 2,041 miles.

  • Do I need a passport to fly from Washington, D.C. to Boise?

    No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID, or another TSA-accepted form of identification.

  • How are flight prices from Washington, D.C. to Boise looking right now?

    One-way fares from Washington, D.C. to Boise are currently lower than usual. Average one-way flight prices are about $133, which is 45% below the typical average for this route.

  • How much time can I save by choosing a different layover airport from Washington, D.C. to Boise?

    Flying via Minneapolis St Paul (MSP) gives the shortest average 1-stop total travel time at 7h 11m, compared with 7h 18m via Chicago O'Hare Intl (ORD) and 7h 34m via Phoenix Sky Harbor Intl (PHX).

  • What is the time difference between Washington, D.C. and Boise?

    Boise is 2 hours behind Washington, D.C. (Mountain Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.

  • What car rental options are available at Boise Air Term. Gowen Fld Airport (BOI)?

    Boise Air Term. Gowen Fld Airport (BOI) hosts 5 major car rental companies, with daily rates starting from around $31 for economy cars. Top options include:
    • Budget
    • Alamo
    • Hertz
    • Enterprise Rent-A-Car
    • Avis

  • How much should I expect to pay for a Washington, D.C. to Boise flight?

    Round-trip flights from Washington, D.C. to Boise range from $334 to $601, with an average of $435 over the past 12 months. Anything below $334 counts as a good deal.

Your guide to booking Washington, D.C. to Boise flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates can be flexible, aim for a Wednesday departure instead of Sunday. On this route, Wednesday flights average $368 - about $276 less than Sunday (43% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 18 weeks before you fly. On this route, that window historically saves about 59% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Washington, D.C. to Boise trip for April. Fares historically average $328 round-trip in that month - typically $326 less than the most expensive month, which is February (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Boise Air Term. Gowen Fld Airport.
    - Ramada by Wyndham Boise
    - Hotel 28 Boise Airport, an Ascend Collection Hotel
    - Comfort Suites Airport

More options for your flight from Washington, D.C. to Boise

Complete your trip to Boise with a hotel stay or car rental

Car rentals in Boise
Hotels in Boise
Vacations in Boise