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IAD - BOI

$134 Find Cheap Flights from Washington Dulles Airport to Boise - Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$296
Typical prices: $338-$611
Frontier
Thu 10/11Fri 10/19
IAD - BOI • 1 stop
Cheapest one-way
$134
Typical prices: $195-$361
Frontier
Tue 10/23
IAD - BOI • 1 stop
Nonstop flights
Not available
There are currently no direct flights between Washington, D.C. Dulles Intl Airport and Boise. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to travel
October
Cheapest • 19% price drop
May
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Salt Lake City (SLC)
Cheapest • Avg $205 (round-trip)
Denver Intl (DEN)
Shortest trip • 6h 55m (one-way)
Insights
Insights
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We hope you love your trip to Boise!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Dulles Intl to Boise (IAD-BOI)

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

Recent round-trip flight deals from Dulles Intl to Boise

Sun, Oct 11 - 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
$296Frontier
Sun, Oct 11 - 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
$298Frontier
Fri, Oct 16 - 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
$305Frontier
Mon, Nov 2 - Mon, Nov 2
Alaska Airlines Logo
7:46 am - 3:24 pmIAD  Washington, D.C. Dulles Intl-BOI Boise Air Term. Gowen Fld
9h 38m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
6:21 pm - 5:44 amBOI  Boise Air Term. Gowen Fld-IAD Washington, D.C. Dulles Intl
9h 23m1 stop Seattle/Tacoma Intl
$317Alaska Airlines
Tue, Jan 5 - Tue, Jan 12
United Airlines Logo
6:30 am - 3:03 pmIAD  Washington, D.C. Dulles Intl-BOI Boise Air Term. Gowen Fld
10h 33m1 stop San Francisco
United Airlines Logo
2:45 pm - 11:13 pmBOI  Boise Air Term. Gowen Fld-IAD Washington, D.C. Dulles Intl
6h 28m1 stop Denver Intl
$323United Airlines
Wed, Jan 6 - Wed, Jan 13
United Airlines Logo
2:25 pm - 9:35 pmIAD  Washington, D.C. Dulles Intl-BOI Boise Air Term. Gowen Fld
9h 10m1 stop Denver Intl
United Airlines Logo
6:25 am - 3:50 pmBOI  Boise Air Term. Gowen Fld-IAD Washington, D.C. Dulles Intl
7h 25m1 stop Denver Intl
$323United Airlines
Wed, Nov 11 - Wed, Nov 18
Delta Logo
6:58 pm - 11:59 pmIAD  Washington, D.C. Dulles Intl-BOI Boise Air Term. Gowen Fld
7h 01m1 stop Minneapolis St Paul
Delta Logo
1:19 pm - 11:47 pmBOI  Boise Air Term. Gowen Fld-IAD Washington, D.C. Dulles Intl
8h 28m1 stop Salt Lake City
$323Delta
Sat, Oct 31 - Sat, Nov 7
Delta Logo
6:13 am - 10:42 amIAD  Washington, D.C. Dulles Intl-BOI Boise Air Term. Gowen Fld
6h 29m1 stop Salt Lake City
Delta Logo
8:59 am - 8:06 pmBOI  Boise Air Term. Gowen Fld-IAD Washington, D.C. Dulles Intl
9h 07m1 stop Seattle/Tacoma Intl
$323Delta
Thu, Oct 22 - Mon, Oct 26
Delta Logo
8:13 am - 1:34 pmIAD  Washington, D.C. Dulles Intl-BOI Boise Air Term. Gowen Fld
7h 21m1 stop Atlanta Hartsfield-Jackson
Delta Logo
10:34 am - 10:49 pmBOI  Boise Air Term. Gowen Fld-IAD Washington, D.C. Dulles Intl
10h 15m1 stop Seattle/Tacoma Intl
$323Delta
Tue, Oct 27 - Tue, Nov 3
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
2:51 pm - 11:15 pmBOI  Boise Air Term. Gowen Fld-IAD Washington, D.C. Dulles Intl
6h 24m1 stop Denver Intl
$323United Airlines
Booking Insights

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

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

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

Round-trip flights from Washington, D.C. Dulles Intl Airport to Boise typically range from $338 to $611. The lowest price found in the past 5 days was $296, on Frontier.

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

Based on deals KAYAK users found in the last 12 months, Tuesday is the cheapest day of the week to fly from Washington, D.C. Dulles Intl Airport to Boise. It’s 16% cheaper than the average day, while Sunday is the most expensive, with prices 79% higher.

What’s the cheapest month to fly from Washington, D.C. Dulles Intl Airport to Boise?

•October is the cheapest month to fly from Washington, D.C. Dulles Intl Airport to Boise at $343 round-trip.
•March ($668) and February ($654) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 94% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

Find deals

Key details for Washington, D.C. Dulles Intl Airport to Boise flights

Low season

December

Cheapest flight

$134
Beat the crowds with an average 32% drop in travelers.
The most popular month to fly with an average 120% increase in travelers.
One-way flight from Washington, D.C. Dulles Intl Airport to Boise

When to book flights from Dulles Intl to Boise

Are your dates flexible? Find out the best times to travel from Dulles Intl 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. Dulles Intl Airport to Boise flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

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

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

    • Economy Class
    • First Class

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

    A nonstop flight from Washington, D.C. Dulles Intl Airport to Boise takes 00m, covering 2,019 miles.

  • Do I need a passport to fly from Washington, D.C. Dulles Intl Airport 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 much should I expect to pay for a Washington, D.C. Dulles Intl Airport to Boise flight?

    Round-trip flights from Washington, D.C. Dulles Intl Airport to Boise range from $338 to $611, with an average of $425 over the past 12 months. Anything below $338 counts as a good deal.

  • Have flight prices from Washington, D.C. Dulles Intl Airport to Boise changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $296 to $1,902. That means the highest observed fare was about 6x higher than the lowest one.

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

    One-way fares from Washington, D.C. Dulles Intl Airport to Boise are currently lower than usual. Average one-way flight prices are about $157, which is 38% below the typical average for this route.

  • 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

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

    Flights from Washington, D.C. Dulles Intl Airport to Boise usually depart from Washington, D.C. Dulles Intl (IAD) and arrive at Boise Air Term. Gowen Fld (BOI).

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

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

    • Denver Intl (DEN) - 48% of one-stop connections
    • Seattle/Tacoma Intl (SEA) - 24% of one-stop connections
    • Chicago O'Hare Intl (ORD) - 12% of one-stop connections
    • Dallas/Fort Worth (DFW) - 6% of one-stop connections

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

    Yes. Flexible dates can save you up to 53% on flights from Washington, D.C. Dulles Intl Airport to Boise. Tuesday is the cheapest departure day at $361 round-trip on average, while Sunday is the most expensive at $761, a difference of $400.

    KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

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

    Flying via Denver Intl (DEN) gives the shortest average 1-stop total travel time at 6h 55m, compared with 7h 08m via Chicago O'Hare Intl (ORD) and 7h 14m via Minneapolis St Paul (MSP).

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

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

  • 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.

Your guide to booking Washington, D.C. Dulles Intl Airport to Boise flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates are flexible, aim for a Tuesday departure and avoid flying on Sunday. On this route, Tuesday flights average $361, about $400 less than Sunday fares (53% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Washington, D.C. Dulles Intl Airport to Boise trip for October. Fares historically average $343 round-trip in that month - typically $325 less than the most expensive month, which is March (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
    • Super 8 by Wyndham Boise
    • Hotel 28 Boise Airport, an Ascend Collection Hotel

More options for your flight from Dulles Intl to Boise

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

Car rentals in Boise
Hotels in Boise
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