IAD - BOI

$100 Find Cheap Flights from Washington Dulles Airport to Boise - Compare and Save

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Everything you should know

Cheapest round-trip
$201
Typical prices: $338-$611
Delta
Wed 10/10Wed 10/17
IAD - BOI • 1 stop
Cheapest one-way
$100
Typical prices: $195-$361
American Airlines
Sat 10/6
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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Flight Deals
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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

Sat, Oct 10 - Sat, Oct 17
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
$201Delta
Wed, Nov 11 - Wed, Nov 18
Delta Logo
6:58 pm - 11:56 pmIAD  Washington, D.C. Dulles Intl-BOI Boise Air Term. Gowen Fld
6h 58m1 stop Minneapolis St Paul
Delta Logo
1:14 pm - 11:47 pmBOI  Boise Air Term. Gowen Fld-IAD Washington, D.C. Dulles Intl
8h 33m1 stop Salt Lake City
$201Delta
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
3:00 pm - 11:26 pmBOI  Boise Air Term. Gowen Fld-IAD Washington, D.C. Dulles Intl
6h 26m1 stop Minneapolis St Paul
$201Delta
Sat, Oct 3 - Tue, Oct 6
United Airlines Logo
2:47 pm - 9:39 pmIAD  Washington, D.C. Dulles Intl-BOI Boise Air Term. Gowen Fld
8h 52m1 stop San Francisco
United Airlines Logo
2:44 pm - 11:25 pmBOI  Boise Air Term. Gowen Fld-IAD Washington, D.C. Dulles Intl
6h 41m1 stop Denver Intl
$303United Airlines
Mon, Nov 23 - Wed, Dec 2
United Airlines Logo
4:15 pm - 11:33 pmIAD  Washington, D.C. Dulles Intl-BOI Boise Air Term. Gowen Fld
9h 18m1 stop San Francisco
United Airlines Logo
2:48 pm - 11:15 pmBOI  Boise Air Term. Gowen Fld-IAD Washington, D.C. Dulles Intl
6h 27m1 stop Denver Intl
$303United Airlines
Tue, Oct 27 - Sat, Oct 31
American Airlines Logo
6:42 am - 1:51 pmIAD  Washington, D.C. Dulles Intl-BOI Boise Air Term. Gowen Fld
9h 09m1 stop Dallas/Fort Worth
American Airlines Logo
12:14 pm - 11:23 pmBOI  Boise Air Term. Gowen Fld-IAD Washington, D.C. Dulles Intl
9h 09m1 stop Dallas/Fort Worth
$303American Airlines
Sat, Oct 24 - Thu, Oct 29
American Airlines Logo
6:42 am - 1:51 pmIAD  Washington, D.C. Dulles Intl-BOI Boise Air Term. Gowen Fld
9h 09m1 stop Dallas/Fort Worth
American Airlines Logo
12:14 pm - 11:23 pmBOI  Boise Air Term. Gowen Fld-IAD Washington, D.C. Dulles Intl
9h 09m1 stop Dallas/Fort Worth
$303American Airlines
Sat, Oct 31 - Tue, Nov 3
American Airlines Logo
6:42 am - 1:51 pmIAD  Washington, D.C. Dulles Intl-BOI Boise Air Term. Gowen Fld
9h 09m1 stop Dallas/Fort Worth
American Airlines Logo
7:00 am - 3:48 pmBOI  Boise Air Term. Gowen Fld-IAD Washington, D.C. Dulles Intl
6h 48m1 stop Dallas/Fort Worth
$303American Airlines
Wed, Nov 11 - Wed, Nov 18
Delta Logo
6:58 pm - 11:56 pmIAD  Washington, D.C. Dulles Intl-BOI Boise Air Term. Gowen Fld
6h 58m1 stop Minneapolis St Paul
Delta Logo
1:14 pm - 11:47 pmBOI  Boise Air Term. Gowen Fld-IAD Washington, D.C. Dulles Intl
8h 33m1 stop Salt Lake City
$303Delta
Sat, Oct 17 - Sat, Oct 24
United Airlines Logo
6:10 am - 11:28 amIAD  Washington, D.C. Dulles Intl-BOI Boise Air Term. Gowen Fld
7h 18m1 stop Chicago O'Hare Intl
United Airlines Logo
6:50 pm - 5:46 amBOI  Boise Air Term. Gowen Fld-IAD Washington, D.C. Dulles Intl
8h 56m1 stop San Francisco
$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 from Washington, D.C. Dulles Intl Airport to Boise 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 start at $201. Prices are below average for this route right now, with typical round-trip fares ranging from $338 to $611. The lowest price found in the past 5 days was $201 on Delta.

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

Tuesday is the cheapest day of the week to fly from Washington, D.C. Dulles Intl Airport to Boise, it is 16% cheaper than the average day. Sunday is the most expensive day with flight prices 79% 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. 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

$100
Best time to beat the crowds but there is an average 38% increase in price.
Most popular time to fly with an average 15% increase in price.
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 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. 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).

  • 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

  • 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

    Denver Intl (DEN) 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. Dulles Intl Airport to Boise?

    Yes. Being flexible with your travel dates can save you up to 53% on the Washington, D.C. Dulles Intl Airport to Boise route. 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.

  • What popular places can I visit in Boise?

    Some of the most popular sights in Boise are Boise Center, Idaho Central Arena and Boise River Greenbelt. These are among the most viewed places in Boise on KAYAK.

  • 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 0h 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.

  • 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 $201 to $1,972. That means the highest observed fare was about 10x 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 $152, which is 40% below the typical average for this route.

  • 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 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. 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.

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 can be flexible, aim for a Tuesday departure instead of Sunday. On this route, Tuesday flights average $361 - about $400 less than Sunday (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
    - Hotel 28 Boise Airport, an Ascend Collection Hotel
    - Super 8 by Wyndham Boise

More options for your flight from Dulles Intl to Boise

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