BOI - WAS

$122 Find Cheap Flights from Boise to Washington, D.C. - Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$298
Typical prices: $340-$569
Frontier
Tue 10/9Thu 10/11
BOI - IAD • 1 stop
Cheapest one-way
$122
Typical prices: $168-$420
Frontier
Fri 10/19
BOI - IAD • 1 stop
Nonstop flights
Not available
There are currently no direct flights between Boise and Washington, D.C.. You'll need to take a connecting flight to reach the destination.
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Top routes
BOI - DCA
Cheapest • 2% average savings
BOI - IAD
Most popular
Insights
Insights
When to book
21 weeks
in advance
Our data shows that travelers who book at least 21 weeks in advance save around 66% compared to booking last minute.
Insights
Insights
When to travel
August
Cheapest • 23% price drop
October
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Portland (PDX)
Cheapest • Avg $300 (round-trip)
Salt Lake City (SLC)
Shortest trip • 6h 29m (one-way)
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Insights
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We hope you love your trip to Washington, D.C.!
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Booking Insights
Flight Deals

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

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

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

Fri, Oct 9 - Sun, Oct 11
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
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
$298Frontier
Mon, Oct 19 - Tue, Oct 27
Multiple Airlines 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
Multiple 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
$299Multiple Airlines
Tue, Nov 10 - Tue, Nov 17
Delta Logo
1:41 pm - 11:46 pmBOI  Boise Air Term. Gowen Fld-DCA Washington, D.C. Reagan-National
8h 05m1 stop Atlanta Hartsfield-Jackson
Delta Logo
7:45 am - 12:33 pmDCA  Washington, D.C. Reagan-National-BOI Boise Air Term. Gowen Fld
6h 48m1 stop Minneapolis St Paul
$315Delta
Wed, Nov 11 - Tue, Nov 17
Delta Logo
1:41 pm - 10:45 pmBOI  Boise Air Term. Gowen Fld-DCA Washington, D.C. Reagan-National
7h 04m1 stop Atlanta Hartsfield-Jackson
Delta Logo
6:05 am - 12:33 pmDCA  Washington, D.C. Reagan-National-BOI Boise Air Term. Gowen Fld
8h 28m1 stop Minneapolis St Paul
$315Delta
Sat, Oct 24 - Wed, Oct 28
Alaska Airlines Logo
6:43 am - 4:25 pmBOI  Boise Air Term. Gowen Fld-DCA Washington, D.C. Reagan-National
7h 42m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
5:00 pm - 11:59 pmDCA  Washington, D.C. Reagan-National-BOI Boise Air Term. Gowen Fld
8h 59m1 stop Seattle/Tacoma Intl
$315Alaska Airlines
Mon, Feb 1 - Tue, Feb 9
Alaska Airlines Logo
6:31 pm - 8:00 pmBOI  Boise Air Term. Gowen Fld-DCA Washington, D.C. Reagan-National
23h 29m1 stop Los Angeles
Alaska Airlines Logo
5:05 pm - 11:44 pmDCA  Washington, D.C. Reagan-National-BOI Boise Air Term. Gowen Fld
8h 39m1 stop Portland
$315Alaska Airlines
Tue, Dec 8 - Sat, Dec 12
American Airlines Logo
1:24 pm - 11:55 pmBOI  Boise Air Term. Gowen Fld-DCA Washington, D.C. Reagan-National
8h 31m1 stop Chicago O'Hare Intl
American Airlines Logo
6:00 am - 12:42 pmDCA  Washington, D.C. Reagan-National-BOI Boise Air Term. Gowen Fld
8h 42m1 stop Chicago O'Hare Intl
$315American Airlines
Tue, Oct 20 - Wed, Oct 21
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
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
$315American Airlines
Tue, Oct 27 - Thu, Oct 29
United Airlines Logo
2:51 pm - 11:08 pmBOI  Boise Air Term. Gowen Fld-BWI Baltimore/Washington
6h 17m1 stop Denver Intl
United Airlines Logo
6:10 am - 11:31 amBWI  Baltimore/Washington-BOI Boise Air Term. Gowen Fld
7h 21m1 stop Chicago O'Hare Intl
$323United Airlines
Sat, Nov 7 - Tue, Nov 10
United Airlines Logo
12:31 pm - 9:42 pmBOI  Boise Air Term. Gowen Fld-BWI Baltimore/Washington
7h 11m1 stop Chicago O'Hare Intl
United Airlines Logo
4:19 pm - 10:59 pmBWI  Baltimore/Washington-BOI Boise Air Term. Gowen Fld
8h 40m1 stop Denver Intl
$323United Airlines
Booking Insights

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

Round-trip flights from Boise to Washington, D.C. typically range from $340 to $569. The lowest price found in the past 5 days was $298, on Frontier.

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

There's little price difference between Boise to Washington, D.C. routes. They average around $456 round-trip, based on KAYAK data over the past 12 months.

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

Based on deals KAYAK users found in the last 12 months, Thursday is the cheapest day of the week to fly from Boise to Washington, D.C.. It’s 9% cheaper than the average day, while Sunday is the most expensive, with prices 34% higher.

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

•August is the cheapest month to fly from Boise to Washington, D.C. at $350 round-trip.
•June ($534) and December ($532) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 52% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

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

Flights from Boise to Washington, D.C. are cheapest 21 weeks before departure. Booking in this window typically costs about 66% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Find deals

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

Low season

December

Cheapest flight

$122
Beat the crowds with an average 13% drop in travelers.
The most popular month to fly with an average 19% increase in travelers.
One-way flight from Boise to Washington, D.C. Dulles Intl Airport

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

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

Your Boise to Washington, D.C. 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 Boise to Washington, D.C.?

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

    • Economy Class
    • Business Class
    • First Class

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

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

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

    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 Boise to Washington, D.C. flight?

    Round-trip flights from Boise to Washington, D.C. range from $340 to $569, with an average of $454 over the past 12 months. Anything below $340 counts as a good deal.

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

    Last-minute fares on this route (booked within two weeks of departure) run 53% above the $454 route average. Book 21 weeks before departure for the lowest fares.

  • Have flight prices from Boise to Washington, D.C. 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 $298 to $2,333. That means the highest observed fare was about 8x higher than the lowest one.

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

    One-way fares from Boise to Washington, D.C. are currently lower than usual. Average one-way flight prices are about $152, which is 43% below the typical average for this route.

  • What car rental options are available in Washington, D.C.?

    Since Washington, D.C. is served by multiple airports, car rental options and rates can vary depending on which one you fly into.
    Near Washington, D.C. Reagan-National Airport (DCA) — daily rates from around $23:

    • Sixt
    • Dollar
    • Thrifty
    • Alamo
    • Budget

    Near Washington, D.C. Dulles Intl Airport (IAD) — daily rates from around $24:

    • Dollar
    • Budget
    • Hertz
    • Sixt
    • Thrifty

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

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

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

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

    • Denver Intl (DEN) - 29% of one-stop connections
    • Seattle/Tacoma Intl (SEA) - 22% of one-stop connections
    • Chicago O'Hare Intl (ORD) - 16% of one-stop connections
    • Dallas/Fort Worth (DFW) - 16% of one-stop connections

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

    Yes. Flexible dates can save you up to 33% on flights from Boise to Washington, D.C.. Thursday is the cheapest departure day at $414 round-trip on average, while Sunday is the most expensive at $612, a difference of $198.

    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 Boise to Washington, D.C.?

    Flying via Salt Lake City (SLC) gives the shortest average 1-stop total travel time at 6h 29m, compared with 7h 07m via Minneapolis St Paul (MSP) and 7h 24m via Chicago O'Hare Intl (ORD).

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

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

  • What popular places can I visit in Washington, D.C.?

    Some of the most popular sights in Washington, D.C. are Walter E. Washington Convention Center, National Mall and Capital One Arena. These are among the most viewed places in Washington, D.C. on KAYAK.

Your guide to booking Boise to Washington, D.C. 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 Thursday departure and avoid flying on Sunday. On this route, Thursday flights average $414, about $198 less than Sunday fares (32% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 21 weeks before you fly. On this route, that window historically saves about 66% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Boise to Washington, D.C. trip for August. Fares historically average $350 round-trip in that month - typically $184 less than the most expensive month, which is June (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Washington, D.C. Reagan-National Airport.

    • Hyatt House Washington DC The Wharf
    • Pendry Washington DC - The Wharf
    • Intercontinental Hotels Washington D.C. - The Wharf By IHG

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

Complete your trip to Washington, D.C. with a hotel stay or car rental

Car rentals in Washington, D.C.
Hotels in Washington, D.C.
Vacations in Washington, D.C.