How does KAYAK find such low prices on flights from Idaho to Washington, D.C.?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Idaho to Washington, D.C..

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Idaho to Washington, D.C.?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Washington, D.C. from Idaho is likely to change within 7 days, so travelers know whether to wait or book now.

What is the Hacker Fare option on flights from Idaho to Washington, D.C.?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Washington, D.C. with an airline and back to Idaho with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Idaho to Washington, D.C.?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Washington, D.C. from Idaho up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

$132 CHEAP FLIGHTS from Idaho to Washington, D.C.

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Cheap Flights from Idaho to Washington, D.C.

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

Round-trip

One-way

Last minute

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

Wed, Oct 28 - Sat, Oct 31

12:58 pm - 11:59 pmBOI Boise Air Term. Gowen Fld-IAD Washington, D.C. Dulles Intl

9h 01m1 stop Seattle/Tacoma Intl

7:02 am - 3:23 pmIAD Washington, D.C. Dulles Intl-BOI Boise Air Term. Gowen Fld

10h 21m1 stop Seattle/Tacoma Intl

$227Alaska Airlines

Sat, Oct 24 - Wed, Oct 28

5:59 am - 4:00 pmBOI Boise Air Term. Gowen Fld-DCA Washington, D.C. Reagan-National

8h 01m1 stop Portland

8:00 am - 3:23 pmDCA Washington, D.C. Reagan-National-BOI Boise Air Term. Gowen Fld

9h 23m1 stop Seattle/Tacoma Intl

$227Alaska Airlines

Mon, Nov 2 - Tue, Nov 10

8:59 am - 8:06 pmBOI Boise Air Term. Gowen Fld-IAD Washington, D.C. Dulles Intl

9h 07m1 stop Seattle/Tacoma Intl

7:00 am - 4:05 pmIAD Washington, D.C. Dulles Intl-BOI Boise Air Term. Gowen Fld

11h 05m1 stop Seattle/Tacoma Intl

$291Delta

Mon, Oct 26 - Thu, Oct 29

12:08 pm - 10:49 pmBOI Boise Air Term. Gowen Fld-IAD Washington, D.C. Dulles Intl

8h 41m1 stop Seattle/Tacoma Intl

7:05 am - 3:20 pmIAD Washington, D.C. Dulles Intl-BOI Boise Air Term. Gowen Fld

10h 15m1 stop Seattle/Tacoma Intl

$315Delta

Wed, Oct 14 - Sat, Oct 24

6:50 pm - 5:46 amBOI Boise Air Term. Gowen Fld-IAD Washington, D.C. Dulles Intl

8h 56m1 stop San Francisco

6:10 am - 11:28 amIAD Washington, D.C. Dulles Intl-BOI Boise Air Term. Gowen Fld

7h 18m1 stop Chicago O'Hare Intl

$315United Airlines

Mon, Oct 26 - Thu, Oct 29

7:10 pm - 5:35 amBOI Boise Air Term. Gowen Fld-IAD Washington, D.C. Dulles Intl

8h 25m1 stop San Francisco

6:11 am - 11:31 amIAD Washington, D.C. Dulles Intl-BOI Boise Air Term. Gowen Fld

7h 20m1 stop Chicago O'Hare Intl

$315United Airlines

Mon, Feb 1 - Tue, Feb 9

1:35 pm - 11:59 pmBOI Boise Air Term. Gowen Fld-DCA Washington, D.C. Reagan-National

8h 24m1 stop Dallas/Fort Worth

1:44 pm - 7:59 pmDCA Washington, D.C. Reagan-National-BOI Boise Air Term. Gowen Fld

8h 15m1 stop Dallas/Fort Worth

$315American Airlines

Wed, Oct 21 - Thu, Oct 22

2:41 pm - 11:59 pmBOI Boise Air Term. Gowen Fld-DCA Washington, D.C. Reagan-National

7h 18m1 stop Dallas/Fort Worth

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

Fri, Oct 16 - Fri, Oct 23

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

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

$316Frontier

Mon, Oct 19 - Mon, Oct 26

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

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

$322Frontier

Recent last minute flight deals from Idaho to Washington, D.C.

Mon, Sep 28 - Sat, Oct 3

5:52 pm - 5:40 amBOI Boise Air Term. Gowen Fld-IAD Washington, D.C. Dulles Intl

9h 48m1 stop Seattle/Tacoma Intl

7:02 am - 3:23 pmIAD Washington, D.C. Dulles Intl-BOI Boise Air Term. Gowen Fld

10h 21m1 stop Seattle/Tacoma Intl

$383Alaska Airlines

Mon, Sep 28 - Fri, Oct 2

12:17 pm - 10:56 pmBOI Boise Air Term. Gowen Fld-IAD Washington, D.C. Dulles Intl

8h 39m1 stop Seattle/Tacoma Intl

6:00 am - 1:06 pmIAD Washington, D.C. Dulles Intl-BOI Boise Air Term. Gowen Fld

9h 06m1 stop Atlanta Hartsfield-Jackson

$383Delta

Sat, Sep 26 - Mon, Sep 28

8:49 am - 8:14 pmBOI Boise Air Term. Gowen Fld-IAD Washington, D.C. Dulles Intl

9h 25m1 stop Salt Lake City

6:47 pm - 11:59 pmIAD Washington, D.C. Dulles Intl-BOI Boise Air Term. Gowen Fld

7h 12m1 stop Minneapolis St Paul

$383Delta

Fri, Sep 25 - Mon, Sep 28

5:52 pm - 5:40 amBOI Boise Air Term. Gowen Fld-IAD Washington, D.C. Dulles Intl

9h 48m1 stop Seattle/Tacoma Intl

7:00 am - 2:22 pmIAD Washington, D.C. Dulles Intl-BOI Boise Air Term. Gowen Fld

9h 22m1 stop Seattle/Tacoma Intl

$438Alaska Airlines

Mon, Sep 28 - Fri, Oct 2

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

7:47 pm - 1:47 pmIAD Washington, D.C. Dulles Intl-BOI Boise Air Term. Gowen Fld

20h 00m1 stop San Diego

$486Multiple Airlines

Fri, Sep 25 - Fri, Oct 2

6:50 pm - 5:55 amBOI Boise Air Term. Gowen Fld-IAD Washington, D.C. Dulles Intl

9h 05m1 stop San Francisco

4:15 pm - 11:59 pmIAD Washington, D.C. Dulles Intl-BOI Boise Air Term. Gowen Fld

9h 44m1 stop San Francisco

$513United Airlines

Fri, Sep 25 - Thu, Oct 1

6:50 pm - 7:01 amBOI Boise Air Term. Gowen Fld-IAD Washington, D.C. Dulles Intl

10h 11m1 stop San Francisco

4:15 pm - 11:59 pmIAD Washington, D.C. Dulles Intl-BOI Boise Air Term. Gowen Fld

9h 44m1 stop San Francisco

$513United Airlines

Fri, Sep 25 - Sat, Sep 26

3:21 pm - 11:59 pmBOI Boise Air Term. Gowen Fld-DCA Washington, D.C. Reagan-National

6h 38m1 stop Chicago O'Hare Intl

7:32 am - 1:00 pmDCA Washington, D.C. Reagan-National-BOI Boise Air Term. Gowen Fld

7h 28m1 stop Dallas/Fort Worth

$513American Airlines

Fri, Sep 25 - Mon, Sep 28

3:21 pm - 11:59 pmBOI Boise Air Term. Gowen Fld-DCA Washington, D.C. Reagan-National

6h 38m1 stop Chicago O'Hare Intl

7:42 am - 2:31 pmDCA Washington, D.C. Reagan-National-BOI Boise Air Term. Gowen Fld

8h 49m1 stop Chicago O'Hare Intl

$513American Airlines

Fri, Sep 25 - Mon, Sep 28

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

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

$545Frontier

Useful Info

Low season	January
High season	April
Cheapest flight	$132

Best time to beat the crowds with an average 32% drop in price.

Most popular time to fly and prices are also 5% lower on average.

Flight from Boise to Washington Dulles Airport

How does KAYAK find such low prices on flights from Idaho to Washington, D.C.?
KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Idaho to Washington, D.C..
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Idaho to Washington, D.C.?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Washington, D.C. from Idaho is likely to change within 7 days, so travelers know whether to wait or book now.
What is the Hacker Fare option on flights from Idaho to Washington, D.C.?
Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Washington, D.C. with an airline and back to Idaho with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Idaho to Washington, D.C.?
Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Washington, D.C. from Idaho up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Linthicum Heights

Hanover

Springfield

Gaithersburg

Towson

Oxon Hill

Owings Mills

Greenbelt

Glen Burnie

Edgewood

Chesapeake Beach

Camp Springs

Ellicott City

Pikesville

Hunt Valley

Colonial Beach

Capitol Heights

Lutherville Timonium

Westminster

Clinton

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$132 Find Cheap Flights from Idaho to Washington, D.C. - Compare and Save

Cheap Flights from Idaho to Washington, D.C.

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

Recent one-way flight deals from Idaho to Washington, D.C.

Recent last minute flight deals from Idaho to Washington, D.C.

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