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.

$101 CHEAP FLIGHTS from Idaho to Washington, D.C.

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Flight Deals

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.

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

$214Delta

Wed, Dec 9 - Sat, Dec 12

2:13 pm - 11:55 pmGEG Spokane-DCA Washington, D.C. Reagan-National

6h 42m1 stop Chicago O'Hare Intl

5:00 am - 12:01 pmDCA Washington, D.C. Reagan-National-GEG Spokane

10h 01m1 stop Dallas/Fort Worth

$221American Airlines

Wed, Oct 7 - Wed, Oct 14

5:10 am - 3:23 pmGEG Spokane-DCA Washington, D.C. Reagan-National

7h 13m1 stop Seattle/Tacoma Intl

4:45 pm - 11:50 pmDCA Washington, D.C. Reagan-National-GEG Spokane

10h 05m1 stop Seattle/Tacoma Intl

$221Delta

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 10 - Sat, Oct 17

3:24 pm - 11:59 pmBOI Boise Air Term. Gowen Fld-DCA Washington, D.C. Reagan-National

6h 35m1 stop Chicago O'Hare Intl

5:00 am - 11:24 amDCA Washington, D.C. Reagan-National-BOI Boise Air Term. Gowen Fld

8h 24m1 stop Dallas/Fort Worth

$229American Airlines

Tue, Dec 8 - Fri, Dec 11

1:05 pm - 11:20 pmBOI Boise Air Term. Gowen Fld-DCA Washington, D.C. Reagan-National

8h 15m2 stops Denver Intl Chicago Midway

6:40 pm - 1:25 amDCA Washington, D.C. Reagan-National-BOI Boise Air Term. Gowen Fld

8h 45m1 stop Las Vegas Harry Reid Intl

$231Southwest

Wed, Oct 21 - Tue, Oct 27

1:05 pm - 6:41 amGEG Spokane-BWI Baltimore/Washington

14h 36m2 stops San Francisco Los Angeles Los Angeles

4:19 pm - 9:11 pmBWI Baltimore/Washington-GEG Spokane

7h 52m1 stop Denver Intl

$256United Airlines

Wed, Oct 21 - Tue, Oct 27

1:05 pm - 6:41 amGEG Spokane-BWI Baltimore/Washington

14h 36m2 stops San Francisco Los Angeles Los Angeles

6:10 am - 12:47 pmBWI Baltimore/Washington-GEG Spokane

9h 37m2 stops Chicago O'Hare Intl Denver Intl

$261United Airlines

Sat, Oct 24 - Mon, Oct 26

4:55 pm - 5:40 amBOI Boise Air Term. Gowen Fld-BWI Baltimore/Washington

10h 45m1 stop Phoenix Sky Harbor Intl

7:25 pm - 1:05 amBWI Baltimore/Washington-BOI Boise Air Term. Gowen Fld

7h 40m1 stop Las Vegas Harry Reid Intl

$263Southwest

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

$299Alaska Airlines

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

Sat, Sep 19 - Tue, Sep 22

2:50 pm - 11:59 pmBOI Boise Air Term. Gowen Fld-DCA Washington, D.C. Reagan-National

7h 09m1 stop Minneapolis St Paul

4:45 pm - 10:34 pmDCA Washington, D.C. Reagan-National-BOI Boise Air Term. Gowen Fld

7h 49m1 stop Seattle/Tacoma Intl

$383Delta

Tue, Sep 22 - Tue, Sep 29

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

8h 39m1 stop Seattle/Tacoma Intl

8:08 am - 1:01 pmIAD Washington, D.C. Dulles Intl-BOI Boise Air Term. Gowen Fld

6h 53m1 stop Atlanta Hartsfield-Jackson

$383Delta

Tue, Sep 22 - Wed, Sep 30

7:05 pm - 5:55 amBOI Boise Air Term. Gowen Fld-IAD Washington, D.C. Dulles Intl

8h 50m1 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

$383United Airlines

Mon, Sep 21 - Tue, Sep 29

1:09 pm - 12:57 amGEG Spokane-IAD Washington, D.C. Dulles Intl

8h 48m1 stop San Francisco

4:12 pm - 8:49 pmIAD Washington, D.C. Dulles Intl-GEG Spokane

7h 37m1 stop Denver Intl

$385United Airlines

Mon, Sep 21 - Tue, Sep 29

2:19 pm - 11:59 pmGEG Spokane-DCA Washington, D.C. Reagan-National

6h 40m1 stop Chicago O'Hare Intl

6:30 am - 1:19 pmDCA Washington, D.C. Reagan-National-GEG Spokane

9h 49m1 stop Chicago O'Hare Intl

$405American Airlines

Tue, Sep 22 - Tue, Sep 29

8:05 am - 10:51 pmBOI Boise Air Term. Gowen Fld-IAD Washington, D.C. Dulles Intl

12h 46m2 stops Phoenix Sky Harbor Intl Charlotte Douglas

4:56 pm - 10:27 pmIAD Washington, D.C. Dulles Intl-BOI Boise Air Term. Gowen Fld

7h 31m1 stop Dallas/Fort Worth

$444American Airlines

Mon, Sep 21 - Thu, Sep 24

6:32 pm - 5:40 amGEG Spokane-IAD Washington, D.C. Dulles Intl

8h 08m1 stop Seattle/Tacoma Intl

5:57 pm - 11:59 pmIAD Washington, D.C. Dulles Intl-GEG Spokane

9h 02m1 stop Seattle/Tacoma Intl

$450Alaska Airlines

Sun, Sep 20 - Wed, Sep 30

5:21 pm - 5:40 amGEG Spokane-IAD Washington, D.C. Dulles Intl

9h 19m1 stop Seattle/Tacoma Intl

7:00 am - 1:45 pmIAD Washington, D.C. Dulles Intl-GEG Spokane

9h 45m1 stop Seattle/Tacoma Intl

$505Alaska Airlines

Mon, Sep 21 - Tue, Sep 29

10:55 am - 11:55 pmGEG Spokane-DCA Washington, D.C. Reagan-National

10h 00m2 stops Denver Intl Chicago Midway

3:50 pm - 10:30 pmDCA Washington, D.C. Reagan-National-GEG Spokane

9h 40m2 stops Nashville Intl Denver Intl

$522Southwest

Mon, Sep 21 - Tue, Sep 29

6:00 am - 7:50 pmGEG Spokane-DCA Washington, D.C. Reagan-National

10h 50m1 stop Chicago Midway

3:50 pm - 10:30 pmDCA Washington, D.C. Reagan-National-GEG Spokane

9h 40m2 stops Nashville Intl Denver Intl

$544Southwest

Useful Info

Low season	January
High season	April
Cheapest flight	$101

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

Most popular time to fly and prices are also 4% 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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$101 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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