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.

$152 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

Direct

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

Thu, Oct 1 - Wed, Oct 7

2:16 pm - 11:59 pmBOI Boise Air Term. Gowen Fld-IAD Washington, D.C. Dulles Intl

7h 43m1 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

$289Alaska Airlines

Tue, Oct 6 - Tue, Oct 20

3:20 pm - 11:25 pmBOI Boise Air Term. Gowen Fld-BWI Baltimore/Washington

6h 05m1 stop Denver Intl

6:20 am - 1:15 pmBWI Baltimore/Washington-BOI Boise Air Term. Gowen Fld

8h 55m1 stop San Diego

$303Southwest

Sat, Oct 24 - Tue, Oct 27

3:00 pm - 11:23 pmBOI Boise Air Term. Gowen Fld-BWI Baltimore/Washington

6h 23m1 stop Minneapolis St Paul

7:21 pm - 11:59 pmBWI Baltimore/Washington-BOI Boise Air Term. Gowen Fld

6h 38m1 stop Minneapolis St Paul

$303Delta

Sat, Oct 10 - Sat, Oct 17

1:40 pm - 12:51 amBOI Boise Air Term. Gowen Fld-BWI Baltimore/Washington

9h 11m1 stop Atlanta Hartsfield-Jackson

6:00 am - 1:34 pmBWI Baltimore/Washington-BOI Boise Air Term. Gowen Fld

9h 34m1 stop Atlanta Hartsfield-Jackson

$303Delta

Tue, Feb 23 - Sat, Feb 27

1:35 pm - 10:52 pmBOI Boise Air Term. Gowen Fld-BWI Baltimore/Washington

7h 17m1 stop Dallas/Fort Worth

7:17 am - 2:33 pmBWI Baltimore/Washington-BOI Boise Air Term. Gowen Fld

9h 16m1 stop Chicago O'Hare Intl

$303American Airlines

Sat, Oct 17 - Sat, Oct 24

3:24 pm - 12:16 amBOI Boise Air Term. Gowen Fld-BWI Baltimore/Washington

6h 52m1 stop Chicago O'Hare Intl

7:17 am - 2:33 pmBWI Baltimore/Washington-BOI Boise Air Term. Gowen Fld

9h 16m1 stop Chicago O'Hare Intl

$303American Airlines

Wed, Dec 2 - Wed, Dec 9

2:48 pm - 11:13 pmBOI Boise Air Term. Gowen Fld-IAD Washington, D.C. Dulles Intl

6h 25m1 stop Denver Intl

8:22 am - 1:33 pmIAD Washington, D.C. Dulles Intl-BOI Boise Air Term. Gowen Fld

7h 11m1 stop Denver Intl

$303United Airlines

Mon, Oct 26 - Thu, Oct 29

7:37 pm - 5:50 pmBOI Boise Air Term. Gowen Fld-IAD Washington, D.C. Dulles Intl

20h 13m1 stop San Diego

7:24 pm - 1:47 pmIAD Washington, D.C. Dulles Intl-BOI Boise Air Term. Gowen Fld

20h 23m1 stop San Diego

$303Alaska Airlines

Fri, Oct 30 - Mon, Nov 2

12:31 pm - 9:42 pmBOI Boise Air Term. Gowen Fld-BWI Baltimore/Washington

7h 11m1 stop Chicago O'Hare Intl

6:10 am - 11:31 amBWI Baltimore/Washington-BOI Boise Air Term. Gowen Fld

7h 21m1 stop Chicago O'Hare Intl

$313United Airlines

Fri, Oct 23 - Mon, Oct 26

3:50 pm - 12:10 amBOI Boise Air Term. Gowen Fld-BWI Baltimore/Washington

6h 20m1 stop Denver Intl

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

7h 40m1 stop Las Vegas Harry Reid Intl

$313Southwest

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

Sat, Sep 12 - Wed, Sep 16

7:48 pm - 5:40 amBOI Boise Air Term. Gowen Fld-IAD Washington, D.C. Dulles Intl

7h 52m1 stop Seattle/Tacoma Intl

7:00 am - 3:30 pmIAD Washington, D.C. Dulles Intl-BOI Boise Air Term. Gowen Fld

10h 30m1 stop Seattle/Tacoma Intl

$377Alaska Airlines

Tue, Sep 15 - Thu, Sep 17

10:34 am - 10:56 pmBOI Boise Air Term. Gowen Fld-IAD Washington, D.C. Dulles Intl

10h 22m1 stop Seattle/Tacoma Intl

6:00 am - 1:01 pmIAD Washington, D.C. Dulles Intl-BOI Boise Air Term. Gowen Fld

9h 01m1 stop Atlanta Hartsfield-Jackson

$383Delta

Wed, Sep 16 - Sun, Sep 20

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

$394American Airlines

Wed, Sep 16 - Sun, Sep 20

1:15 pm - 11:59 pmBOI Boise Air Term. Gowen Fld-IAD Washington, D.C. Dulles Intl

8h 44m1 stop Seattle/Tacoma 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

$399Multiple Airlines

Wed, Sep 16 - Mon, Sep 21

12:17 pm - 11:59 pmGEG Spokane-IAD Washington, D.C. Dulles Intl

8h 42m1 stop Seattle/Tacoma Intl

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

9h 02m1 stop Seattle/Tacoma Intl

$401Alaska Airlines

Tue, Sep 15 - Thu, Sep 24

10:34 am - 10:56 pmBOI Boise Air Term. Gowen Fld-IAD Washington, D.C. Dulles Intl

10h 22m1 stop Seattle/Tacoma Intl

7:25 am - 3:16 pmIAD Washington, D.C. Dulles Intl-BOI Boise Air Term. Gowen Fld

9h 51m1 stop Seattle/Tacoma Intl

$411Delta

Fri, Sep 11 - Sun, Sep 13

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

$440Frontier

Sat, Sep 12 - Sat, Sep 19

6:15 am - 8:55 pmGEG Spokane-DCA Washington, D.C. Reagan-National

11h 40m1 stop Las Vegas Harry Reid Intl

6:10 am - 2:35 pmDCA Washington, D.C. Reagan-National-GEG Spokane

11h 25m2 stops Chicago Midway Denver Intl

$490Southwest

Fri, Sep 11 - Sun, Sep 13

6:30 am - 10:51 pmGEG Spokane-IAD Washington, D.C. Dulles Intl

13h 21m2 stops Phoenix Sky Harbor Intl Charlotte Douglas

6:52 am - 11:54 amIAD Washington, D.C. Dulles Intl-GEG Spokane

8h 02m1 stop Dallas/Fort Worth

$569American Airlines

Wed, Sep 16 - Sun, Sep 20

12:35 pm - 11:55 pmBOI Boise Air Term. Gowen Fld-DCA Washington, D.C. Reagan-National

9h 20m2 stops Denver Intl Nashville Intl

5:35 pm - 12:40 amDCA Washington, D.C. Reagan-National-BOI Boise Air Term. Gowen Fld

9h 05m1 stop Las Vegas Harry Reid Intl

$624Southwest

Useful Info

Low season	January
High season	April
Cheapest flight	$152

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

Lutherville Timonium

Capitol Heights

Westminster

Stevensville

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$152 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.

Recent direct flight deals from Idaho to Washington, D.C.

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