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.

$108 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.

Thu, Oct 8 - Mon, Oct 12

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

$204Frontier

Mon, Sep 14 - Thu, Sep 17

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

$204Frontier

Sat, Oct 17 - Thu, Oct 29

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

9h 11m1 stop Atlanta Hartsfield-Jackson

7:20 am - 12:35 pmBWI Baltimore/Washington-BOI Boise Air Term. Gowen Fld

7h 15m1 stop Minneapolis St Paul

$303Delta

Mon, Oct 19 - Sat, Oct 31

6:49 pm - 5:45 amBOI Boise Air Term. Gowen Fld-BWI Baltimore/Washington

8h 56m1 stop Salt Lake City

2:59 pm - 8:36 pmBWI Baltimore/Washington-BOI Boise Air Term. Gowen Fld

7h 37m1 stop Minneapolis St Paul

$303Delta

Sat, Oct 17 - Wed, Oct 21

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

6h 52m1 stop Chicago O'Hare Intl

7:00 am - 1:51 pmBWI Baltimore/Washington-BOI Boise Air Term. Gowen Fld

8h 51m1 stop Dallas/Fort Worth

$303American Airlines

Sat, Sep 19 - 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

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

8h 49m1 stop Chicago O'Hare Intl

$303American Airlines

Tue, Sep 15 - Tue, Sep 29

5:00 am - 1:30 pmBOI Boise Air Term. Gowen Fld-IAD Washington, D.C. Dulles Intl

6h 30m1 stop Denver Intl

5:27 pm - 10:33 pmIAD Washington, D.C. Dulles Intl-BOI Boise Air Term. Gowen Fld

7h 06m1 stop Denver Intl

$303United Airlines

Wed, Sep 9 - Wed, Sep 16

2:41 pm - 11:19 pmBOI Boise Air Term. Gowen Fld-IAD Washington, D.C. Dulles Intl

6h 38m1 stop Denver Intl

6:15 am - 11:26 amIAD Washington, D.C. Dulles Intl-BOI Boise Air Term. Gowen Fld

7h 11m1 stop Chicago O'Hare Intl

$303United Airlines

Tue, Sep 22 - Wed, Sep 23

4:20 pm - 6:30 amBOI Boise Air Term. Gowen Fld-BWI Baltimore/Washington

12h 10m1 stop Seattle/Tacoma Intl

7:15 pm - 9:56 amBWI Baltimore/Washington-BOI Boise Air Term. Gowen Fld

16h 41m1 stop Seattle/Tacoma Intl

$323Alaska Airlines

Mon, Oct 5 - Tue, Oct 6

4:41 pm - 5:40 amGEG Spokane-IAD Washington, D.C. Dulles Intl

9h 59m1 stop Seattle/Tacoma Intl

7:24 pm - 10:50 pmIAD Washington, D.C. Dulles Intl-GEG Spokane

30h 26m1 stop San Diego

$338Alaska Airlines

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

Sat, Aug 22 - Mon, Aug 24

1:59 pm - 11:48 pmBOI Boise Air Term. Gowen Fld-DCA Washington, D.C. Reagan-National

7h 49m1 stop Atlanta Hartsfield-Jackson

4:35 pm - 11:53 pmDCA Washington, D.C. Reagan-National-BOI Boise Air Term. Gowen Fld

9h 18m1 stop Seattle/Tacoma Intl

$363Delta

Sat, Aug 22 - Tue, Aug 25

1:59 pm - 11:48 pmBOI Boise Air Term. Gowen Fld-DCA Washington, D.C. Reagan-National

7h 49m1 stop Atlanta Hartsfield-Jackson

6:59 pm - 11:59 pmDCA Washington, D.C. Reagan-National-BOI Boise Air Term. Gowen Fld

7h 00m1 stop Minneapolis St Paul

$363Delta

Sat, Aug 22 - Tue, Aug 25

5:40 am - 7:15 pmGEG Spokane-DCA Washington, D.C. Reagan-National

10h 35m1 stop Dallas/Fort Worth

9:07 am - 1:37 pmDCA Washington, D.C. Reagan-National-GEG Spokane

7h 30m1 stop Chicago O'Hare Intl

$476American Airlines

Sat, Aug 22 - Tue, Aug 25

5:40 am - 6:14 pmGEG Spokane-DCA Washington, D.C. Reagan-National

9h 34m2 stops Dallas/Fort Worth Charlotte Douglas

7:29 am - 2:09 pmDCA Washington, D.C. Reagan-National-GEG Spokane

9h 40m1 stop Phoenix Sky Harbor Intl

$481American Airlines

Sat, Aug 22 - Tue, Aug 25

1:27 pm - 11:59 pmGEG Spokane-IAD Washington, D.C. Dulles Intl

7h 32m1 stop Seattle/Tacoma Intl

5:47 pm - 11:59 pmIAD Washington, D.C. Dulles Intl-GEG Spokane

9h 12m1 stop Seattle/Tacoma Intl

$484Alaska Airlines

Mon, Aug 24 - Mon, Aug 24

6:00 am - 4:55 pmGEG Spokane-DCA Washington, D.C. Reagan-National

7h 55m1 stop Chicago Midway

6:40 pm - 10:40 pmDCA Washington, D.C. Reagan-National-GEG Spokane

7h 00m1 stop Chicago Midway

$529Southwest

Sat, Aug 22 - Wed, Aug 26

6:00 am - 3:40 pmBOI Boise Air Term. Gowen Fld-BWI Baltimore/Washington

7h 40m1 stop Portland

7:50 am - 2:22 pmBWI Baltimore/Washington-BOI Boise Air Term. Gowen Fld

8h 32m1 stop Seattle/Tacoma Intl

$537Alaska Airlines

Sat, Aug 22 - Tue, Aug 25

6:10 am - 5:10 pmBOI Boise Air Term. Gowen Fld-BWI Baltimore/Washington

9h 00m1 stop Phoenix Sky Harbor Intl

9:40 am - 2:50 pmBWI Baltimore/Washington-BOI Boise Air Term. Gowen Fld

7h 10m1 stop Denver Intl

$552Southwest

Sat, Aug 22 - Tue, Aug 25

5:00 am - 3:06 pmGEG Spokane-DCA Washington, D.C. Reagan-National

7h 06m1 stop Denver Intl

6:30 am - 11:39 amDCA Washington, D.C. Reagan-National-GEG Spokane

8h 09m1 stop Chicago O'Hare Intl

$586United Airlines

Sat, Aug 22 - Tue, Aug 25

10:36 am - 10:52 pmBOI Boise Air Term. Gowen Fld-DCA Washington, D.C. Reagan-National

10h 16m2 stops Denver Intl Chicago O'Hare Intl

5:10 pm - 10:53 pmDCA Washington, D.C. Reagan-National-BOI Boise Air Term. Gowen Fld

7h 43m1 stop Chicago O'Hare Intl

$716United Airlines

Useful Info

Low season	January
High season	April
Cheapest flight	$108

Best time to beat the crowds with an average 31% drop in price.

Most popular time to fly and prices are also 3% 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

Chesapeake Beach

Edgewood

Camp Springs

Ellicott City

Pikesville

Hunt Valley

Colonial Beach

Lutherville Timonium

Capitol Heights

Westminster

Stevensville

Everything you need to know for your flight to Washington, D.C.

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$108 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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