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.. Visit our flight page for the latest deals!>/a>

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. Visit our flight page for the latest deals!>/a>

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. Visit our flight page for the latest deals!>/a>

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. Visit our flight page for the latest deals!>/a>

$131 CHEAP FLIGHTS from Idaho to Washington, D.C.

KAYAK searches hundreds of travel sites at once for deals on flights 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.

Fri, Jun 5 - Sun, Jun 14

12:33 pm - 12:59 pm

GEG

DCA

21h 26m

1 stop

6:00 pm - 11:36 am

DCA

GEG

20h 36m

1 stop

$236Frontier

Thu, May 28 - Tue, Jun 2

1:25 pm - 9:58 pm

BOI

DCA

6h 33m

1 stop

7:00 am - 12:30 pm

DCA

BOI

7h 30m

1 stop

$250Frontier

Fri, Jun 5 - Sun, Jun 14

12:33 pm - 12:59 pm

GEG

DCA

21h 26m

1 stop

6:00 pm - 11:36 am

DCA

GEG

20h 36m

1 stop

$252Frontier

Sat, Sep 19 - Sat, Sep 26

2:44 pm - 11:24 pm

BOI

IAD

6h 40m

1 stop

2:43 pm - 9:31 pm

IAD

BOI

8h 48m

1 stop

$263United Airlines

Tue, Sep 22 - Sat, Sep 26

6:00 am - 3:40 pm

BOI

DCA

7h 40m

1 stop

5:00 pm - 11:56 pm

DCA

BOI

8h 56m

1 stop

$263Delta

Sat, Sep 19 - Tue, Sep 22

5:40 am - 1:55 pm

BOI

BWI

6h 15m

1 stop

7:00 pm - 11:29 pm

BWI

BOI

6h 29m

1 stop

$263Delta

Tue, Sep 22 - Tue, Sep 29

5:11 pm - 8:38 am

BOI

IAD

13h 27m

2 stops

2:46 pm - 10:17 pm

IAD

BOI

9h 31m

1 stop

$271American Airlines

Tue, Sep 22 - Tue, Sep 29

5:11 pm - 8:38 am

BOI

IAD

13h 27m

2 stops

2:46 pm - 10:17 pm

IAD

BOI

9h 31m

1 stop

$273American Airlines

Sat, Jul 4 - Wed, Jul 8

7:25 am - 8:40 pm

BOI

BWI

11h 15m

2 stops

6:20 am - 2:40 pm

BWI

BOI

10h 20m

2 stops

$283Southwest

Wed, Sep 2 - Mon, Sep 7

4:10 pm - 12:40 am

IDA

IAD

6h 30m

1 stop

6:30 am - 1:24 pm

IAD

IDA

8h 54m

1 stop

$349United Airlines

Useful Info

Low season	January
High season	April
Cheapest flight	$131

Best time to beat the crowds with an average 25% drop in price.

Flight from Boise to Reagan Washington National 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

Ellicott City

Colonial Beach

Pikesville

Camp Springs

Hunt Valley

Lutherville Timonium

Westminster

Chesapeake Beach

Stevensville

Hyattsville

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

Cabin class

Complete your trip

Direct Flights

Flights to other cities

Origins

Other airports

Return flight deals

Cabin class types available on flights to Idaho

First Class flights to Washington, D.C.

Business Class flights to Washington, D.C.

Premium Economy Class flights to Washington, D.C.

Economy Class flights to Washington, D.C.

$111 Find Cheap Flights from Idaho to Washington, D.C.

KAYAK searches hundreds of travel sites at once for deals on flights to Washington, D.C.

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.

Good to know

FAQs for booking flights from Idaho to Washington, D.C.

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.

Traveling to a place near Washington, D.C.?

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

Cabin class types available on flights to Idaho

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

Find direct flights for Washington, D.C.

Flights to other popular destinations

Flights from domestic origins to Washington, D.C.

Choose which airport to fly into in Washington, D.C.

Find deals for your return flight