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>

$115 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.

Mon, Jun 1 - Fri, Jun 5

12:33 pm - 4:59 pm

GEG

DCA

25h 26m

1 stop

7:00 am - 11:38 am

DCA

GEG

7h 38m

1 stop

$262Frontier

Tue, Sep 22 - Tue, Sep 29

12:42 pm - 11:55 pm

BOI

IAD

9h 13m

1 stop

6:15 am - 2:03 pm

IAD

BOI

9h 48m

1 stop

$263Delta

Tue, Sep 22 - Sat, Sep 26

12:10 pm - 11:58 pm

BOI

DCA

9h 48m

1 stop

5:00 am - 11:26 am

DCA

BOI

8h 26m

1 stop

$281American Airlines

Tue, Sep 22 - Tue, Sep 29

5:11 pm - 8:38 am

BOI

IAD

13h 27m

2 stops

6:58 am - 4:50 pm

IAD

BOI

11h 52m

2 stops

$284American Airlines

Sat, Sep 19 - Wed, Sep 23

6:00 am - 6:14 pm

GEG

IAD

9h 14m

1 stop

7:00 am - 12:39 pm

IAD

GEG

8h 39m

1 stop

$292Alaska Airlines

Wed, May 27 - Sun, May 31

12:37 pm - 12:55 am

GEG

IAD

9h 18m

1 stop

6:10 am - 11:48 am

IAD

GEG

8h 38m

1 stop

$305United Airlines

Wed, Jul 29 - Sun, Aug 2

4:05 pm - 12:50 am

BOI

BWI

6h 45m

1 stop

7:45 pm - 1:20 am

BWI

BOI

7h 35m

1 stop

$306Southwest

Wed, Jul 29 - Sun, Aug 2

5:30 am - 5:55 pm

BOI

BWI

10h 25m

2 stops

7:45 pm - 1:20 am

BWI

BOI

7h 35m

1 stop

$311Southwest

Thu, Sep 24 - Sun, Sep 27

6:00 am - 6:14 pm

GEG

IAD

9h 14m

1 stop

7:00 am - 12:39 pm

IAD

GEG

8h 39m

1 stop

$322Alaska Airlines

Thu, Jun 4 - Mon, Jun 8

4:23 pm - 12:45 am

JAC

IAD

6h 22m

1 stop

6:10 am - 11:35 am

IAD

JAC

7h 25m

1 stop

$393United Airlines

Useful Info

Low season	January
High season	April
Cheapest flight	$115

Best time to beat the crowds with an average 27% drop in price.

Most popular time to fly with an average 1% increase in price.

Flight from Spokane 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

Chesapeake Beach

Westminster

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.

$115 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