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>

$83 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.

Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Idaho to Washington, D.C. that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.

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.

Wed, Oct 29 - Sat, Nov 1

1:27 pm - 11:48 pmBOI-BWI

8h 21m1 stop

6:00 am - 12:47 pmBWI-BOI

8h 47m1 stop

$169American Airlines

Find Deal

Tue, Oct 21 - Sat, Oct 25

12:33 pm - 10:48 pmGEG-IAD

7h 15m1 stop

11:41 am - 6:46 pmIAD-GEG

10h 05m1 stop

$173American Airlines

Find Deal

Sat, Aug 16 - Sat, Aug 23

3:05 pm - 5:05 amGEG-BWI

11h 00m1 stop

6:05 am - 11:30 amBWI-GEG

8h 25m1 stop

$174Southwest

Find Deal

Sat, Aug 16 - Sat, Aug 23

3:05 pm - 5:00 amGEG-BWI

10h 55m2 stops

6:05 am - 11:30 amBWI-GEG

8h 25m1 stop

$179Southwest

Find Deal

Thu, Aug 14 - Wed, Aug 20

11:39 pm - 9:12 amBOI-IAD

7h 33m1 stop

6:15 am - 2:01 pmIAD-BOI

9h 46m1 stop

$197Delta

Find Deal

Tue, Aug 5 - Tue, Aug 12

11:09 pm - 9:19 amGEG-IAD

7h 10m1 stop

7:35 am - 12:41 pmIAD-GEG

8h 06m1 stop

$197Delta

Find Deal

Tue, Sep 9 - Thu, Sep 11

8:46 pm - 7:33 amBOI-IAD

8h 47m1 stop

7:00 am - 3:00 pmIAD-BOI

10h 00m1 stop

$200Hawaiian Airlines

Find Deal

Thu, Sep 18 - Tue, Sep 23

5:45 pm - 7:33 amBOI-IAD

11h 48m1 stop

7:00 am - 3:00 pmIAD-BOI

10h 00m1 stop

$201Alaska Airlines

Find Deal

Thu, Oct 2 - Wed, Oct 8

5:45 pm - 5:39 amBOI-BWI

9h 54m1 stop

7:51 am - 2:36 pmBWI-BOI

8h 45m1 stop

$201Alaska Airlines

Find Deal

Wed, Sep 3 - Sun, Sep 7

8:46 pm - 7:33 amBOI-IAD

8h 47m1 stop

7:00 am - 3:00 pmIAD-BOI

10h 00m1 stop

$212Hawaiian Airlines

Find Deal

Useful Info

Low season	February
High season	June
Cheapest flight	$83

Best time to beat the crowds with an average 14% drop in price.

Most popular time to fly with an average 6% 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.

Clinton

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.

Prem Econ Class flights to Washington, D.C.

Economy Class flights to Washington, D.C.

Not what you’re looking for? Find thousands of other hotels, flights, car rentals and package deals with KAYAK.

$83 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