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>

$96 CHEAP FLIGHTS from Idaho to Washington, D.C.

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

...and more

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41,299,237 searches in the past 7 days on KAYAK

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Cheapest round-trip

$257

Overall average: $667

Delta

Sat 3/7Sat 3/14

BOI - IAD • 1 stop

Cheapest one-way

$96

Typical prices: $172-$222

Frontier

Thu 2/5

GEG - DCA • 1 stop

Start a new search

KAYAK searches 100s of sites at once to find you the best travel deals.

We hope you love your trip to Washington, D.C.!

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.

Sat, Mar 7 - Sat, Mar 14

1:51 pm - 11:10 pm

BOI

IAD

7h 19m

1 stop

7:00 am - 1:05 pm

IAD

BOI

8h 05m

1 stop

$257Delta

Sat, Apr 18 - Tue, May 5

1:07 pm - 11:51 pm

GEG

IAD

7h 44m

1 stop

6:00 am - 1:03 pm

IAD

GEG

10h 03m

1 stop

$257Delta

Sun, Feb 22 - Thu, Feb 26

11:56 am - 1:00 pm

BOI

DCA

23h 04m

1 stop

6:00 pm - 11:11 am

DCA

BOI

19h 11m

1 stop

$260Frontier

Thu, Feb 12 - Sun, Feb 15

12:22 pm - 9:59 pm

GEG

DCA

6h 37m

1 stop

8:00 am - 2:16 pm

DCA

GEG

9h 16m

1 stop

$280Frontier

Tue, Feb 17 - Tue, Feb 24

12:25 pm - 11:33 pm

GEG

BWI

8h 08m

1 stop

6:55 am - 11:44 am

BWI

GEG

7h 49m

1 stop

$293American Airlines

Wed, May 6 - Wed, May 13

2:33 pm - 11:27 pm

BOI

BWI

6h 54m

1 stop

6:20 am - 3:26 pm

BWI

BOI

11h 06m

2 stops

$305United Airlines

Mon, Feb 23 - Mon, Mar 2

6:00 pm - 5:40 am

BOI

IAD

9h 40m

1 stop

6:27 pm - 5:35 pm

IAD

BOI

25h 08m

1 stop

$307Alaska Airlines

Mon, Feb 23 - Wed, Feb 25

6:00 pm - 5:40 am

BOI

IAD

9h 40m

1 stop

7:05 am - 2:58 pm

IAD

BOI

9h 53m

1 stop

$310Alaska Airlines

Mon, Feb 23 - Wed, Feb 25

6:55 pm - 7:27 am

BOI

BWI

10h 32m

1 stop

8:42 am - 4:07 pm

BWI

BOI

9h 25m

1 stop

$315United Airlines

Thu, Feb 5 - Mon, Feb 9

7:20 am - 10:03 pm

IDA

DCA

12h 43m

2 stops

1:44 pm - 10:36 pm

DCA

IDA

10h 52m

2 stops

$415American Airlines

Useful Info

Low season	January
High season	June
Cheapest flight	$96

Best time to beat the crowds but there is an average 87% increase in price.

Most popular time to fly and prices are also 7% lower on average.

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

Glen Burnie

Greenbelt

Ellicott City

Edgewood

Colonial Beach

Pikesville

Lutherville Timonium

Hunt Valley

Camp Springs

Stevensville

Westminster

Hyattsville

Capitol Heights

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.

$96 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.

Everything you should know

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