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>

$85 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

$213

Typical prices: $300-$375

Southwest

Tue 2/3Sat 2/7

BOI - IAD • 1 stop

Cheapest non-stop

$473

United Airlines

Sat 2/14Sat 2/21

JAC - IAD • Non-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.

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

Direct

Recent round-trip flight deals from Idaho to Washington, D.C.

Tue, Feb 3 - Sat, Feb 7

1:30 pm - 9:55 pmBOI-IAD

6h 25m1 stop

7:00 am - 3:15 pmIAD-BOI

10h 15m1 stop

$213Southwest

Find Deal

Tue, Feb 3 - Sat, Feb 7

11:20 am - 7:45 pmBOI-BWI

6h 25m1 stop

7:30 am - 3:15 pmBWI-BOI

9h 45m1 stop

$213Southwest

Find Deal

Tue, Nov 11 - Sat, Nov 15

8:59 pm - 9:59 pmGEG-DCA

22h 00m1 stop

8:00 am - 12:22 amDCA-GEG

19h 22m1 stop

$246Alaska Airlines

Find Deal

Tue, Nov 18 - Thu, Dec 4

1:10 pm - 12:54 amGEG-IAD

8h 44m1 stop

7:15 am - 2:55 pmIAD-GEG

10h 40m1 stop

$247Delta

Find Deal

Tue, Mar 3 - Wed, Mar 4

1:00 pm - 11:16 pmGEG-IAD

7h 16m1 stop

6:15 am - 1:14 pmIAD-GEG

9h 59m1 stop

$251Delta

Find Deal

Tue, Feb 3 - Sat, Feb 7

10:28 am - 9:41 pmBOI-BWI

9h 13m2 stops

10:05 am - 7:45 pmBWI-BOI

11h 40m2 stops

$255United Airlines

Find Deal

Thu, Nov 13 - Mon, Nov 17

12:33 pm - 9:59 pmBOI-DCA

7h 26m1 stop

8:59 am - 11:49 pmDCA-BOI

16h 50m1 stop

$277Multiple Airlines

Find Deal

Wed, Nov 12 - Wed, Nov 19

6:05 pm - 6:23 amBOI-IAD

10h 18m1 stop

7:43 am - 4:17 pmIAD-BOI

10h 34m1 stop

$284Alaska Airlines

Find Deal

Sun, Nov 16 - Sun, Nov 23

9:16 pm - 5:24 amGEG-BWI

29h 08m1 stop

6:21 pm - 10:55 amBWI-GEG

43h 34m2 stops

$312Multiple Airlines

Find Deal

Mon, Dec 22 - Fri, Jan 2

2:07 pm - 11:06 pmJAC-IAD

6h 59m1 stop

4:00 pm - 8:52 pmIAD-JAC

6h 52m1 stop

$325United Airlines

Find Deal

Useful Info

Low season	July
High season	June
Cheapest flight	$85

Best time to beat the crowds with an average 0% drop in price.

Most popular time to fly and prices are also 3% 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

Ellicott City

Greenbelt

Colonial Beach

Edgewood

Pikesville

Lutherville Timonium

Hunt Valley

Stevensville

Hyattsville

Camp Springs

Capitol Heights

Westminster

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.

$85 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.

Recent direct 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