What airlines fly to Idaho?

United Airlines, Delta and Southwest are the top three most popular airlines that fly to Idaho from District of Columbia according to our data. United Airlines is the first choice among our users, with 48% of people opting to fly with this airline when traveling to Idaho. Keep in mind that there are 5 different airlines that fly to Idaho on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from District of Columbia to Idaho?

Delta, United Airlines, and American Airlines are the most popular carriers operating from District of Columbia to Idaho

When did momondo last update prices for flights from District of Columbia to Idaho?

Prices for flights from District of Columbia to Idaho are refreshed on a daily basis.

How many operators does momondo search for flights from District of Columbia to Idaho?

As of July 2026, there are 5 operators available to choose from for flights from District of Columbia to Idaho.

How old do you have to be to fly from District of Columbia to Idaho?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from District of Columbia to Idaho.

What documentation or ID do you need to fly to Idaho?

The travel and health documents required for your trip to Idaho can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Idaho. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$104 Cheap Flights from District of Columbia to Idaho in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from District of Columbia to Idaho

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

8:00 am - 3:31 pm

DCA

BOI

9h 31m

1 stop

1:24 pm - 9:59 pm

BOI

DCA

6h 35m

1 stop

$288Multiple Airlines

Wed, Aug 26 - Tue, Sep 1

6:00 am - 1:42 pm

IAD

BOI

9h 42m

1 stop

5:30 am - 1:31 pm

BOI

IAD

6h 01m

1 stop

$293Delta

Sun, Sep 6 - Wed, Sep 9

4:35 pm - 11:35 pm

DCA

BOI

9h 00m

2 stops

6:00 am - 5:00 pm

BOI

DCA

9h 00m

1 stop

$298Southwest

Mon, Aug 17 - Tue, Aug 25

6:09 am - 11:16 am

IAD

BOI

7h 07m

1 stop

6:44 am - 6:27 pm

BOI

IAD

9h 43m

1 stop

$299American Airlines

Tue, Aug 18 - Sat, Aug 22

6:09 am - 11:16 am

IAD

BOI

7h 07m

1 stop

6:44 am - 6:27 pm

BOI

IAD

9h 43m

1 stop

$300American Airlines

Tue, Aug 18 - Sat, Aug 22

7:48 am - 3:31 pm

DCA

BOI

9h 43m

1 stop

12:24 pm - 10:52 pm

BOI

DCA

8h 28m

1 stop

$312United Airlines

Sat, Aug 15 - Sat, Aug 22

6:10 am - 11:28 am

IAD

BOI

7h 18m

1 stop

12:26 pm - 10:52 pm

BOI

IAD

8h 26m

1 stop

$320United Airlines

Wed, Oct 14 - Sat, Oct 17

8:00 am - 2:47 pm

DCA

GEG

9h 47m

1 stop

7:24 pm - 4:00 pm

GEG

DCA

17h 36m

1 stop

$328Alaska Airlines

Tue, Aug 25 - Mon, Aug 31

10:59 am - 11:53 pm

DCA

GEG

15h 54m

1 stop

7:00 am - 8:00 pm

GEG

DCA

10h 00m

1 stop

$341Alaska Airlines

Wed, Sep 16 - Thu, Sep 17

3:30 pm - 10:00 pm

DCA

GEG

9h 30m

2 stops

7:00 am - 7:10 pm

GEG

DCA

9h 10m

2 stops

$342Southwest

Fri, Sep 25 - Tue, Sep 29

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Southwest flights from District of Columbia to Idaho

Our best Southwest deals on District of Columbia to Idaho flight tickets

Southwest

Aug 17

DCA4:35 pmWashington, D.C. Reagan-National

9h 00m

2 stops

BOI11:35 pmBoise Air Term. Gowen Fld

Aug 25

BOI6:00 amBoise Air Term. Gowen Fld

9h 00m

1 stop

DCA5:00 pmWashington, D.C. Reagan-National

$298

Southwest

Sep 25

DCA3:30 pmWashington, D.C. Reagan-National

9h 30m

2 stops

GEG10:00 pmSpokane

Sep 29

GEG7:00 amSpokane

9h 10m

2 stops

DCA7:10 pmWashington, D.C. Reagan-National

$342

Southwest

Aug 26

DCA4:50 pmWashington, D.C. Reagan-National

8h 35m

2 stops

GEG10:25 pmSpokane

Sep 2

GEG6:15 amSpokane

7h 45m

1 stop

DCA5:00 pmWashington, D.C. Reagan-National

$352

United Airlines flights from District of Columbia to Idaho

Our best United Airlines deals on District of Columbia to Idaho flight tickets

United Airlines

Aug 15

DCA7:48 amWashington, D.C. Reagan-National

9h 43m

1 stop

BOI3:31 pmBoise Air Term. Gowen Fld

Aug 22

BOI12:24 pmBoise Air Term. Gowen Fld

8h 28m

1 stop

DCA10:52 pmWashington, D.C. Reagan-National

$312

United Airlines

Oct 14

IAD6:10 amWashington, D.C. Dulles Intl

7h 18m

1 stop

BOI11:28 amBoise Air Term. Gowen Fld

Oct 17

BOI12:26 pmBoise Air Term. Gowen Fld

8h 26m

1 stop

IAD10:52 pmWashington, D.C. Dulles Intl

$320

United Airlines

Aug 28

IAD10:10 amWashington, D.C. Dulles Intl

7h 13m

1 stop

IDA3:23 pmIdaho Falls Fanning Field

Aug 31

IDA4:04 pmIdaho Falls Fanning Field

6h 28m

1 stop

IAD12:32 amWashington, D.C. Dulles Intl

$349

momondo Fare Finder

Use the filters below to find and compare flights from District of Columbia to Idaho that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Boise

DCA - BOI

DCABOI

Washington, D.C. Reagan-National

Wed 8/26

8:00 am-3:31 pm

1 stop9h 31m

Boise Air Term. Gowen Fld

Tue 9/1

1:24 pm-9:59 pm

1 stop6h 35m

$288

Quickest round-trip

Washington, D.C.Boise

IAD - BOI

IADBOI

Washington, D.C. Dulles Intl

Sun 9/6

6:00 am-1:42 pm

1 stop9h 42m

Boise Air Term. Gowen Fld

Wed 9/9

5:30 am-1:31 pm

1 stop6h 01m

$293

Washington, D.C.Boise

DCA - BOI

DCABOI

Washington, D.C. Reagan-National

Mon 8/17

4:35 pm-11:35 pm

2 stops9h 00m

Boise Air Term. Gowen Fld

Tue 8/25

6:00 am-5:00 pm

1 stop9h 00m

$298

Washington, D.C.Boise

IAD - BOI

IADBOI

Washington, D.C. Dulles Intl

Tue 8/18

6:09 am-11:16 am

1 stop7h 07m

Boise Air Term. Gowen Fld

Sat 8/22

6:44 am-6:27 pm

1 stop9h 43m

$299

Washington, D.C.Boise

IAD - BOI

IADBOI

Washington, D.C. Dulles Intl

Tue 8/18

6:09 am-11:16 am

1 stop7h 07m

Boise Air Term. Gowen Fld

Sat 8/22

6:44 am-6:27 pm

1 stop9h 43m

$300

Washington, D.C.Boise

DCA - BOI

DCABOI

Washington, D.C. Reagan-National

Sat 8/15

7:48 am-3:31 pm

1 stop9h 43m

Boise Air Term. Gowen Fld

Sat 8/22

12:24 pm-10:52 pm

1 stop8h 28m

$312

Washington, D.C.Boise

IAD - BOI

IADBOI

Washington, D.C. Dulles Intl

Wed 10/14

6:10 am-11:28 am

1 stop7h 18m

Boise Air Term. Gowen Fld

Sat 10/17

12:26 pm-10:52 pm

1 stop8h 26m

$320

Washington, D.C.Spokane

DCA - GEG

DCAGEG

Washington, D.C. Reagan-National

Tue 8/25

8:00 am-2:47 pm

1 stop9h 47m

Spokane

Mon 8/31

7:24 pm-4:00 pm

1 stop17h 36m

$328

Washington, D.C.Spokane

DCA - GEG

DCAGEG

Washington, D.C. Reagan-National

Wed 9/16

10:59 am-11:53 pm

1 stop15h 54m

Spokane

Thu 9/17

7:00 am-8:00 pm

1 stop10h 00m

$341

Washington, D.C.Spokane

DCA - GEG

DCAGEG

Washington, D.C. Reagan-National

Fri 9/25

3:30 pm-10:00 pm

2 stops9h 30m

Spokane

Tue 9/29

7:00 am-7:10 pm

2 stops9h 10m

$342

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from District of Columbia to Idaho

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest month to fly to Idaho?

In general, August is the cheapest month to fly from District of Columbia to Idaho. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $385. If you don’t want to visit Idaho in August, then you should wait until May to fly from District of Columbia, when ticket prices are also cheap, with an average price of $389.

Can stopping save me money on District of Columbia to Idaho flights?

You could potentially save up to 46% on your flight if you consider stops on a District of Columbia to Idaho flight.

Cheap District of Columbia to Idaho flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from District of Columbia to Idaho

Fastest flight time	4h 40m
Direct flights	Sun
Airports in Idaho	27 airports

The fastest flight from District of Columbia to Idaho takes 4h 40m

Direct flights go from District of Columbia to Idaho on Sunday. There are no airlines offering direct flights.

There are 27 airports in Idaho. From District of Columbia there are direct flights to Jackson Hole (JAC).

Search flight deals

Frequently asked questions about flying from District of Columbia to Idaho

When did momondo last update prices for flights from District of Columbia to Idaho?
Prices for flights from District of Columbia to Idaho are refreshed on a daily basis.
How many operators does momondo search for flights from District of Columbia to Idaho?
As of July 2026, there are 5 operators available to choose from for flights from District of Columbia to Idaho.
How old do you have to be to fly from District of Columbia to Idaho?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from District of Columbia to Idaho.
What documentation or ID do you need to fly to Idaho?
The travel and health documents required for your trip to Idaho can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Idaho. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from District of Columbia to Idaho

Compare and see reviews for airlines that fly from District of Columbia to Idaho with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $150	Free Cancellation	Rating 7.8 8,476 reviews	Search Delta flights
Alaska Airlines	PriceFrom $179	Free Cancellation	Rating 7.9 12,689 reviews	Search Alaska Airlines flights
United Airlines	PriceFrom $221	Free Cancellation	Rating 7.4 10,019 reviews	Search United Airlines flights
American Airlines	PriceFrom $262	Free Cancellation	Rating 7.1 11,835 reviews	Search American Airlines flights
Southwest	PriceFrom $342	Free Cancellation	Rating 8.0 4,240 reviews	Search Southwest flights

Why use momondo?

Why should I use momondo to find a flight deal from District of Columbia to Idaho?

It is quick and easy to find District of Columbia to Idaho flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Idaho that suits you.

Can I find flights from District of Columbia to Idaho with flexible booking policies on momondo?

Yes. All flights to Idaho from District of Columbia on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from District of Columbia to Idaho?

momondo provides multiple filters to help you find the best flight to Idaho from District of Columbia. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from District of Columbia to Idaho right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Idaho from District of Columbia. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.