What airlines fly to District of Columbia?

United Airlines, Delta and Southwest are the top three most popular airlines that fly to District of Columbia from Idaho according to our data. United Airlines is the first choice among our users, with 39% of people opting to fly with this airline when traveling to District of Columbia. Keep in mind that there are 5 different airlines that fly to District of Columbia on a routine basis, so you have a few additional options to choose from.

How long is the flight from Idaho to District of Columbia?

On average, it takes 6h 05m to fly from Idaho to District of Columbia if you fly out of Boise (the most popular airport in Idaho) and into Washington, D.C. Dulles Intl Airport (the most popular airport in District of Columbia). If you’re flying out of Hailey and into Washington, D.C. Dulles Intl Airport, then the flight time is around 6h 10m.

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

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

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

Prices for flights from Idaho to District of Columbia are updated daily.

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

The number of operators available for flights from Idaho to District of Columbia is 5 as of March 2026.

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

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Idaho to District of Columbia.

What documentation or ID do you need to fly to District of Columbia?

The required travel and health documents for your District of Columbia trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at District of Columbia. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$80 Cheap Flights from Idaho to District of Columbia in 2026

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Find the cheapest flights from Idaho to District of Columbia

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

11:44 am - 4:59 pm

GEG

DCA

26h 15m

1 stop

6:00 pm - 10:49 am

DCA

GEG

19h 49m

1 stop

$162Frontier

Thu, Apr 23 - Sat, May 2

11:44 am - 9:59 pm

GEG

DCA

7h 15m

1 stop

6:00 pm - 10:49 am

DCA

GEG

19h 49m

1 stop

$185Frontier

Thu, Apr 23 - Sat, May 2

11:39 pm - 9:16 am

BOI

IAD

7h 37m

1 stop

7:00 am - 2:41 pm

IAD

BOI

9h 41m

1 stop

$243Delta

Wed, May 27 - Tue, Jun 2

3:23 pm - 11:43 pm

BOI

DCA

6h 20m

1 stop

4:39 pm - 12:17 am

DCA

BOI

9h 38m

1 stop

$243Delta

Wed, Apr 15 - Wed, Apr 29

1:45 pm - 11:40 pm

GEG

IAD

6h 55m

1 stop

6:20 am - 10:15 am

IAD

GEG

6h 55m

1 stop

$243Southwest

Tue, Apr 21 - Tue, Apr 28

7:00 am - 11:40 pm

GEG

IAD

13h 40m

2 stops

6:20 am - 10:15 am

IAD

GEG

6h 55m

1 stop

$248Southwest

Tue, Apr 21 - Tue, Apr 28

4:10 pm - 12:45 am

IDA

IAD

6h 35m

1 stop

6:30 am - 1:25 pm

IAD

IDA

8h 55m

1 stop

$369United Airlines

Thu, May 28 - Mon, Jun 1

6:00 am - 6:11 pm

IDA

IAD

10h 11m

1 stop

7:11 pm - 4:19 pm

IAD

IDA

23h 08m

1 stop

$419Alaska Airlines

Wed, Apr 15 - Mon, Apr 20

8:40 am - 5:37 pm

JAC

IAD

6h 57m

1 stop

1:20 pm - 6:52 pm

IAD

JAC

7h 32m

1 stop

$427United Airlines

Tue, Aug 25 - Sat, Sep 12

4:06 pm - 5:50 am

IDA

IAD

11h 44m

1 stop

7:10 am - 10:40 pm

IAD

IDA

17h 30m

1 stop

$486Alaska Airlines

Fri, Apr 24 - Sun, Apr 26

Delta flights from Idaho to District of Columbia

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

Delta

May 27

BOI11:39 pmBoise Air Term. Gowen Fld

7h 37m

1 stop

IAD9:16 amWashington, D.C. Dulles Intl

Jun 2

IAD7:00 amWashington, D.C. Dulles Intl

9h 41m

1 stop

BOI2:41 pmBoise Air Term. Gowen Fld

$243

Delta

May 27

BOI12:55 pmBoise Air Term. Gowen Fld

9h 56m

2 stops

IAD12:51 amWashington, D.C. Dulles Intl

Jun 2

IAD7:00 amWashington, D.C. Dulles Intl

9h 41m

1 stop

BOI2:41 pmBoise Air Term. Gowen Fld

$248

Delta

Apr 15

BOI8:40 pmBoise Air Term. Gowen Fld

11h 38m

2 stops

IAD10:18 amWashington, D.C. Dulles Intl

Apr 22

IAD10:11 amWashington, D.C. Dulles Intl

13h 45m

2 stops

BOI9:56 pmBoise Air Term. Gowen Fld

$253

Southwest flights from Idaho to District of Columbia

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

Southwest

Apr 21

GEG1:45 pmSpokane

6h 55m

1 stop

IAD11:40 pmWashington, D.C. Dulles Intl

Apr 28

IAD6:20 amWashington, D.C. Dulles Intl

6h 55m

1 stop

GEG10:15 amSpokane

$243

Southwest

Apr 21

GEG7:00 amSpokane

13h 40m

2 stops

IAD11:40 pmWashington, D.C. Dulles Intl

Apr 28

IAD6:20 amWashington, D.C. Dulles Intl

6h 55m

1 stop

GEG10:15 amSpokane

$248

Southwest

Apr 21

BOI6:00 amBoise Air Term. Gowen Fld

15h 40m

2 stops

IAD11:40 pmWashington, D.C. Dulles Intl

Apr 28

IAD5:30 pmWashington, D.C. Dulles Intl

8h 00m

1 stop

BOI11:30 pmBoise Air Term. Gowen Fld

$254

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SpokaneWashington, D.C.

GEG - DCA

GEGDCA

Spokane

Thu 4/23

11:44 am-4:59 pm

1 stop26h 15m

Washington, D.C. Reagan-National

Sat 5/2

6:00 pm-10:49 am

1 stop19h 49m

$162

SpokaneWashington, D.C.

GEG - DCA

GEGDCA

Spokane

Thu 4/23

11:44 am-9:59 pm

1 stop7h 15m

Washington, D.C. Reagan-National

Sat 5/2

6:00 pm-10:49 am

1 stop19h 49m

$185

BoiseWashington, D.C.

BOI - IAD

BOIIAD

Boise Air Term. Gowen Fld

Wed 5/27

11:39 pm-9:16 am

1 stop7h 37m

Washington, D.C. Dulles Intl

Tue 6/2

7:00 am-2:41 pm

1 stop9h 41m

$243

BoiseWashington, D.C.

BOI - DCA

BOIDCA

Boise Air Term. Gowen Fld

Wed 4/15

3:23 pm-11:43 pm

1 stop6h 20m

Washington, D.C. Reagan-National

Wed 4/29

4:39 pm-12:17 am

1 stop9h 38m

$243

Quickest round-trip

SpokaneWashington, D.C.

GEG - IAD

GEGIAD

Spokane

Tue 4/21

1:45 pm-11:40 pm

1 stop6h 55m

Washington, D.C. Dulles Intl

Tue 4/28

6:20 am-10:15 am

1 stop6h 55m

$243

SpokaneWashington, D.C.

GEG - IAD

GEGIAD

Spokane

Tue 4/21

7:00 am-11:40 pm

2 stops13h 40m

Washington, D.C. Dulles Intl

Tue 4/28

6:20 am-10:15 am

1 stop6h 55m

$248

Idaho FallsWashington, D.C.

IDA - IAD

IDAIAD

Idaho Falls Fanning Field

Thu 5/28

4:10 pm-12:45 am

1 stop6h 35m

Washington, D.C. Dulles Intl

Mon 6/1

6:30 am-1:25 pm

1 stop8h 55m

$369

Idaho FallsWashington, D.C.

IDA - IAD

IDAIAD

Idaho Falls Fanning Field

Wed 4/15

6:00 am-6:11 pm

1 stop10h 11m

Washington, D.C. Dulles Intl

Mon 4/20

7:11 pm-4:19 pm

1 stop23h 08m

$419

JacksonWashington, D.C.

JAC - IAD

JACIAD

Jackson Hole

Tue 8/25

8:40 am-5:37 pm

1 stop6h 57m

Washington, D.C. Dulles Intl

Sat 9/12

1:20 pm-6:52 pm

1 stop7h 32m

$427

Idaho FallsWashington, D.C.

IDA - IAD

IDAIAD

Idaho Falls Fanning Field

Fri 4/24

4:06 pm-5:50 am

1 stop11h 44m

Washington, D.C. Dulles Intl

Sun 4/26

7:10 am-10:40 pm

1 stop17h 30m

$486

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 Idaho to District of Columbia

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

Other information

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

You could potentially save up to 63% on your flight if you consider stops on a Idaho to District of Columbia flight.

Cheap Idaho to District of Columbia flight deals and tips

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

Fastest flight time	6h 06m
Direct flights	Sun
Airports in District of Columbia	2 airports

The fastest flight from Idaho to District of Columbia takes 6h 06m

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

There are 2 airports in District of Columbia. From Idaho there are direct flights to Washington, D.C. Dulles Intl (IAD).

Search flight deals

When did momondo last update prices for flights from Idaho to District of Columbia?
Prices for flights from Idaho to District of Columbia are updated daily.
How many operators does momondo search for flights from Idaho to District of Columbia?
The number of operators available for flights from Idaho to District of Columbia is 5 as of March 2026.
How old do you have to be to fly from Idaho to District of Columbia?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Idaho to District of Columbia.
What documentation or ID do you need to fly to District of Columbia?
The required travel and health documents for your District of Columbia trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at District of Columbia. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Idaho to District of Columbia

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

Airline	Rating	Free Cancellation	Price
Alaska Airlines	PriceFrom $141	Free Cancellation	Rating 7.9 12,120 reviews	Search Alaska Airlines flights
Delta	PriceFrom $194	Free Cancellation	Rating 7.9 8,341 reviews	Search Delta flights
United Airlines	PriceFrom $278	Free Cancellation	Rating 7.4 9,491 reviews	Search United Airlines flights
American Airlines	PriceFrom $300	Free Cancellation	Rating 7.1 11,504 reviews	Search American Airlines flights
Southwest	PriceFrom $336	Free Cancellation	Rating 8.0 4,331 reviews	Search Southwest flights

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Idaho to District of Columbia. momondo saves you time and could save you money on your trip.

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

All flight searches from Idaho to District of Columbia on momondo can be filtered to show those which offer flexible booking policies.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to District of Columbia from Idaho.

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

Yes momondo offers price alerts on flights to District of Columbia from Idaho. 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.