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 41% of people opting to fly with this airline when traveling to District of Columbia. Keep in mind that there are 6 different airlines that fly to District of Columbia on a routine basis, so you have a few additional options to choose from.

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

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

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

On average, it takes 6h 14m to fly from Idaho to District of Columbia if you fly out of Hailey (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 Idaho Falls and into Washington, D.C. Dulles Intl Airport, then the flight time is around 6h 16m.

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 6 as of May 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.

$115 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.

1:04 pm - 9:59 pm

BOI

DCA

6h 55m

1 stop

7:00 am - 12:09 pm

DCA

BOI

7h 09m

1 stop

$244Frontier

Thu, Aug 20 - Sun, Aug 23

1:25 pm - 12:57 pm

BOI

DCA

21h 32m

1 stop

1:59 pm - 12:29 pm

DCA

BOI

24h 30m

1 stop

$251Frontier

Thu, Jun 25 - Sat, Jul 4

1:43 pm - 12:10 am

BOI

IAD

8h 27m

1 stop

7:10 am - 3:38 pm

IAD

BOI

10h 28m

1 stop

$263Delta

Sat, Sep 19 - Tue, Sep 22

6:00 am - 3:40 pm

BOI

DCA

7h 40m

1 stop

5:00 pm - 11:56 pm

DCA

BOI

8h 56m

1 stop

$263Delta

Tue, Sep 22 - Tue, Sep 29

5:11 pm - 8:38 am

BOI

IAD

13h 27m

2 stops

2:46 pm - 10:17 pm

IAD

BOI

9h 31m

1 stop

$277American Airlines

Tue, Sep 22 - Tue, Sep 29

3:11 pm - 11:59 pm

BOI

DCA

6h 48m

1 stop

5:00 am - 10:29 am

DCA

BOI

7h 29m

1 stop

$279American Airlines

Sat, May 30 - Tue, Jun 2

12:37 pm - 12:55 am

GEG

IAD

9h 18m

1 stop

6:10 am - 11:48 am

IAD

GEG

8h 38m

1 stop

$305United Airlines

Wed, May 27 - Sun, May 31

7:50 am - 6:09 pm

SUN

DCA

8h 19m

1 stop

4:07 pm - 9:11 pm

DCA

SUN

7h 04m

1 stop

$369United Airlines

Fri, Sep 4 - Tue, Sep 8

6:00 am - 4:38 pm

IDA

IAD

8h 38m

1 stop

5:35 pm - 3:26 pm

IAD

IDA

23h 51m

1 stop

$484Alaska Airlines

Sat, May 23 - Tue, May 26

1:43 pm - 11:59 pm

IDA

IAD

8h 16m

1 stop

5:44 pm - 10:56 pm

IAD

IDA

31h 12m

1 stop

$490Alaska Airlines

Wed, Jul 22 - Thu, Aug 20

United Airlines flights from Idaho to District of Columbia

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

United Airlines

May 22

JAC1:42 pmJackson Hole

7h 50m

1 stop

IAD11:32 pmWashington, D.C. Dulles Intl

May 25

IAD6:10 amWashington, D.C. Dulles Intl

7h 25m

1 stop

JAC11:35 amJackson Hole

$241

United Airlines

May 27

GEG12:37 pmSpokane

9h 18m

1 stop

IAD12:55 amWashington, D.C. Dulles Intl

May 31

IAD6:10 amWashington, D.C. Dulles Intl

8h 38m

1 stop

GEG11:48 amSpokane

$305

United Airlines

Jun 26

GEG1:41 pmSpokane

8h 04m

1 stop

IAD12:45 amWashington, D.C. Dulles Intl

Jul 6

IAD6:10 amWashington, D.C. Dulles Intl

8h 38m

1 stop

GEG11:48 amSpokane

$362

Alaska Airlines flights from Idaho to District of Columbia

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

Alaska Airlines

Aug 25

BOI7:19 amBoise Air Term. Gowen Fld

8h 55m

1 stop

IAD6:14 pmWashington, D.C. Dulles Intl

Aug 26

IAD5:44 pmWashington, D.C. Dulles Intl

8h 00m

1 stop

BOI11:44 pmBoise Air Term. Gowen Fld

$322

Alaska Airlines

Sep 11

GEG6:00 amSpokane

9h 14m

1 stop

IAD6:14 pmWashington, D.C. Dulles Intl

Sep 13

IAD7:00 amWashington, D.C. Dulles Intl

8h 39m

1 stop

GEG12:39 pmSpokane

$331

Alaska Airlines

Sep 24

GEG5:45 amSpokane

8h 09m

1 stop

IAD4:54 pmWashington, D.C. Dulles Intl

Sep 27

IAD7:00 amWashington, D.C. Dulles Intl

8h 39m

1 stop

GEG12:39 pmSpokane

$335

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

BoiseWashington, D.C.

BOI - DCA

BOIDCA

Boise Air Term. Gowen Fld

Thu 8/20

1:04 pm-9:59 pm

1 stop6h 55m

Washington, D.C. Reagan-National

Sun 8/23

7:00 am-12:09 pm

1 stop7h 09m

$244

BoiseWashington, D.C.

BOI - DCA

BOIDCA

Boise Air Term. Gowen Fld

Thu 6/25

1:25 pm-12:57 pm

1 stop21h 32m

Washington, D.C. Reagan-National

Sat 7/4

1:59 pm-12:29 pm

1 stop24h 30m

$251

BoiseWashington, D.C.

BOI - IAD

BOIIAD

Boise Air Term. Gowen Fld

Sat 9/19

1:43 pm-12:10 am

1 stop8h 27m

Washington, D.C. Dulles Intl

Tue 9/22

7:10 am-3:38 pm

1 stop10h 28m

$263

BoiseWashington, D.C.

BOI - DCA

BOIDCA

Boise Air Term. Gowen Fld

Tue 9/22

6:00 am-3:40 pm

1 stop7h 40m

Washington, D.C. Reagan-National

Tue 9/29

5:00 pm-11:56 pm

1 stop8h 56m

$263

BoiseWashington, D.C.

BOI - IAD

BOIIAD

Boise Air Term. Gowen Fld

Tue 9/22

5:11 pm-8:38 am

2 stops13h 27m

Washington, D.C. Dulles Intl

Tue 9/29

2:46 pm-10:17 pm

1 stop9h 31m

$277

BoiseWashington, D.C.

BOI - DCA

BOIDCA

Boise Air Term. Gowen Fld

Sat 5/30

3:11 pm-11:59 pm

1 stop6h 48m

Washington, D.C. Reagan-National

Tue 6/2

5:00 am-10:29 am

1 stop7h 29m

$279

SpokaneWashington, D.C.

GEG - IAD

GEGIAD

Spokane

Wed 5/27

12:37 pm-12:55 am

1 stop9h 18m

Washington, D.C. Dulles Intl

Sun 5/31

6:10 am-11:48 am

1 stop8h 38m

$305

HaileyWashington, D.C.

SUN - DCA

SUNDCA

Hailey Sun Valley-Friedman

Fri 9/4

7:50 am-6:09 pm

1 stop8h 19m

Washington, D.C. Reagan-National

Tue 9/8

4:07 pm-9:11 pm

1 stop7h 04m

$369

Idaho FallsWashington, D.C.

IDA - IAD

IDAIAD

Idaho Falls Fanning Field

Sat 5/23

6:00 am-4:38 pm

1 stop8h 38m

Washington, D.C. Dulles Intl

Tue 5/26

5:35 pm-3:26 pm

1 stop23h 51m

$484

Idaho FallsWashington, D.C.

IDA - IAD

IDAIAD

Idaho Falls Fanning Field

Wed 7/22

1:43 pm-11:59 pm

1 stop8h 16m

Washington, D.C. Dulles Intl

Thu 8/20

5:44 pm-10:56 pm

1 stop31h 12m

$490

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

What is the cheapest month to fly to District of Columbia?

In general, May is the cheapest month to fly from Idaho to District of Columbia. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $105. If you don’t want to visit District of Columbia in May, then you should wait until October to fly from Idaho, when ticket prices are also cheap, with an average price of $120.

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

You could potentially save up to 65% 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 07m
Direct flights	None

The fastest flight from Idaho to District of Columbia takes 6h 07m

There are no direct flights from Idaho to District of Columbia. There are no popular flight routes from Idaho to District of Columbia.

Search flight deals

Frequently asked questions about flying 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 6 as of May 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
Frontier	PriceFrom $78	Free Cancellation	Rating 5.6 2,952 reviews	Search Frontier flights
Delta	PriceFrom $222	Free Cancellation	Rating 7.9 8,454 reviews	Search Delta flights
Alaska Airlines	PriceFrom $245	Free Cancellation	Rating 7.9 12,361 reviews	Search Alaska Airlines flights
American Airlines	PriceFrom $277	Free Cancellation	Rating 7.1 11,664 reviews	Search American Airlines flights
United Airlines	PriceFrom $278	Free Cancellation	Rating 7.4 9,711 reviews	Search United Airlines flights
Southwest	PriceFrom $340	Free Cancellation	Rating 7.9 4,296 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.