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

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

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.

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 September 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.

$152 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

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:35 am - 12:58 pmIAD Washington, D.C. Dulles Intl-BOI Boise Air Term. Gowen Fld

8h 23m1 stop San Francisco

12:26 pm - 9:11 pmBOI Boise Air Term. Gowen Fld-IAD Washington, D.C. Dulles Intl

6h 45m1 stop Chicago O'Hare Intl

$303United Airlines

Sat, Oct 17 - Sat, Oct 24

5:27 pm - 10:33 pmIAD Washington, D.C. Dulles Intl-BOI Boise Air Term. Gowen Fld

7h 06m1 stop Denver Intl

2:20 pm - 1:06 amBOI Boise Air Term. Gowen Fld-IAD Washington, D.C. Dulles Intl

8h 46m1 stop San Francisco

$303United Airlines

Sat, Oct 3 - Tue, Oct 6

6:00 am - 1:39 pmIAD Washington, D.C. Dulles Intl-BOI Boise Air Term. Gowen Fld

9h 39m1 stop Atlanta Hartsfield-Jackson

1:41 pm - 12:41 amBOI Boise Air Term. Gowen Fld-IAD Washington, D.C. Dulles Intl

9h 00m1 stop Atlanta Hartsfield-Jackson

$303Delta

Wed, Nov 11 - Wed, Nov 18

3:00 pm - 9:58 pmIAD Washington, D.C. Dulles Intl-BOI Boise Air Term. Gowen Fld

8h 58m1 stop Atlanta Hartsfield-Jackson

5:15 am - 1:56 pmBOI Boise Air Term. Gowen Fld-IAD Washington, D.C. Dulles Intl

6h 41m1 stop Minneapolis St Paul

$303Delta

Mon, Nov 23 - Sat, Dec 5

5:00 am - 11:24 amDCA Washington, D.C. Reagan-National-BOI Boise Air Term. Gowen Fld

8h 24m1 stop Dallas/Fort Worth

3:24 pm - 11:59 pmBOI Boise Air Term. Gowen Fld-DCA Washington, D.C. Reagan-National

6h 35m1 stop Chicago O'Hare Intl

$303American Airlines

Sat, Oct 17 - Sat, Oct 24

6:30 am - 2:31 pmDCA Washington, D.C. Reagan-National-BOI Boise Air Term. Gowen Fld

10h 01m1 stop Chicago O'Hare Intl

3:24 pm - 11:59 pmBOI Boise Air Term. Gowen Fld-DCA Washington, D.C. Reagan-National

6h 35m1 stop Chicago O'Hare Intl

$303American Airlines

Sat, Oct 3 - Mon, Oct 5

6:46 pm - 1:30 pmIAD Washington, D.C. Dulles Intl-BOI Boise Air Term. Gowen Fld

20h 44m1 stop San Diego

1:53 pm - 5:44 amBOI Boise Air Term. Gowen Fld-IAD Washington, D.C. Dulles Intl

13h 51m1 stop Seattle/Tacoma Intl

$303Alaska Airlines

Mon, Nov 9 - Tue, Nov 17

7:24 pm - 1:47 pmIAD Washington, D.C. Dulles Intl-BOI Boise Air Term. Gowen Fld

20h 23m1 stop San Diego

6:04 pm - 5:40 amBOI Boise Air Term. Gowen Fld-IAD Washington, D.C. Dulles Intl

9h 36m1 stop Seattle/Tacoma Intl

$303Alaska Airlines

Tue, Oct 13 - Mon, Oct 19

6:40 pm - 1:25 amDCA Washington, D.C. Reagan-National-BOI Boise Air Term. Gowen Fld

8h 45m1 stop Las Vegas Harry Reid Intl

1:05 pm - 11:20 pmBOI Boise Air Term. Gowen Fld-DCA Washington, D.C. Reagan-National

8h 15m2 stops Denver Intl Chicago Midway

$308Southwest

Mon, Nov 9 - Tue, Nov 17

11:05 am - 8:25 pmDCA Washington, D.C. Reagan-National-BOI Boise Air Term. Gowen Fld

11h 20m2 stops Dallas Love Field Las Vegas Harry Reid Intl

6:20 am - 4:45 pmBOI Boise Air Term. Gowen Fld-DCA Washington, D.C. Reagan-National

8h 25m1 stop Las Vegas Harry Reid Intl

$308Southwest

Sat, Nov 7 - Tue, Nov 10

Cheap last minute flights

Enter your travel dates to find the best prices.

7:25 am - 3:16 pmIAD Washington, D.C. Dulles Intl-BOI Boise Air Term. Gowen Fld

9h 51m1 stop Seattle/Tacoma Intl

2:11 pm - 12:41 amBOI Boise Air Term. Gowen Fld-IAD Washington, D.C. Dulles Intl

8h 30m1 stop Atlanta Hartsfield-Jackson

$363Delta

Thu, Sep 10 - Mon, Sep 14

4:41 pm - 10:59 pmDCA Washington, D.C. Reagan-National-BOI Boise Air Term. Gowen Fld

8h 18m1 stop Los Angeles

2:11 pm - 11:44 pmBOI Boise Air Term. Gowen Fld-DCA Washington, D.C. Reagan-National

7h 33m1 stop Atlanta Hartsfield-Jackson

$363Delta

Thu, Sep 10 - Thu, Sep 17

7:42 am - 2:31 pmDCA Washington, D.C. Reagan-National-BOI Boise Air Term. Gowen Fld

8h 49m1 stop Chicago O'Hare Intl

3:21 pm - 11:59 pmBOI Boise Air Term. Gowen Fld-DCA Washington, D.C. Reagan-National

6h 38m1 stop Chicago O'Hare Intl

$363American Airlines

Thu, Sep 10 - Mon, Sep 14

6:30 am - 2:31 pmDCA Washington, D.C. Reagan-National-BOI Boise Air Term. Gowen Fld

10h 01m1 stop Chicago O'Hare Intl

1:50 pm - 10:58 pmBOI Boise Air Term. Gowen Fld-DCA Washington, D.C. Reagan-National

7h 08m1 stop Dallas/Fort Worth

$363American Airlines

Thu, Sep 10 - Tue, Sep 15

8:00 am - 2:54 pmDCA Washington, D.C. Reagan-National-GEG Spokane

9h 54m1 stop Seattle/Tacoma Intl

7:00 am - 8:00 pmGEG Spokane-DCA Washington, D.C. Reagan-National

10h 00m1 stop Los Angeles

$393Alaska Airlines

Sat, Sep 12 - Wed, Sep 16

5:27 pm - 11:11 pmDCA Washington, D.C. Reagan-National-GEG Spokane

8h 44m1 stop Portland

7:00 am - 8:00 pmGEG Spokane-DCA Washington, D.C. Reagan-National

10h 00m1 stop Los Angeles

$393Alaska Airlines

Mon, Sep 14 - Wed, Sep 16

6:00 am - 1:55 pmIAD Washington, D.C. Dulles Intl-BOI Boise Air Term. Gowen Fld

9h 55m1 stop Las Vegas Harry Reid Intl

7:20 am - 6:14 pmBOI Boise Air Term. Gowen Fld-IAD Washington, D.C. Dulles Intl

8h 54m1 stop San Diego

$402Multiple Airlines

Fri, Sep 11 - Tue, Sep 15

6:00 am - 1:55 pmIAD Washington, D.C. Dulles Intl-BOI Boise Air Term. Gowen Fld

9h 55m1 stop Las Vegas Harry Reid Intl

7:48 pm - 5:40 amBOI Boise Air Term. Gowen Fld-IAD Washington, D.C. Dulles Intl

7h 52m1 stop Seattle/Tacoma Intl

$409Multiple Airlines

Fri, Sep 11 - Fri, Sep 18

4:20 pm - 10:40 pmDCA Washington, D.C. Reagan-National-BOI Boise Air Term. Gowen Fld

8h 20m1 stop Denver Intl

12:28 pm - 9:09 pmBOI Boise Air Term. Gowen Fld-DCA Washington, D.C. Reagan-National

6h 41m1 stop Chicago O'Hare Intl

$451United Airlines

Mon, Sep 14 - Fri, Sep 18

6:13 am - 11:26 amIAD Washington, D.C. Dulles Intl-BOI Boise Air Term. Gowen Fld

7h 13m1 stop Chicago O'Hare Intl

7:05 pm - 5:55 amBOI Boise Air Term. Gowen Fld-IAD Washington, D.C. Dulles Intl

8h 50m1 stop San Francisco

$473United Airlines

Fri, Sep 11 - Fri, Sep 11

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Frontier flights from District of Columbia to Idaho

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

Frontier

Sep 24

IAD6:00 amWashington, D.C. Dulles Intl

9h 55m

1 stop

BOI1:55 pmBoise Air Term. Gowen Fld

Sep 28

BOI2:50 pmBoise Air Term. Gowen Fld

13h 30m

1 stop

IAD6:20 amWashington, D.C. Dulles Intl

$314

Frontier

Sep 20

IAD6:00 amWashington, D.C. Dulles Intl

9h 55m

1 stop

BOI1:55 pmBoise Air Term. Gowen Fld

Sep 24

BOI2:50 pmBoise Air Term. Gowen Fld

13h 30m

1 stop

IAD6:20 amWashington, D.C. Dulles Intl

$415

Frontier

Sep 11

IAD6:00 amWashington, D.C. Dulles Intl

9h 55m

1 stop

BOI1:55 pmBoise Air Term. Gowen Fld

Sep 13

BOI2:50 pmBoise Air Term. Gowen Fld

13h 30m

1 stop

IAD6:20 amWashington, D.C. Dulles Intl

$420

Alaska Airlines flights from District of Columbia to Idaho

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

Alaska Airlines

Nov 9

IAD6:46 pmWashington, D.C. Dulles Intl

20h 44m

1 stop

BOI1:30 pmBoise Air Term. Gowen Fld

Nov 17

BOI1:53 pmBoise Air Term. Gowen Fld

13h 51m

1 stop

IAD5:44 amWashington, D.C. Dulles Intl

$303

Alaska Airlines

Oct 24

IAD7:02 amWashington, D.C. Dulles Intl

28h 54m

1 stop

BOI9:56 amBoise Air Term. Gowen Fld

Oct 28

BOI7:20 amBoise Air Term. Gowen Fld

8h 30m

1 stop

IAD5:50 pmWashington, D.C. Dulles Intl

$323

Alaska Airlines

Oct 7

IAD7:02 amWashington, D.C. Dulles Intl

10h 38m

1 stop

GEG2:40 pmSpokane

Oct 10

GEG12:42 pmSpokane

8h 17m

1 stop

IAD11:59 pmWashington, D.C. Dulles Intl

$337

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

IAD Washington, D.C. Dulles Intl - BOI Boise Air Term. Gowen Fld

IADBOI

Washington, D.C. Dulles Intl

Sat 10/17

6:35 am-12:58 pm

1 stop8h 23m

Boise Air Term. Gowen Fld

Sat 10/24

12:26 pm-9:11 pm

1 stop6h 45m

$303

Washington, D.C.Boise

IAD Washington, D.C. Dulles Intl - BOI Boise Air Term. Gowen Fld

IADBOI

Washington, D.C. Dulles Intl

Sat 10/3

5:27 pm-10:33 pm

1 stop7h 06m

Boise Air Term. Gowen Fld

Tue 10/6

2:20 pm-1:06 am

1 stop8h 46m

$303

Washington, D.C.Boise

IAD Washington, D.C. Dulles Intl - BOI Boise Air Term. Gowen Fld

IADBOI

Washington, D.C. Dulles Intl

Wed 11/11

6:00 am-1:39 pm

1 stop9h 39m

Boise Air Term. Gowen Fld

Wed 11/18

1:41 pm-12:41 am

1 stop9h 00m

$303

Washington, D.C.Boise

IAD Washington, D.C. Dulles Intl - BOI Boise Air Term. Gowen Fld

IADBOI

Washington, D.C. Dulles Intl

Mon 11/23

3:00 pm-9:58 pm

1 stop8h 58m

Boise Air Term. Gowen Fld

Sat 12/5

5:15 am-1:56 pm

1 stop6h 41m

$303

Quickest round-trip

Washington, D.C.Boise

DCA Washington, D.C. Reagan-National - BOI Boise Air Term. Gowen Fld

DCABOI

Washington, D.C. Reagan-National

Sat 10/17

5:00 am-11:24 am

1 stop8h 24m

Boise Air Term. Gowen Fld

Sat 10/24

3:24 pm-11:59 pm

1 stop6h 35m

$303

Washington, D.C.Boise

DCA Washington, D.C. Reagan-National - BOI Boise Air Term. Gowen Fld

DCABOI

Washington, D.C. Reagan-National

Sat 10/3

6:30 am-2:31 pm

1 stop10h 01m

Boise Air Term. Gowen Fld

Mon 10/5

3:24 pm-11:59 pm

1 stop6h 35m

$303

Washington, D.C.Boise

IAD Washington, D.C. Dulles Intl - BOI Boise Air Term. Gowen Fld

IADBOI

Washington, D.C. Dulles Intl

Mon 11/9

6:46 pm-1:30 pm

1 stop20h 44m

Boise Air Term. Gowen Fld

Tue 11/17

1:53 pm-5:44 am

1 stop13h 51m

$303

Washington, D.C.Boise

IAD Washington, D.C. Dulles Intl - BOI Boise Air Term. Gowen Fld

IADBOI

Washington, D.C. Dulles Intl

Tue 10/13

7:24 pm-1:47 pm

1 stop20h 23m

Boise Air Term. Gowen Fld

Mon 10/19

6:04 pm-5:40 am

1 stop9h 36m

$303

Washington, D.C.Boise

DCA Washington, D.C. Reagan-National - BOI Boise Air Term. Gowen Fld

DCABOI

Washington, D.C. Reagan-National

Mon 11/9

6:40 pm-1:25 am

1 stop8h 45m

Boise Air Term. Gowen Fld

Tue 11/17

1:05 pm-11:20 pm

2 stops8h 15m

$308

Washington, D.C.Boise

DCA Washington, D.C. Reagan-National - BOI Boise Air Term. Gowen Fld

DCABOI

Washington, D.C. Reagan-National

Sat 11/7

11:05 am-8:25 pm

2 stops11h 20m

Boise Air Term. Gowen Fld

Tue 11/10

6:20 am-4:45 pm

1 stop8h 25m

$308

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, May 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 $389. If you don’t want to visit Idaho in May, then you should wait until August to fly from District of Columbia, when ticket prices are also cheap, with an average price of $418.

What is the cheapest District of Columbia to Idaho flight route?

Fly from Washington, D.C. Dulles Intl to Idaho Falls Fanning Field for the best District of Columbia - Idaho flight prices

What cabin class options are available on District of Columbia to Idaho flights?

There is only 1 cabin class available to choose from on District of Columbia to Idaho flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

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

You could potentially save up to 44% 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

Best Price Found	$152
Fastest flight time	4h 40m
Direct flights	Sun
Airports in Idaho	27 airports

The best one-way flight to Idaho from District of Columbia in the past 72 hours is $152. The best round-trip flight deal from District of Columbia to Idaho found on momondo in the last 72 hours is $303.

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 September 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.
What is the most popular plane model from District of Columbia to Idaho?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from District of Columbia to Idaho is Airbus A321neo (100.00% of total bookings).

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
Alaska Airlines	PriceFrom $179	Free Cancellation	Rating 7.9 12,890 reviews	Search Alaska Airlines flights
Delta	PriceFrom $200	Free Cancellation	Rating 7.8 8,548 reviews	Search Delta flights
United Airlines	PriceFrom $255	Free Cancellation	Rating 7.4 10,180 reviews	Search United Airlines flights
American Airlines	PriceFrom $262	Free Cancellation	Rating 7.1 12,040 reviews	Search American Airlines flights
Southwest	PriceFrom $354	Free Cancellation	Rating 8.0 4,196 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.