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 47% 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, Southwest, and United 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 October 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.

$113 Cheap Flights from District of Columbia to Idaho in 2026/27

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.

7:00 am - 1:23 pmDCA Washington, D.C. Reagan-National-BOI Boise Air Term. Gowen Fld

8h 23m1 stop Phoenix Sky Harbor Intl

1:24 pm - 11:00 pmBOI Boise Air Term. Gowen Fld-DCA Washington, D.C. Reagan-National

7h 36m1 stop Chicago O'Hare Intl

$225American Airlines

Tue, Nov 10 - Sat, Nov 14

5:00 am - 1:52 pmDCA Washington, D.C. Reagan-National-BOI Boise Air Term. Gowen Fld

10h 52m1 stop Dallas/Fort Worth

1:39 pm - 10:35 pmBOI Boise Air Term. Gowen Fld-DCA Washington, D.C. Reagan-National

6h 56m1 stop Chicago O'Hare Intl

$225American Airlines

Wed, Dec 9 - Thu, Dec 10

6:59 pm - 12:10 amDCA Washington, D.C. Reagan-National-BOI Boise Air Term. Gowen Fld

7h 11m1 stop Minneapolis St Paul

1:47 pm - 10:41 pmBOI Boise Air Term. Gowen Fld-DCA Washington, D.C. Reagan-National

6h 54m1 stop Atlanta Hartsfield-Jackson

$225Delta

Mon, Dec 14 - Wed, Dec 16

6:00 am - 1:44 pmDCA Washington, D.C. Reagan-National-BOI Boise Air Term. Gowen Fld

9h 44m1 stop Atlanta Hartsfield-Jackson

1:47 pm - 10:41 pmBOI Boise Air Term. Gowen Fld-DCA Washington, D.C. Reagan-National

6h 54m1 stop Atlanta Hartsfield-Jackson

$225Delta

Tue, Dec 8 - Wed, Dec 9

5:05 pm - 11:44 pmDCA Washington, D.C. Reagan-National-BOI Boise Air Term. Gowen Fld

8h 39m1 stop Portland

11:10 am - 9:59 pmBOI Boise Air Term. Gowen Fld-DCA Washington, D.C. Reagan-National

8h 49m1 stop Seattle/Tacoma Intl

$225Alaska Airlines

Sat, Jan 9 - Wed, Jan 13

10:59 am - 7:53 pmDCA Washington, D.C. Reagan-National-BOI Boise Air Term. Gowen Fld

10h 54m1 stop San Diego

5:43 am - 4:11 pmBOI Boise Air Term. Gowen Fld-DCA Washington, D.C. Reagan-National

8h 28m1 stop Portland

$225Alaska Airlines

Tue, Nov 10 - Sat, Nov 14

6:11 am - 11:31 amIAD Washington, D.C. Dulles Intl-BOI Boise Air Term. Gowen Fld

7h 20m1 stop Chicago O'Hare Intl

12:00 pm - 9:57 pmBOI Boise Air Term. Gowen Fld-IAD Washington, D.C. Dulles Intl

7h 57m1 stop San Francisco

$261United Airlines

Wed, Nov 11 - Wed, Nov 18

8:15 am - 2:51 pmIAD Washington, D.C. Dulles Intl-BOI Boise Air Term. Gowen Fld

8h 36m1 stop San Francisco

2:35 pm - 11:26 pmBOI Boise Air Term. Gowen Fld-IAD Washington, D.C. Dulles Intl

6h 51m1 stop Denver Intl

$261United Airlines

Sat, Jan 16 - Sat, Jan 23

1:09 pm - 11:46 amIAD Washington, D.C. Dulles Intl-IDA Idaho Falls Fanning Field

24h 37m1 stop Las Vegas Harry Reid Intl

3:32 pm - 11:11 amIDA Idaho Falls Fanning Field-IAD Washington, D.C. Dulles Intl

41h 39m2 stops Las Vegas Harry Reid Intl Atlanta Hartsfield-Jackson

$369Multiple Airlines

Tue, Nov 24 - Mon, Nov 30

1:09 pm - 11:46 amIAD Washington, D.C. Dulles Intl-IDA Idaho Falls Fanning Field

24h 37m1 stop Las Vegas Harry Reid Intl

7:06 pm - 5:10 amIDA Idaho Falls Fanning Field-IAD Washington, D.C. Dulles Intl

8h 04m1 stop Las Vegas Harry Reid Intl

$403Multiple Airlines

Tue, Nov 24 - Fri, Nov 27

Cheap last minute flights

Enter your travel dates to find the best prices.

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

12:58 pm - 11:59 pmBOI Boise Air Term. Gowen Fld-IAD Washington, D.C. Dulles Intl

9h 01m1 stop Seattle/Tacoma Intl

$344Multiple Airlines

Mon, Oct 26 - Wed, Oct 28

6:13 am - 10:42 amIAD Washington, D.C. Dulles Intl-BOI Boise Air Term. Gowen Fld

6h 29m1 stop Salt Lake City

1:06 pm - 11:35 pmBOI Boise Air Term. Gowen Fld-IAD Washington, D.C. Dulles Intl

8h 29m1 stop Salt Lake City

$403Delta

Wed, Oct 28 - Sun, Nov 1

5:00 am - 1:51 pmDCA Washington, D.C. Reagan-National-BOI Boise Air Term. Gowen Fld

10h 51m1 stop Dallas/Fort Worth

12:15 pm - 11:59 pmBOI Boise Air Term. Gowen Fld-DCA Washington, D.C. Reagan-National

9h 44m1 stop Dallas/Fort Worth

$486American Airlines

Wed, Oct 28 - Sun, Nov 1

6:05 am - 12:35 pmDCA Washington, D.C. Reagan-National-BOI Boise Air Term. Gowen Fld

8h 30m1 stop Minneapolis St Paul

3:00 pm - 11:44 pmBOI Boise Air Term. Gowen Fld-DCA Washington, D.C. Reagan-National

6h 44m1 stop Minneapolis St Paul

$501Delta

Wed, Oct 28 - Sun, Nov 1

4:35 pm - 1:05 amDCA Washington, D.C. Reagan-National-BOI Boise Air Term. Gowen Fld

10h 30m1 stop Las Vegas Harry Reid Intl

12:55 pm - 11:55 pmBOI Boise Air Term. Gowen Fld-DCA Washington, D.C. Reagan-National

9h 00m2 stops Denver Intl Dallas Love Field

$516Southwest

Mon, Oct 26 - Wed, Oct 28

4:35 pm - 12:10 amDCA Washington, D.C. Reagan-National-BOI Boise Air Term. Gowen Fld

9h 35m2 stops Las Vegas Harry Reid Intl Sacramento Intl

12:55 pm - 11:55 pmBOI Boise Air Term. Gowen Fld-DCA Washington, D.C. Reagan-National

9h 00m2 stops Denver Intl Dallas Love Field

$521Southwest

Mon, Oct 26 - Wed, Oct 28

6:00 am - 6:03 pmDCA Washington, D.C. Reagan-National-BOI Boise Air Term. Gowen Fld

14h 03m2 stops Houston George Bush Intcntl Denver Intl

12:31 pm - 10:43 pmBOI Boise Air Term. Gowen Fld-DCA Washington, D.C. Reagan-National

8h 12m1 stop Chicago O'Hare Intl

$538United Airlines

Wed, Oct 28 - Sun, Nov 1

12:40 pm - 6:03 pmIAD Washington, D.C. Dulles Intl-BOI Boise Air Term. Gowen Fld

7h 23m1 stop Denver Intl

7:10 pm - 11:55 amBOI Boise Air Term. Gowen Fld-IAD Washington, D.C. Dulles Intl

14h 45m2 stops San Francisco Cleveland Hopkins Intl

$538United Airlines

Wed, Oct 28 - Sun, Nov 1

8:41 am - 2:33 pmDCA Washington, D.C. Reagan-National-BOI Boise Air Term. Gowen Fld

7h 52m1 stop Chicago O'Hare Intl

12:14 pm - 10:55 pmBOI Boise Air Term. Gowen Fld-DCA Washington, D.C. Reagan-National

8h 41m1 stop Dallas/Fort Worth

$572American Airlines

Mon, Oct 26 - Wed, Oct 28

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

7:30 am - 11:59 pmBOI Boise Air Term. Gowen Fld-IAD Washington, D.C. Dulles Intl

14h 29m2 stops Spokane Seattle/Tacoma Intl

$759Multiple Airlines

Mon, Oct 26 - Wed, Oct 28

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Delta flights from District of Columbia to Idaho

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

Delta

Nov 9

IAD3:00 pmWashington, D.C. Dulles Intl

8h 59m

1 stop

BOI9:59 pmBoise Air Term. Gowen Fld

Nov 10

BOI12:13 pmBoise Air Term. Gowen Fld

10h 07m

1 stop

IAD12:20 amWashington, D.C. Dulles Intl

$225

Delta

Nov 9

IAD3:00 pmWashington, D.C. Dulles Intl

8h 59m

1 stop

BOI9:59 pmBoise Air Term. Gowen Fld

Nov 16

BOI11:10 pmBoise Air Term. Gowen Fld

7h 59m

1 stop

IAD9:09 amWashington, D.C. Dulles Intl

$243

Delta

Dec 9

IAD7:06 pmWashington, D.C. Dulles Intl

7h 04m

1 stop

BOI12:10 amBoise Air Term. Gowen Fld

Dec 17

BOI12:20 pmBoise Air Term. Gowen Fld

10h 11m

1 stop

IAD12:31 amWashington, D.C. Dulles Intl

$254

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 24

DCA10:59 amWashington, D.C. Reagan-National

12h 57m

2 stops

BOI9:56 pmBoise Air Term. Gowen Fld

Dec 1

BOI2:05 pmBoise Air Term. Gowen Fld

24h 00m

1 stop

DCA4:05 pmWashington, D.C. Reagan-National

$312

Alaska Airlines

Dec 9

IAD7:00 amWashington, D.C. Dulles Intl

9h 19m

1 stop

BOI2:19 pmBoise Air Term. Gowen Fld

Dec 19

BOI2:12 pmBoise Air Term. Gowen Fld

13h 33m

1 stop

IAD5:45 amWashington, D.C. Dulles Intl

$313

Alaska Airlines

Nov 5

IAD5:17 pmWashington, D.C. Dulles Intl

8h 32m

1 stop

BOI11:49 pmBoise Air Term. Gowen Fld

Nov 9

BOI12:49 pmBoise Air Term. Gowen Fld

14h 55m

1 stop

IAD5:44 amWashington, D.C. Dulles Intl

$314

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

DCABOI

Washington, D.C. Reagan-National

Tue 11/10

7:00 am-1:23 pm

1 stop8h 23m

Boise Air Term. Gowen Fld

Sat 11/14

1:24 pm-11:00 pm

1 stop7h 36m

$225

Washington, D.C.Boise

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

DCABOI

Washington, D.C. Reagan-National

Wed 12/9

5:00 am-1:52 pm

1 stop10h 52m

Boise Air Term. Gowen Fld

Thu 12/10

1:39 pm-10:35 pm

1 stop6h 56m

$225

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

Mon 12/14

6:59 pm-12:10 am

1 stop7h 11m

Boise Air Term. Gowen Fld

Wed 12/16

1:47 pm-10:41 pm

1 stop6h 54m

$225

Washington, D.C.Boise

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

DCABOI

Washington, D.C. Reagan-National

Tue 12/8

6:00 am-1:44 pm

1 stop9h 44m

Boise Air Term. Gowen Fld

Wed 12/9

1:47 pm-10:41 pm

1 stop6h 54m

$225

Washington, D.C.Boise

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

DCABOI

Washington, D.C. Reagan-National

Sat 1/9

5:05 pm-11:44 pm

1 stop8h 39m

Boise Air Term. Gowen Fld

Wed 1/13

11:10 am-9:59 pm

1 stop8h 49m

$225

Washington, D.C.Boise

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

DCABOI

Washington, D.C. Reagan-National

Tue 11/10

10:59 am-7:53 pm

1 stop10h 54m

Boise Air Term. Gowen Fld

Sat 11/14

5:43 am-4:11 pm

1 stop8h 28m

$225

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

6:11 am-11:31 am

1 stop7h 20m

Boise Air Term. Gowen Fld

Wed 11/18

12:00 pm-9:57 pm

1 stop7h 57m

$261

Washington, D.C.Boise

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

IADBOI

Washington, D.C. Dulles Intl

Sat 1/16

8:15 am-2:51 pm

1 stop8h 36m

Boise Air Term. Gowen Fld

Sat 1/23

2:35 pm-11:26 pm

1 stop6h 51m

$261

Washington, D.C.Idaho Falls

IAD Washington, D.C. Dulles Intl - IDA Idaho Falls Fanning Field

IADIDA

Washington, D.C. Dulles Intl

Tue 11/24

1:09 pm-11:46 am

1 stop24h 37m

Idaho Falls Fanning Field

Mon 11/30

3:32 pm-11:11 am

2 stops41h 39m

$369

Washington, D.C.Idaho Falls

IAD Washington, D.C. Dulles Intl - IDA Idaho Falls Fanning Field

IADIDA

Washington, D.C. Dulles Intl

Tue 11/24

1:09 pm-11:46 am

1 stop24h 37m

Idaho Falls Fanning Field

Fri 11/27

7:06 pm-5:10 am

1 stop8h 04m

$403

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 April to fly from District of Columbia, when ticket prices are also cheap, with an average price of $415.

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 41% 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	$113
Fastest flight time	4h 40m
Direct flights	None

The best one-way flight to Idaho from District of Columbia in the past 72 hours is $113. The best round-trip flight deal from District of Columbia to Idaho found on momondo in the last 72 hours is $225.

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

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

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 October 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
Delta	PriceFrom $200	Free Cancellation	Rating 7.8 8,667 reviews	Search Delta flights
United Airlines	PriceFrom $255	Free Cancellation	Rating 7.3 10,411 reviews	Search United Airlines flights
American Airlines	PriceFrom $262	Free Cancellation	Rating 7.0 12,188 reviews	Search American Airlines flights
Southwest	PriceFrom $342	Free Cancellation	Rating 7.9 4,211 reviews	Search Southwest flights
Alaska Airlines	PriceFrom $388	Free Cancellation	Rating 7.9 13,111 reviews	Search Alaska Airlines 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.