What is the cheapest airline that flies from Detroit to Idaho?

Frontier, Delta, and United Airlines are the most popular carriers operating from Detroit to Idaho

What airlines fly to Idaho?

Delta, United Airlines and American Airlines are the top three most popular airlines that fly to Idaho from Detroit according to our data. Delta is the first choice among our users, with 60% of people opting to fly with this airline when traveling to Idaho. Keep in mind that there are 6 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 Detroit to Idaho?

Prices for flights from Detroit to Idaho were last updated today.

How many operators does momondo search for flights from Detroit to Idaho?

There are 6 operators available for flights from Detroit to Idaho as of November 2025.

How old do you have to be to fly from Detroit to Idaho?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Detroit to Idaho.

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

The required travel and health documents for your Idaho 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 Idaho. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$72 Cheap Flights from Detroit to Idaho in 2025/26

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Find the cheapest flights from Detroit to Idaho

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

12:20 pm - 11:59 amDTW-BOI

25h 39m1 stop

12:38 pm - 9:06 pmBOI-DTW

6h 28m1 stop

$162Frontier

Find Deal

Fri, Dec 19 - Thu, Dec 25

10:01 pm - 11:43 amDTW-BOI

15h 42m1 stop

12:38 pm - 9:06 pmBOI-DTW

6h 28m1 stop

$174Frontier

Find Deal

Sat, Dec 20 - Thu, Dec 25

4:32 pm - 12:04 amDTW-BOI

9h 32m1 stop

11:44 am - 10:33 pmBOI-DTW

8h 49m1 stop

$217Delta

Find Deal

Fri, Dec 5 - Thu, Dec 11

12:20 pm - 11:59 amDTW-BOI

25h 39m1 stop

10:41 pm - 6:27 pmBOI-DTW

17h 46m2 stops

$252Multiple Airlines

Find Deal

Fri, Dec 19 - Mon, Dec 22

5:45 am - 11:11 amDTW-GEG

8h 26m1 stop

11:45 am - 6:05 amGEG-DTW

15h 20m1 stop

$256Multiple Airlines

Find Deal

Sat, Nov 22 - Tue, Nov 25

5:22 pm - 11:59 pmDTW-GEG

9h 37m1 stop

5:40 am - 4:26 pmGEG-DTW

7h 46m1 stop

$267Alaska Airlines

Find Deal

Wed, Mar 4 - Wed, Mar 11

12:19 pm - 12:06 amDTW-GEG

14h 47m1 stop

6:10 am - 6:28 amGEG-DTW

21h 18m1 stop

$287Delta

Find Deal

Tue, Mar 3 - Wed, Mar 11

5:22 pm - 12:29 pmDTW-GEG

22h 07m1 stop

7:06 pm - 4:26 pmGEG-DTW

18h 20m1 stop

$305Alaska Airlines

Find Deal

Wed, Mar 4 - Sun, Mar 8

4:48 pm - 8:59 pmDTW-GEG

7h 11m1 stop

7:00 am - 11:58 pmGEG-DTW

13h 58m2 stops

$342United Airlines

Find Deal

Sat, Dec 6 - Sat, Dec 13

11:31 am - 9:29 pmDTW-SUN

11h 58m2 stops

7:00 am - 3:08 pmSUN-DTW

6h 08m1 stop

$346United Airlines

Find Deal

Wed, Jan 7 - Sat, Jan 10

Frontier flights from Detroit to Idaho

Our best Frontier deals on Detroit to Idaho flight tickets

Frontier

Dec 19

DTW12:20 pmDetroit Metropolitan Wayne County

25h 39m

1 stop

BOI11:59 amBoise Air Term. Gowen Fld

Dec 25

BOI12:38 pmBoise Air Term. Gowen Fld

6h 28m

1 stop

DTW9:06 pmDetroit Metropolitan Wayne County

$162

Find similar

Frontier

Dec 20

DTW10:01 pmDetroit Metropolitan Wayne County

15h 42m

1 stop

BOI11:43 amBoise Air Term. Gowen Fld

Dec 25

BOI12:38 pmBoise Air Term. Gowen Fld

6h 28m

1 stop

DTW9:06 pmDetroit Metropolitan Wayne County

$174

Find similar

Frontier

Nov 22

DTW5:45 amDetroit Metropolitan Wayne County

8h 26m

1 stop

GEG11:11 amSpokane

Nov 25

GEG12:17 pmSpokane

9h 33m

1 stop

DTW12:50 amDetroit Metropolitan Wayne County

$185

Find similar

Alaska Airlines flights from Detroit to Idaho

Our best Alaska Airlines deals on Detroit to Idaho flight tickets

Alaska Airlines

Mar 4

DTW5:22 pmDetroit Metropolitan Wayne County

9h 37m

1 stop

GEG11:59 pmSpokane

Mar 11

GEG5:40 amSpokane

7h 46m

1 stop

DTW4:26 pmDetroit Metropolitan Wayne County

$267

Find similar

Alaska Airlines

Dec 10

DTW5:41 pmDetroit Metropolitan Wayne County

8h 09m

1 stop

BOI11:50 pmBoise Air Term. Gowen Fld

Dec 13

BOI8:26 pmBoise Air Term. Gowen Fld

18h 19m

1 stop

DTW4:45 pmDetroit Metropolitan Wayne County

$305

Find similar

Alaska Airlines

Jan 16

DTW5:15 pmDetroit Metropolitan Wayne County

21h 39m

2 stops

BOI12:54 pmBoise Air Term. Gowen Fld

Jan 20

BOI5:40 amBoise Air Term. Gowen Fld

8h 39m

2 stops

DTW4:19 pmDetroit Metropolitan Wayne County

$315

Find similar

Fly from

Fly to

Route

Depart

Return

Price

DetroitBoise

DTW - BOI

DTWBOI

Detroit Metropolitan Wayne County

Fri 12/19

12:20 pm-11:59 am

1 stop25h 39m

Boise Air Term. Gowen Fld

Thu 12/25

12:38 pm-9:06 pm

1 stop6h 28m

$162

DetroitBoise

DTW - BOI

DTWBOI

Detroit Metropolitan Wayne County

Sat 12/20

10:01 pm-11:43 am

1 stop15h 42m

Boise Air Term. Gowen Fld

Thu 12/25

12:38 pm-9:06 pm

1 stop6h 28m

$174

DetroitBoise

DTW - BOI

DTWBOI

Detroit Metropolitan Wayne County

Fri 12/5

4:32 pm-12:04 am

1 stop9h 32m

Boise Air Term. Gowen Fld

Thu 12/11

11:44 am-10:33 pm

1 stop8h 49m

$217

DetroitBoise

DTW - BOI

DTWBOI

Detroit Metropolitan Wayne County

Fri 12/19

12:20 pm-11:59 am

1 stop25h 39m

Boise Air Term. Gowen Fld

Mon 12/22

10:41 pm-6:27 pm

2 stops17h 46m

$252

DetroitSpokane

DTW - GEG

DTWGEG

Detroit Metropolitan Wayne County

Sat 11/22

5:45 am-11:11 am

1 stop8h 26m

Spokane

Tue 11/25

11:45 am-6:05 am

1 stop15h 20m

$256

DetroitSpokane

DTW - GEG

DTWGEG

Detroit Metropolitan Wayne County

Wed 3/4

5:22 pm-11:59 pm

1 stop9h 37m

Spokane

Wed 3/11

5:40 am-4:26 pm

1 stop7h 46m

$267

DetroitSpokane

DTW - GEG

DTWGEG

Detroit Metropolitan Wayne County

Tue 3/3

12:19 pm-12:06 am

1 stop14h 47m

Spokane

Wed 3/11

6:10 am-6:28 am

1 stop21h 18m

$287

DetroitSpokane

DTW - GEG

DTWGEG

Detroit Metropolitan Wayne County

Wed 3/4

5:22 pm-12:29 pm

1 stop22h 07m

Spokane

Sun 3/8

7:06 pm-4:26 pm

1 stop18h 20m

$305

DetroitSpokane

DTW - GEG

DTWGEG

Detroit Metropolitan Wayne County

Sat 12/6

4:48 pm-8:59 pm

1 stop7h 11m

Spokane

Sat 12/13

7:00 am-11:58 pm

2 stops13h 58m

$342

DetroitHailey

DTW - SUN

DTWSUN

Detroit Metropolitan Wayne County

Wed 1/7

11:31 am-9:29 pm

2 stops11h 58m

Hailey Sun Valley-Friedman

Sat 1/10

7:00 am-3:08 pm

1 stop6h 08m

$346

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 Detroit 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 Detroit to Idaho. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $218. If you don’t want to visit Idaho in August, then you should wait until September to fly from Detroit, when ticket prices are also cheap, with an average price of $286.

What is the cheapest day to depart on your flight to Idaho?

Our data shows that Sunday is the least expensive day to fly to Idaho. Tickets to fly out on this day can be as low as $397. On the other hand, Thursday is the most expensive day to depart from Detroit because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $487.

What is the cheapest time of day to depart on your flight to Idaho?

According to our data, the cheapest time of day to fly to Idaho is at noon. momondo users have found flights departing from Detroit to Idaho at noon for as low as $341. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In the afternoon is when there is more demand to fly to Idaho, so prices are often more expensive at around $512 per ticket.

How far in advance should I book a flight to Idaho?

You are more likely to see cheaper flights to Idaho from Detroit when booking weeks ahead of your departure date. In general, you can expect to find flights to Idaho for around $486 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Idaho from Detroit for as low as $375 on momondo.

Can stopping save me money on Detroit to Idaho flights?

You could potentially save up to 25% on your flight if you consider stops on a Detroit to Idaho flight.

Cheap Detroit to Idaho flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Detroit to Idaho

Direct flights	None

There are no direct flights from Detroit to Idaho. There are no popular flight routes from Detroit to Idaho.

Search flight deals

When did momondo last update prices for flights from Detroit to Idaho?
Prices for flights from Detroit to Idaho were last updated today.
How many operators does momondo search for flights from Detroit to Idaho?
There are 6 operators available for flights from Detroit to Idaho as of November 2025.
How old do you have to be to fly from Detroit to Idaho?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Detroit to Idaho.
What documentation or ID do you need to fly to Idaho?
The required travel and health documents for your Idaho 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 Idaho. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Detroit to Idaho

Compare and see reviews for airlines that fly from Detroit to Idaho with momondo

Airline	Rating	Free Cancellation	Price
Spirit Airlines	PriceFrom $109	Free Cancellation	Rating 6.3 8,137 reviews	Search Spirit Airlines flights
Delta	PriceFrom $239	Free Cancellation	Rating 7.9 8,004 reviews	Search Delta flights
American Airlines	PriceFrom $268	Free Cancellation	Rating 7.2 11,046 reviews	Search American Airlines flights
Alaska Airlines	PriceFrom $298	Free Cancellation	Rating 8.0 11,270 reviews	Search Alaska Airlines flights
United Airlines	PriceFrom $316	Free Cancellation	Rating 7.4 9,012 reviews	Search United Airlines flights
Southwest	PriceFrom $464	Free Cancellation	Rating 8.0 4,235 reviews	Search Southwest flights

Why use momondo?

Why should I use momondo to find a flight deal from Detroit to Idaho?

It is quick and easy to find Detroit 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 Detroit to Idaho with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Idaho from Detroit with this policy.

How can momondo help me find flights from Detroit to Idaho?

Once all potential Detroit to Idaho flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Yes momondo offers price alerts on flights to Idaho from Detroit. 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.