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 64% of people opting to fly with this airline when traveling to Idaho. Keep in mind that there are 4 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 4 operators available for flights from Detroit to Idaho as of December 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.

$128 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.

6:00 am - 6:21 pm

DTW

GEG

15h 21m1 stop

1:19 pm - 11:59 pm

GEG

DTW

7h 40m1 stop

$184Frontier

Thu, Jan 15 - Thu, Jan 22

6:00 am - 6:21 pm

DTW

GEG

15h 21m1 stop

1:19 pm - 11:59 pm

GEG

DTW

7h 40m1 stop

$217Frontier

Sun, Jan 18 - Thu, Jan 22

5:15 pm - 9:05 pm

DTW

BOI

29h 50m1 stop

6:23 am - 4:19 pm

BOI

DTW

7h 56m1 stop

$226Alaska Airlines

Mon, Feb 2 - Sat, Feb 7

6:00 am - 9:58 am

DTW

GEG

30h 58m1 stop

1:19 pm - 4:19 pm

GEG

DTW

24h 00m2 stops

$262Multiple Airlines

Thu, Jan 15 - Thu, Jan 22

8:00 am - 11:58 am

DTW

JAC

5h 58m1 stop

2:40 pm - 12:44 am

JAC

DTW

8h 04m1 stop

$269Delta

Thu, Jan 22 - Thu, Jan 29

8:00 am - 12:34 pm

DTW

IDA

6h 34m1 stop

6:35 pm - 11:01 am

IDA

DTW

14h 26m2 stops

$274Delta

Wed, Jan 21 - Tue, Jan 27

5:15 pm - 12:11 pm

DTW

JAC

20h 56m2 stops

11:48 am - 4:19 pm

JAC

DTW

26h 31m2 stops

$279Alaska Airlines

Thu, Jan 22 - Thu, Jan 29

11:00 am - 8:53 pm

DTW

JAC

11h 53m2 stops

7:00 am - 6:18 pm

JAC

DTW

9h 18m2 stops

$294United Airlines

Thu, Apr 9 - Tue, Apr 14

11:06 am - 2:19 pm

DTW

IDA

29h 13m2 stops

9:20 pm - 6:25 pm

IDA

DTW

19h 05m1 stop

$305Multiple Airlines

Thu, Jan 8 - Mon, Jan 12

3:29 pm - 8:53 pm

DTW

JAC

7h 24m1 stop

2:35 pm - 10:52 pm

JAC

DTW

6h 17m1 stop

$325United Airlines

Thu, Apr 9 - Tue, Apr 14

Alaska Airlines flights from Detroit to Idaho

Our best Alaska Airlines deals on Detroit to Idaho flight tickets

Alaska Airlines

Feb 2

DTW5:15 pmDetroit Metropolitan Wayne County

29h 50m

1 stop

BOI9:05 pmBoise Air Term. Gowen Fld

Feb 7

BOI6:23 amBoise Air Term. Gowen Fld

7h 56m

1 stop

DTW4:19 pmDetroit Metropolitan Wayne County

$226

Find similar

Alaska Airlines

Feb 2

DTW5:15 pmDetroit Metropolitan Wayne County

7h 46m

1 stop

BOI11:01 pmBoise Air Term. Gowen Fld

Feb 7

BOI5:40 amBoise Air Term. Gowen Fld

8h 39m

2 stops

DTW4:19 pmDetroit Metropolitan Wayne County

$285

Find similar

Alaska Airlines

Jan 15

DTW5:15 pmDetroit Metropolitan Wayne County

8h 44m

1 stop

BOI11:59 pmBoise Air Term. Gowen Fld

Jan 18

BOI6:23 amBoise Air Term. Gowen Fld

7h 56m

1 stop

DTW4:19 pmDetroit Metropolitan Wayne County

$286

Find similar

Frontier flights from Detroit to Idaho

Our best Frontier deals on Detroit to Idaho flight tickets

Frontier

Jan 15

DTW6:00 amDetroit Metropolitan Wayne County

15h 21m

1 stop

GEG6:21 pmSpokane

Jan 22

GEG1:19 pmSpokane

7h 40m

1 stop

DTW11:59 pmDetroit Metropolitan Wayne County

$184

Find similar

Frontier

Jan 18

DTW6:00 amDetroit Metropolitan Wayne County

15h 21m

1 stop

GEG6:21 pmSpokane

Jan 22

GEG1:19 pmSpokane

7h 40m

1 stop

DTW11:59 pmDetroit Metropolitan Wayne County

$217

Find similar

Frontier

Jan 14

DTW8:00 amDetroit Metropolitan Wayne County

31h 25m

2 stops

BOI1:25 pmBoise Air Term. Gowen Fld

Jan 18

BOI2:01 pmBoise Air Term. Gowen Fld

19h 23m

1 stop

DTW11:24 amDetroit Metropolitan Wayne County

$257

Find similar

Fly from

Fly to

Route

Depart

Return

Price

DetroitSpokane

DTW - GEG

DTWGEG

Detroit Metropolitan Wayne County

Thu 1/15

6:00 am-6:21 pm

1 stop15h 21m

Spokane

Thu 1/22

1:19 pm-11:59 pm

1 stop7h 40m

$184

DetroitSpokane

DTW - GEG

DTWGEG

Detroit Metropolitan Wayne County

Sun 1/18

6:00 am-6:21 pm

1 stop15h 21m

Spokane

Thu 1/22

1:19 pm-11:59 pm

1 stop7h 40m

$217

DetroitBoise

DTW - BOI

DTWBOI

Detroit Metropolitan Wayne County

Mon 2/2

5:15 pm-9:05 pm

1 stop29h 50m

Boise Air Term. Gowen Fld

Sat 2/7

6:23 am-4:19 pm

1 stop7h 56m

$226

DetroitSpokane

DTW - GEG

DTWGEG

Detroit Metropolitan Wayne County

Thu 1/15

6:00 am-9:58 am

1 stop30h 58m

Spokane

Thu 1/22

1:19 pm-4:19 pm

2 stops24h 00m

$262

DetroitJackson

DTW - JAC

DTWJAC

Detroit Metropolitan Wayne County

Thu 1/22

8:00 am-11:58 am

1 stop5h 58m

Jackson Hole

Thu 1/29

2:40 pm-12:44 am

1 stop8h 04m

$269

DetroitIdaho Falls

DTW - IDA

DTWIDA

Detroit Metropolitan Wayne County

Wed 1/21

8:00 am-12:34 pm

1 stop6h 34m

Idaho Falls Fanning Field

Tue 1/27

6:35 pm-11:01 am

2 stops14h 26m

$274

DetroitJackson

DTW - JAC

DTWJAC

Detroit Metropolitan Wayne County

Thu 1/22

5:15 pm-12:11 pm

2 stops20h 56m

Jackson Hole

Thu 1/29

11:48 am-4:19 pm

2 stops26h 31m

$279

DetroitJackson

DTW - JAC

DTWJAC

Detroit Metropolitan Wayne County

Thu 4/9

11:00 am-8:53 pm

2 stops11h 53m

Jackson Hole

Tue 4/14

7:00 am-6:18 pm

2 stops9h 18m

$294

DetroitIdaho Falls

DTW - IDA

DTWIDA

Detroit Metropolitan Wayne County

Thu 1/8

11:06 am-2:19 pm

2 stops29h 13m

Idaho Falls Fanning Field

Mon 1/12

9:20 pm-6:25 pm

1 stop19h 05m

$305

DetroitJackson

DTW - JAC

DTWJAC

Detroit Metropolitan Wayne County

Thu 4/9

3:29 pm-8:53 pm

1 stop7h 24m

Jackson Hole

Tue 4/14

2:35 pm-10:52 pm

1 stop6h 17m

$325

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 $466 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 $341 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

Fastest flight time	5h 39m
Direct flights	None

The fastest flight from Detroit to Idaho takes 5h 39m

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 4 operators available for flights from Detroit to Idaho as of December 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
Delta	PriceFrom $239	Free Cancellation	Rating 7.9 8,013 reviews	Search Delta flights
American Airlines	PriceFrom $268	Free Cancellation	Rating 7.2 11,061 reviews	Search American Airlines flights
Alaska Airlines	PriceFrom $298	Free Cancellation	Rating 8.0 11,534 reviews	Search Alaska Airlines flights
United Airlines	PriceFrom $316	Free Cancellation	Rating 7.4 9,115 reviews	Search United Airlines 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.