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$148+ Cheap flights from Detroit (DTT) to Idaho

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/13. Fares are subject to change and may not be available on all flights or dates of travel.
DTT — BOI
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
1 adult, Economy
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Cheap flight deals from Detroit to Idaho

Keep the following information in mind while searching for Detroit to Idaho flight deals. Data was last updated September 16, 2025.

Round-trip from

$225
(Frontier)

One-way from

$148
(Kiwi.com)

Popular in

March

Cheapest in

August

Average price

$313
From Detroit (DTT) to Idaho
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One-way flight from Detroit (DTT) to Idaho
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Highest demand for flights based on searches. 9% potential increase in price ($46 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($17 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Detroit to Idaho

Cheapest flights from Detroit to Idaho
Explore the most affordable flight options available from Detroit to Idaho. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 16, 2025.

This Frontier deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/56:10 amDTW - BOI
1 stop7h 27mFrontier
Thu 10/912:28 pmBOI - DTW
1 stop10h 31mFrontier
Deal found 9/14$225
This SmartFares deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/304:51 pmDTW - IDA
1 stop9h 08mAlaska Airlines
Sat 11/86:05 amIDA - DTW
1 stop7h 50mAlaska Airlines
Deal found 9/14$242
This Priceline deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/256:10 amDTW - GEG
1 stop7h 48mFrontier
Sun 9/2811:53 amGEG - DTW
1 stop9h 53mFrontier
Deal found 9/15$266
This Priceline deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/26:10 amDTW - GEG
1 stop7h 48mFrontier
Sun 10/511:53 amGEG - DTW
1 stop9h 53mFrontier
Deal found 9/15$270
This Priceline deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/126:00 amDTW - BOI
1 stop7h 43mFrontier
Sun 10/1912:28 pmBOI - DTW
1 stop10h 31mFrontier
Deal found 9/14$270
This Priceline deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/216:10 amDTW - GEG
1 stop7h 48mFrontier
Sun 9/2811:53 amGEG - DTW
1 stop9h 53mFrontier
Deal found 9/14$281
This Frontier deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/216:10 amDTW - BOI
1 stop7h 27mFrontier
Thu 9/2512:22 pmBOI - DTW
1 stop10h 24mFrontier
Deal found 9/15$313
This Kiwi.com deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/304:51 pmDTW - IDA
1 stop9h 08mMultiple Airlines
Sat 11/86:05 amIDA - DTW
1 stop7h 50mMultiple Airlines
Deal found 9/14$327
This Trip.com deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/296:10 amDTW - BOI
2 stops16h 21mMultiple Airlines
Fri 10/39:26 pmBOI - DTW
2 stops24h 32mMultiple Airlines
Deal found 9/14$330
This American Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/108:43 pmDTW - GEG
1 stop18h 49mAmerican Airlines
Fri 11/141:14 pmGEG - DTW
1 stop20h 45mAmerican Airlines
Deal found 9/15$331
This American Airlines deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/411:54 amDTW - GEG
1 stop9h 45mAmerican Airlines
Sat 10/181:12 pmGEG - DTW
1 stop7h 13mAmerican Airlines
Deal found 9/13$337
This American Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/144:09 pmDTW - BOI
1 stop8h 13mAmerican Airlines
Tue 10/211:26 pmBOI - DTW
1 stop18h 26mAmerican Airlines
Deal found 9/14$342

Cheapflights Fare Finder

 
Customize your flight search to find flights from Detroit to Idaho that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 16, 2025.
Use the filters below to find and compare flights from Detroit to Idaho that are best for you.

Fly from

Detroit

Fly to

Idaho

Route

Depart

Return

Price

DetroitBoise

DTW - BOI

DTWBOI

Detroit Metropolitan Wayne County

Sun 10/5

6:10 am-11:37 am

1 stop7h 27m

Boise Air Term. Gowen Fld

Thu 10/9

12:28 pm-12:59 am

1 stop10h 31m

$225

DetroitIdaho Falls

DTW - IDA

DTWIDA

Detroit Metropolitan Wayne County

Thu 10/30

4:51 pm-11:59 pm

1 stop9h 08m

Idaho Falls Fanning Field

Sat 11/8

6:05 am-3:55 pm

1 stop7h 50m

$242

DetroitSpokane

DTW - GEG

DTWGEG

Detroit Metropolitan Wayne County

Sun 9/21

6:10 am-10:58 am

1 stop7h 48m

Spokane

Sun 9/28

11:53 am-12:46 am

1 stop9h 53m

$281

DetroitIdaho Falls

DTW - IDA

DTWIDA

Detroit Metropolitan Wayne County

Thu 10/30

4:51 pm-11:59 pm

1 stop9h 08m

Idaho Falls Fanning Field

Sat 11/8

6:05 am-3:55 pm

1 stop7h 50m

$327

DetroitSpokane

DTW - GEG

DTWGEG

Detroit Metropolitan Wayne County

Sat 10/4

11:54 am-6:39 pm

1 stop9h 45m

Spokane

Sat 10/18

1:12 pm-11:25 pm

1 stop7h 13m

$337

DetroitBoise

DTW - BOI

DTWBOI

Detroit Metropolitan Wayne County

Tue 10/14

4:09 pm-10:22 pm

1 stop8h 13m

Boise Air Term. Gowen Fld

Tue 10/21

1:26 pm-9:52 am

1 stop18h 26m

$342

DetroitSpokane

DTW - GEG

DTWGEG

Detroit Metropolitan Wayne County

Thu 10/23

6:00 am-11:08 am

1 stop8h 08m

Spokane

Mon 10/27

5:51 am-3:55 pm

1 stop7h 04m

$344

DetroitBoise

DTW - BOI

DTWBOI

Detroit Metropolitan Wayne County

Wed 10/1

7:54 pm-1:21 pm

1 stop19h 27m

Boise Air Term. Gowen Fld

Mon 10/6

10:34 pm-12:59 am

2 stops24h 25m

$347

DetroitSpokane

DTW - GEG

DTWGEG

Detroit Metropolitan Wayne County

Fri 10/24

9:48 am-6:48 pm

1 stop12h 00m

Spokane

Sun 10/26

9:08 pm-3:47 pm

1 stop15h 39m

$353

DetroitIdaho Falls

DTW - IDA

DTWIDA

Detroit Metropolitan Wayne County

Sat 11/15

9:07 am-1:35 pm

1 stop6h 28m

Idaho Falls Fanning Field

Thu 11/27

5:00 am-4:57 pm

2 stops9h 57m

$354

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 56 results
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Best time to book a flight from Detroit to Idaho

Have a flexible travel schedule? Discover the best time to fly to Idaho from Detroit with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Detroit to Idaho

What is the cheapest month to book a flight from Detroit to Idaho?

Currently, October is the cheapest month in which you can book a flight from Detroit to Idaho (average of $314). Flying from Detroit to Idaho in June is currently the most expensive (average of $398). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from DTT to ID?

Find hourly flight availability from Detroit to Idaho. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 16, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Detroit to Idaho as you normally would.

How much does it cost to fly round-trip from Detroit to Idaho?

Reviews of airlines servicing Idaho

Get insights into the airlines that provide service to Idaho. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Idaho. Reviews last updated September 16, 2025.
See what other customers who have flown with Delta and United Airlines from Detroit to Idaho have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,954 reviews

Entertainment

7.9

Comfort

7.9

Overall

8.0

Crew

8.5

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,954 reviews
Delta
8.0
Very good
7,954 reviews

Entertainment

7.9

Comfort

7.9

Overall

8.0

Crew

8.5

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,929 reviews
Delta
8.0
Very good
7,954 reviews

Entertainment

7.9

Comfort

7.9

Overall

8.0

Crew

8.5

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

Find useful and relevant information for your journey from Detroit to Idaho. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Detroit to Idaho?

    Detroit All airports (DTT) is the airport you will fly out of if you book a flight from Detroit to Idaho. It is only a 0.6 mi journey to All airports (DTT) from Detroit’s city center.

  • How long is the flight from Detroit to Idaho?

    Departing from Detroit to Idaho will take you 7h 27m. Detroit and Idaho are separated by a distance of 1654 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Detroit to Idaho one-way?

    To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $158. American Airlines flights start at $169 while deals on Delta start at $169 one-way.

  • What are the most popular routes from Detroit to Idaho?

    While some choose either Detroit Metropolitan Wayne County - Jackson Hole or Detroit Metropolitan Wayne County - Spokane, Detroit Metropolitan Wayne County - Boise Air Term. Gowen Fld is the most popular route from Detroit to Idaho.

  • Can I find deals for flights from Detroit to Idaho that include hotel bookings?

    Yes. In addition to deals on Detroit to Idaho flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Detroit to Idaho?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Detroit to Idaho.

  • Can I find deals for business class flights from Detroit to Idaho?

    Yes. Cheapflights offers flight deals from Detroit to Idaho by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Detroit to Idaho?

    Currently, October is the cheapest month in which you can book a flight from Detroit to Idaho (average of $314). Flying from Detroit to Idaho in June is currently the most expensive (average of $398). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Detroit to Idaho

See prices for flight routes from nearby airports that may be better suited for you.
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Top 6 airlines flying from Detroit to Idaho

Discover the top 6 airlines that operate flights from Detroit to Idaho. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$206Average$258FlexibilityNo cancel feeOn-time65%
DeltaCheapest$239Average$460FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$268Average$483FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$300Average$506FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$316Average$588FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$356Average$396FlexibilityNo cancel feeOn-time75%

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