Idaho

$139+ 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 7/28. Fares are subject to change and may not be available on all flights or dates of travel.
DTT — BOI
Jul 21 — Jul 281
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Detroit to Idaho with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap 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 June 21, 2026.

This Frontier deal was found by Cheapflights users on 6/16. 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.
Thu 7/167:40 am
DTW
-
BOI
1 stop6h 49m
Frontier
Tue 7/211:24 pm
BOI
-
DTW
1 stop8h 35m
Frontier
Deal found 6/16$320
This Expedia deal was found by Cheapflights users on 6/20. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/97:40 am
DTW
-
BOI
1 stop6h 49m
Frontier
Thu 7/161:24 pm
BOI
-
DTW
1 stop21h 10m
Frontier
Deal found 6/20$322
This CheapOair deal was found by Cheapflights users on 6/20. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/256:50 am
DTW
-
BOI
1 stop7h 39m
Frontier
Sun 8/3012:24 pm
BOI
-
DTW
1 stop21h 01m
Frontier
Deal found 6/20$324
This American Airlines deal was found by Cheapflights users on 6/17. 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 11/37:23 am
DTW
-
IDA
1 stop8h 04m
American Airlines
Tue 11/107:15 am
IDA
-
DTW
1 stop7h 13m
American Airlines
Deal found 6/17$329
This CheapOair deal was found by Cheapflights users on 6/17. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/11:19 pm
DTW
-
BOI
1 stop25h 10m
Frontier
Thu 8/61:24 pm
BOI
-
DTW
1 stop21h 10m
Frontier
Deal found 6/17$332
This Frontier deal was found by Cheapflights users on 6/18. 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.
Thu 8/137:40 am
DTW
-
BOI
1 stop6h 49m
Frontier
Sun 8/161:24 pm
BOI
-
DTW
1 stop8h 35m
Frontier
Deal found 6/18$336
This American Airlines deal was found by Cheapflights users on 6/19. 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 10/195:43 am
DTW
-
IDA
1 stop8h 37m
American Airlines
Tue 10/277:00 am
IDA
-
DTW
1 stop8h 45m
American Airlines
Deal found 6/19$337
This Expedia deal was found by Cheapflights users on 6/19. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/167:40 am
DTW
-
BOI
1 stop6h 49m
Frontier
Thu 7/301:24 pm
BOI
-
DTW
1 stop8h 35m
Frontier
Deal found 6/19$342
This Frontier deal was found by Cheapflights users on 6/16. 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.
Tue 7/147:40 am
DTW
-
BOI
1 stop6h 49m
Frontier
Tue 7/211:24 pm
BOI
-
DTW
1 stop8h 35m
Frontier
Deal found 6/16$350
This Frontier deal was found by Cheapflights users on 6/20. 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 7/57:40 am
DTW
-
BOI
1 stop6h 49m
Frontier
Thu 7/91:24 pm
BOI
-
DTW
1 stop8h 35m
Frontier
Deal found 6/20$352
This Expedia deal was found by Cheapflights users on 6/16. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/127:40 am
DTW
-
BOI
1 stop6h 49m
Frontier
Sun 7/191:24 pm
BOI
-
DTW
1 stop21h 10m
Frontier
Deal found 6/16$363
This Alaska Airlines deal was found by Cheapflights users on 6/19. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/277:00 am
DTW
-
IDA
1 stop10h 35m
Alaska Airlines
Sat 10/316:09 am
IDA
-
DTW
1 stop8h 48m
Alaska Airlines
Deal found 6/19$367

Find flight deals from Detroit to Idaho

Keep the following information in mind while searching for Detroit to Idaho flight deals. Data was last updated June 21, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$320
(Frontier)

One-way from

$139

Popular in

November

Cheapest in

August

Average price

$548
Provider with most accurate pricing for Detroit (DTT)-Boise Air Term. Gowen Fld flight deals.
Provider most trusted by Cheapflights users for Detroit (DTT)-Boise Air Term. Gowen Fld flights.
From Detroit (DTT) to Idaho
One-way flight from Detroit (DTT) to Idaho
Highest demand for flights based on searches. 23% potential increase in price ($148 potential increase over avg. RT price).
Cheapest flight prices on average. 9% potential price decrease ($42 potential savings vs. average RT price).
Average for round-trip flights in June 2026

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 June 21, 2026.
Use the filters below to find and compare flights from Detroit to Idaho that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DetroitSpokane

DTW - GEG

DTWGEG

Detroit Metropolitan Wayne County

Wed 9/16

6:00 am-12:20 pm

1 stop9h 20m

Spokane

Fri 9/18

2:00 pm-10:35 pm

1 stop5h 35m

$435
Quickest round-trip

DetroitIdaho Falls

DTW - IDA

DTWIDA

Detroit Metropolitan Wayne County

Tue 6/23

7:00 am-10:43 am

1 stop5h 43m

Idaho Falls Fanning Field

Sun 6/28

3:25 pm-12:11 am

1 stop6h 46m

$474

DetroitIdaho Falls

DTW - IDA

DTWIDA

Detroit Metropolitan Wayne County

Tue 6/23

7:00 am-10:43 am

1 stop5h 43m

Idaho Falls Fanning Field

Mon 6/29

11:25 am-10:33 pm

2 stops9h 08m

$479

DetroitBoise

DTW - BOI

DTWBOI

Detroit Metropolitan Wayne County

Thu 8/13

5:00 pm-10:35 pm

1 stop7h 35m

Boise Air Term. Gowen Fld

Mon 8/17

2:55 pm-11:35 pm

1 stop6h 40m

$481

DetroitBoise

DTW - BOI

DTWBOI

Detroit Metropolitan Wayne County

Wed 7/8

6:00 am-10:05 am

1 stop6h 05m

Boise Air Term. Gowen Fld

Sat 7/11

11:35 am-12:20 am

1 stop10h 45m

$485

DetroitBoise

DTW - BOI

DTWBOI

Detroit Metropolitan Wayne County

Tue 9/8

7:00 am-1:40 pm

2 stops8h 40m

Boise Air Term. Gowen Fld

Sat 9/12

6:10 am-5:30 pm

2 stops9h 20m

$490

DetroitJackson

DTW - JAC

DTWJAC

Detroit Metropolitan Wayne County

Wed 9/2

12:27 pm-8:11 pm

2 stops9h 44m

Jackson Hole

Sat 9/5

1:10 pm-10:40 pm

1 stop7h 30m

$490

DetroitJackson

DTW - JAC

DTWJAC

Detroit Metropolitan Wayne County

Sat 8/29

12:27 pm-8:10 pm

2 stops9h 43m

Jackson Hole

Sat 9/5

1:10 pm-10:40 pm

1 stop7h 30m

$490

DetroitBoise

DTW - BOI

DTWBOI

Detroit Metropolitan Wayne County

Wed 7/1

6:00 am-11:15 am

1 stop7h 15m

Boise Air Term. Gowen Fld

Mon 7/6

11:45 pm-10:10 am

1 stop8h 25m

$491

DetroitBoise

DTW - BOI

DTWBOI

Detroit Metropolitan Wayne County

Mon 7/13

5:30 am-11:32 am

1 stop8h 02m

Boise Air Term. Gowen Fld

Fri 7/17

12:34 pm-10:19 pm

1 stop7h 45m

$493

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/18

Showing 1-10 of 60 resultsSorted by cheapest first
1
2
3
...
6

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, September is the cheapest month in which you can book a flight from Detroit to Idaho (average of $42). Flying from Detroit to Idaho in January is currently the most expensive (average of $272). 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.

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 June 21, 2026.
See what other customers who have flown with Alaska Airlines,Southwest, andDelta 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.

Entertainment

7.0

Boarding

8.1

Comfort

7.8

Crew

8.5

Food

7.1

Overall

7.9

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2026

SEA - RNO

There was a delay and my husband needs a wheelchair and we were moved from 1 gate to another.

Entertainment

7.0

Boarding

8.1

Comfort

7.8

Crew

8.5

Food

7.1

Overall

7.9

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2026

SEA - RNO

There was a delay and my husband needs a wheelchair and we were moved from 1 gate to another.

Entertainment

7.0

Boarding

8.1

Comfort

7.8

Crew

8.5

Food

7.1

Overall

7.9

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2026

SEA - RNO

There was a delay and my husband needs a wheelchair and we were moved from 1 gate to another.

Entertainment

7.0

Boarding

8.1

Comfort

7.8

Crew

8.5

Food

7.1

Overall

7.9

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2026

SEA - RNO

There was a delay and my husband needs a wheelchair and we were moved from 1 gate to another.

Entertainment

7.0

Boarding

8.1

Comfort

7.8

Crew

8.5

Food

7.1

Overall

7.9

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2026

SEA - RNO

There was a delay and my husband needs a wheelchair and we were moved from 1 gate to another.

Entertainment

7.0

Boarding

8.1

Comfort

7.8

Crew

8.5

Food

7.1

Overall

7.9

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2026

SEA - RNO

There was a delay and my husband needs a wheelchair and we were moved from 1 gate to another.

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 35m. 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 $100. United Airlines flights start at $152 while deals on Delta start at $163 one-way.

  • What are the most popular routes 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, September is the cheapest month in which you can book a flight from Detroit to Idaho (average of $42). Flying from Detroit to Idaho in January is currently the most expensive (average of $272). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Detroit to Idaho

See prices for flight routes from nearby airports that may be better suited for you.

Top 5 airlines flying from Detroit to Idaho

Discover the top 5 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 June 21, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$127Average$290FlexibilityNo cancel feeOn-time62%
DeltaCheapest$239Average$502FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$264Average$465FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$280Average$510FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$328Average$499FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.