HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Idaho Falls

$135+ Cheap flights from Detroit to Idaho Falls (DTT - IDA)

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 12/5. Fares are subject to change and may not be available on all flights or dates of travel.
DTT — IDA
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Detroit to Idaho Falls 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 Falls

Discover tips and strategies to find the most affordable flight options for your journey from Detroit (DTT) to Idaho Falls (IDA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 15, 2025.

Round-trip from

$242
(SmartFares)

One-way from

$135
(American Airlines)
From Detroit (DTT) to Idaho Falls Fanning Field
Search Deals
One-way flight from Detroit (DTT) to Idaho Falls Fanning Field
Search Deals

Find flight deals from Detroit to Idaho Falls

Cheapest flights from Detroit to Idaho Falls
Explore the most affordable flight options available from Detroit to Idaho Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2025.

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 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 United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/159:07 amDTW - IDA
1 stop6h 28mUnited Airlines
Thu 11/275:00 amIDA - DTW
2 stops9h 57mUnited Airlines
Deal found 9/15$354
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.
Sat 11/155:11 amDTW - IDA
1 stop10h 17mAmerican Airlines
Thu 11/277:10 amIDA - DTW
1 stop7h 04mAmerican Airlines
Deal found 9/14$370
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 10/184:09 pmDTW - IDA
1 stop7h 39mAmerican Airlines
Sat 10/256:44 amIDA - DTW
2 stops14h 41mAmerican Airlines
Deal found 9/13$423
This Alaska 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/185:30 amDTW - IDA
2 stops12h 08mAlaska Airlines
Sat 10/254:15 pmIDA - DTW
2 stops16h 22mAlaska Airlines
Deal found 9/13$429
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.
Mon 9/226:48 amDTW - IDA
1 stop7h 36mAmerican Airlines
Wed 9/246:44 amIDA - DTW
1 stop8h 29mAmerican Airlines
Deal found 9/14$437
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/189:15 amDTW - IDA
2 stops10h 03mUnited Airlines
Sat 10/259:41 amIDA - DTW
2 stops11h 00mUnited Airlines
Deal found 9/14$462
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.
Thu 10/307:00 amDTW - IDA
1 stop7h 25mAmerican Airlines
Sat 11/81:58 pmIDA - DTW
2 stops20h 12mAmerican Airlines
Deal found 9/14$475
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/169:01 amDTW - IDA
1 stop6h 29mUnited Airlines
Thu 9/1810:56 amIDA - DTW
2 stops10h 45mUnited Airlines
Deal found 9/14$480

Cheapflights Fare Finder

 
Customize your flight search to find flights from Detroit to Idaho Falls 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 15, 2025.
Use the filters below to find and compare flights from Detroit to Idaho Falls that are best for you.

Fly from

Detroit

Fly to

Idaho Falls

Route

Depart

Return

Price

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

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

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

DetroitIdaho Falls

DTW - IDA

DTWIDA

Detroit Metropolitan Wayne County

Sat 11/15

5:11 am-1:28 pm

1 stop10h 17m

Idaho Falls Fanning Field

Thu 11/27

7:10 am-4:14 pm

1 stop7h 04m

$370

DetroitIdaho Falls

DTW - IDA

DTWIDA

Detroit Metropolitan Wayne County

Sat 10/18

4:09 pm-9:48 pm

1 stop7h 39m

Idaho Falls Fanning Field

Sat 10/25

12:55 pm-11:25 pm

1 stop8h 30m

$370

DetroitIdaho Falls

DTW - IDA

DTWIDA

Detroit Metropolitan Wayne County

Fri 12/5

5:11 am-1:27 pm

1 stop10h 16m

$135

DetroitIdaho Falls

DTW - IDA

DTWIDA

Detroit Metropolitan Wayne County

Fri 11/7

9:30 am-4:08 pm

1 stop8h 38m

$178

DetroitIdaho Falls

DTW - IDA

DTWIDA

Detroit Metropolitan Wayne County

Fri 12/5

9:45 am-7:26 pm

2 stops11h 41m

$240

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/13

Best time to book a flight from Detroit to Idaho Falls

Have a flexible travel schedule? Discover the best time to fly to Idaho Falls 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 Falls

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

Currently, October is the cheapest month in which you can book a flight from Detroit to Idaho Falls (average of $380). Flying from Detroit to Idaho Falls in December is currently the most expensive (average of $578). 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.

Related info for your journey

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

  • How long is the flight from Detroit to Idaho Falls?

    For as low as $354, Alaska Airlines can have you in Idaho Falls from Detroit in 6h 28m. There are 1449 mi between Detroit and Idaho Falls. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Detroit to Idaho Falls round-trip?

    Flying on Delta is currently your cheapest option to Idaho Falls, with prices starting at $239. Additional round-trip tickets that might be worth considering are offered by American Airlines and United Airlines, with the lowest prices starting at $268 and $316, respectively.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Detroit to Idaho Falls 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 Falls?

    Currently, October is the cheapest month in which you can book a flight from Detroit to Idaho Falls (average of $380). Flying from Detroit to Idaho Falls in December is currently the most expensive (average of $578). 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

Traveling to a place near Idaho Falls?

Book flights to Idaho Falls if you plan to visit one of these locations
Rexburg

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 Falls

See prices for flight routes from nearby airports that may be better suited for you.
O'Hare Intl to Jackson flights
O'Hare Intl to Boise flights
O'Hare Intl to Spokane flights
Midway to Jackson flights
Detroit to Boise flights
Midway to Boise flights
O'Hare Intl to Hailey flights
Detroit to Jackson flights
Detroit to Spokane flights
Grand Rapids to Jackson flights
Midway to Spokane flights
O'Hare Intl to Idaho Falls flights
Grand Rapids to Boise flights
South Bend to Boise flights
Midway to Hailey flights
Traverse City to Jackson flights
Flint to Boise flights
Flint to Jackson flights
Traverse City to Boise flights
Grand Rapids to Idaho Falls flights
Midway to Idaho Falls flights
Grand Rapids to Spokane flights
Traverse City to Spokane flights
Kalamazoo to Jackson flights
Muskegon to Boise flights
Lansing to Jackson flights
O'Hare Intl to Pocatello flights
Detroit to Idaho Falls flights
Marquette to Spokane flights
Detroit to West Yellowstone flights
O'Hare Intl to West Yellowstone flights
Bay City to Jackson flights
Flint to Idaho Falls flights
South Bend to Spokane flights
Kalamazoo to Spokane flights
Bay City to Boise flights
Midway to West Yellowstone flights
South Bend to Idaho Falls flights
South Bend to Jackson flights
Pellston to Boise flights
O'Hare Intl to Twin Falls flights
Detroit to Lewiston flights
Iron Mountain to Boise flights
Iron Mountain to Jackson flights
Midway to Lewiston flights
Kalamazoo to Idaho Falls flights
Lansing to Boise flights

Top 3 airlines flying from Detroit to Idaho Falls

Discover the top 3 airlines that operate flights from Detroit to Idaho Falls. 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 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$239Average$376FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$268Average$510FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$316Average$618FlexibilityNo 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.