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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 10/2. Fares are subject to change and may not be available on all flights or dates of travel.
DTT — IDA
Aug 6 — Aug 131
Wed 8/6
Wed 8/13
1 adult, Economy
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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 August 1, 2025.

Round-trip from

$344
(Delta)

One-way from

$135
(Alaska Airlines)
From Detroit (DTT) to Idaho Falls Fanning Field
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One-way flight from Detroit (DTT) to Idaho Falls Fanning Field
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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 August 1, 2025.

This Delta deal was found by Cheapflights users on 7/31. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/168:18 amDTW - IDA
1 stop6h 08mDelta
Fri 10/36:51 pmIDA - DTW
2 stops12h 32mDelta
Deal found 7/31$344
This Hawaiian Airlines deal was found by Cheapflights users on 7/31. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/164:51 pmDTW - IDA
1 stop7h 48mHawaiian Airlines
Fri 10/36:13 amIDA - DTW
1 stop7h 42mHawaiian Airlines
Deal found 7/31$374
This United Airlines deal was found by Cheapflights users on 7/31. 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 9/166:00 amDTW - IDA
2 stops11h 11mUnited Airlines
Fri 10/35:56 pmIDA - DTW
2 stops14h 11mUnited Airlines
Deal found 7/31$450
This American Airlines deal was found by Cheapflights users on 7/29. 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.
Wed 8/207:00 amDTW - IDA
1 stop7h 16mAmerican Airlines
Sun 8/317:00 amIDA - DTW
1 stop7h 54mAmerican Airlines
Deal found 7/29$505

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 August 1, 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

Tue 9/16

8:18 am-12:26 pm

1 stop6h 08m

Idaho Falls Fanning Field

Fri 10/3

6:51 pm-9:23 am

2 stops12h 32m

$344

DetroitIdaho Falls

DTW - IDA

DTWIDA

Detroit Metropolitan Wayne County

Tue 9/16

4:51 pm-10:39 pm

1 stop7h 48m

Idaho Falls Fanning Field

Fri 10/3

6:13 am-3:55 pm

1 stop7h 42m

$374

DetroitIdaho Falls

DTW - IDA

DTWIDA

Detroit Metropolitan Wayne County

Tue 9/16

6:00 am-3:11 pm

2 stops11h 11m

Idaho Falls Fanning Field

Fri 10/3

5:56 pm-10:07 am

2 stops14h 11m

$450

DetroitIdaho Falls

DTW - IDA

DTWIDA

Detroit Metropolitan Wayne County

Wed 8/20

7:00 am-12:16 pm

1 stop7h 16m

Idaho Falls Fanning Field

Sun 8/31

7:00 am-4:54 pm

1 stop7h 54m

$505

DetroitIdaho Falls

DTW - IDA

DTWIDA

Detroit Metropolitan Wayne County

Thu 10/2

4:51 pm-10:39 pm

1 stop7h 48m

$135

DetroitIdaho Falls

DTW - IDA

DTWIDA

Detroit Metropolitan Wayne County

Thu 10/2

9:11 pm-4:14 pm

2 stops21h 03m

$159

DetroitIdaho Falls

DTW - IDA

DTWIDA

Detroit Metropolitan Wayne County

Thu 9/11

4:51 pm-10:39 pm

1 stop7h 48m

$186

DetroitIdaho Falls

DTW - IDA

DTWIDA

Detroit Metropolitan Wayne County

Sat 8/9

7:00 am-10:34 am

1 stop5h 34m

$190

DetroitIdaho Falls

DTW - IDA

DTWIDA

Detroit Metropolitan Wayne County

Wed 8/6

8:54 am-1:32 pm

1 stop6h 38m

$228

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/30

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.

Reviews of airlines servicing Idaho Falls

Get insights into the airlines that provide service to Idaho Falls. 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 Falls. Reviews last updated August 1, 2025.
Read through reviews of airlines operating flights from Detroit to Idaho Falls, such as Alaska Airlines, Delta, and Hawaiian Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Food

7.1

Entertainment

7.1

Overall

8.0

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Food

7.1

Entertainment

7.1

Overall

8.0

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Delta
8.0
Very good
7,981 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Food

7.1

Entertainment

7.1

Overall

8.0

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Hawaiian Airlines
7.8
Good
2,611 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Food

7.1

Entertainment

7.1

Overall

8.0

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
United Airlines
7.4
Good
8,900 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Food

7.1

Entertainment

7.1

Overall

8.0

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Food

7.1

Entertainment

7.1

Overall

8.0

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

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.

  • 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 $344. Additional round-trip tickets that might be worth considering are offered by Hawaiian Airlines and United Airlines, with the lowest prices starting at $374 and $450, respectively.

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

    For one-way options, check prices for Alaska Airlines. According to our data, you can fly for as low as $135. Users have also found prices from $186 and $190 on Hawaiian Airlines and Delta, 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

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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 August 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$239Average$382FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$268Average$436FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$316Average$610FlexibilityNo cancel feeOn-time69%

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