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Helena

$432+ Cheap flights from Detroit to Helena (DTT - HLN)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/24. Fares are subject to change and may not be available on all flights or dates of travel.
DTT — HLN
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
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Cheap flight deals from Detroit to Helena

Discover tips and strategies to find the most affordable flight options for your journey from Detroit (DTT) to Helena (HLN). 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

$432
(Alaska Airlines)
From Detroit (DTT) to Helena
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Find flight deals from Detroit to Helena

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

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.
Fri 10/245:12 pmDTW - HLN
1 stop26h 29mAlaska Airlines
Tue 10/286:13 pmHLN - DTW
1 stop19h 42mAlaska Airlines
Deal found 9/13$432
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.
Fri 10/245:12 pmDTW - HLN
1 stop26h 29mAlaska Airlines
Wed 10/296:13 pmHLN - DTW
1 stop19h 42mAlaska Airlines
Deal found 9/13$442
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.
Fri 10/245:12 pmDTW - HLN
1 stop26h 29mAlaska Airlines
Fri 10/316:13 pmHLN - DTW
1 stop19h 42mAlaska Airlines
Deal found 9/13$462
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/185:59 pmDTW - HLN
1 stop6h 17mDelta
Sat 11/15:45 amHLN - DTW
2 stops11h 46mDelta
Deal found 9/13$464
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.
Thu 10/235:12 pmDTW - HLN
1 stop26h 29mAlaska Airlines
Sat 11/16:13 pmHLN - DTW
1 stop20h 42mAlaska Airlines
Deal found 9/13$472
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.
Thu 10/235:12 pmDTW - HLN
1 stop26h 29mAlaska Airlines
Fri 10/316:13 pmHLN - DTW
1 stop19h 42mAlaska Airlines
Deal found 9/13$492
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 10/185:12 pmDTW - HLN
1 stop26h 29mAlaska Airlines
Tue 10/286:13 pmHLN - DTW
1 stop19h 42mAlaska Airlines
Deal found 9/13$493
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 10/185:12 pmDTW - HLN
1 stop26h 29mAlaska Airlines
Sat 11/16:13 pmHLN - DTW
1 stop20h 42mAlaska Airlines
Deal found 9/13$503
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/208:03 amDTW - HLN
1 stop6h 23mDelta
Mon 12/11:06 pmHLN - DTW
1 stop8h 53mDelta
Deal found 9/13$513
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/185:59 pmDTW - HLN
1 stop6h 17mDelta
Wed 10/291:00 pmHLN - DTW
2 stops16h 16mDelta
Deal found 9/13$515
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 10/185:12 pmDTW - HLN
1 stop26h 29mAlaska Airlines
Fri 10/316:13 pmHLN - DTW
1 stop19h 42mAlaska Airlines
Deal found 9/13$522
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.
Thu 10/235:12 pmDTW - HLN
1 stop26h 29mAlaska Airlines
Sun 10/266:13 pmHLN - DTW
1 stop19h 42mAlaska Airlines
Deal found 9/13$523

Cheapflights Fare Finder

 
Customize your flight search to find flights from Detroit to Helena 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 Helena that are best for you.

Fly from

Detroit

Fly to

Helena

Route

Depart

Return

Price

DetroitHelena

DTW - HLN

DTWHLN

Detroit Metropolitan Wayne County

Thu 10/23

5:12 pm-5:41 pm

1 stop26h 29m

Helena

Tue 10/28

6:13 pm-3:55 pm

1 stop19h 42m

$462

DetroitHelena

DTW - HLN

DTWHLN

Detroit Metropolitan Wayne County

Thu 10/23

5:12 pm-5:41 pm

1 stop26h 29m

Helena

Sat 11/1

6:13 pm-4:55 pm

1 stop20h 42m

$472

DetroitHelena

DTW - HLN

DTWHLN

Detroit Metropolitan Wayne County

Thu 10/23

5:12 pm-5:41 pm

1 stop26h 29m

Helena

Fri 10/31

6:13 pm-3:55 pm

1 stop19h 42m

$492

DetroitHelena

DTW - HLN

DTWHLN

Detroit Metropolitan Wayne County

Sat 10/18

5:12 pm-5:41 pm

1 stop26h 29m

Helena

Sat 11/1

6:13 pm-4:55 pm

1 stop20h 42m

$503

DetroitHelena

DTW - HLN

DTWHLN

Detroit Metropolitan Wayne County

Wed 10/22

5:12 pm-5:41 pm

1 stop26h 29m

Helena

Sat 11/1

6:13 pm-4:55 pm

1 stop20h 42m

$503

DetroitHelena

DTW - HLN

DTWHLN

Detroit Metropolitan Wayne County

Sat 10/18

5:12 pm-5:41 pm

1 stop26h 29m

Helena

Wed 10/29

6:13 pm-3:55 pm

1 stop19h 42m

$503

DetroitHelena

DTW - HLN

DTWHLN

Detroit Metropolitan Wayne County

Sat 10/18

5:59 pm-10:16 pm

1 stop6h 17m

Helena

Tue 10/28

1:00 pm-1:13 pm

2 stops22h 13m

$515

DetroitHelena

DTW - HLN

DTWHLN

Detroit Metropolitan Wayne County

Thu 10/23

5:12 pm-5:41 pm

1 stop26h 29m

Helena

Sun 10/26

6:13 pm-3:55 pm

1 stop19h 42m

$523

DetroitHelena

DTW - HLN

DTWHLN

Detroit Metropolitan Wayne County

Tue 10/21

9:00 am-2:09 pm

1 stop7h 09m

Helena

Sat 11/1

6:40 am-4:57 pm

2 stops8h 17m

$544

DetroitHelena

DTW - HLN

DTWHLN

Detroit Metropolitan Wayne County

Thu 11/20

12:18 pm-10:37 pm

2 stops12h 19m

Helena

Mon 12/1

1:06 pm-11:59 pm

1 stop8h 53m

$544

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/13

Showing 1-10 of 12 results
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Best time to book a flight from Detroit to Helena

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

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

Currently, February is the cheapest month in which you can book a flight from Detroit to Helena (average of $353). Flying from Detroit to Helena in May is currently the most expensive (average of $517). 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 Helena. 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 Helena?

    A quick flight from Detroit to Helena can take about 26h 29m. Alaska Airlines provides one of the quickest options available for as low as $462. There are 1436 mi between Detroit and Helena.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Detroit to Helena 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 Helena?

    Currently, February is the cheapest month in which you can book a flight from Detroit to Helena (average of $353). Flying from Detroit to Helena in May is currently the most expensive (average of $517). 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 Helena

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