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$418+ 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 2/28. Fares are subject to change and may not be available on all flights or dates of travel.
DTT — HLN
Jan 22 — Jan 291
Thu 1/22
Thu 1/29
1 adult, Economy
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Cheap flight deals from Detroit to Helena

Best flights from Detroit to Helena
Discover carefully curated flight deals from Detroit to Helena that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 23, 2025.

This Alaska Airlines deal was found by Cheapflights users on 12/20. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/285:22 pmDTW - HLN
1 stop24h 37mAlaska Airlines
Wed 3/44:36 pmHLN - DTW
1 stop21h 50mAlaska Airlines
Deal found 12/20$418
This United Airlines deal was found by Cheapflights users on 12/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/2810:28 amDTW - HLN
2 stops12h 48mUnited Airlines
Wed 3/42:25 pmHLN - DTW
1 stop6h 06mUnited Airlines
Deal found 12/20$562
This Alaska Airlines deal was found by Cheapflights users on 12/21. 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.
Mon 1/265:15 pmDTW - HLN
1 stop26h 56mAlaska Airlines
Wed 1/286:48 pmHLN - DTW
1 stop19h 31mAlaska Airlines
Deal found 12/21$478
This United Airlines deal was found by Cheapflights users on 12/22. 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 1/67:15 amDTW - HLN
2 stops8h 26mUnited Airlines
Sat 1/106:15 amHLN - DTW
2 stops11h 21mUnited Airlines
Deal found 12/22$579
This Alaska Airlines deal was found by Cheapflights users on 12/22. 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 1/66:40 amDTW - HLN
1 stop13h 15mAlaska Airlines
Sat 1/106:48 pmHLN - DTW
1 stop19h 31mAlaska Airlines
Deal found 12/22$568
This United Airlines deal was found by Cheapflights users on 12/21. 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.
Mon 1/269:00 amDTW - HLN
1 stop6h 41mUnited Airlines
Wed 1/286:15 amHLN - DTW
2 stops12h 11mUnited Airlines
Deal found 12/21$612
This Alaska Airlines deal was found by Cheapflights users on 12/21. 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.
Mon 1/54:52 pmDTW - HLN
1 stop27h 03mAlaska Airlines
Fri 1/96:48 pmHLN - DTW
1 stop19h 31mAlaska Airlines
Deal found 12/21$744

Find 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 December 23, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$418
(Alaska Airlines)
Provider with most accurate pricing for Detroit (DTT)-Helena flight deals.
Search Deals
Provider most trusted by Cheapflights users for Detroit (DTT)-Helena flights.
Search Deals
From Detroit (DTT) to Helena
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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 December 23, 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

Sat 2/28

5:22 pm-3:59 pm

1 stop24h 37m

Helena

Wed 3/4

4:36 pm-4:26 pm

1 stop21h 50m

$418

DetroitHelena

DTW - HLN

DTWHLN

Detroit Metropolitan Wayne County

Mon 1/26

5:15 pm-6:11 pm

1 stop26h 56m

Helena

Wed 1/28

6:48 pm-4:19 pm

1 stop19h 31m

$478

DetroitHelena

DTW - HLN

DTWHLN

Detroit Metropolitan Wayne County

Sat 2/28

10:28 am-9:16 pm

2 stops12h 48m

Helena

Wed 3/4

2:25 pm-10:31 pm

1 stop6h 06m

$562

DetroitHelena

DTW - HLN

DTWHLN

Detroit Metropolitan Wayne County

Tue 1/6

6:40 am-5:55 pm

1 stop13h 15m

Helena

Sat 1/10

6:48 pm-4:19 pm

1 stop19h 31m

$568

DetroitHelena

DTW - HLN

DTWHLN

Detroit Metropolitan Wayne County

Tue 1/6

7:15 am-1:41 pm

2 stops8h 26m

Helena

Sat 1/10

6:15 am-7:36 pm

2 stops11h 21m

$579

DetroitHelena

DTW - HLN

DTWHLN

Detroit Metropolitan Wayne County

Mon 1/26

9:00 am-1:41 pm

1 stop6h 41m

Helena

Wed 1/28

6:15 am-8:26 pm

2 stops12h 11m

$612

DetroitHelena

DTW - HLN

DTWHLN

Detroit Metropolitan Wayne County

Mon 1/5

4:52 pm-5:55 pm

1 stop27h 03m

Helena

Fri 1/9

6:48 pm-4:19 pm

1 stop19h 31m

$744

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/20

Compare providers for flights from Detroit to Helena

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Detroit to Helena in December.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Detroit-Helena flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Detroit-Helena flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Detroit-Helena flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Detroit-Helena flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Detroit-Helena flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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, November is the cheapest month in which you can book a flight from Detroit to Helena (average of $166). Flying from Detroit to Helena in December is currently the most expensive (average of $389). 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 12h 48m. Alaska Airlines provides one of the quickest options available for as low as $562. There are 1436 mi between Detroit and Helena. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • 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, November is the cheapest month in which you can book a flight from Detroit to Helena (average of $166). Flying from Detroit to Helena in December is currently the most expensive (average of $389). 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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