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Helena

$304+ Cheap flights from Detroit to Helena (DTT - HLN)

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 3/13. Fares are subject to change and may not be available on all flights or dates of travel.
DTT — HLN
Mar 15 — Mar 221
Sun 3/15
Sun 3/22
1 adult, Economy
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Cheap 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 February 13, 2026.

This Alaska Airlines deal was found by Cheapflights users on 2/11. 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 3/244:52 pm
DTW
-
HLN
1 stop26h 53m
Alaska Airlines
Sun 3/296:22 pm
HLN
-
DTW
1 stop19h 34m
Alaska Airlines
Deal found 2/11$399
This United Airlines deal was found by Cheapflights users on 2/10. 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.
Wed 2/254:43 pm
DTW
-
HLN
1 stop6h 33m
United Airlines
Sun 3/12:25 pm
HLN
-
DTW
1 stop6h 06m
United Airlines
Deal found 2/10$484
This Alaska Airlines deal was found by Cheapflights users on 2/10. 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 7/166:23 pm
DTW
-
HLN
1 stop23h 59m
Alaska Airlines
Mon 7/204:59 pm
HLN
-
DTW
1 stop10h 22m
Alaska Airlines
Deal found 2/10$513
This Alaska Airlines deal was found by Cheapflights users on 2/12. 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 3/135:22 pm
DTW
-
HLN
1 stop24h 37m
Alaska Airlines
Mon 3/164:36 pm
HLN
-
DTW
1 stop21h 50m
Alaska Airlines
Deal found 2/12$518
This United Airlines deal was found by Cheapflights users on 2/10. 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 2/284:43 pm
DTW
-
HLN
1 stop6h 33m
United Airlines
Wed 3/42:25 pm
HLN
-
DTW
1 stop6h 06m
United Airlines
Deal found 2/10$544
This Delta deal was found by Cheapflights users on 2/10. 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 2/268:00 am
DTW
-
HLN
1 stop6h 25m
Delta
Mon 3/21:10 pm
HLN
-
DTW
1 stop8h 59m
Delta
Deal found 2/10$549
This United Airlines deal was found by Cheapflights users on 2/11. 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.
Thu 2/2610:28 am
DTW
-
HLN
2 stops12h 48m
United Airlines
Mon 3/22:25 pm
HLN
-
DTW
1 stop6h 06m
United Airlines
Deal found 2/11$554

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 February 13, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$399
(Orbitz)

One-way from

$304
(United 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
Search Deals
One-way flight 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 February 13, 2026.
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

Tue 3/24

4:52 pm-5:45 pm

1 stop26h 53m

Helena

Sun 3/29

6:22 pm-3:56 pm

1 stop19h 34m

$399

DetroitHelena

DTW - HLN

DTWHLN

Detroit Metropolitan Wayne County

Wed 2/25

4:43 pm-9:16 pm

1 stop6h 33m

Helena

Sun 3/1

2:25 pm-10:31 pm

1 stop6h 06m

$484

DetroitHelena

DTW - HLN

DTWHLN

Detroit Metropolitan Wayne County

Fri 3/13

10:28 am-9:25 pm

2 stops12h 57m

Helena

Mon 3/16

2:30 pm-10:25 pm

1 stop5h 55m

$489

DetroitHelena

DTW - HLN

DTWHLN

Detroit Metropolitan Wayne County

Fri 3/13

5:22 pm-3:59 pm

1 stop24h 37m

Helena

Mon 3/16

4:36 pm-4:26 pm

1 stop21h 50m

$518

DetroitHelena

DTW - HLN

DTWHLN

Detroit Metropolitan Wayne County

Sat 2/28

4:43 pm-9:16 pm

1 stop6h 33m

Helena

Wed 3/4

2:25 pm-10:31 pm

1 stop6h 06m

$544

DetroitHelena

DTW - HLN

DTWHLN

Detroit Metropolitan Wayne County

Thu 2/26

8:00 am-12:25 pm

1 stop6h 25m

Helena

Mon 3/2

1:10 pm-12:09 am

1 stop8h 59m

$549

DetroitHelena

DTW - HLN

DTWHLN

Detroit Metropolitan Wayne County

Thu 2/26

9:00 am-1:40 pm

1 stop6h 40m

Helena

Mon 3/2

2:25 pm-10:31 pm

1 stop6h 06m

$549

DetroitHelena

DTW - HLN

DTWHLN

Detroit Metropolitan Wayne County

Fri 3/13

3:25 pm-9:25 pm

1 stop8h 00m

$304

DetroitHelena

DTW - HLN

DTWHLN

Detroit Metropolitan Wayne County

Sun 3/15

5:22 pm-3:59 pm

1 stop24h 37m

$332

DetroitHelena

DTW - HLN

DTWHLN

Detroit Metropolitan Wayne County

Sun 3/15

5:45 am-1:38 pm

2 stops9h 53m

$349

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/11

Showing 1-10 of 11 results
1
2
  • Most accurate provider: When it comes to deals on Detroit-Helena flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Detroit-Helena flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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, February is the cheapest month in which you can book a flight from Detroit to Helena (average of $143). Flying from Detroit to Helena in December is currently the most expensive (average of $362). 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 6h 33m. Alaska Airlines provides one of the quickest options available for as low as $484. 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, February is the cheapest month in which you can book a flight from Detroit to Helena (average of $143). Flying from Detroit to Helena in December is currently the most expensive (average of $362). 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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Top airline flying from Detroit to Helena

Discover the top airline that operate flights from Detroit to Helena. 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 February 13, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$428Average$671FlexibilityNo cancel feeOn-time69%

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