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Helena

$359+ 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 8/4. Fares are subject to change and may not be available on all flights or dates of travel.
DTT — HLN
Aug 5 — Aug 121
Tue 8/5
Tue 8/12
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 July 31, 2025.

Round-trip from

$441
(United Airlines)

One-way from

$359
(Alaska Airlines)
From Detroit (DTT) to Helena
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One-way flight 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 July 31, 2025.

This United Airlines deal was found by Cheapflights users on 7/30. 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 8/279:01 amDTW - HLN
1 stop6h 29mUnited Airlines
Wed 9/36:30 amHLN - DTW
1 stop6h 34mUnited Airlines
Deal found 7/30$441
This Delta deal was found by Cheapflights users on 7/30. 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 - HLN
1 stop6h 02mDelta
Sat 9/201:00 pmHLN - DTW
1 stop8h 12mDelta
Deal found 7/30$457
This Alaska Airlines deal was found by Cheapflights users on 7/30. 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.
Wed 9/34:51 pmDTW - HLN
1 stop24h 30mAlaska Airlines
Wed 9/104:02 pmHLN - DTW
1 stop11h 05mAlaska Airlines
Deal found 7/30$514

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 July 31, 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

Wed 8/27

9:01 am-1:30 pm

1 stop6h 29m

Helena

Wed 9/3

6:30 am-3:04 pm

1 stop6h 34m

$441

DetroitHelena

DTW - HLN

DTWHLN

Detroit Metropolitan Wayne County

Tue 9/16

8:18 am-12:20 pm

1 stop6h 02m

Helena

Sat 9/20

1:00 pm-11:12 pm

1 stop8h 12m

$457

DetroitHelena

DTW - HLN

DTWHLN

Detroit Metropolitan Wayne County

Wed 9/3

4:51 pm-3:21 pm

1 stop24h 30m

Helena

Wed 9/10

4:02 pm-5:07 am

1 stop11h 05m

$514

DetroitHelena

DTW - HLN

DTWHLN

Detroit Metropolitan Wayne County

Mon 8/4

7:00 am-3:31 pm

1 stop10h 31m

$359

DetroitHelena

DTW - HLN

DTWHLN

Detroit Metropolitan Wayne County

Fri 8/15

8:20 am-12:20 pm

1 stop6h 00m

$363

DetroitHelena

DTW - HLN

DTWHLN

Detroit Metropolitan Wayne County

Fri 8/15

8:20 am-1:58 pm

2 stops31h 38m

$503

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/31

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.

Reviews of airlines servicing Helena

Get insights into the airlines that provide service to Helena. 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 Helena. Reviews last updated July 31, 2025.
Read through reviews of airlines operating flights from Detroit to Helena, such as Alaska Airlines, Delta, and United 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

Crew

8.5

Food

7.1

Overall

8.0

Boarding

8.1

Entertainment

7.1

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

Crew

8.5

Food

7.1

Overall

8.0

Boarding

8.1

Entertainment

7.1

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

Crew

8.5

Food

7.1

Overall

8.0

Boarding

8.1

Entertainment

7.1

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

Crew

8.5

Food

7.1

Overall

8.0

Boarding

8.1

Entertainment

7.1

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 Helena. 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 Helena round-trip?

    Our cheapest airline available from Detroit to Helena is United Airlines. Our recent data shows that you can find tickets from as low as $441 on this airline. Additional options worth looking into are Delta and Alaska Airlines, starting at $457 and $514 round-trip.

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

    One-way options have recently been found by users for as low as $359 on Alaska Airlines. Other airlines that offer cheap prices include Delta from $363 and United Airlines from $503 one-way.

  • 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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