$187 Cheap Flights from Detroit (DTW) to Helena (HLN)

View $187 flight on Wed, Dec 3, 2025Opens in a new window

Popular airlines from Detroit Metropolitan Wayne County Airport (DTW) to Helena, MT (HLN-Helena Regional)

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Cheap Flights from Detroit to Helena (DTW-HLN)

Prices were available within the past 7 days and start at $187 for one-way flights and $334 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Mon, Dec 8 - Sat, Dec 13
DTW
Detroit
HLN
Helena
$334 Roundtrip, found 1 day ago
$334
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Mon, Dec 8 from Detroit to Helena, returning Sat, Dec 13, priced at $334 found 1 day ago
Hawaiian Airlines
Tue, Jan 20 - Tue, Feb 3
DTW
Detroit
HLN
Helena
$362 Roundtrip, found 3 days ago
$362
Roundtrip
found 3 days ago
Select Hawaiian Airlines flight, departing Tue, Jan 20 from Detroit to Helena, returning Tue, Feb 3, priced at $362 found 3 days ago
Hawaiian Airlines
Tue, Jan 20 - Sat, Jan 31
DTW
Detroit
HLN
Helena
$372 Roundtrip, found 3 days ago
$372
Roundtrip
found 3 days ago
Select Hawaiian Airlines flight, departing Tue, Jan 20 from Detroit to Helena, returning Sat, Jan 31, priced at $372 found 3 days ago
Hawaiian Airlines
Tue, Jan 20 - Fri, Jan 30
DTW
Detroit
HLN
Helena
$382 Roundtrip, found 3 days ago
$382
Roundtrip
found 3 days ago
Select Hawaiian Airlines flight, departing Tue, Jan 20 from Detroit to Helena, returning Fri, Jan 30, priced at $382 found 3 days ago
Hawaiian Airlines
Tue, Jan 20 - Sun, Feb 1
DTW
Detroit
HLN
Helena
$392 Roundtrip, found 3 days ago
$392
Roundtrip
found 3 days ago
Select Hawaiian Airlines flight, departing Tue, Jan 20 from Detroit to Helena, returning Sun, Feb 1, priced at $392 found 3 days ago
Hawaiian Airlines
Fri, Jan 16 - Fri, Jan 30
DTW
Detroit
HLN
Helena
$412 Roundtrip, found 3 days ago
$412
Roundtrip
found 3 days ago
Select Hawaiian Airlines flight, departing Fri, Jan 16 from Detroit to Helena, returning Fri, Jan 30, priced at $412 found 3 days ago
Delta
Wed, Dec 3 - Tue, Dec 16
DTW
Detroit
HLN
Helena
$415 Roundtrip, found 3 days ago
$415
Roundtrip
found 3 days ago
Select Delta flight, departing Wed, Dec 3 from Detroit to Helena, returning Tue, Dec 16, priced at $415 found 3 days ago
Hawaiian Airlines
Fri, Jan 16 - Sun, Feb 1
DTW
Detroit
HLN
Helena
$422 Roundtrip, found 3 days ago
$422
Roundtrip
found 3 days ago
Select Hawaiian Airlines flight, departing Fri, Jan 16 from Detroit to Helena, returning Sun, Feb 1, priced at $422 found 3 days ago
Hawaiian Airlines
Tue, Feb 3 - Thu, Feb 19
DTW
Detroit
HLN
Helena
$423 Roundtrip, found 3 days ago
$423
Roundtrip
found 3 days ago
Select Hawaiian Airlines flight, departing Tue, Feb 3 from Detroit to Helena, returning Thu, Feb 19, priced at $423 found 3 days ago
United
Fri, Feb 6 - Sat, Feb 14
DTW
Detroit
HLN
Helena
$745 Roundtrip, found 13 hours ago
$745
Roundtrip
found 13 hours ago
Select United flight, departing Fri, Feb 6 from Detroit to Helena, returning Sat, Feb 14, priced at $745 found 13 hours ago

Find the cheapest month to fly from Detroit (DTW) to Helena (HLN)

November is typically the cheapest month to fly

From $304 - $1,230 per traveler.

Alternative airports near Helena

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Helena Regional HLN. Cheapest and Closest option available. Average driving time to city center is 7 minutes. Flights from $466
HLN
Helena Regional
CheapestClosest
Average driving time to city center7 min
Flights from $466
Flights from Detroit (DTW) to Helena (HLN)
Origin airport
Detroit Metropolitan Wayne County
Destination airport
Helena Regional
Airlines serving
Alaska Airlines, Delta, United
Roundtrip price
$334
Distance
1437 mi

Detroit to Helena Flights

The cheapest times to fly from Detroit to Helena

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Detroit to Helena are during the month of December. You can find some of the cheapest flights from Detroit to Helena with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Detroit to Helena

Sunday is one of the best days to book for cheap flights from Detroit to Helena: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Detroit to Helena

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Detroit to Helena in 2025. You can also book with separate airlines for your outbound and return journeys, from $187 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Detroit to Helena flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Detroit to Helena airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Detroit Metropolitan Wayne County Airport (DTW) to Helena Regional Airport (HLN) cost?
Lock in a cheap one-way flight from $187 or cheap return flight from $334 from Detroit Metropolitan Wayne County Airport (DTW) to Helena Regional Airport (HLN) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Detroit Metropolitan Wayne County Airport (DTW) to Helena Regional Airport (HLN)?
Flying in December may help you find better deals, as it's the cheapest month for flights between DTW and HLN. You'll typically find the lowest fares during off-peak months.
What is the cheapest airline that flies from Detroit Metropolitan Wayne County Airport (DTW) to Helena Regional Airport (HLN)?
Use the filters on Expedia to compare different airlines and find the cheapest carrier that'll take you from DTW to HLN. Then, sort your results by "Price (lowest to highest)" to score the best deal available.
How many flights per day from Detroit Metropolitan Wayne County Airport (DTW) to Helena Regional Airport (HLN)?
You'll need to hop on a flight with a layover if you're traveling from Detroit Metropolitan Wayne County Airport (DTW) to Helena Regional Airport (HLN). Direct flights don't operate daily on this route. However, just filter your search to include one or more stops to discover an option that works for you.
What day of the week has the most flights from DTW to HLN?
Friday is typically the busiest day for flights, while Tuesday is often the quietest.* Just remember that flight schedules can change depending on a range of factors, including the time of year and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Detroit Metropolitan Wayne County Airport (DTW) to Helena Regional Airport (HLN)?
To land at Helena Regional Airport (HLN) without delays, opt for a flight that takes off from Detroit Metropolitan Wayne County Airport (DTW) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this time.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Detroit Metropolitan Wayne County Airport (DTW) to Helena Regional Airport (HLN) last-minute?
Holding off until right before your break to book a flight from DTW to HLN often results in higher prices. Although you may find some last-minute deals, they're not always guaranteed. Be flexible with your travel plans for the best chance of scoring a bargain.
Is it cheaper to book a DTW to HLN flight and hotel package?
Compared with arranging flights and hotels separately, booking a DTW to HLN flight and hotel package with Expedia could result in significant savings. Better yet, having it all in one place will take the stress out of travel planning. Simply secure your flights and select from our wide range of stays, then customize your trip with extras like car rentals and activities.
Can I cancel or change the date of my flight from Detroit Metropolitan Wayne County Airport (DTW) to Helena Regional Airport (HLN)?
It's usually possible to cancel or reschedule your DTW to HLN flight. However, if the booking was made more than 24 hours ago, additional charges may apply. Check your airline's policies in your itinerary to see what changes are possible and if any costs are involved. You'll also find more details on our Customer Service portal.

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*Available to One Key members.