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Cheap flights from Detroit to Helena from $289

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Detroit to Helena departing on 2/25. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Detroit to Helena

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
8:00 am - 12:25 pm
DTW
-
HLN
6h 25m
1 stop
Delta Logo
1:10 pm - 12:09 am
HLN
-
DTW
8h 59m
1 stop
$289Delta
Wed, Feb 25 - Wed, Mar 4
United Airlines Logo
9:00 am - 9:16 pm
DTW
-
HLN
14h 16m
2 stops
United Airlines Logo
2:25 pm - 10:31 pm
HLN
-
DTW
6h 06m
1 stop
$311United Airlines
Wed, Feb 25 - Wed, Mar 4
United Airlines Logo
9:00 am - 9:16 pm
DTW
-
HLN
14h 16m
2 stops
United Airlines Logo
6:15 am - 8:22 pm
HLN
-
DTW
12h 07m
2 stops
$339United Airlines
Wed, Feb 25 - Wed, Mar 4
Delta Logo
8:00 am - 12:25 pm
DTW
-
HLN
6h 25m
1 stop
Delta Logo
1:10 pm - 12:09 am
HLN
-
DTW
8h 59m
1 stop
$344Delta
Thu, Feb 26 - Thu, Mar 5
United Airlines Logo
6:00 am - 1:40 pm
DTW
-
HLN
9h 40m
2 stops
United Airlines Logo
2:25 pm - 10:31 pm
HLN
-
DTW
6h 06m
1 stop
$409United Airlines
Thu, Feb 12 - Tue, Feb 17
United Airlines Logo
3:29 pm - 9:33 pm
DTW
-
HLN
8h 04m
1 stop
United Airlines Logo
2:25 pm - 10:52 pm
HLN
-
DTW
6h 27m
1 stop
$438United Airlines
Wed, Apr 1 - Sun, Apr 5
United Airlines Logo
6:00 am - 1:40 pm
DTW
-
HLN
9h 40m
2 stops
United Airlines Logo
2:30 pm - 10:25 pm
HLN
-
DTW
5h 55m
1 stop
$448United Airlines
Thu, Feb 26 - Thu, Mar 5
Delta Logo
8:00 am - 12:25 pm
DTW
-
HLN
6h 25m
1 stop
Delta Logo
1:10 pm - 12:09 am
HLN
-
DTW
8h 59m
1 stop
$449Delta
Thu, Feb 12 - Tue, Feb 17
United Airlines Logo
3:33 pm - 9:05 pm
DTW
-
HLN
7h 32m
1 stop
United Airlines Logo
2:20 pm - 10:41 pm
HLN
-
DTW
6h 21m
1 stop
$453United Airlines
Sat, Jun 13 - Sat, Jun 20
United Airlines Logo
4:43 pm - 9:16 pm
DTW
-
HLN
6h 33m
1 stop
United Airlines Logo
2:25 pm - 10:31 pm
HLN
-
DTW
6h 06m
1 stop
$454United Airlines
Fri, Feb 13 - Tue, Feb 17

Delta flights from Detroit to Helena

Our best Delta deals on Detroit to Helena flight tickets
Delta
Feb 25
DTW8:00 amDetroit Metropolitan Wayne County
6h 25m
1 stop
HLN12:25 pmHelena
Mar 4
HLN1:10 pmHelena
8h 59m
1 stop
DTW12:09 amDetroit Metropolitan Wayne County
$289
Delta
Feb 26
DTW8:00 amDetroit Metropolitan Wayne County
6h 25m
1 stop
HLN12:25 pmHelena
Mar 5
HLN1:10 pmHelena
8h 59m
1 stop
DTW12:09 amDetroit Metropolitan Wayne County
$344
Delta
Feb 12
DTW8:00 amDetroit Metropolitan Wayne County
6h 25m
1 stop
HLN12:25 pmHelena
Feb 17
HLN1:10 pmHelena
8h 59m
1 stop
DTW12:09 amDetroit Metropolitan Wayne County
$449

Alaska Airlines flights from Detroit to Helena

Our best Alaska Airlines deals on Detroit to Helena flight tickets
Alaska Airlines
Feb 26
DTW5:45 amDetroit Metropolitan Wayne County
12h 14m
2 stops
HLN3:59 pmHelena
Mar 5
HLN4:36 pmHelena
22h 14m
2 stops
DTW4:50 pmDetroit Metropolitan Wayne County
$459
Alaska Airlines
Jun 12
DTW7:00 amDetroit Metropolitan Wayne County
11h 22m
1 stop
HLN4:22 pmHelena
Jun 19
HLN4:59 pmHelena
10h 22m
1 stop
DTW5:21 amDetroit Metropolitan Wayne County
$514
Alaska Airlines
Jul 16
DTW6:23 pmDetroit Metropolitan Wayne County
23h 59m
1 stop
HLN4:22 pmHelena
Jul 20
HLN4:59 pmHelena
10h 22m
1 stop
DTW5:21 amDetroit Metropolitan Wayne County
$559

momondo 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, momondo users made 832,500 searches. Data last updated January 29, 2026.
Use the filters below to find and compare flights from Detroit to Helena that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

DetroitHelena

DTW - HLN

DTWHLN

Detroit Metropolitan Wayne County

Wed 2/25

8:00 am-12:25 pm

1 stop6h 25m

Helena

Wed 3/4

1:10 pm-12:09 am

1 stop8h 59m

$289

DetroitHelena

DTW - HLN

DTWHLN

Detroit Metropolitan Wayne County

Wed 2/25

9:00 am-9:16 pm

2 stops14h 16m

Helena

Wed 3/4

2:25 pm-10:31 pm

1 stop6h 06m

$311

DetroitHelena

DTW - HLN

DTWHLN

Detroit Metropolitan Wayne County

Wed 2/25

9:00 am-9:16 pm

2 stops14h 16m

Helena

Wed 3/4

6:15 am-8:22 pm

2 stops12h 07m

$339

DetroitHelena

DTW - HLN

DTWHLN

Detroit Metropolitan Wayne County

Thu 2/26

8:00 am-12:25 pm

1 stop6h 25m

Helena

Thu 3/5

1:10 pm-12:09 am

1 stop8h 59m

$344

DetroitHelena

DTW - HLN

DTWHLN

Detroit Metropolitan Wayne County

Thu 2/12

6:00 am-1:40 pm

2 stops9h 40m

Helena

Tue 2/17

2:25 pm-10:31 pm

1 stop6h 06m

$409

DetroitHelena

DTW - HLN

DTWHLN

Detroit Metropolitan Wayne County

Wed 4/1

3:29 pm-9:33 pm

1 stop8h 04m

Helena

Sun 4/5

2:25 pm-10:52 pm

1 stop6h 27m

$438

DetroitHelena

DTW - HLN

DTWHLN

Detroit Metropolitan Wayne County

Thu 2/26

6:00 am-1:40 pm

2 stops9h 40m

Helena

Thu 3/5

2:30 pm-10:25 pm

1 stop5h 55m

$448

DetroitHelena

DTW - HLN

DTWHLN

Detroit Metropolitan Wayne County

Thu 2/12

8:00 am-12:25 pm

1 stop6h 25m

Helena

Tue 2/17

1:10 pm-12:09 am

1 stop8h 59m

$449

DetroitHelena

DTW - HLN

DTWHLN

Detroit Metropolitan Wayne County

Sat 6/13

3:33 pm-9:05 pm

1 stop7h 32m

Helena

Sat 6/20

2:20 pm-10:41 pm

1 stop6h 21m

$453

DetroitHelena

DTW - HLN

DTWHLN

Detroit Metropolitan Wayne County

Fri 2/13

4:43 pm-9:16 pm

1 stop6h 33m

Helena

Tue 2/17

2:25 pm-10:31 pm

1 stop6h 06m

$454

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 resultsSorted by cheapest first
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See travel insights to Helena from

How to get the cheapest flight ticket from Detroit to Helena

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Detroit to Helena?

United Airlines is the most popular carrier operating from Detroit to Helena

What airlines fly to Helena?

Delta, United Airlines and American Airlines are the top three most popular airlines that fly to Helena from Detroit according to our data. Delta is the first choice among our users, with 49% of people opting to fly with this airline when traveling to Helena. Keep in mind that there are 5 different airlines that fly to Helena on a routine basis, so you have a few additional options to choose from.

When to book flights from Detroit to Helena

Are you open to changing your travel dates? Check out the ideal times to fly from Detroit to Helena according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Detroit to Helena (DTT to HLN) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Detroit to Helena

Fastest flight time

6h 04m

Direct flights

None
The fastest flight from Detroit to Helena takes 6h 04m
There are no direct flights from Detroit to Helena. There are no popular flight routes from Detroit to Helena.
Search flight deals

  • How far is Detroit to Helena by plane?

    Helena is 1449.5 mi away from Detroit. In terms of flight time, this usually takes a little over 6h 04m.

  • When did momondo last update prices for flights from Detroit to Helena Airport?

    Prices for flights from Detroit to Helena Airport were last updated today.

  • How old do you have to be to fly from Detroit to Helena Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Detroit to Helena Airport.

  • What documentation or ID do you need to fly to Helena Airport?

    The necessary travel and health documents for your Helena Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Why use momondo?

Why should I use momondo to find a flight deal from Detroit to Helena?

It is quick and easy to find Detroit to Helena flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Helena that suits you.

Can I find flights from Detroit to Helena with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Detroit to Helena flights to just show those with flexible booking policies.

How can momondo help me find flights from Detroit to Helena?

Once you have performed a search for Detroit to Helena flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Detroit to Helena right now. Can momondo alert me if prices change?

Price alerts on flights to Helena from Detroit are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your Helena trip

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Sat 2/28
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