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Cheap flights from Detroit to Helena from $225

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Detroit to Helena departing on 1/30. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
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.
Alaska Airlines Logo
5:15 pm - 6:11 pm
DTW
-
HLN
26h 56m1 stop
Alaska Airlines Logo
6:48 pm - 4:19 pm
HLN
-
DTW
19h 31m1 stop
$353Alaska Airlines
Wed, Jan 28 - Sat, Jan 31
Alaska Airlines Logo
6:35 am - 6:11 pm
DTW
-
HLN
37h 36m2 stops
Alaska Airlines Logo
6:48 pm - 4:19 pm
HLN
-
DTW
19h 31m1 stop
$549Alaska Airlines
Wed, Jan 28 - Sat, Jan 31
Alaska Airlines Logo
6:35 am - 6:11 pm
DTW
-
HLN
37h 36m2 stops
Alaska Airlines Logo
6:48 pm - 4:19 pm
HLN
-
DTW
19h 31m1 stop
$550Alaska Airlines
Wed, Jan 28 - Sat, Jan 31
United Airlines Logo
5:30 am - 1:41 pm
DTW
-
HLN
10h 11m2 stops
United Airlines Logo
6:15 am - 8:26 pm
HLN
-
DTW
12h 11m2 stops
$567United Airlines
Wed, Jan 28 - Sat, Jan 31
United Airlines Logo
9:06 am - 1:45 pm
DTW
-
HLN
6h 39m1 stop
United Airlines Logo
6:10 am - 10:15 pm
HLN
-
DTW
14h 05m1 stop
$745United Airlines
Wed, Dec 31 - Sun, Jan 4
United Airlines Logo
5:49 am - 1:45 pm
DTW
-
HLN
9h 56m2 stops
United Airlines Logo
6:10 am - 10:15 pm
HLN
-
DTW
14h 05m1 stop
$750United Airlines
Wed, Dec 31 - Sun, Jan 4
Alaska Airlines Logo
6:40 am - 5:55 pm
DTW
-
HLN
13h 15m1 stop
Alaska Airlines Logo
6:32 pm - 5:20 am
HLN
-
DTW
8h 48m1 stop
$752Alaska Airlines
Thu, Jan 1 - Mon, Jan 5
United Airlines Logo
11:20 am - 9:31 pm
DTW
-
HLN
12h 11m2 stops
United Airlines Logo
6:10 am - 10:01 am
HLN
-
DTW
25h 51m2 stops
$755United Airlines
Wed, Dec 31 - Sun, Jan 4
United Airlines Logo
5:49 am - 1:45 pm
DTW
-
HLN
9h 56m2 stops
United Airlines Logo
2:26 pm - 10:15 pm
HLN
-
DTW
5h 49m1 stop
$819United Airlines
Thu, Jan 1 - Mon, Jan 5

Alaska Airlines flights from Detroit to Helena

Our best Alaska Airlines deals on Detroit to Helena flight tickets
Alaska Airlines
Jan 28
DTW5:15 pmDetroit Metropolitan Wayne County
26h 56m
1 stop
HLN6:11 pmHelena
Jan 31
HLN6:48 pmHelena
19h 31m
1 stop
DTW4:19 pmDetroit Metropolitan Wayne County
$353
Find similar
Alaska Airlines
Feb 28
DTW5:22 pmDetroit Metropolitan Wayne County
24h 37m
1 stop
HLN3:59 pmHelena
Mar 4
HLN4:36 pmHelena
21h 50m
1 stop
DTW4:26 pmDetroit Metropolitan Wayne County
$418
Find similar
Alaska Airlines
Jan 28
DTW6:35 amDetroit Metropolitan Wayne County
37h 36m
2 stops
HLN6:11 pmHelena
Jan 31
HLN6:48 pmHelena
19h 31m
1 stop
DTW4:19 pmDetroit Metropolitan Wayne County
$549
Find similar

United Airlines flights from Detroit to Helena

Our best United Airlines deals on Detroit to Helena flight tickets
United Airlines
Feb 28
DTW10:28 amDetroit Metropolitan Wayne County
12h 48m
2 stops
HLN9:16 pmHelena
Mar 4
HLN2:25 pmHelena
6h 06m
1 stop
DTW10:31 pmDetroit Metropolitan Wayne County
$562
Find similar
United Airlines
Jan 28
DTW5:30 amDetroit Metropolitan Wayne County
10h 11m
2 stops
HLN1:41 pmHelena
Jan 31
HLN6:15 amHelena
12h 11m
2 stops
DTW8:26 pmDetroit Metropolitan Wayne County
$567
Find similar
United Airlines
Feb 28
DTW10:28 amDetroit Metropolitan Wayne County
12h 48m
2 stops
HLN9:16 pmHelena
Mar 4
HLN2:25 pmHelena
31h 32m
3 stops
DTW11:57 pmDetroit Metropolitan Wayne County
$660
Find similar

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 December 18, 2025.
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 1/28

5:15 pm-6:11 pm

1 stop26h 56m

Helena

Sat 1/31

6:48 pm-4:19 pm

1 stop19h 31m

$353

DetroitHelena

DTW - HLN

DTWHLN

Detroit Metropolitan Wayne County

Wed 1/28

6:35 am-6:11 pm

2 stops37h 36m

Helena

Sat 1/31

6:48 pm-4:19 pm

1 stop19h 31m

$549

DetroitHelena

DTW - HLN

DTWHLN

Detroit Metropolitan Wayne County

Wed 1/28

6:35 am-6:11 pm

2 stops37h 36m

Helena

Sat 1/31

6:48 pm-4:19 pm

1 stop19h 31m

$550

DetroitHelena

DTW - HLN

DTWHLN

Detroit Metropolitan Wayne County

Wed 1/28

5:30 am-1:41 pm

2 stops10h 11m

Helena

Sat 1/31

6:15 am-8:26 pm

2 stops12h 11m

$567

DetroitHelena

DTW - HLN

DTWHLN

Detroit Metropolitan Wayne County

Wed 12/31

9:06 am-1:45 pm

1 stop6h 39m

Helena

Sun 1/4

6:10 am-10:15 pm

1 stop14h 05m

$745

DetroitHelena

DTW - HLN

DTWHLN

Detroit Metropolitan Wayne County

Wed 12/31

5:49 am-1:45 pm

2 stops9h 56m

Helena

Sun 1/4

6:10 am-10:15 pm

1 stop14h 05m

$750

DetroitHelena

DTW - HLN

DTWHLN

Detroit Metropolitan Wayne County

Thu 1/1

6:40 am-5:55 pm

1 stop13h 15m

Helena

Mon 1/5

6:32 pm-5:20 am

1 stop8h 48m

$752

DetroitHelena

DTW - HLN

DTWHLN

Detroit Metropolitan Wayne County

Wed 12/31

11:20 am-9:31 pm

2 stops12h 11m

Helena

Sun 1/4

6:10 am-10:01 am

2 stops25h 51m

$755

DetroitHelena

DTW - HLN

DTWHLN

Detroit Metropolitan Wayne County

Thu 1/1

5:49 am-1:45 pm

2 stops9h 56m

Helena

Mon 1/5

2:26 pm-10:15 pm

1 stop5h 49m

$819

DetroitHelena

DTW - HLN

DTWHLN

Detroit Metropolitan Wayne County

Fri 1/30

5:15 pm-6:11 pm

1 stop26h 56m

$225

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 day to depart on your flight to Helena?

The cheapest day to depart from Detroit to Helena is on a Sunday. Travelers who choose to depart for Helena on a Sunday will often find tickets for as low as $487. The most expensive day to fly to Helena is Saturday, with ticket prices averaging around $828.

What is the cheapest time of day to depart on your flight to Helena?

According to our data, the cheapest time of day to fly to Helena is in the afternoon. momondo users have found flights departing from Detroit to Helena in the afternoon for as low as $647. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In contrast, the most expensive time of day to depart to Helena is in the morning when prices are around $697.

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 39m

Direct flights

None
The fastest flight from Detroit to Helena takes 6h 39m
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 39m.

  • 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.

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