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Cheap flights from Detroit to Helena from $513

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 11/20. 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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Find the cheapest flights from Detroit to Helena

Cheap round-trip flights

Delta Logo
8:03 am - 12:26 pmDTW-HLN
6h 23m1 stop
Delta Logo
1:06 pm - 11:59 pmHLN-DTW
8h 53m1 stop
$513Delta
Find Deal
Thu, Nov 20 - Mon, Dec 1
Delta Logo
10:31 am - 10:37 pmDTW-HLN
14h 06m2 stops
Delta Logo
1:06 pm - 11:59 pmHLN-DTW
8h 53m1 stop
$604Delta
Find Deal
Thu, Nov 20 - Mon, Dec 1
Delta Logo
12:30 pm - 10:50 pmDTW-HLN
12h 20m2 stops
Delta Logo
1:06 pm - 12:15 amHLN-DTW
9h 09m1 stop
$606Delta
Find Deal
Sun, Dec 21 - Sun, Dec 28
Delta Logo
12:30 pm - 10:50 pmDTW-HLN
12h 20m2 stops
Delta Logo
1:06 pm - 11:16 pmHLN-DTW
8h 10m2 stops
$611Delta
Find Deal
Sun, Dec 21 - Sun, Dec 28
Alaska Airlines Logo
6:40 am - 5:55 pmDTW-HLN
13h 15m1 stop
Alaska Airlines Logo
6:32 pm - 5:20 amHLN-DTW
8h 48m1 stop
$664Alaska Airlines
Find Deal
Sun, Dec 21 - Sun, Dec 28
Delta Logo
8:01 am - 10:50 pmDTW-HLN
16h 49m1 stop
Delta Logo
1:06 pm - 12:15 amHLN-DTW
9h 09m1 stop
$677Delta
Find Deal
Sat, Dec 20 - Sat, Dec 27
Delta Logo
8:01 am - 10:50 pmDTW-HLN
16h 49m1 stop
Delta Logo
1:06 pm - 11:16 pmHLN-DTW
8h 10m2 stops
$682Delta
Find Deal
Sat, Dec 20 - Sun, Dec 28
Alaska Airlines Logo
6:40 am - 5:55 pmDTW-HLN
13h 15m1 stop
Alaska Airlines Logo
6:32 pm - 5:20 amHLN-DTW
8h 48m1 stop
$694Alaska Airlines
Find Deal
Sun, Dec 21 - Sat, Dec 27
Alaska Airlines Logo
5:33 am - 5:36 pmDTW-HLN
14h 03m2 stops
Alaska Airlines Logo
7:32 pm - 6:43 pmHLN-DTW
21h 11m2 stops
$705Alaska Airlines
Find Deal
Thu, Nov 20 - Mon, Dec 1
United Airlines Logo
7:15 am - 1:45 pmDTW-HLN
8h 30m2 stops
United Airlines Logo
2:26 pm - 10:15 pmHLN-DTW
5h 49m1 stop
$737United Airlines
Find Deal
Sun, Dec 21 - Fri, Dec 26

Alaska Airlines flights from Detroit to Helena

Our best Alaska Airlines deals on Detroit to Helena flight tickets
Alaska Airlines
Dec 21
DTW6:40 amDetroit Metropolitan Wayne County
13h 15m
1 stop
HLN5:55 pmHelena
Dec 28
HLN6:32 pmHelena
8h 48m
1 stop
DTW5:20 amDetroit Metropolitan Wayne County
$664
Find similar
Alaska Airlines
Dec 21
DTW6:40 amDetroit Metropolitan Wayne County
13h 15m
1 stop
HLN5:55 pmHelena
Dec 27
HLN6:32 pmHelena
8h 48m
1 stop
DTW5:20 amDetroit Metropolitan Wayne County
$694
Find similar
Alaska Airlines
Nov 20
DTW5:33 amDetroit Metropolitan Wayne County
14h 03m
2 stops
HLN5:36 pmHelena
Dec 1
HLN7:32 pmHelena
21h 11m
2 stops
DTW6:43 pmDetroit Metropolitan Wayne County
$705
Find similar

Delta flights from Detroit to Helena

Our best Delta deals on Detroit to Helena flight tickets
Delta
Nov 20
DTW8:03 amDetroit Metropolitan Wayne County
6h 23m
1 stop
HLN12:26 pmHelena
Dec 1
HLN1:06 pmHelena
8h 53m
1 stop
DTW11:59 pmDetroit Metropolitan Wayne County
$513
Find similar
Delta
Nov 20
DTW10:31 amDetroit Metropolitan Wayne County
14h 06m
2 stops
HLN10:37 pmHelena
Dec 1
HLN1:06 pmHelena
8h 53m
1 stop
DTW11:59 pmDetroit Metropolitan Wayne County
$604
Find similar
Delta
Dec 21
DTW12:30 pmDetroit Metropolitan Wayne County
12h 20m
2 stops
HLN10:50 pmHelena
Dec 28
HLN1:06 pmHelena
9h 09m
1 stop
DTW12:15 amDetroit Metropolitan Wayne County
$606
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 September 16, 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

Thu 11/20

8:03 am-12:26 pm

1 stop6h 23m

Helena

Mon 12/1

1:06 pm-11:59 pm

1 stop8h 53m

$513

DetroitHelena

DTW - HLN

DTWHLN

Detroit Metropolitan Wayne County

Thu 11/20

10:31 am-10:37 pm

2 stops14h 06m

Helena

Mon 12/1

1:06 pm-11:59 pm

1 stop8h 53m

$604

DetroitHelena

DTW - HLN

DTWHLN

Detroit Metropolitan Wayne County

Sun 12/21

12:30 pm-10:50 pm

2 stops12h 20m

Helena

Sun 12/28

1:06 pm-12:15 am

1 stop9h 09m

$606

DetroitHelena

DTW - HLN

DTWHLN

Detroit Metropolitan Wayne County

Sun 12/21

12:30 pm-10:50 pm

2 stops12h 20m

Helena

Sun 12/28

1:06 pm-11:16 pm

2 stops8h 10m

$611

DetroitHelena

DTW - HLN

DTWHLN

Detroit Metropolitan Wayne County

Sun 12/21

6:40 am-5:55 pm

1 stop13h 15m

Helena

Sun 12/28

6:32 pm-5:20 am

1 stop8h 48m

$664

DetroitHelena

DTW - HLN

DTWHLN

Detroit Metropolitan Wayne County

Sat 12/20

8:01 am-10:50 pm

1 stop16h 49m

Helena

Sat 12/27

1:06 pm-12:15 am

1 stop9h 09m

$677

DetroitHelena

DTW - HLN

DTWHLN

Detroit Metropolitan Wayne County

Sat 12/20

8:01 am-10:50 pm

1 stop16h 49m

Helena

Sun 12/28

1:06 pm-11:16 pm

2 stops8h 10m

$682

DetroitHelena

DTW - HLN

DTWHLN

Detroit Metropolitan Wayne County

Sun 12/21

6:40 am-5:55 pm

1 stop13h 15m

Helena

Sat 12/27

6:32 pm-5:20 am

1 stop8h 48m

$694

DetroitHelena

DTW - HLN

DTWHLN

Detroit Metropolitan Wayne County

Thu 11/20

5:33 am-5:36 pm

2 stops14h 03m

Helena

Mon 12/1

7:32 pm-6:43 pm

2 stops21h 11m

$705

DetroitHelena

DTW - HLN

DTWHLN

Detroit Metropolitan Wayne County

Sun 12/21

7:15 am-1:45 pm

2 stops8h 30m

Helena

Fri 12/26

2:26 pm-10:15 pm

1 stop5h 49m

$737

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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

Direct flights

None
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 23m.

  • 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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