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.

$339 Cheap Flights from Detroit to Helena in 2026/27

Find the cheapest flights from Detroit to Helena

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

8:50 am - 1:40 pmDTW Detroit Metropolitan Wayne County-HLN Helena

6h 50m1 stop Denver Intl

6:28 am - 2:27 pmHLN Helena-DTW Detroit Metropolitan Wayne County

5h 59m1 stop Denver Intl

$449United Airlines

Wed, Nov 11 - Sat, Nov 14

7:26 am - 1:40 pmDTW Detroit Metropolitan Wayne County-HLN Helena

8h 14m2 stops Chicago O'Hare Intl Denver Intl

6:28 am - 2:27 pmHLN Helena-DTW Detroit Metropolitan Wayne County

5h 59m1 stop Denver Intl

$454United Airlines

Wed, Nov 11 - Sat, Nov 14

12:35 pm - 9:31 pmDTW Detroit Metropolitan Wayne County-HLN Helena

10h 56m2 stops Chicago O'Hare Intl Denver Intl

6:28 am - 6:28 pmHLN Helena-DTW Detroit Metropolitan Wayne County

10h 00m2 stops Denver Intl Newark

$494United Airlines

Wed, Nov 11 - Sat, Nov 14

12:35 pm - 9:31 pmDTW Detroit Metropolitan Wayne County-HLN Helena

10h 56m2 stops Chicago O'Hare Intl Denver Intl

6:28 am - 6:28 pmHLN Helena-DTW Detroit Metropolitan Wayne County

10h 00m2 stops Denver Intl Newark

$504United Airlines

Wed, Nov 11 - Sat, Nov 14

7:00 am - 4:49 pmDTW Detroit Metropolitan Wayne County-HLN Helena

11h 49m1 stop Seattle/Tacoma Intl

5:26 pm - 5:40 amHLN Helena-DTW Detroit Metropolitan Wayne County

10h 14m1 stop Seattle/Tacoma Intl

$591Alaska Airlines

Thu, Oct 8 - Wed, Oct 14

9:02 am - 9:08 pmDTW Detroit Metropolitan Wayne County-HLN Helena

14h 06m2 stops Chicago O'Hare Intl Denver Intl

6:25 am - 10:39 pmHLN Helena-DTW Detroit Metropolitan Wayne County

14h 14m1 stop Denver Intl

$737United Airlines

Thu, Oct 8 - Wed, Oct 14

9:02 am - 9:08 pmDTW Detroit Metropolitan Wayne County-HLN Helena

14h 06m2 stops Chicago O'Hare Intl Denver Intl

6:25 am - 10:39 pmHLN Helena-DTW Detroit Metropolitan Wayne County

14h 14m1 stop Denver Intl

$746United Airlines

Thu, Oct 8 - Wed, Oct 14

10:25 am - 9:08 pmDTW Detroit Metropolitan Wayne County-HLN Helena

12h 43m2 stops Chicago O'Hare Intl Denver Intl

6:25 am - 11:59 pmHLN Helena-DTW Detroit Metropolitan Wayne County

15h 34m2 stops Denver Intl Chicago O'Hare Intl

$751United Airlines

Thu, Oct 8 - Wed, Oct 14

9:02 am - 9:08 pmDTW Detroit Metropolitan Wayne County-HLN Helena

14h 06m2 stops Chicago O'Hare Intl Denver Intl

6:25 am - 6:05 pmHLN Helena-DTW Detroit Metropolitan Wayne County

9h 40m2 stops Denver Intl Chicago O'Hare Intl

$757United Airlines

Thu, Oct 8 - Wed, Oct 14

10:25 am - 9:08 pmDTW Detroit Metropolitan Wayne County-HLN Helena

12h 43m2 stops Chicago O'Hare Intl Denver Intl

6:25 am - 6:05 pmHLN Helena-DTW Detroit Metropolitan Wayne County

9h 40m2 stops Denver Intl Chicago O'Hare Intl

$770United Airlines

Thu, Oct 8 - Wed, Oct 14

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Delta flights from Detroit to Helena

Our best Delta deals on Detroit to Helena flight tickets

Delta

Nov 25

DTW6:08 pmDetroit Metropolitan Wayne County

6h 18m

1 stop

HLN10:26 pmHelena

Nov 29

HLN1:07 pmHelena

8h 51m

1 stop

DTW11:58 pmDetroit Metropolitan Wayne County

$1,104

Delta

Oct 12

DTW4:22 pmDetroit Metropolitan Wayne County

8h 02m

2 stops

HLN10:24 pmHelena

Oct 17

HLN7:15 amHelena

10h 42m

2 stops

DTW7:57 pmDetroit Metropolitan Wayne County

$2,750

United Airlines flights from Detroit to Helena

Our best United Airlines deals on Detroit to Helena flight tickets

United Airlines

Nov 11

DTW8:50 amDetroit Metropolitan Wayne County

6h 50m

1 stop

HLN1:40 pmHelena

Nov 14

HLN6:28 amHelena

5h 59m

1 stop

DTW2:27 pmDetroit Metropolitan Wayne County

$449

United Airlines

Nov 11

DTW7:26 amDetroit Metropolitan Wayne County

8h 14m

2 stops

HLN1:40 pmHelena

Nov 14

HLN6:28 amHelena

5h 59m

1 stop

DTW2:27 pmDetroit Metropolitan Wayne County

$454

United Airlines

Nov 11

DTW12:35 pmDetroit Metropolitan Wayne County

10h 56m

2 stops

HLN9:31 pmHelena

Nov 14

HLN6:28 amHelena

10h 00m

2 stops

DTW6:28 pmDetroit Metropolitan Wayne County

$494

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

DetroitHelena

DTW Detroit Metropolitan Wayne County - HLN Helena

DTWHLN

Detroit Metropolitan Wayne County

Wed 11/11

8:50 am-1:40 pm

1 stop6h 50m

Helena

Sat 11/14

6:28 am-2:27 pm

1 stop5h 59m

$449

DetroitHelena

DTW Detroit Metropolitan Wayne County - HLN Helena

DTWHLN

Detroit Metropolitan Wayne County

Wed 11/11

7:26 am-1:40 pm

2 stops8h 14m

Helena

Sat 11/14

6:28 am-2:27 pm

1 stop5h 59m

$454

DetroitHelena

DTW Detroit Metropolitan Wayne County - HLN Helena

DTWHLN

Detroit Metropolitan Wayne County

Wed 11/11

12:35 pm-9:31 pm

2 stops10h 56m

Helena

Sat 11/14

6:28 am-6:28 pm

2 stops10h 00m

$494

DetroitHelena

DTW Detroit Metropolitan Wayne County - HLN Helena

DTWHLN

Detroit Metropolitan Wayne County

Wed 11/11

12:35 pm-9:31 pm

2 stops10h 56m

Helena

Sat 11/14

6:28 am-6:28 pm

2 stops10h 00m

$504

DetroitHelena

DTW Detroit Metropolitan Wayne County - HLN Helena

DTWHLN

Detroit Metropolitan Wayne County

Thu 10/8

7:00 am-4:49 pm

1 stop11h 49m

Helena

Wed 10/14

5:26 pm-5:40 am

1 stop10h 14m

$591

DetroitHelena

DTW Detroit Metropolitan Wayne County - HLN Helena

DTWHLN

Detroit Metropolitan Wayne County

Thu 10/8

9:02 am-9:08 pm

2 stops14h 06m

Helena

Wed 10/14

6:25 am-10:39 pm

1 stop14h 14m

$737

DetroitHelena

DTW Detroit Metropolitan Wayne County - HLN Helena

DTWHLN

Detroit Metropolitan Wayne County

Thu 10/8

9:02 am-9:08 pm

2 stops14h 06m

Helena

Wed 10/14

6:25 am-10:39 pm

1 stop14h 14m

$746

DetroitHelena

DTW Detroit Metropolitan Wayne County - HLN Helena

DTWHLN

Detroit Metropolitan Wayne County

Thu 10/8

10:25 am-9:08 pm

2 stops12h 43m

Helena

Wed 10/14

6:25 am-11:59 pm

2 stops15h 34m

$751

DetroitHelena

DTW Detroit Metropolitan Wayne County - HLN Helena

DTWHLN

Detroit Metropolitan Wayne County

Thu 10/8

9:02 am-9:08 pm

2 stops14h 06m

Helena

Wed 10/14

6:25 am-6:05 pm

2 stops9h 40m

$757

DetroitHelena

DTW Detroit Metropolitan Wayne County - HLN Helena

DTWHLN

Detroit Metropolitan Wayne County

Thu 10/8

10:25 am-9:08 pm

2 stops12h 43m

Helena

Wed 10/14

6:25 am-6:05 pm

2 stops9h 40m

$770

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 15 resultsSorted by cheapest first

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 Alaska 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 42% of people opting to fly with this airline when traveling to Helena. Keep in mind that there are 6 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

Best Price Found	$339
Fastest flight time	6h 50m
Direct flights	None

The best one-way flight to Helena from Detroit in the past 72 hours is $339. The best round-trip flight deal from Detroit to Helena found on momondo in the last 72 hours is $449.

The fastest flight from Detroit to Helena takes 6h 50m

There are no direct flights from Detroit to Helena. There are no popular flight routes from Detroit to Helena.

Search flight deals

Frequently asked questions about flying from Detroit to Helena

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 50m.
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.