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

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.

5:47 pm - 10:26 pm

DTW

HLN

6h 39m

1 stop

1:04 pm - 11:59 pm

HLN

DTW

8h 55m

1 stop

$339Delta

Wed, Nov 11 - Sat, Nov 14

5:47 pm - 10:26 pm

DTW

HLN

6h 39m

1 stop

7:00 am - 5:10 pm

HLN

DTW

8h 10m

2 stops

$344Delta

Wed, Nov 11 - Sat, Nov 14

12:37 pm - 10:24 pm

DTW

HLN

11h 47m

2 stops

12:57 pm - 11:59 pm

HLN

DTW

9h 02m

1 stop

$344Delta

Tue, Sep 15 - Tue, Sep 29

5:47 pm - 10:26 pm

DTW

HLN

6h 39m

1 stop

1:04 pm - 11:59 pm

HLN

DTW

8h 55m

1 stop

$359Delta

Wed, Nov 11 - Sat, Nov 14

3:29 pm - 9:30 pm

DTW

HLN

8h 01m

1 stop

2:30 pm - 10:39 pm

HLN

DTW

6h 09m

1 stop

$363United Airlines

Tue, Sep 15 - Tue, Sep 29

9:25 am - 10:26 pm

DTW

HLN

15h 01m

2 stops

1:04 pm - 11:59 pm

HLN

DTW

8h 55m

1 stop

$364Delta

Wed, Nov 11 - Sat, Nov 14

9:26 am - 9:30 pm

DTW

HLN

14h 04m

2 stops

2:26 pm - 10:39 pm

HLN

DTW

6h 13m

1 stop

$367United Airlines

Wed, Sep 2 - Wed, Sep 9

7:01 am - 4:34 pm

DTW

HLN

11h 33m

1 stop

5:18 pm - 5:22 am

HLN

DTW

10h 04m

1 stop

$369Alaska Airlines

Wed, Sep 2 - Wed, Sep 9

12:35 pm - 9:30 pm

DTW

HLN

10h 55m

2 stops

2:35 pm - 10:45 pm

HLN

DTW

6h 10m

1 stop

$379United Airlines

Tue, Aug 18 - Sat, Aug 22

5:45 pm - 10:24 pm

DTW

HLN

6h 39m

1 stop

1:08 pm - 11:59 pm

HLN

DTW

8h 51m

1 stop

$409Delta

Tue, Oct 20 - Tue, Nov 3

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Alaska Airlines flights from Detroit to Helena

Our best Alaska Airlines deals on Detroit to Helena flight tickets

Alaska Airlines

Sep 2

DTW7:01 amDetroit Metropolitan Wayne County

11h 33m

1 stop

HLN4:34 pmHelena

Sep 9

HLN5:18 pmHelena

10h 04m

1 stop

DTW5:22 amDetroit Metropolitan Wayne County

$369

Alaska Airlines

Sep 2

DTW7:01 amDetroit Metropolitan Wayne County

11h 33m

1 stop

HLN4:34 pmHelena

Sep 8

HLN5:18 pmHelena

10h 04m

1 stop

DTW5:22 amDetroit Metropolitan Wayne County

$409

Alaska Airlines

Sep 1

DTW7:01 amDetroit Metropolitan Wayne County

11h 33m

1 stop

HLN4:34 pmHelena

Sep 8

HLN5:18 pmHelena

10h 04m

1 stop

DTW5:22 amDetroit Metropolitan Wayne County

$439

United Airlines flights from Detroit to Helena

Our best United Airlines deals on Detroit to Helena flight tickets

United Airlines

Sep 15

DTW3:29 pmDetroit Metropolitan Wayne County

8h 01m

1 stop

HLN9:30 pmHelena

Sep 29

HLN2:30 pmHelena

6h 09m

1 stop

DTW10:39 pmDetroit Metropolitan Wayne County

$363

United Airlines

Sep 2

DTW9:26 amDetroit Metropolitan Wayne County

14h 04m

2 stops

HLN9:30 pmHelena

Sep 9

HLN2:26 pmHelena

6h 13m

1 stop

DTW10:39 pmDetroit Metropolitan Wayne County

$367

United Airlines

Aug 18

DTW12:35 pmDetroit Metropolitan Wayne County

10h 55m

2 stops

HLN9:30 pmHelena

Aug 22

HLN2:35 pmHelena

6h 10m

1 stop

DTW10:45 pmDetroit Metropolitan Wayne County

$379

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DetroitHelena

DTW - HLN

DTWHLN

Detroit Metropolitan Wayne County

Wed 11/11

5:47 pm-10:26 pm

1 stop6h 39m

Helena

Sat 11/14

1:04 pm-11:59 pm

1 stop8h 55m

$339

DetroitHelena

DTW - HLN

DTWHLN

Detroit Metropolitan Wayne County

Wed 11/11

5:47 pm-10:26 pm

1 stop6h 39m

Helena

Sat 11/14

7:00 am-5:10 pm

2 stops8h 10m

$344

DetroitHelena

DTW - HLN

DTWHLN

Detroit Metropolitan Wayne County

Tue 9/15

12:37 pm-10:24 pm

2 stops11h 47m

Helena

Tue 9/29

12:57 pm-11:59 pm

1 stop9h 02m

$344

DetroitHelena

DTW - HLN

DTWHLN

Detroit Metropolitan Wayne County

Wed 11/11

5:47 pm-10:26 pm

1 stop6h 39m

Helena

Sat 11/14

1:04 pm-11:59 pm

1 stop8h 55m

$359

Quickest round-trip

DetroitHelena

DTW - HLN

DTWHLN

Detroit Metropolitan Wayne County

Tue 9/15

3:29 pm-9:30 pm

1 stop8h 01m

Helena

Tue 9/29

2:30 pm-10:39 pm

1 stop6h 09m

$363

DetroitHelena

DTW - HLN

DTWHLN

Detroit Metropolitan Wayne County

Wed 11/11

9:25 am-10:26 pm

2 stops15h 01m

Helena

Sat 11/14

1:04 pm-11:59 pm

1 stop8h 55m

$364

DetroitHelena

DTW - HLN

DTWHLN

Detroit Metropolitan Wayne County

Wed 9/2

9:26 am-9:30 pm

2 stops14h 04m

Helena

Wed 9/9

2:26 pm-10:39 pm

1 stop6h 13m

$367

DetroitHelena

DTW - HLN

DTWHLN

Detroit Metropolitan Wayne County

Wed 9/2

7:01 am-4:34 pm

1 stop11h 33m

Helena

Wed 9/9

5:18 pm-5:22 am

1 stop10h 04m

$369

DetroitHelena

DTW - HLN

DTWHLN

Detroit Metropolitan Wayne County

Tue 8/18

12:35 pm-9:30 pm

2 stops10h 55m

Helena

Sat 8/22

2:35 pm-10:45 pm

1 stop6h 10m

$379

DetroitHelena

DTW - HLN

DTWHLN

Detroit Metropolitan Wayne County

Tue 10/20

5:45 pm-10:24 pm

1 stop6h 39m

Helena

Tue 11/3

1:08 pm-11:59 pm

1 stop8h 51m

$409

Flights are sorted by cheapest round-trip flights first.

Sorted 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 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

Fastest flight time	6h 32m
Direct flights	None

The fastest flight from Detroit to Helena takes 6h 32m

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

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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 32m.
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.