Which airport is the most popular layover for flights between Detroit and Helena?

Denver (DEN) was the most common stop: 67% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport has the shortest connection time from Detroit to Helena?

Denver (DEN) has the shortest average layover time for this route: 1h 04m.

Which layover airport has the shortest travel time from Detroit to Helena?

Flights connecting via Denver (DEN) have the shortest average one-way travel time: 6h 41m.

Which layover airport offers the lowest fares from Detroit to Helena?

Flights via Seattle (SEA) offer the lowest average round-trip price of $290.

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.

$329 Cheap Flights from Detroit to Helena in 2026

Find the cheapest flights from Detroit to Helena

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

5:40 pm - 10:30 pm

DTW

HLN

6h 50m

1 stop

12:55 pm - 11:59 pm

HLN

DTW

9h 04m

1 stop

$329Delta

Fri, Aug 21 - Tue, Aug 25

5:40 pm - 10:30 pm

DTW

HLN

6h 50m

1 stop

5:40 am - 8:15 pm

HLN

DTW

12h 35m

2 stops

$334Delta

Fri, Aug 21 - Wed, Aug 26

8:00 am - 12:24 pm

DTW

HLN

6h 24m

1 stop

5:45 am - 3:14 pm

HLN

DTW

7h 29m

1 stop

$394Delta

Fri, Oct 16 - Mon, Oct 19

5:40 pm - 10:30 pm

DTW

HLN

6h 50m

1 stop

5:40 am - 8:15 pm

HLN

DTW

12h 35m

2 stops

$399Delta

Fri, Aug 21 - Tue, Aug 25

5:53 pm - 4:11 pm

DTW

HLN

24h 18m

1 stop

4:48 pm - 10:28 am

HLN

DTW

15h 40m

2 stops

$460Alaska Airlines

Fri, Oct 16 - Mon, Oct 19

5:39 pm - 4:41 pm

DTW

HLN

25h 02m

1 stop

5:18 pm - 5:22 am

HLN

DTW

10h 04m

1 stop

$469Alaska Airlines

Fri, Sep 18 - Sun, Sep 20

12:58 pm - 4:11 pm

DTW

HLN

29h 13m

2 stops

4:48 pm - 12:07 pm

HLN

DTW

17h 19m

2 stops

$509Alaska Airlines

Fri, Oct 16 - Mon, Oct 19

8:21 am - 4:41 pm

DTW

HLN

34h 20m

2 stops

5:18 pm - 5:22 am

HLN

DTW

10h 04m

1 stop

$530Alaska Airlines

Fri, Sep 18 - Sun, Sep 20

2:59 pm - 10:30 pm

DTW

HLN

9h 31m

2 stops

5:40 am - 8:15 pm

HLN

DTW

12h 35m

2 stops

$589Delta

Fri, Aug 21 - Tue, Aug 25

7:00 am - 12:15 pm

DTW

HLN

7h 15m

1 stop

12:55 pm - 11:59 pm

HLN

DTW

9h 04m

1 stop

$619Delta

Tue, Jul 7 - Tue, Jul 14

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Alaska Airlines flights from Detroit to Helena

Our best Alaska Airlines deals on Detroit to Helena flight tickets

Alaska Airlines

Oct 16

DTW5:53 pmDetroit Metropolitan Wayne County

24h 18m

1 stop

HLN4:11 pmHelena

Oct 19

HLN4:48 pmHelena

15h 40m

2 stops

DTW10:28 amDetroit Metropolitan Wayne County

$460

Alaska Airlines

Sep 18

DTW5:39 pmDetroit Metropolitan Wayne County

25h 02m

1 stop

HLN4:41 pmHelena

Sep 20

HLN5:18 pmHelena

10h 04m

1 stop

DTW5:22 amDetroit Metropolitan Wayne County

$469

Alaska Airlines

Oct 16

DTW12:58 pmDetroit Metropolitan Wayne County

29h 13m

2 stops

HLN4:11 pmHelena

Oct 19

HLN4:48 pmHelena

17h 19m

2 stops

DTW12:07 pmDetroit Metropolitan Wayne County

$509

United Airlines flights from Detroit to Helena

Our best United Airlines deals on Detroit to Helena flight tickets

United Airlines

Aug 21

DTW6:10 pmDetroit Metropolitan Wayne County

21h 35m

3 stops

HLN1:45 pmHelena

Aug 25

HLN2:35 pmHelena

6h 03m

1 stop

DTW10:38 pmDetroit Metropolitan Wayne County

$639

United Airlines

Aug 21

DTW6:15 amDetroit Metropolitan Wayne County

33h 30m

2 stops

HLN1:45 pmHelena

Aug 25

HLN6:15 amHelena

8h 45m

2 stops

DTW5:00 pmDetroit Metropolitan Wayne County

$692

United Airlines

Jun 27

DTW8:00 amDetroit Metropolitan Wayne County

7h 33m

1 stop

HLN1:33 pmHelena

Jul 6

HLN2:20 pmHelena

6h 23m

1 stop

DTW10:43 pmDetroit Metropolitan Wayne County

$693

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DetroitHelena

DTW - HLN

DTWHLN

Detroit Metropolitan Wayne County

Fri 8/21

5:40 pm-10:30 pm

1 stop6h 50m

Helena

Tue 8/25

12:55 pm-11:59 pm

1 stop9h 04m

$329

DetroitHelena

DTW - HLN

DTWHLN

Detroit Metropolitan Wayne County

Fri 8/21

5:40 pm-10:30 pm

1 stop6h 50m

Helena

Wed 8/26

5:40 am-8:15 pm

2 stops12h 35m

$334

Quickest round-trip

DetroitHelena

DTW - HLN

DTWHLN

Detroit Metropolitan Wayne County

Fri 10/16

8:00 am-12:24 pm

1 stop6h 24m

Helena

Mon 10/19

5:45 am-3:14 pm

1 stop7h 29m

$394

DetroitHelena

DTW - HLN

DTWHLN

Detroit Metropolitan Wayne County

Fri 8/21

5:40 pm-10:30 pm

1 stop6h 50m

Helena

Tue 8/25

5:40 am-8:15 pm

2 stops12h 35m

$399

DetroitHelena

DTW - HLN

DTWHLN

Detroit Metropolitan Wayne County

Fri 10/16

5:53 pm-4:11 pm

1 stop24h 18m

Helena

Mon 10/19

4:48 pm-10:28 am

2 stops15h 40m

$460

DetroitHelena

DTW - HLN

DTWHLN

Detroit Metropolitan Wayne County

Fri 9/18

5:39 pm-4:41 pm

1 stop25h 02m

Helena

Sun 9/20

5:18 pm-5:22 am

1 stop10h 04m

$469

DetroitHelena

DTW - HLN

DTWHLN

Detroit Metropolitan Wayne County

Fri 10/16

12:58 pm-4:11 pm

2 stops29h 13m

Helena

Mon 10/19

4:48 pm-12:07 pm

2 stops17h 19m

$509

DetroitHelena

DTW - HLN

DTWHLN

Detroit Metropolitan Wayne County

Fri 9/18

8:21 am-4:41 pm

2 stops34h 20m

Helena

Sun 9/20

5:18 pm-5:22 am

1 stop10h 04m

$530

DetroitHelena

DTW - HLN

DTWHLN

Detroit Metropolitan Wayne County

Fri 8/21

2:59 pm-10:30 pm

2 stops9h 31m

Helena

Tue 8/25

5:40 am-8:15 pm

2 stops12h 35m

$589

DetroitHelena

DTW - HLN

DTWHLN

Detroit Metropolitan Wayne County

Tue 7/7

7:00 am-12:15 pm

1 stop7h 15m

Helena

Tue 7/14

12:55 pm-11:59 pm

1 stop9h 04m

$619

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 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

Airlines

Layovers

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 44% 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 24m
Direct flights	None

The fastest flight from Detroit to Helena takes 6h 24m

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 24m.
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.