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

Denver (DEN) was the most common stop: 75% of momondo users choosing 1-stop flights on this route connected there.

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 25m.

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

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

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

Denver (DEN) has the shortest average layover time for this route: 0h 57m.

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.

$374 Cheap Flights from Detroit to Helena in 2026

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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.

5:14 pm - 5:45 pm

DTW

HLN

26h 31m

1 stop

6:22 pm - 5:44 am

HLN

DTW

9h 22m

1 stop

$404Alaska Airlines

Sat, May 2 - Thu, May 7

3:29 pm - 9:33 pm

DTW

HLN

8h 04m

1 stop

2:25 pm - 10:52 pm

HLN

DTW

6h 27m

1 stop

$429United Airlines

Sat, Apr 18 - Tue, Apr 21

10:53 am - 9:33 pm

DTW

HLN

12h 40m

2 stops

2:25 pm - 10:52 pm

HLN

DTW

6h 27m

1 stop

$434United Airlines

Sat, Apr 18 - Tue, Apr 21

9:03 am - 1:39 pm

DTW

HLN

6h 36m

1 stop

2:25 pm - 10:52 pm

HLN

DTW

6h 27m

1 stop

$439United Airlines

Sat, Apr 18 - Tue, Apr 21

10:53 am - 9:33 pm

DTW

HLN

12h 40m

2 stops

2:25 pm - 10:52 pm

HLN

DTW

6h 27m

1 stop

$444United Airlines

Sat, Apr 18 - Tue, Apr 21

5:43 pm - 10:33 pm

DTW

HLN

6h 50m

1 stop

5:45 am - 3:31 pm

HLN

DTW

7h 46m

2 stops

$464Delta

Fri, May 22 - Tue, May 26

3:29 pm - 9:33 pm

DTW

HLN

8h 04m

1 stop

2:25 pm - 10:52 pm

HLN

DTW

6h 27m

1 stop

$487United Airlines

Fri, Apr 10 - Sun, Apr 12

11:15 am - 9:46 pm

DTW

HLN

12h 31m

2 stops

2:30 pm - 10:53 pm

HLN

DTW

6h 23m

1 stop

$493United Airlines

Sat, May 2 - Thu, May 7

9:03 am - 1:39 pm

DTW

HLN

6h 36m

1 stop

2:25 pm - 1:16 am

HLN

DTW

8h 51m

2 stops

$500United Airlines

Wed, Apr 1 - Sun, Apr 5

5:32 pm - 5:45 pm

DTW

HLN

26h 13m

2 stops

6:22 pm - 12:57 pm

HLN

DTW

16h 35m

2 stops

$515Alaska Airlines

Sat, May 2 - Thu, May 7

Alaska Airlines flights from Detroit to Helena

Our best Alaska Airlines deals on Detroit to Helena flight tickets

Alaska Airlines

May 2

DTW5:14 pmDetroit Metropolitan Wayne County

26h 31m

1 stop

HLN5:45 pmHelena

May 7

HLN6:22 pmHelena

9h 22m

1 stop

DTW5:44 amDetroit Metropolitan Wayne County

$404

Alaska Airlines

May 2

DTW5:32 pmDetroit Metropolitan Wayne County

26h 13m

2 stops

HLN5:45 pmHelena

May 7

HLN6:22 pmHelena

16h 35m

2 stops

DTW12:57 pmDetroit Metropolitan Wayne County

$515

Alaska Airlines

Jul 23

DTW7:01 amDetroit Metropolitan Wayne County

11h 48m

1 stop

HLN4:49 pmHelena

Jul 28

HLN5:26 pmHelena

10h 15m

1 stop

DTW5:41 amDetroit Metropolitan Wayne County

$529

Delta flights from Detroit to Helena

Our best Delta deals on Detroit to Helena flight tickets

Delta

May 22

DTW5:43 pmDetroit Metropolitan Wayne County

6h 50m

1 stop

HLN10:33 pmHelena

May 26

HLN5:45 amHelena

7h 46m

2 stops

DTW3:31 pmDetroit Metropolitan Wayne County

$464

Delta

May 21

DTW8:20 amDetroit Metropolitan Wayne County

6h 03m

1 stop

HLN12:23 pmHelena

May 26

HLN1:03 pmHelena

8h 56m

1 stop

DTW11:59 pmDetroit Metropolitan Wayne County

$578

Delta

May 21

DTW7:01 amDetroit Metropolitan Wayne County

7h 22m

2 stops

HLN12:23 pmHelena

May 26

HLN5:45 amHelena

7h 21m

1 stop

DTW3:06 pmDetroit Metropolitan Wayne County

$583

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DetroitHelena

DTW - HLN

DTWHLN

Detroit Metropolitan Wayne County

Sat 5/2

5:14 pm-5:45 pm

1 stop26h 31m

Helena

Thu 5/7

6:22 pm-5:44 am

1 stop9h 22m

$404

DetroitHelena

DTW - HLN

DTWHLN

Detroit Metropolitan Wayne County

Sat 4/18

3:29 pm-9:33 pm

1 stop8h 04m

Helena

Tue 4/21

2:25 pm-10:52 pm

1 stop6h 27m

$429

DetroitHelena

DTW - HLN

DTWHLN

Detroit Metropolitan Wayne County

Sat 4/18

10:53 am-9:33 pm

2 stops12h 40m

Helena

Tue 4/21

2:25 pm-10:52 pm

1 stop6h 27m

$434

Quickest round-trip

DetroitHelena

DTW - HLN

DTWHLN

Detroit Metropolitan Wayne County

Sat 4/18

9:03 am-1:39 pm

1 stop6h 36m

Helena

Tue 4/21

2:25 pm-10:52 pm

1 stop6h 27m

$439

DetroitHelena

DTW - HLN

DTWHLN

Detroit Metropolitan Wayne County

Sat 4/18

10:53 am-9:33 pm

2 stops12h 40m

Helena

Tue 4/21

2:25 pm-10:52 pm

1 stop6h 27m

$444

DetroitHelena

DTW - HLN

DTWHLN

Detroit Metropolitan Wayne County

Fri 5/22

5:43 pm-10:33 pm

1 stop6h 50m

Helena

Tue 5/26

5:45 am-3:31 pm

2 stops7h 46m

$464

DetroitHelena

DTW - HLN

DTWHLN

Detroit Metropolitan Wayne County

Fri 4/10

3:29 pm-9:33 pm

1 stop8h 04m

Helena

Sun 4/12

2:25 pm-10:52 pm

1 stop6h 27m

$487

DetroitHelena

DTW - HLN

DTWHLN

Detroit Metropolitan Wayne County

Sat 5/2

11:15 am-9:46 pm

2 stops12h 31m

Helena

Thu 5/7

2:30 pm-10:53 pm

1 stop6h 23m

$493

DetroitHelena

DTW - HLN

DTWHLN

Detroit Metropolitan Wayne County

Wed 4/1

9:03 am-1:39 pm

1 stop6h 36m

Helena

Sun 4/5

2:25 pm-1:16 am

2 stops8h 51m

$500

DetroitHelena

DTW - HLN

DTWHLN

Detroit Metropolitan Wayne County

Sat 5/2

5:32 pm-5:45 pm

2 stops26h 13m

Helena

Thu 5/7

6:22 pm-12:57 pm

2 stops16h 35m

$515

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 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, Alaska Airlines, and Delta are the most popular carriers 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 13m
Direct flights	None

The fastest flight from Detroit to Helena takes 6h 13m

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 13m.
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.