When did momondo last update prices for flights from Helena Airport to Detroit?

Prices for flights from Helena Airport to Detroit were last updated today.

How many operators does momondo search for flights from Helena Airport to Detroit?

As of September 2026, there is 1 operator available to choose from for flights from Helena Airport to Detroit.

How old do you have to be to fly from Helena Airport to Detroit?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Helena Airport to Detroit.

What documentation or ID do you need to fly to Detroit?

The necessary travel and health documents for your Detroit 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 Helena to Detroit in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Helena to Detroit

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

2:23 pm - 10:15 pmHLN Helena-DTW Detroit Metropolitan Wayne County

5h 52m1 stop Denver Intl

3:24 pm - 9:31 pmDTW Detroit Metropolitan Wayne County-HLN Helena

8h 07m1 stop Denver Intl

$429United Airlines

Sat, Nov 7 - Tue, Nov 10

2:23 pm - 10:15 pmHLN Helena-DTW Detroit Metropolitan Wayne County

5h 52m1 stop Denver Intl

8:30 am - 9:31 pmDTW Detroit Metropolitan Wayne County-HLN Helena

15h 01m2 stops Newark Denver Intl

$434United Airlines

Sat, Nov 7 - Tue, Nov 10

6:28 am - 8:30 pmHLN Helena-DTW Detroit Metropolitan Wayne County

12h 02m2 stops Denver Intl Chicago O'Hare Intl

11:37 am - 9:31 pmDTW Detroit Metropolitan Wayne County-HLN Helena

11h 54m2 stops Newark Denver Intl

$439United Airlines

Sat, Nov 7 - Tue, Nov 10

6:28 am - 5:40 pmHLN Helena-DTW Detroit Metropolitan Wayne County

9h 12m2 stops Denver Intl Chicago O'Hare Intl

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

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

$439United Airlines

Sat, Nov 7 - Tue, Nov 10

2:23 pm - 10:15 pmHLN Helena-DTW Detroit Metropolitan Wayne County

5h 52m1 stop Denver Intl

3:24 pm - 9:31 pmDTW Detroit Metropolitan Wayne County-HLN Helena

8h 07m1 stop Denver Intl

$449United Airlines

Sat, Nov 7 - Tue, Nov 10

5:18 pm - 5:22 amHLN Helena-DTW Detroit Metropolitan Wayne County

10h 04m1 stop Seattle/Tacoma Intl

7:01 am - 4:41 pmDTW Detroit Metropolitan Wayne County-HLN Helena

11h 40m1 stop Seattle/Tacoma Intl

$680Alaska Airlines

Wed, Sep 23 - Sun, Sep 27

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Alaska Airlines flights from Helena to Detroit

Our best Alaska Airlines deals on Helena to Detroit flight tickets

Alaska Airlines

Sep 23

HLN5:18 pmHelena

10h 04m

1 stop

DTW5:22 amDetroit Metropolitan Wayne County

Sep 27

DTW7:01 amDetroit Metropolitan Wayne County

11h 40m

1 stop

HLN4:41 pmHelena

$680

Alaska Airlines

Sep 16

HLN5:18 pmHelena

10h 04m

1 stop

DTW5:22 amDetroit Metropolitan Wayne County

Sep 20

DTW7:01 amDetroit Metropolitan Wayne County

11h 40m

1 stop

HLN4:41 pmHelena

$868

United Airlines flights from Helena to Detroit

Our best United Airlines deals on Helena to Detroit flight tickets

United Airlines

Nov 7

HLN2:23 pmHelena

5h 52m

1 stop

DTW10:15 pmDetroit Metropolitan Wayne County

Nov 10

DTW3:24 pmDetroit Metropolitan Wayne County

8h 07m

1 stop

HLN9:31 pmHelena

$429

United Airlines

Nov 7

HLN2:23 pmHelena

5h 52m

1 stop

DTW10:15 pmDetroit Metropolitan Wayne County

Nov 10

DTW8:30 amDetroit Metropolitan Wayne County

15h 01m

2 stops

HLN9:31 pmHelena

$434

United Airlines

Nov 7

HLN6:28 amHelena

12h 02m

2 stops

DTW8:30 pmDetroit Metropolitan Wayne County

Nov 10

DTW11:37 amDetroit Metropolitan Wayne County

11h 54m

2 stops

HLN9:31 pmHelena

$439

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

HelenaDetroit

HLN Helena - DTW Detroit Metropolitan Wayne County

HLNDTW

Helena

Sat 11/7

2:23 pm-10:15 pm

1 stop5h 52m

Detroit Metropolitan Wayne County

Tue 11/10

3:24 pm-9:31 pm

1 stop8h 07m

$429

HelenaDetroit

HLN Helena - DTW Detroit Metropolitan Wayne County

HLNDTW

Helena

Sat 11/7

2:23 pm-10:15 pm

1 stop5h 52m

Detroit Metropolitan Wayne County

Tue 11/10

8:30 am-9:31 pm

2 stops15h 01m

$434

HelenaDetroit

HLN Helena - DTW Detroit Metropolitan Wayne County

HLNDTW

Helena

Sat 11/7

6:28 am-8:30 pm

2 stops12h 02m

Detroit Metropolitan Wayne County

Tue 11/10

11:37 am-9:31 pm

2 stops11h 54m

$439

HelenaDetroit

HLN Helena - DTW Detroit Metropolitan Wayne County

HLNDTW

Helena

Sat 11/7

6:28 am-5:40 pm

2 stops9h 12m

Detroit Metropolitan Wayne County

Tue 11/10

12:35 pm-9:31 pm

2 stops10h 56m

$439

HelenaDetroit

HLN Helena - DTW Detroit Metropolitan Wayne County

HLNDTW

Helena

Sat 11/7

2:23 pm-10:15 pm

1 stop5h 52m

Detroit Metropolitan Wayne County

Tue 11/10

3:24 pm-9:31 pm

1 stop8h 07m

$449

HelenaDetroit

HLN Helena - DTW Detroit Metropolitan Wayne County

HLNDTW

Helena

Wed 9/23

5:18 pm-5:22 am

1 stop10h 04m

Detroit Metropolitan Wayne County

Sun 9/27

7:01 am-4:41 pm

1 stop11h 40m

$680

Cheapest one-way

HelenaDetroit

HLN Helena - DTW Detroit Metropolitan Wayne County

HLNDTW

Helena

Sun 10/11

1:08 pm-11:59 pm

1 stop8h 51m

$339

HelenaDetroit

HLN Helena - DTW Detroit Metropolitan Wayne County

HLNDTW

Helena

Wed 10/14

6:25 am-11:38 pm

2 stops15h 13m

$352

Quickest one-way

HelenaDetroit

HLN Helena - DTW Detroit Metropolitan Wayne County

HLNDTW

Helena

Wed 10/14

6:25 am-2:33 pm

1 stop6h 08m

$448

HelenaDetroit

HLN Helena - DTW Detroit Metropolitan Wayne County

HLNDTW

Helena

Tue 9/22

2:26 pm-10:39 pm

1 stop6h 13m

$504

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 resultsSorted by cheapest first

How to get the cheapest flight ticket from Helena to Detroit

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 Helena to Detroit?

Delta and United Airlines are the most popular carriers operating from Helena to Detroit

What airlines fly to Detroit?

United Airlines, Delta and Southwest are the top three most popular airlines that fly to Detroit from Helena according to our data. United Airlines is the first choice among our users, with 48% of people opting to fly with this airline when traveling to Detroit. Keep in mind that there are 4 different airlines that fly to Detroit on a routine basis, so you have a few additional options to choose from.

When to book flights from Helena to Detroit

Are you open to changing your travel dates? Check out the ideal times to fly from Helena to Detroit according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Helena to Detroit (HLN to DTT) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Helena to Detroit

Best Price Found	$339
Fastest flight time	5h 52m
Direct flights	None

The best one-way flight to Detroit from Helena in the past 72 hours is $339. The best round-trip flight deal from Helena to Detroit found on momondo in the last 72 hours is $429.

The fastest flight from Helena to Detroit takes 5h 52m

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

Search flight deals

Frequently asked questions about flying from Helena to Detroit

How far is Helena to Detroit by plane?
Detroit is 1449.5 mi away from Helena. A reasonable flight in good conditions will take 5h 52m.
When did momondo last update prices for flights from Helena Airport to Detroit?
Prices for flights from Helena Airport to Detroit were last updated today.
How many operators does momondo search for flights from Helena Airport to Detroit?
As of September 2026, there is 1 operator available to choose from for flights from Helena Airport to Detroit.
How old do you have to be to fly from Helena Airport to Detroit?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Helena Airport to Detroit.
What documentation or ID do you need to fly to Detroit?
The necessary travel and health documents for your Detroit 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.

Best airlines flying from Helena to Detroit

Compare and see reviews for airlines that fly from Helena to Detroit with momondo

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $528	Free Cancellation	Rating 7.4 10,214 reviews		Search United Airlines flights

Roseville

Port Huron

Why use momondo?

Why should I use momondo to find a flight deal from Helena to Detroit?

It is quick and easy to find Helena to Detroit 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 Detroit that suits you.

Can I find flights from Helena to Detroit with flexible booking policies on momondo?

Flights from Helena to Detroit with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Helena to Detroit?

momondo helps you find the best flight between Helena and Detroit by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Helena to Detroit right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Helena to Detroit flights. All you need is a valid email address and we will do the rest; it is that quick and easy.