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 August 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.

1:08 pm - 11:59 pm

HLN

DTW

8h 51m

1 stop

8:15 am - 12:28 pm

DTW

HLN

6h 13m

1 stop

$339Delta

Thu, Oct 8 - Sun, Oct 11

1:08 pm - 11:59 pm

HLN

DTW

8h 51m

1 stop

8:15 am - 12:28 pm

DTW

HLN

6h 13m

1 stop

$359Delta

Thu, Oct 8 - Sun, Oct 11

5:18 pm - 5:22 am

HLN

DTW

10h 04m

1 stop

7:01 am - 4:41 pm

DTW

HLN

11h 40m

1 stop

$359Alaska Airlines

Wed, Sep 16 - Sat, Sep 26

1:08 pm - 11:59 pm

HLN

DTW

8h 51m

1 stop

8:15 am - 12:28 pm

DTW

HLN

6h 13m

1 stop

$369Delta

Thu, Oct 8 - Sun, Oct 11

1:08 pm - 11:59 pm

HLN

DTW

8h 51m

1 stop

8:15 am - 12:28 pm

DTW

HLN

6h 13m

1 stop

$389Delta

Thu, Oct 8 - Sun, Oct 11

12:57 pm - 11:59 pm

HLN

DTW

9h 02m

1 stop

2:00 pm - 10:29 pm

DTW

HLN

10h 29m

2 stops

$394Delta

Thu, Sep 10 - Sat, Sep 19

1:08 pm - 11:59 pm

HLN

DTW

8h 51m

1 stop

8:15 am - 12:28 pm

DTW

HLN

6h 13m

1 stop

$409Delta

Thu, Oct 8 - Sun, Oct 11

12:57 pm - 11:59 pm

HLN

DTW

9h 02m

1 stop

8:25 am - 12:17 pm

DTW

HLN

5h 52m

1 stop

$419Delta

Thu, Sep 17 - Sat, Sep 26

6:28 am - 2:27 pm

HLN

DTW

5h 59m

1 stop

3:24 pm - 9:31 pm

DTW

HLN

8h 07m

1 stop

$429United Airlines

Sat, Oct 31 - Wed, Nov 4

6:28 am - 2:27 pm

HLN

DTW

5h 59m

1 stop

7:26 am - 1:40 pm

DTW

HLN

8h 14m

2 stops

$434United Airlines

Sat, Oct 31 - Wed, Nov 4

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Delta flights from Helena to Detroit

Our best Delta deals on Helena to Detroit flight tickets

Delta

Oct 8

HLN1:08 pmHelena

8h 51m

1 stop

DTW11:59 pmDetroit Metropolitan Wayne County

Oct 11

DTW8:15 amDetroit Metropolitan Wayne County

6h 13m

1 stop

HLN12:28 pmHelena

$339

Delta

Oct 8

HLN1:08 pmHelena

8h 51m

1 stop

DTW11:59 pmDetroit Metropolitan Wayne County

Oct 11

DTW8:15 amDetroit Metropolitan Wayne County

6h 13m

1 stop

HLN12:28 pmHelena

$369

Delta

Oct 8

HLN1:08 pmHelena

8h 51m

1 stop

DTW11:59 pmDetroit Metropolitan Wayne County

Oct 11

DTW8:15 amDetroit Metropolitan Wayne County

6h 13m

1 stop

HLN12:28 pmHelena

$389

United Airlines flights from Helena to Detroit

Our best United Airlines deals on Helena to Detroit flight tickets

United Airlines

Oct 31

HLN6:28 amHelena

5h 59m

1 stop

DTW2:27 pmDetroit Metropolitan Wayne County

Nov 4

DTW3:24 pmDetroit Metropolitan Wayne County

8h 07m

1 stop

HLN9:31 pmHelena

$429

United Airlines

Oct 31

HLN6:28 amHelena

5h 59m

1 stop

DTW2:27 pmDetroit Metropolitan Wayne County

Nov 4

DTW7:26 amDetroit Metropolitan Wayne County

8h 14m

2 stops

HLN1:40 pmHelena

$434

United Airlines

Oct 31

HLN6:28 amHelena

12h 30m

2 stops

DTW8:58 pmDetroit Metropolitan Wayne County

Nov 4

DTW10:49 amDetroit Metropolitan Wayne County

12h 42m

2 stops

HLN9:31 pmHelena

$439

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

HelenaDetroit

HLN - DTW

HLNDTW

Helena

Thu 10/8

1:08 pm-11:59 pm

1 stop8h 51m

Detroit Metropolitan Wayne County

Sun 10/11

8:15 am-12:28 pm

1 stop6h 13m

$339

HelenaDetroit

HLN - DTW

HLNDTW

Helena

Thu 10/8

1:08 pm-11:59 pm

1 stop8h 51m

Detroit Metropolitan Wayne County

Sun 10/11

8:15 am-12:28 pm

1 stop6h 13m

$359

HelenaDetroit

HLN - DTW

HLNDTW

Helena

Wed 9/16

5:18 pm-5:22 am

1 stop10h 04m

Detroit Metropolitan Wayne County

Sat 9/26

7:01 am-4:41 pm

1 stop11h 40m

$359

HelenaDetroit

HLN - DTW

HLNDTW

Helena

Thu 10/8

1:08 pm-11:59 pm

1 stop8h 51m

Detroit Metropolitan Wayne County

Sun 10/11

8:15 am-12:28 pm

1 stop6h 13m

$369

HelenaDetroit

HLN - DTW

HLNDTW

Helena

Thu 10/8

1:08 pm-11:59 pm

1 stop8h 51m

Detroit Metropolitan Wayne County

Sun 10/11

8:15 am-12:28 pm

1 stop6h 13m

$389

HelenaDetroit

HLN - DTW

HLNDTW

Helena

Thu 9/10

12:57 pm-11:59 pm

1 stop9h 02m

Detroit Metropolitan Wayne County

Sat 9/19

2:00 pm-10:29 pm

2 stops10h 29m

$394

HelenaDetroit

HLN - DTW

HLNDTW

Helena

Thu 10/8

1:08 pm-11:59 pm

1 stop8h 51m

Detroit Metropolitan Wayne County

Sun 10/11

8:15 am-12:28 pm

1 stop6h 13m

$409

HelenaDetroit

HLN - DTW

HLNDTW

Helena

Thu 9/17

12:57 pm-11:59 pm

1 stop9h 02m

Detroit Metropolitan Wayne County

Sat 9/26

8:25 am-12:17 pm

1 stop5h 52m

$419

Quickest round-trip

HelenaDetroit

HLN - DTW

HLNDTW

Helena

Sat 10/31

6:28 am-2:27 pm

1 stop5h 59m

Detroit Metropolitan Wayne County

Wed 11/4

3:24 pm-9:31 pm

1 stop8h 07m

$429

HelenaDetroit

HLN - DTW

HLNDTW

Helena

Sat 10/31

6:28 am-2:27 pm

1 stop5h 59m

Detroit Metropolitan Wayne County

Wed 11/4

7:26 am-1:40 pm

2 stops8h 14m

$434

Flights are sorted by cheapest round-trip flights first.

Sorted 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 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 49% 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

Fastest flight time	6h 11m
Direct flights	None

The fastest flight from Helena to Detroit takes 6h 11m

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 6h 11m.
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 August 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 $509	Free Cancellation	Rating 7.4 10,062 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.