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

Prices for flights from Helena Airport to Missouri refresh daily.

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

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

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

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Helena Airport to Missouri.

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

The necessary travel and health documents for your Missouri 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.

$319 Cheap Flights from Helena to Missouri in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Helena to Missouri

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

5:45 am - 1:23 pmHLN Helena-STL Lambert-St Louis

6h 38m1 stop Salt Lake City

7:30 am - 12:24 pmSTL Lambert-St Louis-HLN Helena

5h 54m1 stop Salt Lake City

$379Delta

Tue, Mar 16 - Sun, Mar 21

5:45 am - 4:50 pmHLN Helena-STL Lambert-St Louis

10h 05m2 stops Salt Lake City Detroit Metropolitan Wayne County

7:30 am - 12:24 pmSTL Lambert-St Louis-HLN Helena

5h 54m1 stop Salt Lake City

$384Delta

Tue, Mar 16 - Sun, Mar 21

7:00 am - 12:52 pmHLN Helena-MCI Kansas City

4h 52m1 stop Denver Intl

5:05 pm - 8:59 pmMCI Kansas City-HLN Helena

4h 54m1 stop Denver Intl

$454United Airlines

Wed, Mar 10 - Sat, Mar 13

1:08 pm - 11:21 pmHLN Helena-STL Lambert-St Louis

9h 13m2 stops Salt Lake City Minneapolis St Paul

7:45 am - 12:28 pmSTL Lambert-St Louis-HLN Helena

5h 43m1 stop Salt Lake City

$454Delta

Fri, Oct 30 - Tue, Nov 3

2:23 pm - 8:47 pmHLN Helena-MCI Kansas City

5h 24m1 stop Denver Intl

8:45 am - 1:40 pmMCI Kansas City-HLN Helena

5h 55m1 stop Denver Intl

$459United Airlines

Sat, Nov 14 - Wed, Nov 18

6:28 am - 12:28 pmHLN Helena-MCI Kansas City

5h 00m1 stop Denver Intl

6:00 am - 1:40 pmMCI Kansas City-HLN Helena

8h 40m2 stops Chicago O'Hare Intl Denver Intl

$464United Airlines

Sat, Nov 14 - Wed, Nov 18

6:28 am - 12:28 pmHLN Helena-MCI Kansas City

5h 00m1 stop Denver Intl

11:18 am - 9:31 pmMCI Kansas City-HLN Helena

11h 13m2 stops Chicago O'Hare Intl Denver Intl

$464United Airlines

Sat, Nov 14 - Wed, Nov 18

6:28 am - 12:38 pmHLN Helena-STL Lambert-St Louis

5h 10m1 stop Denver Intl

8:50 am - 1:40 pmSTL Lambert-St Louis-HLN Helena

5h 50m1 stop Denver Intl

$465United Airlines

Thu, Nov 12 - Sat, Nov 14

2:23 pm - 9:00 pmHLN Helena-STL Lambert-St Louis

5h 37m1 stop Denver Intl

4:39 pm - 9:31 pmSTL Lambert-St Louis-HLN Helena

5h 52m1 stop Denver Intl

$469United Airlines

Sat, Nov 7 - Tue, Nov 10

6:28 am - 12:38 pmHLN Helena-STL Lambert-St Louis

5h 10m1 stop Denver Intl

6:00 am - 1:40 pmSTL Lambert-St Louis-HLN Helena

8h 40m2 stops Chicago O'Hare Intl Denver Intl

$471United Airlines

Thu, Nov 12 - Sat, Nov 14

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Alaska Airlines flights from Helena to Missouri

Our best Alaska Airlines deals on Helena to Missouri flight tickets

Alaska Airlines

Nov 12

HLN4:41 pmHelena

20h 44m

1 stop

STL2:25 pmLambert-St Louis

Nov 14

STL6:00 amLambert-St Louis

11h 04m

1 stop

HLN4:04 pmHelena

$693

Alaska Airlines

Oct 26

HLN5:26 pmHelena

21h 18m

1 stop

STL3:44 pmLambert-St Louis

Oct 30

STL4:42 pmLambert-St Louis

25h 02m

1 stop

HLN4:44 pmHelena

$823

Alaska Airlines

Nov 12

HLN4:41 pmHelena

20h 44m

1 stop

STL2:25 pmLambert-St Louis

Nov 14

STL2:54 pmLambert-St Louis

26h 10m

2 stops

HLN4:04 pmHelena

$848

United Airlines flights from Helena to Missouri

Our best United Airlines deals on Helena to Missouri flight tickets

United Airlines

Mar 10

HLN7:00 amHelena

4h 52m

1 stop

MCI12:52 pmKansas City

Mar 13

MCI5:05 pmKansas City

4h 54m

1 stop

HLN8:59 pmHelena

$454

United Airlines

Nov 14

HLN2:23 pmHelena

5h 24m

1 stop

MCI8:47 pmKansas City

Nov 18

MCI8:45 amKansas City

5h 55m

1 stop

HLN1:40 pmHelena

$459

United Airlines

Nov 14

HLN6:28 amHelena

5h 00m

1 stop

MCI12:28 pmKansas City

Nov 18

MCI6:00 amKansas City

8h 40m

2 stops

HLN1:40 pmHelena

$464

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

HelenaSt. Louis

HLN Helena - STL Lambert-St Louis

HLNSTL

Helena

Tue 3/16

5:45 am-1:23 pm

1 stop6h 38m

Lambert-St Louis

Sun 3/21

7:30 am-12:24 pm

1 stop5h 54m

$379

HelenaSt. Louis

HLN Helena - STL Lambert-St Louis

HLNSTL

Helena

Tue 3/16

5:45 am-4:50 pm

2 stops10h 05m

Lambert-St Louis

Sun 3/21

7:30 am-12:24 pm

1 stop5h 54m

$384

Quickest round-trip

HelenaKansas City

HLN Helena - MCI Kansas City

HLNMCI

Helena

Wed 3/10

7:00 am-12:52 pm

1 stop4h 52m

Kansas City

Sat 3/13

5:05 pm-8:59 pm

1 stop4h 54m

$454

HelenaSt. Louis

HLN Helena - STL Lambert-St Louis

HLNSTL

Helena

Fri 10/30

1:08 pm-11:21 pm

2 stops9h 13m

Lambert-St Louis

Tue 11/3

7:45 am-12:28 pm

1 stop5h 43m

$454

HelenaKansas City

HLN Helena - MCI Kansas City

HLNMCI

Helena

Sat 11/14

2:23 pm-8:47 pm

1 stop5h 24m

Kansas City

Wed 11/18

8:45 am-1:40 pm

1 stop5h 55m

$459

HelenaKansas City

HLN Helena - MCI Kansas City

HLNMCI

Helena

Sat 11/14

6:28 am-12:28 pm

1 stop5h 00m

Kansas City

Wed 11/18

6:00 am-1:40 pm

2 stops8h 40m

$464

HelenaKansas City

HLN Helena - MCI Kansas City

HLNMCI

Helena

Sat 11/14

6:28 am-12:28 pm

1 stop5h 00m

Kansas City

Wed 11/18

11:18 am-9:31 pm

2 stops11h 13m

$464

HelenaSt. Louis

HLN Helena - STL Lambert-St Louis

HLNSTL

Helena

Thu 11/12

6:28 am-12:38 pm

1 stop5h 10m

Lambert-St Louis

Sat 11/14

8:50 am-1:40 pm

1 stop5h 50m

$465

HelenaSt. Louis

HLN Helena - STL Lambert-St Louis

HLNSTL

Helena

Sat 11/7

2:23 pm-9:00 pm

1 stop5h 37m

Lambert-St Louis

Tue 11/10

4:39 pm-9:31 pm

1 stop5h 52m

$469

HelenaSt. Louis

HLN Helena - STL Lambert-St Louis

HLNSTL

Helena

Thu 11/12

6:28 am-12:38 pm

1 stop5h 10m

Lambert-St Louis

Sat 11/14

6:00 am-1:40 pm

2 stops8h 40m

$471

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 15 resultsSorted by cheapest first

How to get the cheapest flight ticket from Helena to Missouri

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 Missouri?

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

What airlines fly to Missouri?

United Airlines, Delta and Southwest are the top three most popular airlines that fly to Missouri from Helena according to our data. United Airlines is the first choice among our users, with 59% of people opting to fly with this airline when traveling to Missouri. Keep in mind that there are 4 different airlines that fly to Missouri on a routine basis, so you have a few additional options to choose from.

Cheap Helena to Missouri flight deals and tips

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

Best Price Found	$319
Fastest flight time	4h 52m
Direct flights	None

The best one-way flight to Missouri from Helena in the past 72 hours is $319. The best round-trip flight deal from Helena to Missouri found on momondo in the last 72 hours is $379.

The fastest flight from Helena to Missouri takes 4h 52m

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

Search flight deals

Frequently asked questions about flying from Helena to Missouri

When did momondo last update prices for flights from Helena Airport to Missouri?
Prices for flights from Helena Airport to Missouri refresh daily.
How many operators does momondo search for flights from Helena Airport to Missouri?
As of October 2026, there is 1 operator available to choose from for flights from Helena Airport to Missouri.
How old do you have to be to fly from Helena Airport to Missouri?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Helena Airport to Missouri.
What documentation or ID do you need to fly to Missouri?
The necessary travel and health documents for your Missouri 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 Missouri

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

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $348	Free Cancellation	Rating 7.4 10,366 reviews		Search United Airlines flights

Why use momondo?

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

Finding the right flight to Missouri from Helena is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Missouri quick and easy, saving you time and money.

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

Yes. momondo enables you to select and highlight flights to Missouri from Helena with this policy.

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

momondo provides multiple filters to help you find the best flight to Missouri from Helena. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

If you are simply researching potential flights to Missouri, momondo offers a useful price alert feature which will track prices for flights to Missouri from Helena and alert you when they change.