HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Missouri

$220+ Cheap flights from Helena (HLN) to Missouri

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/25. Fares are subject to change and may not be available on all flights or dates of travel.
HLN — STL
Oct 14 — Oct 211
Tue 10/14
Tue 10/21
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Helena to Missouri with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Helena to Missouri

Keep the following information in mind while searching for Helena to Missouri flight deals. Data was last updated September 14, 2025.

Round-trip from

$389
(United Airlines)

One-way from

$220
(Delta)
From Helena to Missouri
Search Deals
One-way flight from Helena to Missouri
Search Deals

Find flight deals from Helena to Missouri

Cheapest flights from Helena to Missouri
Explore the most affordable flight options available from Helena to Missouri. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 14, 2025.

This United Airlines deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/75:18 pmHLN - STL
1 stop5h 40mUnited Airlines
Tue 10/144:50 pmSTL - HLN
1 stop5h 10mUnited Airlines
Deal found 9/13$389
This Expedia deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/306:13 pmHLN - MCI
1 stop18h 49mAlaska Airlines
Tue 11/44:49 pmMCI - HLN
2 stops25h 47mAlaska Airlines
Deal found 9/13$440
This United Airlines deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/302:22 pmHLN - MCI
1 stop5h 25mUnited Airlines
Tue 11/45:11 pmMCI - HLN
1 stop5h 11mUnited Airlines
Deal found 9/13$452
This Delta deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/275:33 amHLN - STL
1 stop8h 32mDelta
Tue 12/26:30 amSTL - HLN
1 stop6h 56mDelta
Deal found 9/12$484
This Alaska Airlines deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/76:18 pmHLN - STL
2 stops28h 08mAlaska Airlines
Tue 10/146:39 amSTL - HLN
2 stops12h 02mAlaska Airlines
Deal found 9/13$499
This United Airlines deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/262:22 pmHLN - MCI
1 stop5h 25mUnited Airlines
Wed 10/295:11 pmMCI - HLN
1 stop5h 11mUnited Airlines
Deal found 9/12$499
This Alaska Airlines deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/136:18 pmHLN - STL
2 stops27h 09mAlaska Airlines
Wed 10/153:57 pmSTL - HLN
1 stop26h 44mAlaska Airlines
Deal found 9/12$504
This United Airlines deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/42:30 pmHLN - MCI
1 stop5h 17mUnited Airlines
Sat 12/65:10 pmMCI - HLN
1 stop5h 12mUnited Airlines
Deal found 9/13$507
This United Airlines deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/275:18 pmHLN - MCI
1 stop5h 12mUnited Airlines
Wed 10/19:10 amMCI - HLN
1 stop8h 30mUnited Airlines
Deal found 9/12$531
This Delta deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/271:00 pmHLN - STL
1 stop7h 21mDelta
Sat 10/47:40 amSTL - HLN
1 stop5h 40mDelta
Deal found 9/12$539
This United Airlines deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/132:44 pmHLN - STL
1 stop5h 02mUnited Airlines
Wed 10/155:15 amSTL - HLN
1 stop9h 54mUnited Airlines
Deal found 9/12$564
This United Airlines deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/275:18 pmHLN - COU
1 stop26h 07mUnited Airlines
Wed 10/19:01 amCOU - HLN
1 stop8h 39mUnited Airlines
Deal found 9/11$577

Cheapflights Fare Finder

 
Customize your flight search to find flights from Helena to Missouri that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 14, 2025.
Use the filters below to find and compare flights from Helena to Missouri that are best for you.

Fly from

Helena

Fly to

Missouri

Route

Depart

Return

Price

HelenaSt. Louis

HLN - STL

HLNSTL

Helena

Tue 10/7

5:18 pm-11:58 pm

1 stop5h 40m

Lambert-St Louis

Tue 10/14

4:50 pm-9:00 pm

1 stop5h 10m

$389

HelenaSt. Louis

HLN - STL

HLNSTL

Helena

Sat 2/28

4:10 pm-11:56 pm

1 stop6h 46m

Lambert-St Louis

Tue 3/3

7:00 am-3:43 pm

1 stop9h 43m

$433

HelenaKansas City

HLN - MCI

HLNMCI

Helena

Thu 10/30

6:13 pm-2:02 pm

1 stop18h 49m

Kansas City

Tue 11/4

4:49 pm-5:36 pm

2 stops25h 47m

$440

HelenaKansas City

HLN - MCI

HLNMCI

Helena

Thu 10/30

2:22 pm-8:47 pm

1 stop5h 25m

Kansas City

Tue 11/4

5:11 pm-9:22 pm

1 stop5h 11m

$452

HelenaSt. Louis

HLN - STL

HLNSTL

Helena

Sat 2/28

2:30 pm-9:04 pm

1 stop5h 34m

Lambert-St Louis

Tue 3/3

6:45 am-1:27 pm

2 stops7h 42m

$474

HelenaSt. Louis

HLN - STL

HLNSTL

Helena

Thu 11/27

5:33 am-3:05 pm

1 stop8h 32m

Lambert-St Louis

Tue 12/2

6:30 am-12:26 pm

1 stop6h 56m

$484

HelenaSt. Louis

HLN - STL

HLNSTL

Helena

Tue 10/7

6:18 pm-11:26 pm

2 stops28h 08m

Lambert-St Louis

Tue 10/14

6:39 am-5:41 pm

2 stops12h 02m

$499

HelenaKansas City

HLN - MCI

HLNMCI

Helena

Sun 10/26

2:22 pm-8:47 pm

1 stop5h 25m

Kansas City

Wed 10/29

5:11 pm-9:22 pm

1 stop5h 11m

$499

HelenaKansas City

HLN - MCI

HLNMCI

Helena

Thu 12/4

2:30 pm-8:47 pm

1 stop5h 17m

Kansas City

Sat 12/6

5:10 pm-9:22 pm

1 stop5h 12m

$507

HelenaSt. Louis

HLN - STL

HLNSTL

Helena

Mon 10/13

6:18 pm-10:27 pm

2 stops27h 09m

Lambert-St Louis

Wed 10/15

9:43 am-5:41 pm

2 stops32h 58m

$509

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/12

Showing 1-10 of 24 results
1
2
3

Best time to book a flight from Helena to Missouri

Have a flexible travel schedule? Discover the best time to fly to Missouri from Helena with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Helena to Missouri

What is the cheapest month to book a flight from Helena to Missouri?

Currently, August is the cheapest month in which you can book a flight from Helena to Missouri (average of $311). Flying from Helena to Missouri in March is currently the most expensive (average of $356). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

Find useful and relevant information for your journey from Helena to Missouri. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Helena to Missouri?

    If you book a flight to Missouri from Helena, you will be flying from Helena, which is the city’s only airport. Helena (HLN) is located 2.7 mi from the center of Helena.

  • How long is the flight from Helena to Missouri?

    A quick flight from Helena to Missouri can take about 5h 40m. United Airlines provides one of the quickest options available for as low as $389. The distance from Helena to Missouri is about 1218 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines to fly from Helena to Missouri one-way?

    One-way options have recently been found by users for as low as $220 on Delta. Other airlines that offer cheap prices include United Airlines from $220 and Alaska Airlines from $262 one-way.

  • What are the most popular routes from Helena to Missouri?

    Most travelers choose Helena - Lambert-St Louis, Helena - Columbia Regional or Helena - Kansas City when deciding on the best route from Helena to Missouri.

  • Can I find deals for flights from Helena to Missouri that include hotel bookings?

    Yes. In addition to deals on Helena to Missouri flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Helena to Missouri?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Helena to Missouri.

  • Can I find deals for business class flights from Helena to Missouri?

    Yes. Cheapflights offers flight deals from Helena to Missouri by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Helena to Missouri?

    Currently, August is the cheapest month in which you can book a flight from Helena to Missouri (average of $311). Flying from Helena to Missouri in March is currently the most expensive (average of $356). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Helena to Missouri

See prices for flight routes from nearby airports that may be better suited for you.
Bozeman to Seattle flights
Bozeman to Minneapolis flights
Bozeman to Atlanta flights
Bozeman to Denver flights
Bozeman to San Francisco flights
Bozeman to San Diego flights
Bozeman to Las Vegas flights
Bozeman to Portland flights
Bozeman to Los Angeles flights
Missoula to O'Hare Intl flights
Bozeman to John F Kennedy Intl flights
Bozeman to Dallas/Fort Worth flights
Bozeman to O'Hare Intl flights
Bozeman to Newark flights
Missoula to Sky Harbor Intl flights
Kalispell to Dallas/Fort Worth flights
Bozeman to LaGuardia flights
Bozeman to Orlando flights
Bozeman to Dulles Intl flights
Kalispell to Denver flights
Kalispell to Seattle flights
Bozeman to Salt Lake City flights
Billings to Seattle flights
Bozeman to Reagan-National flights
Bozeman to Boston flights
Bozeman to Hobby flights
Missoula to Denver flights
Bozeman to Knoxville flights
Kalispell to Portland flights
Billings to Tampa flights
Bozeman to Baltimore flights
Billings to Denver flights
Bozeman to Ontario flights
Kalispell to Boston flights
Billings to San Antonio flights
Missoula to Minneapolis flights
Great Falls to Las Vegas flights
Missoula to San Francisco flights
Missoula to Seattle flights
Missoula to John F Kennedy Intl flights
Missoula to Los Angeles flights
Kalispell to San Diego flights
Billings to Dallas/Fort Worth flights
Kalispell to Salt Lake City flights
Bozeman to Sky Harbor Intl flights
Billings to John F Kennedy Intl flights
Great Falls to Seattle flights
Missoula to LaGuardia flights
Missoula to Newark flights
Great Falls to Providence flights

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.