Helena

$316+ Cheap flights from Missouri to Helena (HLN)

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 8/13. Fares are subject to change and may not be available on all flights or dates of travel.
STL — HLN
Jun 18 — Jun 251
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Missouri to Helena 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 Missouri to Helena

Cheapest flights from Missouri to Helena
Explore the most affordable flight options available from Missouri to Helena. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 19, 2026.

This Delta deal was found by Cheapflights users on 5/14. 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.
Mon 7/67:02 am
MCI
-
HLN
1 stop6h 18m
Delta
Wed 7/155:40 am
HLN
-
MCI
1 stop7h 17m
Delta
Deal found 5/14$319
This Delta deal was found by Cheapflights users on 5/14. 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.
Fri 7/106:00 pm
MCI
-
HLN
1 stop5h 39m
Delta
Wed 7/155:40 am
HLN
-
MCI
1 stop7h 17m
Delta
Deal found 5/14$344
This Delta deal was found by Cheapflights users on 5/14. 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.
Mon 7/66:00 pm
MCI
-
HLN
1 stop5h 36m
Delta
Tue 7/145:40 am
HLN
-
MCI
2 stops8h 34m
Delta
Deal found 5/14$349
This Delta deal was found by Cheapflights users on 5/14. 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.
Fri 7/106:00 pm
MCI
-
HLN
1 stop5h 39m
Delta
Tue 7/145:40 am
HLN
-
MCI
2 stops8h 34m
Delta
Deal found 5/14$374
This Delta deal was found by Cheapflights users on 5/14. 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.
Sun 7/56:00 pm
MCI
-
HLN
1 stop5h 31m
Delta
Wed 7/155:40 am
HLN
-
MCI
1 stop7h 17m
Delta
Deal found 5/14$379
This Delta deal was found by Cheapflights users on 5/17. 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 7/45:00 pm
STL
-
HLN
1 stop6h 31m
Delta
Wed 7/85:40 am
HLN
-
STL
1 stop6h 53m
Delta
Deal found 5/17$404
This Delta deal was found by Cheapflights users on 5/14. 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.
Sun 7/56:00 pm
MCI
-
HLN
1 stop5h 31m
Delta
Tue 7/145:40 am
HLN
-
MCI
2 stops8h 34m
Delta
Deal found 5/14$409
This United Airlines deal was found by Cheapflights users on 5/17. 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 10/279:13 am
STL
-
HLN
1 stop5h 14m
United Airlines
Sat 10/312:30 pm
HLN
-
STL
1 stop5h 29m
United Airlines
Deal found 5/17$419
This Delta deal was found by Cheapflights users on 5/17. 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 7/45:00 pm
STL
-
HLN
1 stop6h 31m
Delta
Mon 7/61:00 pm
HLN
-
STL
2 stops30h 37m
Delta
Deal found 5/17$430
This Expedia deal was found by Cheapflights users on 5/16. 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.
Mon 8/107:56 pm
STL
-
HLN
1 stop21h 36m
Alaska Airlines
Tue 8/185:09 pm
HLN
-
STL
2 stops28h 46m
Alaska Airlines
Deal found 5/16$440
This Delta deal was found by Cheapflights users on 5/15. 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.
Wed 9/97:30 am
STL
-
HLN
1 stop5h 53m
Delta
Sun 9/135:45 am
HLN
-
STL
2 stops11h 17m
Delta
Deal found 5/15$449
This United Airlines deal was found by Cheapflights users on 5/18. 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 6/29:10 am
MCI
-
HLN
1 stop5h 23m
United Airlines
Sat 6/66:15 am
HLN
-
MCI
1 stop5h 28m
United Airlines
Deal found 5/18$459

Find flight deals from Missouri to Helena

Keep the following information in mind while searching for Missouri to Helena flight deals. Data was last updated May 19, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$319
(Delta)

One-way from

$316
(Alaska Airlines)
Provider with most accurate pricing for Lambert-St Louis-Helena flight deals.
Provider most trusted by Cheapflights users for Lambert-St Louis-Helena flights.
From Missouri to Helena
One-way flight from Missouri to Helena

Cheapflights Fare Finder

 
Customize your flight search to find flights from Missouri to Helena 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 May 19, 2026.
Use the filters below to find and compare flights from Missouri to Helena that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Kansas CityHelena

MCI - HLN

MCIHLN

Kansas City

Thu 7/9

6:00 pm-10:39 pm

1 stop5h 39m

Helena

Wed 7/15

5:40 am-3:14 pm

2 stops8h 34m

$324

Kansas CityHelena

MCI - HLN

MCIHLN

Kansas City

Mon 7/6

6:00 pm-10:36 pm

1 stop5h 36m

Helena

Tue 7/14

5:40 am-3:14 pm

2 stops8h 34m

$349

St. LouisHelena

STL - HLN

STLHLN

Lambert-St Louis

Tue 10/27

4:30 pm-8:59 pm

1 stop5h 29m

Helena

Sat 10/31

2:30 pm-8:59 pm

1 stop5h 29m

$419

St. LouisHelena

STL - HLN

STLHLN

Lambert-St Louis

Wed 9/9

7:30 am-12:23 pm

1 stop5h 53m

Helena

Sun 9/13

5:45 am-6:02 pm

2 stops11h 17m

$449

Kansas CityHelena

MCI - HLN

MCIHLN

Kansas City

Tue 6/2

9:10 am-1:33 pm

1 stop5h 23m

Helena

Sat 6/6

6:15 am-12:43 pm

1 stop5h 28m

$459

Kansas CityHelena

MCI - HLN

MCIHLN

Kansas City

Tue 10/27

3:11 pm-4:11 pm

1 stop26h 00m

Helena

Sat 10/31

4:48 pm-11:59 pm

1 stop6h 11m

$501

St. LouisHelena

STL - HLN

STLHLN

Lambert-St Louis

Fri 7/3

4:48 pm-9:20 pm

1 stop5h 32m

Helena

Sat 7/11

2:20 pm-8:43 pm

1 stop5h 23m

$576

Kansas CityHelena

MCI - HLN

MCIHLN

Kansas City

Fri 5/29

9:10 am-1:33 pm

1 stop5h 23m

Helena

Thu 6/4

2:20 pm-8:43 pm

1 stop5h 23m

$583

Kansas CityHelena

MCI - HLN

MCIHLN

Kansas City

Mon 7/6

5:24 pm-9:20 pm

1 stop4h 56m

Helena

Sat 7/11

2:20 pm-9:18 pm

1 stop5h 58m

$592
Quickest round-trip

SpringfieldHelena

SGF - HLN

SGFHLN

Springfield-Branson

Wed 10/28

8:50 am-1:27 pm

1 stop5h 37m

Helena

Sat 10/31

7:00 am-12:52 pm

1 stop4h 52m

$697

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/15

Showing 1-10 of 15 resultsSorted by cheapest first
1
2

Best time to book a flight from Missouri to Helena

Have a flexible travel schedule? Discover the best time to fly to Helena from Missouri 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 Missouri to Helena
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Missouri to Helena. 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 into for flights to Helena from Missouri?

    Located just 2.7 mi from the city center, Helena (HLN) is the airport most travelers will use when flying to Helena from Missouri.

  • How long is the flight from Missouri to Helena?

    Delta, United Airlines, and Alaska Airlines can get you from Missouri to Helena in just under 5h 29m. Your travel time can differ by up to 20h 31m. The distance between Missouri and Helena is about 1218 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

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

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

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

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

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

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

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.

Top airline flying from Missouri to Helena

Discover the top airline that operate flights from Missouri to Helena. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated May 19, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$378Average$519FlexibilityNo cancel feeOn-time69%

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.