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Helena

$329+ Cheap flights from Missouri to Helena (HLN)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/28. Fares are subject to change and may not be available on all flights or dates of travel.
STL — HLN
Aug 27 — Sep 31
Thu 8/27
Thu 9/3
1 adult, Economy
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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 July 28, 2026.

This Delta deal was found by Cheapflights users on 7/27. 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 8/287:00 am
MCI
-
HLN
1 stop6h 15m
Delta
Tue 9/15:40 am
HLN
-
MCI
1 stop7h 28m
Delta
Deal found 7/27$329
This Delta deal was found by Cheapflights users on 7/27. 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 8/276:01 pm
MCI
-
HLN
1 stop5h 29m
Delta
Mon 8/315:40 am
HLN
-
MCI
2 stops14h 07m
Delta
Deal found 7/27$334
This United Airlines deal was found by Cheapflights users on 7/23. 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 8/254:40 pm
STL
-
HLN
1 stop5h 50m
United Airlines
Sat 8/296:15 am
HLN
-
STL
1 stop5h 25m
United Airlines
Deal found 7/23$339
This United Airlines deal was found by Cheapflights users on 7/27. 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.
Fri 8/2811:22 am
MCI
-
HLN
2 stops11h 08m
United Airlines
Tue 9/16:15 am
HLN
-
MCI
2 stops10h 15m
United Airlines
Deal found 7/27$339
This Alaska Airlines deal was found by Cheapflights users on 7/22. 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.
Sat 12/57:00 am
STL
-
HLN
1 stop9h 31m
Alaska Airlines
Wed 12/94:08 pm
HLN
-
STL
1 stop6h 51m
Alaska Airlines
Deal found 7/22$364
This United Airlines deal was found by Cheapflights users on 7/24. 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.
Fri 8/219:00 am
STL
-
HLN
1 stop5h 45m
United Airlines
Fri 8/286:15 am
HLN
-
STL
2 stops11h 56m
United Airlines
Deal found 7/24$378
This Alaska Airlines deal was found by Cheapflights users on 7/26. 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.
Sat 10/316:17 am
MCI
-
HLN
1 stop11h 32m
Alaska Airlines
Tue 11/34:41 pm
HLN
-
MCI
1 stop6h 18m
Alaska Airlines
Deal found 7/26$416
This United Airlines deal was found by Cheapflights users on 7/26. 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 10/311:04 pm
MCI
-
HLN
2 stops9h 27m
United Airlines
Tue 11/36:28 am
HLN
-
MCI
1 stop5h 00m
United Airlines
Deal found 7/26$424
This United Airlines deal was found by Cheapflights users on 7/26. 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 12/51:08 pm
STL
-
HLN
2 stops8h 51m
United Airlines
Wed 12/92:30 pm
HLN
-
STL
1 stop5h 29m
United Airlines
Deal found 7/26$434
This Expedia deal was found by Cheapflights users on 7/25. 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.
Tue 8/186:02 am
STL
-
HLN
1 stop11h 30m
Alaska Airlines
Tue 8/255:11 pm
HLN
-
STL
1 stop19h 55m
Alaska Airlines
Deal found 7/25$439
This United Airlines deal was found by Cheapflights users on 7/27. 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 8/115:13 pm
MCI
-
HLN
1 stop5h 17m
United Airlines
Sat 8/156:15 am
HLN
-
MCI
1 stop5h 22m
United Airlines
Deal found 7/27$469
This United Airlines deal was found by Cheapflights users on 7/26. 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 10/319:05 am
SGF
-
HLN
1 stop5h 35m
United Airlines
Wed 11/42:23 pm
HLN
-
SGF
1 stop5h 38m
United Airlines
Deal found 7/26$540

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 July 28, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$329
(Delta)
Provider with most accurate pricing for Lambert-St Louis-Helena flight deals.
Search Deals
Provider most trusted by Cheapflights users for Lambert-St Louis-Helena flights.
Search Deals
From Missouri to Helena
Search Deals

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 July 28, 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

Fri 8/28

9:14 am-1:45 pm

1 stop5h 31m

Helena

Tue 9/1

6:15 am-5:30 pm

2 stops10h 15m

$334

Kansas CityHelena

MCI - HLN

MCIHLN

Kansas City

Thu 8/27

6:01 pm-10:30 pm

1 stop5h 29m

Helena

Mon 8/31

5:40 am-8:47 pm

2 stops14h 07m

$334
Quickest round-trip

St. LouisHelena

STL - HLN

STLHLN

Lambert-St Louis

Fri 8/21

9:00 am-1:45 pm

1 stop5h 45m

Helena

Fri 8/28

2:35 pm-8:46 pm

1 stop5h 11m

$339

St. LouisHelena

STL - HLN

STLHLN

Lambert-St Louis

Tue 8/25

4:40 pm-9:30 pm

1 stop5h 50m

Helena

Sat 8/29

6:15 am-12:40 pm

1 stop5h 25m

$339

St. LouisHelena

STL - HLN

STLHLN

Lambert-St Louis

Sat 12/5

7:00 am-3:31 pm

1 stop9h 31m

Helena

Wed 12/9

4:08 pm-11:59 pm

1 stop6h 51m

$364

Kansas CityHelena

MCI - HLN

MCIHLN

Kansas City

Sat 10/31

6:17 am-4:49 pm

1 stop11h 32m

Helena

Tue 11/3

4:41 pm-11:59 pm

1 stop6h 18m

$416

Kansas CityHelena

MCI - HLN

MCIHLN

Kansas City

Sat 10/31

6:17 am-4:49 pm

1 stop11h 32m

Helena

Wed 11/4

4:41 pm-11:59 pm

1 stop6h 18m

$416

Kansas CityHelena

MCI - HLN

MCIHLN

Kansas City

Sat 10/31

1:04 pm-9:31 pm

2 stops9h 27m

Helena

Tue 11/3

6:28 am-12:28 pm

1 stop5h 00m

$424

Kansas CityHelena

MCI - HLN

MCIHLN

Kansas City

Sat 10/31

1:04 pm-9:31 pm

2 stops9h 27m

Helena

Wed 11/4

6:28 am-12:28 pm

1 stop5h 00m

$424

St. LouisHelena

STL - HLN

STLHLN

Lambert-St Louis

Sat 12/5

1:08 pm-8:59 pm

2 stops8h 51m

Helena

Wed 12/9

2:30 pm-8:59 pm

1 stop5h 29m

$434

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/27

Showing 1-10 of 11 resultsSorted by cheapest first
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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 31m. Your travel time can differ by up to 4h. The distance between Missouri and Helena is about 1005 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?

    Most travelers choose Kansas City - Helena, Lambert-St Louis - Helena or Springfield-Branson - Helena when deciding on the best route 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

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Top 2 airlines flying from Missouri to Helena

Discover the top 2 airlines 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 July 28, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$318Average$572FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$378Average$519FlexibilityNo cancel feeOn-time69%

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