Cheap Flights from St. Louis to Helena
We've found these cheap flights for you. You can book one-way or return flight tickets.
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Flights from St. Louis to Helena Starting at NZD 299
We've found these cheap flights for you. You can book one-way or return flight tickets.
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Round-trip
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One way
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STL 06:449h 55m1 stopsHLN 15:39St. Louis - Helena | Wed, Mar 26 | Alaska Airlines
HLN 16:196h 40m1 stopsSTL 23:59Helena - St. Louis | Tue, Apr 1 | Alaska AirlinesNZD 554 NZD 85235% OFF35% OFFNZD 852 NZD 554 -
STL 06:449h 55m1 stopsHLN 15:39St. Louis - Helena | Tue, Mar 25 | Alaska Airlines
HLN 16:196h 40m1 stopsSTL 23:59Helena - St. Louis | Mon, Mar 31 | Alaska AirlinesNZD 575 NZD 85232% OFF32% OFFNZD 852 NZD 575
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STL 06:449h 55m1 stopsHLN 15:39St. Louis - Helena | Thu, Mar 27 | Alaska Airlines
HLN 16:196h 40m1 stopsSTL 23:59Helena - St. Louis | Wed, Apr 2 | Alaska AirlinesNZD 576 NZD 85232% OFF32% OFFNZD 852 NZD 576
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STL 16:305h 56m1 stopsHLN 21:26St. Louis - Helena | Tue, Mar 25 | United Airlines
HLN 16:196h 40m1 stopsSTL 23:59Helena - St. Louis | Mon, Mar 31 | Alaska AirlinesNZD 64624% OFFNZD 852 NZD 646 -
STL 16:305h 56m1 stopsHLN 21:26St. Louis - Helena | Sat, Mar 29 | United Airlines
HLN 16:196h 40m1 stopsSTL 23:59Helena - St. Louis | Fri, Apr 4 | Alaska AirlinesNZD 64624% OFFNZD 852 NZD 646
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STL 08:485h 42m1 stopsHLN 13:30St. Louis - Helena | Tue, Apr 1 | United Airlines
HLN 16:196h 40m1 stopsSTL 23:59Helena - St. Louis | Mon, Apr 7 | Alaska AirlinesNZD 64924% OFFNZD 852 NZD 649
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STL 06:449h 55m1 stopsHLN 15:39St. Louis - Helena | Tue, Apr 1 | Alaska Airlines
HLN 16:196h 40m1 stopsSTL 23:59Helena - St. Louis | Mon, Apr 7 | Alaska AirlinesNZD 66222% OFFNZD 852 NZD 662
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STL 06:449h 55m1 stopsHLN 15:39St. Louis - Helena | Fri, Apr 11 | Alaska Airlines
HLN 16:196h 40m1 stopsSTL 23:59Helena - St. Louis | Thu, Apr 17 | Alaska AirlinesNZD 66722% OFFNZD 852 NZD 667
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STL 07:405h 58m1 stopsHLN 12:38St. Louis - Helena | Wed, Apr 23 | Delta Air Lines
HLN 05:456h 43m1 stopsSTL 13:28Helena - St. Louis | Sun, Apr 27 | Delta Air LinesNZD 68320% OFFNZD 852 NZD 683 -
STL 08:206h 20m1 stopsHLN 13:40St. Louis - Helena | Wed, Mar 26 | United Airlines
HLN 14:126h 38m1 stopsSTL 21:50Helena - St. Louis | Tue, Apr 1 | United AirlinesNZD 69918% OFFNZD 852 NZD 699
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STL 13:0017h 25m1 stopsHLN Invalid DateSt. Louis - Helena | Wed, Mar 26 | Normal Airline
HLN 15:006hNonstopSTL 16:00Helena - St. Louis | Fri, Mar 28 | Normal AirlineFind More FlightsFind More Flights
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STL 17:006h 37m1 stopsHLN 22:37St. Louis - Helena | Sat, Mar 29 | Delta Air LinesNZD 299 NZD 1,93685% OFF85% OFFNZD 1,936 NZD 299
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STL 16:305h 56m1 stopsHLN 21:26St. Louis - Helena | Sat, Mar 29 | United AirlinesNZD 349 NZD 1,93682% OFF82% OFFNZD 1,936 NZD 349
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STL 06:449h 55m1 stopsHLN 15:39St. Louis - Helena | Sun, Mar 30 | Alaska AirlinesNZD 525 NZD 1,93673% OFF73% OFFNZD 1,936 NZD 525
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STL 16:455h 40m1 stopsHLN 21:25St. Louis - Helena | Sun, Mar 30 | United AirlinesNZD 59070% OFFNZD 1,936 NZD 590
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STL 08:206h 20m1 stopsHLN 13:40St. Louis - Helena | Tue, Mar 25 | United AirlinesNZD 69964% OFFNZD 1,936 NZD 699
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STL 06:449h 55m1 stopsHLN 15:39St. Louis - Helena | Tue, Mar 25 | Hawaiian AirlinesNZD 71563% OFFNZD 1,936 NZD 715 -
STL 06:449h 55m1 stopsHLN 15:39St. Louis - Helena | Tue, Mar 25 | Alaska AirlinesNZD 88155% OFFNZD 1,936 NZD 881
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STL 16:1522h 25m1 stopsHLN 13:40St. Louis - Helena | Tue, Mar 25 | Southwest AirlinesNZD 1,58818% OFFNZD 1,936 NZD 1,588 -
STL 13:0017h 25m1 stopsHLN Invalid DateSt. Louis - Helena | Wed, Mar 26 | Normal AirlineFind More FlightsFind More Flights
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FAQ
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When are flight tickets from St. Louis (STL) to Helena (HLN) the cheapest?
Airlines adjust prices for flights from St. Louis to Helena based on the departure date and time of your selection. By analyzing data from all airlines, we've discovered that on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays. -
How much do flights from St. Louis (STL) to Helena (HLN) cost?
According to Trip.com's data, the lowest price is around NZD 916.
How to find a cheap flight from St. Louis to Helena
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Flight Information from St. Louis to Helena
| Cheapest one-way flight price | NZD 299 |
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| Off-season for travel | March |
| Peak season for travel | January |
| Flight distance | 1,983.91 km |
| Popular airline | Alaska Airlines |