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Helena Regional Airport to Seattle-Tacoma International Airport flight
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Cheap Flights from Helena Regional Airport to Seattle-Tacoma International Airport

Search for flights from Helena to Seattle. Find affordable one-way or round-trip flights.

  • One way
  • Round-trip
sortSort by: Lowest Price
  • Sort by: Lowest Price
  • Sort by: Earliest Flight
      • HLN15:01
        1h 44m
        Direct
        SEA15:45
        Helena - Seattle|Sat, May 18|Alaska Airlines
        £66£124
        47% OFF
        47% OFF
        £124£66
      • HLN15:01
        1h 44m
        Direct
        SEA15:45
        Helena - Seattle|Sun, May 19|Alaska Airlines
        £84£124
        32% OFF
        32% OFF
        £124£84
      • HLN15:01
        1h 44m
        Direct
        SEA15:45
        Helena - Seattle|Sat, Jun 8|Alaska Airlines
        £85£124
        31% OFF
        31% OFF
        £124£85
      • HLN15:01
        1h 44m
        Direct
        SEA15:45
        Helena - Seattle|Mon, Jun 3|Alaska Airlines
        £86
        £86
      • HLN15:01
        1h 44m
        Direct
        SEA15:45
        Helena - Seattle|Thu, Jun 6|Alaska Airlines
        £86
        £86
      • HLN15:01
        1h 44m
        Direct
        SEA15:45
        Helena - Seattle|Sun, May 26|Alaska Airlines
        £89
        £89
      • HLN15:42
        1h 46m
        Direct
        SEA16:28
        Helena - Seattle|Sun, Jun 16|Alaska Airlines
        £89
        £89
      • HLN15:42
        1h 46m
        Direct
        SEA16:28
        Helena - Seattle|Tue, Jun 18|Alaska Airlines
        £89
        £89
      • HLN15:42
        1h 46m
        Direct
        SEA16:28
        Helena - Seattle|Thu, Jun 20|Alaska Airlines
        £89
        £89
      • HLN15:01
        1h 44m
        Direct
        SEA15:45
        Helena - Seattle|Fri, May 24|Alaska Airlines
        £89
        £89
      • HLN13:00
        3h 5m
        Direct
        SEA14:00
        Helena - Seattle|Thu, May 23|Alaska Airlines
        Find More Flights
        Find More Flights

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Selected Airlines from Helena Regional Airport to Seattle-Tacoma International Airport

View airlines operating flights from Helena to Seattle. Compare prices and find the airline that meets your travel needs to enjoy a comfortable journey.

Alaska Airlines
From £66
Delta Air Lines
From £186
United Airlines
From £190
ANA airlines
Find more flights and airlines
Flight Schedule from Helena Regional Airport to Seattle-Tacoma International Airport

Check on the flight schedule from Helena to Seattle to find the flight that matches your travel plan.

Flight info.
Departure
Arrival
Weekly Schedule

  1. AS2268

    Alaska Airlines

    07:00

    HLN

    1.8h

    Direct

    07:49

    SEA

    SMT-TFS
    Search

  2. UA4686

    United Airlines

    14:25

    HLN

    2.1h

    16:33

    DEN

    SMTWTFS
    Search

  3. UA2201

    United Airlines

    19:18

    DEN

    2.9h

    21:13

    SEA

    SMTWTFS

  4. AS2348

    Alaska Airlines

    15:42

    HLN

    1.8h

    Direct

    16:28

    SEA

    SMTWTFS
    Search
Find more flights and airlines

Helena Regional Airport to Seattle-Tacoma International Airport Flights Info

Flight distance787.34km
Cheapest one-way ticket price£66
Cheapest return ticket price£140

FAQs for Helena Regional Airport to Seattle-Tacoma International Airport Flights

  • How long is a flight from Helena Regional Airport to Seattle-Tacoma International Airport?

    It takes around 1 hour 47 minutes to fly from Helena Regional Airport (HLN) to Seattle-Tacoma International Airport (SEA).

  • How many daily flights are there from Helena Regional Airport (HLN) to Seattle-Tacoma International Airport (SEA)?

    There are around 2 daily flights from Helena Regional Airport (HLN) to Seattle-Tacoma International Airport (SEA).

  • When are flight tickets from Helena Regional Airport (HLN) to Seattle-Tacoma International Airport (SEA) the cheapest?

    Tickets cost around £93 in June, making it the cheapest month to book. Helena Regional Airport (HLN) to Seattle-Tacoma International Airport (SEA) is a popular route, so don't forget to book your tickets in advance.

  • When are flight tickets from Helena Regional Airport (HLN) to Seattle-Tacoma International Airport (SEA) most expensive?

    The route from Helena Regional Airport (HLN) to Seattle-Tacoma International Airport (SEA) is quite popular. Without considering departure times or holidays, tickets cost around £93 in June, the most expensive month to book this route.

  • What is the transportation method from the main airport to downtown in Seattle?

    • The distance from Seattle-Tacoma International Airport to downtown is about 17km. It takes about 30 minutes by taxi.

  • Which airline operates the most direct flights from Helena Regional Airport (HLN) to Seattle-Tacoma International Airport (SEA)?

    Alaska Airlines is a very popular airline operating an average of 35 flights per month.

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