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Cheap Flights from Seattle to Helena starting at S$ 98

We've found these cheap flights for you. You can book one-way or return flight tickets.

  • One way
  • Round-trip

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

Cheapest time to fly from Seattle to Helena

We monitor flight fares to help you find the best deals effortlessly

Displayed prices are calculated based on the lowest average weekly prices of the corresponding route on Trip.com.
Cheapest Airlines flying from Seattle to Helena

Compare prices, find the option that best suits your travel needs, and enjoy a comfortable journey with a trusted airline.

Alaska Airlines
From S$ 98
Delta Air Lines
From S$ 241
United Airlines
From S$ 277
ANA airlines

Find more flights and airlines

Alternative Routes from Seattle to Helena

Searching for potential routes that might be cheaper and faster? Check out these alternative flights from Seattle to Helena.

  • Cheapest
    Alaska Airlines
    SEA
    11:46
    1h 37m
    Direct
    HLN
    14:23
    Seattle-Tacoma International Airport - Helena Regional Airport
    Sat, May 18Alaska Airlines
    S$ 98
  • Alaska Airlines
    SEA
    11:46
    1h 37m
    Direct
    HLN
    14:23
    Seattle-Tacoma International Airport - Helena Regional Airport
    Sat, May 18Alaska Airlines
    S$ 98
    Find More Flights

Frequently Asked Questions

  • When to buy flight tickets from Seattle (SEA) to Helena (HLN) the cheapest?

    Airlines adjust prices for flights from Seattle to Helena based on the date and time of your booking. By analyzing data from all airlines, on Trip.com, you can find the cheapest flight prices on Tuesdays, Wednesdays, and Saturdays.
  • How much is a flight from Seattle (SEA) to Helena (HLN) cost?

    According to Trip.com's data, the lowest price is around S$ 498.
  • How long is a flight from Seattle (SEA) to Helena (HLN)?

    It takes about 1 hour 41 minutes to fly from Seattle (SEA) to Helena (HLN).
  • What time does the earliest flight from Seattle to Helena depart?

    The earliest flight departs from Seattle (SEA) at 07:50 and arrives in Helena (HLN) at 10:25.
  • What are the most popular airlines that fly from Seattle (SEA) to Helena (HLN)?

    Airlines with flights from Seattle (SEA) to Helena (HLN): Alaska Airlines and Korean Air.
  • What's the most popular airline for direct flights from Seattle (SEA) to Helena (HLN)?

    Alaska Airlines operates 1 direct flights from Seattle (SEA) to Helena (HLN).
  • How many airports in Helena?

    There are 1 airports near Helena: Helena Regional Airport.

Find cheapest flight ticket from Seattle to Helena

Cheapest direct flight price

S$ 98

Cheapest return ticket price

S$ 222

Cheapest month

April

Peak season for travel

October