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Flights from Harrisburg to Seattle Starting at £122

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.

Find the best time to fly from Harrisburg to Seattle

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

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.
Airlines Flying from Harrisburg to Seattle

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

Allegiant Air
From £122
Frontier Airlines
From £158
Alaska Airlines
From £179
Delta Air Lines
From £186
United Airlines
From £192
American Airlines
From £206
ANA airlines

Find more flights and airlines

Alternative Routes from Harrisburg to Seattle

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

  • Cheapest
    Allegiant Air
    MDT
    16:33
    20h 30m
    1 transfer
    SEA
    10:03
    Harrisburg International Airport - Seattle-Tacoma International Airport
    Mon, Apr 22Allegiant Air
    £122
  • Allegiant Air
    MDT
    16:33
    20h 30m
    1 transfer
    SEA
    10:03
    Harrisburg International Airport - Seattle-Tacoma International Airport
    Mon, Apr 22Allegiant Air
    £122
    Find More Flights

How do I find the cheapest flights?

  • When are flight tickets from Harrisburg (HAR) to Seattle (SEA) the cheapest?

    Airlines adjust prices for flights from Harrisburg to Seattle 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 are flights from Harrisburg (HAR) to Seattle (SEA) cost?

    According to Trip.com's data, the lowest price is around £515.
  • 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, by taxi about 30 minutes.
  • How many airports in Seattle (SEA)?

Flight Information from Harrisburg to Seattle

Cheapest direct flight price

£121

Cheapest month

November

Peak season for travel

October