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Flights from Kalispell to Seattle

What to know about flights from Kalispell to Seattle?

The distance between Kalispell and Seattle is approximately 607.17 km. It takes around 1 hour 37 minutes on average to fly from Kalispell to Seattle. Based on Trip.com's data, travel demand peaks in July.

Cheapest one-way
$139
Delta Air Lines Delta Air Lines FCA-SEA 5h 10m · 1 stop Tue, Sep 29
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Cheapest round-trip
$273
Alaska Airlines Alaska Airlines FCA-SEA 1h 37m · Nonstop Sat, Sep 26 - Tue, Sep 29
Select flight
Recommended airlines
Delta Air Lines Delta Air Lines Cheapest · From $139 Alaska Airlines Alaska Airlines Most booked
When to travel
November
Cheapest
July
Peak season for travel
Route details
607.17 km
Flight distance
1h 37m
Average flight time

Explore the cheapest one-way and round-trip flights from Kalispell to Seattle over the next 90 days, with one-way fares from $139 and round-trip from $273. Based on Trip.com's latest 7-day flight data.

      • Cheapest nonstop
        FCA 8:21 PM
        1h 37m
        Nonstop
        SEA 8:58 PM
        Kalispell - Seattle | Sat, Sep 26 | Alaska Airlines
        SEA 8:35 PM
        1h 21m
        Nonstop
        FCA 10:56 PM
        Seattle - Kalispell | Tue, Sep 29 | Alaska Airlines
        $273 $503
        46% off
        46% off
        $503 $273
      • FCA 7:45 PM
        1h 36m
        Nonstop
        SEA 8:21 PM
        Kalispell - Seattle | Wed, Oct 7 | Alaska Airlines
        SEA 9:59 AM
        1h 24m
        Nonstop
        FCA 12:23 PM
        Seattle - Kalispell | Sun, Oct 11 | Alaska Airlines
        $279 $503
        45% off
        45% off
        $503 $279
      • FCA 7:45 PM
        1h 36m
        Nonstop
        SEA 8:21 PM
        Kalispell - Seattle | Sat, Oct 10 | Alaska Airlines
        SEA 9:59 AM
        1h 22m
        Nonstop
        FCA 12:21 PM
        Seattle - Kalispell | Mon, Oct 12 | Alaska Airlines
        $298 $503
        41% off
        41% off
        $503 $298
      • FCA 7:45 PM
        1h 36m
        Nonstop
        SEA 8:21 PM
        Kalispell - Seattle | Fri, Oct 9 | Alaska Airlines
        SEA 4:45 PM
        1h 20m
        Nonstop
        FCA 7:05 PM
        Seattle - Kalispell | Mon, Oct 12 | Alaska Airlines
        $298
        41% off
        $503 $298
      • FCA 8:21 PM
        1h 37m
        Nonstop
        SEA 8:58 PM
        Kalispell - Seattle | Fri, Sep 25 | Alaska Airlines
        SEA 9:50 AM
        1h 30m
        Nonstop
        FCA 12:20 PM
        Seattle - Kalispell | Thu, Oct 1 | Alaska Airlines
        $331
        34% off
        $503 $331
      • FCA 5:30 AM
        4h 40m
        1 stop
        SEA 9:10 AM
        Kalispell - Seattle | Wed, Oct 7 | Delta Air Lines
        SEA 5:30 AM
        5h 7m
        1 stop
        FCA 11:37 AM
        Seattle - Kalispell | Sun, Oct 11 | Delta Air Lines
        $291
        42% off
        $503 $291
      • FCA 12:35 PM
        7h 17m
        1 stop
        SEA 6:52 PM
        Kalispell - Seattle | Sat, Oct 10 | Delta Air Lines
        SEA 9:43 AM
        6h 46m
        1 stop
        FCA 5:29 PM
        Seattle - Kalispell | Mon, Oct 12 | Delta Air Lines
        $309
        39% off
        $503 $309
      • FCA 6:09 PM
        6h 50m
        1 stop
        SEA 11:59 PM
        Kalispell - Seattle | Fri, Oct 9 | Delta Air Lines
        SEA 11:05 AM
        5h 24m
        1 stop
        FCA 5:29 PM
        Seattle - Kalispell | Mon, Oct 12 | Delta Air Lines
        $310
        38% off
        $503 $310
      • FCA 6:00 PM
        5h 5m
        1 stop
        SEA 10:05 PM
        Kalispell - Seattle | Fri, Sep 25 | Delta Air Lines
        SEA 5:45 AM
        5h 2m
        1 stop
        FCA 11:47 AM
        Seattle - Kalispell | Thu, Oct 1 | Delta Air Lines
        $311
        38% off
        $503 $311
      • FCA 6:00 PM
        5h 10m
        1 stop
        SEA 10:10 PM
        Kalispell - Seattle | Sat, Sep 26 | Delta Air Lines
        SEA 5:45 AM
        5h 2m
        1 stop
        FCA 11:47 AM
        Seattle - Kalispell | Tue, Sep 29 | Delta Air Lines
        $407
        19% off
        $503 $407
      • FCA 1:00 PM
        17h 25m
        1 stop
        SEA 2:00 PM
        Kalispell - Seattle | Mon, Sep 7 | Normal Airline
        SEA 3:00 PM
        6h
        Nonstop
        FCA 4:00 PM
        Seattle - Kalispell | Wed, Sep 9 | Normal Airline
        Find more flights
        Find more flights
      • Cheapest nonstop
        FCA 8:21 PM
        1h 37m
        Nonstop
        SEA 8:58 PM
        Kalispell - Seattle | Tue, Sep 29 | Alaska Airlines
        $154 $205
        25% off
        25% off
        $205 $154
      • FCA 8:21 PM
        1h 37m
        Nonstop
        SEA 8:58 PM
        Kalispell - Seattle | Wed, Sep 30 | Alaska Airlines
        $154 $205
        25% off
        25% off
        $205 $154
      • FCA 8:21 PM
        1h 37m
        Nonstop
        SEA 8:58 PM
        Kalispell - Seattle | Wed, Sep 9 | Alaska Airlines
        $159 $205
        22% off
        22% off
        $205 $159
      • FCA 7:45 PM
        1h 36m
        Nonstop
        SEA 8:21 PM
        Kalispell - Seattle | Sat, Oct 3 | Alaska Airlines
        $166
        19% off
        $205 $166
      • FCA 6:00 PM
        5h 10m
        1 stop
        SEA 10:10 PM
        Kalispell - Seattle | Tue, Sep 29 | Delta Air Lines
        $139
        32% off
        $205 $139
      • FCA 6:00 PM
        5h 10m
        1 stop
        SEA 10:10 PM
        Kalispell - Seattle | Wed, Sep 30 | Delta Air Lines
        $140
        32% off
        $205 $140
      • FCA 6:00 PM
        5h 10m
        1 stop
        SEA 10:10 PM
        Kalispell - Seattle | Sat, Oct 3 | Delta Air Lines
        $150
        27% off
        $205 $150
      • FCA 4:15 PM
        5h 25m
        1 stop
        SEA 8:40 PM
        Kalispell - Seattle | Sun, Nov 1 | Alaska Airlines
        $152
        26% off
        $205 $152
      • FCA 5:30 AM
        4h 29m
        1 stop
        SEA 8:59 AM
        Kalispell - Seattle | Fri, Oct 2 | Delta Air Lines
        $157
        23% off
        $205 $157
      • FCA 11:59 AM
        7h 31m
        1 stop
        SEA 6:30 PM
        Kalispell - Seattle | Sun, Nov 1 | Delta Air Lines
        $163
        20% off
        $205 $163
      • FCA 1:00 PM
        17h 25m
        1 stop
        SEA 2:00 PM
        Kalispell - Seattle | Mon, Sep 7 | Normal Airline
        Find more flights
        Find more flights

Flight.News
Flights from Kalispell to Seattle operate an average of 11 times per day over the past 7 days, with a 59.2% on-time departure rate and a 83.1% on-time arrival rate.

Which airlines are the most popular for Kalispell to Seattle flights?

You can choose from 1 airlines that fly from Kalispell to Seattle, including Alaska Airlines, Delta Air Lines has lowest fares on this route.
Alaska Airlines logo Alaska Airlines
Airlines are determined based on actual purchased flight tickets from Kalispell to Seattle according to previous 12 months data from Trip.com.

Frequently Asked Questions

  • What are the cheapest flights from Kalispell to Seattle (FCA-SEA)?

    Based on Trip.com data, Delta Air Lines offers one-way fares as low as $139 on Cheapest nonstop routes (e.g. FCA to SEA on Tue, Sep 29), while Alaska Airlines offers Cheapest nonstop round-trips from $273 departing on Sat, Sep 26 and returning on Tue, Sep 29.
  • At the moment, you can catch a nonstop flight from Kalispell to Seattle with the following airlines, including: Alaska Airlines Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.
  • It takes around 1 hour 37 minutes to fly from Kalispell (FCA) to Seattle (SEA).
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Kalispell to Seattle is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.
  • Based on Trip.com data in the past 4 weeks, there is 25 flight per week flying from Kalispell to Seattle. You can check the weekly schedule for popular airlines on this route below: Alaska Airlines: S/M/T/W/T/F/S -- AS2244 (06:24)
  • To find best deals on flights from Kalispell to Seattle, you can use various tools on Trip.com:
    · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Tue, Sep 29, with one-way flights priced at just $139.
    · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Alaska Airlines.
    · Set up price alerts to easily monitor ticket prices without having to check every day.
    · Check Trip.com flight deals and promo codes frequently.
    · Avoid peak season unless you book very early. It seems the peak season for Seattle travel is around July.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Kalispell to Seattle is November, when demand for travel is lower.
  • After crunching the numbers on our September flight calendar, it's currently cheapest to fly from Kalispell to Seattle on September 22, 2026 with Alaska Airlines, with prices starting at $143.
  • You can arrive at any of the following airports in Seattle: Seattle-Tacoma International Airport (SEA), King County (Boeing Field) International Airport (BFI), and Kenmore Air Harbor Seaplane Base (LKE). Flights from Glacier Park International Airport to Seattle-Tacoma International Airport (FCA-SEA) are by far the most popular option for this route.
  • The time difference between Seattle and Kalispell is 1h.
  • Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.
  • Based on Trip.com data for flights departing in the next 30 days, the average one-way fare from Kalispell to Seattle is $361. Fares vary by travel date, airline and availability.
  • Based on Trip.com data for travel in the next 30 days, the average round-trip fare from Kalispell to Seattle is $373. The final price depends on the outbound and return dates, airline and fare conditions.
  • Enter Kalispell and Seattle, choose your travel dates and passengers, then compare flights by price, duration and baggage. Select a fare, review the change and cancellation rules, enter traveler details and complete payment to receive your confirmation.

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Note: Prices shown on this page are estimated lowest price and include all taxes and fees found in the last 24 hours.

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Prices displayed in this page are all-inclusive prices (incl. taxes, fuel surcharge, civil aviation development fund, etc) with all fees confirmed before payment. Fees for luggage, meals, WLAN, or other additional services are also included as shown in the flight cards.

Real-time pricing updates

Prices, availability, and travel information on this page were updated within last 24 hours—even in real-time. The more popular the route, the more precise the data.

Change & Cancellation Policy

Trip.com displays flight cancellation and change policies for each flight ticket during the booking process, including fees and applicable conditions. Please check the following scenarios:
Voluntary cancellation/change:
To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy.
Cancellation/change due to a flight schedule change:
If the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.