$151+ Cheap flights from Kalispell to Seattle (FCA - SEA)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/5. Fares are subject to change and may not be available on all flights or dates of travel.
FCA — SEA
Oct 7 — Oct 141
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Kalispell to Seattle with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Kalispell to Seattle
Cheapest
Best
Last-minute
One-way
Cheapest flights from Kalispell to SeattleExplore the most affordable flight options available from Kalispell to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 7, 2026.
Explore the most affordable flight options available from Kalispell to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 7, 2026.
This Alaska Airlines deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/248:01 am -
Nonstop1h 39m
Wed 10/289:59 am -
Nonstop1h 24m
Deal found 9/6![Alaska Airlines logo]()
$287
This Alaska Airlines deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/177:45 pm -
Nonstop1h 36m
Fri 10/234:45 pm -
Nonstop1h 20m
Deal found 9/2![Alaska Airlines logo]()
$292
This Alaska Airlines deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/56:34 pm -
Nonstop1h 35m
Mon 11/99:39 pm -
Nonstop1h 20m
Deal found 9/6![Alaska Airlines logo]()
$297
This Delta deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals ”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/195:30 am -
1 stop4h 40m
Wed 10/215:30 am -
1 stop5h 07m
Deal found 9/2![Delta logo]()
$302
This Delta deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/195:30 am -
1 stop4h 40m
Thu 10/225:30 am -
1 stop5h 07m
Deal found 9/2![Delta logo]()
$307
This Alaska Airlines deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/147:45 pm -
Nonstop1h 36m
Sat 10/179:59 am -
Nonstop1h 24m
Deal found 9/6![Alaska Airlines logo]()
$317
This Alaska Airlines deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/207:55 pm -
Nonstop1h 38m
Tue 12/19:37 pm -
Nonstop1h 22m
Deal found 9/6![Alaska Airlines logo]()
$321
This Alaska Airlines deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/157:45 pm -
Nonstop1h 36m
Sat 10/179:59 am -
Nonstop1h 24m
Deal found 9/6![Alaska Airlines logo]()
$322
This Booking.com deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/157:45 pm -
Nonstop1h 36m
Mon 10/198:39 pm -
Nonstop1h 20m
Deal found 9/6![Alaska Airlines logo]()
$324
This Delta deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/56:13 pm -
1 stop4h 52m
Mon 11/95:35 am -
1 stop4h 56m
Deal found 9/6![Delta logo]()
$327
This Gotogate deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/241:03 pm -
1 stop19h 06m
Sun 10/259:59 am -
Nonstop1h 24m
Deal found 9/3![Alaska Airlines logo]()
$328
Best flights from Kalispell to SeattleDiscover carefully curated flight deals from Kalispell to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 7, 2026.
Discover carefully curated flight deals from Kalispell to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 7, 2026.
This Alaska Airlines deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/56:34 pm -
Nonstop1h 35m
Mon 11/99:39 pm -
Nonstop1h 20m
Deal found 9/4![Alaska Airlines logo]()
$297
This Delta deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/276:13 pm -
1 stop4h 52m
Fri 10/3011:05 am -
1 stop5h 28m
Deal found 9/2![Delta logo]()
$302
This Delta deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/56:13 pm -
1 stop4h 52m
Sun 11/85:30 am -
1 stop5h 07m
Deal found 9/3![Delta logo]()
$307
This Alaska Airlines deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/16:08 pm -
Nonstop1h 37m
Sat 10/39:59 am -
Nonstop1h 24m
Deal found 9/3![Alaska Airlines logo]()
$347
This Delta deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/16:00 pm -
1 stop6h 59m
Sat 10/311:22 am -
1 stop4h 56m
Deal found 9/3![Delta logo]()
$332
This Alaska Airlines deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/241:03 pm -
1 stop21h 07m
Wed 10/284:45 pm -
Nonstop1h 20m
Deal found 9/6![Alaska Airlines logo]()
$350
This Delta deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/56:13 pm -
1 stop4h 52m
Mon 11/95:35 am -
1 stop4h 56m
Deal found 9/4![Delta logo]()
$358
Last-minute flights from Kalispell to SeattleDiscover last-minute flight deals from Kalispell to Seattle. Data last updated September 7, 2026 and is based on user searches.
Discover last-minute flight deals from Kalispell to Seattle. Data last updated September 7, 2026 and is based on user searches.
This Alaska Airlines deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/147:45 pm -
Nonstop1h 36m
Sat 10/179:59 am -
Nonstop1h 24m
Deal found 9/6![Alaska Airlines logo]()
$317
This Alaska Airlines deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/157:45 pm -
Nonstop1h 36m
Sat 10/179:59 am -
Nonstop1h 24m
Deal found 9/6![Alaska Airlines logo]()
$322
This Booking.com deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/157:45 pm -
Nonstop1h 36m
Mon 10/198:39 pm -
Nonstop1h 20m
Deal found 9/6![Alaska Airlines logo]()
$324
This Alaska Airlines deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/167:45 pm -
Nonstop1h 36m
Mon 10/269:59 am -
Nonstop1h 24m
Deal found 9/2![Alaska Airlines logo]()
$297
This Priceline deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/167:45 pm -
Nonstop1h 36m
Tue 10/208:40 am -
1 stop3h 43m
Deal found 9/6![Alaska Airlines logo]()
$327
This Alaska Airlines deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/177:45 pm -
Nonstop1h 36m
Fri 10/234:45 pm -
Nonstop1h 20m
Deal found 9/2![Alaska Airlines logo]()
$292
This Alaska Airlines deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/177:45 pm -
Nonstop1h 36m
Thu 10/224:45 pm -
Nonstop1h 20m
Deal found 9/2![Alaska Airlines logo]()
$332
This Delta deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/195:30 am -
1 stop4h 40m
Wed 10/215:30 am -
1 stop5h 07m
Deal found 9/2![Delta logo]()
$302
This Delta deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/195:30 am -
1 stop4h 40m
Thu 10/225:30 am -
1 stop5h 07m
Deal found 9/2![Delta logo]()
$307
This Kiwi.com deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/198:08 pm -
2 stops23h 37m
Sun 10/259:16 pm -
1 stop12h 41m
Deal found 9/2![Multiple Airlines logo]()
$329
This Alaska Airlines deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/248:01 am -
Nonstop1h 39m
Wed 10/289:59 am -
Nonstop1h 24m
Deal found 9/6![Alaska Airlines logo]()
$287
This Gotogate deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/241:03 pm -
1 stop19h 06m
Sun 10/259:59 am -
Nonstop1h 24m
Deal found 9/3![Alaska Airlines logo]()
$328
One-way flights from Kalispell to SeattleSearch for one-way flight options from Kalispell to Seattle. Find affordable one-way fares based on user searches. Data last updated September 7, 2026.
Search for one-way flight options from Kalispell to Seattle. Find affordable one-way fares based on user searches. Data last updated September 7, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/53:08 pm -
2 stops28h 28m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![Multiple Airlines logo]()
$151
This Delta deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/235:11 am -
1 stop5h 01m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Delta logo]()
$154
This Delta deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/35:30 am -
1 stop4h 29m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Delta logo]()
$159
This deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/127:37 pm -
Nonstop1h 36m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![Alaska Airlines logo]()
$174
This Priceline deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/157:45 pm -
Nonstop1h 36m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![Alaska Airlines logo]()
$179
This Delta deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/156:13 pm -
1 stop6h 46m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![Delta logo]()
$195
This Kiwi.com deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/128:08 pm -
2 stops23h 37m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Multiple Airlines logo]()
$199
This Alaska Airlines deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/18:21 pm -
Nonstop1h 37m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Alaska Airlines logo]()
$204
This Priceline deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/201:03 pm -
1 stop3h 46m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![Alaska Airlines logo]()
$214
This Priceline deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/37:45 pm -
Nonstop1h 36m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Alaska Airlines logo]()
$219
Find flight deals from Kalispell to Seattle
Discover tips and strategies to find the most affordable flight options for your journey from Kalispell (FCA) to Seattle (SEA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 7, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $287 (Alaska Airlines) |
One-way from | $151 (Kiwi.com) |
Popular in | May |
Cheapest in | January |
Average price | $457 |
Good round-trip deal | $417 or less |
Good one-way deal | $308 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Kalispell to Seattle that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated September 7, 2026.
Use the filters below to find and compare flights from Kalispell to Seattle that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
KalispellSeattle
FCA Kalispell Glacier Park - SEA Seattle/Tacoma Intl
FCASEA
Kalispell Glacier Park
Mon 11/23
5:11 am-9:12 am
1 stop5h 01m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$154
KalispellSeattle
FCA Kalispell Glacier Park - SEA Seattle/Tacoma Intl
FCASEA
Kalispell Glacier Park
Thu 10/15
6:13 pm-11:59 pm
1 stop6h 46m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$195
KalispellSeattle
FCA Kalispell Glacier Park - SEA Seattle/Tacoma Intl
FCASEA
Kalispell Glacier Park
Mon 11/23
7:02 am-7:48 am
Nonstop1h 46m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$204
Quickest round-trip
KalispellSeattle
FCA Kalispell Glacier Park - SEA Seattle/Tacoma Intl
FCASEA
Kalispell Glacier Park
Thu 10/1
8:21 pm-8:58 pm
Nonstop1h 37m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$204
KalispellSeattle
FCA Kalispell Glacier Park - SEA Seattle/Tacoma Intl
FCASEA
Kalispell Glacier Park
Fri 9/18
6:08 pm-6:45 pm
Nonstop1h 37m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$234
KalispellSeattle
FCA Kalispell Glacier Park - SEA Seattle/Tacoma Intl
FCASEA
Kalispell Glacier Park
Thu 9/17
5:30 am-8:59 am
1 stop4h 29m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$244
KalispellSeattle
FCA Kalispell Glacier Park - SEA Seattle/Tacoma Intl
FCASEA
Kalispell Glacier Park
Thu 11/5
6:34 pm-7:09 pm
Nonstop1h 35m
Seattle/Tacoma Intl
Mon 11/9
9:39 pm-11:59 pm
Nonstop1h 20m
$297
KalispellSeattle
FCA Kalispell Glacier Park - SEA Seattle/Tacoma Intl
FCASEA
Kalispell Glacier Park
Tue 10/27
6:13 pm-10:05 pm
1 stop4h 52m
Seattle/Tacoma Intl
Fri 10/30
11:05 am-5:33 pm
1 stop5h 28m
$302
KalispellSeattle
FCA Kalispell Glacier Park - SEA Seattle/Tacoma Intl
FCASEA
Kalispell Glacier Park
Thu 11/5
6:13 pm-10:05 pm
1 stop4h 52m
Seattle/Tacoma Intl
Sun 11/8
5:30 am-11:37 am
1 stop5h 07m
$307
KalispellSeattle
FCA Kalispell Glacier Park - SEA Seattle/Tacoma Intl
FCASEA
Kalispell Glacier Park
Thu 10/1
6:00 pm-11:59 pm
1 stop6h 59m
Seattle/Tacoma Intl
Sat 10/3
11:22 am-5:18 pm
1 stop4h 56m
$332
Showing 1-10 of 13 resultsSorted by cheapest first
Compare providers for flights from Kalispell to Seattle
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Kalispell to Seattle in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Kalispell-Seattle flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Kalispell-Seattle flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Kalispell-Seattle flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Kalispell-Seattle flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Kalispell-Seattle flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Kalispell to Seattle
Have a flexible travel schedule? Discover the best time to fly to Seattle from Kalispell with our price prediction graph.
FCA-SEA
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Kalispell to Seattle
Prices
Airlines
What is the cheapest month to book a flight from Kalispell to Seattle?
Currently, January is the cheapest month in which you can book a flight from Kalispell to Seattle (average of $177). Flying from Kalispell to Seattle in May is currently the most expensive (average of $667). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from FCA to SEA?
Find hourly flight availability from Kalispell to Seattle. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 7, 2026.
A simple way to save on the total cost of your ticket is to fly from Kalispell to Seattle in the evening. If you’re flexible enough to do this you can expect to save up to 25% on your trip compared to booking a flight in the morning.
What is the cheapest day to fly from Kalispell to Seattle?
Use this chart to determine the cheapest time to fly round-trip from Kalispell to Seattle. Price data was last updated on September 5, 2026.
Travelers seeking maximum savings on their Kalispell to Seattle flight should consider departing on Saturday evenings when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
Reviews of airlines servicing Seattle
Get insights into the airlines that provide service to Seattle. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Seattle. Reviews last updated September 7, 2026.
Get a feel of what it's like to fly with Alaska Airlines from Kalispell to Seattle by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
7.0
Comfort
7.8
Boarding
8.1
Crew
8.5
Entertainment
7.0
Overall
7.9
Reviews
1 / 20
8.0
ExcellentAnonymous,Jun 2026
RDU - SEA
Food
7.0
Comfort
7.8
Boarding
8.1
Crew
8.5
Entertainment
7.0
Overall
7.9
Reviews
1 / 20
8.0
ExcellentAnonymous,Jun 2026
RDU - SEA
Related info for your journey
Find useful and relevant information for your journey from Kalispell to Seattle. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Seattle?
Book flights to Seattle if you plan to visit one of these locationsSeaTac
Renton
Tacoma
Lacey
Leavenworth
Olympia
Tukwila
Edmonds
Snoqualmie
Puyallup
Lynnwood
Centralia
Kent
Tumwater
Ellensburg
Issaquah
Marysville
Ocean Shores
Lakewood
Fife
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Other flights from Kalispell
Popular flights
Seattle flight routes
Alternative routes for Kalispell to Seattle
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Seattle by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Kalispell to Seattle by cabin class
Find flights from Kalispell to Seattle, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Kalispell and Seattle flights
Browse other Kalispell and Seattle flight options. Last updated on September 7, 2026.
Other flights from Kalispell
Browse through other flights departing from Kalispell. Flights are based on user searches made on Cheapflights and were last updated on September 7, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Other flights to Seattle
Explore flights to Seattle departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 7, 2026.
Top airline flying from Kalispell to Seattle
Discover the top airline that operate flights from Kalispell to Seattle. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated September 7, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$147 | Average$370 | FlexibilityNo cancel fee | On-time75% |