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$189 Cheap Flights from Santa Rosa (STS) to Kalispell (FCA)

View $189 flight on Wed, Oct 28, 2026Opens in a new window

Popular airlines from Santa Rosa, CA (STS-Sonoma County) to Glacier Park Intl. Airport (FCA)

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Cheap Flights from Santa Rosa to Kalispell (STS-FCA)

Prices were available within the past 7 days and start at $189 for one-way flights and $400 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Wed, Oct 28 - Mon, Nov 2
STS
Santa Rosa
FCA
Kalispell
$400 Roundtrip, found 5 days ago
$400
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Wed, Oct 28 from Santa Rosa to Kalispell, returning Mon, Nov 2, priced at $400 found 5 days ago
Alaska Airlines
Wed, Oct 28 - Mon, Nov 2
STS
Santa Rosa
FCA
Kalispell
$403 Roundtrip, found 5 days ago
$403
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Wed, Oct 28 from Santa Rosa to Kalispell, returning Mon, Nov 2, priced at $403 found 5 days ago
Alaska Airlines
Wed, Oct 28 - Mon, Nov 2
STS
Santa Rosa
FCA
Kalispell
$411 Roundtrip, found 5 days ago
$411
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Wed, Oct 28 from Santa Rosa to Kalispell, returning Mon, Nov 2, priced at $411 found 5 days ago
Alaska Airlines
Sat, Oct 3 - Sat, Oct 10
STS
Santa Rosa
FCA
Kalispell
$414 Roundtrip, found 2 days ago
$414
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Sat, Oct 3 from Santa Rosa to Kalispell, returning Sat, Oct 10, priced at $414 found 2 days ago
Alaska Airlines
Wed, Oct 28 - Mon, Nov 2
STS
Santa Rosa
FCA
Kalispell
$420 Roundtrip, found 5 days ago
$420
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Wed, Oct 28 from Santa Rosa to Kalispell, returning Mon, Nov 2, priced at $420 found 5 days ago
Alaska Airlines
Wed, Sep 30 - Sat, Oct 3
STS
Santa Rosa
FCA
Kalispell
$422 Roundtrip, found 4 days ago
$422
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Wed, Sep 30 from Santa Rosa to Kalispell, returning Sat, Oct 3, priced at $422 found 4 days ago
Alaska Airlines
Wed, Sep 30 - Sat, Oct 3
STS
Santa Rosa
FCA
Kalispell
$424 Roundtrip, found 4 days ago
$424
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Wed, Sep 30 from Santa Rosa to Kalispell, returning Sat, Oct 3, priced at $424 found 4 days ago
Alaska Airlines
Tue, Nov 10 - Sat, Nov 14
STS
Santa Rosa
FCA
Kalispell
$424 Roundtrip, found 3 days ago
$424
Roundtrip
found 3 days ago
Select Alaska Airlines flight, departing Tue, Nov 10 from Santa Rosa to Kalispell, returning Sat, Nov 14, priced at $424 found 3 days ago
Alaska Airlines
Wed, Oct 28 - Mon, Nov 2
STS
Santa Rosa
FCA
Kalispell
$426 Roundtrip, found 5 days ago
$426
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Wed, Oct 28 from Santa Rosa to Kalispell, returning Mon, Nov 2, priced at $426 found 5 days ago
Delta
Wed, Oct 28 - Mon, Nov 2
STS
Santa Rosa
FCA
Kalispell
$435 Roundtrip, found 5 days ago
$435
Roundtrip
found 5 days ago
Select Delta flight, departing Wed, Oct 28 from Santa Rosa to Kalispell, returning Mon, Nov 2, priced at $435 found 5 days ago

Find the cheapest month to fly from Santa Rosa (STS) to Kalispell (FCA)

January is typically the cheapest month to fly

From $250 - $989 per traveler.

What you need to know for your flight from Sonoma County to Glacier Park Intl.

Santa Rosa (STS) to Kalispell (FCA) at a glance

Embark on your journey from Santa Rosa (STS) to Kalispell (FCA) with a selection of airlines catering to this domestic short-haul route. Whether you're seeking the cheapest flights from STS or prefer a full-service experience, you'll find various options to match your budget and schedule. Explore Kalispell's renowned attractions and neighborhoods while easily accessing key information for flights from Sonoma County Airport to Glacier Park International Airport.

  • Fastest (typical) flight duration: around 3h 30m in-flight, plus roughly 50 minutes layover with one stop
  • Route distance: roughly 800 miles (1,290 km)
  • Flights per week: around 7 departures on average
  • Typical fares (one-way): economy tickets often range from $90–$495, depending on seasonality and how far ahead you book

Flights from Sonoma County Airport (STS) to Glacier Park International Airport (FCA)

Based on recent traveler bookings, here are the top airlines favored for flights from Santa Rosa to Kalispell, particularly for one-stop and multi-stop journeys. Common layover points include Seattle-Tacoma International Airport (SEA) with approximately a 50-minute layover and Portland International Airport (PDX) featuring about a 2-hour layover. This variety allows you to balance cost, total travel time, and cabin class while finding the best itinerary for your trip.

  • Alaska Airlines: This comprehensive airline provides both one-stop and multi-stop options, with one-way ticket prices generally between $180 and $645. Alaska Airlines operates around 92% of the flights on this route, with a typical one-stop flight lasting around 3 hours and 30 minutes in the air, and an overall travel duration of approximately 4 hours and 30 minutes.

Alternative routes from Santa Rosa (STS) to Kalispell (FCA)

  • Novato to Kalispell (NOT-FCA): Gnoss Field Airport (NOT) is located approximately 29 miles from Sonoma County Airport (STS).
  • Napa to Kalispell (APC-FCA): Napa Valley Airport (APC) lies around 35 miles distant from Sonoma County Airport (STS).

How to find the best prices for flights from Santa Rosa (STS) to Kalispell (FCA)

Getting some of the best deals on flights from Santa Rosa to Kalispell is all about timing and flexibility. Here are some key tips to help you save:

  1. Best times to book and fly: cheaper fares are usually found when booking within two weeks, although most travelers tend to book 2-8 weeks in advance. Departures in the morning (5 a.m. to 12 p.m.) often offer lower prices and are the most popular times to fly. Additionally, traveling on Tuesday provides both cheaper rates and is the most favored day for flying.
  2. Set up price alerts: stay updated on price changes by using Expedia's Price Tracker. Receive alerts when fares drop for your selected route.
  3. Bundle and save: bundle your flight and hotel to save on Expedia, or unlock a hotel deal after booking your flight.* Find Kalispell hotel and flight deals.
  4. Compare flight options: use Expedia's search tool to compare airlines, routes, direct vs. non-direct flights, and flight times. You can also sort by price to find the most affordable options.
  5. Stay flexible with dates: being open to different travel days can sometimes help you find better prices on flights and hotels.
  6. Think about luggage: nowadays, it's important to check the airline's baggage policies to find the best value. That may be paying for an additional carry-on bag or booking a ticket with checked luggage included. Either way, double-check your allowance before confirming your booking to avoid excess baggage fees at the airport.

*Members only. Savings vary and are not available on all bundles. Select hotels.

Arriving at Glacier Park International Airport from Sonoma County Airport

Kalispell welcomes travelers from Santa Rosa with a range of transport options based on price, convenience, and proximity. For departures, Sonoma County Airport is roughly a 10-minute drive (covering about 9 miles) from central Santa Rosa. Here's how to reach Kalispell efficiently:

  • Hotel transfer: Transfers offer a convenient way to reach your hotel in Kalispell, with options including free hotel shuttles and private rides, which can be arranged in advance with your hotel.
  • Car rental: Renting a car from Glacier Park International Airport is a great option if you plan to explore and sightsee beyond the city. Browse cheap car rentals at Glacier Park International Airport on Expedia.
  • Taxi/ride-hailing: Taxis and ride-hailing services may be available from designated pickup areas outside the terminal, check locally on arrival.
  • Public transportation: From Glacier Park International Airport, Whitefish Seaport, a seaport, is located approximately 8.1 miles away, while Whitefish Depot, a train station, is about 8.3 miles from the airport.

Frequently asked questions

How much does a flight from Santa Rosa, CA (STS-Sonoma County) to Kalispell, MT (FCA-Glacier Park Intl.) cost?
You can find cheap one-way flights from $189 and cheap return flights from $400 Santa Rosa, CA (STS-Sonoma County) to Kalispell, MT (FCA-Glacier Park Intl.) with Expedia. One-way flights typically cost between $493 and $1453, and return flights often range between $374 and $1316. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Santa Rosa, CA (STS-Sonoma County) to Kalispell, MT (FCA-Glacier Park Intl.) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Santa Rosa, CA (STS-Sonoma County) to Kalispell, MT (FCA-Glacier Park Intl.)?
The cheapest month to fly from STS to FCA is October when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you're able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Santa Rosa, CA (STS-Sonoma County) to Kalispell, MT (FCA-Glacier Park Intl.)?
Enter STS to FCA and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Santa Rosa, CA (STS-Sonoma County) to Kalispell, MT (FCA-Glacier Park Intl.)?
Alaska Airlines is one of the cheapest airlines offering connecting flights from Santa Rosa, CA (STS) to Kalispell, MT (FCA) with a layover in Los Angeles Intl. (LAX), starting from around $935 for a round-trip ticket. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from Santa Rosa, CA (STS-Sonoma County) to Kalispell, MT (FCA-Glacier Park Intl.)?
To find a cheap flight from Santa Rosa, CA (STS-Sonoma County) to Kalispell, MT (FCA-Glacier Park Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Santa Rosa, CA (STS-Sonoma County) to Kalispell, MT (FCA-Glacier Park Intl.)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
What is the earliest flight from Santa Rosa, CA (STS-Sonoma County) to Kalispell, MT (FCA-Glacier Park Intl.)?
The earliest flight from Santa Rosa (STS) to Kalispell (FCA) typically departs at around 6:00 AM, operated by Alaska Airlines. This seasonal service is available in December, making it a great choice for early travelers looking to enjoy the scenic beauty of Montana. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from Santa Rosa, CA (STS-Sonoma County) to Kalispell, MT (FCA-Glacier Park Intl.)?
The most popular departure times for flights from Santa Rosa (STS) to Kalispell (FCA) are in the early morning, from 6am to 9am. About 59% of passengers prefer this time window. Many major carriers, including Alaska Airlines, operate flights during this time. This timing is popular because it allows you to arrive in Kalispell early and enjoy the day ahead.
Can you fly business or first class from Santa Rosa, CA (STS-Sonoma County) to Kalispell, MT (FCA-Glacier Park Intl.)?
Select the "Business class" and "First class" filters when looking for STS to FCA flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a Santa Rosa, CA (STS-Sonoma County) to Kalispell, MT (FCA-Glacier Park Intl.) flight with Expedia?
It's easy to earn miles on a Santa Rosa, CA (STS-Sonoma County) to Kalispell, MT (FCA-Glacier Park Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Kalispell from Sonoma County (STS)?
If you're planning to travel to Kalispell from Sonoma County (STS), you can fly into Glacier Park Intl. (FCA) Some flights may connect through major hubs like Los Angeles Intl. (LAX), John Wayne (SNA), San Diego Intl. (SAN) before reaching Kalispell. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Santa Rosa, CA (STS-Sonoma County) to Kalispell, MT (FCA-Glacier Park Intl.) at the last minute?
Typically, booking a last minute flight from Santa Rosa, CA (STS-Sonoma County) to Kalispell, MT (FCA-Glacier Park Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Santa Rosa, CA (STS-Sonoma County) to Kalispell, MT (FCA-Glacier Park Intl.) flight and hotel package?
Securing a Santa Rosa, CA (STS-Sonoma County) to Kalispell, MT (FCA-Glacier Park Intl.) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Santa Rosa, CA (STS-Sonoma County) to Kalispell, MT (FCA-Glacier Park Intl.)?
If you booked your Santa Rosa, CA (STS-Sonoma County) to Kalispell, MT (FCA-Glacier Park Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Sonoma County
Destination airport
Glacier Park Intl.
Airlines serving
Alaska Airlines
Roundtrip price
$394
Distance
800 mi

Book with confidence

Santa Rosa to Kalispell Flights

The cheapest times to fly from Santa Rosa to Kalispell

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Santa Rosa to Kalispell are during the month of October. You can find some of the cheapest flights from Santa Rosa to Kalispell with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Santa Rosa to Kalispell

Sunday is one of the best days to book for cheap flights from Santa Rosa to Kalispell: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Santa Rosa to Kalispell

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Santa Rosa to Kalispell in 2026. You can also book with separate airlines for your outbound and return journeys, from $189 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Santa Rosa to Kalispell flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Santa Rosa to Kalispell airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Santa Rosa to Kalispell Flights

*Flight schedules are subject to change.

*Available to One Key members.

 

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