$100 Cheap Flights from Kalispell (FCA) to San Francisco (SFO)

View $100 flight on Tue, Jan 20, 2026Opens in a new window

Popular airlines from Glacier Park Intl. Airport (FCA) to San Francisco Intl. Airport (SFO)

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Cheap Flights from Kalispell to San Francisco (FCA-SFO)

Prices were available within the past 7 days and start at $100 for one-way flights and $189 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Hawaiian Airlines
Sat, Feb 7 - Tue, Feb 17
FCA
Kalispell
SFO
San Francisco
$189 Roundtrip, found 1 day ago
$189
Roundtrip
found 1 day ago
Select Hawaiian Airlines flight, departing Sat, Feb 7 from Kalispell to San Francisco, returning Tue, Feb 17, priced at $189 found 1 day ago
Delta
Sun, Nov 23 - Wed, Dec 3
FCA
Kalispell
SFO
San Francisco
$197 Roundtrip, found 1 day ago
$197
Roundtrip
found 1 day ago
Select Delta flight, departing Sun, Nov 23 from Kalispell to San Francisco, returning Wed, Dec 3, priced at $197 found 1 day ago
United
Thu, May 28 - Sun, May 31
FCA
Kalispell
SFO
San Francisco
$200 Roundtrip, found 1 day ago
$200
Roundtrip
found 1 day ago
Select United flight, departing Thu, May 28 from Kalispell to San Francisco, returning Sun, May 31, priced at $200 found 1 day ago
Delta
Sun, Dec 14 - Sun, Jan 4
FCA
Kalispell
SFO
San Francisco
$202 Roundtrip, found 2 days ago
$202
Roundtrip
found 2 days ago
Select Delta flight, departing Sun, Dec 14 from Kalispell to San Francisco, returning Sun, Jan 4, priced at $202 found 2 days ago
Delta
Wed, Dec 3 - Tue, Dec 9
FCA
Kalispell
SFO
San Francisco
$207 Roundtrip, found 5 days ago
$207
Roundtrip
found 5 days ago
Select Delta flight, departing Wed, Dec 3 from Kalispell to San Francisco, returning Tue, Dec 9, priced at $207 found 5 days ago
Delta
Thu, Feb 12 - Tue, Mar 3
FCA
Kalispell
SFO
San Francisco
$208 Roundtrip, found 5 days ago
$208
Roundtrip
found 5 days ago
Select Delta flight, departing Thu, Feb 12 from Kalispell to San Francisco, returning Tue, Mar 3, priced at $208 found 5 days ago
United
Thu, May 28 - Sun, May 31
FCA
Kalispell
SFO
San Francisco
$209 Roundtrip, found 1 day ago
$209
Roundtrip
found 1 day ago
Select United flight, departing Thu, May 28 from Kalispell to San Francisco, returning Sun, May 31, priced at $209 found 1 day ago
Delta
Fri, Nov 14 - Tue, Nov 18
FCA
Kalispell
SFO
San Francisco
$213 Roundtrip, found 2 days ago
$213
Roundtrip
found 2 days ago
Select Delta flight, departing Fri, Nov 14 from Kalispell to San Francisco, returning Tue, Nov 18, priced at $213 found 2 days ago
Delta
Tue, Nov 11 - Tue, Nov 18
FCA
Kalispell
SFO
San Francisco
$214 Roundtrip, found 2 days ago
$214
Roundtrip
found 2 days ago
Select Delta flight, departing Tue, Nov 11 from Kalispell to San Francisco, returning Tue, Nov 18, priced at $214 found 2 days ago
Alaska Airlines
Sat, Feb 28 - Sun, Mar 1
FCA
Kalispell
SFO
San Francisco
$221 Roundtrip, found 2 days ago
$221
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Sat, Feb 28 from Kalispell to San Francisco, returning Sun, Mar 1, priced at $221 found 2 days ago

Find the cheapest month to fly from Kalispell (FCA) to San Francisco (SFO)

October is typically the cheapest month to fly

From $206 - $647 per traveler.

Alternative airports near San Francisco

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Oakland Intl. OAK. Average driving time to city center is 26 minutes. Flights from $456
OAK
Oakland Intl.
Average driving time to city center26 min
Flights from $456
Flights from Kalispell (FCA) to San Francisco (SFO)
Origin airport
Glacier Park Intl.
Destination airport
San Francisco Intl.
Airlines serving
Alaska Airlines, Delta, Hawaiian Airlines, United
Roundtrip price
$187
Distance
844 mi

Kalispell to San Francisco Flights

The cheapest times to fly from Kalispell to San Francisco

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 Kalispell to San Francisco are during the month of February. You can find some of the cheapest flights from Kalispell to San Francisco with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Kalispell to San Francisco

Sunday is one of the best days to book for cheap flights from Kalispell to San Francisco: 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 Kalispell to San Francisco

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 Kalispell to San Francisco in 2025. You can also book with separate airlines for your outbound and return journeys, from $100 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 Kalispell to San Francisco 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 Kalispell to San Francisco 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.

 

Frequently asked questions

How much does a flight from Glacier Park Intl. Airport (FCA) to San Francisco Intl. Airport (SFO) cost?
Secure a cheap one-way flight from $100 or cheap return flight from $189 from Glacier Park Intl. Airport (FCA) to San Francisco Intl. Airport (SFO) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Glacier Park Intl. Airport (FCA) to San Francisco Intl. Airport (SFO)?
Planning your getaway for February is a great way to save, as it's the cheapest month for flights between FCA and SFO. You'll typically find the lowest fares during off-peak months.
Which airlines fly direct from Glacier Park Intl. Airport (FCA) to San Francisco Intl. Airport (SFO)?
Take a direct flight with United Airlines and go straight from Glacier Park Intl. Airport (FCA) to San Francisco Intl. Airport (SFO).
What is the cheapest airline that flies from Glacier Park Intl. Airport (FCA) to San Francisco Intl. Airport (SFO)?
Expedia's filter tool lets you easily compare different airlines, flight durations and fares all in one place. Choose your preferences, then sort by "Price (lowest to highest)" to find the carrier with the cheapest FCA to SFO flight.
How many flights per day from Glacier Park Intl. Airport (FCA) to San Francisco Intl. Airport (SFO)?
On average you can take your pick of 1 direct flights every week from Glacier Park Intl. Airport (FCA) to San Francisco Intl. Airport (SFO). To expand your choices, consider a flight with a layover. Just enter your dates on Expedia and then filter your search to include one or two stops.
What are the most popular departure times for flights from Glacier Park Intl. Airport (FCA) to San Francisco Intl. Airport (SFO)?
The 1 PM departures from FCA to SFO are the top choice for many travelers. Greater demand means you'll likely pay more for these departures. If you want to save on your fare, pick a less crowded time to fly.
What day of the week has the most flights from FCA to SFO?
If you depart on a Saturday, you'll get the widest range of choices for flights from Glacier Park Intl. Airport (FCA) to San Francisco Intl. Airport (SFO).
What is the earliest flight from Glacier Park Intl. Airport (FCA) to San Francisco Intl. Airport (SFO)?
Hop on the earliest flight at around 1:25PM UTC-7, leaving from Glacier Park Intl. Airport (FCA). You'll be flying for about 2h 53m, landing at San Francisco Intl. Airport (SFO) at approximately 3:18PM UTC-8.
How long does it take to fly from Glacier Park Intl. Airport (FCA) to San Francisco Intl. Airport (SFO)?
Flights from FCA to SFO have an average travel time of 2 hours and 53 minutes. The distance between the two is 850 mi.
What airline has the least delays from FCA to SFO?
United Airlines has the best track record for on-time direct flights from Glacier Park Intl. Airport (FCA) to San Francisco Intl. Airport (SFO), with an on-time score of 80%. Use the Expedia App to check your flight status before you head off and receive notifications about any changes.
What is the best time to fly from Glacier Park Intl. Airport (FCA) to San Francisco Intl. Airport (SFO)?
To avoid possible delays on the Glacier Park Intl. Airport (FCA) to San Francisco Intl. Airport (SFO) route, fly before 3 PM. Departures after this hour have a 22% higher chance of cancellation.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for San Francisco from Glacier Park Intl. Airport (FCA)?
Compare your flight options from Glacier Park Intl. Airport (FCA) to San Francisco Intl. Airport (SFO). This is the only airport in San Francisco you can fly into if you're taking a direct flight.
Is it cheaper to buy a plane ticket from Glacier Park Intl. Airport (FCA) to San Francisco Intl. Airport (SFO) last-minute?
Holding off until right before your break to book your flight from FCA to SFO generally means paying more. Although you may find some last-minute discounts, they're not always guaranteed. Allow some flexibility in your schedule to boost your chances of landing a bargain.
Is it cheaper to book a FCA to SFO flight and hotel package?
Opting for a FCA to SFO flight and hotel package is generally cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels in one place. Pick from our extensive range of stays and then add car rentals, flights and activities to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Glacier Park Intl. Airport (FCA) to San Francisco Intl. Airport (SFO)?
Usually, it's possible to reschedule or cancel your FCA to SFO flight. However, if the booking was made more than 24 hours ago, additional fees may apply. Refer to your airline's policies in your itinerary to see what changes are possible and if any costs are involved. You'll also find further details on our Customer Service portal.

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*Available to One Key members.