How long is the flight from Kalispell to Saint Thomas Island?

Airlines like United Airlines fly from Kalispell to Saint Thomas Island in about 16h. The time it takes to get you to your destination can typically vary by up to . Airlines will cover a distance of 3432 mi.

What is the cheapest month to book a flight from Kalispell to Saint Thomas Island?

Currently, September is the cheapest month in which you can book a flight from Kalispell to Saint Thomas Island (average of $433). Flying from Kalispell to Saint Thomas Island in June is currently the most expensive (average of $645). 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 STT?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Kalispell to Saint Thomas Island as you normally would.

How can I find direct flights from Kalispell to Saint Thomas Island?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Kalispell to Saint Thomas Island.

Can I find deals for business class flights from Kalispell to Saint Thomas Island?

Yes. Cheapflights offers flight deals from Kalispell to Saint Thomas Island by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$1,060+ Cheap Flights from Kalispell to Saint Thomas Island

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Cheap flight deals from Kalispell to Saint Thomas Island

Round-trip from	$1,060 (United Airlines)

From Kalispell Glacier Park to Saint Thomas Island Cyril E King

Search Deals

Find flight deals from Kalispell to Saint Thomas Island

Best flights from Kalispell to Saint Thomas Island
Discover carefully curated flight deals from Kalispell to Saint Thomas Island that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 11, 2025.

Tue 3/105:00 pmFCA - STT

2 stops16h 00mUnited Airlines

Wed 3/112:05 pmSTT - FCA

2 stops22h 03mUnited Airlines

Deal found 9/9

$1,060

Cheapflights Fare Finder

Use the filters below to find and compare flights from Kalispell to Saint Thomas Island that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

KalispellSaint Thomas Island

FCA - STT

FCASTT

Kalispell Glacier Park

Tue 3/10

5:00 pm-11:00 am

2 stops16h 00m

Saint Thomas Island Cyril E King

Wed 3/11

2:05 pm-10:08 am

2 stops22h 03m

$1,060

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

Best time to book a flight from Kalispell to Saint Thomas Island

Have a flexible travel schedule? Discover the best time to fly to Saint Thomas Island from Kalispell with our price prediction graph.

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.

Related info for your journey

How long is the flight from Kalispell to Saint Thomas Island?
Airlines like United Airlines fly from Kalispell to Saint Thomas Island in about 16h. The time it takes to get you to your destination can typically vary by up to . Airlines will cover a distance of 3432 mi.
Can I find deals for flights from Kalispell to Saint Thomas Island that include hotel bookings?
Yes. In addition to deals on Kalispell to Saint Thomas Island flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Kalispell to Saint Thomas Island?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Kalispell to Saint Thomas Island.
Can I find deals for business class flights from Kalispell to Saint Thomas Island?
Yes. Cheapflights offers flight deals from Kalispell to Saint Thomas Island by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Kalispell to Saint Thomas Island?
Currently, September is the cheapest month in which you can book a flight from Kalispell to Saint Thomas Island (average of $433). Flying from Kalispell to Saint Thomas Island in June is currently the most expensive (average of $645). 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.

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$1,060+ Cheap flights from Kalispell (FCA) to Saint Thomas Island (STT)

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 3/10. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Kalispell to Saint Thomas Island with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Kalispell to Saint Thomas Island

Round-trip from

Find flight deals from Kalispell to Saint Thomas Island

Best flights from Kalispell to Saint Thomas IslandDiscover carefully curated flight deals from Kalispell to Saint Thomas Island that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 11, 2025.

Discover carefully curated flight deals from Kalispell to Saint Thomas Island that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 11, 2025.