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Saint Thomas Island

$719+ 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 5/31. Fares are subject to change and may not be available on all flights or dates of travel.
FCA — STT
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
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Cheap flight deals from Kalispell to Saint Thomas Island

Cheapest flights from Kalispell to Saint Thomas Island
Explore the most affordable flight options available from Kalispell to Saint Thomas Island. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 12, 2025.

This United Airlines deal was found by Cheapflights users on 12/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/262:38 pmFCA - STT
2 stops20h 52mUnited Airlines
Tue 12/305:20 pmSTT - FCA
2 stops21h 22mUnited Airlines
Deal found 12/11$1,200
This United Airlines deal was found by Cheapflights users on 12/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/242:38 pmFCA - STT
2 stops22h 40mUnited Airlines
Sun 12/283:35 pmSTT - FCA
2 stops23h 07mUnited Airlines
Deal found 12/9$1,443

Find flight deals from Kalispell to Saint Thomas Island

Discover tips and strategies to find the most affordable flight options for your journey from Kalispell (FCA) to Saint Thomas Island (STT). 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 December 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$719
(American Airlines)
Provider with most accurate pricing for Kalispell Glacier Park-Saint Thomas Island Cyril E King flight deals.
Search Deals
Provider most trusted by Cheapflights users for Kalispell Glacier Park-Saint Thomas Island Cyril E King flights.
Search Deals
From Kalispell Glacier Park to Saint Thomas Island Cyril E King
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Kalispell to Saint Thomas Island 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 2,558,603 searches. Data last updated December 12, 2025.
Use the filters below to find and compare flights from Kalispell to Saint Thomas Island that are best for you.

Fly from

Kalispell

Fly to

Saint Thomas Island

Route

Depart

Return

Price

KalispellSaint Thomas Island

FCA - STT

FCASTT

Kalispell Glacier Park

Sun 5/31

3:29 pm-2:45 pm

2 stops21h 16m

Saint Thomas Island Cyril E King

Thu 6/11

5:15 pm-12:25 pm

2 stops21h 10m

$719

KalispellSaint Thomas Island

FCA - STT

FCASTT

Kalispell Glacier Park

Tue 2/24

6:00 am-1:56 pm

2 stops28h 56m

Saint Thomas Island Cyril E King

Thu 2/26

1:02 pm-10:12 pm

2 stops36h 10m

$905

KalispellSaint Thomas Island

FCA - STT

FCASTT

Kalispell Glacier Park

Wed 2/11

2:42 pm-1:56 pm

2 stops20h 14m

Saint Thomas Island Cyril E King

Thu 2/19

3:05 pm-1:34 pm

2 stops25h 29m

$969

KalispellSaint Thomas Island

FCA - STT

FCASTT

Kalispell Glacier Park

Fri 12/26

2:38 pm-2:30 pm

2 stops20h 52m

Saint Thomas Island Cyril E King

Tue 12/30

5:20 pm-11:42 am

2 stops21h 22m

$1,200

KalispellSaint Thomas Island

FCA - STT

FCASTT

Kalispell Glacier Park

Wed 5/20

2:29 pm-12:15 pm

2 stops19h 46m

Saint Thomas Island Cyril E King

Tue 5/26

4:45 pm-3:17 pm

2 stops24h 32m

$1,228

KalispellSaint Thomas Island

FCA - STT

FCASTT

Kalispell Glacier Park

Sun 5/31

12:40 pm-12:15 pm

3 stops45h 35m

Saint Thomas Island Cyril E King

Thu 6/11

1:17 pm-11:41 am

2 stops24h 24m

$1,298

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/10

Compare providers for flights from Kalispell to Saint Thomas Island

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 Saint Thomas Island in December.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Kalispell-Saint Thomas Island flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Kalispell-Saint Thomas Island flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Kalispell-Saint Thomas Island flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Kalispell-Saint Thomas Island flights, Cheapflights users trust eDreams the most. eDreams 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-Saint Thomas Island 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 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

Find useful and relevant information for your journey from Kalispell to Saint Thomas Island. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    Airlines like American Airlines and United Airlines fly from Kalispell to Saint Thomas Island in about 21h 16m. The time it takes to get you to your destination can typically vary by up to 7h 40m. Airlines will cover a distance of 3432 mi. This flight may include one or multiple stops.

  • 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.

See more FAQs

Traveling to a place near Saint Thomas Island?

Book flights to Saint Thomas Island if you plan to visit one of these locations
St. John

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