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Cheap flights from Kalispell to Saint Thomas Island from $557

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Kalispell to Saint Thomas Island departing on 1/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Kalispell to Saint Thomas Island

Cheap round-trip flights

United Airlines Logo
2:38 pm - 1:12 pmFCA-STT
19h 34m2 stops
United Airlines Logo
2:15 pm - 1:36 pmSTT-FCA
26h 21m2 stops
$930United Airlines
Find Deal
Wed, Nov 5 - Wed, Nov 12
United Airlines Logo
7:00 am - 4:18 pmFCA-STT
30h 18m2 stops
United Airlines Logo
1:05 pm - 3:02 pmSTT-FCA
28h 57m2 stops
$1,131United Airlines
Find Deal
Sun, Feb 1 - Wed, Feb 11
United Airlines Logo
2:29 pm - 12:00 pmFCA-STT
18h 31m2 stops
United Airlines Logo
3:05 pm - 12:08 pmSTT-FCA
24h 03m1 stop
$5,974United Airlines
Find Deal
Sun, Feb 1 - Wed, Feb 11

United Airlines flights from Kalispell to Saint Thomas Island

Our best United Airlines deals on Kalispell to Saint Thomas Island flight tickets
United Airlines
Nov 5
FCA2:38 pmKalispell Glacier Park
19h 34m
2 stops
STT1:12 pmSaint Thomas Island Cyril E King
Nov 12
STT2:15 pmSaint Thomas Island Cyril E King
26h 21m
2 stops
FCA1:36 pmKalispell Glacier Park
$930
Find similar
United Airlines
Feb 1
FCA7:00 amKalispell Glacier Park
30h 18m
2 stops
STT4:18 pmSaint Thomas Island Cyril E King
Feb 11
STT1:05 pmSaint Thomas Island Cyril E King
28h 57m
2 stops
FCA3:02 pmKalispell Glacier Park
$1,131
Find similar
United Airlines
Feb 1
FCA2:29 pmKalispell Glacier Park
18h 31m
2 stops
STT12:00 pmSaint Thomas Island Cyril E King
Feb 11
STT3:05 pmSaint Thomas Island Cyril E King
24h 03m
1 stop
FCA12:08 pmKalispell Glacier Park
$5,974
Find similar

momondo 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, momondo users made 832,500 searches. Data last updated August 5, 2025.
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

Wed 11/5

2:38 pm-1:12 pm

2 stops19h 34m

Saint Thomas Island Cyril E King

Wed 11/12

2:15 pm-1:36 pm

2 stops26h 21m

$930

KalispellSaint Thomas Island

FCA - STT

FCASTT

Kalispell Glacier Park

Sun 2/1

7:00 am-4:18 pm

2 stops30h 18m

Saint Thomas Island Cyril E King

Wed 2/11

1:05 pm-3:02 pm

2 stops28h 57m

$1,131

KalispellSaint Thomas Island

FCA - STT

FCASTT

Kalispell Glacier Park

Sun 2/1

2:29 pm-12:00 pm

2 stops18h 31m

Saint Thomas Island Cyril E King

Wed 2/11

3:05 pm-12:08 pm

1 stop24h 03m

$5,974

KalispellSaint Thomas Island

FCA - STT

FCASTT

Kalispell Glacier Park

Mon 1/5

6:12 pm-1:45 pm

2 stops16h 33m

$557

KalispellSaint Thomas Island

FCA - STT

FCASTT

Kalispell Glacier Park

Mon 1/5

2:29 pm-12:00 pm

3 stops18h 31m

$715

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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How to get the cheapest flight ticket from Kalispell to Saint Thomas Island

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Kalispell Glacier Park to Saint Thomas Island Cyril E King?

Delta and United Airlines are the most popular carriers operating from Kalispell Glacier Park to Saint Thomas Island Cyril E King

When to book flights from Kalispell to Saint Thomas Island

Are you open to changing your travel dates? Check out the ideal times to fly from Kalispell to Saint Thomas Island according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Kalispell to Saint Thomas Island (FCA to STT) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Kalispell to Saint Thomas Island

Best Price Found

$557

Fastest flight time

16h 33m

Direct flights

None

Airports in Saint Thomas Island

1 airport
The best one-way flight to Saint Thomas Island from Kalispell in the past 72 hours is $557. The best round-trip flight deal from Kalispell to Saint Thomas Island found on momondo in the last 72 hours is $930.
The fastest flight from Kalispell to Saint Thomas Island takes 16h 33m
There are no direct flights from Kalispell to Saint Thomas Island. Popular non-direct route for this connection is Kalispell Glacier Park Airport - Saint Thomas Island Cyril E King Airport.
There is 1 airport near Saint Thomas Island: Saint Thomas Island Cyril E King (STT)
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  • How far is Kalispell Glacier Park to Saint Thomas Island Cyril E King by plane?

    Kalispell Glacier Park and Saint Thomas Island Cyril E King are 3433.1 mi apart from one another. Flights usually cover this in 18h 31m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Kalispell Glacier Park Airport to Saint Thomas Island Cyril E King Airport?

    Prices for flights from Kalispell Glacier Park Airport to Saint Thomas Island Cyril E King Airport refresh daily.

  • How old do you have to be to fly from Kalispell Glacier Park Airport to Saint Thomas Island Cyril E King Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Kalispell Glacier Park Airport to Saint Thomas Island Cyril E King Airport.

  • What documentation or ID do you need to fly to Saint Thomas Island Cyril E King Airport?

    The travel and health documents you'll need for your trip to Saint Thomas Island Cyril E King Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Saint Thomas Island Cyril E King Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

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

Why use momondo?

Why should I use momondo to find a flight deal from Kalispell to Saint Thomas Island?

Finding the right flight to Saint Thomas Island from Kalispell is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Saint Thomas Island quick and easy, saving you time and money.

Can I find flights from Kalispell to Saint Thomas Island with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Saint Thomas Island from Kalispell with this policy.

How can momondo help me find flights from Kalispell to Saint Thomas Island?

Once all potential Kalispell to Saint Thomas Island flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Kalispell to Saint Thomas Island right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Kalispell to Saint Thomas Island flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your Saint Thomas Island trip

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