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

Airlines like United Airlines fly from Montana to Saint Thomas Island in about 20h 22m. The time it takes to get you to your destination can typically vary by up to . There are 3393 mi between Montana and Saint Thomas Island.

What is the cheapest time of day to fly from MT to STT?

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

What airport do you fly into for flights to Saint Thomas Island from Montana?

If you book a flight to Saint Thomas Island from Montana, you will be flying to Cyril E King, which is the city’s only airport. Saint Thomas Island Cyril E King (STT) is located 2.8 mi from the center of Saint Thomas Island.

Can I find deals for flights from Montana to Saint Thomas Island that include hotel bookings?

Yes. In addition to deals on Montana to Saint Thomas Island flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Montana 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 Montana to Saint Thomas Island.

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

Yes. Cheapflights offers flight deals from Montana 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.

$706+ Flights from Montana to Saint Thomas Island

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Cheap flight deals from Montana to Saint Thomas Island

Cheapest flights from Montana to Saint Thomas Island
Explore the most affordable flight options available from Montana to Saint Thomas Island. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 29, 2026.

Tue 2/242:34 pm

MSO

STT

2 stops20h 22m

United Airlines

Thu 2/261:02 pm

STT

MSO

2 stops35h 55m

United Airlines

Deal found 1/26

$706

Wed 8/121:25 pm

FCA

STT

2 stops21h 27m

American Airlines

Sun 8/161:42 pm

STT

FCA

2 stops23h 18m

American Airlines

Deal found 1/28

$760

Sat 1/312:37 pm

MSO

STT

2 stops20h 19m

United Airlines

Mon 2/23:05 pm

STT

MSO

2 stops33h 46m

United Airlines

Deal found 1/27

$1,233

Mon 3/26:00 am

FCA

STT

2 stops27h 00m

United Airlines

Wed 3/41:02 pm

STT

FCA

2 stops26h 32m

United Airlines

Deal found 1/26

$1,271

Sat 1/311:21 pm

MSO

STT

1 stop23h 11m

American Airlines

Mon 2/26:39 pm

STT

MSO

2 stops21h 11m

American Airlines

Deal found 1/27

$1,521

Best flights from Montana to Saint Thomas Island
Discover carefully curated flight deals from Montana to Saint Thomas Island that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated January 29, 2026.

Tue 2/242:34 pm

MSO

STT

2 stops20h 22m

United Airlines

Thu 2/261:02 pm

STT

MSO

2 stops35h 55m

United Airlines

Deal found 1/26

$706

Mon 3/26:00 am

FCA

STT

2 stops27h 00m

United Airlines

Wed 3/41:02 pm

STT

FCA

2 stops26h 32m

United Airlines

Deal found 1/26

$1,271

Last-minute flights from Montana to Saint Thomas Island
Discover last-minute flight deals from Montana to Saint Thomas Island. Data last updated January 29, 2026 and is based on user searches.

Sat 1/312:37 pm

MSO

STT

2 stops20h 19m

United Airlines

Mon 2/23:05 pm

STT

MSO

2 stops33h 46m

United Airlines

Deal found 1/27

$1,233

Sat 1/311:21 pm

MSO

STT

1 stop23h 11m

American Airlines

Mon 2/26:39 pm

STT

MSO

2 stops21h 11m

American Airlines

Deal found 1/27

$1,521

Tue 2/242:34 pm

MSO

STT

2 stops20h 22m

United Airlines

Thu 2/261:02 pm

STT

MSO

2 stops35h 55m

United Airlines

Deal found 1/26

$706

Find flight deals from Montana to Saint Thomas Island

Round-trip from	$706 (United Airlines)

From Montana to Saint Thomas Island Cyril E King

Search Deals

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

MissoulaSaint Thomas Island

MSO - STT

MSOSTT

Missoula Johnson-Bell Field

Tue 2/24

2:34 pm-1:56 pm

2 stops20h 22m

Saint Thomas Island Cyril E King

Thu 2/26

1:02 pm-9:57 pm

2 stops35h 55m

$706

KalispellSaint Thomas Island

FCA - STT

FCASTT

Kalispell Glacier Park

Mon 3/2

6:00 am-12:00 pm

2 stops27h 00m

Saint Thomas Island Cyril E King

Wed 3/4

1:02 pm-12:34 pm

2 stops26h 32m

$1,271

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/26

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

Have a flexible travel schedule? Discover the best time to fly to Saint Thomas Island from Montana 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.

Cheapflights Insights

Everything you need to know about your flight from Montana to Saint Thomas Island

No data available for this route at this time. Please check back soon.

Related info for your journey

What airport do you fly into for flights to Saint Thomas Island from Montana?
If you book a flight to Saint Thomas Island from Montana, you will be flying to Cyril E King, which is the city’s only airport. Saint Thomas Island Cyril E King (STT) is located 2.8 mi from the center of Saint Thomas Island.
How long is the flight from Montana to Saint Thomas Island?
Airlines like United Airlines fly from Montana to Saint Thomas Island in about 20h 22m. The time it takes to get you to your destination can typically vary by up to . There are 3393 mi between Montana and Saint Thomas Island.
Can I find deals for flights from Montana to Saint Thomas Island that include hotel bookings?
Yes. In addition to deals on Montana to Saint Thomas Island flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Montana 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 Montana to Saint Thomas Island.
Can I find deals for business class flights from Montana to Saint Thomas Island?
Yes. Cheapflights offers flight deals from Montana 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

St. John

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Top airline flying from Montana to Saint Thomas Island

Airline	Cheapest	Average	Flexibility	On-time
American Airlines	Cheapest$724	Average$816	FlexibilityNo cancel fee	On-time71%

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$706+ Cheap flights from Montana 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 2/24. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Montana 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 Montana to Saint Thomas Island

Cheapest flights from Montana to Saint Thomas IslandExplore the most affordable flight options available from Montana to Saint Thomas Island. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 29, 2026.

Explore the most affordable flight options available from Montana to Saint Thomas Island. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 29, 2026.

Find flight deals from Montana to Saint Thomas Island

Keep the following information in mind while searching for Montana to Saint Thomas Island flight deals. Data was last updated January 29, 2026.

Round-trip from

Cheapflights Fare Finder

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

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

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

Cheapflights Insights

Everything you need to know about your flight from Montana to Saint Thomas Island

Related info for your journey

Find useful and relevant information for your journey from Montana 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.

What airport do you fly into for flights to Saint Thomas Island from Montana?

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

Can I find deals for flights from Montana to Saint Thomas Island that include hotel bookings?

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

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

Traveling to a place near Saint Thomas Island?

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Alternative routes for Montana to Saint Thomas Island

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Top airline flying from Montana to Saint Thomas Island

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Cheapest flights from Montana to Saint Thomas Island
Explore the most affordable flight options available from Montana to Saint Thomas Island. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 29, 2026.