Saint Thomas Island

$765+ 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 5/27. Fares are subject to change and may not be available on all flights or dates of travel.
BZN — STT
May 30 — Jun 61
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Montana to Saint Thomas Island with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 April 30, 2026.

This American Airlines deal was found by Cheapflights users on 4/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/271:25 pm
FCA
-
STT
2 stops21h 19m
American Airlines
Wed 6/34:48 pm
STT
-
FCA
2 stops21h 57m
American Airlines
Deal found 4/27$765
This American Airlines deal was found by Cheapflights users on 4/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/612:26 pm
FCA
-
STT
2 stops22h 18m
American Airlines
Sun 6/144:49 pm
STT
-
FCA
2 stops24h 10m
American Airlines
Deal found 4/27$841
This American Airlines deal was found by Cheapflights users on 4/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/114:44 pm
MSO
-
STT
2 stops16h 19m
American Airlines
Thu 7/234:50 pm
STT
-
MSO
2 stops22h 24m
American Airlines
Deal found 4/27$910
This American Airlines deal was found by Cheapflights users on 4/25. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/111:08 pm
MSO
-
STT
2 stops20h 27m
American Airlines
Fri 5/155:05 pm
STT
-
MSO
2 stops30h 40m
American Airlines
Deal found 4/25$928
This American Airlines deal was found by Cheapflights users on 4/25. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/121:08 pm
MSO
-
STT
2 stops22h 07m
American Airlines
Fri 5/155:05 pm
STT
-
MSO
2 stops30h 40m
American Airlines
Deal found 4/25$933
This American Airlines deal was found by Cheapflights users on 4/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/74:48 pm
FCA
-
STT
2 stops21h 09m
American Airlines
Sun 6/144:49 pm
STT
-
FCA
2 stops21h 56m
American Airlines
Deal found 4/27$935
This United Airlines deal was found by Cheapflights users on 4/27. 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 5/272:33 pm
FCA
-
STT
3 stops23h 10m
United Airlines
Wed 6/34:45 pm
STT
-
FCA
2 stops19h 16m
United Airlines
Deal found 4/27$1,026
This United Airlines deal was found by Cheapflights users on 4/25. 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.
Tue 5/122:37 pm
MSO
-
STT
2 stops20h 31m
United Airlines
Sat 5/164:45 pm
STT
-
MSO
2 stops22h 50m
United Airlines
Deal found 4/25$1,087
This United Airlines deal was found by Cheapflights users on 4/25. 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 4/292:38 pm
MSO
-
STT
2 stops19h 42m
United Airlines
Fri 5/12:10 pm
STT
-
MSO
2 stops27h 54m
United Airlines
Deal found 4/25$1,097
This United Airlines deal was found by Cheapflights users on 4/27. 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.
Tue 5/122:33 pm
FCA
-
STT
3 stops19h 47m
United Airlines
Sat 5/162:10 pm
STT
-
FCA
2 stops33h 47m
United Airlines
Deal found 4/27$1,100
This United Airlines deal was found by Cheapflights users on 4/27. 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.
Sat 6/62:33 pm
FCA
-
STT
3 stops19h 47m
United Airlines
Sun 6/141:22 pm
STT
-
FCA
2 stops22h 39m
United Airlines
Deal found 4/27$1,199
This United Airlines deal was found by Cheapflights users on 4/25. 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.
Mon 5/112:37 pm
MSO
-
STT
2 stops20h 31m
United Airlines
Sat 5/162:10 pm
STT
-
MSO
2 stops27h 54m
United Airlines
Deal found 4/25$1,239

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 April 30, 2026.

Round-trip from

$765
(American Airlines)
From Montana to Saint Thomas Island Cyril E King

Cheapflights Fare Finder

 
Customize your flight search to find flights from Montana 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 April 30, 2026.
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

Cheapest round-trip

KalispellSaint Thomas Island

FCA - STT

FCASTT

Kalispell Glacier Park

Wed 5/27

1:25 pm-12:44 pm

2 stops21h 19m

Saint Thomas Island Cyril E King

Wed 6/3

4:48 pm-12:45 pm

2 stops21h 57m

$765

KalispellSaint Thomas Island

FCA - STT

FCASTT

Kalispell Glacier Park

Sun 6/7

4:48 pm-3:57 pm

2 stops21h 09m

Saint Thomas Island Cyril E King

Sun 6/14

4:49 pm-12:45 pm

2 stops21h 56m

$935

KalispellSaint Thomas Island

FCA - STT

FCASTT

Kalispell Glacier Park

Wed 5/27

2:33 pm-3:43 pm

3 stops23h 10m

Saint Thomas Island Cyril E King

Wed 6/3

4:45 pm-10:01 am

2 stops19h 16m

$1,026

KalispellSaint Thomas Island

FCA - STT

FCASTT

Kalispell Glacier Park

Tue 5/12

2:33 pm-12:20 pm

3 stops19h 47m

Saint Thomas Island Cyril E King

Sat 5/16

2:10 pm-9:57 pm

2 stops33h 47m

$1,100

MissoulaSaint Thomas Island

MSO - STT

MSOSTT

Missoula Johnson-Bell Field

Tue 5/12

2:37 pm-1:08 pm

2 stops20h 31m

Saint Thomas Island Cyril E King

Sat 5/16

2:10 pm-1:35 pm

2 stops25h 25m

$1,142
Quickest round-trip

MissoulaSaint Thomas Island

MSO - STT

MSOSTT

Missoula Johnson-Bell Field

Sat 7/11

4:44 pm-11:03 am

2 stops16h 19m

Saint Thomas Island Cyril E King

Thu 7/23

2:28 pm-10:40 pm

1 stop10h 12m

$1,160

MissoulaSaint Thomas Island

MSO - STT

MSOSTT

Missoula Johnson-Bell Field

Mon 5/11

2:37 pm-1:08 pm

2 stops20h 31m

Saint Thomas Island Cyril E King

Sat 5/16

2:10 pm-4:04 pm

2 stops27h 54m

$1,239

MissoulaSaint Thomas Island

MSO - STT

MSOSTT

Missoula Johnson-Bell Field

Tue 5/12

2:37 pm-1:08 pm

2 stops20h 31m

Saint Thomas Island Cyril E King

Sun 5/17

4:45 pm-1:35 pm

2 stops22h 50m

$1,269

KalispellSaint Thomas Island

FCA - STT

FCASTT

Kalispell Glacier Park

Sun 6/7

5:28 pm-3:43 pm

2 stops20h 15m

Saint Thomas Island Cyril E King

Sun 6/14

2:10 pm-11:29 am

3 stops23h 19m

$1,282

MissoulaSaint Thomas Island

MSO - STT

MSOSTT

Missoula Johnson-Bell Field

Sat 7/11

2:21 pm-3:43 pm

3 stops23h 22m

Saint Thomas Island Cyril E King

Thu 7/23

1:22 pm-9:55 am

2 stops22h 33m

$1,332

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/27

Showing 1-10 of 11 resultsSorted by cheapest first
1
2

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

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?

    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 American Airlines and United Airlines fly from Montana to Saint Thomas Island in about 21h 19m. The time it takes to get you to your destination can typically vary by up to 1h 51m. There are 3432 mi between Montana and Saint Thomas Island. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Montana to Saint Thomas Island

See prices for flight routes from nearby airports that may be better suited for you.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.