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Cheap flights from Montana to Saint Thomas Island from $893

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Montana to Saint Thomas Island departing on 2/24. 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 Montana to Saint Thomas Island

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
2:34 pm - 1:56 pm
MSO
-
STT
20h 22m
2 stops
United Airlines Logo
1:02 pm - 9:57 pm
STT
-
MSO
35h 55m
2 stops
$893United Airlines
Tue, Feb 24 - Thu, Feb 26
United Airlines Logo
2:34 pm - 1:56 pm
MSO
-
STT
20h 22m
2 stops
United Airlines Logo
1:02 pm - 9:57 pm
STT
-
MSO
35h 55m
2 stops
$904United Airlines
Tue, Feb 24 - Thu, Feb 26
United Airlines Logo
2:34 pm - 1:56 pm
MSO
-
STT
20h 22m
2 stops
United Airlines Logo
1:02 pm - 9:57 pm
STT
-
MSO
35h 55m
2 stops
$914United Airlines
Tue, Feb 24 - Thu, Feb 26
United Airlines Logo
6:00 am - 1:56 pm
FCA
-
STT
28h 56m
2 stops
United Airlines Logo
3:05 pm - 9:57 pm
STT
-
FCA
33h 52m
2 stops
$1,189United Airlines
Mon, Mar 2 - Wed, Mar 4
United Airlines Logo
6:00 am - 1:56 pm
FCA
-
STT
28h 56m
2 stops
United Airlines Logo
3:05 pm - 9:57 pm
STT
-
FCA
33h 52m
2 stops
$1,199United Airlines
Mon, Mar 2 - Wed, Mar 4
United Airlines Logo
6:00 am - 1:56 pm
FCA
-
STT
28h 56m
2 stops
United Airlines Logo
1:02 pm - 11:53 am
STT
-
FCA
25h 51m
2 stops
$1,262United Airlines
Mon, Mar 2 - Wed, Mar 4
United Airlines Logo
6:00 am - 1:56 pm
FCA
-
STT
28h 56m
2 stops
United Airlines Logo
3:05 pm - 9:57 pm
STT
-
FCA
33h 52m
2 stops
$1,283United Airlines
Mon, Mar 2 - Wed, Mar 4
United Airlines Logo
6:00 am - 12:00 pm
FCA
-
STT
27h 00m
2 stops
United Airlines Logo
3:05 pm - 12:34 pm
STT
-
FCA
24h 29m
1 stop
$1,817United Airlines
Mon, Mar 2 - Wed, Mar 4
American Airlines Logo
1:08 pm - 10:47 am
MSO
-
STT
19h 39m
2 stops
American Airlines Logo
2:05 pm - 12:38 pm
STT
-
MSO
24h 33m
2 stops
$2,273American Airlines
Sat, Apr 11 - Sun, Apr 12
American Airlines Logo
1:08 pm - 10:47 am
MSO
-
STT
19h 39m
2 stops
American Airlines Logo
5:05 pm - 12:38 pm
STT
-
MSO
21h 33m
3 stops
$5,070American Airlines
Sat, Apr 11 - Sun, Apr 12

United Airlines flights from Montana to Saint Thomas Island

Our best United Airlines deals on Montana to Saint Thomas Island flight tickets
United Airlines
Feb 24
MSO2:34 pmMissoula Johnson-Bell Field
20h 22m
2 stops
STT1:56 pmSaint Thomas Island Cyril E King
Feb 26
STT1:02 pmSaint Thomas Island Cyril E King
35h 55m
2 stops
MSO9:57 pmMissoula Johnson-Bell Field
$893
United Airlines
Feb 24
MSO2:34 pmMissoula Johnson-Bell Field
20h 22m
2 stops
STT1:56 pmSaint Thomas Island Cyril E King
Feb 26
STT1:02 pmSaint Thomas Island Cyril E King
35h 55m
2 stops
MSO9:57 pmMissoula Johnson-Bell Field
$904
United Airlines
Feb 24
MSO2:34 pmMissoula Johnson-Bell Field
20h 22m
2 stops
STT1:56 pmSaint Thomas Island Cyril E King
Feb 26
STT1:02 pmSaint Thomas Island Cyril E King
35h 55m
2 stops
MSO9:57 pmMissoula Johnson-Bell Field
$914

American Airlines flights from Montana to Saint Thomas Island

Our best American Airlines deals on Montana to Saint Thomas Island flight tickets
American Airlines
Apr 11
MSO1:08 pmMissoula Johnson-Bell Field
19h 39m
2 stops
STT10:47 amSaint Thomas Island Cyril E King
Apr 12
STT2:05 pmSaint Thomas Island Cyril E King
24h 33m
2 stops
MSO12:38 pmMissoula Johnson-Bell Field
$2,273
American Airlines
Apr 11
MSO1:08 pmMissoula Johnson-Bell Field
19h 39m
2 stops
STT10:47 amSaint Thomas Island Cyril E King
Apr 12
STT5:05 pmSaint Thomas Island Cyril E King
21h 33m
3 stops
MSO12:38 pmMissoula Johnson-Bell Field
$5,070

momondo 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, momondo users made 832,500 searches. Data last updated February 12, 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

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

$893

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

$904

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

$914

KalispellSaint Thomas Island

FCA - STT

FCASTT

Kalispell Glacier Park

Mon 3/2

6:00 am-1:56 pm

2 stops28h 56m

Saint Thomas Island Cyril E King

Wed 3/4

3:05 pm-9:57 pm

2 stops33h 52m

$1,189

KalispellSaint Thomas Island

FCA - STT

FCASTT

Kalispell Glacier Park

Mon 3/2

6:00 am-1:56 pm

2 stops28h 56m

Saint Thomas Island Cyril E King

Wed 3/4

3:05 pm-9:57 pm

2 stops33h 52m

$1,199

KalispellSaint Thomas Island

FCA - STT

FCASTT

Kalispell Glacier Park

Mon 3/2

6:00 am-1:56 pm

2 stops28h 56m

Saint Thomas Island Cyril E King

Wed 3/4

1:02 pm-11:53 am

2 stops25h 51m

$1,262

KalispellSaint Thomas Island

FCA - STT

FCASTT

Kalispell Glacier Park

Mon 3/2

6:00 am-1:56 pm

2 stops28h 56m

Saint Thomas Island Cyril E King

Wed 3/4

3:05 pm-9:57 pm

2 stops33h 52m

$1,283

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

3:05 pm-12:34 pm

1 stop24h 29m

$1,817

MissoulaSaint Thomas Island

MSO - STT

MSOSTT

Missoula Johnson-Bell Field

Sat 4/11

1:08 pm-10:47 am

2 stops19h 39m

Saint Thomas Island Cyril E King

Sun 4/12

2:05 pm-12:38 pm

2 stops24h 33m

$2,273

MissoulaSaint Thomas Island

MSO - STT

MSOSTT

Missoula Johnson-Bell Field

Sat 4/11

1:08 pm-10:47 am

2 stops19h 39m

Saint Thomas Island Cyril E King

Sun 4/12

5:05 pm-12:38 pm

3 stops21h 33m

$5,070

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Saint Thomas Island from

How to get the cheapest flight ticket from Montana 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

How long does it take to fly to Saint Thomas Island?

Average flight duration from Montana to Saint Thomas Island depends on which airport you fly into and out of. Flying from Missoula to Saint Thomas Island is 20h 22m on average, while flying from Kalispell to Saint Thomas Island is 28h 56m on average. Saint Thomas Island is the most popular airport in Saint Thomas Island.

Cheap Montana to Saint Thomas Island flight deals and tips

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

Fastest flight time

20h 22m

Direct flights

None
The fastest flight from Montana to Saint Thomas Island takes 20h 22m
There are no direct flights from Montana to Saint Thomas Island. There are no popular flight routes from Montana to Saint Thomas Island.
Search flight deals

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

    Prices for flights from Montana to Saint Thomas Island Cyril E King Airport were last updated today.

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Montana 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.

Best airlines flying from Montana to Saint Thomas Island

Compare and see reviews for airlines that fly from Montana to Saint Thomas Island with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $724Free CancellationRating
7.2
11,275 reviews
Search American Airlines flights

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 Montana to Saint Thomas Island?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Saint Thomas Island from Montana.

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

Flights from Montana to Saint Thomas Island with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Saint Thomas Island from Montana.

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

If you are not ready to book a flight from Montana to Saint Thomas Island now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Saint Thomas Island and let you know when they change.

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