Cheap flights from Montana to Saint Thomas Island from $780

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 1/30. 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

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.

Find the cheapest flights from Montana to Saint Thomas Island

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
1:21 pm - 5:15 pmMSO-STT
24h 54m2 stops
American Airlines Logo
6:39 pm - 12:50 pmSTT-MSO
21h 11m2 stops
$780American Airlines
Find Deal
Fri, Jan 30 - Sat, Feb 7
United Airlines Logo
2:42 pm - 1:56 pmFCA-STT
20h 14m2 stops
United Airlines Logo
1:02 pm - 12:03 pmSTT-FCA
26h 01m2 stops
$942United Airlines
Find Deal
Tue, Jan 6 - Fri, Jan 16
United Airlines Logo
2:35 pm - 1:12 pmMSO-STT
19h 37m2 stops
United Airlines Logo
2:15 pm - 1:33 pmSTT-MSO
26h 18m2 stops
$1,072United Airlines
Find Deal
Thu, Nov 20 - Mon, Nov 24
American Airlines Logo
1:21 pm - 3:32 pmMSO-STT
23h 11m1 stop
American Airlines Logo
6:39 pm - 12:50 pmSTT-MSO
21h 11m2 stops
$1,101American Airlines
Find Deal
Fri, Jan 30 - Sat, Feb 7
United Airlines Logo
6:20 am - 1:12 pmMSO-STT
27h 52m3 stops
United Airlines Logo
2:15 pm - 1:33 pmSTT-MSO
26h 18m2 stops
$1,116United Airlines
Find Deal
Thu, Nov 20 - Mon, Nov 24
United Airlines Logo
2:42 pm - 1:56 pmFCA-STT
20h 14m2 stops
United Airlines Logo
3:05 pm - 12:03 pmSTT-FCA
23h 58m1 stop
$1,124United Airlines
Find Deal
Tue, Jan 6 - Fri, Jan 16
United Airlines Logo
6:31 am - 11:00 amFCA-STT
26h 29m2 stops
United Airlines Logo
2:35 pm - 1:34 pmSTT-FCA
24h 59m2 stops
$1,177United Airlines
Find Deal
Tue, Mar 10 - Wed, Mar 11
United Airlines Logo
2:29 pm - 11:00 amFCA-STT
18h 31m2 stops
United Airlines Logo
2:35 pm - 1:34 pmSTT-FCA
24h 59m2 stops
$1,188United Airlines
Find Deal
Tue, Mar 10 - Wed, Mar 11
United Airlines Logo
2:29 pm - 11:00 amFCA-STT
18h 31m2 stops
United Airlines Logo
2:35 pm - 1:34 pmSTT-FCA
24h 59m2 stops
$1,209United Airlines
Find Deal
Tue, Mar 10 - Wed, Mar 11
Multiple Airlines Logo
2:16 pm - 1:10 pmFCA-STT
19h 54m2 stops
Multiple Airlines Logo
4:47 pm - 1:14 pmSTT-FCA
23h 27m3 stops
$4,386Multiple Airlines
Find Deal
Tue, Jan 6 - Fri, Jan 16

United Airlines flights from Montana to Saint Thomas Island

Our best United Airlines deals on Montana to Saint Thomas Island flight tickets
United Airlines
Jan 6
FCA2:42 pmKalispell Glacier Park
20h 14m
2 stops
STT1:56 pmSaint Thomas Island Cyril E King
Jan 16
STT1:02 pmSaint Thomas Island Cyril E King
26h 01m
2 stops
FCA12:03 pmKalispell Glacier Park
United Airlines
Nov 20
MSO2:35 pmMissoula Johnson-Bell Field
19h 37m
2 stops
STT1:12 pmSaint Thomas Island Cyril E King
Nov 24
STT2:15 pmSaint Thomas Island Cyril E King
26h 18m
2 stops
MSO1:33 pmMissoula Johnson-Bell Field
United Airlines
Nov 20
MSO6:20 amMissoula Johnson-Bell Field
27h 52m
3 stops
STT1:12 pmSaint Thomas Island Cyril E King
Nov 24
STT2:15 pmSaint Thomas Island Cyril E King
26h 18m
2 stops
MSO1:33 pmMissoula Johnson-Bell Field

American Airlines flights from Montana to Saint Thomas Island

Our best American Airlines deals on Montana to Saint Thomas Island flight tickets
American Airlines
Jan 30
MSO1:21 pmMissoula Johnson-Bell Field
24h 54m
2 stops
STT5:15 pmSaint Thomas Island Cyril E King
Feb 7
STT6:39 pmSaint Thomas Island Cyril E King
21h 11m
2 stops
MSO12:50 pmMissoula Johnson-Bell Field
American Airlines
Jan 30
MSO1:21 pmMissoula Johnson-Bell Field
23h 11m
1 stop
STT3:32 pmSaint Thomas Island Cyril E King
Feb 7
STT6:39 pmSaint Thomas Island Cyril E King
21h 11m
2 stops
MSO12:50 pmMissoula Johnson-Bell Field
American Airlines
Jan 30
MSO1:21 pmMissoula Johnson-Bell Field
23h 11m
1 stop
STT3:32 pmSaint Thomas Island Cyril E King
Feb 7
STT3:46 pmSaint Thomas Island Cyril E King
24h 04m
1 stop
MSO12:50 pmMissoula Johnson-Bell Field

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 November 6, 2025.
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

Fri 1/30

1:21 pm-5:15 pm

2 stops24h 54m

Saint Thomas Island Cyril E King

Sat 2/7

6:39 pm-12:50 pm

2 stops21h 11m

$780

KalispellSaint Thomas Island

FCA - STT

FCASTT

Kalispell Glacier Park

Tue 1/6

2:42 pm-1:56 pm

2 stops20h 14m

Saint Thomas Island Cyril E King

Fri 1/16

1:02 pm-12:03 pm

2 stops26h 01m

$942

MissoulaSaint Thomas Island

MSO - STT

MSOSTT

Missoula Johnson-Bell Field

Thu 11/20

2:35 pm-1:12 pm

2 stops19h 37m

Saint Thomas Island Cyril E King

Mon 11/24

2:15 pm-1:33 pm

2 stops26h 18m

$1,072

MissoulaSaint Thomas Island

MSO - STT

MSOSTT

Missoula Johnson-Bell Field

Fri 1/30

1:21 pm-3:32 pm

1 stop23h 11m

Saint Thomas Island Cyril E King

Sat 2/7

6:39 pm-12:50 pm

2 stops21h 11m

$1,101

MissoulaSaint Thomas Island

MSO - STT

MSOSTT

Missoula Johnson-Bell Field

Thu 11/20

6:20 am-1:12 pm

3 stops27h 52m

Saint Thomas Island Cyril E King

Mon 11/24

2:15 pm-1:33 pm

2 stops26h 18m

$1,116

KalispellSaint Thomas Island

FCA - STT

FCASTT

Kalispell Glacier Park

Tue 1/6

2:42 pm-1:56 pm

2 stops20h 14m

Saint Thomas Island Cyril E King

Fri 1/16

3:05 pm-12:03 pm

1 stop23h 58m

$1,124

KalispellSaint Thomas Island

FCA - STT

FCASTT

Kalispell Glacier Park

Tue 3/10

6:31 am-11:00 am

2 stops26h 29m

Saint Thomas Island Cyril E King

Wed 3/11

2:35 pm-1:34 pm

2 stops24h 59m

$1,177

KalispellSaint Thomas Island

FCA - STT

FCASTT

Kalispell Glacier Park

Tue 3/10

2:29 pm-11:00 am

2 stops18h 31m

Saint Thomas Island Cyril E King

Wed 3/11

2:35 pm-1:34 pm

2 stops24h 59m

$1,188

KalispellSaint Thomas Island

FCA - STT

FCASTT

Kalispell Glacier Park

Tue 3/10

2:29 pm-11:00 am

2 stops18h 31m

Saint Thomas Island Cyril E King

Wed 3/11

2:35 pm-1:34 pm

2 stops24h 59m

$1,209

KalispellSaint Thomas Island

FCA - STT

FCASTT

Kalispell Glacier Park

Tue 1/6

2:16 pm-1:10 pm

2 stops19h 54m

Saint Thomas Island Cyril E King

Fri 1/16

4:47 pm-1:14 pm

3 stops23h 27m

$4,386

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

What is the cheapest day to depart on your flight to Saint Thomas Island?

On average, the least expensive day to fly to Saint Thomas Island from Montana is on a Monday. momondo users have found tickets for Monday departures for as low as $589. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Montana to Saint Thomas Island for around $875.

What is the cheapest time of day to depart on your flight to Saint Thomas Island?

The cheapest time of day to fly to Saint Thomas Island is at noon when flights can be purchased for as low as $627. Flights to Saint Thomas Island are more costly in the morning, with an average ticket price of $881. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

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

Direct flights

None
There are no direct flights from Montana to Saint Thomas Island. There are no popular flight routes from Montana to Saint Thomas Island.
  • 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 $667Free CancellationRating
7.2
11,040 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.

An easier way to manage your Saint Thomas Island trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sat 12/6
Sat 12/13

Find better results for your trip to the U.S. Virgin Islands

Airports servicing U.S. Virgin Islands