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Cheap flights from Montana to Saint Thomas Island from $368

This is the cheapest one-way 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 8/13. 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
1 adult, Economy, 0 bags

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
7:00 am - 12:07 pm
MSO
-
STT
26h 07m
2 stops
American Airlines Logo
4:27 pm - 12:35 pm
STT
-
MSO
23h 08m
2 stops
$650American Airlines
Tue, Nov 3 - Tue, Nov 10
American Airlines Logo
1:45 pm - 12:39 pm
MSO
-
STT
20h 54m
2 stops
American Airlines Logo
3:46 pm - 1:15 pm
STT
-
MSO
23h 29m
2 stops
$751American Airlines
Wed, Oct 14 - Sun, Oct 18
American Airlines Logo
1:45 pm - 12:07 pm
MSO
-
STT
19h 22m
2 stops
American Airlines Logo
6:17 pm - 12:35 pm
STT
-
MSO
21h 18m
3 stops
$870American Airlines
Tue, Nov 3 - Tue, Nov 10
United Airlines Logo
2:27 pm - 12:05 pm
MSO
-
STT
18h 38m
2 stops
United Airlines Logo
1:07 pm - 1:32 pm
STT
-
MSO
27h 25m
2 stops
$1,050United Airlines
Mon, Nov 2 - Fri, Nov 6
United Airlines Logo
2:27 pm - 12:05 pm
MSO
-
STT
18h 38m
2 stops
United Airlines Logo
1:07 pm - 1:32 pm
STT
-
MSO
27h 25m
2 stops
$1,070United Airlines
Mon, Nov 2 - Fri, Nov 6
American Airlines Logo
5:52 pm - 12:53 pm
MSO
-
STT
17h 01m
2 stops
American Airlines Logo
4:42 pm - 12:35 pm
STT
-
MSO
21h 53m
2 stops
$1,087American Airlines
Thu, Aug 13 - Fri, Aug 14
United Airlines Logo
2:27 pm - 1:56 pm
MSO
-
STT
20h 29m
2 stops
United Airlines Logo
2:15 pm - 4:10 pm
STT
-
MSO
28h 55m
3 stops
$1,150United Airlines
Tue, Nov 3 - Thu, Dec 10
American Airlines Logo
2:09 pm - 12:59 pm
MSO
-
STT
20h 50m
2 stops
American Airlines Logo
1:49 pm - 1:17 pm
STT
-
MSO
25h 28m
2 stops
$1,152American Airlines
Thu, Jul 30 - Mon, Aug 3
American Airlines Logo
2:09 pm - 4:11 pm
MSO
-
STT
24h 02m
1 stop
American Airlines Logo
4:50 pm - 1:17 pm
STT
-
MSO
22h 27m
2 stops
$1,508American Airlines
Thu, Jul 30 - Mon, Aug 3
American Airlines Logo
2:09 pm - 4:11 pm
MSO
-
STT
24h 02m
1 stop
American Airlines Logo
2:28 pm - 10:40 pm
STT
-
MSO
10h 12m
1 stop
$2,552American Airlines
Thu, Jul 30 - Mon, Aug 3

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United Airlines flights from Montana to Saint Thomas Island

Our best United Airlines deals on Montana to Saint Thomas Island flight tickets
United Airlines
Nov 2
MSO2:27 pmMissoula Johnson-Bell Field
18h 38m
2 stops
STT12:05 pmSaint Thomas Island Cyril E King
Nov 6
STT1:07 pmSaint Thomas Island Cyril E King
27h 25m
2 stops
MSO1:32 pmMissoula Johnson-Bell Field
$1,050
United Airlines
Nov 2
MSO2:27 pmMissoula Johnson-Bell Field
18h 38m
2 stops
STT12:05 pmSaint Thomas Island Cyril E King
Nov 6
STT1:07 pmSaint Thomas Island Cyril E King
27h 25m
2 stops
MSO1:32 pmMissoula Johnson-Bell Field
$1,070
United Airlines
Nov 3
MSO2:27 pmMissoula Johnson-Bell Field
20h 29m
2 stops
STT1:56 pmSaint Thomas Island Cyril E King
Dec 10
STT2:15 pmSaint Thomas Island Cyril E King
28h 55m
3 stops
MSO4:10 pmMissoula Johnson-Bell Field
$1,150

American Airlines flights from Montana to Saint Thomas Island

Our best American Airlines deals on Montana to Saint Thomas Island flight tickets
American Airlines
Nov 3
MSO7:00 amMissoula Johnson-Bell Field
26h 07m
2 stops
STT12:07 pmSaint Thomas Island Cyril E King
Nov 10
STT4:27 pmSaint Thomas Island Cyril E King
23h 08m
2 stops
MSO12:35 pmMissoula Johnson-Bell Field
$650
American Airlines
Oct 14
MSO1:45 pmMissoula Johnson-Bell Field
20h 54m
2 stops
STT12:39 pmSaint Thomas Island Cyril E King
Oct 18
STT3:46 pmSaint Thomas Island Cyril E King
23h 29m
2 stops
MSO1:15 pmMissoula Johnson-Bell Field
$751
American Airlines
Nov 3
MSO1:45 pmMissoula Johnson-Bell Field
19h 22m
2 stops
STT12:07 pmSaint Thomas Island Cyril E King
Nov 10
STT6:17 pmSaint Thomas Island Cyril E King
21h 18m
3 stops
MSO12:35 pmMissoula Johnson-Bell Field
$870

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 July 15, 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

MissoulaSaint Thomas Island

MSO - STT

MSOSTT

Missoula Johnson-Bell Field

Tue 11/3

7:00 am-12:07 pm

2 stops26h 07m

Saint Thomas Island Cyril E King

Tue 11/10

4:27 pm-12:35 pm

2 stops23h 08m

$650

MissoulaSaint Thomas Island

MSO - STT

MSOSTT

Missoula Johnson-Bell Field

Wed 10/14

1:45 pm-12:39 pm

2 stops20h 54m

Saint Thomas Island Cyril E King

Sun 10/18

3:46 pm-1:15 pm

2 stops23h 29m

$751

MissoulaSaint Thomas Island

MSO - STT

MSOSTT

Missoula Johnson-Bell Field

Tue 11/3

1:45 pm-12:07 pm

2 stops19h 22m

Saint Thomas Island Cyril E King

Tue 11/10

6:17 pm-12:35 pm

3 stops21h 18m

$870

MissoulaSaint Thomas Island

MSO - STT

MSOSTT

Missoula Johnson-Bell Field

Mon 11/2

2:27 pm-12:05 pm

2 stops18h 38m

Saint Thomas Island Cyril E King

Fri 11/6

1:07 pm-1:32 pm

2 stops27h 25m

$1,050

MissoulaSaint Thomas Island

MSO - STT

MSOSTT

Missoula Johnson-Bell Field

Mon 11/2

2:27 pm-12:05 pm

2 stops18h 38m

Saint Thomas Island Cyril E King

Fri 11/6

1:07 pm-1:32 pm

2 stops27h 25m

$1,070

MissoulaSaint Thomas Island

MSO - STT

MSOSTT

Missoula Johnson-Bell Field

Thu 8/13

5:52 pm-12:53 pm

2 stops17h 01m

Saint Thomas Island Cyril E King

Fri 8/14

4:42 pm-12:35 pm

2 stops21h 53m

$1,087

MissoulaSaint Thomas Island

MSO - STT

MSOSTT

Missoula Johnson-Bell Field

Tue 11/3

2:27 pm-1:56 pm

2 stops20h 29m

Saint Thomas Island Cyril E King

Thu 12/10

2:15 pm-4:10 pm

3 stops28h 55m

$1,150

MissoulaSaint Thomas Island

MSO - STT

MSOSTT

Missoula Johnson-Bell Field

Thu 7/30

2:09 pm-12:59 pm

2 stops20h 50m

Saint Thomas Island Cyril E King

Mon 8/3

1:49 pm-1:17 pm

2 stops25h 28m

$1,152

MissoulaSaint Thomas Island

MSO - STT

MSOSTT

Missoula Johnson-Bell Field

Thu 7/30

2:09 pm-4:11 pm

1 stop24h 02m

Saint Thomas Island Cyril E King

Mon 8/3

4:50 pm-1:17 pm

2 stops22h 27m

$1,508
Quickest round-trip

MissoulaSaint Thomas Island

MSO - STT

MSOSTT

Missoula Johnson-Bell Field

Thu 7/30

2:09 pm-4:11 pm

1 stop24h 02m

Saint Thomas Island Cyril E King

Mon 8/3

2:28 pm-10:40 pm

1 stop10h 12m

$2,552

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 resultsSorted by cheapest first
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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

Can stopping save me money on Montana to Saint Thomas Island flights?

You could potentially save up to 11% on your flight if you consider stops on a Montana to Saint Thomas Island flight.

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 29m

Direct flights

None
The fastest flight from Montana to Saint Thomas Island takes 20h 29m
There are no direct flights from Montana to Saint Thomas Island. There are no popular flight routes from Montana to Saint Thomas Island.
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Frequently asked questions about flying 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.

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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