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Cheap flights from Idaho to Saint Thomas Island from $325

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Idaho to Saint Thomas Island departing on 4/11. 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 Idaho to Saint Thomas Island

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
6:55 pm - 12:56 pm
BOI
-
STT
16h 01m
2 stops
United Airlines Logo
2:05 pm - 10:56 pm
STT
-
BOI
10h 51m
1 stop
$630United Airlines
Tue, Mar 10 - Tue, Mar 17
Delta Logo
6:15 pm - 11:38 am
BOI
-
STT
15h 23m
2 stops
Delta Logo
1:55 pm - 10:25 pm
STT
-
BOI
10h 30m
1 stop
$640Delta
Tue, Mar 10 - Tue, Mar 17
United Airlines Logo
2:40 pm - 12:56 pm
BOI
-
STT
20h 16m
2 stops
United Airlines Logo
12:02 pm - 10:43 pm
STT
-
BOI
12h 41m
2 stops
$648United Airlines
Tue, Mar 10 - Tue, Mar 17
American Airlines Logo
2:14 pm - 11:35 am
BOI
-
STT
19h 21m
2 stops
American Airlines Logo
4:48 pm - 11:26 am
STT
-
BOI
20h 38m
2 stops
$665American Airlines
Tue, May 19 - Tue, May 26
Delta Logo
6:16 pm - 1:13 pm
BOI
-
STT
16h 57m
2 stops
Delta Logo
3:00 pm - 10:28 pm
STT
-
BOI
9h 28m
1 stop
$680Delta
Fri, Apr 17 - Thu, Apr 23
Delta Logo
11:35 pm - 2:48 pm
BOI
-
STT
13h 13m
1 stop
Delta Logo
3:00 pm - 10:28 pm
STT
-
BOI
9h 28m
1 stop
$690Delta
Fri, Apr 17 - Thu, Apr 23
Delta Logo
11:35 pm - 2:48 pm
BOI
-
STT
13h 13m
1 stop
Delta Logo
3:00 pm - 10:28 pm
STT
-
BOI
9h 28m
1 stop
$700Delta
Fri, Apr 17 - Thu, Apr 23
American Airlines Logo
6:26 pm - 10:47 am
BOI
-
STT
14h 21m
2 stops
American Airlines Logo
1:15 pm - 11:41 pm
STT
-
BOI
12h 26m
2 stops
$705American Airlines
Fri, Apr 17 - Thu, Apr 23
American Airlines Logo
6:26 pm - 10:47 am
BOI
-
STT
14h 21m
2 stops
American Airlines Logo
5:05 pm - 1:42 pm
STT
-
BOI
22h 37m
2 stops
$720American Airlines
Fri, Apr 17 - Thu, Apr 23
United Airlines Logo
7:00 am - 1:56 pm
JAC
-
STT
27h 56m
2 stops
United Airlines Logo
1:02 pm - 11:24 am
STT
-
JAC
25h 22m
2 stops
$901United Airlines
Sat, Feb 28 - Wed, Mar 4

United Airlines flights from Idaho to Saint Thomas Island

Our best United Airlines deals on Idaho to Saint Thomas Island flight tickets
United Airlines
Mar 10
BOI6:55 pmBoise Air Term. Gowen Fld
16h 01m
2 stops
STT12:56 pmSaint Thomas Island Cyril E King
Mar 17
STT2:05 pmSaint Thomas Island Cyril E King
10h 51m
1 stop
BOI10:56 pmBoise Air Term. Gowen Fld
$630
United Airlines
Mar 10
BOI2:40 pmBoise Air Term. Gowen Fld
20h 16m
2 stops
STT12:56 pmSaint Thomas Island Cyril E King
Mar 17
STT12:02 pmSaint Thomas Island Cyril E King
12h 41m
2 stops
BOI10:43 pmBoise Air Term. Gowen Fld
$648
United Airlines
Feb 27
BOI6:55 pmBoise Air Term. Gowen Fld
16h 35m
2 stops
STT2:30 pmSaint Thomas Island Cyril E King
Mar 3
STT1:02 pmSaint Thomas Island Cyril E King
13h 21m
2 stops
BOI11:23 pmBoise Air Term. Gowen Fld
$789

American Airlines flights from Idaho to Saint Thomas Island

Our best American Airlines deals on Idaho to Saint Thomas Island flight tickets
American Airlines
May 19
BOI2:14 pmBoise Air Term. Gowen Fld
19h 21m
2 stops
STT11:35 amSaint Thomas Island Cyril E King
May 26
STT4:48 pmSaint Thomas Island Cyril E King
20h 38m
2 stops
BOI11:26 amBoise Air Term. Gowen Fld
$665
American Airlines
Apr 17
BOI6:26 pmBoise Air Term. Gowen Fld
14h 21m
2 stops
STT10:47 amSaint Thomas Island Cyril E King
Apr 23
STT1:15 pmSaint Thomas Island Cyril E King
12h 26m
2 stops
BOI11:41 pmBoise Air Term. Gowen Fld
$705
American Airlines
Apr 17
BOI6:26 pmBoise Air Term. Gowen Fld
14h 21m
2 stops
STT10:47 amSaint Thomas Island Cyril E King
Apr 23
STT5:05 pmSaint Thomas Island Cyril E King
22h 37m
2 stops
BOI1:42 pmBoise Air Term. Gowen Fld
$720

momondo Fare Finder

 
Customize your flight search to find flights from Idaho 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 Idaho to Saint Thomas Island that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BoiseSaint Thomas Island

BOI - STT

BOISTT

Boise Air Term. Gowen Fld

Tue 3/10

6:55 pm-12:56 pm

2 stops16h 01m

Saint Thomas Island Cyril E King

Tue 3/17

2:05 pm-10:56 pm

1 stop10h 51m

$630

BoiseSaint Thomas Island

BOI - STT

BOISTT

Boise Air Term. Gowen Fld

Tue 3/10

6:15 pm-11:38 am

2 stops15h 23m

Saint Thomas Island Cyril E King

Tue 3/17

1:55 pm-10:25 pm

1 stop10h 30m

$640

BoiseSaint Thomas Island

BOI - STT

BOISTT

Boise Air Term. Gowen Fld

Tue 3/10

2:40 pm-12:56 pm

2 stops20h 16m

Saint Thomas Island Cyril E King

Tue 3/17

12:02 pm-10:43 pm

2 stops12h 41m

$648

BoiseSaint Thomas Island

BOI - STT

BOISTT

Boise Air Term. Gowen Fld

Tue 5/19

2:14 pm-11:35 am

2 stops19h 21m

Saint Thomas Island Cyril E King

Tue 5/26

4:48 pm-11:26 am

2 stops20h 38m

$665

BoiseSaint Thomas Island

BOI - STT

BOISTT

Boise Air Term. Gowen Fld

Fri 4/17

6:16 pm-1:13 pm

2 stops16h 57m

Saint Thomas Island Cyril E King

Thu 4/23

3:00 pm-10:28 pm

1 stop9h 28m

$680

BoiseSaint Thomas Island

BOI - STT

BOISTT

Boise Air Term. Gowen Fld

Fri 4/17

11:35 pm-2:48 pm

1 stop13h 13m

Saint Thomas Island Cyril E King

Thu 4/23

3:00 pm-10:28 pm

1 stop9h 28m

$690

BoiseSaint Thomas Island

BOI - STT

BOISTT

Boise Air Term. Gowen Fld

Fri 4/17

11:35 pm-2:48 pm

1 stop13h 13m

Saint Thomas Island Cyril E King

Thu 4/23

3:00 pm-10:28 pm

1 stop9h 28m

$700

BoiseSaint Thomas Island

BOI - STT

BOISTT

Boise Air Term. Gowen Fld

Fri 4/17

6:26 pm-10:47 am

2 stops14h 21m

Saint Thomas Island Cyril E King

Thu 4/23

1:15 pm-11:41 pm

2 stops12h 26m

$705

BoiseSaint Thomas Island

BOI - STT

BOISTT

Boise Air Term. Gowen Fld

Fri 4/17

6:26 pm-10:47 am

2 stops14h 21m

Saint Thomas Island Cyril E King

Thu 4/23

5:05 pm-1:42 pm

2 stops22h 37m

$720

JacksonSaint Thomas Island

JAC - STT

JACSTT

Jackson Hole

Sat 2/28

7:00 am-1:56 pm

2 stops27h 56m

Saint Thomas Island Cyril E King

Wed 3/4

1:02 pm-11:24 am

2 stops25h 22m

$901

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 Idaho 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 airline that flies from Idaho to Saint Thomas Island Cyril E King?

United Airlines is the most popular carrier operating from Idaho to Saint Thomas Island Cyril E King

Cheap Idaho to Saint Thomas Island flight deals and tips

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

Fastest flight time

14h 05m

Direct flights

None
The fastest flight from Idaho to Saint Thomas Island takes 14h 05m
There are no direct flights from Idaho to Saint Thomas Island. There are no popular flight routes from Idaho to Saint Thomas Island.
Search flight deals

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

    Prices for flights from Idaho to Saint Thomas Island Cyril E King Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Idaho to Saint Thomas Island Cyril E King Airport?

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Idaho 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 required travel and health documents for your Saint Thomas Island Cyril E King Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Saint Thomas Island Cyril E King Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Idaho to Saint Thomas Island

Compare and see reviews for airlines that fly from Idaho to Saint Thomas Island with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $609Free 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 Idaho to Saint Thomas Island?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Idaho to Saint Thomas Island. momondo saves you time and could save you money on your trip.

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

momondo does allow users to show only those flights to Saint Thomas Island from Idaho which offer a flexible booking policy as well as other useful filters and features.

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

momondo provides multiple filters to help you find the best flight to Saint Thomas Island from Idaho. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

If you are not ready to book a flight from Idaho 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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