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Cheap flights from Idaho to Saint Thomas Island from $392

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 8/15. 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

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Idaho to Saint Thomas Island

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
2:21 pm - 12:40 pm
BOI
-
STT
20h 19m
2 stops
American Airlines Logo
6:17 pm - 12:38 pm
STT
-
BOI
21h 21m
2 stops
$535American Airlines
Wed, Oct 28 - Tue, Nov 10
American Airlines Logo
3:21 pm - 12:51 pm
BOI
-
STT
19h 30m
2 stops
American Airlines Logo
1:41 pm - 2:31 pm
STT
-
BOI
26h 50m
2 stops
$565American Airlines
Fri, Sep 18 - Thu, Sep 24
American Airlines Logo
8:05 am - 12:51 pm
BOI
-
STT
26h 46m
2 stops
American Airlines Logo
1:41 pm - 2:31 pm
STT
-
BOI
26h 50m
2 stops
$650American Airlines
Sat, Sep 19 - Thu, Sep 24
American Airlines Logo
7:02 am - 12:51 pm
BOI
-
STT
27h 49m
2 stops
American Airlines Logo
1:41 pm - 2:31 pm
STT
-
BOI
26h 50m
2 stops
$655American Airlines
Wed, Sep 16 - Thu, Sep 24
Delta Logo
11:35 pm - 1:44 pm
BOI
-
STT
12h 09m
1 stop
Delta Logo
2:54 pm - 10:17 pm
STT
-
BOI
9h 23m
1 stop
$670Delta
Mon, Sep 21 - Thu, Sep 24
American Airlines Logo
5:20 pm - 12:51 pm
BOI
-
STT
17h 31m
2 stops
American Airlines Logo
1:41 pm - 2:31 pm
STT
-
BOI
26h 50m
2 stops
$673American Airlines
Thu, Sep 17 - Thu, Sep 24
American Airlines Logo
5:19 pm - 12:53 pm
BOI
-
STT
17h 34m
2 stops
American Airlines Logo
12:08 pm - 1:59 pm
STT
-
BOI
27h 51m
2 stops
$685American Airlines
Sat, Aug 15 - Sat, Aug 22
American Airlines Logo
1:52 pm - 12:51 pm
BOI
-
STT
20h 59m
2 stops
American Airlines Logo
1:41 pm - 11:41 pm
STT
-
BOI
12h 00m
2 stops
$688American Airlines
Tue, Sep 15 - Thu, Sep 24
American Airlines Logo
5:19 pm - 12:53 pm
BOI
-
STT
17h 34m
2 stops
American Airlines Logo
4:42 pm - 11:22 am
STT
-
BOI
20h 40m
2 stops
$690American Airlines
Wed, Aug 19 - Sat, Aug 22
Delta Logo
6:40 pm - 1:44 pm
BOI
-
STT
17h 04m
2 stops
Delta Logo
2:54 pm - 10:17 pm
STT
-
BOI
9h 23m
1 stop
$700Delta
Mon, Sep 21 - Thu, Sep 24

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American Airlines flights from Idaho to Saint Thomas Island

Our best American Airlines deals on Idaho to Saint Thomas Island flight tickets
American Airlines
Sep 18
BOI3:21 pmBoise Air Term. Gowen Fld
19h 30m
2 stops
STT12:51 pmSaint Thomas Island Cyril E King
Sep 24
STT1:41 pmSaint Thomas Island Cyril E King
26h 50m
2 stops
BOI2:31 pmBoise Air Term. Gowen Fld
$565
American Airlines
Sep 16
BOI7:02 amBoise Air Term. Gowen Fld
27h 49m
2 stops
STT12:51 pmSaint Thomas Island Cyril E King
Sep 24
STT1:41 pmSaint Thomas Island Cyril E King
26h 50m
2 stops
BOI2:31 pmBoise Air Term. Gowen Fld
$655
American Airlines
Sep 17
BOI5:20 pmBoise Air Term. Gowen Fld
17h 31m
2 stops
STT12:51 pmSaint Thomas Island Cyril E King
Sep 24
STT1:41 pmSaint Thomas Island Cyril E King
26h 50m
2 stops
BOI2:31 pmBoise Air Term. Gowen Fld
$673

United Airlines flights from Idaho to Saint Thomas Island

Our best United Airlines deals on Idaho to Saint Thomas Island flight tickets
United Airlines
Jul 28
BOI7:05 pmBoise Air Term. Gowen Fld
42h 38m
3 stops
STT3:43 pmSaint Thomas Island Cyril E King
Aug 5
STT4:45 pmSaint Thomas Island Cyril E King
20h 47m
2 stops
BOI11:32 amBoise Air Term. Gowen Fld
$1,217
United Airlines
Jun 23
BOI7:05 pmBoise Air Term. Gowen Fld
18h 38m
3 stops
STT3:43 pmSaint Thomas Island Cyril E King
Jun 27
STT12:09 pmSaint Thomas Island Cyril E King
12h 47m
2 stops
BOI10:56 pmBoise Air Term. Gowen Fld
$1,813
United Airlines
Aug 8
JAC8:00 amJackson Hole
26h 20m
2 stops
STT12:20 pmSaint Thomas Island Cyril E King
Aug 15
STT2:10 pmSaint Thomas Island Cyril E King
32h 58m
1 stop
JAC9:08 pmJackson Hole
$7,519

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 June 11, 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

Cheapest round-trip

BoiseSaint Thomas Island

BOI - STT

BOISTT

Boise Air Term. Gowen Fld

Wed 10/28

2:21 pm-12:40 pm

2 stops20h 19m

Saint Thomas Island Cyril E King

Tue 11/10

6:17 pm-12:38 pm

2 stops21h 21m

$535

BoiseSaint Thomas Island

BOI - STT

BOISTT

Boise Air Term. Gowen Fld

Fri 9/18

3:21 pm-12:51 pm

2 stops19h 30m

Saint Thomas Island Cyril E King

Thu 9/24

1:41 pm-2:31 pm

2 stops26h 50m

$565

BoiseSaint Thomas Island

BOI - STT

BOISTT

Boise Air Term. Gowen Fld

Sat 9/19

8:05 am-12:51 pm

2 stops26h 46m

Saint Thomas Island Cyril E King

Thu 9/24

1:41 pm-2:31 pm

2 stops26h 50m

$650

BoiseSaint Thomas Island

BOI - STT

BOISTT

Boise Air Term. Gowen Fld

Wed 9/16

7:02 am-12:51 pm

2 stops27h 49m

Saint Thomas Island Cyril E King

Thu 9/24

1:41 pm-2:31 pm

2 stops26h 50m

$655
Quickest round-trip

BoiseSaint Thomas Island

BOI - STT

BOISTT

Boise Air Term. Gowen Fld

Mon 9/21

11:35 pm-1:44 pm

1 stop12h 09m

Saint Thomas Island Cyril E King

Thu 9/24

2:54 pm-10:17 pm

1 stop9h 23m

$670

BoiseSaint Thomas Island

BOI - STT

BOISTT

Boise Air Term. Gowen Fld

Thu 9/17

5:20 pm-12:51 pm

2 stops17h 31m

Saint Thomas Island Cyril E King

Thu 9/24

1:41 pm-2:31 pm

2 stops26h 50m

$673

BoiseSaint Thomas Island

BOI - STT

BOISTT

Boise Air Term. Gowen Fld

Sat 8/15

5:19 pm-12:53 pm

2 stops17h 34m

Saint Thomas Island Cyril E King

Sat 8/22

12:08 pm-1:59 pm

2 stops27h 51m

$685

BoiseSaint Thomas Island

BOI - STT

BOISTT

Boise Air Term. Gowen Fld

Tue 9/15

1:52 pm-12:51 pm

2 stops20h 59m

Saint Thomas Island Cyril E King

Thu 9/24

1:41 pm-11:41 pm

2 stops12h 00m

$688

BoiseSaint Thomas Island

BOI - STT

BOISTT

Boise Air Term. Gowen Fld

Wed 8/19

5:19 pm-12:53 pm

2 stops17h 34m

Saint Thomas Island Cyril E King

Sat 8/22

4:42 pm-11:22 am

2 stops20h 40m

$690

BoiseSaint Thomas Island

BOI - STT

BOISTT

Boise Air Term. Gowen Fld

Mon 9/21

6:40 pm-1:44 pm

2 stops17h 04m

Saint Thomas Island Cyril E King

Thu 9/24

2:54 pm-10:17 pm

1 stop9h 23m

$700

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 18 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 month to fly to Saint Thomas Island?

The month of October is another great option to travel to Saint Thomas Island, with average flight prices from Idaho averaging around $609.

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

12h 09m

Direct flights

None
The fastest flight from Idaho to Saint Thomas Island takes 12h 09m
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

Frequently asked questions about flying from Idaho to Saint Thomas Island

  • 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
7.1
11,636 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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