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Cheap flights from Idaho to Saint Thomas Island from $358

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 6/20. 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.
Delta Logo
11:35 pm - 3:17 pm
BOI
-
STT
13h 42m
1 stop
Delta Logo
1:16 pm - 10:28 pm
STT
-
BOI
11h 12m
1 stop
$540Delta
Wed, May 6 - Fri, May 15
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
$545American Airlines
Wed, May 6 - Fri, May 15
Southwest Logo
3:25 pm - 12:55 pm
BOI
-
STT
19h 30m
2 stops
Southwest Logo
2:45 pm - 1:45 am
STT
-
BOI
13h 00m
2 stops
$632Southwest
Sat, Jul 4 - Thu, Jul 9
Delta Logo
6:16 pm - 1:13 pm
BOI
-
STT
16h 57m
2 stops
Delta Logo
3:05 pm - 10:28 pm
STT
-
BOI
9h 23m
1 stop
$651Delta
Fri, Apr 17 - Thu, Apr 23
Delta Logo
11:35 pm - 1:51 pm
BOI
-
STT
12h 16m
1 stop
Delta Logo
1:59 pm - 10:28 pm
STT
-
BOI
10h 29m
1 stop
$681Delta
Fri, Apr 17 - Thu, Apr 23
United Airlines Logo
7:03 pm - 12:20 pm
BOI
-
STT
15h 17m
2 stops
United Airlines Logo
2:10 pm - 11:02 pm
STT
-
BOI
10h 52m
1 stop
$695United Airlines
Tue, Apr 21 - Thu, Apr 23
American Airlines Logo
6:26 pm - 10:47 am
BOI
-
STT
14h 21m
2 stops
American Airlines Logo
5:05 pm - 12:51 pm
STT
-
BOI
21h 46m
2 stops
$700American Airlines
Fri, Apr 17 - Thu, Apr 23
Delta Logo
11:35 pm - 1:51 pm
BOI
-
STT
12h 16m
1 stop
Delta Logo
1:59 pm - 10:28 pm
STT
-
BOI
10h 29m
1 stop
$712Delta
Fri, Apr 17 - Thu, Apr 23
United Airlines Logo
7:03 pm - 12:20 pm
BOI
-
STT
15h 17m
2 stops
United Airlines Logo
1:22 pm - 10:16 pm
STT
-
BOI
34h 54m
2 stops
$720United Airlines
Mon, Apr 27 - Thu, Apr 30
United Airlines Logo
7:03 pm - 12:20 pm
BOI
-
STT
15h 17m
2 stops
United Airlines Logo
2:10 pm - 10:03 pm
STT
-
BOI
33h 53m
2 stops
$721United Airlines
Tue, Apr 21 - Thu, Apr 23

United Airlines flights from Idaho to Saint Thomas Island

Our best United Airlines deals on Idaho to Saint Thomas Island flight tickets
United Airlines
Apr 21
BOI7:03 pmBoise Air Term. Gowen Fld
15h 17m
2 stops
STT12:20 pmSaint Thomas Island Cyril E King
Apr 23
STT2:10 pmSaint Thomas Island Cyril E King
10h 52m
1 stop
BOI11:02 pmBoise Air Term. Gowen Fld
$695
United Airlines
Apr 27
BOI7:03 pmBoise Air Term. Gowen Fld
15h 17m
2 stops
STT12:20 pmSaint Thomas Island Cyril E King
Apr 30
STT1:22 pmSaint Thomas Island Cyril E King
34h 54m
2 stops
BOI10:16 pmBoise Air Term. Gowen Fld
$720
United Airlines
Apr 21
BOI7:03 pmBoise Air Term. Gowen Fld
15h 17m
2 stops
STT12:20 pmSaint Thomas Island Cyril E King
Apr 23
STT2:10 pmSaint Thomas Island Cyril E King
33h 53m
2 stops
BOI10:03 pmBoise Air Term. Gowen Fld
$721

Delta flights from Idaho to Saint Thomas Island

Our best Delta deals on Idaho to Saint Thomas Island flight tickets
Delta
May 6
BOI8:40 pmBoise Air Term. Gowen Fld
13h 26m
2 stops
STT12:06 pmSaint Thomas Island Cyril E King
May 15
STT1:16 pmSaint Thomas Island Cyril E King
11h 12m
1 stop
BOI10:28 pmBoise Air Term. Gowen Fld
$540
Delta
Apr 17
BOI6:16 pmBoise Air Term. Gowen Fld
16h 57m
2 stops
STT1:13 pmSaint Thomas Island Cyril E King
Apr 23
STT3:05 pmSaint Thomas Island Cyril E King
9h 23m
1 stop
BOI10:28 pmBoise Air Term. Gowen Fld
$651
Delta
Apr 17
BOI11:35 pmBoise Air Term. Gowen Fld
12h 16m
1 stop
STT1:51 pmSaint Thomas Island Cyril E King
Apr 23
STT1:59 pmSaint Thomas Island Cyril E King
10h 29m
1 stop
BOI10:28 pmBoise Air Term. Gowen Fld
$681

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 April 1, 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 5/6

11:35 pm-3:17 pm

1 stop13h 42m

Saint Thomas Island Cyril E King

Fri 5/15

1:16 pm-10:28 pm

1 stop11h 12m

$540

BoiseSaint Thomas Island

BOI - STT

BOISTT

Boise Air Term. Gowen Fld

Wed 5/6

6:26 pm-10:47 am

2 stops14h 21m

Saint Thomas Island Cyril E King

Fri 5/15

5:05 pm-1:42 pm

2 stops22h 37m

$545

BoiseSaint Thomas Island

BOI - STT

BOISTT

Boise Air Term. Gowen Fld

Sat 7/4

3:25 pm-12:55 pm

2 stops19h 30m

Saint Thomas Island Cyril E King

Thu 7/9

2:45 pm-1:45 am

2 stops13h 00m

$632

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

3:05 pm-10:28 pm

1 stop9h 23m

$651
Quickest round-trip

BoiseSaint Thomas Island

BOI - STT

BOISTT

Boise Air Term. Gowen Fld

Fri 4/17

11:35 pm-1:51 pm

1 stop12h 16m

Saint Thomas Island Cyril E King

Thu 4/23

1:59 pm-10:28 pm

1 stop10h 29m

$681

BoiseSaint Thomas Island

BOI - STT

BOISTT

Boise Air Term. Gowen Fld

Tue 4/21

7:03 pm-12:20 pm

2 stops15h 17m

Saint Thomas Island Cyril E King

Thu 4/23

2:10 pm-11:02 pm

1 stop10h 52m

$695

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-12:51 pm

2 stops21h 46m

$700

BoiseSaint Thomas Island

BOI - STT

BOISTT

Boise Air Term. Gowen Fld

Fri 4/17

11:35 pm-1:51 pm

1 stop12h 16m

Saint Thomas Island Cyril E King

Thu 4/23

1:59 pm-10:28 pm

1 stop10h 29m

$712

BoiseSaint Thomas Island

BOI - STT

BOISTT

Boise Air Term. Gowen Fld

Mon 4/27

7:03 pm-12:20 pm

2 stops15h 17m

Saint Thomas Island Cyril E King

Thu 4/30

1:22 pm-10:16 pm

2 stops34h 54m

$720

BoiseSaint Thomas Island

BOI - STT

BOISTT

Boise Air Term. Gowen Fld

Tue 4/21

7:03 pm-12:20 pm

2 stops15h 17m

Saint Thomas Island Cyril E King

Thu 4/23

2:10 pm-10:03 pm

2 stops33h 53m

$721

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 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?

Delta, Southwest, and United Airlines are the most popular carriers 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

12h 16m

Direct flights

None
The fastest flight from Idaho to Saint Thomas Island takes 12h 16m
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
11,545 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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