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Cheap flights from Idaho to Saint Thomas Island from $608

This is the cheapest round-trip 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 1/6. 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.
American Airlines Logo
2:52 pm - 1:10 pm
BOI
-
STT
19h 18m2 stops
American Airlines Logo
6:39 pm - 1:08 pm
STT
-
BOI
21h 29m2 stops
$608American Airlines
Tue, Jan 6 - Sat, Jan 10
American Airlines Logo
6:33 pm - 11:06 am
BOI
-
STT
14h 33m2 stops
American Airlines Logo
5:37 pm - 12:48 pm
STT
-
BOI
21h 11m2 stops
$654American Airlines
Sun, Mar 22 - Sat, Mar 28
American Airlines Logo
1:08 pm - 1:02 pm
JAC
-
STT
21h 54m2 stops
American Airlines Logo
3:40 pm - 12:28 pm
STT
-
JAC
22h 48m2 stops
$709American Airlines
Tue, Mar 24 - Tue, Mar 31
American Airlines Logo
5:15 pm - 11:10 am
BOI
-
STT
15h 55m2 stops
American Airlines Logo
5:10 pm - 12:23 pm
STT
-
BOI
21h 13m2 stops
$834American Airlines
Fri, Apr 17 - Thu, Apr 23
United Airlines Logo
1:05 pm - 1:56 pm
JAC
-
STT
21h 51m2 stops
United Airlines Logo
1:02 pm - 6:09 pm
STT
-
JAC
32h 07m2 stops
$856United Airlines
Sun, Feb 15 - Thu, Feb 19
United Airlines Logo
8:50 am - 1:56 pm
JAC
-
STT
26h 06m2 stops
United Airlines Logo
1:02 pm - 6:09 pm
STT
-
JAC
32h 07m2 stops
$884United Airlines
Sun, Feb 15 - Thu, Feb 19
United Airlines Logo
1:33 pm - 1:30 pm
JAC
-
STT
21h 57m2 stops
United Airlines Logo
4:45 pm - 11:17 am
STT
-
JAC
20h 32m2 stops
$916United Airlines
Wed, Mar 25 - Mon, Mar 30
Delta Logo
11:36 pm - 3:16 pm
BOI
-
STT
13h 40m1 stop
Delta Logo
3:00 pm - 10:28 pm
STT
-
BOI
9h 28m1 stop
$990Delta
Fri, Apr 17 - Thu, Apr 23
Delta Logo
7:30 pm - 12:03 pm
BOI
-
STT
14h 33m2 stops
Delta Logo
1:27 pm - 10:38 pm
STT
-
BOI
11h 11m1 stop
$1,090Delta
Fri, Jun 5 - Wed, Jun 17
Delta Logo
11:36 pm - 3:16 pm
BOI
-
STT
13h 40m1 stop
Delta Logo
1:15 pm - 10:28 pm
STT
-
BOI
11h 13m1 stop
$1,117Delta
Fri, Apr 17 - Thu, Apr 23

American Airlines flights from Idaho to Saint Thomas Island

Our best American Airlines deals on Idaho to Saint Thomas Island flight tickets
American Airlines
Jan 6
BOI2:52 pmBoise Air Term. Gowen Fld
19h 18m
2 stops
STT1:10 pmSaint Thomas Island Cyril E King
Jan 10
STT6:39 pmSaint Thomas Island Cyril E King
21h 29m
2 stops
BOI1:08 pmBoise Air Term. Gowen Fld
$608
Find similar
American Airlines
Mar 22
BOI6:33 pmBoise Air Term. Gowen Fld
14h 33m
2 stops
STT11:06 amSaint Thomas Island Cyril E King
Mar 28
STT5:37 pmSaint Thomas Island Cyril E King
21h 11m
2 stops
BOI12:48 pmBoise Air Term. Gowen Fld
$654
Find similar
American Airlines
Mar 24
JAC1:08 pmJackson Hole
21h 54m
2 stops
STT1:02 pmSaint Thomas Island Cyril E King
Mar 31
STT3:40 pmSaint Thomas Island Cyril E King
22h 48m
2 stops
JAC12:28 pmJackson Hole
$709
Find similar

Delta flights from Idaho to Saint Thomas Island

Our best Delta deals on Idaho to Saint Thomas Island flight tickets
Delta
Apr 17
BOI11:36 pmBoise Air Term. Gowen Fld
13h 40m
1 stop
STT3:16 pmSaint Thomas Island Cyril E King
Apr 23
STT3:00 pmSaint Thomas Island Cyril E King
9h 28m
1 stop
BOI10:28 pmBoise Air Term. Gowen Fld
$990
Find similar
Delta
Jun 5
BOI7:30 pmBoise Air Term. Gowen Fld
14h 33m
2 stops
STT12:03 pmSaint Thomas Island Cyril E King
Jun 17
STT1:27 pmSaint Thomas Island Cyril E King
11h 11m
1 stop
BOI10:38 pmBoise Air Term. Gowen Fld
$1,090
Find similar
Delta
Apr 17
BOI11:36 pmBoise Air Term. Gowen Fld
13h 40m
1 stop
STT3:16 pmSaint Thomas Island Cyril E King
Apr 23
STT1:15 pmSaint Thomas Island Cyril E King
11h 13m
1 stop
BOI10:28 pmBoise Air Term. Gowen Fld
$1,117
Find similar

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 December 23, 2025.
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 1/6

2:52 pm-1:10 pm

2 stops19h 18m

Saint Thomas Island Cyril E King

Sat 1/10

6:39 pm-1:08 pm

2 stops21h 29m

$608

BoiseSaint Thomas Island

BOI - STT

BOISTT

Boise Air Term. Gowen Fld

Sun 3/22

6:33 pm-11:06 am

2 stops14h 33m

Saint Thomas Island Cyril E King

Sat 3/28

5:37 pm-12:48 pm

2 stops21h 11m

$654

JacksonSaint Thomas Island

JAC - STT

JACSTT

Jackson Hole

Tue 3/24

1:08 pm-1:02 pm

2 stops21h 54m

Saint Thomas Island Cyril E King

Tue 3/31

3:40 pm-12:28 pm

2 stops22h 48m

$709

BoiseSaint Thomas Island

BOI - STT

BOISTT

Boise Air Term. Gowen Fld

Fri 4/17

5:15 pm-11:10 am

2 stops15h 55m

Saint Thomas Island Cyril E King

Thu 4/23

5:10 pm-12:23 pm

2 stops21h 13m

$834

JacksonSaint Thomas Island

JAC - STT

JACSTT

Jackson Hole

Sun 2/15

1:05 pm-1:56 pm

2 stops21h 51m

Saint Thomas Island Cyril E King

Thu 2/19

1:02 pm-6:09 pm

2 stops32h 07m

$856

JacksonSaint Thomas Island

JAC - STT

JACSTT

Jackson Hole

Sun 2/15

8:50 am-1:56 pm

2 stops26h 06m

Saint Thomas Island Cyril E King

Thu 2/19

1:02 pm-6:09 pm

2 stops32h 07m

$884

JacksonSaint Thomas Island

JAC - STT

JACSTT

Jackson Hole

Wed 3/25

1:33 pm-1:30 pm

2 stops21h 57m

Saint Thomas Island Cyril E King

Mon 3/30

4:45 pm-11:17 am

2 stops20h 32m

$916

BoiseSaint Thomas Island

BOI - STT

BOISTT

Boise Air Term. Gowen Fld

Fri 4/17

11:36 pm-3:16 pm

1 stop13h 40m

Saint Thomas Island Cyril E King

Thu 4/23

3:00 pm-10:28 pm

1 stop9h 28m

$990

BoiseSaint Thomas Island

BOI - STT

BOISTT

Boise Air Term. Gowen Fld

Fri 6/5

7:30 pm-12:03 pm

2 stops14h 33m

Saint Thomas Island Cyril E King

Wed 6/17

1:27 pm-10:38 pm

1 stop11h 11m

$1,090

BoiseSaint Thomas Island

BOI - STT

BOISTT

Boise Air Term. Gowen Fld

Fri 4/17

11:36 pm-3:16 pm

1 stop13h 40m

Saint Thomas Island Cyril E King

Thu 4/23

1:15 pm-10:28 pm

1 stop11h 13m

$1,117

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 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 September is another great option to travel to Saint Thomas Island, with average flight prices from Idaho averaging around $654.

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 Idaho is on a Monday. momondo users have found tickets for Monday departures for as low as $607. 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 Idaho to Saint Thomas Island for around $1,065.

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 in the morning when flights can be purchased for as low as $529. Flights to Saint Thomas Island are more costly in the afternoon, with an average ticket price of $945. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

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

15h 22m

Direct flights

None
The fastest flight from Idaho to Saint Thomas Island takes 15h 22m
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
11,054 reviews
Search American Airlines flights
DeltaPriceFrom $625Free CancellationRating
7.9
8,014 reviews
Search Delta 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.

An easier way to manage your Saint Thomas Island trip

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