HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Saint Thomas Island

$749+ Cheap flights from Idaho to Saint Thomas Island (STT)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/29. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — STT
Mar 6 — Mar 131
Fri 3/6
Fri 3/13
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Idaho to Saint Thomas Island with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Idaho to Saint Thomas Island

Cheapest flights from Idaho to Saint Thomas Island
Explore the most affordable flight options available from Idaho to Saint Thomas Island. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 4, 2026.

This American Airlines deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/287:20 pm
BOI
-
STT
2 stops13h 52m
American Airlines
Sun 4/55:25 pm
STT
-
BOI
2 stops21h 23m
American Airlines
Deal found 2/3$749
This American Airlines deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/206:26 pm
BOI
-
STT
2 stops19h 24m
American Airlines
Wed 5/274:48 pm
STT
-
BOI
2 stops20h 41m
American Airlines
Deal found 2/3$760
This American Airlines deal was found by Cheapflights users on 2/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/161:25 pm
JAC
-
STT
2 stops21h 50m
American Airlines
Fri 4/2412:25 pm
STT
-
JAC
2 stops26h 15m
American Airlines
Deal found 2/4$760
This Delta deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/176:16 pm
BOI
-
STT
2 stops16h 57m
Delta
Thu 4/233:00 pm
STT
-
BOI
1 stop9h 28m
Delta
Deal found 2/3$800
This United Airlines deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/236:55 pm
BOI
-
STT
2 stops16h 01m
United Airlines
Thu 2/263:05 pm
STT
-
BOI
1 stop10h 51m
United Airlines
Deal found 2/1$820
This American Airlines deal was found by Cheapflights users on 2/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/151:25 pm
JAC
-
STT
2 stops20h 10m
American Airlines
Fri 4/245:05 pm
STT
-
JAC
2 stops21h 35m
American Airlines
Deal found 2/4$870
This American Airlines deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/211:41 pm
BOI
-
STT
2 stops19h 31m
American Airlines
Sat 2/286:25 pm
STT
-
BOI
2 stops21h 23m
American Airlines
Deal found 2/3$885
This Delta deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/297:30 pm
BOI
-
STT
2 stops15h 30m
Delta
Sun 4/53:00 pm
STT
-
BOI
1 stop9h 25m
Delta
Deal found 2/3$909
This American Airlines deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/176:26 pm
BOI
-
STT
2 stops15h 09m
American Airlines
Thu 4/232:05 pm
STT
-
BOI
2 stops24h 58m
American Airlines
Deal found 2/3$941
This United Airlines deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/281:38 pm
JAC
-
STT
2 stops19h 22m
United Airlines
Wed 3/41:02 pm
STT
-
JAC
2 stops26h 50m
United Airlines
Deal found 2/2$946
This United Airlines deal was found by Cheapflights users on 2/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/164:15 pm
JAC
-
STT
3 stops18h 53m
United Airlines
Fri 4/244:45 pm
STT
-
JAC
3 stops22h 36m
United Airlines
Deal found 2/4$1,019

Find flight deals from Idaho to Saint Thomas Island

Keep the following information in mind while searching for Idaho to Saint Thomas Island flight deals. Data was last updated February 4, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$749
(American Airlines)

Popular in

November

Cheapest in

October

Average price

$1,008
Provider with most accurate pricing for Boise Air Term. Gowen Fld-Saint Thomas Island Cyril E King flight deals.
Search Deals
Provider most trusted by Cheapflights users for Boise Air Term. Gowen Fld-Saint Thomas Island Cyril E King flights.
Search Deals
From Idaho to Saint Thomas Island Cyril E King
Search Deals
Highest demand for flights based on searches. 23% potential increase in price ($298 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 15% potential price decrease ($134 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated February 4, 2026.
Use the filters below to find and compare flights from Idaho to Saint Thomas Island that are best for you.

Fly from

Idaho

Fly to

Saint Thomas Island

Route

Depart

Return

Price

BoiseSaint Thomas Island

BOI - STT

BOISTT

Boise Air Term. Gowen Fld

Sun 3/29

6:33 pm-11:06 am

2 stops14h 33m

Saint Thomas Island Cyril E King

Sun 4/5

5:25 pm-12:48 pm

2 stops21h 23m

$749

BoiseSaint Thomas Island

BOI - STT

BOISTT

Boise Air Term. Gowen Fld

Sat 3/28

7:20 pm-11:12 am

2 stops13h 52m

Saint Thomas Island Cyril E King

Sun 4/5

5:25 pm-12:48 pm

2 stops21h 23m

$749

BoiseSaint Thomas Island

BOI - STT

BOISTT

Boise Air Term. Gowen Fld

Wed 5/20

6:26 pm-3:50 pm

2 stops19h 24m

Saint Thomas Island Cyril E King

Wed 5/27

4:48 pm-11:29 am

2 stops20h 41m

$760

JacksonSaint Thomas Island

JAC - STT

JACSTT

Jackson Hole

Thu 4/16

1:25 pm-1:15 pm

2 stops21h 50m

Saint Thomas Island Cyril E King

Fri 4/24

12:25 pm-12:40 pm

2 stops26h 15m

$760

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

$800

BoiseSaint Thomas Island

BOI - STT

BOISTT

Boise Air Term. Gowen Fld

Mon 2/23

6:55 pm-1:56 pm

2 stops16h 01m

Saint Thomas Island Cyril E King

Thu 2/26

3:05 pm-10:56 pm

1 stop10h 51m

$820

JacksonSaint Thomas Island

JAC - STT

JACSTT

Jackson Hole

Wed 4/15

1:25 pm-11:35 am

2 stops20h 10m

Saint Thomas Island Cyril E King

Fri 4/24

5:05 pm-12:40 pm

2 stops21h 35m

$870

BoiseSaint Thomas Island

BOI - STT

BOISTT

Boise Air Term. Gowen Fld

Sat 2/21

1:41 pm-12:12 pm

2 stops19h 31m

Saint Thomas Island Cyril E King

Sat 2/28

6:25 pm-12:48 pm

2 stops21h 23m

$885

BoiseSaint Thomas Island

BOI - STT

BOISTT

Boise Air Term. Gowen Fld

Sun 3/29

11:30 pm-2:48 pm

1 stop13h 18m

Saint Thomas Island Cyril E King

Sun 4/5

1:55 pm-10:25 pm

1 stop10h 30m

$909

JacksonSaint Thomas Island

JAC - STT

JACSTT

Jackson Hole

Sat 2/28

1:38 pm-12:00 pm

2 stops19h 22m

Saint Thomas Island Cyril E King

Wed 3/4

3:05 pm-12:52 pm

2 stops24h 47m

$946

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/3

Showing 1-10 of 11 results
1
2

Best time to book a flight from Idaho to Saint Thomas Island

Have a flexible travel schedule? Discover the best time to fly to Saint Thomas Island from Idaho with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Idaho to Saint Thomas Island

What is the cheapest month to book a flight from Idaho to Saint Thomas Island?

Currently, April is the cheapest month in which you can book a flight from Idaho to Saint Thomas Island (average of $342). Flying from Idaho to Saint Thomas Island in June is currently the most expensive (average of $1,107). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost to fly round-trip from Idaho to Saint Thomas Island?

Related info for your journey

Find useful and relevant information for your journey from Idaho to Saint Thomas Island. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Saint Thomas Island from Idaho?

    For a flight from Idaho to Saint Thomas Island, you will be flying into Cyril E King. Saint Thomas Island Cyril E King (STT) is just 2.8 mi from the center of the city.

  • How long is the flight from Idaho to Saint Thomas Island?

    A quick flight from Idaho to Saint Thomas Island can take about 13h 13m. American Airlines provides one of the quickest options available for as low as $800. Airlines will cover a distance of 3429 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • Can I find deals for flights from Idaho to Saint Thomas Island that include hotel bookings?

    Yes. In addition to deals on Idaho to Saint Thomas Island flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Idaho to Saint Thomas Island?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Idaho to Saint Thomas Island.

  • Can I find deals for business class flights from Idaho to Saint Thomas Island?

    Yes. Cheapflights offers flight deals from Idaho to Saint Thomas Island by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Idaho to Saint Thomas Island?

    Currently, April is the cheapest month in which you can book a flight from Idaho to Saint Thomas Island (average of $342). Flying from Idaho to Saint Thomas Island in June is currently the most expensive (average of $1,107). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Idaho to Saint Thomas Island

See prices for flight routes from nearby airports that may be better suited for you.
Newark to Saint Thomas Island flights
John F Kennedy Intl to Saint Thomas Island flights
Boston to Saint Thomas Island flights
LaGuardia to Saint Thomas Island flights
Dulles Intl to Saint Thomas Island flights
O'Hare Intl to Saint Thomas Island flights
Atlanta to Saint Thomas Island flights
Reagan-National to Saint Thomas Island flights
Minneapolis to Saint Thomas Island flights
Baltimore to Saint Thomas Island flights
Dallas/Fort Worth to Saint Thomas Island flights
Orlando to Saint Thomas Island flights
Philadelphia to Saint Thomas Island flights
Charlotte to Saint Thomas Island flights
Detroit to Saint Thomas Island flights
Cleveland to Saint Thomas Island flights
John F Kennedy Intl to Christiansted flights
Miami to Saint Thomas Island flights
Fort Lauderdale to Saint Thomas Island flights
Raleigh to Saint Thomas Island flights
Atlanta to Christiansted flights
Hobby to Saint Thomas Island flights
Cincinnati to Saint Thomas Island flights
Indianapolis to Saint Thomas Island flights
Midway to Saint Thomas Island flights
Newark to Christiansted flights
Columbus to Saint Thomas Island flights
George Bush Intcntl to Saint Thomas Island flights
Boston to Christiansted flights
Reagan-National to Christiansted flights
Hartford to Saint Thomas Island flights
Denver to Saint Thomas Island flights
Austin to Saint Thomas Island flights
Pittsburgh to Saint Thomas Island flights
Los Angeles to Saint Thomas Island flights
Tampa to Saint Thomas Island flights
Richmond to Saint Thomas Island flights
Seattle to Saint Thomas Island flights
Dulles Intl to Christiansted flights
New Orleans to Saint Thomas Island flights
O'Hare Intl to Christiansted flights
St. Louis to Saint Thomas Island flights
Atlantic City to Saint Thomas Island flights
Omaha to Saint Thomas Island flights
Louisville to Saint Thomas Island flights
Nashville to Saint Thomas Island flights
Baltimore to Christiansted flights
LaGuardia to Christiansted flights
Providence to Saint Thomas Island flights
Norfolk to Saint Thomas Island flights

Top airline flying from Idaho to Saint Thomas Island

Discover the top airline that operate flights from Idaho to Saint Thomas Island. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 4, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$609Average$774FlexibilityNo cancel feeOn-time71%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.