Saint Thomas Island

$674+ 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 8/17. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — STT
Aug 9 — Aug 161
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

Keep the following information in mind while searching for Idaho to Saint Thomas Island flight deals. Data was last updated August 4, 2025.

Round-trip from

$609
(American Airlines)

Popular in

March

Cheapest in

November

Average price

$749
From Idaho to Saint Thomas Island Cyril E King
Highest demand for flights based on searches. 13% potential increase in price ($136 potential increase over avg. RT price).
Cheapest flight prices on average. 4% potential price decrease ($41 potential savings vs. average RT price).
Average for round-trip flights in August 2025

Find 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 August 4, 2025.

This Mytrip deal was found by Cheapflights users on 8/2. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/176:06 pmBOI - STT
2 stops15h 07mSpirit Airlines
Thu 8/2112:18 pmSTT - BOI
3 stops30h 53mSpirit Airlines
Deal found 8/2$674
This Mytrip deal was found by Cheapflights users on 8/1. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/162:40 pmBOI - STT
3 stops18h 33mMultiple Airlines
Wed 8/202:43 pmSTT - BOI
3 stops28h 28mMultiple Airlines
Deal found 8/1$698
This American Airlines deal was found by Cheapflights users on 8/2. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/175:15 pmBOI - STT
2 stops19h 00mAmerican Airlines
Thu 8/215:10 pmSTT - BOI
2 stops21h 36mAmerican Airlines
Deal found 8/2$800
This Delta deal was found by Cheapflights users on 8/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2211:30 pmBOI - STT
1 stop10h 20mDelta
Mon 12/292:10 pmSTT - BOI
1 stop11h 08mDelta
Deal found 8/1$860
This United Airlines deal was found by Cheapflights users on 8/3. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/222:31 pmBOI - STT
2 stops22h 47mUnited Airlines
Wed 12/31:02 pmSTT - BOI
2 stops27h 37mUnited Airlines
Deal found 8/3$939
This American Airlines deal was found by Cheapflights users on 8/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/253:27 pmJAC - STT
2 stops19h 23mAmerican Airlines
Wed 8/271:50 pmSTT - JAC
2 stops24h 32mAmerican Airlines
Deal found 8/1$1,086
This Delta deal was found by Cheapflights users on 8/3. 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.
Mon 8/258:00 amJAC - STT
1 stop28h 10mDelta
Wed 8/273:23 pmSTT - JAC
1 stop30h 30mDelta
Deal found 8/3$5,410

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 August 4, 2025.
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 8/17

6:06 pm-11:13 am

2 stops15h 07m

Saint Thomas Island Cyril E King

Thu 8/21

12:18 pm-5:11 pm

3 stops30h 53m

$674

BoiseSaint Thomas Island

BOI - STT

BOISTT

Boise Air Term. Gowen Fld

Sat 8/16

2:40 pm-11:13 am

3 stops18h 33m

Saint Thomas Island Cyril E King

Wed 8/20

2:43 pm-5:11 pm

3 stops28h 28m

$698

BoiseSaint Thomas Island

BOI - STT

BOISTT

Boise Air Term. Gowen Fld

Sun 8/17

5:15 pm-2:15 pm

2 stops19h 00m

Saint Thomas Island Cyril E King

Thu 8/21

5:10 pm-12:46 pm

2 stops21h 36m

$800

BoiseSaint Thomas Island

BOI - STT

BOISTT

Boise Air Term. Gowen Fld

Sun 8/17

11:39 pm-2:10 pm

1 stop12h 31m

Saint Thomas Island Cyril E King

Thu 8/21

3:23 pm-10:29 pm

1 stop9h 06m

$930

JacksonSaint Thomas Island

JAC - STT

JACSTT

Jackson Hole

Mon 8/25

3:27 pm-12:50 pm

2 stops19h 23m

Saint Thomas Island Cyril E King

Wed 8/27

1:50 pm-12:22 pm

2 stops24h 32m

$1,086

JacksonSaint Thomas Island

JAC - STT

JACSTT

Jackson Hole

Mon 8/25

8:00 am-2:10 pm

1 stop28h 10m

Saint Thomas Island Cyril E King

Wed 8/27

3:23 pm-7:53 pm

1 stop30h 30m

$5,410

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/2

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, September is the cheapest month in which you can book a flight from Idaho to Saint Thomas Island (average of $433). Flying from Idaho to Saint Thomas Island in June is currently the most expensive (average of $649). 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.

What is the cheapest time of day to fly from ID to STT?

Find hourly flight availability from Idaho to Saint Thomas Island. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 4, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Idaho to Saint Thomas Island as you normally would.

Reviews of airlines servicing Saint Thomas Island

Get insights into the airlines that provide service to Saint Thomas Island. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Saint Thomas Island. Reviews last updated August 4, 2025.
Read through reviews of airlines operating flights from Idaho to Saint Thomas Island, such as Delta, United Airlines, and American Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.0
Very good

Crew

8.5

Entertainment

7.9

Food

7.3

Comfort

7.9

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good
8.0
Very good

Crew

8.5

Entertainment

7.9

Food

7.3

Comfort

7.9

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good

Crew

8.5

Entertainment

7.9

Food

7.3

Comfort

7.9

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good

Crew

8.5

Entertainment

7.9

Food

7.3

Comfort

7.9

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good

Crew

8.5

Entertainment

7.9

Food

7.3

Comfort

7.9

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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.

  • 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, September is the cheapest month in which you can book a flight from Idaho to Saint Thomas Island (average of $433). Flying from Idaho to Saint Thomas Island in June is currently the most expensive (average of $649). 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.

Top 3 airlines flying from Idaho to Saint Thomas Island

Discover the top 3 airlines 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 August 4, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$557Average$887FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$577Average$811FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$667Average$854FlexibilityNo cancel feeOn-time69%

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.