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Saint Thomas Island

$420+ Cheap flights from Idaho to Saint Thomas Island (STT)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/16. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — STT
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
1 adult, Economy
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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 September 17, 2025.

Round-trip from

$679
(Delta)

One-way from

$420
(American Airlines)

Popular in

March

Cheapest in

October

Average price

$797
From Idaho to Saint Thomas Island Cyril E King
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One-way flight from Idaho to Saint Thomas Island Cyril E King
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Highest demand for flights based on searches. 14% potential increase in price ($147 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($44 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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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 September 17, 2025.

This United Airlines deal was found by Cheapflights users on 9/14. 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 11/247:00 pmBOI - STT
2 stops15h 12mUnited Airlines
Sat 12/63:05 pmSTT - BOI
1 stop10h 40mUnited Airlines
Deal found 9/14$770
This United Airlines deal was found by Cheapflights users on 9/15. 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 stops23h 57mUnited Airlines
Deal found 9/15$1,014
This American Airlines deal was found by Cheapflights users on 9/16. 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 10/21:37 pmBOI - STT
2 stops21h 13mAmerican Airlines
Mon 10/65:20 pmSTT - BOI
2 stops21h 18mAmerican Airlines
Deal found 9/16$1,155
This Delta deal was found by Cheapflights users on 9/16. 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.
Thu 10/211:35 pmBOI - STT
1 stop11h 58mDelta
Mon 10/62:49 pmSTT - BOI
2 stops11h 10mDelta
Deal found 9/16$1,362

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 September 17, 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

Mon 3/9

11:30 pm-11:50 am

1 stop10h 20m

Saint Thomas Island Cyril E King

Wed 3/11

1:00 pm-10:50 pm

1 stop11h 50m

$679

BoiseSaint Thomas Island

BOI - STT

BOISTT

Boise Air Term. Gowen Fld

Mon 11/24

7:00 pm-1:12 pm

2 stops15h 12m

Saint Thomas Island Cyril E King

Sat 12/6

3:05 pm-10:45 pm

1 stop10h 40m

$770

BoiseSaint Thomas Island

BOI - STT

BOISTT

Boise Air Term. Gowen Fld

Sun 1/4

5:23 pm-12:05 pm

2 stops15h 42m

Saint Thomas Island Cyril E King

Sat 1/10

6:35 pm-12:40 pm

2 stops21h 05m

$803

BoiseSaint Thomas Island

BOI - STT

BOISTT

Boise Air Term. Gowen Fld

Fri 2/20

5:20 pm-12:10 pm

2 stops15h 50m

Saint Thomas Island Cyril E King

Sat 2/28

6:40 pm-12:04 pm

2 stops20h 24m

$834

JacksonSaint Thomas Island

JAC - STT

JACSTT

Jackson Hole

Tue 3/10

1:47 pm-12:55 pm

2 stops21h 08m

Saint Thomas Island Cyril E King

Wed 3/11

5:30 pm-11:54 am

2 stops20h 24m

$889

JacksonSaint Thomas Island

JAC - STT

JACSTT

Jackson Hole

Tue 3/10

4:25 pm-1:35 pm

3 stops19h 10m

Saint Thomas Island Cyril E King

Wed 3/11

4:25 pm-11:22 am

2 stops20h 57m

$1,122

JacksonSaint Thomas Island

JAC - STT

JACSTT

Jackson Hole

Thu 10/16

1:24 pm-4:05 pm

2 stops24h 41m

$420

JacksonSaint Thomas Island

JAC - STT

JACSTT

Jackson Hole

Sat 10/11

4:07 pm-1:08 pm

3 stops19h 01m

$448

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/16

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 $643). 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 September 17, 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.

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 10h 20m. Delta provides one of the quickest options available for as low as $679. 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, 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 $643). 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

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Alternative routes for Idaho to Saint Thomas Island

See prices for flight routes from nearby airports that may be better suited for you.
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Reagan-National to Christiansted flights
Dulles Intl to Christiansted flights
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Top 2 airlines flying from Idaho to Saint Thomas Island

Discover the top 2 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 September 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$577Average$774FlexibilityNo cancel feeOn-time71%
DeltaCheapest$625Average$864FlexibilityNo cancel feeOn-timeN/A

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