How long is the flight from Boise to Saint Thomas Island?

For as low as $719, United Airlines can have you in Saint Thomas Island from Boise in 19h 45m. The distance between Boise and Saint Thomas Island is about 3429 mi. This flight may include one or multiple stops.

What are the cheapest airlines flying from Boise to Saint Thomas Island round-trip?

Cheapflights users have booked flights from Boise to Saint Thomas Island round-trip from $609. Another airline that can offer you cheap pricing is Delta. American Airlines is 30% cheaper than the average price of flights available within the next 90 days to this destination.

Most accurate provider : When it comes to deals on Boise-Saint Thomas Island flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Boise-Saint Thomas Island flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Boise-Saint Thomas Island flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Boise-Saint Thomas Island flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Boise-Saint Thomas Island flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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

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

How can I find direct flights from Boise 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 Boise to Saint Thomas Island.

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

Yes. Cheapflights offers flight deals from Boise 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.

$343+ Flights from Boise to Saint Thomas Island

Q: How much does it cost to fly round-trip from Boise to Saint Thomas Island?

Airfare is below average for this route at the moment. Boise to Saint Thomas Island flights typically cost between $824 and $964 in January. The cheapest round-trip price found within the last 3 days was $583 on American Airlines (Jan 10-Jan 14).

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

Find cheap flights from Boise 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 Boise to Saint Thomas Island

Cheapest flights from Boise to Saint Thomas Island
Explore the most affordable flight options available from Boise to Saint Thomas Island. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 28, 2025.

Sun 12/2811:47 pmBOI - STT

1 stop9h 51mDelta

Tue 12/301:48 pmSTT - BOI

2 stops13h 05mDelta

Deal found 12/26

$1,019

Best flights from Boise to Saint Thomas Island
Discover carefully curated flight deals from Boise to Saint Thomas Island that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 28, 2025.

Tue 2/242:40 pmBOI - STT

2 stops20h 16mUnited Airlines

Thu 2/263:05 pmSTT - BOI

1 stop10h 51mUnited Airlines

Deal found 12/27

$679

Sat 4/111:25 pmBOI - STT

2 stops19h 45mAmerican Airlines

Fri 4/176:40 pmSTT - BOI

2 stops19h 43mAmerican Airlines

Deal found 12/25

$719

Sun 4/1211:30 pmBOI - STT

1 stop12h 29mDelta

Fri 4/171:15 pmSTT - BOI

1 stop11h 13mDelta

Deal found 12/25

$980

Sat 4/111:25 pmBOI - STT

2 stops19h 45mAmerican Airlines

Sun 4/195:10 pmSTT - BOI

2 stops20h 11mAmerican Airlines

Deal found 12/25

$809

Sat 4/115:15 pmBOI - STT

2 stops15h 55mAmerican Airlines

Sat 4/185:10 pmSTT - BOI

2 stops21h 13mAmerican Airlines

Deal found 12/25

$814

Fri 4/178:01 pmBOI - STT

2 stops15h 58mDelta

Thu 4/231:15 pmSTT - BOI

1 stop11h 13mDelta

Deal found 12/25

$999

Tue 3/176:33 pmBOI - STT

2 stops16h 29mAmerican Airlines

Sat 3/215:37 pmSTT - BOI

2 stops19h 35mAmerican Airlines

Deal found 12/25

$834

Fri 4/175:15 pmBOI - STT

2 stops15h 55mAmerican Airlines

Thu 4/236:40 pmSTT - BOI

2 stops19h 43mAmerican Airlines

Deal found 12/26

$834

Sun 3/11:23 pmBOI - STT

1 stop22h 32mAmerican Airlines

Sun 3/85:37 pmSTT - BOI

2 stops21h 11mAmerican Airlines

Deal found 12/27

$923

Sat 1/103:21 pmBOI - STT

1 stop21h 11mAmerican Airlines

Wed 1/146:39 pmSTT - BOI

2 stops21h 29mAmerican Airlines

Deal found 12/26

$951

Last-minute flights from Boise to Saint Thomas Island
Discover last-minute flight deals from Boise to Saint Thomas Island. Data last updated December 28, 2025 and is based on user searches.

Sun 12/2811:47 pmBOI - STT

1 stop9h 51mDelta

Tue 12/301:48 pmSTT - BOI

2 stops13h 05mDelta

Deal found 12/26

$1,019

Sat 1/102:52 pmBOI - STT

2 stops19h 18mAmerican Airlines

Wed 1/146:39 pmSTT - BOI

2 stops22h 29mAmerican Airlines

Deal found 12/26

$583

Sat 1/1012:19 pmBOI - STT

1 stop24h 59mUnited Airlines

Wed 1/143:05 pmSTT - BOI

1 stop24h 34mUnited Airlines

Deal found 12/26

$3,243

One-way flights from Boise to Saint Thomas Island
Search for one-way flight options from Boise to Saint Thomas Island. Find affordable one-way fares based on user searches. Data last updated December 28, 2025.

Wed 3/2511:30 pmBOI - STT

1 stop10h 07mDelta

Deal found 12/26

$343

Mon 3/306:03 pmBOI - STT

3 stops43h 25mMultiple Airlines

Deal found 12/27

$372

Sun 3/2912:07 pmBOI - STT

3 stops49h 21mMultiple Airlines

Deal found 12/28

$382

Tue 3/317:03 pmBOI - STT

2 stops18h 28mUnited Airlines

Deal found 12/26

$388

Thu 3/2612:07 pmBOI - STT

3 stops47h 19mMultiple Airlines

Deal found 12/27

$389

Thu 3/266:33 pmBOI - STT

2 stops18h 21mAmerican Airlines

Deal found 12/28

$398

Fri 3/2712:31 pmBOI - STT

2 stops25h 31mAmerican Airlines

Deal found 12/26

$404

Fri 3/276:03 pmBOI - STT

3 stops41h 23mMultiple Airlines

Deal found 12/26

$439

Find flight deals from Boise to Saint Thomas Island

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$583 (American Airlines)
One-way from	$343 (Delta)
Popular in	March
Cheapest in	October
Average price	$774

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 Boise Air Term. Gowen Fld to Saint Thomas Island Cyril E King

Search Deals

One-way flight from Boise Air Term. Gowen Fld to Saint Thomas Island Cyril E King

Search Deals

Highest demand for flights based on searches. 15% potential increase in price ($157 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 5% potential price decrease ($43 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

Cheapflights Fare Finder

Use the filters below to find and compare flights from Boise 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 2/24

2:40 pm-1:56 pm

2 stops20h 16m

Saint Thomas Island Cyril E King

Thu 2/26

3:05 pm-10:56 pm

1 stop10h 51m

$679

BoiseSaint Thomas Island

BOI - STT

BOISTT

Boise Air Term. Gowen Fld

Sat 4/11

1:25 pm-11:10 am

2 stops19h 45m

Saint Thomas Island Cyril E King

Fri 4/17

6:40 pm-12:23 pm

2 stops19h 43m

$719

BoiseSaint Thomas Island

BOI - STT

BOISTT

Boise Air Term. Gowen Fld

Sat 4/11

1:25 pm-11:10 am

2 stops19h 45m

Saint Thomas Island Cyril E King

Sun 4/19

5:10 pm-11:21 am

2 stops20h 11m

$809

BoiseSaint Thomas Island

BOI - STT

BOISTT

Boise Air Term. Gowen Fld

Sat 4/11

5:15 pm-11:10 am

2 stops15h 55m

Saint Thomas Island Cyril E King

Sat 4/18

5:10 pm-12:23 pm

2 stops21h 13m

$814

BoiseSaint Thomas Island

BOI - STT

BOISTT

Boise Air Term. Gowen Fld

Tue 3/17

6:33 pm-1:02 pm

2 stops16h 29m

Saint Thomas Island Cyril E King

Sat 3/21

5:37 pm-11:12 am

2 stops19h 35m

$834

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

6:40 pm-12:23 pm

2 stops19h 43m

$834

BoiseSaint Thomas Island

BOI - STT

BOISTT

Boise Air Term. Gowen Fld

Sun 3/1

1:23 pm-2:55 pm

1 stop22h 32m

Saint Thomas Island Cyril E King

Sun 3/8

5:37 pm-12:48 pm

2 stops21h 11m

$923

BoiseSaint Thomas Island

BOI - STT

BOISTT

Boise Air Term. Gowen Fld

Sat 1/10

3:21 pm-3:32 pm

1 stop21h 11m

Saint Thomas Island Cyril E King

Wed 1/14

6:39 pm-1:08 pm

2 stops21h 29m

$951

BoiseSaint Thomas Island

BOI - STT

BOISTT

Boise Air Term. Gowen Fld

Sun 4/12

11:30 pm-1:59 pm

1 stop12h 29m

Saint Thomas Island Cyril E King

Fri 4/17

1:15 pm-10:28 pm

1 stop11h 13m

$980

BoiseSaint Thomas Island

BOI - STT

BOISTT

Boise Air Term. Gowen Fld

Fri 4/17

8:01 pm-1:59 pm

2 stops15h 58m

Saint Thomas Island Cyril E King

Thu 4/23

1:15 pm-10:28 pm

1 stop11h 13m

$999

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/26

Showing 1-10 of 14 results

Compare providers for flights from Boise to Saint Thomas Island

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Boise to Saint Thomas Island in December.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy2 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*1 star
eDreams	Price Accuracy3 stars	Trust Score*3 stars
AranGrant	Price Accuracy2 stars	Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on Boise-Saint Thomas Island flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Boise-Saint Thomas Island flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Boise-Saint Thomas Island flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Boise-Saint Thomas Island flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Boise-Saint Thomas Island flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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

Have a flexible travel schedule? Discover the best time to fly to Saint Thomas Island from Boise 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 Boise to Saint Thomas Island

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

Currently, April is the cheapest month in which you can book a flight from Boise to Saint Thomas Island (average of $321). Flying from Boise 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.

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

It’s typically best to fly out from Boise to Saint Thomas Island in the morning. Doing so could potentially save you 54% on the flight price compared to flying at noon, which is usually more expensive.

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

Reviews of airlines servicing Saint Thomas Island

See what other customers who have flown with Delta and American Airlines from Boise to Saint Thomas Island have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

7.9

Good

8,019 reviews

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Delta

7.9

Good

8,019 reviews

Delta

7.9

Good

8,019 reviews

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

American Airlines

7.2

Good

11,072 reviews

Delta

7.9

Good

8,019 reviews

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

Related info for your journey

How long is the flight from Boise to Saint Thomas Island?
For as low as $719, United Airlines can have you in Saint Thomas Island from Boise in 19h 45m. The distance between Boise and Saint Thomas Island is about 3429 mi. This flight may include one or multiple stops.
What are the cheapest airlines flying from Boise to Saint Thomas Island round-trip?
Cheapflights users have booked flights from Boise to Saint Thomas Island round-trip from $609. Another airline that can offer you cheap pricing is Delta. American Airlines is 30% cheaper than the average price of flights available within the next 90 days to this destination.
Can I find deals for flights from Boise to Saint Thomas Island that include hotel bookings?
Yes. In addition to deals on Boise to Saint Thomas Island flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Boise 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 Boise to Saint Thomas Island.
Can I find deals for business class flights from Boise to Saint Thomas Island?
Yes. Cheapflights offers flight deals from Boise 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 Boise to Saint Thomas Island?
Currently, April is the cheapest month in which you can book a flight from Boise to Saint Thomas Island (average of $321). Flying from Boise 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

St. John

Browse thousands of different options on Cheapflights for your next trip

Top 2 airlines flying from Boise to Saint Thomas Island

Airline	Cheapest	Average	Flexibility	On-time
American Airlines	Cheapest$609	Average$774	FlexibilityNo cancel fee	On-time71%
Delta	Cheapest$625	Average$936	FlexibilityNo cancel fee	On-timeN/A

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.

$343+ Cheap flights from Boise (BOI) 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 3/25. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Boise to Saint Thomas Island with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Boise to Saint Thomas Island

Cheapest flights from Boise to Saint Thomas IslandExplore the most affordable flight options available from Boise to Saint Thomas Island. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 28, 2025.

Explore the most affordable flight options available from Boise to Saint Thomas Island. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 28, 2025.

Find flight deals from Boise to Saint Thomas Island

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

Use the filters below to find and compare flights from Boise to Saint Thomas Island that are best for you.

Compare providers for flights from Boise to Saint Thomas Island

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Boise to Saint Thomas Island in December.

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

Have a flexible travel schedule? Discover the best time to fly to Saint Thomas Island from Boise with our price prediction graph.

Cheapflights Insights

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

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

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

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

Reviews of airlines servicing Saint Thomas Island

See what other customers who have flown with Delta and American Airlines from Boise to Saint Thomas Island have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Boise 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.

How long is the flight from Boise to Saint Thomas Island?

What are the cheapest airlines flying from Boise to Saint Thomas Island round-trip?

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

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

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

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

Traveling to a place near Saint Thomas Island?

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 Boise to Saint Thomas Island

See prices for flight routes from nearby airports that may be better suited for you.

Top 2 airlines flying from Boise to Saint Thomas Island

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from Boise to Saint Thomas Island
Explore the most affordable flight options available from Boise to Saint Thomas Island. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 28, 2025.