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 $579. Other airlines that can offer you cheap pricing are United Airlines, from $837, and Delta, from $860. American Airlines is 33% cheaper than the average price of flights available within the next 90 days to this destination.

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

Currently, September is the cheapest month in which you can book a flight from Boise to Saint Thomas Island (average of $433). Flying from Boise to Saint Thomas Island in June is currently the most expensive (average of $640). 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 day to fly from Boise to Saint Thomas Island?

Travelers seeking maximum savings on their Boise to Saint Thomas Island flight should consider departing on Friday mornings when fares are most often at their lowest. Friday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

What are the most popular airlines that fly from Boise to Saint Thomas Island?

Before booking your flight from Boise to Saint Thomas Island check out the most popular airlines for this route: American Airlines, Delta or United Airlines.

What is the cheapest day to fly round-trip from Boise to Saint Thomas Island?

Friday flights are generally found to be more expensive for flights from Boise to Saint Thomas Island. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Saint Thomas Island.

What is the cheapest month to fly from Boise to Saint Thomas Island?

The best pricing can be found in the month of April. Prices to Saint Thomas Island from Boise average $870. You can even find prices in April for less than $870, as users have found deals to Saint Thomas Island from as low as $299. The month of March appears to be one of the more expensive times to travel to Saint Thomas Island from Boise. Flying in the targeted month can save you up to 54%.

Most accurate provider : When it comes to deals on Boise-Saint Thomas Island flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Boise-Saint Thomas Island flight deals on Cheapflights vs. AranGrant >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 AranGrant the most. AranGrant 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.

$579+ Flights from Boise to Saint Thomas Island

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1. Tell us where you want to go

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2. Select your favorite providers

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Cheap flight deals from Boise to Saint Thomas Island

Most accurate provider	AranGrant 3 stars
Most trusted provider	AranGrant 3 stars
Round-trip from	$579 (American Airlines)
Popular in	March
Cheapest in	April
Average price	$502

Provider with most accurate pricing for Boise Air Term. Gowen Fld-Saint Thomas Island Cyril E King flight deals.

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Provider most trusted by Cheapflights users for Boise Air Term. Gowen Fld-Saint Thomas Island Cyril E King flights.

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

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Highest demand for flights based on searches. 8% potential increase in price ($76 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 5% potential price decrease ($48 potential savings vs. average RT price).

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Average for round-trip flights in April 2025

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Find 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 April 17, 2025.

Sat 9/201:41 pmBOI - STT

2 stops21h 09mAmerican Airlines

Sat 9/275:20 pmSTT - BOI

2 stops25h 22mAmerican Airlines

Deal found 4/16

$579

Mon 8/47:15 pmBOI - STT

2 stops15h 02mUnited Airlines

Fri 8/151:19 pmSTT - BOI

3 stops29h 21mUnited Airlines

Deal found 4/17

$837

Mon 8/411:30 pmBOI - STT

1 stop12h 25mDelta

Fri 8/153:00 pmSTT - BOI

1 stop9h 33mDelta

Deal found 4/17

$860

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 April 17, 2025.

Sat 9/201:41 pmBOI - STT

2 stops21h 09mAmerican Airlines

Sat 9/275:20 pmSTT - BOI

2 stops25h 22mAmerican Airlines

Deal found 4/16

$579

Mon 8/47:15 pmBOI - STT

2 stops15h 02mUnited Airlines

Fri 8/151:19 pmSTT - BOI

3 stops29h 21mUnited Airlines

Deal found 4/17

$837

Mon 8/411:30 pmBOI - STT

1 stop12h 25mDelta

Fri 8/153:00 pmSTT - BOI

1 stop9h 33mDelta

Deal found 4/17

$860

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

Sat 9/20

1:41 pm-12:50 pm

2 stops21h 09m

Saint Thomas Island Cyril E King

Sat 9/27

5:20 pm-4:42 pm

2 stops25h 22m

$579

BoiseSaint Thomas Island

BOI - STT

BOISTT

Boise Air Term. Gowen Fld

Mon 8/4

7:15 pm-12:17 pm

2 stops15h 02m

Saint Thomas Island Cyril E King

Fri 8/15

1:19 pm-4:40 pm

3 stops29h 21m

$837

BoiseSaint Thomas Island

BOI - STT

BOISTT

Boise Air Term. Gowen Fld

Mon 8/4

11:30 pm-1:55 pm

1 stop12h 25m

Saint Thomas Island Cyril E King

Fri 8/15

3:00 pm-10:33 pm

1 stop9h 33m

$860

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/16

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 April.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*2 stars
AranGrant	Price Accuracy3 stars	Trust Score*3 stars
eDreams	Price Accuracy3 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 AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Boise-Saint Thomas Island flight deals on Cheapflights vs. AranGrant >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 AranGrant the most. AranGrant 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 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 45% on the flight price compared to flying at noon, which is usually more expensive.

Reviews of airlines servicing Saint Thomas Island

Delta

8.0

Very good

7,917 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta

8.0

Very good

7,917 reviews

Delta

8.0

Very good

7,917 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

United Airlines

7.4

Good

8,667 reviews

Delta

8.0

Very good

7,917 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

American Airlines

7.2

Good

10,000 reviews

Delta

8.0

Very good

7,917 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

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 $579. Other airlines that can offer you cheap pricing are United Airlines, from $837, and Delta, from $860. American Airlines is 33% 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, September is the cheapest month in which you can book a flight from Boise to Saint Thomas Island (average of $433). Flying from Boise to Saint Thomas Island in June is currently the most expensive (average of $640). 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

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Top 3 airlines flying from Boise to Saint Thomas Island

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest$557	Average$887	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$577	Average$837	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$667	Average$791	FlexibilityNo cancel fee	On-time69%

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$579+ Cheap flights from Boise (BOI) 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 9/20. 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

Most accurate provider

Most trusted provider

Round-trip from

Popular in

Cheapest in

Average price

Find 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 April 17, 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 April 17, 2025.

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 April.

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 time of day to fly from BOI to STT?

Find hourly flight availability from Boise 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 April 17, 2025.

Reviews of airlines servicing Saint Thomas Island

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.

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 Boise?

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Alternative routes for Boise to Saint Thomas Island

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Top 3 airlines flying from Boise to Saint Thomas Island

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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 April 17, 2025.