$570+ 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 1/20. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — STT
Oct 25 — Nov 11
Round-trip
1 adult, Economy
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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
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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 September 25, 2026.
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 September 25, 2026.
This American Airlines deal was found by Cheapflights users on 9/20. 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 11/156:14 pm -
2 stops18h 24m
Fri 11/204:30 pm -
2 stops23h 13m
Deal found 9/20![American Airlines logo]()
$668
This American Airlines deal was found by Cheapflights users on 9/24. 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 11/56:14 pm -
2 stops18h 49m
Mon 11/93:15 pm -
2 stops25h 36m
Deal found 9/24![American Airlines logo]()
$677
This Southwest deal was found by Cheapflights users on 9/24. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/233:50 pm -
2 stops20h 15m
Fri 10/302:50 pm -
2 stops21h 50m
Deal found 9/24![Southwest logo]()
$705
This United Airlines deal was found by Cheapflights users on 9/24. 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.
Fri 10/232:44 pm -
2 stops22h 59m
Fri 10/3012:07 pm -
2 stops35h 25m
Deal found 9/24![United Airlines logo]()
$943
This United deal was found by Cheapflights users on 9/20. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/35:00 am -
2 stops30h 01m
Sat 10/104:45 pm -
2 stops18h 49m
Deal found 9/20![Multiple Airlines logo]()
$1,167
This United deal was found by Cheapflights users on 9/20. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/245:00 am -
2 stops27h 14m
Sat 9/2611:55 am -
2 stops11h 40m
Deal found 9/20![Multiple Airlines logo]()
$1,194
This United Airlines deal was found by Cheapflights users on 9/24. 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 11/57:10 pm -
3 stops15h 46m
Mon 11/91:07 pm -
2 stops12h 52m
Deal found 9/24![United Airlines logo]()
$1,261
This Delta deal was found by Cheapflights users on 9/24. 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 11/1511:10 pm -
1 stop12h 33m
Fri 11/203:53 pm -
2 stops11h 17m
Deal found 9/24![Delta logo]()
$1,279
This American Airlines deal was found by Cheapflights users on 9/23. 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 10/93:24 pm -
2 stops19h 17m
Tue 10/133:46 pm -
2 stops24h 47m
Deal found 9/23![American Airlines logo]()
$1,449
Best flights from Boise to Saint Thomas IslandDiscover 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 September 25, 2026.
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 September 25, 2026.
This Delta deal was found by Cheapflights users on 9/20. 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.
Wed 1/202:35 pm -
2 stops19h 05m
Thu 1/281:50 pm -
2 stops13h 14m
Deal found 9/20![Delta logo]()
$570
This United Airlines deal was found by Cheapflights users on 9/20. 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.
Tue 1/192:45 pm -
2 stops20h 11m
Fri 1/293:00 pm -
1 stop11h 14m
Deal found 9/20![United Airlines logo]()
$744
This Delta deal was found by Cheapflights users on 9/20. 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 1/225:45 pm -
2 stops16h 35m
Thu 1/281:50 pm -
2 stops13h 14m
Deal found 9/20![Delta logo]()
$605
This Delta deal was found by Cheapflights users on 9/24. 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 1/245:45 pm -
2 stops16h 35m
Thu 1/281:50 pm -
2 stops13h 14m
Deal found 9/24![Delta logo]()
$660
This United Airlines deal was found by Cheapflights users on 9/23. 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.
Wed 1/204:05 pm -
3 stops21h 15m
Wed 1/275:25 pm -
2 stops24h 38m
Deal found 9/23![United Airlines logo]()
$777
This United Airlines deal was found by Cheapflights users on 9/24. 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 2/12:45 pm -
2 stops20h 11m
Fri 2/55:25 pm -
2 stops24h 38m
Deal found 9/24![United Airlines logo]()
$813
This United Airlines deal was found by Cheapflights users on 9/21. 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 1/1611:48 am -
2 stops21h 17m
Wed 1/203:00 pm -
1 stop11h 14m
Deal found 9/21![United Airlines logo]()
$855
Last-minute flights from Boise to Saint Thomas IslandDiscover last-minute flight deals from Boise to Saint Thomas Island. Data last updated September 25, 2026 and is based on user searches.
Discover last-minute flight deals from Boise to Saint Thomas Island. Data last updated September 25, 2026 and is based on user searches.
This United deal was found by Cheapflights users on 9/20. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/245:00 am -
2 stops27h 14m
Sat 9/2611:55 am -
2 stops11h 40m
Deal found 9/20![Multiple Airlines logo]()
$1,194
This United deal was found by Cheapflights users on 9/20. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/35:00 am -
2 stops30h 01m
Sat 10/104:45 pm -
2 stops18h 49m
Deal found 9/20![Multiple Airlines logo]()
$1,167
This American Airlines deal was found by Cheapflights users on 9/20. 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 10/33:21 pm -
3 stops19h 30m
Sat 10/103:46 pm -
2 stops24h 47m
Deal found 9/20![American Airlines logo]()
$1,987
This American Airlines deal was found by Cheapflights users on 9/23. 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 10/93:24 pm -
2 stops19h 17m
Tue 10/133:46 pm -
2 stops24h 47m
Deal found 9/23![American Airlines logo]()
$1,449
This Delta deal was found by Cheapflights users on 9/24. 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 10/155:59 pm -
2 stops17h 38m
Sun 10/182:47 pm -
1 stop9h 10m
Deal found 9/24![Delta logo]()
$1,898
This Delta deal was found by Cheapflights users on 9/20. 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 10/1611:10 pm -
1 stop12h 27m
Sun 10/182:47 pm -
1 stop9h 10m
Deal found 9/20![Delta logo]()
$1,463
This American Airlines deal was found by Cheapflights users on 9/20. 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 10/163:24 pm -
2 stops19h 17m
Sun 10/183:46 pm -
2 stops24h 05m
Deal found 9/20![American Airlines logo]()
$1,511
This Southwest deal was found by Cheapflights users on 9/24. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/233:50 pm -
2 stops20h 15m
Fri 10/302:50 pm -
2 stops21h 50m
Deal found 9/24![Southwest logo]()
$705
This United Airlines deal was found by Cheapflights users on 9/24. 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.
Fri 10/232:44 pm -
2 stops22h 59m
Fri 10/3012:07 pm -
2 stops35h 25m
Deal found 9/24![United Airlines logo]()
$943
This Delta deal was found by Cheapflights users on 9/24. 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 10/2311:10 pm -
1 stop12h 27m
Fri 10/302:47 pm -
2 stops11h 12m
Deal found 9/24![Delta logo]()
$1,673
Find flight deals from Boise to Saint Thomas Island
Discover tips and strategies to find the most affordable flight options for your journey from Boise (BOI) to Saint Thomas Island (STT). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 25, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $570 (American Airlines) |
Popular in | March |
Cheapest in | September |
Average price | $570 |
Cheapflights Fare Finder
Customize your flight search to find flights from Boise 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 7,457,451 searches. Data last updated September 25, 2026.
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
Cheapest round-trip
BoiseSaint Thomas Island
BOI Boise Air Term. Gowen Fld - STT Saint Thomas Island Cyril E King
BOISTT
Boise Air Term. Gowen Fld
Wed 1/20
2:35 pm-12:40 pm
2 stops19h 05m
Saint Thomas Island Cyril E King
Thu 1/28
1:50 pm-12:04 am
2 stops13h 14m
$570
Quickest round-trip
BoiseSaint Thomas Island
BOI Boise Air Term. Gowen Fld - STT Saint Thomas Island Cyril E King
BOISTT
Boise Air Term. Gowen Fld
Fri 1/22
5:45 pm-1:20 pm
2 stops16h 35m
Saint Thomas Island Cyril E King
Thu 1/28
1:50 pm-12:04 am
2 stops13h 14m
$605
BoiseSaint Thomas Island
BOI Boise Air Term. Gowen Fld - STT Saint Thomas Island Cyril E King
BOISTT
Boise Air Term. Gowen Fld
Sun 1/24
5:45 pm-1:20 pm
2 stops16h 35m
Saint Thomas Island Cyril E King
Thu 1/28
1:50 pm-12:04 am
2 stops13h 14m
$660
BoiseSaint Thomas Island
BOI Boise Air Term. Gowen Fld - STT Saint Thomas Island Cyril E King
BOISTT
Boise Air Term. Gowen Fld
Tue 1/19
2:45 pm-1:56 pm
2 stops20h 11m
Saint Thomas Island Cyril E King
Fri 1/29
3:00 pm-11:14 pm
1 stop11h 14m
$744
BoiseSaint Thomas Island
BOI Boise Air Term. Gowen Fld - STT Saint Thomas Island Cyril E King
BOISTT
Boise Air Term. Gowen Fld
Wed 1/20
4:05 pm-4:20 pm
3 stops21h 15m
Saint Thomas Island Cyril E King
Wed 1/27
5:25 pm-3:03 pm
2 stops24h 38m
$777
BoiseSaint Thomas Island
BOI Boise Air Term. Gowen Fld - STT Saint Thomas Island Cyril E King
BOISTT
Boise Air Term. Gowen Fld
Mon 2/1
2:45 pm-1:56 pm
2 stops20h 11m
Saint Thomas Island Cyril E King
Fri 2/5
5:25 pm-3:03 pm
2 stops24h 38m
$813
BoiseSaint Thomas Island
BOI Boise Air Term. Gowen Fld - STT Saint Thomas Island Cyril E King
BOISTT
Boise Air Term. Gowen Fld
Sat 1/16
11:48 am-12:05 pm
2 stops21h 17m
Saint Thomas Island Cyril E King
Wed 1/20
3:00 pm-11:14 pm
1 stop11h 14m
$855
Sorted by cheapest first
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 September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Boise-Saint Thomas Island flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Boise-Saint Thomas Island flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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.
BOI-STT
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.
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.
Traveling to a place near Saint Thomas Island?
Book flights to Saint Thomas Island if you plan to visit one of these locationsSt. John
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