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Cheap flights from Boise to Saint Thomas Island from $609

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Boise to Saint Thomas Island departing on 3/31. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Boise to Saint Thomas Island

Cheap round-trip flights

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Delta Logo
11:30 pm - 1:55 pmBOI-STT
12h 25m1 stop
Delta Logo
1:00 pm - 10:50 pmSTT-BOI
11h 50m1 stop
$609Delta
Find Deal
Tue, Mar 31 - Tue, Apr 7
Delta Logo
11:30 pm - 3:16 pmBOI-STT
13h 46m1 stop
Delta Logo
1:15 pm - 10:38 pmSTT-BOI
11h 23m1 stop
$624Delta
Find Deal
Fri, Apr 17 - Thu, Apr 23
Delta Logo
11:30 pm - 2:51 pmBOI-STT
13h 21m1 stop
Delta Logo
1:00 pm - 10:50 pmSTT-BOI
11h 50m1 stop
$670Delta
Find Deal
Wed, Apr 1 - Thu, Apr 9
Delta Logo
11:30 pm - 11:50 amBOI-STT
10h 20m1 stop
Delta Logo
2:00 pm - 10:50 pmSTT-BOI
10h 50m1 stop
$679Delta
Find Deal
Mon, Mar 9 - Wed, Mar 11
American Airlines Logo
7:33 am - 11:00 amBOI-STT
25h 27m2 stops
American Airlines Logo
6:40 pm - 12:23 pmSTT-BOI
19h 43m2 stops
$719American Airlines
Find Deal
Tue, Mar 31 - Wed, Apr 8
American Airlines Logo
7:33 am - 11:00 amBOI-STT
25h 27m2 stops
American Airlines Logo
5:10 pm - 12:23 pmSTT-BOI
21h 13m2 stops
$729American Airlines
Find Deal
Tue, Mar 31 - Tue, Apr 7
United Airlines Logo
7:00 pm - 12:00 pmBOI-STT
14h 00m2 stops
United Airlines Logo
3:05 pm - 10:45 pmSTT-BOI
10h 40m1 stop
$1,016United Airlines
Find Deal
Wed, Nov 12 - Sun, Nov 16
United Airlines Logo
2:11 pm - 2:30 pmBOI-STT
21h 19m2 stops
United Airlines Logo
2:15 pm - 1:39 pmSTT-BOI
26h 24m2 stops
$1,053United Airlines
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Sat, Nov 22 - Wed, Dec 3
Multiple Airlines Logo
5:22 pm - 5:00 pmBOI-STT
21h 38m2 stops
Multiple Airlines Logo
10:45 am - 10:22 pmSTT-BOI
37h 37m3 stops
$1,125Multiple Airlines
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Fri, Apr 17 - Thu, Apr 23
Multiple Airlines Logo
2:43 pm - 1:01 pmBOI-STT
20h 18m2 stops
Multiple Airlines Logo
5:28 pm - 1:30 pmSTT-BOI
46h 02m3 stops
$1,356Multiple Airlines
Find Deal
Thu, Apr 2 - Tue, Apr 7

American Airlines flights from Boise to Saint Thomas Island

Our best American Airlines deals on Boise to Saint Thomas Island flight tickets
American Airlines
Mar 31
BOI7:33 amBoise Air Term. Gowen Fld
25h 27m
2 stops
STT11:00 amSaint Thomas Island Cyril E King
Apr 8
STT6:40 pmSaint Thomas Island Cyril E King
19h 43m
2 stops
BOI12:23 pmBoise Air Term. Gowen Fld
$719
Find similar
American Airlines
Mar 31
BOI7:33 amBoise Air Term. Gowen Fld
25h 27m
2 stops
STT11:00 amSaint Thomas Island Cyril E King
Apr 7
STT5:10 pmSaint Thomas Island Cyril E King
21h 13m
2 stops
BOI12:23 pmBoise Air Term. Gowen Fld
$729
Find similar
American Airlines
Nov 17
BOI5:25 pmBoise Air Term. Gowen Fld
19h 00m
2 stops
STT3:25 pmSaint Thomas Island Cyril E King
Nov 24
STT6:17 pmSaint Thomas Island Cyril E King
19h 20m
2 stops
BOI10:37 amBoise Air Term. Gowen Fld
$744
Find similar

United Airlines flights from Boise to Saint Thomas Island

Our best United Airlines deals on Boise to Saint Thomas Island flight tickets
United Airlines
Nov 12
BOI7:00 pmBoise Air Term. Gowen Fld
14h 00m
2 stops
STT12:00 pmSaint Thomas Island Cyril E King
Nov 16
STT3:05 pmSaint Thomas Island Cyril E King
10h 40m
1 stop
BOI10:45 pmBoise Air Term. Gowen Fld
$1,016
Find similar
United Airlines
Nov 22
BOI2:11 pmBoise Air Term. Gowen Fld
21h 19m
2 stops
STT2:30 pmSaint Thomas Island Cyril E King
Dec 3
STT2:15 pmSaint Thomas Island Cyril E King
26h 24m
2 stops
BOI1:39 pmBoise Air Term. Gowen Fld
$1,053
Find similar
United Airlines
Nov 22
BOI7:00 pmBoise Air Term. Gowen Fld
16h 30m
2 stops
STT2:30 pmSaint Thomas Island Cyril E King
Dec 3
STT2:15 pmSaint Thomas Island Cyril E King
22h 44m
2 stops
BOI9:59 amBoise Air Term. Gowen Fld
$1,095
Find similar

momondo 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, momondo users made 832,500 searches. Data last updated October 29, 2025.
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 3/31

11:30 pm-1:55 pm

1 stop12h 25m

Saint Thomas Island Cyril E King

Tue 4/7

1:00 pm-10:50 pm

1 stop11h 50m

$609

BoiseSaint Thomas Island

BOI - STT

BOISTT

Boise Air Term. Gowen Fld

Fri 4/17

11:30 pm-3:16 pm

1 stop13h 46m

Saint Thomas Island Cyril E King

Thu 4/23

1:15 pm-10:38 pm

1 stop11h 23m

$624

BoiseSaint Thomas Island

BOI - STT

BOISTT

Boise Air Term. Gowen Fld

Wed 4/1

11:30 pm-2:51 pm

1 stop13h 21m

Saint Thomas Island Cyril E King

Thu 4/9

1:00 pm-10:50 pm

1 stop11h 50m

$670

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

2:00 pm-10:50 pm

1 stop10h 50m

$679

BoiseSaint Thomas Island

BOI - STT

BOISTT

Boise Air Term. Gowen Fld

Tue 3/31

7:33 am-11:00 am

2 stops25h 27m

Saint Thomas Island Cyril E King

Wed 4/8

6:40 pm-12:23 pm

2 stops19h 43m

$719

BoiseSaint Thomas Island

BOI - STT

BOISTT

Boise Air Term. Gowen Fld

Tue 3/31

7:33 am-11:00 am

2 stops25h 27m

Saint Thomas Island Cyril E King

Tue 4/7

5:10 pm-12:23 pm

2 stops21h 13m

$729

BoiseSaint Thomas Island

BOI - STT

BOISTT

Boise Air Term. Gowen Fld

Wed 11/12

7:00 pm-12:00 pm

2 stops14h 00m

Saint Thomas Island Cyril E King

Sun 11/16

3:05 pm-10:45 pm

1 stop10h 40m

$1,016

BoiseSaint Thomas Island

BOI - STT

BOISTT

Boise Air Term. Gowen Fld

Sat 11/22

2:11 pm-2:30 pm

2 stops21h 19m

Saint Thomas Island Cyril E King

Wed 12/3

2:15 pm-1:39 pm

2 stops26h 24m

$1,053

BoiseSaint Thomas Island

BOI - STT

BOISTT

Boise Air Term. Gowen Fld

Fri 4/17

5:22 pm-5:00 pm

2 stops21h 38m

Saint Thomas Island Cyril E King

Thu 4/23

10:45 am-10:22 pm

3 stops37h 37m

$1,125

BoiseSaint Thomas Island

BOI - STT

BOISTT

Boise Air Term. Gowen Fld

Thu 4/2

2:43 pm-1:01 pm

2 stops20h 18m

Saint Thomas Island Cyril E King

Tue 4/7

5:28 pm-1:30 pm

3 stops46h 02m

$1,356

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Saint Thomas Island from

How to get the cheapest flight ticket from Boise to Saint Thomas Island

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

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

The month of September is another great option to travel to Saint Thomas Island, with average flight prices from Boise averaging around $699.

What is the cheapest day to depart on your flight to Saint Thomas Island?

On average, the least expensive day to fly to Saint Thomas Island from Boise is on a Monday. momondo users have found tickets for Monday departures for as low as $607. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Boise to Saint Thomas Island for around $1,065.

What is the cheapest time of day to depart on your flight to Saint Thomas Island?

The cheapest time of day to fly to Saint Thomas Island is in the morning when flights can be purchased for as low as $529. Flights to Saint Thomas Island are more costly in the afternoon, with an average ticket price of $945. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

When to book flights from Boise to Saint Thomas Island

Are you open to changing your travel dates? Check out the ideal times to fly from Boise to Saint Thomas Island according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Boise to Saint Thomas Island (BOI to STT) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Boise to Saint Thomas Island

Direct flights

None
There are no direct flights from Boise to Saint Thomas Island. There are no popular flight routes from Boise to Saint Thomas Island.
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  • How far is Boise Air Term. Gowen Fld to Saint Thomas Island Cyril E King by plane?

    The straight-line distance from Boise Air Term. Gowen Fld to Saint Thomas Island Cyril E King is 3430.4 mi. In terms of flight time, this usually takes a little over 10h 20m.

  • When did momondo last update prices for flights from Boise Air Term. Gowen Fld Airport to Saint Thomas Island Cyril E King Airport?

    Prices for flights from Boise Air Term. Gowen Fld Airport to Saint Thomas Island Cyril E King Airport are updated daily.

  • How many operators does momondo search for flights from Boise Air Term. Gowen Fld Airport to Saint Thomas Island Cyril E King Airport?

  • How old do you have to be to fly from Boise Air Term. Gowen Fld Airport to Saint Thomas Island Cyril E King Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Boise Air Term. Gowen Fld Airport to Saint Thomas Island Cyril E King Airport.

  • What documentation or ID do you need to fly to Saint Thomas Island Cyril E King Airport?

    The necessary travel and health documents for your Saint Thomas Island Cyril E King Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Boise to Saint Thomas Island?

Best airlines flying from Boise to Saint Thomas Island

Compare and see reviews for airlines that fly from Boise to Saint Thomas Island with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $609Free CancellationRating
7.2
11,032 reviews
Search American Airlines flights
DeltaPriceFrom $625Free CancellationRating
7.9
7,992 reviews
Search Delta flights

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

Why use momondo?

Why should I use momondo to find a flight deal from Boise to Saint Thomas Island?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Boise to Saint Thomas Island. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Boise to Saint Thomas Island with flexible booking policies on momondo?

Flights from Boise to Saint Thomas Island with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Boise to Saint Thomas Island?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Boise to Saint Thomas Island.

I’m not ready to book a flight from Boise to Saint Thomas Island right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Boise to Saint Thomas Island flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your Saint Thomas Island trip

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