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Saint Thomas Island

$153+ Cheap flights from Sky Harbor Intl (PHX) 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 9/18. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — STT
Aug 19 — Aug 261
Tue 8/19
Tue 8/26
1 adult, Economy
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Cheapflights Tip: The best prices from Phoenix Sky Harbor Intl to Saint Thomas Island Cyril E King are usually found in September or January, booked 64 days in advance, depart on a Monday or Tuesday and return on a Monday

Cheap flight deals from Sky Harbor Intl to Saint Thomas Island

Discover tips and strategies to find the most affordable flight options for your journey from Sky Harbor Intl (PHX) 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 August 14, 2025.

Round-trip from

$331
(FlightHub)

One-way from

$153
(Cheapflightsfares)

Popular in

June

Cheapest in

September

Average price

$629
From Phoenix Sky Harbor Intl to Saint Thomas Island Cyril E King
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One-way flight from Phoenix Sky Harbor Intl to Saint Thomas Island Cyril E King
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Highest demand for flights based on searches. 6% potential increase in price ($41 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($17 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find flight deals from Sky Harbor Intl to Saint Thomas Island

Cheapest flights from Sky Harbor Intl to Saint Thomas Island
Explore the most affordable flight options available from Sky Harbor Intl to Saint Thomas Island. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 14, 2025.

This FlightHub deal was found by Cheapflights users on 8/14. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/63:57 pmPHX - STT
1 stop17h 31mSpirit Airlines
Wed 11/121:33 pmSTT - PHX
1 stop28h 29mSpirit Airlines
Deal found 8/14$331
This FlightHub deal was found by Cheapflights users on 8/13. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/3012:14 pmPHX - STT
1 stop18h 35mSpirit Airlines
Wed 11/51:33 pmSTT - PHX
1 stop28h 29mSpirit Airlines
Deal found 8/13$349
This Kiwi.com deal was found by Cheapflights users on 8/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1212:01 pmPHX - STT
1 stop18h 43mMultiple Airlines
Fri 9/1910:49 amSTT - PHX
2 stops32h 15mMultiple Airlines
Deal found 8/13$377
This Kiwi.com deal was found by Cheapflights users on 8/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1112:16 pmPHX - STT
2 stops21h 43mMultiple Airlines
Sat 10/1811:01 amSTT - PHX
1 stop26h 47mMultiple Airlines
Deal found 8/14$384
This Kiwi.com deal was found by Cheapflights users on 8/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1112:16 pmPHX - STT
2 stops21h 43mMultiple Airlines
Sun 10/1911:01 amSTT - PHX
1 stop26h 47mMultiple Airlines
Deal found 8/14$385
This Kiwi.com deal was found by Cheapflights users on 8/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/296:11 pmPHX - STT
2 stops16h 24mMultiple Airlines
Sun 11/211:56 amSTT - PHX
1 stop26h 52mMultiple Airlines
Deal found 8/13$400
This Kiwi.com deal was found by Cheapflights users on 8/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/3011:53 amPHX - STT
1 stop19h 03mSpirit Airlines
Sun 11/23:37 pmSTT - PHX
2 stops24h 15mSpirit Airlines
Deal found 8/13$402

Cheapflights Fare Finder

 
Customize your flight search to find flights from Sky Harbor Intl 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 August 14, 2025.
Use the filters below to find and compare flights from Phoenix Sky Harbor Intl Airport to Saint Thomas Island that are best for you.

Fly from

Sky Harbor Intl

Fly to

Saint Thomas Island

Route

Depart

Return

Price

PhoenixSaint Thomas Island

PHX - STT

PHXSTT

Phoenix Sky Harbor Intl

Thu 11/6

3:57 pm-12:28 pm

1 stop17h 31m

Saint Thomas Island Cyril E King

Wed 11/12

1:33 pm-3:02 pm

1 stop28h 29m

$331

PhoenixSaint Thomas Island

PHX - STT

PHXSTT

Phoenix Sky Harbor Intl

Thu 9/4

12:01 pm-9:44 am

1 stop18h 43m

Saint Thomas Island Cyril E King

Sun 9/7

10:49 am-10:56 am

1 stop27h 07m

$331

PhoenixSaint Thomas Island

PHX - STT

PHXSTT

Phoenix Sky Harbor Intl

Thu 10/30

12:14 pm-9:49 am

1 stop18h 35m

Saint Thomas Island Cyril E King

Wed 11/5

1:33 pm-3:02 pm

1 stop28h 29m

$349

PhoenixSaint Thomas Island

PHX - STT

PHXSTT

Phoenix Sky Harbor Intl

Thu 10/30

11:53 am-9:56 am

1 stop19h 03m

Saint Thomas Island Cyril E King

Sun 11/2

11:56 am-11:48 am

1 stop26h 52m

$353

PhoenixSaint Thomas Island

PHX - STT

PHXSTT

Phoenix Sky Harbor Intl

Thu 10/23

11:53 am-9:56 am

1 stop19h 03m

Saint Thomas Island Cyril E King

Sat 11/1

11:01 am-11:48 am

1 stop27h 47m

$353

PhoenixSaint Thomas Island

PHX - STT

PHXSTT

Phoenix Sky Harbor Intl

Thu 9/18

12:01 pm-9:44 am

1 stop18h 43m

$153

PhoenixSaint Thomas Island

PHX - STT

PHXSTT

Phoenix Sky Harbor Intl

Thu 9/18

8:20 pm-2:57 pm

2 stops15h 37m

$176

PhoenixSaint Thomas Island

PHX - STT

PHXSTT

Phoenix Sky Harbor Intl

Thu 8/21

12:24 pm-3:19 pm

2 stops23h 55m

$289

PhoenixSaint Thomas Island

PHX - STT

PHXSTT

Phoenix Sky Harbor Intl

Wed 8/20

7:14 am-1:48 pm

2 stops27h 34m

$304

PhoenixSaint Thomas Island

PHX - STT

PHXSTT

Phoenix Sky Harbor Intl

Wed 8/20

10:12 pm-11:06 am

1 stop9h 54m

$418

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/14

Showing 1-10 of 11 results
1
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Best time to book a flight from Sky Harbor Intl to Saint Thomas Island

Have a flexible travel schedule? Discover the best time to fly to Saint Thomas Island from Sky Harbor Intl 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 Phoenix Sky Harbor Intl Airport to Saint Thomas Island

How far ahead should I book a flight from Phoenix Sky Harbor Intl Airport to Saint Thomas Island?

Use this chart to determine the optimal time to book a round-trip flight from Sky Harbor Intl to Saint Thomas Island. Price data was last updated on August 8, 2025.

Booking 62 days in advance of your planned departure date is, on average, the best time to get cheap flights from Phoenix Sky Harbor Intl Airport to Saint Thomas Island. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Phoenix Sky Harbor Intl Airport to Saint Thomas Island?

Currently, September is the cheapest month in which you can book a flight from Phoenix Sky Harbor Intl Airport to Saint Thomas Island (average of $433). Flying from Phoenix Sky Harbor Intl Airport to Saint Thomas Island in June is currently the most expensive (average of $648). 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 PHX to STT?

Find hourly flight availability from Sky Harbor Intl 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 August 14, 2025.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 40% on flights from Phoenix Sky Harbor Intl Airport to Saint Thomas Island by exploring options for tickets in the morning.

Reviews of airlines servicing Saint Thomas Island

Get insights into the airlines that provide service to Saint Thomas Island. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Saint Thomas Island. Reviews last updated August 14, 2025.
Read through reviews of airlines operating flights from Phoenix Sky Harbor Intl Airport to Saint Thomas Island, such as Delta, United Airlines, and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,980 reviews

Crew

8.5

Boarding

8.2

Food

7.3

Comfort

7.9

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,980 reviews
Delta
8.0
Very good
7,980 reviews

Crew

8.5

Boarding

8.2

Food

7.3

Comfort

7.9

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,916 reviews
Delta
8.0
Very good
7,980 reviews

Crew

8.5

Boarding

8.2

Food

7.3

Comfort

7.9

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,980 reviews

Crew

8.5

Boarding

8.2

Food

7.3

Comfort

7.9

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Spirit Airlines
6.3
Okay
8,046 reviews
Delta
8.0
Very good
7,980 reviews

Crew

8.5

Boarding

8.2

Food

7.3

Comfort

7.9

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

Find useful and relevant information for your journey from Sky Harbor Intl 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 Phoenix Sky Harbor Intl?

    Most people fly into Saint Thomas Island Cyril E King (STT) if they book a flight to Saint Thomas Island from Phoenix Sky Harbor Intl. On average, Cyril E King has 0 inbound flights from Phoenix Sky Harbor Intl per day from 4 airlines. Saint Thomas Island Cyril E King is conveniently located just 2.8 mi from Saint Thomas Island’s city center.

  • What are the cheapest airlines flying from Phoenix Sky Harbor Intl Airport to Saint Thomas Island round-trip?

    Currently priced at $258, Spirit Airlines will fly you from Phoenix Sky Harbor Intl Airport to Saint Thomas Island and back. In addition to Spirit Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Delta and American Airlines - these airlines can fly you to your destination from $332 and $479, respectively. Spirit Airlines is priced at 59% lower than the current average price of a flight leaving 3 months from now.

  • Can I find deals for flights from Sky Harbor Intl to Saint Thomas Island that include hotel bookings?

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

  • How can I find direct flights from Sky Harbor Intl 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 Sky Harbor Intl to Saint Thomas Island.

  • Can I find deals for business class flights from Sky Harbor Intl to Saint Thomas Island?

    Yes. Cheapflights offers flight deals from Sky Harbor Intl 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 Phoenix Sky Harbor Intl Airport to Saint Thomas Island?

    Currently, September is the cheapest month in which you can book a flight from Phoenix Sky Harbor Intl Airport to Saint Thomas Island (average of $433). Flying from Phoenix Sky Harbor Intl Airport to Saint Thomas Island in June is currently the most expensive (average of $648). 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 Sky Harbor Intl to Saint Thomas Island

See prices for flight routes from nearby airports that may be better suited for you.
Sky Harbor Intl to Christiansted flights

Top 4 airlines flying from Sky Harbor Intl to Saint Thomas Island

Discover the top 4 airlines that operate flights from Sky Harbor Intl 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 August 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$258Average$393FlexibilityNo cancel feeOn-time65%
DeltaCheapest$332Average$594FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$479Average$646FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$479Average$649FlexibilityNo cancel feeOn-time69%

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