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Saint Thomas Island

$173+ Cheap flights from Phoenix 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 10/26. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — STT
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
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Cheapflights Tip: The best prices from Phoenix to Saint Thomas Island Cyril E King are usually found in September or August, booked 64 days in advance, depart on a Monday or Tuesday and return on a Monday

Cheap flight deals from Phoenix to Saint Thomas Island

Discover tips and strategies to find the most affordable flight options for your journey from Phoenix (PH1) 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 15, 2025.

Round-trip from

$333
(Kiwi.com)

One-way from

$173
(Trip.com)

Popular in

June

Cheapest in

September

Average price

$564
From Phoenix to Saint Thomas Island Cyril E King
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One-way flight from Phoenix to Saint Thomas Island Cyril E King
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Highest demand for flights based on searches. 6% potential increase in price ($44 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 September 2025
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Find flight deals from Phoenix to Saint Thomas Island

Cheapest flights from Phoenix to Saint Thomas Island
Explore the most affordable flight options available from Phoenix to Saint Thomas Island. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2025.

This Kiwi.com deal was found by Cheapflights users on 9/13. 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 10/2410:58 amPHX - STT
1 stop19h 58mSpirit Airlines
Wed 10/2911:01 amSTT - PHX
1 stop25h 52mSpirit Airlines
Deal found 9/13$333
This Kiwi.com deal was found by Cheapflights users on 9/13. 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 10/2410:58 amPHX - STT
1 stop19h 58mSpirit Airlines
Sat 11/111:01 amSTT - PHX
1 stop26h 52mSpirit Airlines
Deal found 9/13$334
This Kiwi.com deal was found by Cheapflights users on 9/15. 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.
Mon 10/2710:58 amPHX - STT
1 stop19h 58mSpirit Airlines
Wed 10/2911:01 amSTT - PHX
1 stop25h 52mSpirit Airlines
Deal found 9/15$337
This Kiwi.com deal was found by Cheapflights users on 9/13. 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.
Sat 10/2511:00 pmPHX - STT
1 stop11h 35mMultiple Airlines
Wed 10/2911:01 amSTT - PHX
1 stop25h 52mMultiple Airlines
Deal found 9/13$344
This Kiwi.com deal was found by Cheapflights users on 9/13. 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 10/2410:58 amPHX - STT
1 stop19h 58mSpirit Airlines
Sun 11/211:56 amSTT - PHX
1 stop25h 57mSpirit Airlines
Deal found 9/13$346
This Kiwi.com deal was found by Cheapflights users on 9/13. 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.
Sun 10/2610:58 amPHX - STT
1 stop19h 58mSpirit Airlines
Wed 10/2911:01 amSTT - PHX
1 stop25h 52mSpirit Airlines
Deal found 9/13$347
This Kiwi.com deal was found by Cheapflights users on 9/13. 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 10/2310:58 amPHX - STT
1 stop19h 58mSpirit Airlines
Wed 10/2911:01 amSTT - PHX
1 stop25h 52mSpirit Airlines
Deal found 9/13$348
This Kiwi.com deal was found by Cheapflights users on 9/13. 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 10/2310:58 amPHX - STT
1 stop19h 58mSpirit Airlines
Sat 11/111:01 amSTT - PHX
1 stop26h 52mSpirit Airlines
Deal found 9/13$349
This Kiwi.com deal was found by Cheapflights users on 9/15. 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.
Mon 10/2710:58 amPHX - STT
1 stop19h 58mSpirit Airlines
Thu 10/3011:01 amSTT - PHX
1 stop25h 52mSpirit Airlines
Deal found 9/15$351
This Kiwi.com deal was found by Cheapflights users on 9/13. 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.
Sat 10/2511:00 pmPHX - STT
1 stop11h 35mMultiple Airlines
Sun 11/211:56 amSTT - PHX
1 stop25h 57mMultiple Airlines
Deal found 9/13$357

Cheapflights Fare Finder

 
Customize your flight search to find flights from Phoenix 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 September 15, 2025.
Use the filters below to find and compare flights from Phoenix to Saint Thomas Island that are best for you.

Fly from

Phoenix

Fly to

Saint Thomas Island

Route

Depart

Return

Price

PhoenixSaint Thomas Island

PHX - STT

PHXSTT

Phoenix Sky Harbor Intl

Mon 10/27

10:58 am-9:56 am

1 stop19h 58m

Saint Thomas Island Cyril E King

Sat 11/1

11:01 am-10:47 am

2 stops26h 46m

$359

PhoenixSaint Thomas Island

PHX - STT

PHXSTT

Phoenix Sky Harbor Intl

Tue 10/21

10:59 pm-9:56 am

2 stops31h 57m

Saint Thomas Island Cyril E King

Wed 10/29

11:01 am-9:53 am

1 stop25h 52m

$380

PhoenixSaint Thomas Island

PHX - STT

PHXSTT

Phoenix Sky Harbor Intl

Fri 10/24

10:58 am-9:56 am

1 stop19h 58m

Saint Thomas Island Cyril E King

Fri 10/31

11:01 am-12:13 pm

2 stops28h 12m

$380

PhoenixSaint Thomas Island

PHX - STT

PHXSTT

Phoenix Sky Harbor Intl

Sat 10/25

11:00 pm-1:35 pm

1 stop11h 35m

Saint Thomas Island Cyril E King

Thu 10/30

2:40 pm-7:50 am

2 stops20h 10m

$387

PhoenixSaint Thomas Island

PHX - STT

PHXSTT

Phoenix Sky Harbor Intl

Wed 10/22

7:30 pm-12:59 pm

2 stops14h 29m

Saint Thomas Island Cyril E King

Sun 11/2

11:56 am-10:53 am

1 stop25h 57m

$409

PhoenixSaint Thomas Island

PHX - STT

PHXSTT

Phoenix Sky Harbor Intl

Wed 3/4

6:28 pm-3:51 pm

1 stop18h 23m

Saint Thomas Island Cyril E King

Wed 3/11

12:30 pm-12:12 am

1 stop14h 42m

$539

PhoenixSaint Thomas Island

PHX - STT

PHXSTT

Phoenix Sky Harbor Intl

Thu 12/4

12:30 am-4:58 pm

2 stops13h 28m

Saint Thomas Island Cyril E King

Sun 12/14

6:17 pm-12:57 am

1 stop9h 40m

$569

PhoenixSaint Thomas Island

PHX - STT

PHXSTT

Phoenix Sky Harbor Intl

Sun 2/15

7:55 pm-3:51 pm

1 stop16h 56m

Saint Thomas Island Cyril E King

Sat 2/21

1:30 pm-10:49 pm

1 stop12h 19m

$589

PhoenixSaint Thomas Island

PHX - STT

PHXSTT

Phoenix Sky Harbor Intl

Thu 11/13

12:30 am-4:57 pm

2 stops13h 27m

Saint Thomas Island Cyril E King

Sat 11/22

2:41 pm-12:37 am

1 stop12h 56m

$594

PhoenixSaint Thomas Island

PHX - STT

PHXSTT

Phoenix Sky Harbor Intl

Sun 11/2

11:59 pm-1:12 pm

1 stop10h 13m

Saint Thomas Island Cyril E King

Thu 11/6

1:02 pm-8:43 pm

1 stop10h 41m

$629

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 21 results
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Best time to book a flight from Phoenix to Saint Thomas Island

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

How far ahead should I book a flight from Phoenix to Saint Thomas Island?

Use this chart to determine the optimal time to book a round-trip flight from Phoenix to Saint Thomas Island. Price data was last updated on September 12, 2025.

The price you pay for your flight from Phoenix to Saint Thomas Island may vary depending on when you book. For the best chance of a lower fare, look to book 62 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, September is the cheapest month in which you can book a flight from Phoenix to Saint Thomas Island (average of $433). Flying from Phoenix to Saint Thomas Island in June is currently the most expensive (average of $643). 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 Phoenix 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 September 15, 2025.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 40% on flights from Phoenix 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 September 15, 2025.
Read reviews from past customers who have flown Delta, United Airlines, and American Airlines from Phoenix to Saint Thomas Island. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,954 reviews

Crew

8.5

Food

7.3

Comfort

7.9

Entertainment

7.9

Overall

8.0

Boarding

8.2

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
7,954 reviews
Delta
8.0
Very good
7,954 reviews

Crew

8.5

Food

7.3

Comfort

7.9

Entertainment

7.9

Overall

8.0

Boarding

8.2

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
8,929 reviews
Delta
8.0
Very good
7,954 reviews

Crew

8.5

Food

7.3

Comfort

7.9

Entertainment

7.9

Overall

8.0

Boarding

8.2

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
7,954 reviews

Crew

8.5

Food

7.3

Comfort

7.9

Entertainment

7.9

Overall

8.0

Boarding

8.2

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
8,015 reviews
Delta
8.0
Very good
7,954 reviews

Crew

8.5

Food

7.3

Comfort

7.9

Entertainment

7.9

Overall

8.0

Boarding

8.2

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 Phoenix 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?

    Located just 2.8 mi from the city center, Saint Thomas Island Cyril E King is the airport most travelers will use when flying to Saint Thomas Island from Phoenix. Booking flights from Phoenix to Cyril E King (STT) should be relatively easy as there are 0 daily inbound flights from Phoenix from 4 different airlines.

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

    Our cheapest airline available from Phoenix to Saint Thomas Island is Spirit Airlines. Our recent data shows that you can find tickets from as low as $258 on this airline. Additional options worth looking into are Delta and United Airlines, starting at $332 and $479 round-trip. Spirit Airlines is 59% cheaper than the average price of flights available within the next 90 days to this destination.

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

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

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

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

    Yes. Cheapflights offers flight deals from Phoenix 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 to Saint Thomas Island?

    Currently, September is the cheapest month in which you can book a flight from Phoenix to Saint Thomas Island (average of $433). Flying from Phoenix to Saint Thomas Island in June is currently the most expensive (average of $643). 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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Top 4 airlines flying from Phoenix to Saint Thomas Island

Discover the top 4 airlines that operate flights from Phoenix 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 September 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$258Average$429FlexibilityNo cancel feeOn-time65%
DeltaCheapest$332Average$594FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$479Average$649FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$479Average$672FlexibilityNo cancel feeOn-time71%

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