HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Saint Thomas Island

$211+ 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 8/12. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — STT
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Sky Harbor Intl 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.

Cheapflights Tip: The best prices from Phoenix Sky Harbor Intl to Saint Thomas Island Cyril E King are usually found in August or September, booked 57 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 June 12, 2025.

Round-trip from

$367
(FlightHub)

One-way from

$211
(Mytrip)

Popular in

June

Cheapest in

August

Average price

$814
From Phoenix Sky Harbor Intl to Saint Thomas Island Cyril E King
Search Deals
One-way flight from Phoenix Sky Harbor Intl to Saint Thomas Island Cyril E King
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($49 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($18 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2025
Search Deals

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 June 12, 2025.

This FlightHub deal was found by Cheapflights users on 6/9. 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.
Tue 9/23:16 pmPHX - STT
2 stops18h 36mSpirit Airlines
Tue 9/91:47 pmSTT - PHX
2 stops27h 24mSpirit Airlines
Deal found 6/9$367
This Mytrip deal was found by Cheapflights users on 6/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/182:48 pmPHX - STT
3 stops43h 04mMultiple Airlines
Mon 8/251:47 pmSTT - PHX
2 stops27h 24mMultiple Airlines
Deal found 6/11$399
This FlightHub deal was found by Cheapflights users on 6/12. 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 7/315:27 pmPHX - STT
2 stops20h 02mFrontier
Fri 8/85:14 pmSTT - PHX
2 stops26h 02mFrontier
Deal found 6/12$514
This American Airlines deal was found by Cheapflights users on 6/11. 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.
Mon 8/1811:50 pmPHX - STT
1 stop10h 00mAmerican Airlines
Mon 8/255:10 pmSTT - PHX
1 stop19h 07mAmerican Airlines
Deal found 6/11$539
This Delta deal was found by Cheapflights users on 6/11. 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 8/77:32 pmPHX - STT
2 stops15h 20mDelta
Wed 8/133:23 pmSTT - PHX
1 stop8h 58mDelta
Deal found 6/11$579
This United Airlines deal was found by Cheapflights users on 6/10. 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 10/2711:59 pmPHX - STT
1 stop9h 13mUnited Airlines
Sun 11/21:02 pmSTT - PHX
1 stop10h 53mUnited Airlines
Deal found 6/10$629

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 June 12, 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

Tue 9/2

3:16 pm-12:52 pm

2 stops18h 36m

Saint Thomas Island Cyril E King

Tue 9/9

1:47 pm-2:11 pm

2 stops27h 24m

$367

PhoenixSaint Thomas Island

PHX - STT

PHXSTT

Phoenix Sky Harbor Intl

Mon 8/18

2:48 pm-12:52 pm

3 stops43h 04m

Saint Thomas Island Cyril E King

Mon 8/25

1:47 pm-2:11 pm

2 stops27h 24m

$399

PhoenixSaint Thomas Island

PHX - STT

PHXSTT

Phoenix Sky Harbor Intl

Thu 7/31

5:27 pm-4:29 pm

2 stops20h 02m

Saint Thomas Island Cyril E King

Fri 8/8

5:14 pm-4:16 pm

2 stops26h 02m

$514

PhoenixSaint Thomas Island

PHX - STT

PHXSTT

Phoenix Sky Harbor Intl

Mon 8/18

11:50 pm-12:50 pm

1 stop10h 00m

Saint Thomas Island Cyril E King

Mon 8/25

5:10 pm-9:17 am

1 stop19h 07m

$539

PhoenixSaint Thomas Island

PHX - STT

PHXSTT

Phoenix Sky Harbor Intl

Thu 8/7

7:32 pm-1:52 pm

2 stops15h 20m

Saint Thomas Island Cyril E King

Wed 8/13

3:23 pm-9:21 pm

1 stop8h 58m

$579

PhoenixSaint Thomas Island

PHX - STT

PHXSTT

Phoenix Sky Harbor Intl

Mon 10/27

11:59 pm-12:12 pm

1 stop9h 13m

Saint Thomas Island Cyril E King

Sun 11/2

1:02 pm-8:55 pm

1 stop10h 53m

$629

PhoenixSaint Thomas Island

PHX - STT

PHXSTT

Phoenix Sky Harbor Intl

Tue 8/12

11:49 pm-8:45 am

2 stops29h 56m

$211

PhoenixSaint Thomas Island

PHX - STT

PHXSTT

Phoenix Sky Harbor Intl

Tue 8/12

11:59 pm-2:10 pm

1 stop11h 11m

$303

PhoenixSaint Thomas Island

PHX - STT

PHXSTT

Phoenix Sky Harbor Intl

Tue 10/21

10:35 pm-12:50 pm

1 stop11h 15m

$308

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

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 June 9, 2025.

Booking 57 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 $650). 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 June 12, 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 June 12, 2025.
Delta
8.0
Very good
7,950 reviews

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Crew

8.5

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
7,950 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Crew

8.5

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
8,790 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Crew

8.5

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
7,950 reviews

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Crew

8.5

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
8,052 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Crew

8.5

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!
Frontier
5.9
Fair
3,295 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Crew

8.5

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 $367, 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 Frontier and American Airlines - these airlines can fly you to your destination from $514 and $539, respectively. Spirit Airlines is priced at 40% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from Phoenix Sky Harbor Intl Airport to Saint Thomas Island one-way?

    To fly one-way, consider booking your trip with Spirit Airlines, which is currently one of the cheapest options available, starting at $211. Delta flights start at $303 while deals on American Airlines start at $308 one-way.

  • 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 $650). 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 Phoenix Sky Harbor Intl Airport?

Book flights to Phoenix Sky Harbor Intl Airport if you plan to visit one of these locations
St. John

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$231Average$393FlexibilityNo cancel feeOn-time65%
DeltaCheapest$332Average$590FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$467Average$630FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$479Average$649FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.