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

Currently priced at $366, 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 American Airlines and Delta - these airlines can fly you to your destination from $564 and $669, respectively. Spirit Airlines is priced at 40% lower than the current average price of a flight leaving 3 months from now.

What is the cheapest day to fly from Phoenix Sky Harbor Intl Airport to Saint Thomas Island?

Travelers seeking maximum savings on their Phoenix Sky Harbor Intl Airport to Saint Thomas Island flight should consider departing on Friday mornings when fares are most often at their lowest. Saturday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

What are the most popular airlines that fly from Phoenix Sky Harbor Intl Airport to Saint Thomas Island?

When booking a flight from Phoenix Sky Harbor Intl Airport to Saint Thomas Island, you may want to consider flying on American Airlines, Delta or Spirit Airlines as they are the most popular for this route.

What is the cheapest day to fly round-trip from Phoenix Sky Harbor Intl Airport to Saint Thomas Island?

Users have found that leaving on a Sunday can be a cost-effective option. It’s possible to save up to 14% on your flight compared to booking on days when demand is much higher.

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

Our data shows that August tends to be the cheapest month to fly to Saint Thomas Island from Phoenix Sky Harbor Intl Airport. Users have commonly found prices around $619 for the month, but tickets can be as low as $263. Due to multiple factors, prepare for potentially higher prices in June.

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.

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.

$366+ Flights from Phoenix Sky Harbor Intl Airport to Saint Thomas Island

Q: How far in advance should I book a flight from Phoenix Sky Harbor Intl Airport to Saint Thomas Island?

To save on the cost of your flight from Phoenix Sky Harbor Intl Airport to Saint Thomas Island, book at least 58 days before your planned departure. Booking around this time can save you about 115% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $387 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $814.

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

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

Round-trip from	$366 (FlightHub)
Popular in	June
Cheapest in	August
Average price	$573

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 ($48 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($18 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in July 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 July 3, 2025.

Tue 8/1211:49 pmPHX - STT

2 stops10h 59mSpirit Airlines

Thu 8/2112:18 pmSTT - PHX

2 stops36h 19mSpirit Airlines

Deal found 7/3

$366

Fri 7/182:24 pmPHX - STT

3 stops40h 24mMultiple Airlines

Tue 7/224:05 pmSTT - PHX

3 stops33h 14mMultiple Airlines

Deal found 7/3

$460

Sat 11/112:45 amPHX - STT

2 stops12h 05mAmerican Airlines

Thu 11/64:45 pmSTT - PHX

1 stop8h 59mAmerican Airlines

Deal found 7/2

$539

Fri 10/2410:55 pmPHX - STT

2 stops12h 40mJetBlue

Sat 11/13:39 pmSTT - PHX

2 stops21h 29mJetBlue

Deal found 7/1

$566

Best flights from Sky Harbor Intl to Saint Thomas Island
Discover carefully curated flight deals from Sky Harbor Intl to Saint Thomas Island that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 3, 2025.

Tue 8/1211:49 pmPHX - STT

2 stops10h 59mSpirit Airlines

Thu 8/2112:18 pmSTT - PHX

2 stops36h 19mSpirit Airlines

Deal found 7/3

$366

Fri 7/182:24 pmPHX - STT

3 stops40h 24mMultiple Airlines

Tue 7/224:05 pmSTT - PHX

3 stops33h 14mMultiple Airlines

Deal found 7/3

$460

Fri 9/54:57 pmPHX - STT

2 stops16h 51mAmerican Airlines

Mon 9/85:10 pmSTT - PHX

2 stops17h 54mAmerican Airlines

Deal found 7/3

$564

Sun 8/1011:59 pmPHX - STT

1 stop11h 11mDelta

Fri 8/223:23 pmSTT - PHX

1 stop8h 58mDelta

Deal found 7/3

$669

Thu 8/1411:35 pmPHX - STT

1 stop9h 42mUnited Airlines

Sat 8/2312:10 pmSTT - PHX

1 stop10h 05mUnited Airlines

Deal found 7/3

$794

Last-minute flights from Sky Harbor Intl to Saint Thomas Island
Discover last-minute flight deals from Sky Harbor Intl to Saint Thomas Island. Data last updated July 3, 2025 and is based on user searches.

Thu 7/104:57 pmPHX - STT

2 stops19h 13mSpirit Airlines

Sat 7/124:05 pmSTT - PHX

2 stops30h 16mSpirit Airlines

Deal found 7/1

$748

Thu 7/108:25 pmPHX - STT

2 stops13h 21mAmerican Airlines

Sat 7/121:53 pmSTT - PHX

1 stop8h 44mAmerican Airlines

Deal found 7/1

$839

Sun 7/136:45 pmPHX - STT

2 stops14h 32mUnited Airlines

Sun 7/201:19 pmSTT - PHX

2 stops14h 08mUnited Airlines

Deal found 7/2

$1,114

Sun 7/135:20 pmPHX - STT

2 stops15h 57mDelta

Sun 7/203:02 pmSTT - PHX

2 stops11h 40mDelta

Deal found 7/1

$1,224

Fri 7/182:24 pmPHX - STT

3 stops40h 24mMultiple Airlines

Tue 7/224:05 pmSTT - PHX

3 stops33h 14mMultiple Airlines

Deal found 7/3

$460

Sun 8/1011:59 pmPHX - STT

1 stop11h 11mDelta

Fri 8/223:23 pmSTT - PHX

1 stop8h 58mDelta

Deal found 7/3

$669

Tue 8/1211:49 pmPHX - STT

2 stops10h 59mSpirit Airlines

Thu 8/2112:18 pmSTT - PHX

2 stops36h 19mSpirit Airlines

Deal found 7/3

$366

Thu 8/1411:35 pmPHX - STT

1 stop9h 42mUnited Airlines

Sat 8/2312:10 pmSTT - PHX

1 stop10h 05mUnited Airlines

Deal found 7/3

$794

Sun 8/1710:12 pmPHX - STT

2 stops14h 48mAmerican Airlines

Mon 8/255:10 pmSTT - PHX

2 stops19h 06mAmerican Airlines

Deal found 7/3

$569

Cheapflights Fare Finder

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

Fly to

Route

Depart

Return

Price

PhoenixSaint Thomas Island

PHX - STT

PHXSTT

Phoenix Sky Harbor Intl

Tue 8/12

11:49 pm-1:48 pm

2 stops10h 59m

Saint Thomas Island Cyril E King

Thu 8/21

12:18 pm-9:37 pm

2 stops36h 19m

$366

PhoenixSaint Thomas Island

PHX - STT

PHXSTT

Phoenix Sky Harbor Intl

Fri 7/18

2:24 pm-9:48 am

3 stops40h 24m

Saint Thomas Island Cyril E King

Tue 7/22

4:05 pm-10:19 pm

3 stops33h 14m

$460

PhoenixSaint Thomas Island

PHX - STT

PHXSTT

Phoenix Sky Harbor Intl

Fri 9/5

4:57 pm-12:48 pm

2 stops16h 51m

Saint Thomas Island Cyril E King

Mon 9/8

5:10 pm-8:04 am

2 stops17h 54m

$564

PhoenixSaint Thomas Island

PHX - STT

PHXSTT

Phoenix Sky Harbor Intl

Sun 8/10

11:59 pm-2:10 pm

1 stop11h 11m

Saint Thomas Island Cyril E King

Fri 8/22

3:23 pm-9:21 pm

1 stop8h 58m

$669

PhoenixSaint Thomas Island

PHX - STT

PHXSTT

Phoenix Sky Harbor Intl

Thu 8/14

11:35 pm-12:17 pm

1 stop9h 42m

Saint Thomas Island Cyril E King

Sat 8/23

12:10 pm-7:15 pm

1 stop10h 05m

$794

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/3

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?

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?

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

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

7,970 reviews

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

7,970 reviews

Delta

8.0

Very good

7,970 reviews

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

8,845 reviews

Delta

8.0

Very good

7,970 reviews

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

7,970 reviews

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

8,094 reviews

Delta

8.0

Very good

7,970 reviews

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

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 $366, 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 American Airlines and Delta - these airlines can fly you to your destination from $564 and $669, respectively. Spirit Airlines is priced at 40% 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 $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

St. John

Browse thousands of different options on Cheapflights for your next trip

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

Airline	Cheapest	Average	Flexibility	On-time
Spirit Airlines	Cheapest$231	Average$393	FlexibilityNo cancel fee	On-time65%
Delta	Cheapest$332	Average$602	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$476	Average$641	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$479	Average$649	FlexibilityNo cancel fee	On-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.

$366+ Cheap flights from Sky Harbor Intl (PHX) 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 8/12. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Sky Harbor Intl to Saint Thomas Island with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

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

Round-trip from

Popular in

Cheapest in

Average price

Find flight deals from Sky Harbor Intl to Saint Thomas Island

Cheapest flights from Sky Harbor Intl to Saint Thomas IslandExplore 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 July 3, 2025.

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 July 3, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Phoenix Sky Harbor Intl Airport to Saint Thomas Island that are best for you.

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.

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 27, 2025.

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

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 July 3, 2025.

Reviews of airlines servicing Saint Thomas Island

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.

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?

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

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

How can I 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?

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

Traveling to a place near Phoenix Sky Harbor Intl Airport?

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.

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

100% Free

Book with Flexibility

Travel Smart

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 July 3, 2025.