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

Currently priced at $354, 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 $479 and $489, respectively. Spirit Airlines is priced at 41% 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 $604 for the month, but tickets can be as low as $266. Due to multiple factors, prepare for potentially higher prices in June.

Most accurate provider : When it comes to deals on Phoenix Sky Harbor Intl Airport-Saint Thomas Island flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Phoenix Sky Harbor Intl Airport-Saint Thomas Island flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from Phoenix Sky Harbor Intl Airport-Saint Thomas Island flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Phoenix Sky Harbor Intl Airport-Saint Thomas Island flights, Cheapflights users trust AranGrant the most. AranGrant has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Phoenix Sky Harbor Intl Airport-Saint Thomas Island flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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.

$354+ 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 26 days before your planned departure. Booking around this time can save you about 111% 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 $517.

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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 25 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

Most accurate provider	AranGrant 3 stars
Most trusted provider	AranGrant 3 stars
Round-trip from	$354 (Cheapflightsfares)
Popular in	June
Cheapest in	August
Average price	$577

Provider with most accurate pricing for Phoenix Sky Harbor Intl-Saint Thomas Island Cyril E King flight deals.

Search Deals

Provider most trusted by Cheapflights users for Phoenix Sky Harbor Intl-Saint Thomas Island Cyril E King flights.

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From Phoenix Sky Harbor Intl to Saint Thomas Island Cyril E King

Search Deals

Highest demand for flights based on searches. 6% potential increase in price ($42 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 1% potential price decrease ($11 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in April 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 April 17, 2025.

Fri 6/139:35 pmPHX - STT

2 stops13h 23mSpirit Airlines

Sat 6/2110:47 amSTT - PHX

2 stops12h 18mSpirit Airlines

Deal found 4/16

$354

Sun 8/179:59 pmPHX - STT

2 stops11h 51mAmerican Airlines

Mon 8/255:25 pmSTT - PHX

1 stop18h 53mAmerican Airlines

Deal found 4/16

$479

Thu 7/1011:15 pmPHX - STT

1 stop9h 57mDelta

Thu 7/171:21 pmSTT - PHX

1 stop12h 29mDelta

Deal found 4/17

$489

Fri 5/25:46 pmPHX - STT

3 stops37h 14mMultiple Airlines

Wed 5/79:28 amSTT - PHX

3 stops27h 22mMultiple Airlines

Deal found 4/16

$618

Fri 8/111:35 pmPHX - STT

1 stop9h 44mUnited Airlines

Sat 8/91:21 pmSTT - PHX

1 stop12h 16mUnited Airlines

Deal found 4/16

$649

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 April 17, 2025.

Fri 6/139:35 pmPHX - STT

2 stops13h 23mSpirit Airlines

Sat 6/2110:47 amSTT - PHX

2 stops12h 18mSpirit Airlines

Deal found 4/16

$354

Sun 8/179:59 pmPHX - STT

2 stops11h 51mAmerican Airlines

Mon 8/255:25 pmSTT - PHX

1 stop18h 53mAmerican Airlines

Deal found 4/16

$479

Thu 7/1011:15 pmPHX - STT

1 stop9h 57mDelta

Thu 7/171:21 pmSTT - PHX

1 stop12h 29mDelta

Deal found 4/17

$489

Fri 5/25:46 pmPHX - STT

3 stops37h 14mMultiple Airlines

Wed 5/79:28 amSTT - PHX

3 stops27h 22mMultiple Airlines

Deal found 4/16

$618

Fri 8/111:35 pmPHX - STT

1 stop9h 44mUnited Airlines

Sat 8/91:21 pmSTT - PHX

1 stop12h 16mUnited Airlines

Deal found 4/16

$649

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 April 17, 2025 and is based on user searches.

Sat 4/2611:59 pmPHX - STT

2 stops12h 44mUnited Airlines

Sat 5/31:17 pmSTT - PHX

1 stop10h 39mUnited Airlines

Deal found 4/17

$829

Sat 4/2611:50 pmPHX - STT

1 stop12h 15mDelta

Sat 5/31:55 pmSTT - PHX

1 stop11h 42mDelta

Deal found 4/16

$854

Sun 4/2712:48 amPHX - STT

1 stop10h 40mAmerican Airlines

Fri 5/24:50 pmSTT - PHX

1 stop9h 37mAmerican Airlines

Deal found 4/16

$669

Fri 5/25:46 pmPHX - STT

3 stops37h 14mMultiple Airlines

Wed 5/79:28 amSTT - PHX

3 stops27h 22mMultiple Airlines

Deal found 4/16

$618

Sat 5/312:48 amPHX - STT

2 stops11h 38mAmerican Airlines

Wed 5/145:10 pmSTT - PHX

2 stops17h 32mAmerican Airlines

Deal found 4/17

$569

Sun 5/189:19 amPHX - STT

2 stops21h 38mSpirit Airlines

Wed 5/212:41 pmSTT - PHX

2 stops20h 32mSpirit Airlines

Deal found 4/16

$355

Sun 5/1811:25 pmPHX - STT

1 stop12h 45mDelta

Wed 5/282:51 pmSTT - PHX

1 stop9h 13mDelta

Deal found 4/17

$519

Sun 5/1811:30 pmPHX - STT

1 stop10h 31mUnited Airlines

Sun 5/251:19 pmSTT - PHX

1 stop10h 23mUnited Airlines

Deal found 4/17

$609

One-way flights from Sky Harbor Intl to Saint Thomas Island
Search for one-way flight options from Sky Harbor Intl to Saint Thomas Island. Find affordable one-way fares based on user searches. Data last updated April 17, 2025.

Sat 4/2610:55 pmPHX - STT

1 stop15h 04mAmerican Airlines

Deal found 4/17

$358

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

Fri 6/13

9:35 pm-1:58 pm

2 stops13h 23m

Saint Thomas Island Cyril E King

Sat 6/21

10:47 am-8:05 pm

2 stops12h 18m

$354

PhoenixSaint Thomas Island

PHX - STT

PHXSTT

Phoenix Sky Harbor Intl

Sun 8/17

9:59 pm-12:50 pm

2 stops11h 51m

Saint Thomas Island Cyril E King

Mon 8/25

5:25 pm-9:18 am

1 stop18h 53m

$479

PhoenixSaint Thomas Island

PHX - STT

PHXSTT

Phoenix Sky Harbor Intl

Thu 7/10

11:15 pm-12:12 pm

1 stop9h 57m

Saint Thomas Island Cyril E King

Thu 7/17

1:21 pm-10:50 pm

1 stop12h 29m

$489

PhoenixSaint Thomas Island

PHX - STT

PHXSTT

Phoenix Sky Harbor Intl

Fri 5/2

5:46 pm-10:00 am

3 stops37h 14m

Saint Thomas Island Cyril E King

Wed 5/7

9:28 am-9:50 am

3 stops27h 22m

$618

PhoenixSaint Thomas Island

PHX - STT

PHXSTT

Phoenix Sky Harbor Intl

Fri 8/1

11:35 pm-12:19 pm

1 stop9h 44m

Saint Thomas Island Cyril E King

Sat 8/9

1:21 pm-10:37 pm

1 stop12h 16m

$649

PhoenixSaint Thomas Island

PHX - STT

PHXSTT

Phoenix Sky Harbor Intl

Sat 4/26

10:55 pm-4:59 pm

1 stop15h 04m

$358

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/17

Compare providers for flights from Sky Harbor Intl to Saint Thomas Island

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Sky Harbor Intl to Saint Thomas Island in April.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*2 stars
AranGrant	Price Accuracy3 stars	Trust Score*3 stars
eDreams	Price Accuracy3 stars	Trust Score*3 stars
Flightnetwork	Price Accuracy-	Trust Score*3 stars
CheapOair	Price Accuracy1 star	Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on Phoenix Sky Harbor Intl Airport-Saint Thomas Island flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Phoenix Sky Harbor Intl Airport-Saint Thomas Island flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from Phoenix Sky Harbor Intl Airport-Saint Thomas Island flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Phoenix Sky Harbor Intl Airport-Saint Thomas Island flights, Cheapflights users trust AranGrant the most. AranGrant has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Phoenix Sky Harbor Intl Airport-Saint Thomas Island flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 25 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 $640). 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 to Saint Thomas Island, such as Delta, United Airlines and American Airlines. 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

7,916 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta

8.0

Very good

7,916 reviews

Delta

8.0

Very good

7,916 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

United Airlines

7.4

Good

8,667 reviews

Delta

8.0

Very good

7,916 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

American Airlines

7.2

Good

10,000 reviews

Delta

8.0

Very good

7,916 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Spirit Airlines

6.3

Okay

7,926 reviews

Delta

8.0

Very good

7,916 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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 $354, 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 $479 and $489, respectively. Spirit Airlines is priced at 41% 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 $640). 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$245	Average$393	FlexibilityNo cancel fee	On-time65%
Delta	Cheapest$332	Average$607	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$457	Average$691	FlexibilityNo cancel fee	On-time69%
American Airlines	Cheapest$461	Average$632	FlexibilityNo cancel fee	On-time71%

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$354+ 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 6/13. 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 25 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

Most accurate provider

Most trusted provider

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 April 17, 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 April 17, 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.

Compare providers for flights from Sky Harbor Intl to Saint Thomas Island

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Sky Harbor Intl to Saint Thomas Island in April.

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 April 11, 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 April 17, 2025.

Reviews of airlines servicing Saint Thomas Island

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

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Alternative routes for Sky Harbor Intl to Saint Thomas Island

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

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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 April 17, 2025.