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 $341 on this airline. Additional options worth looking into are American Airlines and Delta, starting at $539 and $564 round-trip. Spirit Airlines is 45% cheaper than the average price of flights available within the next 90 days to this destination.

What is the cheapest day to fly from Phoenix to Saint Thomas Island?

Travelers seeking maximum savings on their Phoenix 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 to Saint Thomas Island?

American Airlines, Delta and Spirit Airlines are the most popular airlines when flying from Phoenix to Saint Thomas Island.

What is the cheapest day to fly round-trip from Phoenix 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.

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

To save on the cost of your flight from Phoenix to Saint Thomas Island, book at least 40 days before your planned departure. Booking around this time can save you about 95% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $585 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $814.

What is the cheapest month to fly from Phoenix to Saint Thomas Island?

Our data shows that August tends to be the cheapest month to fly to Saint Thomas Island from Phoenix. Users have commonly found prices around $627 for the month, but tickets can be as low as $278. 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?

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.

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.

$341+ Flights from Phoenix to Saint Thomas Island

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1. Tell us where you want to go

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Cheapflights Tip: The best prices from Phoenix to Saint Thomas Island Cyril E King are usually found in August or September, 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

Round-trip from	$341 (FlightHub)
Popular in	June
Cheapest in	August
Average price	$598

From Phoenix 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. 2% potential price decrease ($17 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in July 2025

Search Deals

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 julio 30, 2025.

jue. 11/63:57 pmPHX - STT

1 stop17h 31mSpirit Airlines

mié. 11/121:33 pmSTT - PHX

1 stop28h 29mSpirit Airlines

Deal found 7/30

$341

jue. 9/1812:14 pmPHX - STT

1 stop18h 30mMultiple Airlines

lun. 9/2210:49 amSTT - PHX

3 stops27h 10mMultiple Airlines

Deal found 7/29

$535

sáb. 11/112:30 amPHX - STT

1 stop8h 13mAmerican Airlines

jue. 11/66:17 pmSTT - PHX

1 stop9h 19mAmerican Airlines

Deal found 7/30

$539

jue. 12/114:44 pmPHX - STT

2 stops16h 16mUnited Airlines

vie. 12/191:02 pmSTT - PHX

2 stops13h 07mUnited Airlines

Deal found 7/28

$575

vie. 9/511:59 pmPHX - STT

1 stop12h 14mDelta

mié. 9/103:23 pmSTT - PHX

1 stop8h 58mDelta

Deal found 7/28

$619

Best flights from Phoenix to Saint Thomas Island
Discover carefully curated flight deals from Phoenix to Saint Thomas Island that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated julio 30, 2025.

jue. 9/1112:01 pmPHX - STT

1 stop18h 43mSpirit Airlines

dom. 9/1410:49 amSTT - PHX

1 stop27h 07mSpirit Airlines

Deal found 7/30

$341

jue. 9/1812:14 pmPHX - STT

1 stop18h 30mMultiple Airlines

lun. 9/2210:49 amSTT - PHX

3 stops27h 10mMultiple Airlines

Deal found 7/29

$535

mié. 9/1711:17 pmPHX - STT

2 stops13h 43mAmerican Airlines

dom. 9/285:10 pmSTT - PHX

2 stops19h 24mAmerican Airlines

Deal found 7/27

$539

vie. 9/1911:44 pmPHX - STT

1 stop10h 49mDelta

jue. 9/252:43 pmSTT - PHX

1 stop10h 29mDelta

Deal found 7/29

$564

vie. 9/196:27 pmPHX - STT

2 stops13h 41mUnited Airlines

dom. 9/282:10 pmSTT - PHX

1 stop11h 47mUnited Airlines

Deal found 7/28

$679

lun. 10/1310:55 pmPHX - STT

2 stops16h 05mJetBlue

vie. 10/177:49 amSTT - PHX

2 stops16h 07mJetBlue

Deal found 7/27

$781

Last-minute flights from Phoenix to Saint Thomas Island
Discover last-minute flight deals from Phoenix to Saint Thomas Island. Data last updated julio 30, 2025 and is based on user searches.

lun. 8/411:49 pmPHX - STT

2 stops30h 59mMultiple Airlines

lun. 8/114:35 pmSTT - PHX

3 stops32h 59mMultiple Airlines

Deal found 7/30

$863

lun. 8/411:49 pmPHX - STT

2 stops30h 59mSpirit Airlines

lun. 8/114:05 pmSTT - PHX

2 stops33h 29mSpirit Airlines

Deal found 7/30

$889

lun. 8/48:45 pmPHX - STT

2 stops11h 00mAmerican Airlines

lun. 8/115:10 pmSTT - PHX

1 stop19h 07mAmerican Airlines

Deal found 7/29

$1,013

jue. 8/79:15 amPHX - STT

3 stops24h 02mUnited Airlines

mié. 8/134:45 pmSTT - PHX

2 stops20h 06mUnited Airlines

Deal found 7/30

$1,669

dom. 8/107:39 amPHX - STT

2 stops23h 09mMultiple Airlines

vie. 8/1512:18 pmSTT - PHX

3 stops31h 14mMultiple Airlines

Deal found 7/29

$586

mar. 8/1211:49 pmPHX - STT

2 stops10h 59mSpirit Airlines

sáb. 8/162:43 pmSTT - PHX

2 stops33h 54mSpirit Airlines

Deal found 7/28

$507

mar. 8/126:45 pmPHX - STT

2 stops14h 32mUnited Airlines

sáb. 8/162:10 pmSTT - PHX

1 stop10h 45mUnited Airlines

Deal found 7/28

$846

jue. 8/1411:59 pmPHX - STT

1 stop11h 11mDelta

mié. 8/203:23 pmSTT - PHX

1 stop10h 26mDelta

Deal found 7/28

$844

lun. 8/1811:06 pmPHX - STT

2 stops10h 44mAmerican Airlines

lun. 8/251:50 pmSTT - PHX

1 stop11h 25mAmerican Airlines

Deal found 7/29

$669

Cheapflights Fare Finder

Use the filters below to find and compare flights from Phoenix 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

jue. 9/11

12:01 pm-9:44 am

1 stop18h 43m

Saint Thomas Island Cyril E King

dom. 9/14

10:49 am-10:56 am

1 stop27h 07m

$341

PhoenixSaint Thomas Island

PHX - STT

PHXSTT

Phoenix Sky Harbor Intl

jue. 9/18

12:14 pm-9:44 am

1 stop18h 30m

Saint Thomas Island Cyril E King

lun. 9/22

10:49 am-10:59 am

3 stops27h 10m

$535

PhoenixSaint Thomas Island

PHX - STT

PHXSTT

Phoenix Sky Harbor Intl

mié. 9/17

11:17 pm-4:00 pm

2 stops13h 43m

Saint Thomas Island Cyril E King

dom. 9/28

5:10 pm-9:34 am

2 stops19h 24m

$539

PhoenixSaint Thomas Island

PHX - STT

PHXSTT

Phoenix Sky Harbor Intl

vie. 9/19

11:44 pm-1:33 pm

1 stop10h 49m

Saint Thomas Island Cyril E King

jue. 9/25

2:43 pm-10:12 pm

1 stop10h 29m

$564

PhoenixSaint Thomas Island

PHX - STT

PHXSTT

Phoenix Sky Harbor Intl

vie. 9/19

6:27 pm-11:08 am

2 stops13h 41m

Saint Thomas Island Cyril E King

dom. 9/28

2:10 pm-10:57 pm

1 stop11h 47m

$679

PhoenixSaint Thomas Island

PHX - STT

PHXSTT

Phoenix Sky Harbor Intl

lun. 10/13

10:55 pm-6:00 pm

2 stops16h 05m

Saint Thomas Island Cyril E King

vie. 10/17

7:49 am-8:56 pm

2 stops16h 07m

$781

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/30

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?

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 $649). 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 to Saint Thomas Island by exploring options for tickets in the morning.

Reviews of airlines servicing Saint Thomas Island

Read reviews from past customers who have flown Delta, United Airlines, and JetBlue 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

7,980 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

7,980 reviews

Delta

8.0

Very good

7,980 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

8,896 reviews

Delta

8.0

Very good

7,980 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!

JetBlue

7.3

Good

2,913 reviews

Delta

8.0

Very good

7,980 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

7,980 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

8,048 reviews

Delta

8.0

Very good

7,980 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?
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 $341 on this airline. Additional options worth looking into are American Airlines and Delta, starting at $539 and $564 round-trip. Spirit Airlines is 45% 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 $649). 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 Phoenix to Saint Thomas Island

Airline	Cheapest	Average	Flexibility	On-time
Spirit Airlines	Cheapest$258	Average$393	FlexibilityNo cancel fee	On-time65%
Delta	Cheapest$332	Average$585	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$478	Average$643	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$479	Average$649	FlexibilityNo cancel fee	On-time69%

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$341+ Cheap flights from Phoenix 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 9/11. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Phoenix 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 to Saint Thomas Island Cyril E King are usually found in August or September, 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

Round-trip from

Popular in

Cheapest in

Average price

Find flight deals from Phoenix to Saint Thomas Island

Cheapest flights from Phoenix to Saint Thomas IslandExplore 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 julio 30, 2025.

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 julio 30, 2025.

Cheapflights Fare Finder

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

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.

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 July 25, 2025.

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

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 julio 30, 2025.

Reviews of airlines servicing Saint Thomas Island

Read reviews from past customers who have flown Delta, United Airlines, and JetBlue 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.

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?

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

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

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

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

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

Traveling to a place near Saint Thomas Island?

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Alternative routes for Phoenix to Saint Thomas Island

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Top 4 airlines flying from Phoenix to Saint Thomas Island

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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 julio 30, 2025.