$190 Cheap Flights from Phoenix (PHX) to St. Thomas (STT)

View $190 flight on Sun, Mar 29, 2026Opens in a new window

Popular airlines from Phoenix Sky Harbor Intl. Airport (PHX) to Cyril E. King Airport (STT)

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Cheap Flights from Phoenix to St. Thomas (PHX-STT)

Prices were available within the past 7 days and start at $190 for one-way flights and $382 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

JetBlue Airways
Tue, Mar 10 - Tue, Mar 24
PHX
Phoenix
STT
St. Thomas
$382 Roundtrip, found 12 hours ago
$382
Roundtrip
found 12 hours ago
Select JetBlue Airways flight, departing Tue, Mar 10 from Phoenix to St. Thomas, returning Tue, Mar 24, priced at $382 found 12 hours ago
Spirit Airlines
Thu, Nov 20 - Sat, Nov 22
PHX
Phoenix
STT
St. Thomas
$395 Roundtrip, found 6 days ago
$395
Roundtrip
found 6 days ago
Select Spirit Airlines flight, departing Thu, Nov 20 from Phoenix to St. Thomas, returning Sat, Nov 22, priced at $395 found 6 days ago
JetBlue Airways
Mon, Mar 16 - Tue, Mar 24
PHX
Phoenix
STT
St. Thomas
$416 Roundtrip, found 12 hours ago
$416
Roundtrip
found 12 hours ago
Select JetBlue Airways flight, departing Mon, Mar 16 from Phoenix to St. Thomas, returning Tue, Mar 24, priced at $416 found 12 hours ago
JetBlue Airways
Sun, Mar 15 - Fri, Mar 27
PHX
Phoenix
STT
St. Thomas
$419 Roundtrip, found 12 hours ago
$419
Roundtrip
found 12 hours ago
Select JetBlue Airways flight, departing Sun, Mar 15 from Phoenix to St. Thomas, returning Fri, Mar 27, priced at $419 found 12 hours ago
JetBlue Airways
Tue, Mar 17 - Sun, Apr 5
PHX
Phoenix
STT
St. Thomas
$426 Roundtrip, found 3 days ago
$426
Roundtrip
found 3 days ago
Select JetBlue Airways flight, departing Tue, Mar 17 from Phoenix to St. Thomas, returning Sun, Apr 5, priced at $426 found 3 days ago
JetBlue Airways
Mon, Mar 9 - Wed, Mar 18
PHX
Phoenix
STT
St. Thomas
$431 Roundtrip, found 19 hours ago
$431
Roundtrip
found 19 hours ago
Select JetBlue Airways flight, departing Mon, Mar 9 from Phoenix to St. Thomas, returning Wed, Mar 18, priced at $431 found 19 hours ago
JetBlue Airways
Tue, Apr 14 - Mon, Apr 27
PHX
Phoenix
STT
St. Thomas
$436 Roundtrip, found 4 days ago
$436
Roundtrip
found 4 days ago
Select JetBlue Airways flight, departing Tue, Apr 14 from Phoenix to St. Thomas, returning Mon, Apr 27, priced at $436 found 4 days ago
American Airlines
Thu, Feb 26 - Wed, Mar 4
PHX
Phoenix
STT
St. Thomas
$539 Roundtrip, found 1 hour ago
$539
Roundtrip
found 1 hour ago
Select American Airlines flight, departing Thu, Feb 26 from Phoenix to St. Thomas, returning Wed, Mar 4, priced at $539 found 1 hour ago
Delta
Wed, Mar 25 - Wed, Apr 1
PHX
Phoenix
STT
St. Thomas
$539 Roundtrip, found 11 hours ago
$539
Roundtrip
found 11 hours ago
Select Delta flight, departing Wed, Mar 25 from Phoenix to St. Thomas, returning Wed, Apr 1, priced at $539 found 11 hours ago
United
Mon, Jan 26 - Fri, Jan 30
PHX
Phoenix
STT
St. Thomas
$539 Roundtrip, found 11 hours ago
$539
Roundtrip
found 11 hours ago
Select United flight, departing Mon, Jan 26 from Phoenix to St. Thomas, returning Fri, Jan 30, priced at $539 found 11 hours ago

Find the cheapest month to fly from Phoenix (PHX) to St. Thomas (STT)

May is typically the cheapest month to fly

From $339 - $899 per traveler.

Alternative airports near St. Thomas

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Terrance B. Lettsome Intl. EIS. Flights from $1,095
EIS
Terrance B. Lettsome Intl.
Flights from $1,095
Select flight to Benjamin Rivera Noriega CPX. Flights from $998
CPX
Benjamin Rivera Noriega
Flights from $998

Frequently asked questions

How much does a flight from Sky Harbor Intl. Airport (PHX) to Cyril E. King Airport (STT) cost?
Grab a cheap one-way flight from $190 or cheap return flight from $382 from Sky Harbor Intl. Airport (PHX) to Cyril E. King Airport (STT) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Sky Harbor Intl. Airport (PHX) to Cyril E. King Airport (STT)?
The cheapest month to fly from PHX to STT is March, when there's less demand. Off-peak season is generally when you'll find cheap fares for travel between these airports.
What is the cheapest airline that flies from Sky Harbor Intl. Airport (PHX) to Cyril E. King Airport (STT)?
Use the filter tool on Expedia to compare different airlines and find the cheapest carrier that'll fly you from PHX to STT. Then, sort your results by "Price (lowest to highest)" to snap up a good deal.
How many flights per day from Sky Harbor Intl. Airport (PHX) to Cyril E. King Airport (STT)?
Direct flights from Sky Harbor Intl. Airport (PHX) to Cyril E. King Airport (STT) aren't available daily, so you'll need to take a flight with a layover. Explore your options with Expedia's filters. Enter your travel dates and select either "1 Stop" or "2+ Stops."
What day of the week has the most flights from PHX to STT?
Usually you'll find the widest variety of flight choices on a Friday. Tuesdays are often the quietest.* However, this can vary based on the season, carrier and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Sky Harbor Intl. Airport (PHX) to Cyril E. King Airport (STT)?
To land at Cyril E. King Airport (STT) on time, book a flight that takes off from Sky Harbor Intl. Airport (PHX) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this hour.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Sky Harbor Intl. Airport (PHX) to Cyril E. King Airport (STT) last-minute?
Booking your ticket from PHX to STT just before your getaway is usually more expensive. But if you're flexible with your schedule, you could snag a cheap last-minute fare.
Is it cheaper to book a PHX to STT flight and hotel package?
You can save money by securing a PHX to STT flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's easy to manage it all in one place. Once you've selected your ideal accommodations and flights, consider adding extras like activities, tours and car rentals.
Can I cancel or change the date of my flight from Sky Harbor Intl. Airport (PHX) to Cyril E. King Airport (STT)?
If you reserved your PHX to STT flight in the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the fare type you purchased, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal if you want more information.

Travel information

Origin airport
Sky Harbor Intl.
Destination airport
Cyril E. King
Airlines serving
American Airlines, Delta, JetBlue Airways, Southwest Airlines, Spirit Airlines, Sun Country Airlines, United
Roundtrip price
$382
Distance
3074 mi

Book with confidence

Phoenix to St. Thomas Flights

The cheapest times to fly from Phoenix to St. Thomas

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Phoenix to St. Thomas are during the month of March. You can find some of the cheapest flights from Phoenix to St. Thomas with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Phoenix to St. Thomas

Sunday is one of the best days to book for cheap flights from Phoenix to St. Thomas: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Phoenix to St. Thomas

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Phoenix to St. Thomas in 2025. You can also book with separate airlines for your outbound and return journeys, from $190 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Phoenix to St. Thomas flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Phoenix to St. Thomas airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Phoenix to St. Thomas Flights

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*Available to One Key members.