$198 Cheap Flights from Phoenix (PHX) to St. Thomas (STT)

You can find cheap one-way flights from $198 and cheap return flights $400 Phoenix, AZ (PHX-Sky Harbor Intl.) to St. Thomas (STT-Cyril E. King) with Expedia. One-way flights usually range from $270 to $1434, and return flights typically cost between $635 and $3615. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Phoenix, AZ (PHX-Sky Harbor Intl.) to St. Thomas (STT-Cyril E. King) ticket fares go up or down.

*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.

January is the cheapest month to fly from Phoenix, AZ (PHX) to St. Thomas (STT), with average round-trip fares around $604. This fare is about 14% lower than the average price throughout the year, as January often sees a dip in travel demand after the holiday season. Other economical months to consider are February and August.

*Averages based on flights available on Expedia in the last year.

Enter PHX to STT and your travel dates, then apply the 'Nonstop' filter to see only direct flights.

Sun Country Airlines is one of the cheapest airlines offering connecting flights from Phoenix (PHX) to St. Thomas (STT), with round-trip tickets starting from around $759. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.

*Prices based on flights available on Expedia in the last year.

To find a cheap flight from Phoenix, AZ (PHX-Sky Harbor Intl.) to St. Thomas (STT-Cyril E. King), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.

For flights from Phoenix, AZ (PHX) to St. Thomas (STT), January and February are the best months to travel. January offers an average return flight price of about $604, making it a great time to enjoy the beautiful Caribbean weather at a reasonable cost.

*Prices based on flights available on Expedia in the last year.

The earliest flight from Phoenix, AZ (PHX-Sky Harbor Intl.) to St. Thomas (STT-Cyril E. King) typically departs at around 12:15 AM, operated by American Airlines. This is a seasonal service active in February, giving you a chance to start your vacation early. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.

The most popular departure times for flights from Phoenix, AZ (PHX) to St. Thomas (STT) are in the late evening, from 9pm to midnight. About 55% of passengers prefer this time window. Many major carriers, including American Airlines, Delta and United Airlines, offer flights during this window. This timing is popular because it allows you to enjoy a full day in Phoenix before your flight.

A flight from PHX to STT with a layover takes around 11 hours, with the route covering approximately 3,075 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.

Business class seats are offered on the PHX to STT route with JetBlue Airways.

First class is available with Delta Air Lines and United Airlines.

It's easy to earn miles on a Phoenix, AZ (PHX-Sky Harbor Intl.) to St. Thomas (STT-Cyril E. King) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.

*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.

If you're planning to travel to St. Thomas from Sky Harbor Intl. (PHX), you can fly into Cyril E. King (STT) Some flights may connect through major hubs like San Francisco Intl. (SFO), Denver Intl. (DEN), Los Angeles Intl. (LAX) before reaching St. Thomas. Compare routes and airports on Expedia to find the best flight options for your travel plans.

Typically, booking a last minute flight from Phoenix, AZ (PHX-Sky Harbor Intl.) to St. Thomas (STT-Cyril E. King) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.

Securing a Phoenix, AZ (PHX-Sky Harbor Intl.) to St. Thomas (STT-Cyril E. King) St Thomas Vacation Packages is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.

If you booked your Phoenix, AZ (PHX-Sky Harbor Intl.) to St. Thomas (STT-Cyril E. King) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.