$1,905 Cheap Flights from Guam (GUM) to St. Thomas (STT)

View $1,905 flight on Fri, Dec 19, 2025Opens in a new window

Popular airlines from Barrigada - A.B. Won Pat International Airport (GUM) to Cyril E. King Airport (STT)

Cheap Flights from Guam to St. Thomas (GUM-STT)

Prices were available within the past 7 days and start at $1,905 for one-way flights and $1,538 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Tue, Dec 16 - Mon, Dec 22
GUM
Guam
STT
St. Thomas
$1,538 Roundtrip, found 4 hours ago
$1,538
Roundtrip
found 4 hours ago
Select United flight, departing Tue, Dec 16 from Guam to St. Thomas, returning Mon, Dec 22, priced at $1,538 found 4 hours ago
United
Tue, Dec 16 - Sun, Dec 21
GUM
Guam
STT
St. Thomas
$1,583 Roundtrip, found 4 hours ago
$1,583
Roundtrip
found 4 hours ago
Select United flight, departing Tue, Dec 16 from Guam to St. Thomas, returning Sun, Dec 21, priced at $1,583 found 4 hours ago
United
Tue, Dec 16 - Tue, Dec 23
GUM
Guam
STT
St. Thomas
$1,826 Roundtrip, found 4 hours ago
$1,826
Roundtrip
found 4 hours ago
Select United flight, departing Tue, Dec 16 from Guam to St. Thomas, returning Tue, Dec 23, priced at $1,826 found 4 hours ago
United
Tue, Dec 16 - Fri, Dec 26
GUM
Guam
STT
St. Thomas
$1,921 Roundtrip, found 4 hours ago
$1,921
Roundtrip
found 4 hours ago
Select United flight, departing Tue, Dec 16 from Guam to St. Thomas, returning Fri, Dec 26, priced at $1,921 found 4 hours ago
United
Sun, Dec 21 - Fri, Dec 26
GUM
Guam
STT
St. Thomas
$1,971 Roundtrip, found 4 hours ago
$1,971
Roundtrip
found 4 hours ago
Select United flight, departing Sun, Dec 21 from Guam to St. Thomas, returning Fri, Dec 26, priced at $1,971 found 4 hours ago
United
Tue, Dec 16 - Thu, Dec 25
GUM
Guam
STT
St. Thomas
$2,091 Roundtrip, found 4 hours ago
$2,091
Roundtrip
found 4 hours ago
Select United flight, departing Tue, Dec 16 from Guam to St. Thomas, returning Thu, Dec 25, priced at $2,091 found 4 hours ago
United
Wed, Dec 17 - Mon, Dec 22
GUM
Guam
STT
St. Thomas
$2,113 Roundtrip, found 4 hours ago
$2,113
Roundtrip
found 4 hours ago
Select United flight, departing Wed, Dec 17 from Guam to St. Thomas, returning Mon, Dec 22, priced at $2,113 found 4 hours ago
United
Wed, Dec 17 - Sun, Dec 21
GUM
Guam
STT
St. Thomas
$2,158 Roundtrip, found 4 hours ago
$2,158
Roundtrip
found 4 hours ago
Select United flight, departing Wed, Dec 17 from Guam to St. Thomas, returning Sun, Dec 21, priced at $2,158 found 4 hours ago
United
Fri, Dec 19 - Tue, Dec 23
GUM
Guam
STT
St. Thomas
$2,205 Roundtrip, found 4 hours ago
$2,205
Roundtrip
found 4 hours ago
Select United flight, departing Fri, Dec 19 from Guam to St. Thomas, returning Tue, Dec 23, priced at $2,205 found 4 hours ago
United
Wed, Dec 17 - Fri, Dec 26
GUM
Guam
STT
St. Thomas
$2,208 Roundtrip, found 4 hours ago
$2,208
Roundtrip
found 4 hours ago
Select United flight, departing Wed, Dec 17 from Guam to St. Thomas, returning Fri, Dec 26, priced at $2,208 found 4 hours ago
United
Sun, Dec 21 - Wed, Dec 24
GUM
Guam
STT
St. Thomas
$2,258 Roundtrip, found 4 hours ago
$2,258
Roundtrip
found 4 hours ago
Select United flight, departing Sun, Dec 21 from Guam to St. Thomas, returning Wed, Dec 24, priced at $2,258 found 4 hours ago
Delta
Sun, Dec 21 - Mon, Dec 22
GUM
Guam
STT
St. Thomas
$3,049 Roundtrip, found 4 hours ago
$3,049
Roundtrip
found 4 hours ago
Select Delta flight, departing Sun, Dec 21 from Guam to St. Thomas, returning Mon, Dec 22, priced at $3,049 found 4 hours ago

Frequently asked questions

How much does a flight from A.B. Won Pat Intl. Airport (GUM) to Cyril E. King Airport (STT) cost?
Secure a cheap one-way flight from $1,905 or cheap return flight from $1,538 from A.B. Won Pat Intl. Airport (GUM) to Cyril E. King Airport (STT) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from A.B. Won Pat Intl. Airport (GUM) to Cyril E. King Airport (STT)?
The cheapest month to fly from GUM to STT is December, when demand is low. Off-peak season is often when you'll find lower airfares between these airports.
What is the cheapest airline that flies from A.B. Won Pat Intl. Airport (GUM) to Cyril E. King Airport (STT)?
Expedia's filter tool lets you easily compare different airlines, travel time and fares all in one place. Select your preferences, then sort by "Price (lowest to highest)" to find the carrier with the cheapest GUM to STT flight.
How many flights per day from A.B. Won Pat Intl. Airport (GUM) to Cyril E. King Airport (STT)?
There aren't any daily nonstop flights from A.B. Won Pat Intl. Airport (GUM) to Cyril E. King Airport (STT). But you can choose flights with layovers. Filter your search on Expedia to include one or more stops, and you'll be cruising above the clouds in no time at all.
What day of the week has the most flights from GUM to STT?
Friday is usually the busiest day for flights, while Tuesday is often the quietest.* Keep in mind that flight schedules can change based on a number of factors, including the season and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from A.B. Won Pat Intl. Airport (GUM) to Cyril E. King Airport (STT)?
To avoid potential delays on the A.B. Won Pat Intl. Airport (GUM) to Cyril E. King Airport (STT) route, aim to travel before 3 PM. Departures after this time have a 22% higher chance of cancellation.**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 A.B. Won Pat Intl. Airport (GUM) to Cyril E. King Airport (STT) last-minute?
Booking your flight from GUM to STT right before your journey is usually more expensive. However, if there's some wiggle room with your departure times and dates, you could grab a cheap last-minute fare.
Is it cheaper to book a GUM to STT flight and hotel package?
Compared with arranging hotels and flights separately, booking a GUM to STT flight and hotel package with Expedia could lead to significant savings. Better still, having it all in one place takes the hassle out of planning your trip. Simply pick your flights and choose from our wide range of hotels, then customize your trip with extras like car rentals and activities.
Can I cancel or change the date of my flight from A.B. Won Pat Intl. Airport (GUM) to Cyril E. King Airport (STT)?
Typically, you can cancel or reschedule your GUM to STT flight. However, there may be additional charges, especially if you made your booking more than 24 hours ago. Double-check your itinerary for the airline's rules and fees on flight changes, or if you want more information, visit our Customer Service portal.

Travel information

Travel information

Origin airport
A.B. Won Pat Intl.
Destination airport
Cyril E. King
Roundtrip price
$1,537
Distance
9444 mi

Book with confidence

Book with confidence

Guam to St. Thomas Flights

The cheapest times to fly from Guam 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 Guam to St. Thomas are during the month of December. You can find some of the cheapest flights from Guam to St. Thomas with Expedia's search tool and vast selection of airlines.

 

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

Sunday is one of the best days to book for cheap flights from Guam 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 Guam 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 Guam to St. Thomas in 2025. You can also book with separate airlines for your outbound and return journeys, from $1,905 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 Guam 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 Guam 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.

 

Guam to St. Thomas Flights

Explore a world of travel with Expedia

Explore a world of travel with Expedia

*Available to One Key members.