$1,467 Cheap Flights from Guam (GUM) to Greenville (GSP)

View $1,467 flight on Sun, Oct 19, 2025Opens in a new window

Popular airlines from Barrigada - A.B. Won Pat International Airport (GUM) to Greenville-Spartanburg Intl. Airport (GSP)

Cheap Flights from Guam to Greenville (GUM-GSP)

Prices were available within the past 7 days and start at $1,467 for one-way flights and $1,681 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Tue, Sep 16 - Tue, Sep 23
GUM
Guam
GSP
Greenville
$1,681 Roundtrip, found 6 days ago
$1,681
Roundtrip
found 6 days ago
Select United flight, departing Tue, Sep 16 from Guam to Greenville, returning Tue, Sep 23, priced at $1,681 found 6 days ago
United
Tue, Sep 16 - Tue, Sep 23
GUM
Guam
GSP
Greenville
$1,684 Roundtrip, found 6 days ago
$1,684
Roundtrip
found 6 days ago
Select United flight, departing Tue, Sep 16 from Guam to Greenville, returning Tue, Sep 23, priced at $1,684 found 6 days ago
United
Tue, Sep 16 - Tue, Sep 23
GUM
Guam
GSP
Greenville
$1,688 Roundtrip, found 6 days ago
$1,688
Roundtrip
found 6 days ago
Select United flight, departing Tue, Sep 16 from Guam to Greenville, returning Tue, Sep 23, priced at $1,688 found 6 days ago
United
Tue, Sep 16 - Tue, Sep 23
GUM
Guam
GSP
Greenville
$1,689 Roundtrip, found 6 days ago
$1,689
Roundtrip
found 6 days ago
Select United flight, departing Tue, Sep 16 from Guam to Greenville, returning Tue, Sep 23, priced at $1,689 found 6 days ago
United
Tue, Sep 16 - Tue, Sep 23
GUM
Guam
GSP
Greenville
$1,692 Roundtrip, found 6 days ago
$1,692
Roundtrip
found 6 days ago
Select United flight, departing Tue, Sep 16 from Guam to Greenville, returning Tue, Sep 23, priced at $1,692 found 6 days ago
Delta
Tue, Sep 16 - Tue, Sep 23
GUM
Guam
GSP
Greenville
$1,693 Roundtrip, found 6 days ago
$1,693
Roundtrip
found 6 days ago
Select Delta flight, departing Tue, Sep 16 from Guam to Greenville, returning Tue, Sep 23, priced at $1,693 found 6 days ago
United
Tue, Sep 16 - Tue, Sep 23
GUM
Guam
GSP
Greenville
$1,697 Roundtrip, found 6 days ago
$1,697
Roundtrip
found 6 days ago
Select United flight, departing Tue, Sep 16 from Guam to Greenville, returning Tue, Sep 23, priced at $1,697 found 6 days ago
United
Tue, Sep 16 - Tue, Sep 23
GUM
Guam
GSP
Greenville
$1,698 Roundtrip, found 6 days ago
$1,698
Roundtrip
found 6 days ago
Select United flight, departing Tue, Sep 16 from Guam to Greenville, returning Tue, Sep 23, priced at $1,698 found 6 days ago
Delta
Tue, Sep 16 - Tue, Sep 23
GUM
Guam
GSP
Greenville
$1,698 Roundtrip, found 6 days ago
$1,698
Roundtrip
found 6 days ago
Select Delta flight, departing Tue, Sep 16 from Guam to Greenville, returning Tue, Sep 23, priced at $1,698 found 6 days ago
Delta
Tue, Sep 16 - Tue, Sep 23
GUM
Guam
GSP
Greenville
$1,699 Roundtrip, found 6 days ago
$1,699
Roundtrip
found 6 days ago
Select Delta flight, departing Tue, Sep 16 from Guam to Greenville, returning Tue, Sep 23, priced at $1,699 found 6 days ago
Flights from Guam (GUM) to Greenville (GSP)
Origin airport
A.B. Won Pat Intl.
Destination airport
Greenville-Spartanburg Intl.
Roundtrip price
$1,680
Distance
7891 mi

Guam to Greenville Flights

The cheapest times to fly from Guam to Greenville

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 Greenville are during the month of September. You can find some of the cheapest flights from Guam to Greenville with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Guam to Greenville

Sunday is one of the best days to book for cheap flights from Guam to Greenville: 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 Greenville

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 Greenville in 2025. You can also book with separate airlines for your outbound and return journeys, from $1,467 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 Greenville 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 Greenville 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.

 

Frequently asked questions

How much does a flight from A.B. Won Pat Intl. Airport (GUM) to Greenville-Spartanburg Intl. Airport (GSP) cost?
Lock in a cheap one-way flight from $1,467 or cheap return flight from $1,681 from A.B. Won Pat Intl. Airport (GUM) to Greenville-Spartanburg Intl. Airport (GSP) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from A.B. Won Pat Intl. Airport (GUM) to Greenville-Spartanburg Intl. Airport (GSP)?
The cheapest month to fly from GUM to GSP is September, when demand is low. Off-peak months are usually when you'll find cheap fares for travel between these airports.
What is the cheapest airline that flies from A.B. Won Pat Intl. Airport (GUM) to Greenville-Spartanburg Intl. Airport (GSP)?
Expedia's filter tool lets you easily compare different airlines, travel time and fares all in one place. Choose your preferences, then sort by "Price (lowest to highest)" to find the carrier with the cheapest GUM to GSP flight.
How many flights per day from A.B. Won Pat Intl. Airport (GUM) to Greenville-Spartanburg Intl. Airport (GSP)?
There aren't any daily direct flights departing from A.B. Won Pat Intl. Airport (GUM) to Greenville-Spartanburg Intl. Airport (GSP). But you can opt for flights with layovers. Filter your search results on Expedia to include one or two stops, and you'll be on your way in no time at all.
What day of the week has the most flights from GUM to GSP?
Friday is typically the busiest day for flights, while Tuesday tends to be the quietest.* Just remember that flight schedules can vary depending on various factors, such as the carrier and season.*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 Greenville-Spartanburg Intl. Airport (GSP)?
To arrive at Greenville-Spartanburg Intl. Airport (GSP) on schedule, opt for a flight that takes off from A.B. Won Pat Intl. Airport (GUM) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this time.**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 Greenville-Spartanburg Intl. Airport (GSP) last-minute?
Last-minute fares from GUM to GSP are generally more expensive. To lock in the lowest prices, start looking for flights well ahead of time. That said, if you're flexible with your travel dates, it's possible to land a cheap fare right before your trip.
Is it cheaper to book a GUM to GSP flight and hotel package?
Booking a GUM to GSP flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your travels in one place. Select from our extensive range of hotels and then add flights, activities and car rentals to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from A.B. Won Pat Intl. Airport (GUM) to Greenville-Spartanburg Intl. Airport (GSP)?
Usually, it's possible to cancel or reschedule your GUM to GSP flight. However, if the booking was made more than 24 hours ago, additional charges may apply. Check your airline's policies in your itinerary to see what changes are possible and if any costs are involved. You'll also find more information on our Customer Service portal.

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*Available to One Key members.