$412 Cheap Flights from Guam (GUM) to Singapore (SIN)

View $412 flight on Mon, Nov 10, 2025Opens in a new window

Popular airlines from Barrigada - A.B. Won Pat International Airport (GUM) to Singapore Changi Airport (SIN)

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Cheap Flights from Guam to Singapore (GUM-SIN)

Prices were available within the past 7 days and start at $412 for one-way flights and $679 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Philippine Airlines
Mon, Jan 26 - Tue, Feb 10
GUM
Guam
SIN
Singapore
$679 Roundtrip, just found
$679
Roundtrip
just found
Select Philippine Airlines flight, departing Mon, Jan 26 from Guam to Singapore, returning Tue, Feb 10, priced at $679 just found
Philippine Airlines
Sat, Jan 31 - Tue, Feb 10
GUM
Guam
SIN
Singapore
$689 Roundtrip, just found
$689
Roundtrip
just found
Select Philippine Airlines flight, departing Sat, Jan 31 from Guam to Singapore, returning Tue, Feb 10, priced at $689 just found
Philippine Airlines
Wed, Feb 18 - Fri, Feb 27
GUM
Guam
SIN
Singapore
$691 Roundtrip, found 1 day ago
$691
Roundtrip
found 1 day ago
Select Philippine Airlines flight, departing Wed, Feb 18 from Guam to Singapore, returning Fri, Feb 27, priced at $691 found 1 day ago
Philippine Airlines
Thu, Jan 15 - Mon, Jan 19
GUM
Guam
SIN
Singapore
$692 Roundtrip, found 16 hours ago
$692
Roundtrip
found 16 hours ago
Select Philippine Airlines flight, departing Thu, Jan 15 from Guam to Singapore, returning Mon, Jan 19, priced at $692 found 16 hours ago
Philippine Airlines
Mon, Sep 14 - Thu, Sep 24
GUM
Guam
SIN
Singapore
$694 Roundtrip, found 4 days ago
$694
Roundtrip
found 4 days ago
Select Philippine Airlines flight, departing Mon, Sep 14 from Guam to Singapore, returning Thu, Sep 24, priced at $694 found 4 days ago
Philippine Airlines
Fri, Jan 30 - Tue, Feb 10
GUM
Guam
SIN
Singapore
$701 Roundtrip, just found
$701
Roundtrip
just found
Select Philippine Airlines flight, departing Fri, Jan 30 from Guam to Singapore, returning Tue, Feb 10, priced at $701 just found
Philippine Airlines
Thu, Feb 26 - Thu, Mar 5
GUM
Guam
SIN
Singapore
$702 Roundtrip, found 1 day ago
$702
Roundtrip
found 1 day ago
Select Philippine Airlines flight, departing Thu, Feb 26 from Guam to Singapore, returning Thu, Mar 5, priced at $702 found 1 day ago
Korean Air
Tue, Mar 10 - Sun, Mar 15
GUM
Guam
SIN
Singapore
$744 Roundtrip, found 2 hours ago
$744
Roundtrip
found 2 hours ago
Select Korean Air flight, departing Tue, Mar 10 from Guam to Singapore, returning Sun, Mar 15, priced at $744 found 2 hours ago
United
Mon, Apr 20 - Mon, Apr 27
GUM
Guam
SIN
Singapore
$1,213 Roundtrip, found 1 day ago
$1,213
Roundtrip
found 1 day ago
Select United flight, departing Mon, Apr 20 from Guam to Singapore, returning Mon, Apr 27, priced at $1,213 found 1 day ago
Malaysia Airlines
Wed, Jun 17 - Wed, Jun 24
GUM
Guam
SIN
Singapore
$1,435 Roundtrip, found 5 hours ago
$1,435
Roundtrip
found 5 hours ago
Select Malaysia Airlines flight, departing Wed, Jun 17 from Guam to Singapore, returning Wed, Jun 24, priced at $1,435 found 5 hours ago

Find the cheapest month to fly from Barrigada (GUM) to Singapore (SIN)

August is typically the cheapest month to fly

From $532 - $824 per traveler.

Alternative airports near Singapore

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

Select flight to Changi SIN. Cheapest option available. Average driving time to city center is 18 minutes. Flights from $679
SIN
Changi
Cheapest
Average driving time to city center18 min
Flights from $679

Frequently asked questions

How much does a flight from A.B. Won Pat Intl. Airport (GUM) to Changi Airport (SIN) cost?
Grab a cheap one-way flight from $412 or cheap return flight from $679 from A.B. Won Pat Intl. Airport (GUM) to Changi Airport (SIN) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from A.B. Won Pat Intl. Airport (GUM) to Changi Airport (SIN)?
The cheapest month to fly from GUM to SIN is January, when there's less demand. 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 Changi Airport (SIN)?
To find the cheapest airline flying from GUM to SIN, use Expedia's filter tool. Tailor your search based on your travel style, such as preferred carriers and ideal departure window. You can then sort your results by "Price (lowest to highest)" to see the most affordable options first.
How many flights per day from A.B. Won Pat Intl. Airport (GUM) to Changi Airport (SIN)?
You'll have to book a flight with a layover if you're traveling from A.B. Won Pat Intl. Airport (GUM) to Changi Airport (SIN). Direct flights don't operate daily on this route. However, just filter your search to include one or more stops to find the best option for your trip.
What day of the week has the most flights from GUM to SIN?
You'll usually find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can vary from season to season and during peak travel times or public holidays.*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 Changi Airport (SIN)?
To reach Changi Airport (SIN) on schedule, choose a flight that leaves from A.B. Won Pat Intl. Airport (GUM) before 3 PM. The chance 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 A.B. Won Pat Intl. Airport (GUM) to Changi Airport (SIN) last-minute?
Last-minute bookings from GUM to SIN are typically more expensive. To lock in the cheapest rates, start looking for flights well in advance. That being said, if you're flexible with your travel plans, you may score a cheap fare just before your departure.
Is it cheaper to book a GUM to SIN flight and hotel package?
You'll typically save money by securing a GUM to SIN 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. After selecting your preferred accommodations and flights, consider other add-ons like car rentals, activities and tours.
Can I cancel or change the date of my flight from A.B. Won Pat Intl. Airport (GUM) to Changi Airport (SIN)?
In most cases, you can cancel or modify your GUM to SIN flight. However, there may be additional charges, especially if your booking was made over 24 hours ago. Double-check your itinerary for the airline's rules and fees on flight changes, or if you want further information, visit our Customer Service portal.

Travel information

Origin airport
A.B. Won Pat Intl.
Destination airport
Changi
Airlines serving
Korean Air, Malaysia Airlines, Philippine Airlines, United
Roundtrip price
$679
Distance
2913 mi

Book with confidence

Guam to Singapore Flights

The cheapest times to fly from Guam to Singapore

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

 

The best time to book a flight from Guam to Singapore

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

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 Singapore in 2025. You can also book with separate airlines for your outbound and return journeys, from $412 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 Singapore 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 Singapore 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 Singapore Flights

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*Available to One Key members.