$472 Cheap Flights from Guam (GUM) to Siargao (IAO)

View $472 flight on Mon, Dec 15, 2025Opens in a new window

Popular airlines from Barrigada - A.B. Won Pat International Airport (GUM) to Siargao (IAO-Sayak)

Cheap Flights from Guam to Siargao (GUM-IAO)

Prices were available within the past 7 days and start at $472 for one-way flights and $1,130 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Philippine Airlines
Sat, Dec 20 - Wed, Dec 24
GUM
Guam
IAO
Siargao Island
$1,130 Roundtrip, found 17 hours ago
$1,130
Roundtrip
found 17 hours ago
Select Philippine Airlines flight, departing Sat, Dec 20 from Guam to Siargao Island, returning Wed, Dec 24, priced at $1,130 found 17 hours ago
Flights from Guam (GUM) to Siargao (IAO)
Origin airport
A.B. Won Pat Intl.
Destination airport
Sayak
Airlines serving
Philippine Airlines
Roundtrip price
$1,130
Distance
1295 mi

Guam to Siargao Flights

The cheapest times to fly from Guam to Siargao

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

 

The best time to book a flight from Guam to Siargao

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

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 Siargao in 2025. You can also book with separate airlines for your outbound and return journeys, from $472 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 Siargao 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 Siargao 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 Sayak Airport (IAO) cost?
Snag a cheap one-way flight from $472 or cheap return flight from $1,130 from A.B. Won Pat Intl. Airport (GUM) to Sayak Airport (IAO) 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 Sayak Airport (IAO)?
December is the most affordable month to fly from GUM to IAO. Planning your trip for the off-season is often the key to finding a great deal.
What is the cheapest airline that flies from A.B. Won Pat Intl. Airport (GUM) to Sayak Airport (IAO)?
To find the cheapest airline flying from GUM to IAO, use Expedia's filter tool. Customize your search based on what matters most to you, such as preferred carriers and ideal departure window. You can then sort your results by "Price (lowest to highest)" to discover the cheapest flight right away.
How many flights per day from A.B. Won Pat Intl. Airport (GUM) to Sayak Airport (IAO)?
You'll have to book a flight with a layover if you're traveling from A.B. Won Pat Intl. Airport (GUM) to Sayak Airport (IAO). Direct flights don't operate daily on this route. However, just filter your search to include one or two stops to discover the best option for your trip.
What day of the week has the most flights from GUM to IAO?
Friday is generally the busiest day for flights, while Tuesday tends to be the quietest.* Remember that flight schedules can vary based on a number of factors, including the time of year and carrier.*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 Sayak Airport (IAO)?
Choose a flight from A.B. Won Pat Intl. Airport (GUM) to Sayak Airport (IAO) that leaves before 3 PM to reduce the likelihood of delays. Departures after this time are on average 22% more likely to be canceled.**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 Sayak Airport (IAO) last-minute?
Holding off until just before your trip to book a flight from GUM to IAO often results in higher prices. Although you may find some last-minute discounts, there's no guarantee. Keep your travel plans flexible to maximize your chances of getting a bargain.
Can I cancel or change the date of my flight from A.B. Won Pat Intl. Airport (GUM) to Sayak Airport (IAO)?
If you booked your GUM to IAO flight in the last 24 hours, you may be able to cancel or modify it at no cost. Depending on the airline and the type of ticket you purchased, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal for further details.

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*Available to One Key members.