$1,547 Cheap Flights from Portland (PWM) to Guam (GUM)

View $1,547 flight on Wed, Jul 2, 2025Opens in a new window

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Find available prices by choosing your travel dates.

Cheap Flights from Portland to Guam (PWM-GUM)

Prices were available within the past 7 days and start at $1,547 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Flights from Portland (PWM) to Guam (GUM)
Origin airport
Portland Intl. Jetport
Destination airport
A.B. Won Pat Intl.
Distance
7910 mi

Portland to Guam Flights

The cheapest times to fly from Portland to Guam

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

 

The best time to book a flight from Portland to Guam

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

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 Portland to Guam in 2025. You can also book with separate airlines for your outbound and return journeys, from $1,547 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 Portland to Guam 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 Portland to Guam 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 Portland Intl. Jetport Airport (PWM) to A.B. Won Pat Intl. Airport (GUM) cost?
Discover the latest flight deals from PWM to GUM by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from PWM to GUM?
The cheapest flights from PWM to GUM are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from PWM to GUM?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that’ll take you from PWM to GUM. Sort your results by “Price (lowest to highest)” to snap up a great deal.
How many flights per day from Portland Intl. Jetport Airport (PWM) to A.B. Won Pat Intl. Airport (GUM)?
You’ll have to take a flight with a layover when traveling from Portland Intl. Jetport Airport (PWM) to A.B. Won Pat Intl. Airport (GUM). There are no daily direct flights on this route. However, just filter your search to include one or more stops to discover the best option for your trip.
What day of the week has the most flights from PWM to GUM?
Friday is generally the busiest day for flights, while Tuesday is often the quietest.* Remember that flight schedules can change based on a number of factors, such as the airline 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 Portland Intl. Jetport Airport (PWM) to A.B. Won Pat Intl. Airport (GUM)?
To land at A.B. Won Pat Intl. Airport (GUM) without delays, choose a flight that leaves Portland Intl. Jetport Airport (PWM) 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 Portland Intl. Jetport Airport (PWM) to A.B. Won Pat Intl. Airport (GUM) last-minute?
Last-minute bookings from PWM to GUM are usually more expensive. To lock in the best rates, start searching for flights as soon as possible. That said, if you’re flexible with your travel plans, it’s possible to score a cheap fare right before your trip.
Is it cheaper to book a PWM to GUM flight and hotel package?
Booking a PWM to GUM flight and hotel package is typically cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your travels in one place. Select from our impressive range of stays and then add flights, car rentals and activities to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Portland Intl. Jetport Airport (PWM) to A.B. Won Pat Intl. Airport (GUM)?
It’s usually possible to reschedule or cancel your PWM to GUM flight. However, if it’s been more than 24 hours since booking, additional fees may apply. Check your airline’s policies in your itinerary to see what changes are allowed 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.