$1,467 Cheap Flights from Guam (GUM) to Portland (PWM)

View $1,467 flight on Tue, Nov 4, 2025Opens in a new window

Popular airlines from Barrigada - A.B. Won Pat International Airport (GUM) to Portland Intl. Jetport Airport (PWM)

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Cheap Flights from Guam to Portland (GUM-PWM)

Prices were available within the past 7 days and start at $1,467 for one-way flights and $1,381 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Wed, Nov 5 - Mon, Nov 24
GUM
Guam
PWM
Portland
$1,381 Roundtrip, found 5 days ago
$1,381
Roundtrip
found 5 days ago
Select United flight, departing Wed, Nov 5 from Guam to Portland, returning Mon, Nov 24, priced at $1,381 found 5 days ago
United
Tue, Nov 11 - Sun, Nov 23
GUM
Guam
PWM
Portland
$1,384 Roundtrip, found 5 days ago
$1,384
Roundtrip
found 5 days ago
Select United flight, departing Tue, Nov 11 from Guam to Portland, returning Sun, Nov 23, priced at $1,384 found 5 days ago
United
Tue, Nov 4 - Tue, Nov 11
GUM
Guam
PWM
Portland
$1,387 Roundtrip, found 5 days ago
$1,387
Roundtrip
found 5 days ago
Select United flight, departing Tue, Nov 4 from Guam to Portland, returning Tue, Nov 11, priced at $1,387 found 5 days ago
United
Tue, Nov 4 - Tue, Nov 11
GUM
Guam
PWM
Portland
$1,388 Roundtrip, found 5 days ago
$1,388
Roundtrip
found 5 days ago
Select United flight, departing Tue, Nov 4 from Guam to Portland, returning Tue, Nov 11, priced at $1,388 found 5 days ago
United
Tue, Oct 21 - Tue, Oct 28
GUM
Guam
PWM
Portland
$1,390 Roundtrip, found 5 days ago
$1,390
Roundtrip
found 5 days ago
Select United flight, departing Tue, Oct 21 from Guam to Portland, returning Tue, Oct 28, priced at $1,390 found 5 days ago
United
Mon, Nov 3 - Sun, Nov 23
GUM
Guam
PWM
Portland
$1,392 Roundtrip, found 5 days ago
$1,392
Roundtrip
found 5 days ago
Select United flight, departing Mon, Nov 3 from Guam to Portland, returning Sun, Nov 23, priced at $1,392 found 5 days ago
United
Tue, Oct 21 - Tue, Oct 28
GUM
Guam
PWM
Portland
$1,396 Roundtrip, found 5 days ago
$1,396
Roundtrip
found 5 days ago
Select United flight, departing Tue, Oct 21 from Guam to Portland, returning Tue, Oct 28, priced at $1,396 found 5 days ago
United
Tue, Oct 21 - Tue, Oct 28
GUM
Guam
PWM
Portland
$1,397 Roundtrip, found 5 days ago
$1,397
Roundtrip
found 5 days ago
Select United flight, departing Tue, Oct 21 from Guam to Portland, returning Tue, Oct 28, priced at $1,397 found 5 days ago
United
Tue, Oct 21 - Tue, Oct 28
GUM
Guam
PWM
Portland
$1,399 Roundtrip, found 5 days ago
$1,399
Roundtrip
found 5 days ago
Select United flight, departing Tue, Oct 21 from Guam to Portland, returning Tue, Oct 28, priced at $1,399 found 5 days ago
Delta
Tue, Nov 4 - Tue, Nov 11
GUM
Guam
PWM
Portland
$1,601 Roundtrip, found 5 days ago
$1,601
Roundtrip
found 5 days ago
Select Delta flight, departing Tue, Nov 4 from Guam to Portland, returning Tue, Nov 11, priced at $1,601 found 5 days ago
Flights from Guam (GUM) to Portland (PWM)
Origin airport
A.B. Won Pat Intl.
Destination airport
Portland Intl. Jetport
Roundtrip price
$1,380
Distance
7910 mi

Guam to Portland Flights

The cheapest times to fly from Guam to Portland

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

 

The best time to book a flight from Guam to Portland

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

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 Portland 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 Portland 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 Portland 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 Portland Intl. Jetport Airport (PWM) cost?
Grab a cheap one-way flight from $1,467 or cheap return flight from $1,381 from A.B. Won Pat Intl. Airport (GUM) to Portland Intl. Jetport Airport (PWM) 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 Portland Intl. Jetport Airport (PWM)?
Traveling in November is a great way to save, as it's the cheapest month for flights between GUM and PWM. You'll usually find the lowest prices during the off-season.
What is the cheapest airline that flies from A.B. Won Pat Intl. Airport (GUM) to Portland Intl. Jetport Airport (PWM)?
Expedia's filter tool lets you easily compare different airlines, departure times and fares all in one place. Tailor the search to your trip, then sort by "Price (lowest to highest)" to see which carrier offers the cheapest GUM to PWM flight.
How many flights per day from A.B. Won Pat Intl. Airport (GUM) to Portland Intl. Jetport Airport (PWM)?
You'll have to hop on a flight with a layover if you're traveling from A.B. Won Pat Intl. Airport (GUM) to Portland Intl. Jetport Airport (PWM). There are no daily direct flights on this route. However, simply filter your search to include one or two stops to discover an option that works for you.
What day of the week has the most flights from GUM to PWM?
Friday is usually the busiest day for flights, while Tuesday tends to be the quietest.* Remember that flight schedules can change depending on a range of factors, such as 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 Portland Intl. Jetport Airport (PWM)?
Opt for a flight from A.B. Won Pat Intl. Airport (GUM) to Portland Intl. Jetport Airport (PWM) that leaves before 3 PM to reduce the risk of delays and cancellations. Departures later than this 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 Portland Intl. Jetport Airport (PWM) last-minute?
Holding off until just before your departure to book a ticket from GUM to PWM often results in higher prices. While you may come across some last-minute offers, there's no guarantee. Be flexible with your travel plans for a better chance of getting a bargain.
Is it cheaper to book a GUM to PWM flight and hotel package?
You can save money by booking a GUM to PWM flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's simple to manage everything in one place. Once you've chosen your ideal accommodations and flights, you can add extras such as activities, car rentals and tours.
Can I cancel or change the date of my flight from A.B. Won Pat Intl. Airport (GUM) to Portland Intl. Jetport Airport (PWM)?
Typically, you're able to cancel or reschedule your GUM to PWM 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 policies and fees on flight changes, or if you'd like more information, visit our Customer Service portal.

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*Available to One Key members.