$1,257 Cheap Flights from Guam (GUM) to Portland (PDX)

View $1,257 flight on Sat, Dec 6, 2025Opens in a new window

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

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Cheap Flights from Guam to Portland (GUM-PDX)

Prices were available within the past 7 days and start at $1,257 for one-way flights and $1,378 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Mon, Oct 6 - Mon, Oct 13
GUM
Guam
PDX
Portland
$1,378 Roundtrip, found 12 hours ago
$1,378
Roundtrip
found 12 hours ago
Select United flight, departing Mon, Oct 6 from Guam to Portland, returning Mon, Oct 13, priced at $1,378 found 12 hours ago
United
Mon, Oct 6 - Mon, Oct 13
GUM
Guam
PDX
Portland
$1,381 Roundtrip, found 12 hours ago
$1,381
Roundtrip
found 12 hours ago
Select United flight, departing Mon, Oct 6 from Guam to Portland, returning Mon, Oct 13, priced at $1,381 found 12 hours ago
United
Sun, Mar 1 - Tue, Mar 31
GUM
Guam
PDX
Portland
$1,381 Roundtrip, found 2 days ago
$1,381
Roundtrip
found 2 days ago
Select United flight, departing Sun, Mar 1 from Guam to Portland, returning Tue, Mar 31, priced at $1,381 found 2 days ago
United
Mon, Oct 6 - Mon, Oct 13
GUM
Guam
PDX
Portland
$1,384 Roundtrip, found 12 hours ago
$1,384
Roundtrip
found 12 hours ago
Select United flight, departing Mon, Oct 6 from Guam to Portland, returning Mon, Oct 13, priced at $1,384 found 12 hours ago
United
Mon, Oct 6 - Mon, Oct 13
GUM
Guam
PDX
Portland
$1,386 Roundtrip, found 12 hours ago
$1,386
Roundtrip
found 12 hours ago
Select United flight, departing Mon, Oct 6 from Guam to Portland, returning Mon, Oct 13, priced at $1,386 found 12 hours ago
United
Wed, Sep 17 - Wed, Sep 24
GUM
Guam
PDX
Portland
$1,386 Roundtrip, found 5 days ago
$1,386
Roundtrip
found 5 days ago
Select United flight, departing Wed, Sep 17 from Guam to Portland, returning Wed, Sep 24, priced at $1,386 found 5 days ago
United
Mon, Oct 6 - Mon, Oct 13
GUM
Guam
PDX
Portland
$1,389 Roundtrip, found 12 hours ago
$1,389
Roundtrip
found 12 hours ago
Select United flight, departing Mon, Oct 6 from Guam to Portland, returning Mon, Oct 13, priced at $1,389 found 12 hours ago
United
Wed, Nov 19 - Thu, Dec 4
GUM
Guam
PDX
Portland
$1,391 Roundtrip, found 1 day ago
$1,391
Roundtrip
found 1 day ago
Select United flight, departing Wed, Nov 19 from Guam to Portland, returning Thu, Dec 4, priced at $1,391 found 1 day ago
United
Mon, Oct 6 - Mon, Oct 13
GUM
Guam
PDX
Portland
$1,392 Roundtrip, found 12 hours ago
$1,392
Roundtrip
found 12 hours ago
Select United flight, departing Mon, Oct 6 from Guam to Portland, returning Mon, Oct 13, priced at $1,392 found 12 hours ago
Delta
Tue, Nov 18 - Mon, Dec 1
GUM
Guam
PDX
Portland
$1,392 Roundtrip, found 1 day ago
$1,392
Roundtrip
found 1 day ago
Select Delta flight, departing Tue, Nov 18 from Guam to Portland, returning Mon, Dec 1, priced at $1,392 found 1 day ago

Find the cheapest month to fly from Barrigada (GUM) to Portland (PDX)

October is typically the cheapest month to fly

From $1,357 - $1,958 per traveler.

Graph displaying average flight prices per month

Flights from Guam (GUM) to Portland (PDX)
Origin airport
A.B. Won Pat Intl.
Destination airport
Portland Intl.
Airlines serving
Delta, United
Roundtrip price
$1,377
Distance
5679 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 October. 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 $1,257 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. Airport (PDX) cost?
Discover the latest flight deals from GUM to PDX 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 GUM to PDX?
The cheapest flights from GUM to PDX 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 GUM to PDX?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from GUM to PDX. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from A.B. Won Pat Intl. Airport (GUM) to Portland Intl. Airport (PDX)?
Nonstop flights from A.B. Won Pat Intl. Airport (GUM) to Portland Intl. Airport (PDX) aren't available daily, so you'll have to take a flight with a layover. Explore your options with our filter tool. Enter your dates and click on either "1 Stop" or "2+ Stops."
What day of the week has the most flights from GUM to PDX?
Generally you'll find the largest variety of flight choices on a Friday. Tuesdays are often the quietest.* However, this can change based on the season, airline and other factors.*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. Airport (PDX)?
Choose a flight from A.B. Won Pat Intl. Airport (GUM) to Portland Intl. Airport (PDX) 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 Portland Intl. Airport (PDX) last-minute?
Booking your flight from GUM to PDX shortly before your trip is typically more expensive. However, if you're flexible with your travel times and dates, you could grab a cheap last-minute fare.
Is it cheaper to book a GUM to PDX flight and hotel package?
Booking a GUM to PDX flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your travels all in one place. Select from our extensive range of accommodations and then add flights, car rentals and activities 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 Portland Intl. Airport (PDX)?
In most instances, you can cancel or modify your GUM to PDX flight. However, there may be additional charges, especially if you made your booking more than 24 hours ago. Double-check your itinerary for the airline's fees and rules on flight changes, or if you'd like more information, go to our Customer Service portal.

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*Available to One Key members.