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

View $1,257 flight on Fri, Mar 20, 2026Opens in a new window

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

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 $1,477 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Thu, May 28 - Tue, Jun 9
GUM
Guam
PDX
Portland
$1,477 Roundtrip, found 6 days ago
$1,477
Roundtrip
found 6 days ago
Select United flight, departing Thu, May 28 from Guam to Portland, returning Tue, Jun 9, priced at $1,477 found 6 days ago
United
Wed, Dec 10 - Sun, Jan 11
GUM
Guam
PDX
Portland
$1,481 Roundtrip, found 2 days ago
$1,481
Roundtrip
found 2 days ago
Select United flight, departing Wed, Dec 10 from Guam to Portland, returning Sun, Jan 11, priced at $1,481 found 2 days ago
United
Thu, May 28 - Tue, Jun 9
GUM
Guam
PDX
Portland
$1,484 Roundtrip, found 6 days ago
$1,484
Roundtrip
found 6 days ago
Select United flight, departing Thu, May 28 from Guam to Portland, returning Tue, Jun 9, priced at $1,484 found 6 days ago
United
Wed, Dec 10 - Sun, Jan 11
GUM
Guam
PDX
Portland
$1,489 Roundtrip, found 2 days ago
$1,489
Roundtrip
found 2 days ago
Select United flight, departing Wed, Dec 10 from Guam to Portland, returning Sun, Jan 11, priced at $1,489 found 2 days ago
United
Wed, Dec 10 - Sun, Jan 11
GUM
Guam
PDX
Portland
$1,492 Roundtrip, found 2 days ago
$1,492
Roundtrip
found 2 days ago
Select United flight, departing Wed, Dec 10 from Guam to Portland, returning Sun, Jan 11, priced at $1,492 found 2 days ago
United
Wed, Dec 10 - Sun, Jan 11
GUM
Guam
PDX
Portland
$1,492 Roundtrip, found 2 days ago
$1,492
Roundtrip
found 2 days ago
Select United flight, departing Wed, Dec 10 from Guam to Portland, returning Sun, Jan 11, priced at $1,492 found 2 days ago
United
Wed, Dec 10 - Sun, Jan 11
GUM
Guam
PDX
Portland
$1,496 Roundtrip, found 2 days ago
$1,496
Roundtrip
found 2 days ago
Select United flight, departing Wed, Dec 10 from Guam to Portland, returning Sun, Jan 11, priced at $1,496 found 2 days ago
United
Thu, May 28 - Tue, Jun 9
GUM
Guam
PDX
Portland
$1,497 Roundtrip, found 6 days ago
$1,497
Roundtrip
found 6 days ago
Select United flight, departing Thu, May 28 from Guam to Portland, returning Tue, Jun 9, priced at $1,497 found 6 days ago
Delta
Wed, Dec 10 - Sun, Jan 11
GUM
Guam
PDX
Portland
$1,498 Roundtrip, found 2 days ago
$1,498
Roundtrip
found 2 days ago
Select Delta flight, departing Wed, Dec 10 from Guam to Portland, returning Sun, Jan 11, priced at $1,498 found 2 days ago
United
Wed, Dec 10 - Sun, Jan 11
GUM
Guam
PDX
Portland
$1,499 Roundtrip, found 2 days ago
$1,499
Roundtrip
found 2 days ago
Select United flight, departing Wed, Dec 10 from Guam to Portland, returning Sun, Jan 11, priced at $1,499 found 2 days ago

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

April is typically the cheapest month to fly

From $1,366 - $1,906 per traveler.

Frequently asked questions

How much does a flight from A.B. Won Pat Intl. Airport (GUM) to Portland Intl. Airport (PDX) cost?
Lock in a cheap one-way flight from $1,257 or cheap return flight from $1,477 from A.B. Won Pat Intl. Airport (GUM) to Portland Intl. Airport (PDX) 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. Airport (PDX)?
May is the least expensive month to fly from GUM to PDX. Traveling during quieter months is often the key to landing a great deal.
What is the cheapest airline that flies from A.B. Won Pat Intl. Airport (GUM) to Portland Intl. Airport (PDX)?
To find the cheapest airline that'll fly you from GUM to PDX, use Expedia's filter tool. Customize your search based on what's important to you, such as preferred carriers and seat class. You can then sort your results by "Price (lowest to highest)" to see the cheapest flights first.
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.

Travel information

Origin airport
A.B. Won Pat Intl.
Destination airport
Portland Intl.
Airlines serving
Delta, United
Roundtrip price
$1,477
Distance
5679 mi

Book with confidence

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 May. 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.

 

Guam to Portland Flights

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*Available to One Key members.