$651 Cheap Flights from Portland (PDX) to Guam (GUM)

View $651 flight on Mon, Apr 13, 2026Opens in a new window

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

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Cheap Flights from Portland to Guam (PDX-GUM)

Prices were available within the past 7 days and start at $651 for one-way flights and $1,202 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Thu, Nov 6 - Sat, Nov 8
PDX
Portland
GUM
Guam
$1,202 Roundtrip, found 5 days ago
$1,202
Roundtrip
found 5 days ago
Select United flight, departing Thu, Nov 6 from Portland to Guam, returning Sat, Nov 8, priced at $1,202 found 5 days ago
Alaska Airlines
Wed, Jan 14 - Wed, Jan 21
PDX
Portland
GUM
Guam
$1,245 Roundtrip, found 5 days ago
$1,245
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Wed, Jan 14 from Portland to Guam, returning Wed, Jan 21, priced at $1,245 found 5 days ago
Alaska Airlines
Wed, Apr 8 - Wed, Apr 15
PDX
Portland
GUM
Guam
$1,406 Roundtrip, found 5 days ago
$1,406
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Wed, Apr 8 from Portland to Guam, returning Wed, Apr 15, priced at $1,406 found 5 days ago
United
Thu, Nov 6 - Sat, Nov 8
PDX
Portland
GUM
Guam
$1,422 Roundtrip, found 5 days ago
$1,422
Roundtrip
found 5 days ago
Select United flight, departing Thu, Nov 6 from Portland to Guam, returning Sat, Nov 8, priced at $1,422 found 5 days ago
Alaska Airlines
Mon, Jan 19 - Sat, Feb 28
PDX
Portland
GUM
Guam
$1,445 Roundtrip, found 2 days ago
$1,445
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Mon, Jan 19 from Portland to Guam, returning Sat, Feb 28, priced at $1,445 found 2 days ago
Alaska Airlines
Mon, Jan 19 - Sat, Feb 28
PDX
Portland
GUM
Guam
$1,451 Roundtrip, found 2 days ago
$1,451
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Mon, Jan 19 from Portland to Guam, returning Sat, Feb 28, priced at $1,451 found 2 days ago
Alaska Airlines
Sun, Feb 22 - Sat, Feb 28
PDX
Portland
GUM
Guam
$1,489 Roundtrip, found 11 hours ago
$1,489
Roundtrip
found 11 hours ago
Select Alaska Airlines flight, departing Sun, Feb 22 from Portland to Guam, returning Sat, Feb 28, priced at $1,489 found 11 hours ago
Alaska Airlines
Mon, Jan 19 - Thu, Jan 29
PDX
Portland
GUM
Guam
$1,512 Roundtrip, found 8 hours ago
$1,512
Roundtrip
found 8 hours ago
Select Alaska Airlines flight, departing Mon, Jan 19 from Portland to Guam, returning Thu, Jan 29, priced at $1,512 found 8 hours ago
Alaska Airlines
Mon, Jan 19 - Fri, Feb 6
PDX
Portland
GUM
Guam
$1,518 Roundtrip, found 2 days ago
$1,518
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Mon, Jan 19 from Portland to Guam, returning Fri, Feb 6, priced at $1,518 found 2 days ago
Delta
Tue, Feb 17 - Tue, Mar 10
PDX
Portland
GUM
Guam
$1,689 Roundtrip, found 10 hours ago
$1,689
Roundtrip
found 10 hours ago
Select Delta flight, departing Tue, Feb 17 from Portland to Guam, returning Tue, Mar 10, priced at $1,689 found 10 hours ago

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

September is typically the cheapest month to fly

From $1,059 - $2,568 per traveler.

Alternative airports near Barrigada

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to A.B. Won Pat Intl. GUM. Cheapest option available. Flights from $1,953
GUM
A.B. Won Pat Intl.
Cheapest
Flights from $1,953

Frequently asked questions

How much does a flight from Portland Intl. Airport (PDX) to A.B. Won Pat Intl. Airport (GUM) cost?
Lock in a cheap one-way flight from $651 or cheap return flight from $1,202 from Portland Intl. Airport (PDX) to A.B. Won Pat Intl. Airport (GUM) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Portland Intl. Airport (PDX) to A.B. Won Pat Intl. Airport (GUM)?
November is the cheapest month to fly from PDX to GUM. Avoiding peak travel times is often the key to landing a great deal.
What is the cheapest airline that flies from Portland Intl. Airport (PDX) to A.B. Won Pat Intl. Airport (GUM)?
Use the filter tool on Expedia to compare airlines and find the most affordable carrier that'll take you from PDX to GUM. Then, sort your results by "Price (lowest to highest)" to snag a good deal.
How many flights per day from Portland Intl. Airport (PDX) to A.B. Won Pat Intl. Airport (GUM)?
Direct flights from Portland Intl. Airport (PDX) to A.B. Won Pat Intl. Airport (GUM) aren't available daily, so you'll have to take a flight with a layover. Explore your options with Expedia's filters. Enter your travel dates and pick either "1 Stop" or "2+ Stops."
What day of the week has the most flights from PDX to GUM?
You'll typically find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can change from season to season and during peak travel times or public holidays.*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. Airport (PDX) to A.B. Won Pat Intl. Airport (GUM)?
Select a flight from Portland Intl. Airport (PDX) to A.B. Won Pat Intl. Airport (GUM) that takes off 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 Portland Intl. Airport (PDX) to A.B. Won Pat Intl. Airport (GUM) last-minute?
Booking your plane ticket from PDX to GUM just before your getaway is generally more expensive. However, if there's some wiggle room with your departure dates and times, you could land a cheap last-minute fare.
Is it cheaper to book a PDX to GUM flight and hotel package?
Booking a PDX to GUM flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels in one place. Select from our wide range of hotels and then add activities, flights and car rentals 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. Airport (PDX) to A.B. Won Pat Intl. Airport (GUM)?
Generally, it's possible to cancel or reschedule your PDX to GUM flight. However, if it's been more than 24 hours since booking, additional charges may apply. Refer to your airline's policies in your itinerary to see what changes are possible and if any costs are involved. You'll also find more information on our Customer Service portal.

Travel information

Origin airport
Portland Intl.
Destination airport
A.B. Won Pat Intl.
Airlines serving
Delta, United
Roundtrip price
$1,202
Distance
5679 mi

Book with confidence

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 November. 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 $651 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.

 

Portland to Guam Flights
*Available to One Key members.