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$1,060+ Cheap flights from Oregon to Guam

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/27. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — GUM
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheap flight deals from Oregon to Guam

Cheapest flights from Oregon to Guam
Explore the most affordable flight options available from Oregon to Guam. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.

This Delta deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/255:30 amPDX - GUM
2 stops23h 35mDelta
Wed 12/311:00 amGUM - PDX
2 stops37h 36mDelta
Deal found 12/17$2,830
This United Airlines deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/257:30 amPDX - GUM
2 stops38h 25mUnited Airlines
Thu 1/17:40 amGUM - PDX
3 stops33h 06mUnited Airlines
Deal found 12/17$2,877

Find flight deals from Oregon to Guam

Keep the following information in mind while searching for Oregon to Guam flight deals. Data was last updated December 18, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$1,060
(United Airlines)

Popular in

August

Cheapest in

February

Average price

$2,248
Provider with most accurate pricing for Portland-Tamuning Guam Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Portland-Tamuning Guam Intl flights.
Search Deals
From Oregon to Guam
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($210 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($68 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Oregon to Guam that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 18, 2025.
Use the filters below to find and compare flights from Oregon to Guam that are best for you.

Fly from

Oregon

Fly to

Guam

Route

Depart

Return

Price

BoiseTamuning

BOI - GUM

BOIGUM

Boise Air Term. Gowen Fld

Mon 4/27

6:55 pm-3:45 pm

2 stops52h 50m

Tamuning Guam Intl

Fri 5/1

7:05 am-1:30 pm

2 stops22h 25m

$1,060

PortlandTamuning

PDX - GUM

PDXGUM

Portland

Mon 3/9

7:30 am-6:50 pm

2 stops18h 20m

Tamuning Guam Intl

Mon 3/23

7:25 am-12:33 pm

2 stops22h 08m

$1,818

PortlandTamuning

PDX - GUM

PDXGUM

Portland

Tue 3/10

5:30 am-6:50 pm

2 stops20h 20m

Tamuning Guam Intl

Mon 3/23

7:25 am-6:48 pm

2 stops28h 23m

$1,818

PortlandTamuning

PDX - GUM

PDXGUM

Portland

Thu 3/12

7:30 am-6:50 pm

2 stops18h 20m

Tamuning Guam Intl

Mon 3/23

7:25 am-6:48 pm

2 stops28h 23m

$1,818

PortlandTamuning

PDX - GUM

PDXGUM

Portland

Thu 3/12

5:30 am-6:50 pm

2 stops20h 20m

Tamuning Guam Intl

Tue 3/24

7:25 am-12:33 pm

2 stops22h 08m

$1,818

PortlandTamuning

PDX - GUM

PDXGUM

Portland

Tue 3/10

5:30 am-6:50 pm

2 stops20h 20m

Tamuning Guam Intl

Tue 3/24

7:25 am-12:33 pm

2 stops22h 08m

$1,818

PortlandTamuning

PDX - GUM

PDXGUM

Portland

Mon 3/9

7:30 am-6:50 pm

2 stops18h 20m

Tamuning Guam Intl

Tue 3/24

7:25 am-6:48 pm

2 stops28h 23m

$1,818

PortlandTamuning

PDX - GUM

PDXGUM

Portland

Thu 3/12

7:30 am-6:50 pm

2 stops18h 20m

Tamuning Guam Intl

Wed 3/25

7:25 am-6:47 pm

2 stops28h 22m

$1,818

PortlandTamuning

PDX - GUM

PDXGUM

Portland

Tue 3/10

7:30 am-6:50 pm

2 stops18h 20m

Tamuning Guam Intl

Wed 3/25

7:25 am-6:47 pm

2 stops28h 22m

$1,818

PortlandTamuning

PDX - GUM

PDXGUM

Portland

Wed 3/11

7:30 am-6:50 pm

2 stops18h 20m

Tamuning Guam Intl

Mon 3/23

7:25 am-6:48 pm

2 stops28h 23m

$1,818

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

Showing 1-10 of 14 results
1
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Best time to book a flight from Oregon to Guam

Have a flexible travel schedule? Discover the best time to fly to Guam from Oregon with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Oregon to Guam

What is the cheapest month to book a flight from Oregon to Guam?

Currently, February is the cheapest month in which you can book a flight from Oregon to Guam (average of $797). Flying from Oregon to Guam in October is currently the most expensive (average of $2,488). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from OR to GU?

Find hourly flight availability from Oregon to Guam. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 18, 2025.

It’s optimal to fly from Oregon to Guam in the afternoon. By choosing this option you can save up to 17% on the cost of your flight, compared to a flight in the morning.

Related info for your journey

Find useful and relevant information for your journey from Oregon to Guam. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Oregon to Guam?

    A quick flight from Oregon to Guam can take about 52h 50m. United Airlines provides one of the quickest options available for as low as $1,060. There are 6013 mi between Oregon and Guam.

  • Can I find deals for flights from Oregon to Guam that include hotel bookings?

    Yes. In addition to deals on Oregon to Guam flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Oregon to Guam?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Oregon to Guam.

  • Can I find deals for business class flights from Oregon to Guam?

    Yes. Cheapflights offers flight deals from Oregon to Guam by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Oregon to Guam?

    Currently, February is the cheapest month in which you can book a flight from Oregon to Guam (average of $797). Flying from Oregon to Guam in October is currently the most expensive (average of $2,488). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Top airline flying from Oregon to Guam

Discover the top airline that operate flights from Oregon to Guam. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$1,602Average$2,136FlexibilityNo cancel feeOn-time69%

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