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$1,400+ Cheap flights from Oregon to Guam

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/17. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — GUM
Aug 5 — Aug 121
Tue 8/5
Tue 8/12
1 adult, Economy
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Cheap flight deals from Oregon to Guam

Keep the following information in mind while searching for Oregon to Guam flight deals. Data was last updated July 31, 2025.

Round-trip from

$1,817
(United Airlines)

One-way from

$1,400
(Delta)

Popular in

August

Cheapest in

February

Average price

$2,221
From Oregon to Guam
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One-way flight from Oregon to Guam
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Highest demand for flights based on searches. 24% potential increase in price ($721 potential increase over avg. RT price).
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Cheapest flight prices on average. 10% potential price decrease ($205 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find 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 July 31, 2025.

This United Airlines deal was found by Cheapflights users on 7/31. 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.
Tue 9/307:35 pmPDX - GUM
2 stops29h 30mUnited Airlines
Wed 10/87:10 amGUM - PDX
2 stops28h 23mUnited Airlines
Deal found 7/31$1,817
This Delta deal was found by Cheapflights users on 7/29. 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.
Wed 9/179:17 amPDX - GUM
2 stops36h 58mDelta
Tue 9/305:00 pmGUM - PDX
2 stops47h 29mDelta
Deal found 7/29$1,903

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 July 31, 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

PortlandTamuning

PDX - GUM

PDXGUM

Portland

Tue 9/30

7:35 pm-6:05 pm

2 stops29h 30m

Tamuning Guam Intl

Wed 10/8

7:10 am-6:33 pm

2 stops28h 23m

$1,817

PortlandTamuning

PDX - GUM

PDXGUM

Portland

Wed 9/17

9:17 am-3:15 pm

2 stops36h 58m

Tamuning Guam Intl

Tue 9/30

5:00 pm-11:29 pm

2 stops47h 29m

$1,903

PortlandTamuning

PDX - GUM

PDXGUM

Portland

Sun 8/17

12:46 am-12:10 am

2 stops30h 24m

$1,400

PortlandTamuning

PDX - GUM

PDXGUM

Portland

Wed 10/1

7:35 pm-6:05 pm

2 stops29h 30m

$1,574

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/31

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, January is the cheapest month in which you can book a flight from Oregon to Guam (average of $1,977). Flying from Oregon to Guam in May is currently the most expensive (average of $2,214). 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 July 31, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Oregon to Guam as you normally would.

Reviews of airlines servicing Guam

Get insights into the airlines that provide service to Guam. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Guam. Reviews last updated July 31, 2025.
See what other customers who have flown with Delta and United Airlines from Oregon to Guam have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,980 reviews

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,980 reviews
Delta
8.0
Very good
7,980 reviews

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,902 reviews
Delta
8.0
Very good
7,980 reviews

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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.

  • 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, January is the cheapest month in which you can book a flight from Oregon to Guam (average of $1,977). Flying from Oregon to Guam in May is currently the most expensive (average of $2,214). 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.

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Top 2 airlines flying from Oregon to Guam

Discover the top 2 airlines 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 July 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$1,212Average$2,067FlexibilityNo cancel feeOn-time69%
DeltaCheapest$1,512Average$1,919FlexibilityNo cancel feeOn-timeN/A

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