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$769+ Cheap flights from Oregon to Tamuning (GUM)

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 1/14. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — GUM
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
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Find flight deals from Oregon to Tamuning

Cheapest flights from Oregon to Tamuning
Explore the most affordable flight options available from Oregon to Tamuning. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2025.

This Delta deal was found by Cheapflights users on 10/29. 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.
Fri 11/287:15 amPDX - GUM
2 stops21h 50mDelta
Fri 12/54:50 pmGUM - PDX
2 stops47h 47mDelta
Deal found 10/29$2,003
This Delta deal was found by Cheapflights users on 10/28. 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.
Sat 11/295:05 amPDX - GUM
2 stops39h 30mDelta
Wed 12/34:50 pmGUM - PDX
2 stops49h 26mDelta
Deal found 10/28$2,153
This United Airlines deal was found by Cheapflights users on 10/27. 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.
Sat 11/296:00 amPDX - GUM
3 stops42h 50mUnited Airlines
Wed 12/37:40 amGUM - PDX
2 stops25h 07mUnited Airlines
Deal found 10/27$2,206
This United Airlines deal was found by Cheapflights users on 10/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/286:00 amPDX - GUM
3 stops42h 50mUnited Airlines
Fri 12/57:40 amGUM - PDX
2 stops21h 23mUnited Airlines
Deal found 10/29$2,256
This United Airlines deal was found by Cheapflights users on 10/30. 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.
Sun 12/146:00 amPDX - GUM
2 stops39h 40mUnited Airlines
Sun 12/217:20 pmGUM - PDX
2 stops41h 28mUnited Airlines
Deal found 10/30$2,280
This Expedia deal was found by Cheapflights users on 10/30. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/147:25 amPDX - GUM
2 stops37h 10mMultiple Airlines
Sat 12/201:00 amGUM - PDX
2 stops39h 59mMultiple Airlines
Deal found 10/30$2,454
This Delta deal was found by Cheapflights users on 10/30. 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.
Sat 12/1312:32 amPDX - GUM
2 stops28h 33mDelta
Sat 12/201:00 amGUM - PDX
2 stops35h 50mDelta
Deal found 10/30$2,859

Cheap flight deals from Oregon to Tamuning

Keep the following information in mind while searching for Oregon to Tamuning flight deals. Data was last updated October 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$1,119
(United Airlines)

One-way from

$769
(Kiwi.com)

Popular in

August

Cheapest in

February

Average price

$2,602
Provider with most accurate pricing for Portland-Tamuning Guam Intl flight deals.
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Provider most trusted by Cheapflights users for Portland-Tamuning Guam Intl flights.
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From Oregon to Tamuning Guam Intl
Search Deals
One-way flight from Oregon to Tamuning Guam Intl
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Highest demand for flights based on searches. 9% potential increase in price ($217 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($68 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Oregon to Tamuning 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 October 30, 2025.
Use the filters below to find and compare flights from Oregon to Tamuning that are best for you.

Fly from

Oregon

Fly to

Tamuning

Route

Depart

Return

Price

BoiseTamuning

BOI - GUM

BOIGUM

Boise Air Term. Gowen Fld

Sun 4/26

7:00 pm-3:40 pm

2 stops52h 40m

Tamuning Guam Intl

Thu 4/30

7:05 am-9:43 am

2 stops18h 38m

$1,175

PortlandTamuning

PDX - GUM

PDXGUM

Portland

Fri 11/28

7:15 am-11:05 pm

2 stops21h 50m

Tamuning Guam Intl

Thu 12/4

1:00 am-6:14 pm

2 stops35h 14m

$2,003

PortlandTamuning

PDX - GUM

PDXGUM

Portland

Sat 11/29

5:30 am-2:35 pm

2 stops39h 05m

Tamuning Guam Intl

Wed 12/3

4:50 pm-10:40 pm

2 stops47h 50m

$2,153

PortlandTamuning

PDX - GUM

PDXGUM

Portland

Sat 11/29

6:00 am-6:50 pm

3 stops42h 50m

Tamuning Guam Intl

Wed 12/3

7:40 am-2:47 pm

2 stops25h 07m

$2,206

PortlandTamuning

PDX - GUM

PDXGUM

Portland

Wed 1/14

9:10 am-3:15 pm

3 stops36h 05m

$769

PortlandTamuning

PDX - GUM

PDXGUM

Portland

Thu 11/20

5:30 am-11:05 pm

2 stops23h 35m

$1,400

PortlandTamuning

PDX - GUM

PDXGUM

Portland

Wed 12/24

9:19 am-11:05 pm

2 stops19h 46m

$1,400

PortlandTamuning

PDX - GUM

PDXGUM

Portland

Thu 11/20

6:00 am-6:50 pm

3 stops42h 50m

$1,659

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/29

Best time to book a flight from Oregon to Tamuning

Have a flexible travel schedule? Discover the best time to fly to Tamuning 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 Tamuning

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

Currently, February is the cheapest month in which you can book a flight from Oregon to Tamuning (average of $797). Flying from Oregon to Tamuning in October is currently the most expensive (average of $2,487). 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 GUM?

Find hourly flight availability from Oregon to Tamuning. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 30, 2025.

One of the essential ways to save on airfare from Oregon to Tamuning is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight in the afternoon could potentially save you up to 17% on airfare.

How much does it cost to fly round-trip from Oregon to Tamuning?

Related info for your journey

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

  • What airport do you fly into for flights to Tamuning from Oregon?

    Located just 1.1 mi from the city center, Tamuning Guam Intl (GUM) is the airport most travelers will use when flying to Tamuning from Oregon.

  • How long is the flight from Oregon to Tamuning?

    Departing from Oregon to Tamuning will take you 21h 50m. Airlines will cover a distance of 5676 mi. This flight may include one or multiple stops.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Oregon to Tamuning 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 Tamuning?

    Currently, February is the cheapest month in which you can book a flight from Oregon to Tamuning (average of $797). Flying from Oregon to Tamuning in October is currently the most expensive (average of $2,487). 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 Tamuning

Discover the top airline that operate flights from Oregon to Tamuning. 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 October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$1,602Average$2,065FlexibilityNo cancel feeOn-time69%

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