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$573+ Cheap flights from Portland (PDX) 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 11/18. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — GUM
nov. 22 — nov. 291
sáb. 11/22
sáb. 11/29
1 adult, Economy
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Find flight deals from Portland to Guam

Cheapest flights from Portland to Guam
Explore the most affordable flight options available from Portland to Guam. Find the lowest fares from popular airlines and budget airlines, with prices last updated on octubre 23, 2025.

This Expedia deal was found by Cheapflights users on 10/22. 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.
mié. 11/56:00 amPDX - GUM
2 stops38h 35mMultiple Airlines
vie. 11/71:00 amGUM - PDX
2 stops47h 17mMultiple Airlines
Deal found 10/22$1,855
This Delta deal was found by Cheapflights users on 10/22. 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.
sáb. 11/295:30 amPDX - GUM
2 stops23h 35mDelta
mié. 12/34:50 pmGUM - PDX
2 stops46h 02mDelta
Deal found 10/22$2,153
This United Airlines deal was found by Cheapflights users on 10/22. 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.
sáb. 11/296:00 amPDX - GUM
3 stops42h 50mUnited Airlines
mié. 12/37:40 amGUM - PDX
2 stops25h 07mUnited Airlines
Deal found 10/22$2,206
This United Airlines deal was found by Cheapflights users on 10/21. 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.
sáb. 12/66:00 amPDX - GUM
3 stops42h 50mUnited Airlines
sáb. 12/137:40 amGUM - PDX
2 stops21h 23mUnited Airlines
Deal found 10/21$2,256
This Delta deal was found by Cheapflights users on 10/22. 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.
mar. 11/412:40 amPDX - GUM
2 stops28h 25mDelta
sáb. 11/84:50 pmGUM - PDX
2 stops43h 37mDelta
Deal found 10/22$2,553
This United Airlines deal was found by Cheapflights users on 10/22. 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.
mié. 11/56:00 amPDX - GUM
3 stops42h 50mUnited Airlines
sáb. 11/87:20 pmGUM - PDX
2 stops37h 26mUnited Airlines
Deal found 10/22$2,830

Cheap flight deals from Portland to Guam

Keep the following information in mind while searching for Portland to Guam flight deals. Data was last updated octubre 23, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,855
(Expedia)

One-way from

$573
(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.
Search Deals
From Portland to Guam
Search Deals
One-way flight from Portland to Guam
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($218 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 October 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Portland 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 octubre 23, 2025.
Use the filters below to find and compare flights from Portland to Guam that are best for you.

Fly from

Portland

Fly to

Guam

Route

Depart

Return

Price

PortlandTamuning

PDX - GUM

PDXGUM

Portland

mié. 11/5

6:00 am-2:35 pm

2 stops38h 35m

Tamuning Guam Intl

vie. 11/7

1:00 am-6:17 am

2 stops47h 17m

$1,855

PortlandTamuning

PDX - GUM

PDXGUM

Portland

sáb. 11/29

5:30 am-2:35 pm

2 stops39h 05m

Tamuning Guam Intl

mié. 12/3

4:50 pm-10:40 pm

2 stops47h 50m

$2,153

PortlandTamuning

PDX - GUM

PDXGUM

Portland

sáb. 11/29

6:00 am-6:50 pm

3 stops42h 50m

Tamuning Guam Intl

mié. 12/3

7:40 am-6:41 pm

2 stops29h 01m

$2,206

PortlandTamuning

PDX - GUM

PDXGUM

Portland

sáb. 12/6

3:55 pm-6:50 pm

2 stops56h 55m

Tamuning Guam Intl

sáb. 12/13

7:40 am-6:41 pm

2 stops29h 01m

$2,206

PortlandTamuning

PDX - GUM

PDXGUM

Portland

mié. 11/5

9:17 am-11:05 pm

2 stops19h 48m

Tamuning Guam Intl

sáb. 11/8

4:50 pm-10:41 pm

2 stops47h 51m

$2,553

PortlandTamuning

PDX - GUM

PDXGUM

Portland

mar. 11/18

7:30 am-11:00 pm

3 stops45h 30m

$573

PortlandTamuning

PDX - GUM

PDXGUM

Portland

vie. 2/13

6:00 am-2:35 pm

2 stops38h 35m

$1,220

PortlandTamuning

PDX - GUM

PDXGUM

Portland

mié. 12/24

5:30 am-11:05 pm

2 stops23h 35m

$1,400

PortlandTamuning

PDX - GUM

PDXGUM

Portland

mar. 11/18

5:30 am-2:35 pm

2 stops39h 05m

$1,400

PortlandTamuning

PDX - GUM

PDXGUM

Portland

jue. 2/12

12:55 am-11:05 pm

2 stops28h 10m

$2,149

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/22

Best time to book a flight from Portland to Guam

Have a flexible travel schedule? Discover the best time to fly to Guam from Portland 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 Portland to Guam

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

Currently, February is the cheapest month in which you can book a flight from Portland to Guam (average of $797). Flying from Portland to Guam 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 PDX to GU?

Find hourly flight availability from Portland 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 octubre 23, 2025.

A simple way to save on the total cost of your ticket is to fly from Portland to Guam in the afternoon. If you’re flexible enough to do this you can expect to save up to 11% on your trip compared to booking a flight at noon.

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 octubre 23, 2025.
Get a feel of what it's like to fly with Delta and United Airlines from Portland to Guam by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
7,982 reviews

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Overall

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Delta
7.9
Good
7,982 reviews
Delta
7.9
Good
7,982 reviews

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Overall

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
United Airlines
7.4
Good
8,995 reviews
Delta
7.9
Good
7,982 reviews

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Overall

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

Related info for your journey

Find useful and relevant information for your journey from Portland to Guam. 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 from for flights from Portland to Guam?

    If you book a flight to Guam from Portland, you will be flying from Portland, which is the city’s only airport. Portland (PDX) is located 6.0 mi from the center of Portland.

  • How long is the flight from Portland to Guam?

    A quick flight from Portland to Guam can take about 39h 05m. Delta provides one of the quickest options available for as low as $2,153. The distance from Portland to Guam is about 5676 mi.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Portland 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 Portland to Guam?

    Currently, February is the cheapest month in which you can book a flight from Portland to Guam (average of $797). Flying from Portland to Guam 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 2 airlines flying from Portland to Guam

Discover the top 2 airlines that operate flights from Portland 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 octubre 23, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$1,512Average$1,903FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$1,602Average$2,065FlexibilityNo cancel feeOn-time69%

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