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$574+ 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 11/4. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — GUM
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
1 adult, Economy
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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 September 16, 2025.

Round-trip from

$1,817
(United Airlines)

One-way from

$574
(Kiwi.com)

Popular in

August

Cheapest in

February

Average price

$1,914
From Portland to Guam
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One-way flight from Portland to Guam
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Highest demand for flights based on searches. 10% potential increase in price ($248 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($71 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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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 September 16, 2025.

This Delta deal was found by Cheapflights users on 9/16. 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.
Sun 11/95:05 pmPDX - GUM
2 stops36h 00mDelta
Tue 11/184:50 pmGUM - PDX
2 stops44h 29mDelta
Deal found 9/16$1,908
This Delta deal was found by Cheapflights users on 9/14. 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.
Mon 10/2012:40 amPDX - GUM
2 stops30h 30mDelta
Thu 11/61:00 amGUM - PDX
2 stops37h 26mDelta
Deal found 9/14$1,953
This Delta deal was found by Cheapflights users on 9/16. 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 11/85:30 amPDX - GUM
2 stops39h 05mDelta
Fri 11/141:00 amGUM - PDX
2 stops36h 19mDelta
Deal found 9/16$2,003
This United Airlines deal was found by Cheapflights users on 9/16. 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 11/96:00 amPDX - GUM
3 stops42h 50mUnited Airlines
Tue 11/187:40 amGUM - PDX
2 stops28h 56mUnited Airlines
Deal found 9/16$2,153
This United Airlines deal was found by Cheapflights users on 9/14. 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 10/213:50 pmPDX - GUM
3 stops33h 15mUnited Airlines
Fri 11/77:40 amGUM - PDX
2 stops28h 56mUnited Airlines
Deal found 9/14$2,203
This Delta deal was found by Cheapflights users on 9/15. 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.
Tue 9/165:15 amPDX - GUM
2 stops25h 55mDelta
Mon 9/221:55 amGUM - PDX
2 stops32h 15mDelta
Deal found 9/15$2,215
This Delta deal was found by Cheapflights users on 9/15. 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.
Mon 10/65:25 pmPDX - GUM
2 stops37h 45mDelta
Sun 10/191:55 amGUM - PDX
2 stops31h 50mDelta
Deal found 9/15$2,271
This United Airlines deal was found by Cheapflights users on 9/15. 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 12/217:30 amPDX - GUM
2 stops41h 30mUnited Airlines
Fri 12/267:40 amGUM - PDX
2 stops29h 08mUnited Airlines
Deal found 9/15$2,325
This United Airlines deal was found by Cheapflights users on 9/15. 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 stops22h 32mUnited Airlines
Deal found 9/15$2,327
This United Airlines deal was found by Cheapflights users on 9/14. 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 12/267:45 pmPDX - GUM
2 stops29h 15mUnited Airlines
Wed 12/317:40 amGUM - PDX
3 stops33h 06mUnited Airlines
Deal found 9/14$2,336
This United Airlines deal was found by Cheapflights users on 9/14. 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 10/57:35 pmPDX - GUM
2 stops29h 30mUnited Airlines
Sun 10/125:00 pmGUM - PDX
2 stops38h 42mUnited Airlines
Deal found 9/14$2,363

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 September 16, 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

Tue 3/10

8:15 am-6:50 pm

2 stops17h 35m

Tamuning Guam Intl

Tue 3/17

7:25 am-12:19 am

3 stops33h 54m

$1,817

PortlandTamuning

PDX - GUM

PDXGUM

Portland

Mon 3/9

12:55 am-11:05 pm

2 stops29h 10m

Tamuning Guam Intl

Tue 3/17

4:50 pm-7:11 pm

2 stops43h 21m

$1,853

PortlandTamuning

PDX - GUM

PDXGUM

Portland

Tue 10/21

5:30 am-12:10 am

2 stops25h 40m

Tamuning Guam Intl

Thu 11/6

1:00 am-4:45 pm

2 stops33h 45m

$1,953

PortlandTamuning

PDX - GUM

PDXGUM

Portland

Sat 11/8

12:35 am-11:05 pm

2 stops28h 30m

Tamuning Guam Intl

Tue 11/18

4:50 pm-10:41 pm

2 stops47h 51m

$1,953

PortlandTamuning

PDX - GUM

PDXGUM

Portland

Sun 11/2

5:40 pm-3:15 pm

2 stops51h 35m

$593

PortlandTamuning

PDX - GUM

PDXGUM

Portland

Wed 11/5

9:34 am-11:00 pm

3 stops43h 26m

$614

PortlandTamuning

PDX - GUM

PDXGUM

Portland

Sat 11/8

6:00 am-11:00 pm

2 stops47h 00m

$653

PortlandTamuning

PDX - GUM

PDXGUM

Portland

Fri 11/7

10:28 pm-3:00 pm

2 stops46h 32m

$665

PortlandTamuning

PDX - GUM

PDXGUM

Portland

Wed 12/24

1:51 pm-3:00 pm

2 stops55h 09m

$875

PortlandTamuning

PDX - GUM

PDXGUM

Portland

Thu 11/6

12:40 am-11:05 pm

2 stops28h 25m

$1,400

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 13 results
1
2

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, January is the cheapest month in which you can book a flight from Portland to Guam (average of $1,977). Flying from Portland 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 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 September 16, 2025.

When flying from Portland to Guam, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 September 16, 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
8.0
Very good
7,957 reviews

Comfort

7.9

Overall

8.0

Boarding

8.2

Entertainment

7.9

Food

7.3

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
7,957 reviews
Delta
8.0
Very good
7,957 reviews

Comfort

7.9

Overall

8.0

Boarding

8.2

Entertainment

7.9

Food

7.3

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
8,924 reviews
Delta
8.0
Very good
7,957 reviews

Comfort

7.9

Overall

8.0

Boarding

8.2

Entertainment

7.9

Food

7.3

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 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 17h 35m. United Airlines provides one of the quickest options available for as low as $1,817. The distance from Portland to Guam is about 5676 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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, January is the cheapest month in which you can book a flight from Portland to Guam (average of $1,977). Flying from Portland 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.

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 September 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$1,078Average$2,016FlexibilityNo cancel feeOn-time69%
DeltaCheapest$1,512Average$1,903FlexibilityNo cancel feeOn-timeN/A

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