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$1,684+ Cheap flights from Portland (PDX) 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 9/14. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — GUM
Jun 17 — Jun 241
Wed 6/17
Wed 6/24
1 adult, Economy
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Cheap 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 May 18, 2026.

This Travelocity deal was found by Cheapflights users on 5/18. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/146:20 am
PDX
-
GUM
2 stops39h 15m
Multiple Airlines
Tue 10/64:40 pm
GUM
-
PDX
2 stops44h 14m
Multiple Airlines
Deal found 5/18$1,684
This Expedia deal was found by Cheapflights users on 5/17. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/410:51 am
PDX
-
GUM
2 stops34h 49m
Multiple Airlines
Sat 10/174:40 pm
GUM
-
PDX
2 stops39h 26m
Multiple Airlines
Deal found 5/17$1,786
This United Airlines deal was found by Cheapflights users on 5/15. 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.
Wed 10/145:30 am
PDX
-
GUM
2 stops19h 35m
United Airlines
Thu 10/227:10 am
GUM
-
PDX
2 stops20h 10m
United Airlines
Deal found 5/15$1,819
This Delta deal was found by Cheapflights users on 5/14. 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.
Fri 11/205:30 am
PDX
-
GUM
2 stops39h 05m
Delta
Sun 11/294:50 pm
GUM
-
PDX
2 stops45h 08m
Delta
Deal found 5/14$1,903
This United Airlines deal was found by Cheapflights users on 5/18. 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 8/217:00 am
PDX
-
GUM
2 stops18h 05m
United Airlines
Sun 8/307:30 pm
GUM
-
PDX
2 stops36h 17m
United Airlines
Deal found 5/18$1,992
This United Airlines deal was found by Cheapflights users on 5/16. 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.
Sat 8/225:30 am
PDX
-
GUM
2 stops41h 20m
United Airlines
Sat 8/297:05 am
GUM
-
PDX
2 stops24h 30m
United Airlines
Deal found 5/16$2,039
This United Airlines deal was found by Cheapflights users on 5/15. 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.
Mon 7/205:15 am
PDX
-
GUM
2 stops41h 35m
United Airlines
Thu 8/67:05 am
GUM
-
PDX
2 stops30h 49m
United Airlines
Deal found 5/15$2,128
This United Airlines deal was found by Cheapflights users on 5/16. 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 8/165:30 am
PDX
-
GUM
2 stops19h 35m
United Airlines
Sat 8/227:30 pm
GUM
-
PDX
2 stops42h 29m
United Airlines
Deal found 5/16$2,212
This Travelocity deal was found by Cheapflights users on 5/14. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/225:00 am
PDX
-
GUM
2 stops40h 35m
Multiple Airlines
Fri 6/264:35 pm
GUM
-
PDX
2 stops48h 24m
Multiple Airlines
Deal found 5/14$2,225

Find flight deals from Portland to Guam

Keep the following information in mind while searching for Portland to Guam flight deals. Data was last updated May 18, 2026.

Round-trip from

$1,684
(Travelocity)

Popular in

January

Cheapest in

June

Average price

$1,768
From Portland to Guam
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($339 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($102 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2026
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 May 18, 2026.
Use the filters below to find and compare flights from Portland to Guam that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandTamuning

PDX - GUM

PDXGUM

Portland

Mon 9/14

6:20 am-2:35 pm

2 stops39h 15m

Tamuning Guam Intl

Tue 10/6

4:40 pm-7:54 pm

2 stops44h 14m

$1,684
Quickest round-trip

PortlandTamuning

PDX - GUM

PDXGUM

Portland

Wed 10/14

5:30 am-6:05 pm

2 stops19h 35m

Tamuning Guam Intl

Thu 10/22

7:10 am-10:20 am

2 stops20h 10m

$1,819

PortlandTamuning

PDX - GUM

PDXGUM

Portland

Fri 8/21

7:00 am-6:05 pm

2 stops18h 05m

Tamuning Guam Intl

Sun 8/30

7:30 pm-2:47 pm

2 stops36h 17m

$1,992

PortlandTamuning

PDX - GUM

PDXGUM

Portland

Thu 7/30

5:15 am-3:50 pm

2 stops41h 35m

Tamuning Guam Intl

Thu 8/6

7:05 am-10:48 pm

2 stops32h 43m

$2,128

PortlandTamuning

PDX - GUM

PDXGUM

Portland

Mon 7/20

5:15 am-4:20 am

3 stops30h 05m

Tamuning Guam Intl

Thu 8/6

7:05 am-8:54 pm

2 stops30h 49m

$2,132

PortlandTamuning

PDX - GUM

PDXGUM

Portland

Mon 9/14

5:30 am-6:05 pm

3 stops19h 35m

Tamuning Guam Intl

Tue 10/6

7:10 am-11:55 am

2 stops21h 45m

$2,273

PortlandTamuning

PDX - GUM

PDXGUM

Portland

Sat 7/4

5:15 am-4:20 am

3 stops30h 05m

Tamuning Guam Intl

Sun 7/19

7:30 pm-8:54 pm

2 stops42h 24m

$2,349

PortlandTamuning

PDX - GUM

PDXGUM

Portland

Tue 6/9

6:03 pm-6:05 pm

2 stops31h 02m

Tamuning Guam Intl

Tue 6/23

7:05 am-8:54 pm

2 stops30h 49m

$2,429

PortlandTamuning

PDX - GUM

PDXGUM

Portland

Thu 6/4

7:00 am-3:50 pm

2 stops39h 50m

Tamuning Guam Intl

Thu 6/11

7:05 am-4:47 pm

2 stops26h 42m

$2,449

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/18

Sorted by cheapest first

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, June is the cheapest month in which you can book a flight from Portland to Guam (average of $1,602). Flying from Portland to Guam in January is currently the most expensive (average of $3,349). 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.

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 May 18, 2026.
Get a feel of what it's like to fly with 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.
United Airlines
7.4
Good
9,737 reviews

Entertainment

7.1

Overall

7.4

Crew

8.1

Boarding

7.7

Food

6.6

Comfort

7.3

Reviews

1 / 20
4.0
Okay

Dynasty,May 2026

LAX - EWR

The food wasn’t nice - Hosts were not that kind.
United Airlines
7.4
Good
9,737 reviews
United Airlines
7.4
Good
9,737 reviews

Entertainment

7.1

Overall

7.4

Crew

8.1

Boarding

7.7

Food

6.6

Comfort

7.3

Reviews

1 / 20
4.0
Okay

Dynasty,May 2026

LAX - EWR

The food wasn’t nice - Hosts were not that kind.

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 19h 35m. United Airlines provides one of the quickest options available for as low as $1,819. 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, June is the cheapest month in which you can book a flight from Portland to Guam (average of $1,602). Flying from Portland to Guam in January is currently the most expensive (average of $3,349). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top airline flying from Portland to Guam

Discover the top airline 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 May 18, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$1,817Average$2,084FlexibilityNo cancel feeOn-time69%

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