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Guam

$661+ 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 7/21. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — GUM
Aug 2 — Aug 91
Sun 8/2
Sun 8/9
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 July 3, 2026.

This Orbitz deal was found by Cheapflights users on 7/1. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1212:39 pm
PDX
-
GUM
2 stops56h 56m
Multiple Airlines
Fri 9/184:35 pm
GUM
-
PDX
2 stops46h 26m
Multiple Airlines
Deal found 7/1$1,582
This United Airlines deal was found by Cheapflights users on 6/29. 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.
Wed 9/165:30 am
PDX
-
GUM
2 stops19h 35m
United Airlines
Wed 9/307:10 am
GUM
-
PDX
2 stops24h 17m
United Airlines
Deal found 6/29$1,819
This United Airlines deal was found by Cheapflights users on 7/1. 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 10/27:00 am
PDX
-
GUM
2 stops18h 05m
United Airlines
Tue 10/277:45 am
GUM
-
PDX
2 stops27h 44m
United Airlines
Deal found 7/1$1,869
This United Airlines deal was found by Cheapflights users on 7/2. 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 9/85:30 am
PDX
-
GUM
2 stops19h 35m
United Airlines
Fri 9/257:10 am
GUM
-
PDX
2 stops20h 05m
United Airlines
Deal found 7/2$1,919
This Orbitz deal was found by Cheapflights users on 6/30. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/48:19 am
PDX
-
GUM
2 stops37h 16m
Multiple Airlines
Mon 7/64:35 pm
GUM
-
PDX
2 stops41h 20m
Multiple Airlines
Deal found 6/30$2,074
This Delta deal was found by Cheapflights users on 7/2. 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 8/39:29 am
PDX
-
GUM
2 stops37h 06m
Delta
Sun 8/165:20 pm
GUM
-
PDX
2 stops43h 24m
Delta
Deal found 7/2$2,113
This United Airlines deal was found by Cheapflights users on 6/30. 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 10/47:29 pm
PDX
-
GUM
2 stops29h 36m
United Airlines
Thu 10/87:10 am
GUM
-
PDX
2 stops28h 21m
United Airlines
Deal found 6/30$2,129
This Delta deal was found by Cheapflights users on 7/2. 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 8/75:45 am
PDX
-
GUM
2 stops40h 50m
Delta
Sun 8/165:20 pm
GUM
-
PDX
2 stops43h 24m
Delta
Deal found 7/2$2,163
This Delta deal was found by Cheapflights users on 7/2. 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 8/37:05 am
PDX
-
GUM
2 stops23h 50m
Delta
Fri 8/145:20 pm
GUM
-
PDX
2 stops56h 17m
Delta
Deal found 7/2$2,174
This Delta deal was found by Cheapflights users on 7/2. 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 7/1912:33 am
PDX
-
GUM
2 stops30h 22m
Delta
Sun 7/262:00 am
GUM
-
PDX
2 stops37h 00m
Delta
Deal found 7/2$2,178
This Delta deal was found by Cheapflights users on 7/2. 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 8/79:29 am
PDX
-
GUM
2 stops21h 26m
Delta
Fri 8/142:00 am
GUM
-
PDX
2 stops47h 37m
Delta
Deal found 7/2$2,224

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 July 3, 2026.

Round-trip from

$1,582
(Orbitz)

One-way from

$661
(Kiwi.com)

Popular in

January

Cheapest in

September

Average price

$2,384
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 ($242 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 July 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 July 3, 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

Tue 10/20

5:30 am-6:05 pm

2 stops19h 35m

Tamuning Guam Intl

Tue 10/27

7:45 am-6:29 pm

2 stops27h 44m

$1,819

PortlandTamuning

PDX - GUM

PDXGUM

Portland

Fri 10/2

7:00 am-6:05 pm

2 stops18h 05m

Tamuning Guam Intl

Tue 10/27

7:45 am-6:29 pm

2 stops27h 44m

$1,869

PortlandTamuning

PDX - GUM

PDXGUM

Portland

Fri 10/2

7:29 pm-6:05 pm

2 stops29h 36m

Tamuning Guam Intl

Mon 10/26

7:45 am-2:34 pm

2 stops23h 49m

$1,869

PortlandTamuning

PDX - GUM

PDXGUM

Portland

Tue 12/1

7:49 pm-7:00 pm

2 stops29h 11m

Tamuning Guam Intl

Fri 12/11

7:45 am-8:33 pm

2 stops30h 48m

$1,869
Quickest round-trip

PortlandTamuning

PDX - GUM

PDXGUM

Portland

Tue 9/8

5:30 am-6:05 pm

2 stops19h 35m

Tamuning Guam Intl

Fri 9/25

7:10 am-10:15 am

2 stops20h 05m

$1,919

PortlandTamuning

PDX - GUM

PDXGUM

Portland

Mon 7/13

6:00 am-11:55 pm

2 stops24h 55m

Tamuning Guam Intl

Sun 7/19

2:00 am-8:02 pm

2 stops35h 02m

$2,113

PortlandTamuning

PDX - GUM

PDXGUM

Portland

Sun 10/4

7:29 pm-6:05 pm

2 stops29h 36m

Tamuning Guam Intl

Thu 10/8

7:10 am-6:31 pm

2 stops28h 21m

$2,129

PortlandTamuning

PDX - GUM

PDXGUM

Portland

Fri 8/7

5:45 am-3:35 pm

2 stops40h 50m

Tamuning Guam Intl

Sun 8/16

5:20 pm-7:44 pm

2 stops43h 24m

$2,163

PortlandTamuning

PDX - GUM

PDXGUM

Portland

Thu 8/6

9:29 am-3:35 pm

2 stops37h 06m

Tamuning Guam Intl

Fri 8/14

2:00 am-8:37 am

2 stops47h 37m

$2,174
Cheapest one-way

PortlandTamuning

PDX - GUM

PDXGUM

Portland

Fri 7/10

9:48 pm-1:00 am

2 stops58h 12m

$705

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/2

Showing 1-10 of 18 resultsSorted by cheapest first
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
No data available for this route at this time. Please check back soon.

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 3, 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
9,927 reviews

Food

6.7

Boarding

7.7

Comfort

7.3

Entertainment

7.1

Overall

7.4

Crew

8.1

Reviews

1 / 20
6.0
Good

ROHIT,Jun 2026

IND - EWR

It should not be delayed by 2 hours. I missed the important event due to this
United Airlines
7.4
Good
9,927 reviews
United Airlines
7.4
Good
9,927 reviews

Food

6.7

Boarding

7.7

Comfort

7.3

Entertainment

7.1

Overall

7.4

Crew

8.1

Reviews

1 / 20
6.0
Good

ROHIT,Jun 2026

IND - EWR

It should not be delayed by 2 hours. I missed the important event due to this

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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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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 July 3, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$1,817Average$2,128FlexibilityNo cancel feeOn-time69%

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