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Guam

$733+ 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 3/29. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — GUM
Apr 24 — May 11
Fri 4/24
Fri 5/1
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 March 25, 2026.

This Expedia deal was found by Cheapflights users on 3/23. 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.
Mon 4/612:07 pm
PDX
-
GUM
2 stops42h 48m
Multiple Airlines
Wed 4/83:00 am
GUM
-
PDX
2 stops37h 44m
Multiple Airlines
Deal found 3/23$1,615
This Travelocity deal was found by Cheapflights users on 3/24. 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 10/59:40 am
PDX
-
GUM
2 stops36h 00m
Multiple Airlines
Sat 10/244:40 pm
GUM
-
PDX
2 stops42h 53m
Multiple Airlines
Deal found 3/24$1,786
This Orbitz deal was found by Cheapflights users on 3/23. 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.
Mon 4/206:00 am
PDX
-
GUM
2 stops39h 40m
Multiple Airlines
Mon 4/274:40 pm
GUM
-
PDX
2 stops41h 11m
Multiple Airlines
Deal found 3/23$1,788
This United Airlines deal was found by Cheapflights users on 3/23. 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 10/53:30 pm
PDX
-
GUM
3 stops33h 35m
United Airlines
Sat 10/247:10 am
GUM
-
PDX
2 stops28h 31m
United Airlines
Deal found 3/23$1,869
This United Airlines deal was found by Cheapflights users on 3/20. 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 5/225:15 am
PDX
-
GUM
2 stops19h 50m
United Airlines
Fri 6/57:05 am
GUM
-
PDX
2 stops22h 03m
United Airlines
Deal found 3/20$1,969
This United Airlines deal was found by Cheapflights users on 3/22. 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.
Sun 10/47:44 pm
PDX
-
GUM
2 stops29h 21m
United Airlines
Thu 10/87:10 am
GUM
-
PDX
2 stops18h 58m
United Airlines
Deal found 3/22$2,129
This United Airlines deal was found by Cheapflights users on 3/21. 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.
Mon 4/205:30 am
PDX
-
GUM
2 stops19h 35m
United Airlines
Tue 5/57:05 am
GUM
-
PDX
2 stops28h 41m
United Airlines
Deal found 3/21$2,139
This United Airlines deal was found by Cheapflights users on 3/24. 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 5/165:35 pm
PDX
-
GUM
2 stops55h 30m
United Airlines
Thu 5/287:05 am
GUM
-
PDX
2 stops22h 03m
United Airlines
Deal found 3/24$2,157
This United Airlines deal was found by Cheapflights users on 3/23. 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 10/173:30 pm
PDX
-
GUM
3 stops33h 35m
United Airlines
Wed 10/217:10 am
GUM
-
PDX
2 stops24h 07m
United Airlines
Deal found 3/23$2,179
This United Airlines deal was found by Cheapflights users on 3/24. 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 7/115:15 am
PDX
-
GUM
2 stops41h 35m
United Airlines
Sun 7/267:15 am
GUM
-
PDX
2 stops34h 35m
United Airlines
Deal found 3/24$2,222
This United Airlines deal was found by Cheapflights users on 3/20. 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 5/85:30 am
PDX
-
GUM
2 stops19h 35m
United Airlines
Fri 5/227:05 am
GUM
-
PDX
2 stops20h 15m
United Airlines
Deal found 3/20$2,229

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 March 25, 2026.

Round-trip from

$1,615
(Expedia)

One-way from

$733
(Kiwi.com)

Popular in

January

Cheapest in

September

Average price

$2,066
From Portland to Guam
Search Deals
One-way flight from Portland to Guam
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($273 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($96 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 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 March 25, 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 4/6

12:07 pm-11:55 pm

2 stops42h 48m

Tamuning Guam Intl

Wed 4/8

3:00 am-11:44 pm

2 stops37h 44m

$1,615

PortlandTamuning

PDX - GUM

PDXGUM

Portland

Mon 4/20

6:00 am-2:40 pm

2 stops39h 40m

Tamuning Guam Intl

Mon 4/27

4:40 pm-4:51 pm

2 stops41h 11m

$1,788

PortlandTamuning

PDX - GUM

PDXGUM

Portland

Fri 5/22

5:15 am-6:05 pm

2 stops19h 50m

Tamuning Guam Intl

Fri 6/5

7:05 am-12:08 pm

2 stops22h 03m

$1,969

PortlandTamuning

PDX - GUM

PDXGUM

Portland

Mon 4/20

5:30 am-6:05 pm

2 stops19h 35m

Tamuning Guam Intl

Tue 5/5

7:05 am-6:46 pm

2 stops28h 41m

$2,139

PortlandTamuning

PDX - GUM

PDXGUM

Portland

Sat 5/16

5:35 pm-6:05 pm

2 stops55h 30m

Tamuning Guam Intl

Thu 5/28

7:05 am-12:08 pm

2 stops22h 03m

$2,157
Quickest round-trip

PortlandTamuning

PDX - GUM

PDXGUM

Portland

Fri 5/8

5:30 am-6:05 pm

2 stops19h 35m

Tamuning Guam Intl

Fri 5/22

7:05 am-10:20 am

2 stops20h 15m

$2,229
Cheapest one-way

PortlandTamuning

PDX - GUM

PDXGUM

Portland

Mon 5/25

10:29 am-3:35 am

3 stops48h 06m

$787

PortlandTamuning

PDX - GUM

PDXGUM

Portland

Sat 5/23

9:46 pm-3:35 am

3 stops36h 49m

$1,032

PortlandTamuning

PDX - GUM

PDXGUM

Portland

Sun 3/29

12:07 pm-3:25 am

3 stops46h 18m

$1,038

PortlandTamuning

PDX - GUM

PDXGUM

Portland

Wed 4/1

10:30 am-4:20 am

3 stops48h 50m

$1,156

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/24

Showing 1-10 of 12 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

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 $1,649). 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 March 25, 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
9,478 reviews

Entertainment

7.1

Boarding

7.7

Comfort

7.3

Overall

7.4

Crew

8.1

Food

6.6

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.4
Good
9,478 reviews
United Airlines
7.4
Good
9,478 reviews

Entertainment

7.1

Boarding

7.7

Comfort

7.3

Overall

7.4

Crew

8.1

Food

6.6

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

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 50m. United Airlines provides one of the quickest options available for as low as $1,969. 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 $1,649). 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 March 25, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$1,817Average$2,174FlexibilityNo cancel feeOn-time69%

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