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Tamuning

$1,400+ Cheap flights from Portland (PDX) to Tamuning (GUM)

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 11/19. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — GUM
Dec 2 — Dec 91
Tue 12/2
Tue 12/9
1 adult, Economy
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Cheap flight deals from Portland to Tamuning

Discover tips and strategies to find the most affordable flight options for your journey from Portland (PDX) to Tamuning (GUM). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated November 2, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$1,705
(Trip.com)

One-way from

$1,400
(Delta)

Popular in

August

Cheapest in

February

Average price

$2,174
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.
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From Portland to Tamuning Guam Intl
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One-way flight from Portland to Tamuning Guam Intl
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Highest demand for flights based on searches. 9% potential increase in price ($217 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($68 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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Find flight deals from Portland to Tamuning

Cheapest flights from Portland to Tamuning
Explore the most affordable flight options available from Portland to Tamuning. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 2, 2025.

This Trip.com deal was found by Cheapflights users on 11/1. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/1410:28 pmPDX - GUM
2 stops54h 37mMultiple Airlines
Thu 12/42:40 amGUM - PDX
2 stops48h 52mMultiple Airlines
Deal found 11/1$1,705
This Delta deal was found by Cheapflights users on 11/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/165:26 pmPDX - GUM
2 stops35h 39mDelta
Tue 12/21:00 amGUM - PDX
2 stops37h 52mDelta
Deal found 11/1$1,887
This Delta deal was found by Cheapflights users on 11/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/179:11 amPDX - GUM
2 stops19h 54mDelta
Sun 12/71:00 amGUM - PDX
2 stops37h 52mDelta
Deal found 11/1$1,903
This Delta deal was found by Cheapflights users on 11/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/167:59 pmPDX - GUM
2 stops33h 06mDelta
Fri 12/51:00 amGUM - PDX
2 stops37h 52mDelta
Deal found 11/1$1,937
This Delta deal was found by Cheapflights users on 11/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/155:30 amPDX - GUM
2 stops23h 35mDelta
Tue 12/21:00 amGUM - PDX
2 stops41h 16mDelta
Deal found 11/1$1,953
This Delta deal was found by Cheapflights users on 11/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/155:30 amPDX - GUM
2 stops23h 35mDelta
Sat 12/61:00 amGUM - PDX
2 stops39h 40mDelta
Deal found 11/1$2,003
This Delta deal was found by Cheapflights users on 10/31. 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 12/85:30 amPDX - GUM
2 stops23h 35mDelta
Mon 12/154:50 pmGUM - PDX
2 stops44h 00mDelta
Deal found 10/31$2,073
This United Airlines deal was found by Cheapflights users on 11/1. 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.
Tue 12/26:00 amPDX - GUM
3 stops42h 50mUnited Airlines
Tue 12/97:40 amGUM - PDX
2 stops29h 01mUnited Airlines
Deal found 11/1$2,153
This United Airlines deal was found by Cheapflights users on 10/31. 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 12/96:00 amPDX - GUM
2 stops18h 50mUnited Airlines
Tue 12/237:05 amGUM - PDX
2 stops25h 41mUnited Airlines
Deal found 10/31$2,213
This United Airlines deal was found by Cheapflights users on 10/31. 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 12/86:00 amPDX - GUM
3 stops42h 50mUnited Airlines
Mon 12/157:40 amGUM - PDX
2 stops21h 23mUnited Airlines
Deal found 10/31$2,218

Cheapflights Fare Finder

 
Customize your flight search to find flights from Portland to Tamuning 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 November 2, 2025.
Use the filters below to find and compare flights from Portland to Tamuning that are best for you.

Fly from

Portland

Fly to

Tamuning

Route

Depart

Return

Price

PortlandTamuning

PDX - GUM

PDXGUM

Portland

Fri 11/14

10:28 pm-11:05 pm

2 stops54h 37m

Tamuning Guam Intl

Thu 12/4

2:40 am-9:32 am

2 stops48h 52m

$1,705

PortlandTamuning

PDX - GUM

PDXGUM

Portland

Tue 1/20

5:35 am-7:05 pm

2 stops19h 30m

Tamuning Guam Intl

Tue 1/27

7:40 am-6:56 pm

2 stops29h 16m

$1,818

PortlandTamuning

PDX - GUM

PDXGUM

Portland

Mon 1/19

12:40 am-11:05 pm

2 stops28h 25m

Tamuning Guam Intl

Mon 1/26

1:00 am-6:50 pm

2 stops35h 50m

$1,853

PortlandTamuning

PDX - GUM

PDXGUM

Portland

Mon 11/17

2:23 pm-11:05 pm

2 stops38h 42m

Tamuning Guam Intl

Mon 12/1

1:00 am-10:40 pm

2 stops39h 40m

$1,887

PortlandTamuning

PDX - GUM

PDXGUM

Portland

Sun 11/16

5:26 pm-11:05 pm

2 stops35h 39m

Tamuning Guam Intl

Tue 12/2

1:00 am-8:52 pm

2 stops37h 52m

$1,887

PortlandTamuning

PDX - GUM

PDXGUM

Portland

Sun 11/16

12:35 am-11:05 pm

2 stops28h 30m

Tamuning Guam Intl

Wed 12/3

4:50 pm-12:16 am

2 stops49h 26m

$1,887

PortlandTamuning

PDX - GUM

PDXGUM

Portland

Sun 11/16

12:35 am-11:05 pm

2 stops28h 30m

Tamuning Guam Intl

Sun 12/7

1:00 am-1:13 pm

2 stops54h 13m

$1,887

PortlandTamuning

PDX - GUM

PDXGUM

Portland

Tue 12/2

7:15 am-11:05 pm

2 stops21h 50m

Tamuning Guam Intl

Mon 12/8

1:00 am-12:04 am

2 stops41h 04m

$1,903

PortlandTamuning

PDX - GUM

PDXGUM

Portland

Tue 11/18

5:30 am-11:05 pm

2 stops23h 35m

Tamuning Guam Intl

Wed 12/3

1:00 am-8:52 pm

2 stops37h 52m

$1,903

PortlandTamuning

PDX - GUM

PDXGUM

Portland

Thu 11/20

5:30 am-11:05 pm

2 stops23h 35m

$1,400

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/1

Showing 1-10 of 12 results
1
2

Compare providers for flights from Portland to Tamuning

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Portland to Tamuning in November.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Portland-Tamuning flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Portland-Tamuning flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Portland-Tamuning flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Portland-Tamuning flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Portland-Tamuning flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Portland to Tamuning

Have a flexible travel schedule? Discover the best time to fly to Tamuning 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 Tamuning

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

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

Find hourly flight availability from Portland to Tamuning. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 2, 2025.

A simple way to save on the total cost of your ticket is to fly from Portland to Tamuning 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 Tamuning

Get insights into the airlines that provide service to Tamuning. 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 Tamuning. Reviews last updated November 2, 2025.
See what other customers who have flown with United Airlines from Portland to Tamuning have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,997 reviews

Overall

7.4

Entertainment

7.1

Boarding

7.7

Comfort

7.3

Food

6.6

Crew

8.1

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
United Airlines
7.4
Good
8,997 reviews
United Airlines
7.4
Good
8,997 reviews

Overall

7.4

Entertainment

7.1

Boarding

7.7

Comfort

7.3

Food

6.6

Crew

8.1

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

Related info for your journey

Find useful and relevant information for your journey from Portland to Tamuning. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Portland to Tamuning?

    For as low as $1,818, United Airlines can have you in Tamuning from Portland in 19h 30m. Portland and Tamuning are separated by a distance of 5676 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What is the cheapest airline to fly from Portland to Tamuning round-trip?

    Our cheapest airline available from Portland to Tamuning is United Airlines. Our recent data shows that you can find tickets from as low as $1,602 on this airline. You may be able to fly from Portland to Tamuning for 24% less than the average price by searching for this airline.

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

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

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

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

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

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

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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Portland to Tamuning

See prices for flight routes from nearby airports that may be better suited for you.
Boise to Tamuning flights

Top airline flying from Portland to Tamuning

Discover the top airline that operate flights from Portland to Tamuning. 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 November 2, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$1,602Average$2,065FlexibilityNo cancel feeOn-time69%

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