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Tamuning

$574+ 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 11/4. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — GUM
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
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 September 17, 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 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. 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 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 September 17, 2025.

This Delta deal was found by Cheapflights users on 9/17. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/129:15 amPDX - GUM
2 stops19h 50mDelta
Tue 11/181:00 amGUM - PDX
2 stops40h 56mDelta
Deal found 9/17$1,903
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 11/97:22 pmPDX - GUM
2 stops33h 43mDelta
Mon 11/171:00 amGUM - PDX
2 stops39h 41mDelta
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 stops23h 35mDelta
Sat 11/154:50 pmGUM - PDX
2 stops49h 08mDelta
Deal found 9/16$2,003
This Delta deal was found by Cheapflights users on 9/17. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/15:30 amPDX - GUM
2 stops24h 35mDelta
Fri 11/71:00 amGUM - PDX
2 stops39h 40mDelta
Deal found 9/17$2,118
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 9/15. 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 10/213:50 pmPDX - GUM
3 stops33h 15mUnited Airlines
Fri 11/77:40 amGUM - PDX
2 stops28h 56mUnited Airlines
Deal found 9/15$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 stops41h 00mDelta
Tue 9/235:00 pmGUM - PDX
2 stops41h 10mDelta
Deal found 9/15$2,215
This Delta deal was found by Cheapflights users on 9/17. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/75:30 amPDX - GUM
2 stops25h 40mDelta
Tue 10/145:00 pmGUM - PDX
2 stops43h 19mDelta
Deal found 9/17$2,253
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

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 September 17, 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

Mon 2/2

5:34 am-7:05 pm

2 stops19h 31m

Tamuning Guam Intl

Wed 2/25

7:40 am-2:48 pm

2 stops25h 08m

$1,817

PortlandTamuning

PDX - GUM

PDXGUM

Portland

Wed 11/12

7:15 am-2:35 pm

2 stops37h 20m

Tamuning Guam Intl

Wed 11/19

4:50 pm-7:19 pm

2 stops44h 29m

$1,903

PortlandTamuning

PDX - GUM

PDXGUM

Portland

Tue 10/21

5:40 am-3:15 pm

2 stops40h 35m

Tamuning Guam Intl

Thu 11/6

1:00 am-10:42 pm

2 stops39h 42m

$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

Thu 11/6

12:40 am-11:05 pm

2 stops28h 25m

$1,400

PortlandTamuning

PDX - GUM

PDXGUM

Portland

Tue 11/4

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 12 results
1
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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, January is the cheapest month in which you can book a flight from Portland to Tamuning (average of $1,977). Flying from Portland to Tamuning 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 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 September 17, 2025.

A simple way to save on the total cost of your ticket is to fly from Portland to Tamuning at noon. If you’re flexible enough to do this you can expect to save up to 4% on your trip compared to booking a flight in the morning.

How much does it cost to fly round-trip from Portland to Tamuning?

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 September 17, 2025.
See what other customers who have flown with Delta and 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.
Delta
8.0
Very good
7,961 reviews

Entertainment

7.9

Food

7.3

Comfort

7.9

Overall

8.0

Boarding

8.2

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
7,961 reviews
Delta
8.0
Very good
7,961 reviews

Entertainment

7.9

Food

7.3

Comfort

7.9

Overall

8.0

Boarding

8.2

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
8,926 reviews
Delta
8.0
Very good
7,961 reviews

Entertainment

7.9

Food

7.3

Comfort

7.9

Overall

8.0

Boarding

8.2

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 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 $1,817, United Airlines can have you in Tamuning from Portland in 19h 31m. 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 are the cheapest airlines flying 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 $1,078 on this airline. An additional option worth looking into is Delta, starting at $1,512. You may be able to fly from Portland to Tamuning for 48% less than the average price by searching for these airlines.

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

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 2 airlines flying from Portland to Tamuning

Discover the top 2 airlines 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 September 17, 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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