When did momondo last update prices for flights from Portland Airport to Tamuning Guam Intl Airport?

Prices for flights from Portland Airport to Tamuning Guam Intl Airport refresh daily.

How many operators does momondo search for flights from Portland Airport to Tamuning Guam Intl Airport?

The number of operators available for flights from Portland Airport to Tamuning Guam Intl Airport is 1 as of September 2026.

How old do you have to be to fly from Portland Airport to Tamuning Guam Intl Airport?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Portland Airport to Tamuning Guam Intl Airport.

What documentation or ID do you need to fly to Tamuning Guam Intl Airport?

The required travel and health documents for your Tamuning Guam Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Tamuning Guam Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$577 Cheap Flights from Portland to Tamuning in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Portland to Tamuning

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

7:09 am - 2:35 pmPDX Portland-GUM Tamuning Guam Intl

38h 26m2 stops Seattle/Tacoma Intl Tokyo Narita

4:40 pm - 7:50 pmGUM Tamuning Guam Intl-PDX Portland

44h 10m2 stops Tokyo Narita Seattle/Tacoma Intl

$1,286Multiple Airlines

Sun, Sep 27 - Thu, Oct 1

7:09 am - 2:35 pmPDX Portland-GUM Tamuning Guam Intl

38h 26m2 stops Seattle/Tacoma Intl Tokyo Narita

4:40 pm - 9:47 amGUM Tamuning Guam Intl-PDX Portland

58h 07m2 stops Tokyo Narita Seattle/Tacoma Intl

$1,292Multiple Airlines

Sun, Sep 27 - Thu, Oct 1

5:07 am - 2:40 pmPDX Portland-GUM Tamuning Guam Intl

40h 33m2 stops Seattle/Tacoma Intl Tokyo Narita

4:40 pm - 8:28 amGUM Tamuning Guam Intl-PDX Portland

56h 48m2 stops Tokyo Narita Seattle/Tacoma Intl

$1,363Multiple Airlines

Tue, Sep 29 - Tue, Oct 6

6:07 am - 2:45 pmPDX Portland-GUM Tamuning Guam Intl

38h 38m2 stops Seattle/Tacoma Intl Tokyo Narita

4:45 pm - 2:55 pmGUM Tamuning Guam Intl-PDX Portland

39h 10m2 stops Tokyo Narita Seattle/Tacoma Intl

$1,493Alaska Airlines

Mon, Mar 1 - Mon, Mar 15

5:30 am - 7:00 pmPDX Portland-GUM Tamuning Guam Intl

19h 30m2 stops San Francisco Honolulu

7:45 am - 12:22 pmGUM Tamuning Guam Intl-PDX Portland

22h 37m2 stops Honolulu San Francisco

$1,819United Airlines

Wed, Nov 18 - Wed, Nov 25

5:07 am - 2:40 pmPDX Portland-GUM Tamuning Guam Intl

40h 33m2 stops Seattle/Tacoma Intl Tokyo Narita

4:40 pm - 8:28 amGUM Tamuning Guam Intl-PDX Portland

56h 48m2 stops Tokyo Narita Seattle/Tacoma Intl

$1,820Multiple Airlines

Tue, Sep 29 - Tue, Oct 6

7:30 am - 3:45 pmPDX Portland-GUM Tamuning Guam Intl

38h 15m2 stops San Francisco Osaka Kansai Intl

7:45 am - 6:20 pmGUM Tamuning Guam Intl-PDX Portland

28h 35m2 stops Honolulu San Francisco

$1,939United Airlines

Sat, Jan 16 - Sat, Jan 23

5:30 am - 7:00 pmPDX Portland-GUM Tamuning Guam Intl

19h 30m3 stops San Francisco Kahului Honolulu

7:45 am - 2:37 pmGUM Tamuning Guam Intl-PDX Portland

24h 52m2 stops Honolulu San Francisco

$2,195United Airlines

Wed, Nov 18 - Wed, Nov 25

5:35 am - 7:00 pmPDX Portland-GUM Tamuning Guam Intl

19h 25m3 stops San Francisco Kona Intl Honolulu

12:25 pm - 8:33 pmGUM Tamuning Guam Intl-PDX Portland

25h 08m2 stops Tokyo Narita San Francisco

$2,222United Airlines

Mon, Mar 1 - Mon, Mar 15

5:35 am - 7:00 pmPDX Portland-GUM Tamuning Guam Intl

19h 25m3 stops San Francisco Kahului Honolulu

7:45 am - 12:25 pmGUM Tamuning Guam Intl-PDX Portland

21h 40m3 stops Honolulu Kahului San Francisco

$2,469United Airlines

Mon, Mar 1 - Mon, Mar 15

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United Airlines flights from Portland to Tamuning

Our best United Airlines deals on Portland to Tamuning flight tickets

United Airlines

Nov 18

PDX5:30 amPortland

19h 30m

2 stops

GUM7:00 pmTamuning Guam Intl

Nov 25

GUM7:45 amTamuning Guam Intl

22h 37m

2 stops

PDX12:22 pmPortland

$1,819

United Airlines

Jan 16

PDX7:30 amPortland

38h 15m

2 stops

GUM3:45 pmTamuning Guam Intl

Jan 23

GUM7:45 amTamuning Guam Intl

28h 35m

2 stops

PDX6:20 pmPortland

$1,939

United Airlines

Nov 18

PDX5:30 amPortland

19h 30m

3 stops

GUM7:00 pmTamuning Guam Intl

Nov 25

GUM7:45 amTamuning Guam Intl

24h 52m

2 stops

PDX2:37 pmPortland

$2,195

Alaska Airlines flights from Portland to Tamuning

Our best Alaska Airlines deals on Portland to Tamuning flight tickets

Alaska Airlines

Mar 1

PDX6:07 amPortland

38h 38m

2 stops

GUM2:45 pmTamuning Guam Intl

Mar 15

GUM4:45 pmTamuning Guam Intl

39h 10m

2 stops

PDX2:55 pmPortland

$1,493

Alaska Airlines

Oct 13

PDX6:09 amPortland

39h 31m

2 stops

GUM2:40 pmTamuning Guam Intl

Oct 20

GUM4:40 pmTamuning Guam Intl

58h 07m

2 stops

PDX9:47 amPortland

$1,671

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandTamuning

PDX Portland - GUM Tamuning Guam Intl

PDXGUM

Portland

Sun 9/27

7:09 am-2:35 pm

2 stops38h 26m

Tamuning Guam Intl

Thu 10/1

4:40 pm-7:50 pm

2 stops44h 10m

$1,286

PortlandTamuning

PDX Portland - GUM Tamuning Guam Intl

PDXGUM

Portland

Sun 9/27

7:09 am-2:35 pm

2 stops38h 26m

Tamuning Guam Intl

Thu 10/1

4:40 pm-9:47 am

2 stops58h 07m

$1,292

PortlandTamuning

PDX Portland - GUM Tamuning Guam Intl

PDXGUM

Portland

Tue 9/29

5:07 am-2:40 pm

2 stops40h 33m

Tamuning Guam Intl

Tue 10/6

4:40 pm-8:28 am

2 stops56h 48m

$1,363

PortlandTamuning

PDX Portland - GUM Tamuning Guam Intl

PDXGUM

Portland

Mon 3/1

6:07 am-2:45 pm

2 stops38h 38m

Tamuning Guam Intl

Mon 3/15

4:45 pm-2:55 pm

2 stops39h 10m

$1,493

PortlandTamuning

PDX Portland - GUM Tamuning Guam Intl

PDXGUM

Portland

Wed 11/18

5:30 am-7:00 pm

2 stops19h 30m

Tamuning Guam Intl

Wed 11/25

7:45 am-12:22 pm

2 stops22h 37m

$1,819

PortlandTamuning

PDX Portland - GUM Tamuning Guam Intl

PDXGUM

Portland

Tue 9/29

5:07 am-2:40 pm

2 stops40h 33m

Tamuning Guam Intl

Tue 10/6

4:40 pm-8:28 am

2 stops56h 48m

$1,820

PortlandTamuning

PDX Portland - GUM Tamuning Guam Intl

PDXGUM

Portland

Sat 1/16

7:30 am-3:45 pm

2 stops38h 15m

Tamuning Guam Intl

Sat 1/23

7:45 am-6:20 pm

2 stops28h 35m

$1,939

PortlandTamuning

PDX Portland - GUM Tamuning Guam Intl

PDXGUM

Portland

Wed 11/18

5:30 am-7:00 pm

3 stops19h 30m

Tamuning Guam Intl

Wed 11/25

7:45 am-2:37 pm

2 stops24h 52m

$2,195

PortlandTamuning

PDX Portland - GUM Tamuning Guam Intl

PDXGUM

Portland

Mon 3/1

5:35 am-7:00 pm

3 stops19h 25m

Tamuning Guam Intl

Mon 3/15

12:25 pm-8:33 pm

2 stops25h 08m

$2,222

Quickest round-trip

PortlandTamuning

PDX Portland - GUM Tamuning Guam Intl

PDXGUM

Portland

Mon 3/1

5:35 am-7:00 pm

3 stops19h 25m

Tamuning Guam Intl

Mon 3/15

7:45 am-12:25 pm

3 stops21h 40m

$2,469

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 resultsSorted by cheapest first

How to get the cheapest flight ticket from Portland to Tamuning

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Tamuning?

The month of August is, on average, the cheapest month to fly to Tamuning from Portland, with most prices found around $0. If you aren’t able to travel during the month of August, then book flights to Tamuning from Portland during May instead. Flights to Tamuning in May, while not as cheap as those in August, still average around $0.

When to book flights from Portland to Tamuning

Are you open to changing your travel dates? Check out the ideal times to fly from Portland to Tamuning according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Portland to Tamuning (PDX to GUM) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Portland to Tamuning

Best Price Found	$577
Fastest flight time	19h 30m
Direct flights	None

The best one-way flight to Tamuning from Portland in the past 72 hours is $577. The best round-trip flight deal from Portland to Tamuning found on momondo in the last 72 hours is $1,286.

The fastest flight from Portland to Tamuning takes 19h 30m

There are no direct flights from Portland to Tamuning. There are no popular flight routes from Portland to Tamuning.

Search flight deals

Frequently asked questions about flying from Portland to Tamuning

How far is Portland to Tamuning Guam Intl by plane?
A flight from Portland to Tamuning Guam Intl will travel around 5673.6 mi. A reasonable flight in good conditions will take 19h 30m.
When did momondo last update prices for flights from Portland Airport to Tamuning Guam Intl Airport?
Prices for flights from Portland Airport to Tamuning Guam Intl Airport refresh daily.
How many operators does momondo search for flights from Portland Airport to Tamuning Guam Intl Airport?
The number of operators available for flights from Portland Airport to Tamuning Guam Intl Airport is 1 as of September 2026.
How old do you have to be to fly from Portland Airport to Tamuning Guam Intl Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Portland Airport to Tamuning Guam Intl Airport.
What documentation or ID do you need to fly to Tamuning Guam Intl Airport?
The required travel and health documents for your Tamuning Guam Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Tamuning Guam Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular airline from Portland to Tamuning?
momondo data reveals that the most frequently booked airline on the route from Portland to Tamuning is United Airlines, representing 100% of all bookings.

Best airlines flying from Portland to Tamuning

Compare and see reviews for airlines that fly from Portland to Tamuning with momondo

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $1,817	Free Cancellation	Rating 7.4 10,213 reviews		Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Portland to Tamuning?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Tamuning from Portland.

Can I find flights from Portland to Tamuning with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Tamuning from Portland with this policy.

How can momondo help me find flights from Portland to Tamuning?

momondo provides multiple filters to help you find the best flight to Tamuning from Portland. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Portland to Tamuning right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Tamuning from Portland. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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Cheap flights from Portland to Tamuning from $577

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Portland to Tamuning departing on 9/22. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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United Airlines flights from Portland to Tamuning

Our best United Airlines deals on Portland to Tamuning flight tickets

Alaska Airlines flights from Portland to Tamuning

Our best Alaska Airlines deals on Portland to Tamuning flight tickets

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Cheap Portland to Tamuning (PDX to GUM) flight deals and tips

Best Price Found

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Direct flights

Frequently asked questions about flying from Portland to Tamuning

Best airlines flying from Portland to Tamuning

Compare and see reviews for airlines that fly from Portland to Tamuning with momondo

Why use momondo?

An easier way to manage your Tamuning trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Guam

Fly your favorite airline to Tamuning

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Tamuning

List of cabin classes available on flights landing in Tamuning. Availability may vary depending on flight origin and airline.

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