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.

$1,164 Cheap Flights from Portland to Tamuning in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Portland to Tamuning

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

5:07 am - 2:35 pmPDX Portland-GUM Tamuning Guam Intl

40h 28m2 stops Seattle/Tacoma Intl Tokyo Narita

4:35 pm - 4:50 pmGUM Tamuning Guam Intl-PDX Portland

41h 15m2 stops Tokyo Narita Seattle/Tacoma Intl

$1,164Multiple Airlines

Tue, Sep 22 - Mon, Sep 28

3:00 pm - 2:35 pmPDX Portland-GUM Tamuning Guam Intl

54h 35m2 stops Seattle/Tacoma Intl Tokyo Narita

4:40 pm - 10:01 pmGUM Tamuning Guam Intl-PDX Portland

46h 21m2 stops Tokyo Narita Seattle/Tacoma Intl

$1,223Multiple Airlines

Sun, Sep 27 - Thu, Oct 1

5:07 am - 2:35 pmPDX Portland-GUM Tamuning Guam Intl

40h 28m2 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

$1,241Multiple Airlines

Mon, Sep 28 - Mon, Oct 5

9:59 pm - 2:45 pmPDX Portland-GUM Tamuning Guam Intl

46h 46m2 stops Seattle/Tacoma Intl Tokyo Narita

4:45 pm - 12:22 pmGUM Tamuning Guam Intl-PDX Portland

37h 37m2 stops Tokyo Narita Seattle/Tacoma Intl

$1,241Multiple Airlines

Tue, Dec 1 - Tue, Dec 8

5:19 am - 2:45 pmPDX Portland-GUM Tamuning Guam Intl

39h 26m2 stops Seattle/Tacoma Intl Tokyo Narita

4:45 pm - 4:37 pmGUM Tamuning Guam Intl-PDX Portland

41h 52m2 stops Tokyo Narita Seattle/Tacoma Intl

$1,281Alaska Airlines

Wed, Nov 25 - Mon, Dec 14

8:14 am - 2:35 pmPDX Portland-GUM Tamuning Guam Intl

37h 21m2 stops Seattle/Tacoma Intl Tokyo Narita

4:35 pm - 4:50 pmGUM Tamuning Guam Intl-PDX Portland

41h 15m2 stops Tokyo Narita Seattle/Tacoma Intl

$1,286Multiple Airlines

Tue, Sep 22 - Wed, Sep 30

5:07 am - 2:35 pmPDX Portland-GUM Tamuning Guam Intl

40h 28m2 stops Seattle/Tacoma Intl Tokyo Narita

4:35 pm - 8:18 amGUM Tamuning Guam Intl-PDX Portland

56h 43m2 stops Tokyo Narita Seattle/Tacoma Intl

$1,291Multiple Airlines

Wed, Sep 23 - Wed, Sep 30

11:03 am - 2:40 pmPDX Portland-GUM Tamuning Guam Intl

34h 37m2 stops Seattle/Tacoma Intl Tokyo Narita

4:45 pm - 11:02 pmGUM Tamuning Guam Intl-PDX Portland

47h 17m2 stops Tokyo Narita Seattle/Tacoma Intl

$1,331Multiple Airlines

Tue, Oct 20 - Mon, Oct 26

7:30 am - 4:20 pmPDX Portland-GUM Tamuning Guam Intl

38h 50m2 stops San Francisco Osaka Kansai Intl

7:45 am - 12:26 pmGUM Tamuning Guam Intl-PDX Portland

22h 41m2 stops Honolulu San Francisco

$1,889United Airlines

Thu, Jan 14 - Thu, Jan 21

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

19h 30m2 stops San Francisco Honolulu

7:55 pm - 12:54 amGUM Tamuning Guam Intl-PDX Portland

46h 59m2 stops Tokyo Haneda San Francisco

$1,944United Airlines

Sat, Dec 26 - Sun, Feb 14

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United Airlines flights from Portland to Tamuning

Our best United Airlines deals on Portland to Tamuning flight tickets

United Airlines

Jan 14

PDX7:30 amPortland

38h 50m

2 stops

GUM4:20 pmTamuning Guam Intl

Jan 21

GUM7:45 amTamuning Guam Intl

22h 41m

2 stops

PDX12:26 pmPortland

$1,889

United Airlines

Dec 26

PDX5:30 amPortland

19h 30m

2 stops

GUM7:00 pmTamuning Guam Intl

Feb 14

GUM7:55 pmTamuning Guam Intl

46h 59m

2 stops

PDX12:54 amPortland

$1,944

United Airlines

Dec 1

PDX5:30 amPortland

19h 30m

3 stops

GUM7:00 pmTamuning Guam Intl

Dec 8

GUM7:45 amTamuning Guam Intl

24h 51m

2 stops

PDX2:36 pmPortland

$2,176

Alaska Airlines flights from Portland to Tamuning

Our best Alaska Airlines deals on Portland to Tamuning flight tickets

Alaska Airlines

Nov 25

PDX5:19 amPortland

39h 26m

2 stops

GUM2:45 pmTamuning Guam Intl

Dec 14

GUM4:45 pmTamuning Guam Intl

41h 52m

2 stops

PDX4:37 pmPortland

$1,281

Alaska Airlines

Oct 19

PDX2:30 pmPortland

55h 10m

2 stops

GUM2:40 pmTamuning Guam Intl

Oct 26

GUM4:45 pmTamuning Guam Intl

46h 11m

2 stops

PDX9:56 pmPortland

$1,670

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandTamuning

PDX Portland - GUM Tamuning Guam Intl

PDXGUM

Portland

Tue 9/22

5:07 am-2:35 pm

2 stops40h 28m

Tamuning Guam Intl

Mon 9/28

4:35 pm-4:50 pm

2 stops41h 15m

$1,164

PortlandTamuning

PDX Portland - GUM Tamuning Guam Intl

PDXGUM

Portland

Sun 9/27

3:00 pm-2:35 pm

2 stops54h 35m

Tamuning Guam Intl

Thu 10/1

4:40 pm-10:01 pm

2 stops46h 21m

$1,223

PortlandTamuning

PDX Portland - GUM Tamuning Guam Intl

PDXGUM

Portland

Mon 9/28

5:07 am-2:35 pm

2 stops40h 28m

Tamuning Guam Intl

Mon 10/5

4:40 pm-8:28 am

2 stops56h 48m

$1,241

PortlandTamuning

PDX Portland - GUM Tamuning Guam Intl

PDXGUM

Portland

Tue 12/1

9:59 pm-2:45 pm

2 stops46h 46m

Tamuning Guam Intl

Tue 12/8

4:45 pm-12:22 pm

2 stops37h 37m

$1,241

PortlandTamuning

PDX Portland - GUM Tamuning Guam Intl

PDXGUM

Portland

Wed 11/25

5:19 am-2:45 pm

2 stops39h 26m

Tamuning Guam Intl

Mon 12/14

4:45 pm-4:37 pm

2 stops41h 52m

$1,281

PortlandTamuning

PDX Portland - GUM Tamuning Guam Intl

PDXGUM

Portland

Tue 9/22

8:14 am-2:35 pm

2 stops37h 21m

Tamuning Guam Intl

Wed 9/30

4:35 pm-4:50 pm

2 stops41h 15m

$1,286

PortlandTamuning

PDX Portland - GUM Tamuning Guam Intl

PDXGUM

Portland

Wed 9/23

5:07 am-2:35 pm

2 stops40h 28m

Tamuning Guam Intl

Wed 9/30

4:35 pm-8:18 am

2 stops56h 43m

$1,291

PortlandTamuning

PDX Portland - GUM Tamuning Guam Intl

PDXGUM

Portland

Tue 10/20

11:03 am-2:40 pm

2 stops34h 37m

Tamuning Guam Intl

Mon 10/26

4:45 pm-11:02 pm

2 stops47h 17m

$1,331

Quickest round-trip

PortlandTamuning

PDX Portland - GUM Tamuning Guam Intl

PDXGUM

Portland

Thu 1/14

7:30 am-4:20 pm

2 stops38h 50m

Tamuning Guam Intl

Thu 1/21

7:45 am-12:26 pm

2 stops22h 41m

$1,889

PortlandTamuning

PDX Portland - GUM Tamuning Guam Intl

PDXGUM

Portland

Sat 12/26

5:30 am-7:00 pm

2 stops19h 30m

Tamuning Guam Intl

Sun 2/14

7:55 pm-12:54 am

2 stops46h 59m

$1,944

Flights are sorted by cheapest round-trip flights first.

Sorted 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	$1,164
Fastest flight time	37h 29m
Direct flights	None

The best flight deal from Portland to Tamuning found on momondo in the last 72 hours is $1,164

The fastest flight from Portland to Tamuning takes 37h 29m

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 37h 29m.
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 10,171 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 $1,164

This is the cheapest round-trip 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

Fastest flight time

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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