What is the cheapest airline that flies from Portland to Tamuning Guam Intl?

Alaska Airlines and Delta are the most popular carriers operating from Portland to Tamuning Guam Intl

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 October 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.

$678 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.

6:08 am - 2:45 pmPDX Portland-GUM Tamuning Guam Intl

38h 37m2 stops Seattle/Tacoma Intl Tokyo Narita

4:50 pm - 7:53 pmGUM Tamuning Guam Intl-PDX Portland

45h 03m2 stops Incheon Intl Seattle/Tacoma Intl

$1,119Multiple Airlines

Mon, Nov 16 - Wed, Dec 2

9:30 pm - 1:00 amPDX Portland-GUM Tamuning Guam Intl

33h 30m2 stops Seattle/Tacoma Intl Incheon Intl

2:40 am - 4:48 pmGUM Tamuning Guam Intl-PDX Portland

32h 08m2 stops Incheon Intl Seattle/Tacoma Intl

$1,166Multiple Airlines

Thu, Dec 3 - Wed, Dec 9

8:22 am - 2:45 pmPDX Portland-GUM Tamuning Guam Intl

36h 23m2 stops Seattle/Tacoma Intl Tokyo Narita

4:45 pm - 8:54 pmGUM Tamuning Guam Intl-PDX Portland

46h 09m2 stops Tokyo Narita Seattle/Tacoma Intl

$1,166Alaska Airlines

Mon, Nov 30 - Mon, Dec 7

9:20 am - 2:45 pmPDX Portland-GUM Tamuning Guam Intl

35h 25m2 stops Seattle/Tacoma Intl Tokyo Narita

4:45 pm - 3:21 pmGUM Tamuning Guam Intl-PDX Portland

40h 36m2 stops Tokyo Narita Seattle/Tacoma Intl

$1,214Alaska Airlines

Mon, Nov 16 - Wed, Dec 2

12:06 pm - 2:45 pmPDX Portland-GUM Tamuning Guam Intl

56h 39m2 stops Seattle/Tacoma Intl Tokyo Narita

4:45 pm - 9:52 pmGUM Tamuning Guam Intl-PDX Portland

47h 07m2 stops Tokyo Narita Seattle/Tacoma Intl

$1,301Alaska Airlines

Tue, Dec 1 - Tue, Dec 8

7:30 am - 2:45 pmPDX Portland-GUM Tamuning Guam Intl

37h 15m2 stops Seattle/Tacoma Intl Tokyo Narita

4:45 pm - 5:50 pmGUM Tamuning Guam Intl-PDX Portland

43h 05m2 stops Tokyo Narita Seattle/Tacoma Intl

$1,333Alaska Airlines

Sun, Jan 10 - Thu, Jan 14

6:25 am - 2:45 pmPDX Portland-GUM Tamuning Guam Intl

38h 20m2 stops Seattle/Tacoma Intl Tokyo Narita

4:45 pm - 4:42 pmGUM Tamuning Guam Intl-PDX Portland

41h 57m2 stops Tokyo Narita Seattle/Tacoma Intl

$1,400Alaska Airlines

Sun, Jan 17 - Tue, Jan 26

6:25 am - 2:45 pmPDX Portland-GUM Tamuning Guam Intl

38h 20m2 stops Seattle/Tacoma Intl Tokyo Narita

4:45 pm - 6:50 pmGUM Tamuning Guam Intl-PDX Portland

44h 05m2 stops Tokyo Narita Seattle/Tacoma Intl

$1,400Alaska Airlines

Mon, Jan 18 - Tue, Jan 26

7:49 pm - 7:00 pmPDX Portland-GUM Tamuning Guam Intl

29h 11m2 stops San Francisco Honolulu

7:45 am - 6:31 pmGUM Tamuning Guam Intl-PDX Portland

27h 46m2 stops Honolulu San Francisco

$1,819United Airlines

Mon, Mar 1 - Mon, Mar 15

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

18h 00m2 stops San Francisco Honolulu

7:45 am - 2:36 pmGUM Tamuning Guam Intl-PDX Portland

24h 51m2 stops Honolulu San Francisco

$1,819United Airlines

Tue, Jan 19 - Wed, Jan 27

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Alaska Airlines flights from Portland to Tamuning

Our best Alaska Airlines deals on Portland to Tamuning flight tickets

Alaska Airlines

Nov 30

PDX8:22 amPortland

36h 23m

2 stops

GUM2:45 pmTamuning Guam Intl

Dec 7

GUM4:45 pmTamuning Guam Intl

46h 09m

2 stops

PDX8:54 pmPortland

$1,166

Alaska Airlines

Nov 16

PDX9:20 amPortland

35h 25m

2 stops

GUM2:45 pmTamuning Guam Intl

Dec 2

GUM4:45 pmTamuning Guam Intl

40h 36m

2 stops

PDX3:21 pmPortland

$1,214

Alaska Airlines

Dec 1

PDX12:06 pmPortland

56h 39m

2 stops

GUM2:45 pmTamuning Guam Intl

Dec 8

GUM4:45 pmTamuning Guam Intl

47h 07m

2 stops

PDX9:52 pmPortland

$1,301

United Airlines flights from Portland to Tamuning

Our best United Airlines deals on Portland to Tamuning flight tickets

United Airlines

Mar 1

PDX7:49 pmPortland

29h 11m

2 stops

GUM7:00 pmTamuning Guam Intl

Mar 15

GUM7:45 amTamuning Guam Intl

27h 46m

2 stops

PDX6:31 pmPortland

$1,819

United Airlines

Jan 17

PDX1:18 pmPortland

35h 42m

2 stops

GUM7:00 pmTamuning Guam Intl

Jan 27

GUM7:45 amTamuning Guam Intl

24h 51m

2 stops

PDX2:36 pmPortland

$1,835

United Airlines

Jan 18

PDX7:00 amPortland

18h 00m

2 stops

GUM7:00 pmTamuning Guam Intl

Jan 30

GUM7:45 amTamuning Guam Intl

22h 31m

2 stops

PDX12:16 pmPortland

$1,869

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandTamuning

PDX Portland - GUM Tamuning Guam Intl

PDXGUM

Portland

Mon 11/16

6:08 am-2:45 pm

2 stops38h 37m

Tamuning Guam Intl

Wed 12/2

4:50 pm-7:53 pm

2 stops45h 03m

$1,119

PortlandTamuning

PDX Portland - GUM Tamuning Guam Intl

PDXGUM

Portland

Thu 12/3

9:30 pm-1:00 am

2 stops33h 30m

Tamuning Guam Intl

Wed 12/9

2:40 am-4:48 pm

2 stops32h 08m

$1,166

PortlandTamuning

PDX Portland - GUM Tamuning Guam Intl

PDXGUM

Portland

Mon 11/30

8:22 am-2:45 pm

2 stops36h 23m

Tamuning Guam Intl

Mon 12/7

4:45 pm-8:54 pm

2 stops46h 09m

$1,166

PortlandTamuning

PDX Portland - GUM Tamuning Guam Intl

PDXGUM

Portland

Mon 11/16

9:20 am-2:45 pm

2 stops35h 25m

Tamuning Guam Intl

Wed 12/2

4:45 pm-3:21 pm

2 stops40h 36m

$1,214

PortlandTamuning

PDX Portland - GUM Tamuning Guam Intl

PDXGUM

Portland

Tue 12/1

12:06 pm-2:45 pm

2 stops56h 39m

Tamuning Guam Intl

Tue 12/8

4:45 pm-9:52 pm

2 stops47h 07m

$1,301

PortlandTamuning

PDX Portland - GUM Tamuning Guam Intl

PDXGUM

Portland

Sun 1/10

7:30 am-2:45 pm

2 stops37h 15m

Tamuning Guam Intl

Thu 1/14

4:45 pm-5:50 pm

2 stops43h 05m

$1,333

PortlandTamuning

PDX Portland - GUM Tamuning Guam Intl

PDXGUM

Portland

Sun 1/17

6:25 am-2:45 pm

2 stops38h 20m

Tamuning Guam Intl

Tue 1/26

4:45 pm-4:42 pm

2 stops41h 57m

$1,400

PortlandTamuning

PDX Portland - GUM Tamuning Guam Intl

PDXGUM

Portland

Mon 1/18

6:25 am-2:45 pm

2 stops38h 20m

Tamuning Guam Intl

Tue 1/26

4:45 pm-6:50 pm

2 stops44h 05m

$1,400

PortlandTamuning

PDX Portland - GUM Tamuning Guam Intl

PDXGUM

Portland

Mon 3/1

7:49 pm-7:00 pm

2 stops29h 11m

Tamuning Guam Intl

Mon 3/15

7:45 am-6:31 pm

2 stops27h 46m

$1,819

Quickest round-trip

PortlandTamuning

PDX Portland - GUM Tamuning Guam Intl

PDXGUM

Portland

Tue 1/19

7:00 am-7:00 pm

2 stops18h 00m

Tamuning Guam Intl

Wed 1/27

7:45 am-2:36 pm

2 stops24h 51m

$1,819

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 17 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

Prices

Airlines

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	$678
Fastest flight time	18h 00m
Direct flights	None

The best one-way flight to Tamuning from Portland in the past 72 hours is $678. The best round-trip flight deal from Portland to Tamuning found on momondo in the last 72 hours is $1,119.

The fastest flight from Portland to Tamuning takes 18h 00m

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 18h 00m.
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 October 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 7.3 10,388 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 $678

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 1/4. 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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Alaska Airlines flights from Portland to Tamuning

Our best Alaska Airlines deals on Portland to Tamuning flight tickets

United Airlines flights from Portland to Tamuning

Our best United Airlines deals on Portland to Tamuning flight tickets

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How to get the cheapest flight ticket from Portland to Tamuning

What is the cheapest month to fly to Tamuning?

What is the cheapest airline that flies from Portland to Tamuning Guam Intl?

When to book flights from Portland to Tamuning

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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