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

Delta and United Airlines 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 August 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.

$651 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.

6:20 am - 2:35 pmPDX Portland-GUM Tamuning Guam Intl

39h 15m2 stops Seattle/Tacoma Intl Tokyo Narita

4:35 pm - 7:50 pmGUM Tamuning Guam Intl-PDX Portland

44h 15m2 stops Tokyo Narita Seattle/Tacoma Intl

$1,233Multiple Airlines

Tue, Sep 22 - Tue, Sep 29

8:09 am - 3:35 pmPDX Portland-GUM Tamuning Guam Intl

38h 26m2 stops Seattle/Tacoma Intl Incheon Intl

4:40 pm - 11:02 pmGUM Tamuning Guam Intl-PDX Portland

47h 22m2 stops Tokyo Narita Seattle/Tacoma Intl

$1,412Multiple Airlines

Thu, Oct 8 - Thu, Oct 15

3:48 pm - 3:35 pmPDX Portland-GUM Tamuning Guam Intl

54h 47m2 stops Seattle/Tacoma Intl Incheon Intl

2:00 am - 11:02 pmGUM Tamuning Guam Intl-PDX Portland

38h 02m2 stops Incheon Intl Seattle/Tacoma Intl

$1,431Multiple Airlines

Sat, Oct 10 - Fri, Oct 16

5:48 pm - 2:40 pmPDX Portland-GUM Tamuning Guam Intl

51h 52m2 stops Seattle/Tacoma Intl Tokyo Narita

4:35 pm - 9:56 pmGUM Tamuning Guam Intl-PDX Portland

46h 21m2 stops Tokyo Narita Seattle/Tacoma Intl

$1,533Alaska Airlines

Sat, Oct 17 - Mon, Oct 26

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

40h 28m2 stops Seattle/Tacoma Intl Tokyo Narita

4:35 pm - 10:58 pmGUM Tamuning Guam Intl-PDX Portland

47h 23m2 stops Tokyo Narita Seattle/Tacoma Intl

$1,577Multiple Airlines

Sun, Sep 13 - Thu, Sep 17

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

40h 28m2 stops Seattle/Tacoma Intl Tokyo Narita

4:35 pm - 10:58 pmGUM Tamuning Guam Intl-PDX Portland

47h 23m2 stops Tokyo Narita Seattle/Tacoma Intl

$1,646Multiple Airlines

Sun, Sep 13 - Thu, Sep 17

9:32 pm - 2:35 pmPDX Portland-GUM Tamuning Guam Intl

48h 03m2 stops Seattle/Tacoma Intl Tokyo Narita

4:35 pm - 11:20 amGUM Tamuning Guam Intl-PDX Portland

59h 45m2 stops Tokyo Narita Seattle/Tacoma Intl

$1,846Multiple Airlines

Wed, Sep 23 - Wed, Sep 30

7:16 pm - 7:00 pmPDX Portland-GUM Tamuning Guam Intl

29h 44m2 stops San Francisco Honolulu

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

28h 46m2 stops Honolulu San Francisco

$1,869United Airlines

Mon, Dec 21 - Thu, Jan 21

7:16 pm - 7:00 pmPDX Portland-GUM Tamuning Guam Intl

29h 44m2 stops San Francisco Honolulu

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

22h 40m2 stops Honolulu San Francisco

$1,869United Airlines

Mon, Dec 21 - Wed, Jan 20

7:16 pm - 7:00 pmPDX Portland-GUM Tamuning Guam Intl

29h 44m2 stops San Francisco Honolulu

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

22h 40m2 stops Honolulu San Francisco

$1,869United Airlines

Mon, Dec 21 - Tue, Jan 19

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Delta flights from Portland to Tamuning

Our best Delta deals on Portland to Tamuning flight tickets

Delta

Sep 5

PDX9:29 amPortland

37h 06m

2 stops

GUM3:35 pmTamuning Guam Intl

Sep 12

GUM5:20 pmTamuning Guam Intl

41h 56m

2 stops

PDX6:16 pmPortland

$2,214

Delta

Dec 20

PDX7:36 pmPortland

35h 24m

2 stops

GUM1:00 amTamuning Guam Intl

Jan 20

GUM2:40 amTamuning Guam Intl

32h 19m

2 stops

PDX4:59 pmPortland

$2,463

Delta

Dec 20

PDX7:36 pmPortland

35h 24m

2 stops

GUM1:00 amTamuning Guam Intl

Jan 21

GUM2:40 amTamuning Guam Intl

32h 19m

2 stops

PDX4:59 pmPortland

$2,513

United Airlines flights from Portland to Tamuning

Our best United Airlines deals on Portland to Tamuning flight tickets

United Airlines

Dec 21

PDX7:16 pmPortland

29h 44m

2 stops

GUM7:00 pmTamuning Guam Intl

Jan 20

GUM7:45 amTamuning Guam Intl

22h 40m

2 stops

PDX12:25 pmPortland

$1,869

United Airlines

Dec 15

PDX3:40 pmPortland

33h 20m

2 stops

GUM7:00 pmTamuning Guam Intl

Jan 25

GUM7:45 amTamuning Guam Intl

22h 40m

2 stops

PDX12:25 pmPortland

$1,885

United Airlines

Dec 21

PDX7:16 pmPortland

29h 44m

2 stops

GUM7:00 pmTamuning Guam Intl

Jan 24

GUM7:55 pmTamuning Guam Intl

42h 38m

2 stops

PDX8:33 pmPortland

$1,894

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandTamuning

PDX Portland - GUM Tamuning Guam Intl

PDXGUM

Portland

Tue 9/22

6:20 am-2:35 pm

2 stops39h 15m

Tamuning Guam Intl

Tue 9/29

4:35 pm-7:50 pm

2 stops44h 15m

$1,233

PortlandTamuning

PDX Portland - GUM Tamuning Guam Intl

PDXGUM

Portland

Thu 10/8

8:09 am-3:35 pm

2 stops38h 26m

Tamuning Guam Intl

Thu 10/15

4:40 pm-11:02 pm

2 stops47h 22m

$1,412

PortlandTamuning

PDX Portland - GUM Tamuning Guam Intl

PDXGUM

Portland

Sat 10/10

3:48 pm-3:35 pm

2 stops54h 47m

Tamuning Guam Intl

Fri 10/16

2:00 am-11:02 pm

2 stops38h 02m

$1,431

PortlandTamuning

PDX Portland - GUM Tamuning Guam Intl

PDXGUM

Portland

Sat 10/17

5:48 pm-2:40 pm

2 stops51h 52m

Tamuning Guam Intl

Mon 10/26

4:35 pm-9:56 pm

2 stops46h 21m

$1,533

PortlandTamuning

PDX Portland - GUM Tamuning Guam Intl

PDXGUM

Portland

Sun 9/13

5:07 am-2:35 pm

2 stops40h 28m

Tamuning Guam Intl

Thu 9/17

4:35 pm-10:58 pm

2 stops47h 23m

$1,577

PortlandTamuning

PDX Portland - GUM Tamuning Guam Intl

PDXGUM

Portland

Sun 9/13

5:07 am-2:35 pm

2 stops40h 28m

Tamuning Guam Intl

Thu 9/17

4:35 pm-10:58 pm

2 stops47h 23m

$1,646

PortlandTamuning

PDX Portland - GUM Tamuning Guam Intl

PDXGUM

Portland

Wed 9/23

9:32 pm-2:35 pm

2 stops48h 03m

Tamuning Guam Intl

Wed 9/30

4:35 pm-11:20 am

2 stops59h 45m

$1,846

PortlandTamuning

PDX Portland - GUM Tamuning Guam Intl

PDXGUM

Portland

Mon 12/21

7:16 pm-7:00 pm

2 stops29h 44m

Tamuning Guam Intl

Thu 1/21

7:45 am-6:31 pm

2 stops28h 46m

$1,869

Quickest round-trip

PortlandTamuning

PDX Portland - GUM Tamuning Guam Intl

PDXGUM

Portland

Mon 12/21

7:16 pm-7:00 pm

2 stops29h 44m

Tamuning Guam Intl

Wed 1/20

7:45 am-12:25 pm

2 stops22h 40m

$1,869

PortlandTamuning

PDX Portland - GUM Tamuning Guam Intl

PDXGUM

Portland

Mon 12/21

7:16 pm-7:00 pm

2 stops29h 44m

Tamuning Guam Intl

Tue 1/19

7:45 am-12:25 pm

2 stops22h 40m

$1,869

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 14 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	$651
Fastest flight time	35h 19m
Direct flights	None

The best one-way flight to Tamuning from Portland in the past 72 hours is $651. The best round-trip flight deal from Portland to Tamuning found on momondo in the last 72 hours is $1,233.

The fastest flight from Portland to Tamuning takes 35h 19m

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 35h 19m.
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 August 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 10,123 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 $651

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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Delta flights from Portland to Tamuning

Our best Delta 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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