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

Alaska Airlines 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.

$800 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

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

5:41 pm - 3:35 pmPDX Portland-GUM Tamuning Guam Intl

52h 54m2 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

$1,215Multiple Airlines

Fri, Oct 2 - Thu, Oct 8

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

$1,327Multiple Airlines

Sun, Sep 13 - Wed, Sep 30

5:06 am - 3:35 pmPDX Portland-GUM Tamuning Guam Intl

41h 29m2 stops Seattle/Tacoma Intl Incheon Intl

5:20 pm - 11:02 pmGUM Tamuning Guam Intl-PDX Portland

46h 42m2 stops Incheon Intl Seattle/Tacoma Intl

$1,328Multiple Airlines

Sat, Oct 3 - Sat, Oct 10

8:08 am - 2:35 pmPDX Portland-GUM Tamuning Guam Intl

36h 27m2 stops Seattle/Tacoma Intl Tokyo Narita

4:35 pm - 12:22 pmGUM Tamuning Guam Intl-PDX Portland

37h 47m2 stops Tokyo Narita Seattle/Tacoma Intl

$1,329Alaska Airlines

Tue, Nov 3 - Mon, Dec 7

9:30 am - 2:35 pmPDX Portland-GUM Tamuning Guam Intl

36h 05m2 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

$1,438Multiple Airlines

Thu, Sep 3 - Thu, Sep 10

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

$1,438Multiple Airlines

Thu, Sep 3 - Thu, Sep 10

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

39h 15m2 stops Seattle/Tacoma Intl Tokyo Narita

4:35 pm - 10:01 pmGUM Tamuning Guam Intl-PDX Portland

46h 26m2 stops Tokyo Narita Seattle/Tacoma Intl

$1,447Multiple Airlines

Thu, Sep 3 - Thu, Sep 10

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

19h 25m2 stops San Francisco Honolulu

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

22h 40m2 stops Honolulu San Francisco

$1,819United Airlines

Tue, Nov 3 - Mon, Dec 7

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

20h 30m2 stops San Francisco Honolulu

7:45 am - 12:21 pmGUM Tamuning Guam Intl-PDX Portland

22h 36m2 stops Honolulu San Francisco

$1,819United Airlines

Mon, Oct 26 - Wed, Nov 4

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

19h 25m2 stops San Francisco Honolulu

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

22h 40m2 stops Honolulu San Francisco

$1,869United Airlines

Tue, Jan 5 - Tue, Jan 19

Cheap last minute flights

Enter your travel dates to find the best prices.

10:30 am - 2:35 pmPDX Portland-GUM Tamuning Guam Intl

35h 05m2 stops Seattle/Tacoma Intl Tokyo Narita

4:35 pm - 11:55 pmGUM Tamuning Guam Intl-PDX Portland

48h 20m2 stops Tokyo Narita Seattle/Tacoma Intl

$2,586Multiple Airlines

Mon, Aug 24 - Wed, Sep 2

7:05 am - 3:35 pmPDX Portland-GUM Tamuning Guam Intl

39h 30m2 stops Seattle/Tacoma Intl Incheon Intl

5:20 pm - 7:44 pmGUM Tamuning Guam Intl-PDX Portland

43h 24m2 stops Incheon Intl Seattle/Tacoma Intl

$2,716Delta

Sat, Aug 22 - Sat, Aug 29

7:15 pm - 6:05 pmPDX Portland-GUM Tamuning Guam Intl

53h 50m2 stops San Francisco Honolulu

7:45 am - 6:24 pmGUM Tamuning Guam Intl-PDX Portland

28h 39m2 stops Honolulu San Francisco

$2,860United Airlines

Sat, Aug 22 - Sat, Nov 7

7:00 am - 6:05 pmPDX Portland-GUM Tamuning Guam Intl

18h 05m2 stops San Francisco Honolulu

7:30 pm - 2:47 pmGUM Tamuning Guam Intl-PDX Portland

36h 17m2 stops Tokyo Haneda San Francisco

$2,904United Airlines

Sun, Aug 23 - Tue, Aug 25

7:00 am - 6:05 pmPDX Portland-GUM Tamuning Guam Intl

18h 05m2 stops San Francisco Honolulu

5:00 pm - 8:59 pmGUM Tamuning Guam Intl-PDX Portland

44h 59m2 stops Tokyo Narita San Francisco

$3,092United Airlines

Fri, Aug 21 - Sun, Aug 23

7:00 am - 9:45 pmPDX Portland-GUM Tamuning Guam Intl

21h 45m2 stops San Francisco Tokyo Narita

7:45 am - 10:18 amGUM Tamuning Guam Intl-PDX Portland

20h 33m3 stops Honolulu Kahului San Francisco

$3,112United Airlines

Sat, Aug 22 - Sat, Nov 7

5:30 am - 6:05 pmPDX Portland-GUM Tamuning Guam Intl

19h 35m3 stops San Francisco Kona Intl Honolulu

7:05 am - 12:00 pmGUM Tamuning Guam Intl-PDX Portland

21h 55m2 stops Honolulu San Francisco

$3,438United Airlines

Fri, Aug 21 - Sun, Aug 23

7:00 am - 6:05 pmPDX Portland-GUM Tamuning Guam Intl

18h 05m2 stops San Francisco Honolulu

7:05 am - 6:19 pmGUM Tamuning Guam Intl-PDX Portland

28h 14m3 stops Honolulu Denver Intl San Francisco

$3,610United Airlines

Mon, Aug 24 - Wed, Sep 2

5:30 am - 6:05 pmPDX Portland-GUM Tamuning Guam Intl

19h 35m3 stops San Francisco Kahului Honolulu

7:45 am - 10:18 amGUM Tamuning Guam Intl-PDX Portland

20h 33m3 stops Honolulu Kona Intl San Francisco

$3,837United Airlines

Sat, Aug 22 - Sat, Nov 7

5:30 am - 6:05 pmPDX Portland-GUM Tamuning Guam Intl

19h 35m3 stops San Francisco Kona Intl Honolulu

7:05 am - 10:11 amGUM Tamuning Guam Intl-PDX Portland

20h 06m2 stops Honolulu San Francisco

$11,227United Airlines

Sat, Aug 22 - Sat, Aug 29

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Alaska Airlines flights from Portland to Tamuning

Our best Alaska Airlines deals on Portland to Tamuning flight tickets

Alaska Airlines

Nov 3

PDX8:08 amPortland

36h 27m

2 stops

GUM2:35 pmTamuning Guam Intl

Dec 7

GUM4:35 pmTamuning Guam Intl

37h 47m

2 stops

PDX12:22 pmPortland

$1,329

Alaska Airlines

Dec 15

PDX9:40 amPortland

34h 55m

2 stops

GUM2:35 pmTamuning Guam Intl

Feb 1

GUM4:35 pmTamuning Guam Intl

38h 54m

2 stops

PDX1:29 pmPortland

$1,825

Alaska Airlines

Feb 6

PDX6:25 amPortland

38h 10m

2 stops

GUM2:35 pmTamuning Guam Intl

Feb 20

GUM4:35 pmTamuning Guam Intl

40h 20m

2 stops

PDX2:55 pmPortland

$1,831

United Airlines flights from Portland to Tamuning

Our best United Airlines deals on Portland to Tamuning flight tickets

United Airlines

Oct 26

PDX5:30 amPortland

20h 30m

2 stops

GUM7:00 pmTamuning Guam Intl

Nov 4

GUM7:45 amTamuning Guam Intl

22h 36m

2 stops

PDX12:21 pmPortland

$1,819

United Airlines

Dec 16

PDX7:49 pmPortland

29h 11m

2 stops

GUM7:00 pmTamuning Guam Intl

Jan 26

GUM7:45 amTamuning Guam Intl

22h 40m

2 stops

PDX12:25 pmPortland

$1,869

United Airlines

Dec 20

PDX1:41 pmPortland

35h 19m

2 stops

GUM7:00 pmTamuning Guam Intl

Jan 28

GUM7:45 amTamuning Guam Intl

30h 48m

2 stops

PDX8:33 pmPortland

$1,885

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandTamuning

PDX Portland - GUM Tamuning Guam Intl

PDXGUM

Portland

Fri 10/2

5:41 pm-3:35 pm

2 stops52h 54m

Tamuning Guam Intl

Thu 10/8

2:00 am-11:02 pm

2 stops38h 02m

$1,215

PortlandTamuning

PDX Portland - GUM Tamuning Guam Intl

PDXGUM

Portland

Sun 9/13

8:14 am-2:35 pm

2 stops37h 21m

Tamuning Guam Intl

Wed 9/30

4:35 pm-4:50 pm

2 stops41h 15m

$1,327

PortlandTamuning

PDX Portland - GUM Tamuning Guam Intl

PDXGUM

Portland

Sat 10/3

5:06 am-3:35 pm

2 stops41h 29m

Tamuning Guam Intl

Sat 10/10

5:20 pm-11:02 pm

2 stops46h 42m

$1,328

PortlandTamuning

PDX Portland - GUM Tamuning Guam Intl

PDXGUM

Portland

Tue 11/3

8:08 am-2:35 pm

2 stops36h 27m

Tamuning Guam Intl

Mon 12/7

4:35 pm-12:22 pm

2 stops37h 47m

$1,329

PortlandTamuning

PDX Portland - GUM Tamuning Guam Intl

PDXGUM

Portland

Thu 9/3

9:30 am-2:35 pm

2 stops36h 05m

Tamuning Guam Intl

Thu 9/10

4:35 pm-4:50 pm

2 stops41h 15m

$1,438

PortlandTamuning

PDX Portland - GUM Tamuning Guam Intl

PDXGUM

Portland

Thu 9/3

5:07 am-2:35 pm

2 stops40h 28m

Tamuning Guam Intl

Thu 9/10

4:35 pm-4:50 pm

2 stops41h 15m

$1,438

PortlandTamuning

PDX Portland - GUM Tamuning Guam Intl

PDXGUM

Portland

Thu 9/3

6:20 am-2:35 pm

2 stops39h 15m

Tamuning Guam Intl

Thu 9/10

4:35 pm-10:01 pm

2 stops46h 26m

$1,447

Quickest round-trip

PortlandTamuning

PDX Portland - GUM Tamuning Guam Intl

PDXGUM

Portland

Tue 11/3

5:35 am-7:00 pm

2 stops19h 25m

Tamuning Guam Intl

Mon 12/7

7:45 am-12:25 pm

2 stops22h 40m

$1,819

PortlandTamuning

PDX Portland - GUM Tamuning Guam Intl

PDXGUM

Portland

Mon 10/26

5:30 am-7:00 pm

2 stops20h 30m

Tamuning Guam Intl

Wed 11/4

7:45 am-12:21 pm

2 stops22h 36m

$1,819

PortlandTamuning

PDX Portland - GUM Tamuning Guam Intl

PDXGUM

Portland

Tue 1/5

5:35 am-7:00 pm

2 stops19h 25m

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 16 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 May 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 May, then book flights to Tamuning from Portland during June instead. Flights to Tamuning in June, while not as cheap as those in May, still average around $1,917.

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	$800
Fastest flight time	18h 05m
Direct flights	None

The best one-way flight to Tamuning from Portland in the past 72 hours is $800. The best round-trip flight deal from Portland to Tamuning found on momondo in the last 72 hours is $1,215.

The fastest flight from Portland to Tamuning takes 18h 05m

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 05m.
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 10,102 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.

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.

Start using Trips

Find my bookings

Get notified when prices go down

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

1 adult

Sat 9/19

Sat 9/26

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Guam

Airlines

Cabin classes

Other flights from Portland

Complete your trip

Feeling lucky

Fly your favorite airline to Tamuning

United Airlines

Cheap flights from Portland to Tamuning from $800

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 9/19. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Find the cheapest flights from Portland to Tamuning

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

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

momondo Fare Finder

Use the filters below to find and compare flights from Portland to Tamuning that are best for you.

See travel insights to Tamuning from

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.

Fly to other destinations from Portland

According to popular flight searches on momondo this year

Complete your trip to Tamuning

Explore popular destinations other users love

According to popular flight searches on momondo this year