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Cheap flights from Portland to Tamuning from $554

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 1/24. 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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0 bags

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Find the cheapest flights from Portland to Tamuning

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
5:30 am - 6:05 pm
PDX
-
GUM
19h 35m2 stops
United Airlines Logo
7:05 am - 4:33 pm
GUM
-
PDX
26h 28m2 stops
$1,819United Airlines
Thu, Apr 2 - Tue, Apr 21
United Airlines Logo
1:39 pm - 6:05 pm
PDX
-
GUM
35h 26m2 stops
United Airlines Logo
7:05 am - 2:31 pm
GUM
-
PDX
24h 26m2 stops
$1,835United Airlines
Sun, Apr 5 - Thu, Apr 16
United Airlines Logo
7:14 pm - 6:05 pm
PDX
-
GUM
53h 51m2 stops
United Airlines Logo
7:05 am - 12:26 pm
GUM
-
PDX
22h 21m2 stops
$1,846United Airlines
Sat, Apr 4 - Thu, Apr 16
Delta Logo
6:05 am - 3:15 pm
PDX
-
GUM
40h 10m2 stops
Delta Logo
5:00 pm - 5:03 pm
GUM
-
PDX
41h 03m2 stops
$1,854Delta
Thu, Apr 2 - Sun, Apr 19
United Airlines Logo
7:14 pm - 6:05 pm
PDX
-
GUM
29h 51m2 stops
United Airlines Logo
7:30 pm - 8:48 pm
GUM
-
PDX
42h 18m2 stops
$1,858United Airlines
Sun, Apr 5 - Sun, Apr 19
United Airlines Logo
5:30 am - 6:05 pm
PDX
-
GUM
19h 35m2 stops
United Airlines Logo
7:05 am - 12:26 pm
GUM
-
PDX
22h 21m2 stops
$1,869United Airlines
Fri, Apr 3 - Wed, Apr 22
United Airlines Logo
7:14 pm - 6:05 pm
PDX
-
GUM
29h 51m2 stops
United Airlines Logo
7:05 am - 12:26 pm
GUM
-
PDX
22h 21m2 stops
$1,885United Airlines
Sun, Apr 5 - Fri, Apr 17
United Airlines Logo
5:30 am - 6:50 pm
PDX
-
GUM
20h 20m2 stops
United Airlines Logo
7:25 am - 11:04 pm
GUM
-
PDX
32h 39m2 stops
$1,892United Airlines
Thu, Mar 19 - Fri, Mar 27
United Airlines Logo
7:14 pm - 6:05 pm
PDX
-
GUM
53h 51m2 stops
United Airlines Logo
7:05 am - 12:26 pm
GUM
-
PDX
22h 21m2 stops
$1,896United Airlines
Sat, Apr 4 - Sat, Apr 18
Delta Logo
12:40 am - 11:05 pm
PDX
-
GUM
28h 25m2 stops
Delta Logo
1:00 am - 6:50 pm
GUM
-
PDX
35h 50m2 stops
$1,904Delta
Tue, Jan 27 - Tue, Feb 10

United Airlines flights from Portland to Tamuning

Our best United Airlines deals on Portland to Tamuning flight tickets
United Airlines
Apr 2
PDX5:30 amPortland
19h 35m
2 stops
GUM6:05 pmTamuning Guam Intl
Apr 21
GUM7:05 amTamuning Guam Intl
26h 28m
2 stops
PDX4:33 pmPortland
$1,819
Find similar
United Airlines
Apr 5
PDX1:39 pmPortland
35h 26m
2 stops
GUM6:05 pmTamuning Guam Intl
Apr 16
GUM7:05 amTamuning Guam Intl
24h 26m
2 stops
PDX2:31 pmPortland
$1,835
Find similar
United Airlines
Apr 4
PDX7:14 pmPortland
53h 51m
2 stops
GUM6:05 pmTamuning Guam Intl
Apr 16
GUM7:05 amTamuning Guam Intl
22h 21m
2 stops
PDX12:26 pmPortland
$1,846
Find similar

Delta flights from Portland to Tamuning

Our best Delta deals on Portland to Tamuning flight tickets
Delta
Apr 2
PDX6:05 amPortland
40h 10m
2 stops
GUM3:15 pmTamuning Guam Intl
Apr 19
GUM5:00 pmTamuning Guam Intl
41h 03m
2 stops
PDX5:03 pmPortland
$1,854
Find similar
Delta
Jan 27
PDX12:40 amPortland
28h 25m
2 stops
GUM11:05 pmTamuning Guam Intl
Feb 10
GUM1:00 amTamuning Guam Intl
35h 50m
2 stops
PDX6:50 pmPortland
$1,904
Find similar
Delta
Jan 16
PDX5:00 pmPortland
36h 05m
2 stops
GUM11:05 pmTamuning Guam Intl
Jan 19
GUM1:00 amTamuning Guam Intl
40h 55m
2 stops
PDX11:55 pmPortland
$2,566
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Portland to Tamuning that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated January 5, 2026.
Use the filters below to find and compare flights from Portland to Tamuning that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PortlandTamuning

PDX - GUM

PDXGUM

Portland

Thu 4/2

5:30 am-6:05 pm

2 stops19h 35m

Tamuning Guam Intl

Tue 4/21

7:05 am-4:33 pm

2 stops26h 28m

$1,819

PortlandTamuning

PDX - GUM

PDXGUM

Portland

Sun 4/5

1:39 pm-6:05 pm

2 stops35h 26m

Tamuning Guam Intl

Thu 4/16

7:05 am-2:31 pm

2 stops24h 26m

$1,835

PortlandTamuning

PDX - GUM

PDXGUM

Portland

Sat 4/4

7:14 pm-6:05 pm

2 stops53h 51m

Tamuning Guam Intl

Thu 4/16

7:05 am-12:26 pm

2 stops22h 21m

$1,846

PortlandTamuning

PDX - GUM

PDXGUM

Portland

Thu 4/2

6:05 am-3:15 pm

2 stops40h 10m

Tamuning Guam Intl

Sun 4/19

5:00 pm-5:03 pm

2 stops41h 03m

$1,854

PortlandTamuning

PDX - GUM

PDXGUM

Portland

Sun 4/5

7:14 pm-6:05 pm

2 stops29h 51m

Tamuning Guam Intl

Sun 4/19

7:30 pm-8:48 pm

2 stops42h 18m

$1,858

PortlandTamuning

PDX - GUM

PDXGUM

Portland

Fri 4/3

5:30 am-6:05 pm

2 stops19h 35m

Tamuning Guam Intl

Wed 4/22

7:05 am-12:26 pm

2 stops22h 21m

$1,869

PortlandTamuning

PDX - GUM

PDXGUM

Portland

Sun 4/5

7:14 pm-6:05 pm

2 stops29h 51m

Tamuning Guam Intl

Fri 4/17

7:05 am-12:26 pm

2 stops22h 21m

$1,885

PortlandTamuning

PDX - GUM

PDXGUM

Portland

Thu 3/19

5:30 am-6:50 pm

2 stops20h 20m

Tamuning Guam Intl

Fri 3/27

7:25 am-11:04 pm

2 stops32h 39m

$1,892

PortlandTamuning

PDX - GUM

PDXGUM

Portland

Sat 4/4

7:14 pm-6:05 pm

2 stops53h 51m

Tamuning Guam Intl

Sat 4/18

7:05 am-12:26 pm

2 stops22h 21m

$1,896

PortlandTamuning

PDX - GUM

PDXGUM

Portland

Tue 1/27

12:40 am-11:05 pm

2 stops28h 25m

Tamuning Guam Intl

Tue 2/10

1:00 am-6:50 pm

2 stops35h 50m

$1,904

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 resultsSorted by cheapest first
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See travel insights to Tamuning from

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 February is, on average, the cheapest month to fly to Tamuning from Portland, with most prices found around $797. If you aren’t able to travel during the month of February, then book flights to Tamuning from Portland during September instead. Flights to Tamuning in September, while not as cheap as those in February, still average around $1,914.

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

Fastest flight time

19h 35m

Direct flights

None
The fastest flight from Portland to Tamuning takes 19h 35m
There are no direct flights from Portland to Tamuning. There are no popular flight routes from Portland to Tamuning.
Search flight deals

  • 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 35m.

  • 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?

  • 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?

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 AirlinesPriceFrom $1,602Free CancellationRating
7.4
9,138 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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