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Cheap flights from Portland to Tamuning from $1,819

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 4/27. 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 35m
2 stops
United Airlines Logo
7:05 am - 12:14 pm
GUM
-
PDX
22h 09m
2 stops
$1,819United Airlines
Mon, Apr 27 - Wed, May 27
United Airlines Logo
5:30 am - 4:25 am
PDX
-
GUM
29h 55m
3 stops
United Airlines Logo
7:05 am - 2:17 pm
GUM
-
PDX
24h 12m
2 stops
$1,842United Airlines
Thu, Apr 30 - Thu, May 28
United Airlines Logo
5:30 am - 6:05 pm
PDX
-
GUM
19h 35m
2 stops
United Airlines Logo
7:05 am - 9:08 am
GUM
-
PDX
19h 03m
2 stops
$1,869United Airlines
Mon, Apr 27 - Sat, May 30
United Airlines Logo
5:35 pm - 6:05 pm
PDX
-
GUM
31h 30m
2 stops
United Airlines Logo
7:05 am - 12:34 pm
GUM
-
PDX
22h 29m
2 stops
$1,885United Airlines
Wed, Apr 15 - Sat, May 2
United Airlines Logo
3:15 pm - 6:05 pm
PDX
-
GUM
33h 50m
2 stops
United Airlines Logo
7:05 am - 9:08 am
GUM
-
PDX
19h 03m
2 stops
$1,892United Airlines
Sun, May 3 - Sat, May 30
Delta Logo
5:30 am - 11:05 pm
PDX
-
GUM
23h 35m
2 stops
Delta Logo
4:50 pm - 11:59 pm
GUM
-
PDX
48h 09m
2 stops
$1,904Delta
Mon, Feb 9 - Sun, Mar 15
Delta Logo
1:30 pm - 11:05 pm
PDX
-
GUM
39h 35m
2 stops
Delta Logo
1:00 am - 4:56 pm
GUM
-
PDX
32h 56m
2 stops
$1,910Delta
Sun, Feb 8 - Wed, Mar 18
United Airlines Logo
5:30 am - 6:05 pm
PDX
-
GUM
19h 35m
2 stops
United Airlines Logo
7:05 am - 9:08 am
GUM
-
PDX
19h 03m
2 stops
$1,919United Airlines
Fri, May 1 - Tue, Jun 2
Delta Logo
5:30 am - 11:05 pm
PDX
-
GUM
23h 35m
2 stops
Delta Logo
1:00 am - 4:56 pm
GUM
-
PDX
32h 56m
2 stops
$1,954Delta
Mon, Feb 9 - Thu, Mar 19
Delta Logo
11:10 am - 11:05 pm
PDX
-
GUM
41h 55m
2 stops
Delta Logo
4:50 pm - 8:59 pm
GUM
-
PDX
45h 09m
2 stops
$1,960Delta
Sat, Feb 7 - Sun, Mar 15

United Airlines flights from Portland to Tamuning

Our best United Airlines deals on Portland to Tamuning flight tickets
United Airlines
Apr 27
PDX5:30 amPortland
19h 35m
2 stops
GUM6:05 pmTamuning Guam Intl
May 27
GUM7:05 amTamuning Guam Intl
22h 09m
2 stops
PDX12:14 pmPortland
$1,819
United Airlines
Apr 30
PDX5:30 amPortland
29h 55m
3 stops
GUM4:25 amTamuning Guam Intl
May 27
GUM7:05 amTamuning Guam Intl
28h 36m
2 stops
PDX6:41 pmPortland
$1,842
United Airlines
Apr 27
PDX5:30 amPortland
19h 35m
2 stops
GUM6:05 pmTamuning Guam Intl
Jun 2
GUM7:05 amTamuning Guam Intl
19h 03m
2 stops
PDX9:08 amPortland
$1,869

Delta flights from Portland to Tamuning

Our best Delta deals on Portland to Tamuning flight tickets
Delta
Feb 9
PDX9:20 amPortland
19h 45m
2 stops
GUM11:05 pmTamuning Guam Intl
Mar 17
GUM1:00 amTamuning Guam Intl
36h 59m
2 stops
PDX8:59 pmPortland
$1,904
Delta
Feb 8
PDX11:10 amPortland
41h 55m
2 stops
GUM11:05 pmTamuning Guam Intl
Mar 16
GUM1:00 amTamuning Guam Intl
32h 56m
2 stops
PDX4:56 pmPortland
$1,910
Delta
Feb 9
PDX5:30 amPortland
23h 35m
2 stops
GUM11:05 pmTamuning Guam Intl
Mar 19
GUM1:00 amTamuning Guam Intl
32h 56m
2 stops
PDX4:56 pmPortland
$1,954

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 19, 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

Mon 4/27

5:30 am-6:05 pm

2 stops19h 35m

Tamuning Guam Intl

Wed 5/27

7:05 am-12:14 pm

2 stops22h 09m

$1,819

PortlandTamuning

PDX - GUM

PDXGUM

Portland

Thu 4/30

5:30 am-4:25 am

3 stops29h 55m

Tamuning Guam Intl

Thu 5/28

7:05 am-2:17 pm

2 stops24h 12m

$1,842

PortlandTamuning

PDX - GUM

PDXGUM

Portland

Mon 4/27

5:30 am-6:05 pm

2 stops19h 35m

Tamuning Guam Intl

Sat 5/30

7:05 am-9:08 am

2 stops19h 03m

$1,869

PortlandTamuning

PDX - GUM

PDXGUM

Portland

Wed 4/15

5:35 pm-6:05 pm

2 stops31h 30m

Tamuning Guam Intl

Sat 5/2

7:05 am-12:34 pm

2 stops22h 29m

$1,885

PortlandTamuning

PDX - GUM

PDXGUM

Portland

Sun 5/3

3:15 pm-6:05 pm

2 stops33h 50m

Tamuning Guam Intl

Sat 5/30

7:05 am-9:08 am

2 stops19h 03m

$1,892

PortlandTamuning

PDX - GUM

PDXGUM

Portland

Mon 2/9

5:30 am-11:05 pm

2 stops23h 35m

Tamuning Guam Intl

Sun 3/15

4:50 pm-11:59 pm

2 stops48h 09m

$1,904

PortlandTamuning

PDX - GUM

PDXGUM

Portland

Sun 2/8

1:30 pm-11:05 pm

2 stops39h 35m

Tamuning Guam Intl

Wed 3/18

1:00 am-4:56 pm

2 stops32h 56m

$1,910

PortlandTamuning

PDX - GUM

PDXGUM

Portland

Fri 5/1

5:30 am-6:05 pm

2 stops19h 35m

Tamuning Guam Intl

Tue 6/2

7:05 am-9:08 am

2 stops19h 03m

$1,919

PortlandTamuning

PDX - GUM

PDXGUM

Portland

Mon 2/9

5:30 am-11:05 pm

2 stops23h 35m

Tamuning Guam Intl

Thu 3/19

1:00 am-4:56 pm

2 stops32h 56m

$1,954

PortlandTamuning

PDX - GUM

PDXGUM

Portland

Sat 2/7

11:10 am-11:05 pm

2 stops41h 55m

Tamuning Guam Intl

Sun 3/15

4:50 pm-8:59 pm

2 stops45h 09m

$1,960

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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
9,176 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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