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Cheap flights from Portland to Tamuning from $566

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 9/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Portland to Tamuning

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
5:41 pm - 2:35 pm
PDX
-
GUM
51h 54m
2 stops
Multiple Airlines Logo
5:20 pm - 10:01 pm
GUM
-
PDX
45h 41m
2 stops
$1,202Multiple Airlines
Tue, Sep 1 - Tue, Sep 8
Multiple Airlines Logo
7:09 am - 2:35 pm
PDX
-
GUM
38h 26m
2 stops
Multiple Airlines Logo
4:40 pm - 9:56 pm
GUM
-
PDX
46h 16m
2 stops
$1,353Multiple Airlines
Tue, Sep 22 - Thu, Oct 8
Multiple Airlines Logo
5:41 pm - 2:35 pm
PDX
-
GUM
51h 54m
2 stops
Multiple Airlines Logo
4:35 pm - 10:01 pm
GUM
-
PDX
46h 26m
2 stops
$1,632Multiple Airlines
Wed, Sep 9 - Wed, Sep 16
Multiple Airlines Logo
5:41 pm - 2:35 pm
PDX
-
GUM
51h 54m
2 stops
Multiple Airlines Logo
4:35 pm - 6:38 pm
GUM
-
PDX
43h 03m
2 stops
$1,719Multiple Airlines
Tue, Sep 8 - Fri, Sep 25
Alaska Airlines Logo
7:10 am - 2:35 pm
PDX
-
GUM
37h 25m
2 stops
Alaska Airlines Logo
4:35 pm - 12:22 pm
GUM
-
PDX
37h 47m
2 stops
$1,724Alaska Airlines
Tue, Dec 15 - Tue, Jan 26
Alaska Airlines Logo
5:00 am - 2:35 pm
PDX
-
GUM
39h 35m
2 stops
Alaska Airlines Logo
4:35 pm - 9:13 pm
GUM
-
PDX
46h 38m
2 stops
$1,724Alaska Airlines
Tue, Dec 15 - Mon, Feb 1
Alaska Airlines Logo
5:00 am - 2:35 pm
PDX
-
GUM
39h 35m
2 stops
Alaska Airlines Logo
4:35 pm - 9:13 pm
GUM
-
PDX
46h 38m
2 stops
$1,724Alaska Airlines
Tue, Dec 15 - Sat, Jan 30
Alaska Airlines Logo
5:00 am - 2:35 pm
PDX
-
GUM
39h 35m
2 stops
Alaska Airlines Logo
4:35 pm - 9:13 pm
GUM
-
PDX
46h 38m
2 stops
$1,774Alaska Airlines
Tue, Dec 15 - Wed, Jan 27
United Airlines Logo
7:49 pm - 7:00 pm
PDX
-
GUM
29h 11m
2 stops
United Airlines Logo
7:45 am - 6:31 pm
GUM
-
PDX
28h 46m
2 stops
$1,869United Airlines
Wed, Dec 16 - Thu, Jan 28
United Airlines Logo
7:49 pm - 7:00 pm
PDX
-
GUM
29h 11m
2 stops
United Airlines Logo
7:45 am - 12:25 pm
GUM
-
PDX
22h 40m
2 stops
$1,869United Airlines
Wed, Dec 16 - Mon, Jan 18

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Delta flights from Portland to Tamuning

Our best Delta deals on Portland to Tamuning flight tickets
Delta
Dec 22
PDX7:40 pmPortland
35h 20m
2 stops
GUM1:00 amTamuning Guam Intl
Jan 18
GUM4:50 pmTamuning Guam Intl
41h 37m
2 stops
PDX4:27 pmPortland
$1,976
Delta
Dec 22
PDX7:40 pmPortland
35h 20m
2 stops
GUM1:00 amTamuning Guam Intl
Jan 16
GUM4:50 pmTamuning Guam Intl
43h 53m
2 stops
PDX6:43 pmPortland
$2,026
Delta
Sep 5
PDX6:00 amPortland
40h 35m
2 stops
GUM3:35 pmTamuning Guam Intl
Sep 25
GUM5:20 pmTamuning Guam Intl
46h 11m
2 stops
PDX10:31 pmPortland
$2,109

United Airlines flights from Portland to Tamuning

Our best United Airlines deals on Portland to Tamuning flight tickets
United Airlines
Dec 16
PDX7:49 pmPortland
29h 11m
2 stops
GUM7:00 pmTamuning Guam Intl
Jan 18
GUM7:45 amTamuning Guam Intl
22h 40m
2 stops
PDX12:25 pmPortland
$1,869
United Airlines
Dec 16
PDX7:49 pmPortland
29h 11m
2 stops
GUM7:00 pmTamuning Guam Intl
Jan 17
GUM7:55 pmTamuning Guam Intl
42h 38m
2 stops
PDX8:33 pmPortland
$1,894
United Airlines
Dec 16
PDX7:49 pmPortland
29h 11m
2 stops
GUM7:00 pmTamuning Guam Intl
Jan 14
GUM7:45 amTamuning Guam Intl
30h 48m
2 stops
PDX8:33 pmPortland
$1,919

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 August 3, 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

Cheapest round-trip

PortlandTamuning

PDX - GUM

PDXGUM

Portland

Tue 9/1

5:41 pm-2:35 pm

2 stops51h 54m

Tamuning Guam Intl

Tue 9/8

5:20 pm-10:01 pm

2 stops45h 41m

$1,202

PortlandTamuning

PDX - GUM

PDXGUM

Portland

Tue 9/22

7:09 am-2:35 pm

2 stops38h 26m

Tamuning Guam Intl

Thu 10/8

4:40 pm-9:56 pm

2 stops46h 16m

$1,353

PortlandTamuning

PDX - GUM

PDXGUM

Portland

Wed 9/9

5:41 pm-2:35 pm

2 stops51h 54m

Tamuning Guam Intl

Wed 9/16

4:35 pm-10:01 pm

2 stops46h 26m

$1,632

PortlandTamuning

PDX - GUM

PDXGUM

Portland

Tue 9/8

5:41 pm-2:35 pm

2 stops51h 54m

Tamuning Guam Intl

Fri 9/25

4:35 pm-6:38 pm

2 stops43h 03m

$1,719

PortlandTamuning

PDX - GUM

PDXGUM

Portland

Tue 12/15

7:10 am-2:35 pm

2 stops37h 25m

Tamuning Guam Intl

Tue 1/26

4:35 pm-12:22 pm

2 stops37h 47m

$1,724

PortlandTamuning

PDX - GUM

PDXGUM

Portland

Tue 12/15

5:00 am-2:35 pm

2 stops39h 35m

Tamuning Guam Intl

Mon 2/1

4:35 pm-9:13 pm

2 stops46h 38m

$1,724

PortlandTamuning

PDX - GUM

PDXGUM

Portland

Tue 12/15

5:00 am-2:35 pm

2 stops39h 35m

Tamuning Guam Intl

Sat 1/30

4:35 pm-9:13 pm

2 stops46h 38m

$1,724

PortlandTamuning

PDX - GUM

PDXGUM

Portland

Tue 12/15

5:00 am-2:35 pm

2 stops39h 35m

Tamuning Guam Intl

Wed 1/27

4:35 pm-9:13 pm

2 stops46h 38m

$1,774

PortlandTamuning

PDX - GUM

PDXGUM

Portland

Wed 12/16

7:49 pm-7:00 pm

2 stops29h 11m

Tamuning Guam Intl

Thu 1/28

7:45 am-6:31 pm

2 stops28h 46m

$1,869
Quickest round-trip

PortlandTamuning

PDX - GUM

PDXGUM

Portland

Wed 12/16

7:49 pm-7:00 pm

2 stops29h 11m

Tamuning Guam Intl

Mon 1/18

7:45 am-12:25 pm

2 stops22h 40m

$1,869

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 18 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 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 September instead. Flights to Tamuning in September, while not as cheap as those in May, 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 24m

Direct flights

None
The fastest flight from Portland to Tamuning takes 19h 24m
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 19h 24m.

  • 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 $1,817Free CancellationRating
7.4
10,058 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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