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Cheap flights from Portland to Tamuning from $1,165

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 9/20. 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
6:20 am - 2:35 pm
PDX
-
GUM
39h 15m
2 stops
Multiple Airlines Logo
4:35 pm - 4:50 pm
GUM
-
PDX
41h 15m
2 stops
$1,165Multiple Airlines
Sun, Sep 20 - Tue, Sep 29
Multiple Airlines Logo
8:06 am - 2:40 pm
PDX
-
GUM
37h 34m
2 stops
Multiple Airlines Logo
4:40 pm - 9:47 am
GUM
-
PDX
58h 07m
2 stops
$1,221Multiple Airlines
Sun, Oct 11 - Wed, Oct 21
Multiple Airlines Logo
5:41 pm - 2:40 pm
PDX
-
GUM
51h 59m
2 stops
Multiple Airlines Logo
4:40 pm - 5:00 pm
GUM
-
PDX
41h 20m
2 stops
$1,290Multiple Airlines
Fri, Oct 2 - Sat, Oct 10
Multiple Airlines Logo
5:07 am - 2:35 pm
PDX
-
GUM
40h 28m
2 stops
Multiple Airlines Logo
4:35 pm - 2:30 pm
GUM
-
PDX
38h 55m
2 stops
$1,645Multiple Airlines
Tue, Sep 8 - Fri, Sep 11
Multiple Airlines Logo
12:39 pm - 2:35 pm
PDX
-
GUM
56h 56m
2 stops
Multiple Airlines Logo
4:35 pm - 4:50 pm
GUM
-
PDX
41h 15m
2 stops
$1,698Multiple Airlines
Sat, Sep 19 - Thu, Sep 24
Multiple Airlines Logo
8:19 am - 2:35 pm
PDX
-
GUM
37h 16m
2 stops
Multiple Airlines Logo
4:35 pm - 7:50 pm
GUM
-
PDX
44h 15m
2 stops
$1,884Multiple Airlines
Wed, Aug 5 - Wed, Aug 19
Multiple Airlines Logo
9:19 am - 2:35 pm
PDX
-
GUM
36h 16m
2 stops
Multiple Airlines Logo
4:35 pm - 10:25 pm
GUM
-
PDX
46h 50m
2 stops
$2,087Multiple Airlines
Mon, Jul 20 - Mon, Jul 27
Delta Logo
11:15 am - 3:35 pm
PDX
-
GUM
35h 20m
2 stops
Delta Logo
2:00 am - 10:00 pm
GUM
-
PDX
37h 00m
2 stops
$2,113Delta
Mon, Jul 13 - Sun, Jul 19
United Airlines Logo
7:29 pm - 6:05 pm
PDX
-
GUM
29h 36m
2 stops
United Airlines Logo
7:10 am - 6:31 pm
GUM
-
PDX
28h 21m
2 stops
$2,129United Airlines
Sun, Oct 4 - Thu, Oct 8
United Airlines Logo
5:35 am - 7:00 pm
PDX
-
GUM
19h 25m
3 stops
United Airlines Logo
7:45 am - 2:27 pm
GUM
-
PDX
24h 42m
2 stops
$2,226United Airlines
Tue, Dec 15 - Tue, Jan 19

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United Airlines flights from Portland to Tamuning

Our best United Airlines deals on Portland to Tamuning flight tickets
United Airlines
Oct 4
PDX7:29 pmPortland
29h 36m
2 stops
GUM6:05 pmTamuning Guam Intl
Oct 8
GUM7:10 amTamuning Guam Intl
28h 21m
2 stops
PDX6:31 pmPortland
$2,129
United Airlines
Dec 15
PDX5:35 amPortland
19h 25m
3 stops
GUM7:00 pmTamuning Guam Intl
Jan 19
GUM7:45 amTamuning Guam Intl
24h 42m
2 stops
PDX2:27 pmPortland
$2,226
United Airlines
Sep 20
PDX5:30 amPortland
19h 35m
3 stops
GUM6:05 pmTamuning Guam Intl
Sep 29
GUM7:10 amTamuning Guam Intl
20h 05m
2 stops
PDX10:15 amPortland
$2,236

Delta flights from Portland to Tamuning

Our best Delta deals on Portland to Tamuning flight tickets
Delta
Jul 13
PDX11:15 amPortland
35h 20m
2 stops
GUM3:35 pmTamuning Guam Intl
Jul 19
GUM2:00 amTamuning Guam Intl
37h 00m
2 stops
PDX10:00 pmPortland
$2,113
Delta
Aug 6
PDX5:45 amPortland
40h 50m
2 stops
GUM3:35 pmTamuning Guam Intl
Aug 19
GUM2:00 amTamuning Guam Intl
37h 02m
2 stops
PDX10:02 pmPortland
$2,509
Delta
Jul 3
PDX5:50 pmPortland
37h 05m
2 stops
GUM11:55 pmTamuning Guam Intl
Jul 8
GUM2:00 amTamuning Guam Intl
38h 54m
2 stops
PDX11:54 pmPortland
$2,838

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 June 23, 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

Sun 9/20

6:20 am-2:35 pm

2 stops39h 15m

Tamuning Guam Intl

Tue 9/29

4:35 pm-4:50 pm

2 stops41h 15m

$1,165

PortlandTamuning

PDX - GUM

PDXGUM

Portland

Sun 10/11

8:06 am-2:40 pm

2 stops37h 34m

Tamuning Guam Intl

Wed 10/21

4:40 pm-9:47 am

2 stops58h 07m

$1,221

PortlandTamuning

PDX - GUM

PDXGUM

Portland

Fri 10/2

5:41 pm-2:40 pm

2 stops51h 59m

Tamuning Guam Intl

Sat 10/10

4:40 pm-5:00 pm

2 stops41h 20m

$1,290

PortlandTamuning

PDX - GUM

PDXGUM

Portland

Tue 9/8

5:07 am-2:35 pm

2 stops40h 28m

Tamuning Guam Intl

Fri 9/11

4:35 pm-2:30 pm

2 stops38h 55m

$1,645

PortlandTamuning

PDX - GUM

PDXGUM

Portland

Sat 9/19

12:39 pm-2:35 pm

2 stops56h 56m

Tamuning Guam Intl

Thu 9/24

4:35 pm-4:50 pm

2 stops41h 15m

$1,698

PortlandTamuning

PDX - GUM

PDXGUM

Portland

Wed 8/5

8:19 am-2:35 pm

2 stops37h 16m

Tamuning Guam Intl

Wed 8/19

4:35 pm-7:50 pm

2 stops44h 15m

$1,884

PortlandTamuning

PDX - GUM

PDXGUM

Portland

Mon 7/20

9:19 am-2:35 pm

2 stops36h 16m

Tamuning Guam Intl

Mon 7/27

4:35 pm-10:25 pm

2 stops46h 50m

$2,087

PortlandTamuning

PDX - GUM

PDXGUM

Portland

Mon 7/13

11:15 am-3:35 pm

2 stops35h 20m

Tamuning Guam Intl

Sun 7/19

2:00 am-10:00 pm

2 stops37h 00m

$2,113

PortlandTamuning

PDX - GUM

PDXGUM

Portland

Sun 10/4

7:29 pm-6:05 pm

2 stops29h 36m

Tamuning Guam Intl

Thu 10/8

7:10 am-6:31 pm

2 stops28h 21m

$2,129
Quickest round-trip

PortlandTamuning

PDX - GUM

PDXGUM

Portland

Tue 12/15

5:35 am-7:00 pm

3 stops19h 25m

Tamuning Guam Intl

Tue 1/19

7:45 am-2:27 pm

2 stops24h 42m

$2,226

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 typical price of a round-trip flight between Portland and Tamuning?

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

Fastest flight time

29h 11m

Direct flights

None
The fastest flight from Portland to Tamuning takes 29h 11m
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 29h 11m.

  • 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
9,875 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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