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Cheap flights from Portland to Tamuning from $1,009

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 8/10. 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
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.
Multiple Airlines Logo
7:05 am - 2:35 pm
PDX
-
GUM
38h 30m
2 stops
Multiple Airlines Logo
4:40 pm - 9:59 pm
GUM
-
PDX
46h 19m
2 stops
$1,527Multiple Airlines
Sun, Sep 13 - Sat, Oct 10
Multiple Airlines Logo
7:05 am - 2:35 pm
PDX
-
GUM
38h 30m
2 stops
Multiple Airlines Logo
4:40 pm - 9:59 pm
GUM
-
PDX
46h 19m
2 stops
$1,734Multiple Airlines
Sun, Sep 13 - Fri, Oct 9
Multiple Airlines Logo
7:05 am - 2:35 pm
PDX
-
GUM
38h 30m
2 stops
Multiple Airlines Logo
4:40 pm - 5:00 pm
GUM
-
PDX
41h 20m
2 stops
$1,786Multiple Airlines
Sun, Sep 13 - Sat, Oct 10
United Airlines Logo
1:14 pm - 6:05 pm
PDX
-
GUM
59h 51m
2 stops
United Airlines Logo
7:30 pm - 8:54 pm
GUM
-
PDX
42h 24m
2 stops
$1,970United Airlines
Sat, Jul 11 - Sun, Jul 26
United Airlines Logo
11:09 am - 6:05 pm
PDX
-
GUM
37h 56m
2 stops
United Airlines Logo
7:05 am - 11:00 pm
GUM
-
PDX
32h 55m
2 stops
$2,003United Airlines
Sun, Aug 16 - Fri, Aug 28
United Airlines Logo
5:15 am - 4:20 am
PDX
-
GUM
30h 05m
3 stops
United Airlines Logo
7:30 pm - 8:54 pm
GUM
-
PDX
42h 24m
2 stops
$2,009United Airlines
Sat, Jul 11 - Sun, Jul 26
United Airlines Logo
8:35 am - 9:45 pm
PDX
-
GUM
20h 10m
2 stops
United Airlines Logo
7:05 am - 12:07 pm
GUM
-
PDX
22h 02m
2 stops
$2,045United Airlines
Sat, Aug 22 - Sat, Aug 29
Delta Logo
6:00 am - 11:55 pm
PDX
-
GUM
24h 55m
2 stops
Delta Logo
2:00 am - 11:44 pm
GUM
-
PDX
38h 44m
2 stops
$2,054Delta
Fri, Aug 21 - Thu, Aug 27
Delta Logo
6:00 am - 3:35 pm
PDX
-
GUM
40h 35m
2 stops
Delta Logo
2:00 am - 8:37 am
GUM
-
PDX
47h 37m
2 stops
$2,059Delta
Fri, Aug 21 - Thu, Aug 27
United Airlines Logo
6:54 am - 3:50 pm
PDX
-
GUM
39h 56m
2 stops
United Airlines Logo
5:00 pm - 2:47 pm
GUM
-
PDX
38h 47m
2 stops
$2,066United Airlines
Sat, Aug 22 - Sat, Aug 29

Delta flights from Portland to Tamuning

Our best Delta deals on Portland to Tamuning flight tickets
Delta
Aug 21
PDX6:00 amPortland
24h 55m
2 stops
GUM11:55 pmTamuning Guam Intl
Aug 27
GUM2:00 amTamuning Guam Intl
38h 44m
2 stops
PDX11:44 pmPortland
$2,054
Delta
Aug 21
PDX6:00 amPortland
40h 35m
2 stops
GUM3:35 pmTamuning Guam Intl
Aug 27
GUM2:00 amTamuning Guam Intl
47h 37m
2 stops
PDX8:37 amPortland
$2,059
Delta
Aug 23
PDX1:33 pmPortland
41h 22m
2 stops
GUM11:55 pmTamuning Guam Intl
Aug 30
GUM5:20 pmTamuning Guam Intl
47h 21m
2 stops
PDX11:41 pmPortland
$2,139

United Airlines flights from Portland to Tamuning

Our best United Airlines deals on Portland to Tamuning flight tickets
United Airlines
Jul 11
PDX1:14 pmPortland
59h 51m
2 stops
GUM6:05 pmTamuning Guam Intl
Jul 26
GUM7:30 pmTamuning Guam Intl
42h 24m
2 stops
PDX8:54 pmPortland
$1,970
United Airlines
Aug 16
PDX11:09 amPortland
37h 56m
2 stops
GUM6:05 pmTamuning Guam Intl
Aug 28
GUM7:05 amTamuning Guam Intl
32h 55m
2 stops
PDX11:00 pmPortland
$2,003
United Airlines
Jul 11
PDX5:15 amPortland
30h 05m
3 stops
GUM4:20 amTamuning Guam Intl
Jul 26
GUM7:30 pmTamuning Guam Intl
42h 24m
2 stops
PDX8:54 pmPortland
$2,009

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 May 9, 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 9/13

7:05 am-2:35 pm

2 stops38h 30m

Tamuning Guam Intl

Sat 10/10

4:40 pm-9:59 pm

2 stops46h 19m

$1,527

PortlandTamuning

PDX - GUM

PDXGUM

Portland

Sun 9/13

7:05 am-2:35 pm

2 stops38h 30m

Tamuning Guam Intl

Fri 10/9

4:40 pm-9:59 pm

2 stops46h 19m

$1,734

PortlandTamuning

PDX - GUM

PDXGUM

Portland

Sun 9/13

7:05 am-2:35 pm

2 stops38h 30m

Tamuning Guam Intl

Sat 10/10

4:40 pm-5:00 pm

2 stops41h 20m

$1,786

PortlandTamuning

PDX - GUM

PDXGUM

Portland

Sat 7/11

1:14 pm-6:05 pm

2 stops59h 51m

Tamuning Guam Intl

Sun 7/26

7:30 pm-8:54 pm

2 stops42h 24m

$1,970

PortlandTamuning

PDX - GUM

PDXGUM

Portland

Sun 8/16

11:09 am-6:05 pm

2 stops37h 56m

Tamuning Guam Intl

Fri 8/28

7:05 am-11:00 pm

2 stops32h 55m

$2,003

PortlandTamuning

PDX - GUM

PDXGUM

Portland

Sat 7/11

5:15 am-4:20 am

3 stops30h 05m

Tamuning Guam Intl

Sun 7/26

7:30 pm-8:54 pm

2 stops42h 24m

$2,009
Quickest round-trip

PortlandTamuning

PDX - GUM

PDXGUM

Portland

Sat 8/22

8:35 am-9:45 pm

2 stops20h 10m

Tamuning Guam Intl

Sat 8/29

7:05 am-12:07 pm

2 stops22h 02m

$2,045

PortlandTamuning

PDX - GUM

PDXGUM

Portland

Fri 8/21

6:00 am-11:55 pm

2 stops24h 55m

Tamuning Guam Intl

Thu 8/27

2:00 am-11:44 pm

2 stops38h 44m

$2,054

PortlandTamuning

PDX - GUM

PDXGUM

Portland

Fri 8/21

6:00 am-3:35 pm

2 stops40h 35m

Tamuning Guam Intl

Thu 8/27

2:00 am-8:37 am

2 stops47h 37m

$2,059

PortlandTamuning

PDX - GUM

PDXGUM

Portland

Sat 8/22

6:54 am-3:50 pm

2 stops39h 56m

Tamuning Guam Intl

Sat 8/29

5:00 pm-2:47 pm

2 stops38h 47m

$2,066

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 14 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 typical price of a round-trip flight between Portland and Tamuning?

What is the cheapest month to fly to Tamuning?

The month of June is, on average, the cheapest month to fly to Tamuning from Portland, with most prices found around $1,759. If you aren’t able to travel during the month of June, then book flights to Tamuning from Portland during May instead. Flights to Tamuning in May, while not as cheap as those in June, still average around $1,768.

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 50m

Direct flights

None
The fastest flight from Portland to Tamuning takes 19h 50m
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 50m.

  • 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
9,692 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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