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Cheap flights from Portland to Tamuning from $851

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 7/16. 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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Find the cheapest flights from Portland to Tamuning

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
9:19 am - 2:35 pm
PDX
-
GUM
36h 16m
2 stops
Multiple Airlines Logo
4:35 pm - 7:37 am
GUM
-
PDX
56h 02m
2 stops
$1,756Multiple Airlines
Sat, Jun 27 - Mon, Jul 6
Multiple Airlines Logo
5:30 pm - 2:35 pm
PDX
-
GUM
52h 05m
2 stops
Multiple Airlines Logo
4:35 pm - 7:37 am
GUM
-
PDX
56h 02m
2 stops
$1,763Multiple Airlines
Fri, Jun 26 - Mon, Jul 6
Delta Logo
3:00 pm - 11:55 pm
PDX
-
GUM
39h 55m
2 stops
Delta Logo
5:20 pm - 5:14 pm
GUM
-
PDX
40h 54m
2 stops
$1,959Delta
Sun, Aug 23 - Sun, Sep 6
United Airlines Logo
3:43 pm - 6:05 pm
PDX
-
GUM
57h 22m
2 stops
United Airlines Logo
7:05 am - 10:11 am
GUM
-
PDX
20h 06m
2 stops
$1,997United Airlines
Sat, Aug 22 - Sat, Sep 5
United Airlines Logo
5:30 am - 3:50 pm
PDX
-
GUM
41h 20m
2 stops
United Airlines Logo
7:15 am - 9:03 pm
GUM
-
PDX
30h 48m
2 stops
$2,052United Airlines
Sat, Aug 22 - Sat, Aug 29
United Airlines Logo
5:30 am - 6:05 pm
PDX
-
GUM
19h 35m
2 stops
United Airlines Logo
5:00 pm - 12:34 am
GUM
-
PDX
48h 34m
2 stops
$2,053United Airlines
Sun, Aug 16 - Sat, Aug 22
United Airlines Logo
5:35 am - 6:50 pm
PDX
-
GUM
19h 15m
2 stops
United Airlines Logo
7:25 am - 8:33 pm
GUM
-
PDX
31h 08m
2 stops
$2,129United Airlines
Thu, Nov 5 - Mon, Nov 9
Multiple Airlines Logo
5:30 pm - 2:35 pm
PDX
-
GUM
52h 05m
2 stops
Multiple Airlines Logo
4:35 pm - 10:25 pm
GUM
-
PDX
46h 50m
2 stops
$2,138Multiple Airlines
Fri, Jun 26 - Fri, Jul 3
Multiple Airlines Logo
5:30 pm - 2:35 pm
PDX
-
GUM
52h 05m
2 stops
Multiple Airlines Logo
4:35 pm - 10:25 pm
GUM
-
PDX
46h 50m
2 stops
$2,157Multiple Airlines
Wed, Jun 24 - Wed, Jul 1
United Airlines Logo
5:30 am - 6:05 pm
PDX
-
GUM
19h 35m
2 stops
United Airlines Logo
7:10 am - 11:55 am
GUM
-
PDX
21h 45m
2 stops
$2,179United Airlines
Tue, Oct 6 - Fri, Oct 9

United Airlines flights from Portland to Tamuning

Our best United Airlines deals on Portland to Tamuning flight tickets
United Airlines
Aug 22
PDX3:43 pmPortland
57h 22m
2 stops
GUM6:05 pmTamuning Guam Intl
Sep 5
GUM7:05 amTamuning Guam Intl
20h 06m
2 stops
PDX10:11 amPortland
$1,997
United Airlines
Aug 22
PDX5:30 amPortland
41h 20m
2 stops
GUM3:50 pmTamuning Guam Intl
Aug 29
GUM7:15 amTamuning Guam Intl
30h 48m
2 stops
PDX9:03 pmPortland
$2,052
United Airlines
Aug 16
PDX5:30 amPortland
19h 35m
2 stops
GUM6:05 pmTamuning Guam Intl
Aug 22
GUM5:00 pmTamuning Guam Intl
48h 34m
2 stops
PDX12:34 amPortland
$2,053

Delta flights from Portland to Tamuning

Our best Delta deals on Portland to Tamuning flight tickets
Delta
Aug 23
PDX3:00 pmPortland
39h 55m
2 stops
GUM11:55 pmTamuning Guam Intl
Sep 6
GUM5:20 pmTamuning Guam Intl
40h 54m
2 stops
PDX5:14 pmPortland
$1,959
Delta
Jun 9
PDX6:00 amPortland
24h 55m
2 stops
GUM11:55 pmTamuning Guam Intl
Jun 11
GUM2:00 amTamuning Guam Intl
38h 46m
2 stops
PDX11:46 pmPortland
$2,854
Delta
Jun 1
PDX7:00 pmPortland
51h 35m
2 stops
GUM3:35 pmTamuning Guam Intl
Jun 12
GUM5:20 pmTamuning Guam Intl
40h 49m
2 stops
PDX5:09 pmPortland
$2,860

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 28, 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

Sat 6/27

9:19 am-2:35 pm

2 stops36h 16m

Tamuning Guam Intl

Mon 7/6

4:35 pm-7:37 am

2 stops56h 02m

$1,756

PortlandTamuning

PDX - GUM

PDXGUM

Portland

Fri 6/26

5:30 pm-2:35 pm

2 stops52h 05m

Tamuning Guam Intl

Mon 7/6

4:35 pm-7:37 am

2 stops56h 02m

$1,763

PortlandTamuning

PDX - GUM

PDXGUM

Portland

Sun 8/23

3:00 pm-11:55 pm

2 stops39h 55m

Tamuning Guam Intl

Sun 9/6

5:20 pm-5:14 pm

2 stops40h 54m

$1,959

PortlandTamuning

PDX - GUM

PDXGUM

Portland

Sat 8/22

3:43 pm-6:05 pm

2 stops57h 22m

Tamuning Guam Intl

Sat 9/5

7:05 am-10:11 am

2 stops20h 06m

$1,997

PortlandTamuning

PDX - GUM

PDXGUM

Portland

Sat 8/22

5:30 am-3:50 pm

2 stops41h 20m

Tamuning Guam Intl

Sat 8/29

7:15 am-9:03 pm

2 stops30h 48m

$2,052

PortlandTamuning

PDX - GUM

PDXGUM

Portland

Sun 8/16

5:30 am-6:05 pm

2 stops19h 35m

Tamuning Guam Intl

Sat 8/22

5:00 pm-12:34 am

2 stops48h 34m

$2,053

PortlandTamuning

PDX - GUM

PDXGUM

Portland

Thu 11/5

5:35 am-6:50 pm

2 stops19h 15m

Tamuning Guam Intl

Mon 11/9

7:25 am-8:33 pm

2 stops31h 08m

$2,129

PortlandTamuning

PDX - GUM

PDXGUM

Portland

Fri 6/26

5:30 pm-2:35 pm

2 stops52h 05m

Tamuning Guam Intl

Fri 7/3

4:35 pm-10:25 pm

2 stops46h 50m

$2,138

PortlandTamuning

PDX - GUM

PDXGUM

Portland

Wed 6/24

5:30 pm-2:35 pm

2 stops52h 05m

Tamuning Guam Intl

Wed 7/1

4:35 pm-10:25 pm

2 stops46h 50m

$2,157
Quickest round-trip

PortlandTamuning

PDX - GUM

PDXGUM

Portland

Tue 10/6

5:30 am-6:05 pm

2 stops19h 35m

Tamuning Guam Intl

Fri 10/9

7:10 am-11:55 am

2 stops21h 45m

$2,179

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 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

18h 05m

Direct flights

None
The fastest flight from Portland to Tamuning takes 18h 05m
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 18h 05m.

  • 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
9,751 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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Sat 6/27
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