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Cheap flights from Portland to Tamuning from $686

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 2/20. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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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.
Multiple Airlines Logo
3:52 pm - 2:35 pm
PDX
-
GUM
53h 43m
2 stops
Multiple Airlines Logo
4:35 pm - 9:38 pm
GUM
-
PDX
46h 03m
2 stops
$1,694Multiple Airlines
Tue, Mar 10 - Tue, Mar 17
Delta Logo
5:02 pm - 11:55 pm
PDX
-
GUM
37h 53m
2 stops
Delta Logo
5:00 pm - 8:59 pm
GUM
-
PDX
44h 59m
2 stops
$1,909Delta
Sat, Mar 28 - Sun, Apr 5
United Airlines Logo
6:00 pm - 6:05 pm
PDX
-
GUM
31h 05m
2 stops
United Airlines Logo
7:05 am - 12:14 pm
GUM
-
PDX
22h 09m
2 stops
$1,919United Airlines
Tue, Jul 14 - Wed, Jul 22
United Airlines Logo
5:30 am - 4:20 am
PDX
-
GUM
29h 50m
3 stops
United Airlines Logo
7:05 am - 12:14 pm
GUM
-
PDX
22h 09m
2 stops
$1,942United Airlines
Wed, Jul 15 - Wed, Jul 22
United Airlines Logo
5:30 am - 9:45 pm
PDX
-
GUM
23h 15m
3 stops
United Airlines Logo
7:05 am - 4:54 pm
GUM
-
PDX
26h 49m
2 stops
$1,945United Airlines
Wed, Jul 15 - Wed, Jul 22
United Airlines Logo
7:44 pm - 6:05 pm
PDX
-
GUM
29h 21m
2 stops
United Airlines Logo
7:05 am - 12:14 pm
GUM
-
PDX
22h 09m
2 stops
$1,969United Airlines
Sun, Jul 12 - Fri, Jul 24
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
$2,019United Airlines
Fri, Jul 17 - Fri, Jul 24
United Airlines Logo
8:46 am - 9:45 pm
PDX
-
GUM
19h 59m
2 stops
United Airlines Logo
1:00 pm - 2:17 pm
GUM
-
PDX
18h 17m
2 stops
$2,064United Airlines
Sat, Jul 18 - Sat, Jul 25
United Airlines Logo
8:46 am - 9:45 pm
PDX
-
GUM
19h 59m
2 stops
United Airlines Logo
5:00 pm - 2:17 pm
GUM
-
PDX
38h 17m
2 stops
$2,072United Airlines
Sat, Jul 18 - Fri, Jul 24
Delta Logo
11:10 am - 3:15 pm
PDX
-
GUM
35h 05m
2 stops
Delta Logo
5:00 pm - 11:53 pm
GUM
-
PDX
47h 53m
2 stops
$2,134Delta
Mon, Jul 13 - Sun, Jul 19

United Airlines flights from Portland to Tamuning

Our best United Airlines deals on Portland to Tamuning flight tickets
United Airlines
May 12
PDX5:30 amPortland
19h 35m
2 stops
GUM6:05 pmTamuning Guam Intl
Jun 16
GUM7:05 amTamuning Guam Intl
22h 09m
2 stops
PDX12:14 pmPortland
$1,869
United Airlines
May 12
PDX5:30 amPortland
29h 55m
3 stops
GUM4:25 amTamuning Guam Intl
Jun 17
GUM7:05 amTamuning Guam Intl
22h 09m
2 stops
PDX12:14 pmPortland
$1,892
United Airlines
Jul 15
PDX5:30 amPortland
19h 35m
2 stops
GUM6:05 pmTamuning Guam Intl
Jul 22
GUM7:05 amTamuning Guam Intl
30h 40m
2 stops
PDX8:45 pmPortland
$1,919

Delta flights from Portland to Tamuning

Our best Delta deals on Portland to Tamuning flight tickets
Delta
Feb 24
PDX5:30 amPortland
23h 35m
2 stops
GUM11:05 pmTamuning Guam Intl
Mar 2
GUM1:00 amTamuning Guam Intl
35h 48m
2 stops
PDX6:48 pmPortland
$1,904
Delta
Mar 16
PDX7:05 amPortland
38h 30m
2 stops
GUM2:35 pmTamuning Guam Intl
Apr 2
GUM3:00 amTamuning Guam Intl
37h 59m
2 stops
PDX11:59 pmPortland
$1,954
Delta
Mar 7
PDX5:30 amPortland
23h 35m
2 stops
GUM11:05 pmTamuning Guam Intl
Mar 11
GUM1:00 amTamuning Guam Intl
36h 58m
2 stops
PDX8:58 pmPortland
$2,154

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 26, 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

Tue 3/10

3:52 pm-2:35 pm

2 stops53h 43m

Tamuning Guam Intl

Tue 3/17

4:35 pm-9:38 pm

2 stops46h 03m

$1,694

PortlandTamuning

PDX - GUM

PDXGUM

Portland

Sat 3/28

5:02 pm-11:55 pm

2 stops37h 53m

Tamuning Guam Intl

Sun 4/5

5:00 pm-8:59 pm

2 stops44h 59m

$1,909

PortlandTamuning

PDX - GUM

PDXGUM

Portland

Tue 7/14

6:00 pm-6:05 pm

2 stops31h 05m

Tamuning Guam Intl

Wed 7/22

7:05 am-12:14 pm

2 stops22h 09m

$1,919

PortlandTamuning

PDX - GUM

PDXGUM

Portland

Wed 7/15

5:30 am-4:20 am

3 stops29h 50m

Tamuning Guam Intl

Wed 7/22

7:05 am-12:14 pm

2 stops22h 09m

$1,942

PortlandTamuning

PDX - GUM

PDXGUM

Portland

Wed 7/15

5:30 am-9:45 pm

3 stops23h 15m

Tamuning Guam Intl

Wed 7/22

7:05 am-4:54 pm

2 stops26h 49m

$1,945

PortlandTamuning

PDX - GUM

PDXGUM

Portland

Sun 7/12

7:44 pm-6:05 pm

2 stops29h 21m

Tamuning Guam Intl

Fri 7/24

7:05 am-12:14 pm

2 stops22h 09m

$1,969

PortlandTamuning

PDX - GUM

PDXGUM

Portland

Fri 7/17

5:30 am-6:05 pm

2 stops19h 35m

Tamuning Guam Intl

Fri 7/24

7:05 am-12:14 pm

2 stops22h 09m

$2,019

PortlandTamuning

PDX - GUM

PDXGUM

Portland

Sat 7/18

8:46 am-9:45 pm

2 stops19h 59m

Tamuning Guam Intl

Sat 7/25

1:00 pm-2:17 pm

2 stops18h 17m

$2,064

PortlandTamuning

PDX - GUM

PDXGUM

Portland

Sat 7/18

8:46 am-9:45 pm

2 stops19h 59m

Tamuning Guam Intl

Fri 7/24

5:00 pm-2:17 pm

2 stops38h 17m

$2,072

PortlandTamuning

PDX - GUM

PDXGUM

Portland

Mon 7/13

11:10 am-3:15 pm

2 stops35h 05m

Tamuning Guam Intl

Sun 7/19

5:00 pm-11:53 pm

2 stops47h 53m

$2,134

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 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
9,199 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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