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Cheap flights from Portland to Tamuning from $574

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 11/4. 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

United Airlines Logo
8:15 am - 6:50 pmPDX-GUM
17h 35m2 stops
United Airlines Logo
7:25 am - 12:19 amGUM-PDX
33h 54m3 stops
$1,817United Airlines
Find Deal
Tue, Mar 10 - Tue, Mar 17
Delta Logo
12:55 am - 11:05 pmPDX-GUM
29h 10m2 stops
Delta Logo
4:50 pm - 7:11 pmGUM-PDX
43h 21m2 stops
$1,853Delta
Find Deal
Mon, Mar 9 - Tue, Mar 17
Delta Logo
12:40 am - 12:10 amPDX-GUM
30h 30m2 stops
Delta Logo
1:00 am - 10:42 pmGUM-PDX
39h 42m2 stops
$1,953Delta
Find Deal
Mon, Oct 20 - Thu, Nov 6
United Airlines Logo
3:50 pm - 6:05 pmPDX-GUM
33h 15m3 stops
United Airlines Logo
7:40 am - 6:36 pmGUM-PDX
28h 56m2 stops
$2,203United Airlines
Find Deal
Tue, Oct 21 - Fri, Nov 7
Delta Logo
7:59 pm - 12:10 amPDX-GUM
35h 11m2 stops
Delta Logo
1:55 am - 7:19 pmGUM-PDX
34h 24m2 stops
$2,271Delta
Find Deal
Mon, Oct 6 - Sun, Oct 19
United Airlines Logo
7:30 am - 7:00 pmPDX-GUM
41h 30m2 stops
United Airlines Logo
7:40 am - 6:48 pmGUM-PDX
29h 08m2 stops
$2,325United Airlines
Find Deal
Sun, Dec 21 - Fri, Dec 26
United Airlines Logo
7:35 pm - 6:05 pmPDX-GUM
29h 30m2 stops
United Airlines Logo
7:10 am - 12:42 pmGUM-PDX
22h 32m2 stops
$2,327United Airlines
Find Deal
Tue, Sep 30 - Wed, Oct 8
United Airlines Logo
7:45 pm - 7:00 pmPDX-GUM
29h 15m2 stops
United Airlines Logo
7:40 am - 10:46 pmGUM-PDX
33h 06m3 stops
$2,336United Airlines
Find Deal
Fri, Dec 26 - Wed, Dec 31
United Airlines Logo
7:30 am - 7:00 pmPDX-GUM
41h 30m2 stops
United Airlines Logo
7:40 am - 10:46 pmGUM-PDX
33h 06m3 stops
$2,353United Airlines
Find Deal
Sun, Dec 21 - Fri, Dec 26
United Airlines Logo
7:35 pm - 6:05 pmPDX-GUM
29h 30m2 stops
United Airlines Logo
5:00 pm - 2:42 pmGUM-PDX
38h 42m2 stops
$2,363United Airlines
Find Deal
Sun, Oct 5 - Sun, Oct 12

Delta flights from Portland to Tamuning

Our best Delta deals on Portland to Tamuning flight tickets
Delta
Mar 9
PDX12:55 amPortland
29h 10m
2 stops
GUM11:05 pmTamuning Guam Intl
Mar 17
GUM4:50 pmTamuning Guam Intl
43h 21m
2 stops
PDX7:11 pmPortland
$1,853
Find similar
Delta
Oct 20
PDX12:40 amPortland
30h 30m
2 stops
GUM12:10 amTamuning Guam Intl
Nov 6
GUM1:00 amTamuning Guam Intl
39h 42m
2 stops
PDX10:42 pmPortland
$1,953
Find similar
Delta
Oct 6
PDX7:59 pmPortland
35h 11m
2 stops
GUM12:10 amTamuning Guam Intl
Oct 19
GUM1:55 amTamuning Guam Intl
34h 24m
2 stops
PDX7:19 pmPortland
$2,271
Find similar

United Airlines flights from Portland to Tamuning

Our best United Airlines deals on Portland to Tamuning flight tickets
United Airlines
Mar 10
PDX8:15 amPortland
17h 35m
2 stops
GUM6:50 pmTamuning Guam Intl
Mar 17
GUM7:25 amTamuning Guam Intl
33h 54m
3 stops
PDX12:19 amPortland
$1,817
Find similar
United Airlines
Oct 21
PDX3:50 pmPortland
33h 15m
3 stops
GUM6:05 pmTamuning Guam Intl
Nov 7
GUM7:40 amTamuning Guam Intl
28h 56m
2 stops
PDX6:36 pmPortland
$2,203
Find similar
United Airlines
Dec 21
PDX7:30 amPortland
41h 30m
2 stops
GUM7:00 pmTamuning Guam Intl
Dec 26
GUM7:40 amTamuning Guam Intl
29h 08m
2 stops
PDX6:48 pmPortland
$2,325
Find similar

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 September 16, 2025.
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

8:15 am-6:50 pm

2 stops17h 35m

Tamuning Guam Intl

Tue 3/17

7:25 am-12:19 am

3 stops33h 54m

$1,817

PortlandTamuning

PDX - GUM

PDXGUM

Portland

Mon 3/9

12:55 am-11:05 pm

2 stops29h 10m

Tamuning Guam Intl

Tue 3/17

4:50 pm-7:11 pm

2 stops43h 21m

$1,853

PortlandTamuning

PDX - GUM

PDXGUM

Portland

Mon 10/20

12:40 am-12:10 am

2 stops30h 30m

Tamuning Guam Intl

Thu 11/6

1:00 am-10:42 pm

2 stops39h 42m

$1,953

PortlandTamuning

PDX - GUM

PDXGUM

Portland

Tue 10/21

3:50 pm-6:05 pm

3 stops33h 15m

Tamuning Guam Intl

Fri 11/7

7:40 am-6:36 pm

2 stops28h 56m

$2,203

PortlandTamuning

PDX - GUM

PDXGUM

Portland

Mon 10/6

7:59 pm-12:10 am

2 stops35h 11m

Tamuning Guam Intl

Sun 10/19

1:55 am-7:19 pm

2 stops34h 24m

$2,271

PortlandTamuning

PDX - GUM

PDXGUM

Portland

Sun 12/21

7:30 am-7:00 pm

2 stops41h 30m

Tamuning Guam Intl

Fri 12/26

7:40 am-6:48 pm

2 stops29h 08m

$2,325

PortlandTamuning

PDX - GUM

PDXGUM

Portland

Tue 9/30

7:35 pm-6:05 pm

2 stops29h 30m

Tamuning Guam Intl

Wed 10/8

7:10 am-12:42 pm

2 stops22h 32m

$2,327

PortlandTamuning

PDX - GUM

PDXGUM

Portland

Fri 12/26

7:45 pm-7:00 pm

2 stops29h 15m

Tamuning Guam Intl

Wed 12/31

7:40 am-10:46 pm

3 stops33h 06m

$2,336

PortlandTamuning

PDX - GUM

PDXGUM

Portland

Sun 12/21

7:30 am-7:00 pm

2 stops41h 30m

Tamuning Guam Intl

Fri 12/26

7:40 am-10:46 pm

3 stops33h 06m

$2,353

PortlandTamuning

PDX - GUM

PDXGUM

Portland

Sun 10/5

7:35 pm-6:05 pm

2 stops29h 30m

Tamuning Guam Intl

Sun 10/12

5:00 pm-2:42 pm

2 stops38h 42m

$2,363

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 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 February is, on average, the cheapest month to fly to Tamuning from Portland, with most prices found around $1,320. 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.

What is the cheapest day to depart on your flight to Tamuning?

The cheapest day to depart from Portland to Tamuning is on a Wednesday. Travelers who choose to depart for Tamuning on a Wednesday will often find tickets for as low as $1,892. The most expensive day to fly to Tamuning is Thursday, with ticket prices averaging around $2,126.

What is the cheapest time of day to depart on your flight to Tamuning?

Our most recent data shows that the best time of day to fly to Tamuning is in the evening. Flights from Portland to Tamuning during this time can be as low as $1,967. Flights in the morning are often more expensive with an average ticket price of $2,041.

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

Direct flights

None
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 17h 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 $1,078Free CancellationRating
7.4
8,924 reviews
Search United Airlines flights
DeltaPriceFrom $1,512Free CancellationRating
7.9
7,957 reviews
Search Delta 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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