Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Portland to Tamuning from $1,400

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 11/19. 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

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Portland to Tamuning

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
12:35 am - 11:05 pmPDX-GUM
28h 30m2 stops
Delta Logo
4:50 pm - 10:37 pmGUM-PDX
47h 47m2 stops
$2,003Delta
Find Deal
Thu, Nov 27 - Fri, Dec 5
Delta Logo
12:55 am - 11:05 pmPDX-GUM
29h 10m2 stops
Delta Logo
5:00 pm - 11:53 pmGUM-PDX
47h 53m2 stops
$2,103Delta
Find Deal
Mon, Mar 23 - Sun, Mar 29
Delta Logo
7:15 am - 2:35 pmPDX-GUM
37h 20m2 stops
Delta Logo
1:00 am - 10:40 pmGUM-PDX
39h 40m2 stops
$2,265Delta
Find Deal
Sat, Nov 29 - Tue, Dec 2
Delta Logo
7:10 am - 2:35 pmPDX-GUM
38h 25m2 stops
Delta Logo
1:00 am - 11:53 pmGUM-PDX
39h 53m2 stops
$2,361Delta
Find Deal
Tue, Mar 24 - Sat, Mar 28
Delta Logo
12:55 am - 11:05 pmPDX-GUM
29h 10m2 stops
Delta Logo
1:00 am - 6:18 pmGUM-PDX
34h 18m2 stops
$2,453Delta
Find Deal
Mon, Mar 23 - Sat, Mar 28

United Airlines flights from Portland to Tamuning

Our best United Airlines deals on Portland to Tamuning flight tickets
United Airlines
Dec 11
PDX6:00 amPortland
39h 55m
2 stops
GUM3:55 pmTamuning Guam Intl
Dec 18
GUM7:00 amTamuning Guam Intl
33h 46m
2 stops
PDX10:46 pmPortland
$2,418
Find similar
United Airlines
Dec 11
PDX6:00 amPortland
39h 55m
2 stops
GUM3:55 pmTamuning Guam Intl
Dec 18
GUM7:40 amTamuning Guam Intl
33h 06m
3 stops
PDX10:46 pmPortland
$2,427
Find similar
United Airlines
Nov 17
PDX6:00 amPortland
42h 50m
3 stops
GUM6:50 pmTamuning Guam Intl
Nov 24
GUM7:40 amTamuning Guam Intl
28h 56m
2 stops
PDX6:36 pmPortland
$2,756
Find similar

Delta flights from Portland to Tamuning

Our best Delta deals on Portland to Tamuning flight tickets
Delta
Nov 27
PDX12:35 amPortland
28h 30m
2 stops
GUM11:05 pmTamuning Guam Intl
Dec 4
GUM1:00 amTamuning Guam Intl
37h 52m
2 stops
PDX8:52 pmPortland
$2,003
Find similar
Delta
Mar 23
PDX12:55 amPortland
29h 10m
2 stops
GUM11:05 pmTamuning Guam Intl
Mar 29
GUM5:00 pmTamuning Guam Intl
47h 53m
2 stops
PDX11:53 pmPortland
$2,103
Find similar
Delta
Nov 29
PDX7:15 amPortland
37h 20m
2 stops
GUM2:35 pmTamuning Guam Intl
Dec 2
GUM1:00 amTamuning Guam Intl
39h 40m
2 stops
PDX10:40 pmPortland
$2,265
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 November 13, 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

Thu 11/27

12:35 am-11:05 pm

2 stops28h 30m

Tamuning Guam Intl

Fri 12/5

4:50 pm-10:37 pm

2 stops47h 47m

$2,003

PortlandTamuning

PDX - GUM

PDXGUM

Portland

Mon 3/23

12:55 am-11:05 pm

2 stops29h 10m

Tamuning Guam Intl

Sun 3/29

5:00 pm-11:53 pm

2 stops47h 53m

$2,103

PortlandTamuning

PDX - GUM

PDXGUM

Portland

Sat 11/29

7:15 am-2:35 pm

2 stops37h 20m

Tamuning Guam Intl

Tue 12/2

1:00 am-10:40 pm

2 stops39h 40m

$2,265

PortlandTamuning

PDX - GUM

PDXGUM

Portland

Tue 3/24

7:10 am-2:35 pm

2 stops38h 25m

Tamuning Guam Intl

Sat 3/28

1:00 am-11:53 pm

2 stops39h 53m

$2,361

PortlandTamuning

PDX - GUM

PDXGUM

Portland

Mon 3/23

12:55 am-11:05 pm

2 stops29h 10m

Tamuning Guam Intl

Sat 3/28

1:00 am-6:18 pm

2 stops34h 18m

$2,453

PortlandTamuning

PDX - GUM

PDXGUM

Portland

Wed 11/19

12:35 am-11:05 pm

2 stops28h 30m

$1,400

PortlandTamuning

PDX - GUM

PDXGUM

Portland

Wed 12/24

1:45 pm-11:05 pm

2 stops39h 20m

$1,411

PortlandTamuning

PDX - GUM

PDXGUM

Portland

Thu 11/20

6:00 am-6:50 pm

3 stops42h 50m

$1,659

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 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.

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 28h 30m.

  • 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
9,017 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.

An easier way to manage your Tamuning trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sat 12/13
Sat 12/20
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Guam

Fly your favorite airline to Tamuning

Airlines are sorted and displayed according to clicks in the past 7 days on momondo
United Airlines