PDX - GUM

$566 Find Cheap Flights from Portland to Tamuning - Compare and Save

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Portland to Tamuning departing on 9/8. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$1,128
Typical prices: $1,918-$2,192
Multiple Airlines
Wed 9/2Tue 9/8
PDX - GUM • 2 stops
Cheapest one-way
$566
Multiple Airlines
Tue 9/8
PDX - GUM • 3 stops
Top airlines
Alaska Airlines
Cheapest • from $1,400 (round-trip)
United Airlines
Best reviews • 7.4 score
Airline reviews
Airline reviews
+1
+1
Airline reviews
Airline reviews
+1
Nonstop flights
Not available
There are currently no direct flights between Portland and Tamuning. You'll need at least 2 connections.
Insights
Insights
Insights
Insights
When to travel
May
Cheapest • 100% price drop
March
Most popular
Good to know
Good to know
+1
+1
Good to know
Good to know
+1
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We hope you love your trip to Tamuning!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Portland to Tamuning (PDX-GUM)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Portland to Tamuning that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Portland to Tamuning

Wed, Sep 2 - Tue, Sep 8
Multiple Airlines Logo
5:07 am - 2:35 pmPDX  Portland-GUM Tamuning Guam Intl
40h 28m2 stops Seattle/Tacoma Intl Tokyo Narita
Multiple Airlines Logo
5:20 pm - 7:50 pmGUM  Tamuning Guam Intl-PDX Portland
43h 30m2 stops Incheon Intl Seattle/Tacoma Intl
$1,128Multiple Airlines
Tue, Sep 22 - Thu, Oct 8
Multiple Airlines Logo
7:09 am - 2:35 pmPDX  Portland-GUM Tamuning Guam Intl
38h 26m2 stops Seattle/Tacoma Intl Tokyo Narita
Multiple Airlines Logo
4:40 pm - 9:56 pmGUM  Tamuning Guam Intl-PDX Portland
46h 16m2 stops Tokyo Narita Seattle/Tacoma Intl
$1,353Multiple Airlines
Mon, Nov 9 - Mon, Nov 23
Alaska Airlines Logo
6:05 am - 2:35 pmPDX  Portland-GUM Tamuning Guam Intl
38h 30m2 stops Seattle/Tacoma Intl Tokyo Narita
Alaska Airlines Logo
4:35 pm - 3:24 pmGUM  Tamuning Guam Intl-PDX Portland
40h 49m2 stops Tokyo Narita Seattle/Tacoma Intl
$1,400Alaska Airlines
Tue, Sep 22 - Thu, Oct 8
Multiple Airlines Logo
7:09 am - 2:35 pmPDX  Portland-GUM Tamuning Guam Intl
38h 26m2 stops Seattle/Tacoma Intl Tokyo Narita
Multiple Airlines Logo
4:40 pm - 9:56 pmGUM  Tamuning Guam Intl-PDX Portland
46h 16m2 stops Tokyo Narita Seattle/Tacoma Intl
$1,450Multiple Airlines
Wed, Sep 9 - Wed, Sep 16
Multiple Airlines Logo
5:41 pm - 2:35 pmPDX  Portland-GUM Tamuning Guam Intl
51h 54m2 stops Seattle/Tacoma Intl Tokyo Narita
Multiple Airlines Logo
4:35 pm - 10:01 pmGUM  Tamuning Guam Intl-PDX Portland
46h 26m2 stops Tokyo Narita Seattle/Tacoma Intl
$1,632Multiple Airlines
Tue, Nov 24 - Tue, Dec 8
Alaska Airlines Logo
9:30 pm - 2:35 pmPDX  Portland-GUM Tamuning Guam Intl
47h 05m2 stops Seattle/Tacoma Intl Tokyo Narita
Alaska Airlines Logo
4:35 pm - 2:55 pmGUM  Tamuning Guam Intl-PDX Portland
40h 20m2 stops Tokyo Narita Seattle/Tacoma Intl
$1,670Alaska Airlines
Tue, Sep 8 - Fri, Sep 25
Multiple Airlines Logo
5:41 pm - 2:35 pmPDX  Portland-GUM Tamuning Guam Intl
51h 54m2 stops Seattle/Tacoma Intl Tokyo Narita
Multiple Airlines Logo
4:35 pm - 6:38 pmGUM  Tamuning Guam Intl-PDX Portland
43h 03m2 stops Tokyo Narita Seattle/Tacoma Intl
$1,719Multiple Airlines
Tue, Dec 15 - Tue, Jan 26
Alaska Airlines Logo
7:10 am - 2:35 pmPDX  Portland-GUM Tamuning Guam Intl
37h 25m2 stops Seattle/Tacoma Intl Tokyo Narita
Alaska Airlines Logo
4:35 pm - 12:22 pmGUM  Tamuning Guam Intl-PDX Portland
37h 47m2 stops Tokyo Narita Seattle/Tacoma Intl
$1,724Alaska Airlines
Wed, Dec 16 - Thu, Jan 28
United Airlines Logo
7:49 pm - 7:00 pmPDX  Portland-GUM Tamuning Guam Intl
29h 11m2 stops San Francisco Honolulu
United Airlines Logo
7:45 am - 6:31 pmGUM  Tamuning Guam Intl-PDX Portland
28h 46m2 stops Honolulu San Francisco
$1,869United Airlines
Wed, Dec 16 - Mon, Jan 18
United Airlines Logo
7:49 pm - 7:00 pmPDX  Portland-GUM Tamuning Guam Intl
29h 11m2 stops San Francisco Honolulu
United Airlines Logo
7:45 am - 12:25 pmGUM  Tamuning Guam Intl-PDX Portland
22h 40m2 stops Honolulu San Francisco
$1,869United Airlines
Booking Insights

KAYAK's insights & trends for Portland to Tamuning flights

Get data-powered insights and trends into flights from Portland to Tamuning to help you find the cheapest flights, the best time to fly and much more.

What is the cheapest month to fly from Portland to Tamuning?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Portland to Tamuning, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Portland to Tamuning is May, where tickets cost $0 (return) on average. On the other hand, the most expensive months are January and August, where the average cost of round-trip tickets is $3,349 and $2,854 respectively.

Find deals

Good to know

Low season

June

Cheapest flight

$566
Best time to beat the crowds with an average 20% drop in price.
Most popular time to fly and prices are also 15% lower on average.
Flight from Portland to Tamuning

When to book flights from Portland to Tamuning

Are your dates flexible? Find out the best times to travel from Portland to Tamuning based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from Portland to Tamuning

  • What is the cheapest flight from Portland to Tamuning?

    In the last 5 days, the lowest price for a flight from Portland to Tamuning was $566 for a one-way ticket and $1,128 for a round-trip.

  • Do I need a passport to fly between Portland and Tamuning?

    Yes, you'll most likely have to show a valid passport before boarding the plane in Portland and on arrival in Tamuning.

  • Which aircraft models fly most regularly from Portland to Tamuning?

    We unfortunately don’t have that data for this specific route.

  • Which airline alliances offer flights from Portland to Tamuning?

    Star Alliance is the only airline alliance operating flights between Portland and Tamuning.

  • How does KAYAK find such low prices on flights from Portland to Tamuning?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Portland to Tamuning.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Portland to Tamuning?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Tamuning from Portland is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Portland to Tamuning?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Tamuning with an airline and back to Portland with another airline. Booking your flights between Portland and GUM can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Portland to Tamuning?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Tamuning from Portland up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Reviews of the top airline flying from Portland to Tamuning

 
See real verified KAYAK customer reviews for airlines flying from Portland to Tamuning. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Portland to Tamuning? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.4
United AirlinesOverall score based on 10058 reviews
7.7Boarding
6.7Food
7.3Comfort
7.1Entertainment
8.1Crew
Airline reviews

Overall, the flight was good. Lounge access should be with all business class tickets.

8.0 ExcellentIvan, Mar 2026
Read more United Airlines reviews

Overall, the flight was good. Lounge access should be with all business class tickets.

the whole trip was smooth, and as comfortable as flying is these days. flight crew was friendly and very courteous and helpful.

Yet another flight in which beverage and snack service was skipped. Other that that, firmly mediocre. Landed early, to gate late due to congestion at the gates. Airline's fault or airports fault: unknown.

The flights were on time which was great give. It was holiday travel season and there’d been some weather issues. The only complaint and this is every time with United is the terrible seat design. The head rest is not built for comfort and having my neck bent forward for a cross country trip reminded me while I try not to take United flights as a rule.

This was a very average flight. The seat was out of alignment so more uncomfortable than usual. The cabin felt not well maintained. But I safely got where I needed to go.

We had a 90 minute delay due to equipment failure that was detected just before we took off. United rebooked my connecting flight.

Dinner was okay but the breakfast was not eatable on the flight San Francisco to Zurich.

This was a Lufthansa flight. Disappointing main meal. Very rough over Canada and arrival at FRA. IFE was almost unusable.

Poor seating comfort, seat cushion too thin, very uncomfortable. My luggage didi not make the flight due to equipment change. At least. United had it delivered the next day. I was without my toilet items for one day.

Flight cancelled because of the grounded 737s. United was good about it and got us onto a later Alaska Airlines flight to Oakland (not San Francisco as originally intended). Had to go through security again and my wife dropped her MacBook Pro, which broke, a $2,500 whoopsie. But we made it home.

Everything you need to know for your flight from Portland to Tamuning

Information on your arrival and departure airports

Portland (PDX)
Tamuning (GUM)