$574 Find Cheap Flights from Portland to Guam

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 Guam departing on 11/4. 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

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Cheap Flights from Portland to Guam

Cheapest round-trip prices found by our users on KAYAK in the last 72 hours
Tamuning
Tamuning2 stops$1,817
Tamuning
Tamuning2 stops$1,817

Book Cheap Portland to Guam Plane Tickets

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Portland to Guam 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 Guam

Tue, Mar 10 - Tue, Mar 17
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
Mon, Mar 9 - 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, Oct 20 - Thu, Nov 6
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
Tue, Oct 21 - Fri, Nov 7
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
Mon, Oct 6 - Sun, Oct 19
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
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Sun, Dec 21 - Fri, Dec 26
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
Tue, Sep 30 - Wed, Oct 8
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
Fri, Dec 26 - Wed, Dec 31
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
Sun, Dec 21 - Fri, Dec 26
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, Oct 5 - Sun, Oct 12
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
Booking Insights

KAYAK's insights & trends for Portland to Guam flights

Get data-powered insights and trends into flights from Portland to Guam 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 Guam?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Portland to Guam, 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 Guam is February, when tickets cost $1,320 (return) on average. On the other hand, the most expensive months are August and April, when the average cost of round-trip tickets is $2,854 and $2,365 respectively.

What’s the cheapest day of the week to fly from Portland to Guam?

The average price of all round-trip flights from Portland to Guam clicked on KAYAK for each day over the last 12 months.

If your flying dates are flexible, you should consider flying to Guam on a Wednesday, as we generally find the cheapest rates on that day for this route. On the other hand, Thursday is the most expensive day to fly from Portland to Guam. For your return ticket, we recommend flying on a Monday and avoiding Saturdays for the best deals.

Good to know

Low seasonAugust
Cheapest flight$574
Best time to beat the crowds but there is an average 37% increase in price.
Most popular time to fly and prices are also 7% lower on average.
Flight from Portland to Tamuning

FAQs - booking Guam flights

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

    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 Guam.

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Portland to Guam 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 Guam?

    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 from Portland to Guam with an airline and back with another airline.

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

    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 from Portland to Guam up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

  • What is the cheapest time of day to fly to Guam?

    The cheapest time of day to fly to Guam is generally at night, when round-trip flights cost $1,967 on average. The most expensive time of day to fly to Guam is generally in the morning, which is peak travel time and where the average cost of a ticket is $2,041.

Reviews of the top airlines flying from Portland to Guam

 
Need help choosing which airline to fly with from Portland to Guam? 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.
7.9
DeltaOverall score based on 7954 reviews
7.9Comfort
7.3Food
8.5Crew
7.9Entertainment
8.2Boarding
Airline reviews

Perfect flight both ways. On time, courteous staff, plane comfortable and cool. Best domestic flights I’ve had in awhile.

10.0 ExcellentAnonymous, Sep 2025CLT - BOS
Read more Delta reviews

Perfect flight both ways. On time, courteous staff, plane comfortable and cool. Best domestic flights I’ve had in awhile.

The food was terrible especially for a 15 hour international flight. The crew was unpleasant as well.

Really low quality food especially for an international flight. The crew also was surprisingly unpleasant except couple of ladies. I know we were not in first class but that’s no reason to treat customers as less.

Flight delayed for two and half hours and then canceled altogether due to mechanical issues. No mechanic onsite to fix so had to send one from LAX.

Quick check in. Everything went smooth. I don't know what can be done about airline food.

Crew was good. The reservation got mixed up and they didn't have my TSA number. I am also a Silver Medallion and wasn't able to use Sky Priority.

Delta made it easy, comfortable and timely. The crew was fantastic.

This route with Delta always has delays or is cancelled. Aircrafts seem smaller and older. I fly Delta quite a bit - haven’t had issues with the international flights. But this route has always been the troublesome one

Nothing special. The crew never went out of their way for anything.

Three seats in first class were broken and while they were able to still acommodate us it was looking very touch and go and they had others they could not acommodate

We had to deboard 2 times due to maintenance issues. They changed the plane, and then we got deviated to LAX due to maibtenance issues on the other plane, had to sleep at LAX and los a full day.

Everything was good, except the seats in economy were so close together, you could barely get out when the seat in front of your was reclined. If the airlines keep jamming in more and more seats, it will become intolerable. I will look for another airline that considers customer comfort and does not keep adding more rows of seats for more profit.

The newer screen was super cool and had the option to watch many different shows or movies. Crew was polite and helpful. However again, many children screaming bloody murder and kicking my seat, and parents doing nothing about it as usual.

Flight was good and crew was super polite. However, there were around 5 kids screaming the WHOLE 2 hours. I understand kids have to come but parents need to do something to control their children. They make the experience terrible, especially after finishing 16 hour shifts at the hospital I needed some sleep, which I did not get.

IAD with the archaic people movers is just a place to be avoided.

Great service on board. Boarding a bit slow due to process. Food was pretty average.

Tastless food and too obvious lack of enthusiasm for service in the economy vesus business class

All of the United employees I interacted with were professional and courteous. The aircraft was clean, the food on the flight was good. No complaints here.

I had no checked baggage but was required to hand over carry on baggage at the door of the plane. There was a lot of overboard space in the plane and I was one of the last ones. I ran to get my carry on but it was gone. I was given back at the plane door in Toronto, so the wait was not as long as it would have been at the carousel.

Armrest controller on my seat 35D and nextbooennseat 35E did not work right. Hard to press buttons to recognize and 35D had constantnpressure either upmost down somit was nearly impossible to make selections. .

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

Information on your arrival and departure airports

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