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$2,268+ Cheap flights from Portland, ME (PWM) to Guam

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/5. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — GUM
oct. 11 — oct. 181
sáb. 10/11
sáb. 10/18
1 adult, Economy
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Cheap flight deals from Portland to Guam

Keep the following information in mind while searching for Portland to Guam flight deals. Data was last updated septiembre 11, 2025.

Round-trip from

$2,268
(United Airlines)
From Portland to Guam
Search Deals

Find flight deals from Portland to Guam

Cheapest flights from Portland to Guam
Explore the most affordable flight options available from Portland to Guam. Find the lowest fares from popular airlines and budget airlines, with prices last updated on septiembre 11, 2025.

This United Airlines deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 11/59:45 amPWM - GUM
2 stops27h 35mUnited Airlines
dom. 11/97:20 pmGUM - PWM
2 stops38h 39mUnited Airlines
Deal found 9/10$2,268
This Delta deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 11/56:00 amPWM - GUM
2 stops26h 05mDelta
sáb. 11/81:00 amGUM - PWM
2 stops26h 08mDelta
Deal found 9/10$2,348

Cheapflights Fare Finder

 
Customize your flight search to find flights from Portland to Guam 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, Cheapflights users made 2,558,603 searches. Data last updated septiembre 11, 2025.
Use the filters below to find and compare flights from Portland to Guam that are best for you.

Fly from

Portland

Fly to

Guam

Route

Depart

Return

Price

PortlandTamuning

PWM - GUM

PWMGUM

Portland

mié. 11/5

9:45 am-4:20 am

2 stops27h 35m

Tamuning Guam Intl

dom. 11/9

7:20 pm-6:59 pm

2 stops38h 39m

$2,268

PortlandTamuning

PWM - GUM

PWMGUM

Portland

mié. 11/5

1:27 pm-2:35 pm

2 stops34h 08m

Tamuning Guam Intl

sáb. 11/8

1:00 am-4:07 pm

2 stops30h 07m

$2,348

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Best time to book a flight from Portland to Guam

Have a flexible travel schedule? Discover the best time to fly to Guam from Portland with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

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

What is the cheapest month to book a flight from Portland, Maine to Guam?

Currently, January is the cheapest month in which you can book a flight from Portland, Maine to Guam (average of $1,977). Flying from Portland, Maine to Guam in May is currently the most expensive (average of $2,214). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

Find useful and relevant information for your journey from Portland to Guam. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Portland to Guam?

    Located just 2.9 mi from the city center, Portland (PWM) is the airport most travelers will use when flying to Guam from Portland.

  • How long is the flight from Portland, Maine to Guam?

    Airlines like United Airlines and Delta fly from Portland, Maine to Guam in about 27h 35m. The time it takes to get you to your destination can typically vary by up to 6h 33m. The distance from Portland, Maine to Guam is about 7906 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • Can I find deals for flights from Portland to Guam that include hotel bookings?

    Yes. In addition to deals on Portland to Guam flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Portland to Guam?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Portland to Guam.

  • Can I find deals for business class flights from Portland to Guam?

    Yes. Cheapflights offers flight deals from Portland to Guam by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Portland, Maine to Guam?

    Currently, January is the cheapest month in which you can book a flight from Portland, Maine to Guam (average of $1,977). Flying from Portland, Maine to Guam in May is currently the most expensive (average of $2,214). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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