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Guam

$2,099+ 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 4/21. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — GUM
Apr 16 — Apr 231
Thu 4/16
Thu 4/23
1 adult, Economy
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Cheap 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 March 17, 2026.

This Delta deal was found by Cheapflights users on 3/16. 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.
Tue 4/215:21 am
PWM
-
GUM
2 stops44h 14m
Delta
Tue 5/53:00 am
GUM
-
PWM
2 stops34h 23m
Delta
Deal found 3/16$2,099
This Delta deal was found by Cheapflights users on 3/16. 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.
Sun 4/1912:46 pm
PWM
-
GUM
2 stops45h 09m
Delta
Tue 5/53:00 am
GUM
-
PWM
2 stops34h 23m
Delta
Deal found 3/16$2,109
This Delta deal was found by Cheapflights users on 3/16. 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.
Tue 4/215:21 am
PWM
-
GUM
2 stops44h 14m
Delta
Fri 5/83:00 am
GUM
-
PWM
2 stops27h 07m
Delta
Deal found 3/16$2,149
This Delta deal was found by Cheapflights users on 3/16. 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.
Sun 4/1912:46 pm
PWM
-
GUM
2 stops45h 09m
Delta
Fri 5/83:00 am
GUM
-
PWM
2 stops34h 09m
Delta
Deal found 3/16$2,159
This Delta deal was found by Cheapflights users on 3/16. 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.
Sat 4/181:12 pm
PWM
-
GUM
2 stops36h 23m
Delta
Fri 5/83:00 am
GUM
-
PWM
2 stops34h 09m
Delta
Deal found 3/16$2,199
This Delta deal was found by Cheapflights users on 3/16. 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.
Sat 4/181:12 pm
PWM
-
GUM
2 stops44h 43m
Delta
Thu 5/75:20 pm
GUM
-
PWM
2 stops56h 40m
Delta
Deal found 3/16$2,209
This Delta deal was found by Cheapflights users on 3/16. 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.
Wed 4/154:43 pm
PWM
-
GUM
2 stops56h 52m
Delta
Tue 5/53:00 am
GUM
-
PWM
2 stops34h 23m
Delta
Deal found 3/16$2,210
This Delta deal was found by Cheapflights users on 3/16. 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.
Thu 4/165:21 am
PWM
-
GUM
2 stops28h 34m
Delta
Fri 5/85:20 pm
GUM
-
PWM
2 stops43h 49m
Delta
Deal found 3/16$2,249
This United Airlines deal was found by Cheapflights users on 3/16. 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.
Wed 4/156:04 am
PWM
-
GUM
2 stops32h 21m
United Airlines
Thu 5/77:05 am
GUM
-
PWM
2 stops22h 36m
United Airlines
Deal found 3/16$2,252
This United Airlines deal was found by Cheapflights users on 3/16. 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.
Thu 4/166:00 am
PWM
-
GUM
2 stops25h 45m
United Airlines
Tue 5/57:05 am
GUM
-
PWM
2 stops22h 36m
United Airlines
Deal found 3/16$2,255
This Delta deal was found by Cheapflights users on 3/16. 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.
Wed 4/154:43 pm
PWM
-
GUM
2 stops56h 52m
Delta
Fri 5/85:20 pm
GUM
-
PWM
2 stops43h 49m
Delta
Deal found 3/16$2,260
This United Airlines deal was found by Cheapflights users on 3/16. 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.
Sun 4/192:12 pm
PWM
-
GUM
2 stops48h 13m
United Airlines
Tue 5/57:05 am
GUM
-
PWM
2 stops22h 36m
United Airlines
Deal found 3/16$2,262

Find flight deals from Portland to Guam

Keep the following information in mind while searching for Portland to Guam flight deals. Data was last updated March 17, 2026.

Round-trip from

$2,099
(Delta)
From Portland to Guam
Search Deals

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 March 17, 2026.
Use the filters below to find and compare flights from Portland to Guam that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandTamuning

PWM - GUM

PWMGUM

Portland

Tue 4/21

5:21 am-3:35 pm

2 stops44h 14m

Tamuning Guam Intl

Fri 5/8

3:00 am-4:07 pm

2 stops27h 07m

$2,149

PortlandTamuning

PWM - GUM

PWMGUM

Portland

Mon 4/20

12:46 pm-11:55 pm

2 stops45h 09m

Tamuning Guam Intl

Thu 5/7

5:20 pm-11:09 pm

2 stops43h 49m

$2,159

PortlandTamuning

PWM - GUM

PWMGUM

Portland

Thu 4/16

5:21 am-3:35 pm

2 stops44h 14m

Tamuning Guam Intl

Tue 5/5

3:00 am-3:57 pm

2 stops26h 57m

$2,199

PortlandTamuning

PWM - GUM

PWMGUM

Portland

Thu 4/16

5:21 am-11:55 pm

2 stops28h 34m

Tamuning Guam Intl

Fri 5/8

5:20 pm-11:09 pm

2 stops43h 49m

$2,249
Quickest round-trip

PortlandTamuning

PWM - GUM

PWMGUM

Portland

Thu 4/16

6:00 am-9:15 pm

2 stops25h 15m

Tamuning Guam Intl

Sat 5/9

7:30 pm-11:59 pm

2 stops42h 29m

$2,321

PortlandTamuning

PWM - GUM

PWMGUM

Portland

Fri 5/8

3:23 pm-6:05 pm

2 stops60h 42m

Tamuning Guam Intl

Tue 5/12

7:30 pm-7:04 pm

2 stops37h 34m

$2,350

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/16

Sorted by cheapest first

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
No data available for this route at this time. Please check back soon.

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 Delta and United Airlines fly from Portland, Maine to Guam in about 25h 15m. The time it takes to get you to your destination can typically vary by up to 18h 59m. 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.

See more FAQs

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