$699+ Cheap flights from Portland (PDX) 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 1/19. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — GUM
Oct 18 — Oct 251
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Portland to Guam with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Portland to Guam
Cheapest
Best
Last-minute
One-way
Cheapest flights from Portland to GuamExplore 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 September 18, 2026.
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 September 18, 2026.
This Expedia deal was found by Cheapflights users on 9/17. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/19:59 pm -
2 stops46h 46m
Sun 11/84:50 pm -
2 stops42h 00m
Deal found 9/17![Multiple Airlines logo]()
$1,204
This Alaska Airlines deal was found by Cheapflights users on 9/17. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/229:32 pm -
2 stops48h 03m
Fri 9/254:35 pm -
2 stops44h 15m
Deal found 9/17![Multiple Airlines logo]()
$1,223
This Alaska Airlines deal was found by Cheapflights users on 9/16. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/277:09 am -
2 stops38h 26m
Thu 10/14:40 pm -
2 stops44h 10m
Deal found 9/16![Multiple Airlines logo]()
$1,286
This Expedia deal was found by Cheapflights users on 9/14. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/1311:03 am -
2 stops34h 37m
Tue 10/204:40 pm -
2 stops47h 22m
Deal found 9/14![Multiple Airlines logo]()
$1,332
This Alaska Airlines deal was found by Cheapflights users on 9/14. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/136:09 am -
2 stops39h 31m
Tue 10/204:40 pm -
2 stops58h 07m
Deal found 9/14![Alaska Airlines logo]()
$1,671
This Alaska Airlines deal was found by Cheapflights users on 9/14. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/295:07 am -
2 stops40h 33m
Tue 10/64:40 pm -
2 stops56h 48m
Deal found 9/14![Multiple Airlines logo]()
$1,820
This United Airlines deal was found by Cheapflights users on 9/15. 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.
Tue 12/15:30 am -
2 stops19h 30m
Thu 12/317:45 am -
2 stops28h 35m
Deal found 9/15![United Airlines logo]()
$1,869
This Delta deal was found by Cheapflights users on 9/16. 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 9/299:51 am -
2 stops36h 44m
Mon 10/52:00 am -
2 stops36h 56m
Deal found 9/16![Delta logo]()
$1,905
This United Airlines deal was found by Cheapflights users on 9/17. 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 11/15:30 am -
2 stops19h 30m
Sun 11/87:45 am -
3 stops20h 33m
Deal found 9/17![United Airlines logo]()
$2,596
Best flights from Portland to GuamDiscover carefully curated flight deals from Portland to Guam that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 18, 2026.
Discover carefully curated flight deals from Portland to Guam that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 18, 2026.
This Expedia deal was found by Cheapflights users on 9/17. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/19:59 pm -
2 stops46h 46m
Sun 11/84:50 pm -
2 stops42h 00m
Deal found 9/17![Multiple Airlines logo]()
$1,204
This Alaska Airlines deal was found by Cheapflights users on 9/15. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/19:40 am -
2 stops35h 05m
Mon 3/154:45 pm -
2 stops38h 05m
Deal found 9/15![Alaska Airlines logo]()
$1,495
This United Airlines deal was found by Cheapflights users on 9/14. 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.
Mon 3/15:35 am -
3 stops19h 25m
Mon 3/157:45 am -
3 stops21h 40m
Deal found 9/14![United Airlines logo]()
$2,469
This Alaska Airlines deal was found by Cheapflights users on 9/14. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/136:09 am -
2 stops39h 31m
Tue 10/204:40 pm -
2 stops58h 07m
Deal found 9/14![Alaska Airlines logo]()
$1,671
This Alaska Airlines deal was found by Cheapflights users on 9/13. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/295:07 am -
2 stops40h 33m
Tue 10/64:40 pm -
2 stops56h 48m
Deal found 9/13![Multiple Airlines logo]()
$1,820
This United Airlines deal was found by Cheapflights users on 9/15. 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 1/67:30 am -
2 stops27h 10m
Sat 1/167:45 am -
3 stops28h 35m
Deal found 9/15![United Airlines logo]()
$2,806
This United Airlines deal was found by Cheapflights users on 9/17. 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 11/15:30 am -
3 stops19h 30m
Sun 11/87:45 am -
3 stops20h 33m
Deal found 9/17![United Airlines logo]()
$2,812
This United Airlines deal was found by Cheapflights users on 9/13. 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.
Sat 1/167:30 am -
2 stops27h 10m
Sat 1/237:45 am -
3 stops28h 35m
Deal found 9/13![United Airlines logo]()
$2,834
Last-minute flights from Portland to GuamDiscover last-minute flight deals from Portland to Guam. Data last updated September 18, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to Guam. Data last updated September 18, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 9/14. 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.
Fri 9/185:30 am -
2 stops19h 35m
Sun 9/207:35 pm -
2 stops42h 24m
Deal found 9/14![United Airlines logo]()
$2,804
This Alaska Airlines deal was found by Cheapflights users on 9/17. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/229:32 pm -
2 stops48h 03m
Fri 9/254:35 pm -
2 stops44h 15m
Deal found 9/17![Multiple Airlines logo]()
$1,223
This Alaska Airlines deal was found by Cheapflights users on 9/15. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/277:09 am -
2 stops38h 26m
Thu 10/14:40 pm -
2 stops44h 10m
Deal found 9/15![Multiple Airlines logo]()
$1,286
This Alaska Airlines deal was found by Cheapflights users on 9/14. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/295:07 am -
2 stops40h 33m
Tue 10/64:40 pm -
2 stops56h 48m
Deal found 9/14![Multiple Airlines logo]()
$1,820
This Delta deal was found by Cheapflights users on 9/16. 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 9/299:51 am -
2 stops36h 44m
Mon 10/52:00 am -
2 stops36h 56m
Deal found 9/16![Delta logo]()
$1,905
This Expedia deal was found by Cheapflights users on 9/14. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/1311:03 am -
2 stops34h 37m
Tue 10/204:40 pm -
2 stops47h 22m
Deal found 9/14![Multiple Airlines logo]()
$1,332
This Alaska Airlines deal was found by Cheapflights users on 9/14. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/136:09 am -
2 stops39h 31m
Tue 10/204:40 pm -
2 stops58h 07m
Deal found 9/14![Alaska Airlines logo]()
$1,671
This United Airlines deal was found by Cheapflights users on 9/14. 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.
Tue 10/137:00 am -
2 stops18h 05m
Tue 10/207:10 am -
3 stops20h 00m
Deal found 9/14![United Airlines logo]()
$2,731
One-way flights from Portland to GuamSearch for one-way flight options from Portland to Guam. Find affordable one-way fares based on user searches. Data last updated September 18, 2026.
Search for one-way flight options from Portland to Guam. Find affordable one-way fares based on user searches. Data last updated September 18, 2026.
This Priceline deal was found by Cheapflights users on 9/15. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/197:30 am -
2 stops37h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Alaska Airlines logo]()
$699
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/199:31 am -
3 stops45h 29m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Multiple Airlines logo]()
$835
This Kiwi.com deal was found by Cheapflights users on 9/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/3111:03 am -
2 stops24h 27m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Multiple Airlines logo]()
$973
This United Airlines deal was found by Cheapflights users on 9/16. 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.
Sat 10/315:30 am -
3 stops20h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![United Airlines logo]()
$2,107
This Kiwi.com deal was found by Cheapflights users on 9/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1010:30 am -
2 stops24h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![Multiple Airlines logo]()
$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 September 18, 2026.
Round-trip from | $1,204 (Expedia) |
|---|---|
One-way from | $699 (Priceline) |
Popular in | January |
Cheapest in | June |
Average price | $1,918 |
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 7,457,451 searches. Data last updated September 18, 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
Cheapest round-trip
PortlandTamuning
PDX Portland - GUM Tamuning Guam Intl
PDXGUM
Portland
Tue 1/19
7:30 am-2:45 pm
2 stops37h 15m
Tamuning Guam Intl
Wed 12/31
12:00 am-6:00 am
Nonstop0h 00m
$699
PortlandTamuning
PDX Portland - GUM Tamuning Guam Intl
PDXGUM
Portland
Tue 1/19
9:31 am-1:00 am
3 stops45h 29m
Tamuning Guam Intl
Wed 12/31
12:00 am-6:00 am
Nonstop0h 00m
$835
PortlandTamuning
PDX Portland - GUM Tamuning Guam Intl
PDXGUM
Portland
Sat 10/31
11:03 am-4:30 am
2 stops24h 27m
Tamuning Guam Intl
Wed 12/31
12:00 am-6:00 am
Nonstop0h 00m
$973
PortlandTamuning
PDX Portland - GUM Tamuning Guam Intl
PDXGUM
Portland
Sun 11/1
9:59 pm-2:45 pm
2 stops46h 46m
Tamuning Guam Intl
Sun 11/8
4:50 pm-4:50 pm
2 stops42h 00m
$1,204
PortlandTamuning
PDX Portland - GUM Tamuning Guam Intl
PDXGUM
Portland
Mon 3/1
9:40 am-2:45 pm
2 stops35h 05m
Tamuning Guam Intl
Mon 3/15
4:45 pm-1:50 pm
2 stops38h 05m
$1,495
PortlandTamuning
PDX Portland - GUM Tamuning Guam Intl
PDXGUM
Portland
Tue 10/13
6:09 am-2:40 pm
2 stops39h 31m
Tamuning Guam Intl
Tue 10/20
4:40 pm-9:47 am
2 stops58h 07m
$1,671
PortlandTamuning
PDX Portland - GUM Tamuning Guam Intl
PDXGUM
Portland
Tue 9/29
5:07 am-2:40 pm
2 stops40h 33m
Tamuning Guam Intl
Tue 10/6
4:40 pm-8:28 am
2 stops56h 48m
$1,820
Quickest round-trip
PortlandTamuning
PDX Portland - GUM Tamuning Guam Intl
PDXGUM
Portland
Sat 10/31
5:30 am-7:00 pm
3 stops20h 30m
Tamuning Guam Intl
Wed 12/31
12:00 am-6:00 am
Nonstop0h 00m
$2,107
PortlandTamuning
PDX Portland - GUM Tamuning Guam Intl
PDXGUM
Portland
Thu 12/10
10:30 am-4:30 am
2 stops24h 00m
Tamuning Guam Intl
Wed 12/31
12:00 am-6:00 am
Nonstop0h 00m
$2,262
PortlandTamuning
PDX Portland - GUM Tamuning Guam Intl
PDXGUM
Portland
Mon 3/1
5:35 am-7:00 pm
3 stops19h 25m
Tamuning Guam Intl
Mon 3/15
7:45 am-12:25 pm
3 stops21h 40m
$2,469
Showing 1-10 of 13 resultsSorted 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.
PDX-GUM
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
PDX-GU0
PDX-GUM
No data available for this route at this time. Please check back soon.
Reviews of airlines servicing Guam
Get insights into the airlines that provide service to Guam. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Guam. Reviews last updated September 18, 2026.
Get a feel of what it's like to fly with United Airlines from Portland to Guam by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.1
Crew
8.1
Food
6.7
Boarding
7.7
Comfort
7.3
Overall
7.4
Reviews
1 / 20
8.0
ExcellentAsha,Sep 2026
LGA - IAH
Entertainment
7.1
Crew
8.1
Food
6.7
Boarding
7.7
Comfort
7.3
Overall
7.4
Reviews
1 / 20
8.0
ExcellentAsha,Sep 2026
LGA - IAH
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.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Popular flights
Alternative routes for Portland to Guam
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Guam by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Portland to Guam by cabin class
Find flights from Portland to Guam, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Portland and Guam flights
Browse other Portland and Guam flight options. Last updated on September 18, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top airline flying from Portland to Guam
Discover the top airline that operate flights from Portland to Guam. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated September 18, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$1,817 | Average$2,174 | FlexibilityNo cancel fee | On-time69% |