$645+ Cheap flights from Portland (PDX) to Guam
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/9. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — GUM
Aug 16 — Aug 231
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 July 17, 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 July 17, 2026.
This Alaska Airlines deal was found by Cheapflights users on 7/14. 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.
Thu 10/157:37 pm
PDX
- GUM
2 stops50h 03m
Multiple Airlines
Mon 10/194:40 pm
GUM
- PDX
2 stops41h 20m
Multiple Airlines
Deal found 7/14![Multiple Airlines logo]()
$1,386
This Expedia deal was found by Cheapflights users on 7/14. 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.
Thu 8/139:19 am
PDX
- GUM
2 stops37h 16m
Multiple Airlines
Tue 8/182:00 am
GUM
- PDX
2 stops33h 37m
Multiple Airlines
Deal found 7/14![Multiple Airlines logo]()
$1,623
This Alaska Airlines deal was found by Cheapflights users on 7/16. 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.
Mon 7/206:19 am
PDX
- GUM
2 stops39h 16m
Multiple Airlines
Wed 7/224:35 pm
GUM
- PDX
2 stops46h 50m
Multiple Airlines
Deal found 7/16![Multiple Airlines logo]()
$1,726
This Alaska Airlines deal was found by Cheapflights users on 7/16. 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.
Thu 11/55:05 am
PDX
- GUM
2 stops39h 30m
Alaska Airlines
Mon 11/94:35 pm
GUM
- PDX
2 stops46h 15m
Alaska Airlines
Deal found 7/16![Alaska Airlines logo]()
$1,741
This United Airlines deal was found by Cheapflights users on 7/15. 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.
Thu 10/225:30 am
PDX
- GUM
2 stops19h 35m
United Airlines
Sun 11/157:55 pm
GUM
- PDX
2 stops44h 49m
United Airlines
Deal found 7/15![United Airlines logo]()
$1,844
This Delta deal was found by Cheapflights users on 7/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/36:00 am
PDX
- GUM
2 stops24h 55m
Delta
Wed 9/162:00 am
GUM
- PDX
2 stops33h 16m
Delta
Deal found 7/15![Delta logo]()
$2,008
This United Airlines deal was found by Cheapflights users on 7/13. 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.
Thu 10/155:30 am
PDX
- GUM
2 stops19h 35m
United Airlines
Mon 10/197:10 am
GUM
- PDX
2 stops20h 05m
United Airlines
Deal found 7/13![United Airlines logo]()
$2,129
This Delta deal was found by Cheapflights users on 7/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/67:05 am
PDX
- GUM
2 stops23h 50m
Delta
Sun 9/135:20 pm
GUM
- PDX
2 stops40h 49m
Delta
Deal found 7/15![Delta logo]()
$2,163
This Delta deal was found by Cheapflights users on 7/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/145:30 am
PDX
- GUM
2 stops25h 25m
Delta
Thu 8/202:00 am
GUM
- PDX
2 stops37h 02m
Delta
Deal found 7/14![Delta logo]()
$2,213
This United Airlines deal was found by Cheapflights users on 7/14. 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 7/315:15 am
PDX
- GUM
2 stops19h 50m
United Airlines
Mon 8/107:15 am
GUM
- PDX
2 stops30h 39m
United Airlines
Deal found 7/14![United Airlines logo]()
$2,499
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 July 17, 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 July 17, 2026.
This Alaska Airlines deal was found by Cheapflights users on 7/14. 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.
Thu 10/157:37 pm
PDX
- GUM
2 stops50h 03m
Multiple Airlines
Mon 10/194:40 pm
GUM
- PDX
2 stops41h 20m
Multiple Airlines
Deal found 7/14![Multiple Airlines logo]()
$1,386
This Alaska Airlines deal was found by Cheapflights users on 7/16. 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.
Thu 11/55:05 am
PDX
- GUM
2 stops39h 30m
Alaska Airlines
Mon 11/94:35 pm
GUM
- PDX
2 stops46h 15m
Alaska Airlines
Deal found 7/16![Alaska Airlines logo]()
$1,741
This United Airlines deal was found by Cheapflights users on 7/15. 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.
Thu 10/225:30 am
PDX
- GUM
2 stops19h 35m
United Airlines
Sun 11/157:55 pm
GUM
- PDX
2 stops44h 49m
United Airlines
Deal found 7/15![United Airlines logo]()
$1,844
This Delta deal was found by Cheapflights users on 7/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/36:00 am
PDX
- GUM
2 stops24h 55m
Delta
Wed 9/162:00 am
GUM
- PDX
2 stops33h 16m
Delta
Deal found 7/15![Delta logo]()
$2,008
This United Airlines deal was found by Cheapflights users on 7/13. 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.
Thu 10/155:30 am
PDX
- GUM
2 stops19h 35m
United Airlines
Mon 10/197:10 am
GUM
- PDX
2 stops20h 05m
United Airlines
Deal found 7/13![United Airlines logo]()
$2,129
This United Airlines deal was found by Cheapflights users on 7/14. 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 7/315:15 am
PDX
- GUM
2 stops19h 50m
United Airlines
Mon 8/107:15 am
GUM
- PDX
2 stops30h 39m
United Airlines
Deal found 7/14![United Airlines logo]()
$2,499
This United Airlines deal was found by Cheapflights users on 7/13. 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.
Fri 7/315:15 am
PDX
- GUM
2 stops19h 50m
United Airlines
Thu 8/65:00 pm
GUM
- PDX
2 stops46h 48m
United Airlines
Deal found 7/13![United Airlines logo]()
$2,562
This United Airlines deal was found by Cheapflights users on 7/14. 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.
Thu 8/137:00 am
PDX
- GUM
2 stops18h 05m
United Airlines
Wed 8/197:05 am
GUM
- PDX
3 stops20h 06m
United Airlines
Deal found 7/14![United Airlines logo]()
$2,626
This United Airlines deal was found by Cheapflights users on 7/16. 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 11/56:53 am
PDX
- GUM
2 stops18h 07m
United Airlines
Mon 11/97:45 am
GUM
- PDX
3 stops28h 44m
United Airlines
Deal found 7/16![United Airlines logo]()
$2,976
Last-minute flights from Portland to GuamDiscover last-minute flight deals from Portland to Guam. Data last updated July 17, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to Guam. Data last updated July 17, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 7/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/1512:33 am
PDX
- GUM
2 stops30h 22m
Delta
Wed 8/52:00 am
GUM
- PDX
2 stops38h 39m
Delta
Deal found 7/15![Delta logo]()
$2,788
This United Airlines deal was found by Cheapflights users on 7/15. 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.
Thu 7/167:00 am
PDX
- GUM
2 stops18h 05m
United Airlines
Thu 8/67:05 am
GUM
- PDX
3 stops20h 15m
United Airlines
Deal found 7/15![United Airlines logo]()
$3,048
This Alaska Airlines deal was found by Cheapflights users on 7/16. 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.
Mon 7/206:19 am
PDX
- GUM
2 stops39h 16m
Multiple Airlines
Wed 7/224:35 pm
GUM
- PDX
2 stops46h 50m
Multiple Airlines
Deal found 7/16![Multiple Airlines logo]()
$1,726
This United Airlines deal was found by Cheapflights users on 7/16. 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.
Mon 7/205:15 am
PDX
- GUM
3 stops30h 05m
United Airlines
Wed 7/227:30 pm
GUM
- PDX
2 stops42h 24m
United Airlines
Deal found 7/16![United Airlines logo]()
$3,050
This Delta deal was found by Cheapflights users on 7/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/227:05 am
PDX
- GUM
2 stops23h 50m
Delta
Tue 7/282:00 am
GUM
- PDX
2 stops38h 44m
Delta
Deal found 7/15![Delta logo]()
$2,809
This United Airlines deal was found by Cheapflights users on 7/14. 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 7/315:15 am
PDX
- GUM
2 stops19h 50m
United Airlines
Mon 8/107:15 am
GUM
- PDX
2 stops30h 39m
United Airlines
Deal found 7/14![United Airlines logo]()
$2,499
This United Airlines deal was found by Cheapflights users on 7/13. 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.
Fri 7/315:15 am
PDX
- GUM
2 stops19h 50m
United Airlines
Thu 8/65:00 pm
GUM
- PDX
2 stops46h 48m
United Airlines
Deal found 7/13![United Airlines logo]()
$2,562
This Expedia deal was found by Cheapflights users on 7/14. 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.
Thu 8/139:19 am
PDX
- GUM
2 stops37h 16m
Multiple Airlines
Tue 8/182:00 am
GUM
- PDX
2 stops33h 37m
Multiple Airlines
Deal found 7/14![Multiple Airlines logo]()
$1,623
This United Airlines deal was found by Cheapflights users on 7/14. 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.
Thu 8/137:00 am
PDX
- GUM
2 stops18h 05m
United Airlines
Wed 8/197:05 am
GUM
- PDX
3 stops20h 06m
United Airlines
Deal found 7/14![United Airlines logo]()
$2,626
This Delta deal was found by Cheapflights users on 7/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/145:30 am
PDX
- GUM
2 stops25h 25m
Delta
Thu 8/202:00 am
GUM
- PDX
2 stops37h 02m
Delta
Deal found 7/14![Delta logo]()
$2,213
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 July 17, 2026.
Search for one-way flight options from Portland to Guam. Find affordable one-way fares based on user searches. Data last updated July 17, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/99:48 pm
PDX
- GUM
3 stops36h 47m
Multiple Airlines
Deal found 7/17![Multiple Airlines logo]()
$645
This Kiwi.com deal was found by Cheapflights users on 7/13. 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 8/209:46 pm
PDX
- GUM
3 stops36h 49m
Multiple Airlines
Deal found 7/13![Multiple Airlines logo]()
$723
This Delta deal was found by Cheapflights users on 7/13. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/209:29 am
PDX
- GUM
2 stops21h 26m
Delta
Deal found 7/13![Delta logo]()
$1,400
This United Airlines deal was found by Cheapflights users on 7/14. 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.
Thu 8/203:43 pm
PDX
- GUM
3 stops37h 02m
United Airlines
Deal found 7/14![United Airlines logo]()
$2,058
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 July 17, 2026.
Round-trip from | $1,386 (Alaska Airlines) |
|---|---|
One-way from | $645 (Kiwi.com) |
Popular in | January |
Cheapest in | September |
Average price | $2,258 |
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 July 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
Cheapest round-trip
PortlandTamuning
PDX - GUM
PDXGUM
Portland
Thu 10/15
7:37 pm-2:40 pm
2 stops50h 03m
Tamuning Guam Intl
Mon 10/19
4:40 pm-5:00 pm
2 stops41h 20m
$1,386
PortlandTamuning
PDX - GUM
PDXGUM
Portland
Thu 11/5
5:05 am-2:35 pm
2 stops39h 30m
Tamuning Guam Intl
Mon 11/9
4:35 pm-8:50 pm
2 stops46h 15m
$1,741
PortlandTamuning
PDX - GUM
PDXGUM
Portland
Thu 10/22
5:30 am-6:05 pm
2 stops19h 35m
Tamuning Guam Intl
Sun 11/15
7:55 pm-10:44 pm
2 stops44h 49m
$1,844
PortlandTamuning
PDX - GUM
PDXGUM
Portland
Thu 9/3
6:00 am-11:55 pm
2 stops24h 55m
Tamuning Guam Intl
Wed 9/16
2:00 am-6:16 pm
2 stops33h 16m
$2,008
PortlandTamuning
PDX - GUM
PDXGUM
Portland
Thu 10/15
5:30 am-6:05 pm
2 stops19h 35m
Tamuning Guam Intl
Mon 10/19
7:10 am-10:15 am
2 stops20h 05m
$2,129
PortlandTamuning
PDX - GUM
PDXGUM
Portland
Fri 7/31
5:15 am-6:05 pm
2 stops19h 50m
Tamuning Guam Intl
Mon 8/10
7:15 am-8:54 pm
2 stops30h 39m
$2,499
PortlandTamuning
PDX - GUM
PDXGUM
Portland
Fri 7/31
5:15 am-6:05 pm
2 stops19h 50m
Tamuning Guam Intl
Thu 8/6
5:00 pm-10:48 pm
2 stops46h 48m
$2,562
Quickest round-trip
PortlandTamuning
PDX - GUM
PDXGUM
Portland
Thu 8/13
7:00 am-6:05 pm
2 stops18h 05m
Tamuning Guam Intl
Wed 8/19
7:05 am-10:11 am
3 stops20h 06m
$2,626
PortlandTamuning
PDX - GUM
PDXGUM
Portland
Thu 11/5
6:53 am-7:00 pm
2 stops18h 07m
Tamuning Guam Intl
Mon 11/9
7:45 am-6:29 pm
3 stops28h 44m
$2,976
Cheapest one-way
PortlandTamuning
PDX - GUM
PDXGUM
Portland
Sun 8/9
9:48 pm-3:35 am
3 stops36h 47m
$645
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 July 17, 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.
Overall
7.4
Boarding
7.7
Comfort
7.3
Entertainment
7.1
Food
6.6
Crew
8.1
Reviews
1 / 20
6.0
GoodROHIT,Jun 2026
IND - EWR
Overall
7.4
Boarding
7.7
Comfort
7.3
Entertainment
7.1
Food
6.6
Crew
8.1
Reviews
1 / 20
6.0
GoodROHIT,Jun 2026
IND - EWR
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 July 17, 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 2,558,603 searches. Data last updated July 17, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$1,817 | Average$2,174 | FlexibilityNo cancel fee | On-time69% |