$1,223+ 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 9/22. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — GUM
Oct 23 — Oct 301
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
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 23, 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 23, 2026.
This Alaska Airlines deal was found by Cheapflights users on 9/18. 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 9/18![Multiple Airlines logo]()
$1,223
This Priceline deal was found by Cheapflights users on 9/22. 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.
Sun 9/276:20 am -
2 stops39h 15m
Thu 10/14:40 pm -
2 stops38h 50m
Deal found 9/22![Multiple Airlines logo]()
$1,284
This Travelocity deal was found by Cheapflights users on 9/21. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/256:20 am -
2 stops39h 15m
Fri 10/94:40 pm -
2 stops47h 22m
Deal found 9/21![Multiple Airlines logo]()
$1,432
This Alaska Airlines deal was found by Cheapflights users on 9/18. 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 12/11:57 pm -
2 stops54h 48m
Sun 12/64:45 pm -
2 stops42h 03m
Deal found 9/18![Alaska Airlines logo]()
$1,949
This Priceline deal was found by Cheapflights users on 9/18. 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.
Sat 10/173:48 pm -
2 stops53h 52m
Sat 10/244:40 pm -
2 stops46h 16m
Deal found 9/18![Alaska Airlines logo]()
$1,953
This Alaska Airlines deal was found by Cheapflights users on 9/22. 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 9/296:20 am -
2 stops39h 20m
Tue 10/64:40 pm -
2 stops46h 16m
Deal found 9/22![Multiple Airlines logo]()
$1,994
This Priceline deal was found by Cheapflights users on 9/22. 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.
Fri 12/1110:30 am -
2 stops20h 30m
Sat 1/94:45 pm -
2 stops38h 44m
Deal found 9/22![Multiple Airlines logo]()
$2,123
This United Airlines deal was found by Cheapflights users on 9/22. 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 12/115:30 am -
2 stops19h 30m
Sat 1/97:45 am -
2 stops32h 58m
Deal found 9/22![United Airlines logo]()
$2,159
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 23, 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 23, 2026.
This Alaska Airlines deal was found by Cheapflights users on 9/20. 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 3/13:40 pm -
2 stops53h 05m
Wed 3/104:45 pm -
2 stops37h 37m
Deal found 9/20![Alaska Airlines logo]()
$1,482
This United Airlines deal was found by Cheapflights users on 9/20. 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
Wed 3/1012:25 pm -
2 stops20h 02m
Deal found 9/20![United Airlines logo]()
$2,215
This Delta deal was found by Cheapflights users on 9/18. 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 10/165:33 am -
2 stops25h 22m
Thu 10/222:00 am -
2 stops38h 47m
Deal found 9/18![Delta logo]()
$2,305
This Alaska Airlines deal was found by Cheapflights users on 9/21. 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 3/16:07 am -
2 stops38h 38m
Mon 3/154:45 pm -
2 stops45h 28m
Deal found 9/21![Alaska Airlines logo]()
$1,528
This United Airlines deal was found by Cheapflights users on 9/22. 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 12/115:30 am -
3 stops19h 30m
Sat 1/97:45 am -
2 stops22h 41m
Deal found 9/22![United Airlines logo]()
$2,544
This United Airlines deal was found by Cheapflights users on 9/18. 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 -
3 stops19h 30m
Sun 12/67:45 am -
2 stops22h 30m
Deal found 9/18![United Airlines logo]()
$2,555
This Delta deal was found by Cheapflights users on 9/21. 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 10/29:51 am -
2 stops21h 04m
Wed 10/142:00 am -
2 stops47h 46m
Deal found 9/21![Delta logo]()
$2,833
This United Airlines deal was found by Cheapflights users on 9/18. 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 10/175:30 am -
3 stops19h 35m
Sat 10/241:00 pm -
2 stops18h 27m
Deal found 9/18![United Airlines logo]()
$2,880
This United Airlines deal was found by Cheapflights users on 9/18. 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 10/169:00 am -
2 stops19h 50m
Fri 10/237:10 am -
3 stops20h 00m
Deal found 9/18![United Airlines logo]()
$2,900
This United Airlines deal was found by Cheapflights users on 9/19. 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 -
2 stops19h 25m
Mon 3/157:45 am -
3 stops27h 46m
Deal found 9/19![United Airlines logo]()
$2,919
Last-minute flights from Portland to GuamDiscover last-minute flight deals from Portland to Guam. Data last updated September 23, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to Guam. Data last updated September 23, 2026 and is based on user searches.
This Alaska Airlines deal was found by Cheapflights users on 9/18. 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 9/18![Multiple Airlines logo]()
$1,223
This Travelocity deal was found by Cheapflights users on 9/21. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/256:20 am -
2 stops39h 15m
Fri 10/94:40 pm -
2 stops47h 22m
Deal found 9/21![Multiple Airlines logo]()
$1,432
This Priceline deal was found by Cheapflights users on 9/22. 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.
Sun 9/276:20 am -
2 stops39h 15m
Thu 10/14:40 pm -
2 stops38h 50m
Deal found 9/22![Multiple Airlines logo]()
$1,284
This Alaska Airlines deal was found by Cheapflights users on 9/22. 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 9/296:20 am -
2 stops39h 20m
Tue 10/64:40 pm -
2 stops46h 16m
Deal found 9/22![Multiple Airlines logo]()
$1,994
This Delta deal was found by Cheapflights users on 9/21. 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 10/16:00 am -
2 stops24h 55m
Wed 10/145:20 pm -
2 stops47h 24m
Deal found 9/21![Delta logo]()
$2,716
This Delta deal was found by Cheapflights users on 9/21. 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 10/29:51 am -
2 stops21h 04m
Wed 10/142:00 am -
2 stops47h 46m
Deal found 9/21![Delta logo]()
$2,833
This Delta deal was found by Cheapflights users on 9/18. 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 10/165:33 am -
2 stops25h 22m
Thu 10/222:00 am -
2 stops38h 47m
Deal found 9/18![Delta logo]()
$2,305
This Priceline deal was found by Cheapflights users on 9/18. 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.
Sat 10/173:48 pm -
2 stops53h 52m
Sat 10/244:40 pm -
2 stops46h 16m
Deal found 9/18![Alaska Airlines logo]()
$1,953
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 23, 2026.
Round-trip from | $1,432 (Alaska Airlines) |
|---|---|
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 23, 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
Mon 3/1
3:40 pm-2:45 pm
2 stops53h 05m
Tamuning Guam Intl
Wed 3/10
4:45 pm-12:22 pm
2 stops37h 37m
$1,482
PortlandTamuning
PDX Portland - GUM Tamuning Guam Intl
PDXGUM
Portland
Mon 3/1
6:07 am-2:45 pm
2 stops38h 38m
Tamuning Guam Intl
Mon 3/15
4:45 pm-9:13 pm
2 stops45h 28m
$1,528
PortlandTamuning
PDX Portland - GUM Tamuning Guam Intl
PDXGUM
Portland
Mon 3/1
5:35 am-7:00 pm
3 stops19h 25m
Tamuning Guam Intl
Wed 3/10
12:25 pm-2:27 pm
2 stops20h 02m
$2,215
PortlandTamuning
PDX Portland - GUM Tamuning Guam Intl
PDXGUM
Portland
Fri 10/16
5:33 am-11:55 pm
2 stops25h 22m
Tamuning Guam Intl
Thu 10/22
2:00 am-11:47 pm
2 stops38h 47m
$2,305
PortlandTamuning
PDX Portland - GUM Tamuning Guam Intl
PDXGUM
Portland
Fri 12/11
5:30 am-7:00 pm
3 stops19h 30m
Tamuning Guam Intl
Sat 1/9
7:45 am-12:26 pm
2 stops22h 41m
$2,544
PortlandTamuning
PDX Portland - GUM Tamuning Guam Intl
PDXGUM
Portland
Tue 12/1
5:30 am-7:00 pm
3 stops19h 30m
Tamuning Guam Intl
Sun 12/6
7:45 am-12:15 pm
2 stops22h 30m
$2,555
PortlandTamuning
PDX Portland - GUM Tamuning Guam Intl
PDXGUM
Portland
Fri 10/2
9:51 am-11:55 pm
2 stops21h 04m
Tamuning Guam Intl
Wed 10/14
2:00 am-8:46 am
2 stops47h 46m
$2,833
Quickest round-trip
PortlandTamuning
PDX Portland - GUM Tamuning Guam Intl
PDXGUM
Portland
Sat 10/17
5:30 am-6:05 pm
3 stops19h 35m
Tamuning Guam Intl
Sat 10/24
1:00 pm-2:27 pm
2 stops18h 27m
$2,880
PortlandTamuning
PDX Portland - GUM Tamuning Guam Intl
PDXGUM
Portland
Fri 10/16
9:00 am-9:50 pm
2 stops19h 50m
Tamuning Guam Intl
Fri 10/23
7:10 am-10:10 am
3 stops20h 00m
$2,900
PortlandTamuning
PDX Portland - GUM Tamuning Guam Intl
PDXGUM
Portland
Mon 3/1
5:35 am-7:00 pm
2 stops19h 25m
Tamuning Guam Intl
Mon 3/15
7:45 am-6:31 pm
3 stops27h 46m
$2,919
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.
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 23, 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.
Food
6.7
Crew
8.1
Entertainment
7.1
Overall
7.4
Boarding
7.7
Comfort
7.3
Reviews
1 / 20
8.0
ExcellentAsha,Sep 2026
LGA - IAH
Food
6.7
Crew
8.1
Entertainment
7.1
Overall
7.4
Boarding
7.7
Comfort
7.3
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 23, 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 23, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$1,817 | Average$2,154 | FlexibilityNo cancel fee | On-time69% |