$577+ 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 12 — Oct 191
Round-trip
1 adult, Economy
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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
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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 12, 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 12, 2026.
This Priceline deal was found by Cheapflights users on 9/8. 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 9/129:32 pm -
2 stops48h 03m
Sat 9/194:35 pm -
2 stops44h 15m
Deal found 9/8![Multiple Airlines logo]()
$1,172
This SmartFares deal was found by Cheapflights users on 9/12. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/226:20 am -
2 stops39h 15m
Fri 9/254:35 pm -
2 stops38h 55m
Deal found 9/12![Multiple Airlines logo]()
$1,200
This Alaska Airlines deal was found by Cheapflights users on 9/8. 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 9/278:14 am -
2 stops37h 21m
Thu 10/14:40 pm -
2 stops46h 21m
Deal found 9/8![Multiple Airlines logo]()
$1,216
This Alaska 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/145:07 am -
2 stops40h 28m
Wed 9/164:35 pm -
2 stops46h 26m
Deal found 9/10![Multiple Airlines logo]()
$1,217
This Alaska 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 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 9/10![Multiple Airlines logo]()
$1,363
This Priceline deal was found by Cheapflights users on 9/9. 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.
Wed 11/117:00 am -
2 stops37h 45m
Wed 11/254:45 pm -
2 stops42h 38m
Deal found 9/9![Multiple Airlines logo]()
$1,790
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 12, 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 12, 2026.
This Alaska Airlines deal was found by Cheapflights users on 9/8. 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 9/278:14 am -
2 stops37h 21m
Thu 10/14:40 pm -
2 stops46h 21m
Deal found 9/8![Multiple Airlines logo]()
$1,216
This United Airlines deal was found by Cheapflights users on 9/12. 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 11/185:30 am -
2 stops19h 30m
Wed 11/257:45 am -
2 stops22h 37m
Deal found 9/12![United Airlines logo]()
$1,819
This Delta deal was found by Cheapflights users on 9/9. 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 9/237:00 am -
2 stops39h 35m
Sat 9/265:20 pm -
2 stops45h 42m
Deal found 9/9![Delta logo]()
$2,267
This Alaska Airlines deal was found by Cheapflights users on 9/11. 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 9/223:00 pm -
2 stops54h 35m
Fri 9/254:35 pm -
2 stops38h 55m
Deal found 9/11![Multiple Airlines logo]()
$1,223
This Priceline deal was found by Cheapflights users on 9/9. 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.
Wed 11/117:00 am -
2 stops37h 45m
Wed 11/254:45 pm -
2 stops42h 38m
Deal found 9/9![Multiple Airlines logo]()
$1,790
This United Airlines deal was found by Cheapflights users on 9/9. 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 11/115:30 am -
3 stops19h 30m
Wed 11/257:45 am -
2 stops22h 37m
Deal found 9/9![United Airlines logo]()
$2,186
This Delta deal was found by Cheapflights users on 9/11. 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 9/226:00 am -
2 stops24h 55m
Thu 9/242:00 am -
2 stops32h 09m
Deal found 9/11![Delta logo]()
$2,781
This United Airlines deal was found by Cheapflights users on 9/7. 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 12/215:30 am -
2 stops19h 30m
Sun 12/277:45 am -
3 stops22h 18m
Deal found 9/7![United Airlines logo]()
$2,705
This United Airlines deal was found by Cheapflights users on 9/8. 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 10/75:30 am -
2 stops19h 35m
Wed 10/147:10 am -
3 stops20h 00m
Deal found 9/8![United Airlines logo]()
$2,740
Last-minute flights from Portland to GuamDiscover last-minute flight deals from Portland to Guam. Data last updated September 12, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to Guam. Data last updated September 12, 2026 and is based on user searches.
This Priceline deal was found by Cheapflights users on 9/8. 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 9/129:32 pm -
2 stops48h 03m
Sat 9/194:35 pm -
2 stops44h 15m
Deal found 9/8![Multiple Airlines logo]()
$1,172
This Alaska 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/145:07 am -
2 stops40h 28m
Wed 9/164:35 pm -
2 stops46h 26m
Deal found 9/10![Multiple Airlines logo]()
$1,217
This SmartFares deal was found by Cheapflights users on 9/12. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/226:20 am -
2 stops39h 15m
Fri 9/254:35 pm -
2 stops38h 55m
Deal found 9/12![Multiple Airlines logo]()
$1,200
This Alaska Airlines deal was found by Cheapflights users on 9/8. 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 9/278:14 am -
2 stops37h 21m
Thu 10/14:40 pm -
2 stops46h 21m
Deal found 9/8![Multiple Airlines logo]()
$1,216
This Alaska 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 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 9/10![Multiple Airlines logo]()
$1,363
This Travelocity deal was found by Cheapflights users on 9/8. 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.
Wed 10/78:09 am -
2 stops37h 31m
Wed 10/144:40 pm -
2 stops58h 07m
Deal found 9/8![Alaska Airlines logo]()
$2,138
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 12, 2026.
Search for one-way flight options from Portland to Guam. Find affordable one-way fares based on user searches. Data last updated September 12, 2026.
This SmartFares deal was found by Cheapflights users on 9/12. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/225:41 pm -
2 stops51h 54m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/12![Multiple Airlines logo]()
$577
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 12, 2026.
Round-trip from | $1,200 (HIS) |
|---|---|
One-way from | $577 (SmartFares) |
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 12, 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 9/22
5:41 pm-2:35 pm
2 stops51h 54m
Tamuning Guam Intl
Wed 12/31
12:00 am-6:00 am
Nonstop0h 00m
$577
PortlandTamuning
PDX Portland - GUM Tamuning Guam Intl
PDXGUM
Portland
Sun 9/27
8:14 am-2:35 pm
2 stops37h 21m
Tamuning Guam Intl
Thu 10/1
4:40 pm-10:01 pm
2 stops46h 21m
$1,216
PortlandTamuning
PDX Portland - GUM Tamuning Guam Intl
PDXGUM
Portland
Tue 9/22
3:00 pm-2:35 pm
2 stops54h 35m
Tamuning Guam Intl
Fri 9/25
4:35 pm-2:30 pm
2 stops38h 55m
$1,223
PortlandTamuning
PDX Portland - GUM Tamuning Guam Intl
PDXGUM
Portland
Wed 11/11
7:00 am-2:45 pm
2 stops37h 45m
Tamuning Guam Intl
Wed 11/25
4:45 pm-5:23 pm
2 stops42h 38m
$1,790
PortlandTamuning
PDX Portland - GUM Tamuning Guam Intl
PDXGUM
Portland
Wed 11/18
5:30 am-7:00 pm
2 stops19h 30m
Tamuning Guam Intl
Wed 11/25
7:45 am-12:22 pm
2 stops22h 37m
$1,819
PortlandTamuning
PDX Portland - GUM Tamuning Guam Intl
PDXGUM
Portland
Wed 11/11
5:30 am-7:00 pm
3 stops19h 30m
Tamuning Guam Intl
Wed 11/25
7:45 am-12:22 pm
2 stops22h 37m
$2,186
PortlandTamuning
PDX Portland - GUM Tamuning Guam Intl
PDXGUM
Portland
Wed 9/23
7:00 am-3:35 pm
2 stops39h 35m
Tamuning Guam Intl
Sat 9/26
5:20 pm-10:02 pm
2 stops45h 42m
$2,267
PortlandTamuning
PDX Portland - GUM Tamuning Guam Intl
PDXGUM
Portland
Mon 12/21
5:30 am-7:00 pm
2 stops19h 30m
Tamuning Guam Intl
Sun 12/27
7:45 am-12:03 pm
3 stops22h 18m
$2,705
Quickest round-trip
PortlandTamuning
PDX Portland - GUM Tamuning Guam Intl
PDXGUM
Portland
Wed 10/7
5:30 am-6:05 pm
2 stops19h 35m
Tamuning Guam Intl
Wed 10/14
7:10 am-10:10 am
3 stops20h 00m
$2,740
PortlandTamuning
PDX Portland - GUM Tamuning Guam Intl
PDXGUM
Portland
Tue 9/22
6:00 am-11:55 pm
2 stops24h 55m
Tamuning Guam Intl
Thu 9/24
2:00 am-5:09 pm
2 stops32h 09m
$2,781
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 12, 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.
Comfort
7.3
Food
6.7
Crew
8.1
Overall
7.4
Boarding
7.7
Entertainment
7.1
Reviews
1 / 20
4.0
OkayChris,Aug 2026
MIA - ORD
Comfort
7.3
Food
6.7
Crew
8.1
Overall
7.4
Boarding
7.7
Entertainment
7.1
Reviews
1 / 20
4.0
OkayChris,Aug 2026
MIA - ORD
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.
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Alternative routes for Portland to Guam
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Complete your trip
Complete your trip to Guam by adding a car rental and/or hotel reservation to your travel itinerary.
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Portland and Guam flights
Browse other Portland and Guam flight options. Last updated on September 12, 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 12, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$1,817 | Average$2,174 | FlexibilityNo cancel fee | On-time69% |