$576+ 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 8/25. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — GUM
Sep 11 — Sep 181
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
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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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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 August 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 August 12, 2026.
This Expedia deal was found by Cheapflights users on 8/12. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/109:34 pm -
2 stops49h 01m
Wed 9/165:20 pm -
2 stops43h 30m
Deal found 8/12![Multiple Airlines logo]()
$1,096
This Expedia deal was found by Cheapflights users on 8/8. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/67:09 am -
2 stops38h 26m
Sun 9/135:20 pm -
2 stops62h 10m
Deal found 8/8![Multiple Airlines logo]()
$1,134
This Alaska Airlines deal was found by Cheapflights users on 8/7. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/285:41 pm -
2 stops51h 54m
Sun 9/64:35 pm -
2 stops56h 43m
Deal found 8/7![Multiple Airlines logo]()
$1,228
This Alaska Airlines deal was found by Cheapflights users on 8/7. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/35:07 am -
2 stops40h 28m
Thu 9/104:35 pm -
2 stops38h 55m
Deal found 8/7![Multiple Airlines logo]()
$1,266
This Priceline deal was found by Cheapflights users on 8/10. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/246:20 am -
2 stops39h 15m
Wed 9/302:00 am -
2 stops31h 50m
Deal found 8/10![Multiple Airlines logo]()
$1,316
This Alaska Airlines deal was found by Cheapflights users on 8/11. 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 11/247:00 am -
2 stops37h 35m
Tue 12/84:35 pm -
2 stops40h 20m
Deal found 8/11![Alaska Airlines logo]()
$1,400
This Alaska Airlines deal was found by Cheapflights users on 8/9. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/87:09 am -
2 stops38h 26m
Fri 9/254:35 pm -
2 stops43h 03m
Deal found 8/9![Multiple Airlines logo]()
$1,714
This United Airlines deal was found by Cheapflights users on 8/8. 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.
Tue 11/245:36 am -
2 stops19h 24m
Tue 12/87:45 am -
2 stops22h 40m
Deal found 8/8![United Airlines logo]()
$1,819
This United Airlines deal was found by Cheapflights users on 8/9. 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.
Tue 12/157:49 pm -
2 stops29h 11m
Thu 12/317:45 am -
2 stops24h 35m
Deal found 8/9![United Airlines logo]()
$1,919
This Delta deal was found by Cheapflights users on 8/7. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/246:00 am -
2 stops40h 35m
Tue 9/12:00 am -
2 stops38h 56m
Deal found 8/7![Delta logo]()
$2,114
This United Airlines deal was found by Cheapflights users on 8/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/245:30 am -
3 stops19h 35m
Thu 10/17:10 am -
2 stops20h 05m
Deal found 8/10![United Airlines logo]()
$2,500
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 August 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 August 12, 2026.
This Alaska Airlines deal was found by Cheapflights users on 8/7. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/285:41 pm -
2 stops51h 54m
Sun 9/64:35 pm -
2 stops56h 43m
Deal found 8/7![Multiple Airlines logo]()
$1,228
This Alaska Airlines deal was found by Cheapflights users on 8/11. 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 11/247:00 am -
2 stops37h 35m
Tue 12/84:35 pm -
2 stops40h 20m
Deal found 8/11![Alaska Airlines logo]()
$1,400
This United Airlines deal was found by Cheapflights users on 8/8. 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.
Tue 11/245:36 am -
2 stops19h 24m
Tue 12/87:45 am -
2 stops22h 40m
Deal found 8/8![United Airlines logo]()
$1,819
This Alaska Airlines deal was found by Cheapflights users on 8/11. 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.
Thu 9/35:07 am -
2 stops40h 28m
Thu 9/104:35 pm -
2 stops38h 55m
Deal found 8/11![Multiple Airlines logo]()
$1,266
This Alaska Airlines deal was found by Cheapflights users on 8/11. 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.
Fri 1/299:40 am -
2 stops34h 55m
Tue 2/24:35 pm -
2 stops46h 38m
Deal found 8/11![Alaska Airlines logo]()
$1,450
This Expedia deal was found by Cheapflights users on 8/8. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/99:59 pm -
2 stops46h 36m
Sat 1/164:35 pm -
2 stops37h 47m
Deal found 8/8![Multiple Airlines logo]()
$1,347
This United Airlines deal was found by Cheapflights users on 8/12. 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.
Tue 12/157:49 pm -
2 stops29h 11m
Thu 12/317:45 am -
2 stops24h 35m
Deal found 8/12![United Airlines logo]()
$1,919
This Alaska Airlines deal was found by Cheapflights users on 8/9. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/87:09 am -
2 stops38h 26m
Fri 9/254:35 pm -
2 stops43h 03m
Deal found 8/9![Multiple Airlines logo]()
$1,714
This United Airlines deal was found by Cheapflights users on 8/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/65:35 am -
3 stops19h 25m
Sat 2/207:45 am -
2 stops24h 42m
Deal found 8/10![United Airlines logo]()
$2,295
Last-minute flights from Portland to GuamDiscover last-minute flight deals from Portland to Guam. Data last updated August 12, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to Guam. Data last updated August 12, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 8/11. 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.
Sun 8/165:54 pm -
2 stops37h 01m
Mon 8/242:00 am -
2 stops38h 56m
Deal found 8/11![Delta logo]()
$2,783
This Delta deal was found by Cheapflights users on 8/11. 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.
Sat 8/227:05 am -
2 stops39h 30m
Sat 8/295:20 pm -
2 stops43h 24m
Deal found 8/11![Delta logo]()
$2,716
This Delta deal was found by Cheapflights users on 8/7. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/246:00 am -
2 stops40h 35m
Tue 9/12:00 am -
2 stops38h 56m
Deal found 8/7![Delta logo]()
$2,114
This Delta deal was found by Cheapflights users on 8/7. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/245:30 am -
2 stops41h 05m
Thu 8/272:00 am -
2 stops38h 56m
Deal found 8/7![Delta logo]()
$2,666
This Alaska Airlines deal was found by Cheapflights users on 8/7. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/285:41 pm -
2 stops51h 54m
Sun 9/64:35 pm -
2 stops56h 43m
Deal found 8/7![Multiple Airlines logo]()
$1,228
This Alaska Airlines deal was found by Cheapflights users on 8/11. 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.
Thu 9/35:07 am -
2 stops40h 28m
Thu 9/104:35 pm -
2 stops38h 55m
Deal found 8/11![Multiple Airlines logo]()
$1,266
This Expedia deal was found by Cheapflights users on 8/8. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/67:09 am -
2 stops38h 26m
Sun 9/135:20 pm -
2 stops62h 10m
Deal found 8/8![Multiple Airlines logo]()
$1,134
This Alaska Airlines deal was found by Cheapflights users on 8/9. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/87:09 am -
2 stops38h 26m
Fri 9/254:35 pm -
2 stops43h 03m
Deal found 8/9![Multiple Airlines logo]()
$1,714
This Expedia deal was found by Cheapflights users on 8/12. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/109:34 pm -
2 stops49h 01m
Wed 9/165:20 pm -
2 stops43h 30m
Deal found 8/12![Multiple Airlines logo]()
$1,096
This Priceline deal was found by Cheapflights users on 8/10. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/246:20 am -
2 stops39h 15m
Wed 9/302:00 am -
2 stops31h 50m
Deal found 8/10![Multiple Airlines logo]()
$1,316
This United Airlines deal was found by Cheapflights users on 8/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/245:30 am -
3 stops19h 35m
Thu 10/17:10 am -
2 stops20h 05m
Deal found 8/10![United Airlines logo]()
$2,500
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 August 12, 2026.
Search for one-way flight options from Portland to Guam. Find affordable one-way fares based on user searches. Data last updated August 12, 2026.
This SmartFares deal was found by Cheapflights users on 8/11. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/255:41 pm -
2 stops51h 54m
Deal found 8/11![Multiple Airlines logo]()
$576
This Priceline deal was found by Cheapflights users on 8/8. 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 1/99:59 pm -
2 stops46h 36m
Deal found 8/8![Alaska Airlines logo]()
$593
This Priceline deal was found by Cheapflights users on 8/8. 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 1/167:10 am -
2 stops37h 25m
Deal found 8/8![Multiple Airlines logo]()
$711
This Alaska Airlines deal was found by Cheapflights users on 8/8. 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.
Sat 11/219:30 pm -
2 stops47h 05m
Deal found 8/8![Alaska Airlines logo]()
$759
This Kiwi.com deal was found by Cheapflights users on 8/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/211:53 pm -
3 stops30h 42m
Deal found 8/8![Multiple Airlines logo]()
$960
This Kiwi.com deal was found by Cheapflights users on 8/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/99:40 am -
3 stops35h 35m
Deal found 8/8![Multiple Airlines logo]()
$1,145
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 August 12, 2026.
Round-trip from | $1,090 (Expedia) |
|---|---|
One-way from | $576 (SmartFares) |
Popular in | January |
Cheapest in | June |
Average price | $2,854 |
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 August 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
Fri 8/28
5:41 pm-2:35 pm
2 stops51h 54m
Tamuning Guam Intl
Sun 9/6
4:35 pm-8:18 am
2 stops56h 43m
$1,228
PortlandTamuning
PDX Portland - GUM Tamuning Guam Intl
PDXGUM
Portland
Thu 9/3
5:07 am-2:35 pm
2 stops40h 28m
Tamuning Guam Intl
Thu 9/10
4:35 pm-2:30 pm
2 stops38h 55m
$1,266
PortlandTamuning
PDX Portland - GUM Tamuning Guam Intl
PDXGUM
Portland
Sat 1/9
9:59 pm-2:35 pm
2 stops46h 36m
Tamuning Guam Intl
Sat 1/16
4:35 pm-12:22 pm
2 stops37h 47m
$1,347
PortlandTamuning
PDX Portland - GUM Tamuning Guam Intl
PDXGUM
Portland
Tue 11/24
7:00 am-2:35 pm
2 stops37h 35m
Tamuning Guam Intl
Tue 12/8
4:35 pm-2:55 pm
2 stops40h 20m
$1,400
PortlandTamuning
PDX Portland - GUM Tamuning Guam Intl
PDXGUM
Portland
Fri 1/29
9:40 am-2:35 pm
2 stops34h 55m
Tamuning Guam Intl
Tue 2/2
4:35 pm-9:13 pm
2 stops46h 38m
$1,450
PortlandTamuning
PDX Portland - GUM Tamuning Guam Intl
PDXGUM
Portland
Tue 9/8
7:09 am-2:35 pm
2 stops38h 26m
Tamuning Guam Intl
Fri 9/25
4:35 pm-6:38 pm
2 stops43h 03m
$1,714
Quickest round-trip
PortlandTamuning
PDX Portland - GUM Tamuning Guam Intl
PDXGUM
Portland
Tue 11/24
5:36 am-7:00 pm
2 stops19h 24m
Tamuning Guam Intl
Tue 12/8
7:45 am-12:25 pm
2 stops22h 40m
$1,819
PortlandTamuning
PDX Portland - GUM Tamuning Guam Intl
PDXGUM
Portland
Tue 12/15
7:49 pm-7:00 pm
2 stops29h 11m
Tamuning Guam Intl
Thu 12/31
7:45 am-2:20 pm
2 stops24h 35m
$1,919
PortlandTamuning
PDX Portland - GUM Tamuning Guam Intl
PDXGUM
Portland
Sat 2/6
5:35 am-7:00 pm
3 stops19h 25m
Tamuning Guam Intl
Sat 2/20
7:45 am-2:27 pm
2 stops24h 42m
$2,295
Cheapest one-way
PortlandTamuning
PDX Portland - GUM Tamuning Guam Intl
PDXGUM
Portland
Tue 8/25
5:41 pm-2:35 pm
2 stops51h 54m
$576
Showing 1-10 of 15 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 August 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.
Food
6.7
Overall
7.4
Comfort
7.3
Crew
8.1
Boarding
7.7
Entertainment
7.1
Reviews
1 / 20
2.0
MediocreDawn,Aug 2026
ORD - DEN
Food
6.7
Overall
7.4
Comfort
7.3
Crew
8.1
Boarding
7.7
Entertainment
7.1
Reviews
1 / 20
2.0
MediocreDawn,Aug 2026
ORD - DEN
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
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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 August 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 2,558,603 searches. Data last updated August 12, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$1,817 | Average$2,192 | FlexibilityNo cancel fee | On-time69% |