$800+ 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 9/19. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — GUM
Sep 21 — Sep 281
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 August 22, 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 22, 2026.
This Travelocity deal was found by Cheapflights users on 8/21. 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.
Mon 10/199:31 am -
2 stops36h 09m
Mon 10/264:35 pm -
2 stops47h 27m
Deal found 8/21![Alaska Airlines logo]()
$1,164
This Orbitz deal was found by Cheapflights users on 8/20. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/269:30 am -
2 stops36h 05m
Wed 9/24:35 pm -
2 stops48h 20m
Deal found 8/20![Multiple Airlines logo]()
$1,214
This Expedia deal was found by Cheapflights users on 8/18. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/25:41 pm -
2 stops52h 54m
Thu 10/82:00 am -
2 stops38h 02m
Deal found 8/18![Multiple Airlines logo]()
$1,215
This Priceline deal was found by Cheapflights users on 8/18. 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.
Sun 9/138:14 am -
2 stops37h 21m
Wed 9/304:35 pm -
2 stops41h 15m
Deal found 8/18![Multiple Airlines logo]()
$1,327
This Expedia deal was found by Cheapflights users on 8/19. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/35:06 am -
2 stops41h 29m
Sat 10/105:20 pm -
2 stops46h 42m
Deal found 8/19![Multiple Airlines logo]()
$1,328
This Alaska Airlines deal was found by Cheapflights users on 8/17. 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.
Thu 9/39:30 am -
2 stops36h 05m
Thu 9/104:35 pm -
2 stops41h 15m
Deal found 8/17![Multiple Airlines logo]()
$1,438
This Alaska Airlines deal was found by Cheapflights users on 8/21. 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.
Sat 10/175:48 pm -
2 stops51h 52m
Mon 10/264:35 pm -
2 stops46h 21m
Deal found 8/21![Alaska Airlines logo]()
$1,533
This Alaska Airlines deal was found by Cheapflights users on 8/20. 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.
Sun 9/135:07 am -
2 stops40h 28m
Thu 9/174:35 pm -
2 stops47h 23m
Deal found 8/20![Multiple Airlines logo]()
$1,577
This Delta deal was found by Cheapflights users on 8/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/175:40 am -
2 stops25h 15m
Wed 9/232:00 am -
2 stops33h 16m
Deal found 8/20![Delta logo]()
$1,904
This United Airlines deal was found by Cheapflights users on 8/18. 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.
Thu 10/85:30 am -
2 stops19h 35m
Thu 10/227:10 am -
2 stops28h 21m
Deal found 8/18![United Airlines logo]()
$2,129
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 22, 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 22, 2026.
This Priceline deal was found by Cheapflights users on 8/18. 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.
Sun 9/138:14 am -
2 stops37h 21m
Wed 9/304:35 pm -
2 stops41h 15m
Deal found 8/18![Multiple Airlines logo]()
$1,327
This Alaska Airlines deal was found by Cheapflights users on 8/21. 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.
Sat 10/175:48 pm -
2 stops51h 52m
Mon 10/264:35 pm -
2 stops46h 21m
Deal found 8/21![Alaska Airlines logo]()
$1,533
This United Airlines deal was found by Cheapflights users on 8/17. 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.
Fri 1/15:30 am -
2 stops19h 30m
Sun 1/317:55 pm -
2 stops42h 38m
Deal found 8/17![United Airlines logo]()
$1,944
This Alaska Airlines deal was found by Cheapflights users on 8/17. 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.
Thu 9/39:30 am -
2 stops36h 05m
Thu 9/104:35 pm -
2 stops41h 15m
Deal found 8/17![Multiple Airlines logo]()
$1,438
This Alaska Airlines deal was found by Cheapflights users on 8/20. 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.
Sun 9/135:07 am -
2 stops40h 28m
Thu 9/174:35 pm -
2 stops47h 23m
Deal found 8/20![Multiple Airlines logo]()
$1,577
This United Airlines deal was found by Cheapflights users on 8/18. 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.
Thu 10/85:30 am -
2 stops19h 35m
Thu 10/227:10 am -
2 stops28h 21m
Deal found 8/18![United Airlines logo]()
$2,129
This United Airlines deal was found by Cheapflights users on 8/17. 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.
Sat 2/67:49 pm -
2 stops29h 11m
Wed 2/107:45 am -
2 stops30h 48m
Deal found 8/17![United Airlines logo]()
$2,179
This United Airlines deal was found by Cheapflights users on 8/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/176:44 am -
2 stops18h 21m
Mon 10/267:45 am -
3 stops19h 33m
Deal found 8/21![United Airlines logo]()
$2,534
This United Airlines deal was found by Cheapflights users on 8/19. 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.
Sat 10/35:30 am -
3 stops19h 35m
Sat 10/107:10 am -
2 stops20h 05m
Deal found 8/19![United Airlines logo]()
$2,586
Last-minute flights from Portland to GuamDiscover last-minute flight deals from Portland to Guam. Data last updated August 22, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to Guam. Data last updated August 22, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 8/19. 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 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 8/19![Delta logo]()
$2,716
This United Airlines deal was found by Cheapflights users on 8/19. 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.
Sun 8/237:00 am -
2 stops18h 05m
Tue 8/257:30 pm -
2 stops36h 17m
Deal found 8/19![United Airlines logo]()
$2,904
This Orbitz deal was found by Cheapflights users on 8/20. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/269:30 am -
2 stops36h 05m
Wed 9/24:35 pm -
2 stops48h 20m
Deal found 8/20![Multiple Airlines logo]()
$1,214
This Alaska Airlines deal was found by Cheapflights users on 8/17. 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.
Thu 9/39:30 am -
2 stops36h 05m
Thu 9/104:35 pm -
2 stops41h 15m
Deal found 8/17![Multiple Airlines logo]()
$1,438
This Delta deal was found by Cheapflights users on 8/21. 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 9/39:29 am -
2 stops21h 26m
Wed 9/92:00 am -
2 stops32h 10m
Deal found 8/21![Delta logo]()
$2,616
This Priceline deal was found by Cheapflights users on 8/18. 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.
Sun 9/138:14 am -
2 stops37h 21m
Wed 9/304:35 pm -
2 stops41h 15m
Deal found 8/18![Multiple Airlines logo]()
$1,327
This Alaska Airlines deal was found by Cheapflights users on 8/20. 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.
Sun 9/135:07 am -
2 stops40h 28m
Thu 9/174:35 pm -
2 stops47h 23m
Deal found 8/20![Multiple Airlines logo]()
$1,577
This United Airlines deal was found by Cheapflights users on 8/18. 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.
Sun 9/135:30 am -
2 stops19h 35m
Wed 9/307:10 am -
3 stops20h 05m
Deal found 8/18![United Airlines logo]()
$2,826
This Delta deal was found by Cheapflights users on 8/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/175:40 am -
2 stops25h 15m
Wed 9/232:00 am -
2 stops33h 16m
Deal found 8/20![Delta logo]()
$1,904
This United Airlines deal was found by Cheapflights users on 8/20. 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.
Thu 9/177:00 am -
2 stops18h 05m
Thu 9/247:10 am -
3 stops20h 05m
Deal found 8/20![United Airlines logo]()
$2,838
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 22, 2026.
Search for one-way flight options from Portland to Guam. Find affordable one-way fares based on user searches. Data last updated August 22, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/195:41 pm -
3 stops28h 24m
Deal found 8/20![Multiple Airlines logo]()
$800
This Kiwi.com deal was found by Cheapflights users on 8/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/810:28 am -
2 stops45h 32m
Deal found 8/19![Multiple Airlines logo]()
$851
This Alaska Airlines deal was found by Cheapflights users on 8/18. 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.
Thu 10/82:30 pm -
2 stops55h 10m
Deal found 8/18![Alaska Airlines logo]()
$1,291
This United Airlines deal was found by Cheapflights users on 8/19. 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.
Thu 10/85:30 am -
3 stops19h 35m
Deal found 8/19![United Airlines logo]()
$2,238
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 22, 2026.
Round-trip from | $1,164 (Travelocity) |
|---|---|
One-way from | $800 (Kiwi.com) |
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 7,457,451 searches. Data last updated August 22, 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
Sun 9/13
8:14 am-2:35 pm
2 stops37h 21m
Tamuning Guam Intl
Wed 9/30
4:35 pm-4:50 pm
2 stops41h 15m
$1,327
PortlandTamuning
PDX Portland - GUM Tamuning Guam Intl
PDXGUM
Portland
Thu 9/3
9:30 am-2:35 pm
2 stops36h 05m
Tamuning Guam Intl
Thu 9/10
4:35 pm-4:50 pm
2 stops41h 15m
$1,438
PortlandTamuning
PDX Portland - GUM Tamuning Guam Intl
PDXGUM
Portland
Sat 10/17
5:48 pm-2:40 pm
2 stops51h 52m
Tamuning Guam Intl
Mon 10/26
4:35 pm-9:56 pm
2 stops46h 21m
$1,533
PortlandTamuning
PDX Portland - GUM Tamuning Guam Intl
PDXGUM
Portland
Sun 9/13
5:07 am-2:35 pm
2 stops40h 28m
Tamuning Guam Intl
Thu 9/17
4:35 pm-10:58 pm
2 stops47h 23m
$1,577
PortlandTamuning
PDX Portland - GUM Tamuning Guam Intl
PDXGUM
Portland
Fri 1/1
5:30 am-7:00 pm
2 stops19h 30m
Tamuning Guam Intl
Sun 1/31
7:55 pm-8:33 pm
2 stops42h 38m
$1,944
PortlandTamuning
PDX Portland - GUM Tamuning Guam Intl
PDXGUM
Portland
Thu 10/8
5:30 am-6:05 pm
2 stops19h 35m
Tamuning Guam Intl
Thu 10/22
7:10 am-6:31 pm
2 stops28h 21m
$2,129
PortlandTamuning
PDX Portland - GUM Tamuning Guam Intl
PDXGUM
Portland
Sat 2/6
7:49 pm-7:00 pm
2 stops29h 11m
Tamuning Guam Intl
Wed 2/10
7:45 am-8:33 pm
2 stops30h 48m
$2,179
Quickest round-trip
PortlandTamuning
PDX Portland - GUM Tamuning Guam Intl
PDXGUM
Portland
Sat 10/17
6:44 am-6:05 pm
2 stops18h 21m
Tamuning Guam Intl
Mon 10/26
7:45 am-10:18 am
3 stops19h 33m
$2,534
PortlandTamuning
PDX Portland - GUM Tamuning Guam Intl
PDXGUM
Portland
Sat 10/3
5:30 am-6:05 pm
3 stops19h 35m
Tamuning Guam Intl
Sat 10/10
7:10 am-10:15 am
2 stops20h 05m
$2,586
Cheapest one-way
PortlandTamuning
PDX Portland - GUM Tamuning Guam Intl
PDXGUM
Portland
Sat 9/19
5:41 pm-3:05 pm
3 stops28h 24m
$800
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 August 22, 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
Boarding
7.7
Overall
7.4
Food
6.7
Crew
8.1
Comfort
7.3
Reviews
1 / 20
4.0
OkayChris,Aug 2026
MIA - ORD
Entertainment
7.1
Boarding
7.7
Overall
7.4
Food
6.7
Crew
8.1
Comfort
7.3
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.
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 August 22, 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 August 22, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$1,817 | Average$2,174 | FlexibilityNo cancel fee | On-time69% |