$864+ 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 7/12. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — GUM
May 9 — May 161
Round-trip
1 adult, Economy
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Find cheap flights from Portland to Guam with Cheapflights
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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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Last-minute
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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 April 9, 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 April 9, 2026.
This Expedia deal was found by Cheapflights users on 4/7. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/77:27 pm
PDX
- GUM
2 stops50h 13m
Multiple Airlines
Tue 5/124:40 pm
GUM
- PDX
2 stops45h 48m
Multiple Airlines
Deal found 4/7![Multiple Airlines logo]()
$1,476
This Expedia deal was found by Cheapflights users on 4/5. 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 5/31:52 pm
PDX
- GUM
2 stops55h 48m
Multiple Airlines
Sun 5/104:40 pm
GUM
- PDX
2 stops43h 54m
Multiple Airlines
Deal found 4/5![Multiple Airlines logo]()
$1,614
This Expedia deal was found by Cheapflights users on 4/6. 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.
Wed 5/205:00 am
PDX
- GUM
2 stops40h 40m
Multiple Airlines
Fri 5/224:40 pm
GUM
- PDX
2 stops45h 48m
Multiple Airlines
Deal found 4/6![Multiple Airlines logo]()
$1,694
This Expedia deal was found by Cheapflights users on 4/8. 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.
Tue 4/211:35 pm
PDX
- GUM
2 stops56h 05m
Multiple Airlines
Fri 4/244:40 pm
GUM
- PDX
2 stops44h 37m
Multiple Airlines
Deal found 4/8![Multiple Airlines logo]()
$1,789
This Expedia deal was found by Cheapflights users on 4/6. 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.
Mon 4/2010:10 am
PDX
- GUM
2 stops36h 25m
Multiple Airlines
Thu 4/234:40 pm
GUM
- PDX
2 stops42h 56m
Multiple Airlines
Deal found 4/6![Multiple Airlines logo]()
$1,795
This United Airlines deal was found by Cheapflights users on 4/8. 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.
Sun 10/187:44 pm
PDX
- GUM
2 stops29h 21m
United Airlines
Sat 10/317:25 am
GUM
- PDX
2 stops30h 08m
United Airlines
Deal found 4/8![United Airlines logo]()
$1,869
This United Airlines deal was found by Cheapflights users on 4/6. 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 12/285:35 am
PDX
- GUM
2 stops19h 15m
United Airlines
Mon 1/117:25 am
GUM
- PDX
2 stops29h 06m
United Airlines
Deal found 4/6![United Airlines logo]()
$1,919
This United Airlines deal was found by Cheapflights users on 4/8. 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 7/75:15 am
PDX
- GUM
2 stops41h 35m
United Airlines
Thu 7/167:05 am
GUM
- PDX
2 stops20h 15m
United Airlines
Deal found 4/8![United Airlines logo]()
$1,939
This United Airlines deal was found by Cheapflights users on 4/7. 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.
Sun 8/1611:09 am
PDX
- GUM
2 stops37h 56m
United Airlines
Sat 8/297:15 am
GUM
- PDX
2 stops24h 32m
United Airlines
Deal found 4/7![United Airlines logo]()
$2,012
This United Airlines deal was found by Cheapflights users on 4/5. 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 7/115:15 am
PDX
- GUM
2 stops41h 35m
United Airlines
Sun 7/267:15 am
GUM
- PDX
2 stops34h 35m
United Airlines
Deal found 4/5![United Airlines logo]()
$2,052
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 April 9, 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 April 9, 2026.
This Expedia deal was found by Cheapflights users on 4/5. 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 5/31:52 pm
PDX
- GUM
2 stops55h 48m
Multiple Airlines
Sun 5/104:40 pm
GUM
- PDX
2 stops43h 54m
Multiple Airlines
Deal found 4/5![Multiple Airlines logo]()
$1,614
This United Airlines deal was found by Cheapflights users on 4/8. 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 7/75:15 am
PDX
- GUM
2 stops41h 35m
United Airlines
Thu 7/167:05 am
GUM
- PDX
2 stops20h 15m
United Airlines
Deal found 4/8![United Airlines logo]()
$1,939
This Delta deal was found by Cheapflights users on 4/5. 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 5/229:20 am
PDX
- GUM
2 stops21h 35m
Delta
Fri 6/55:20 pm
GUM
- PDX
2 stops40h 49m
Delta
Deal found 4/5![Delta logo]()
$2,583
This Expedia deal was found by Cheapflights users on 4/6. 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.
Mon 4/2010:10 am
PDX
- GUM
2 stops36h 25m
Multiple Airlines
Thu 4/234:40 pm
GUM
- PDX
2 stops42h 56m
Multiple Airlines
Deal found 4/6![Multiple Airlines logo]()
$1,795
This United Airlines deal was found by Cheapflights users on 4/6. 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 5/95:35 pm
PDX
- GUM
2 stops55h 30m
United Airlines
Sun 5/247:30 pm
GUM
- PDX
2 stops44h 18m
United Airlines
Deal found 4/6![United Airlines logo]()
$2,181
This United Airlines deal was found by Cheapflights users on 4/5. 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 5/35:35 pm
PDX
- GUM
2 stops31h 30m
United Airlines
Sun 5/107:30 pm
GUM
- PDX
2 stops42h 28m
United Airlines
Deal found 4/5![United Airlines logo]()
$2,370
This United Airlines deal was found by Cheapflights users on 4/9. 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.
Fri 5/225:15 am
PDX
- GUM
3 stops30h 05m
United Airlines
Fri 6/57:05 am
GUM
- PDX
2 stops22h 03m
United Airlines
Deal found 4/9![United Airlines logo]()
$2,832
This United Airlines deal was found by Cheapflights users on 4/6. 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 4/205:30 am
PDX
- GUM
3 stops23h 15m
United Airlines
Thu 4/2312:10 pm
GUM
- PDX
2 stops19h 21m
United Airlines
Deal found 4/6![United Airlines logo]()
$2,988
Last-minute flights from Portland to GuamDiscover last-minute flight deals from Portland to Guam. Data last updated April 9, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to Guam. Data last updated April 9, 2026 and is based on user searches.
This Travelocity deal was found by Cheapflights users on 4/4. 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 4/810:10 am
PDX
- GUM
2 stops35h 30m
Multiple Airlines
Fri 4/104:40 pm
GUM
- PDX
2 stops46h 58m
Multiple Airlines
Deal found 4/4![Multiple Airlines logo]()
$2,440
This Expedia deal was found by Cheapflights users on 4/6. 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.
Mon 4/2010:10 am
PDX
- GUM
2 stops36h 25m
Multiple Airlines
Thu 4/234:40 pm
GUM
- PDX
2 stops42h 56m
Multiple Airlines
Deal found 4/6![Multiple Airlines logo]()
$1,795
This Expedia deal was found by Cheapflights users on 4/8. 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.
Tue 4/211:35 pm
PDX
- GUM
2 stops56h 05m
Multiple Airlines
Fri 4/244:40 pm
GUM
- PDX
2 stops44h 37m
Multiple Airlines
Deal found 4/8![Multiple Airlines logo]()
$1,789
This Expedia deal was found by Cheapflights users on 4/5. 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 5/31:52 pm
PDX
- GUM
2 stops55h 48m
Multiple Airlines
Sun 5/104:40 pm
GUM
- PDX
2 stops43h 54m
Multiple Airlines
Deal found 4/5![Multiple Airlines logo]()
$1,614
This United Airlines deal was found by Cheapflights users on 4/5. 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 5/35:35 pm
PDX
- GUM
2 stops31h 30m
United Airlines
Sun 5/107:30 pm
GUM
- PDX
2 stops42h 28m
United Airlines
Deal found 4/5![United Airlines logo]()
$2,370
This United Airlines deal was found by Cheapflights users on 4/7. 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.
Sat 5/93:59 pm
PDX
- GUM
2 stops57h 06m
United Airlines
Sun 5/247:30 pm
GUM
- PDX
2 stops38h 17m
United Airlines
Deal found 4/7![United Airlines logo]()
$2,181
This Expedia deal was found by Cheapflights users on 4/6. 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.
Wed 5/205:00 am
PDX
- GUM
2 stops40h 40m
Multiple Airlines
Fri 5/224:40 pm
GUM
- PDX
2 stops45h 48m
Multiple Airlines
Deal found 4/6![Multiple Airlines logo]()
$1,694
This Delta deal was found by Cheapflights users on 4/7. 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.
Fri 5/225:30 am
PDX
- GUM
2 stops25h 25m
Delta
Fri 6/55:20 pm
GUM
- PDX
2 stops43h 04m
Delta
Deal found 4/7![Delta logo]()
$2,583
This United Airlines deal was found by Cheapflights users on 4/7. 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.
Fri 5/225:15 am
PDX
- GUM
3 stops30h 05m
United Airlines
Fri 6/57:05 am
GUM
- PDX
2 stops30h 49m
United Airlines
Deal found 4/7![United Airlines logo]()
$2,832
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 April 9, 2026.
Search for one-way flight options from Portland to Guam. Find affordable one-way fares based on user searches. Data last updated April 9, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/1212:03 pm
PDX
- GUM
2 stops22h 32m
Multiple Airlines
Deal found 4/9![Multiple Airlines logo]()
$864
This Expedia deal was found by Cheapflights users on 4/7. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/17:05 am
PDX
- GUM
2 stops38h 35m
Multiple Airlines
Deal found 4/7![Multiple Airlines logo]()
$891
This Delta deal was found by Cheapflights users on 4/9. 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.
Mon 8/1012:40 am
PDX
- GUM
2 stops30h 15m
Delta
Deal found 4/9![Delta logo]()
$1,400
This Kiwi.com deal was found by Cheapflights users on 4/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/119:48 pm
PDX
- GUM
3 stops32h 57m
Multiple Airlines
Deal found 4/9![Multiple Airlines logo]()
$1,565
This United Airlines deal was found by Cheapflights users on 4/7. 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.
Thu 10/13:30 pm
PDX
- GUM
3 stops33h 35m
United Airlines
Deal found 4/7![United Airlines logo]()
$1,625
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 April 9, 2026.
Round-trip from | $1,614 (Expedia) |
|---|---|
Popular in | January |
Cheapest in | September |
Average price | $2,073 |
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 April 9, 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
Sun 5/3
1:52 pm-2:40 pm
2 stops55h 48m
Tamuning Guam Intl
Sun 5/10
4:40 pm-7:34 pm
2 stops43h 54m
$1,614
PortlandTamuning
PDX - GUM
PDXGUM
Portland
Mon 4/20
10:10 am-3:35 pm
2 stops36h 25m
Tamuning Guam Intl
Thu 4/23
4:40 pm-6:36 pm
2 stops42h 56m
$1,795
PortlandTamuning
PDX - GUM
PDXGUM
Portland
Tue 7/7
5:15 am-3:50 pm
2 stops41h 35m
Tamuning Guam Intl
Thu 7/16
7:05 am-10:20 am
2 stops20h 15m
$1,939
PortlandTamuning
PDX - GUM
PDXGUM
Portland
Sat 5/9
5:35 pm-6:05 pm
2 stops55h 30m
Tamuning Guam Intl
Sun 5/24
7:30 pm-10:48 pm
2 stops44h 18m
$2,181
PortlandTamuning
PDX - GUM
PDXGUM
Portland
Sun 5/3
5:35 pm-6:05 pm
2 stops31h 30m
Tamuning Guam Intl
Sun 5/10
7:30 pm-8:58 pm
2 stops42h 28m
$2,370
PortlandTamuning
PDX - GUM
PDXGUM
Portland
Fri 5/22
9:20 am-11:55 pm
2 stops21h 35m
Tamuning Guam Intl
Fri 6/5
5:20 pm-5:09 pm
2 stops40h 49m
$2,583
PortlandTamuning
PDX - GUM
PDXGUM
Portland
Fri 5/22
5:15 am-4:20 am
3 stops30h 05m
Tamuning Guam Intl
Fri 6/5
7:05 am-12:08 pm
2 stops22h 03m
$2,832
Quickest round-trip
PortlandTamuning
PDX - GUM
PDXGUM
Portland
Mon 4/20
5:30 am-9:45 pm
3 stops23h 15m
Tamuning Guam Intl
Thu 4/23
12:10 pm-2:31 pm
2 stops19h 21m
$2,988
Cheapest one-way
PortlandTamuning
PDX - GUM
PDXGUM
Portland
Thu 10/1
7:05 am-2:40 pm
2 stops38h 35m
$891
Quickest one-way
PortlandTamuning
PDX - GUM
PDXGUM
Portland
Mon 8/10
12:40 am-11:55 pm
2 stops30h 15m
$1,400
Showing 1-10 of 12 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
What is the cheapest month to book a flight from Portland to Guam?
Currently, June is the cheapest month in which you can book a flight from Portland to Guam (average of $1,633). Flying from Portland to Guam in January is currently the most expensive (average of $3,349). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
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 April 9, 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.
Crew
8.1
Boarding
7.7
Overall
7.4
Entertainment
7.1
Comfort
7.3
Food
6.6
Reviews
1 / 20
10.0
ExcellentDane,Jan 2026
TYS - IAD
Crew
8.1
Boarding
7.7
Overall
7.4
Entertainment
7.1
Comfort
7.3
Food
6.6
Reviews
1 / 20
10.0
ExcellentDane,Jan 2026
TYS - IAD
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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Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
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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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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 April 9, 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 April 9, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$1,817 | Average$2,154 | FlexibilityNo cancel fee | On-time69% |