$687+ 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 5/17. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — GUM
Apr 3 — Apr 101
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
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 March 4, 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 March 4, 2026.
This Travelocity deal was found by Cheapflights users on 3/2. 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.
Tue 3/38:30 am
PDX
- GUM
2 stops36h 05m
Multiple Airlines
Tue 3/104:35 pm
GUM
- PDX
2 stops47h 06m
Multiple Airlines
Deal found 3/2![Multiple Airlines logo]()
$1,497
This Expedia deal was found by Cheapflights users on 3/1. 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 4/159:00 am
PDX
- GUM
2 stops37h 35m
Multiple Airlines
Wed 4/224:40 pm
GUM
- PDX
2 stops44h 37m
Multiple Airlines
Deal found 3/1![Multiple Airlines logo]()
$1,627
This Expedia deal was found by Cheapflights users on 2/28. 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 4/139:00 am
PDX
- GUM
2 stops45h 55m
Multiple Airlines
Mon 4/274:40 pm
GUM
- PDX
2 stops41h 11m
Multiple Airlines
Deal found 2/28![Multiple Airlines logo]()
$1,650
This Travelocity deal was found by Cheapflights users on 2/27. 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.
Sat 4/252:45 pm
PDX
- GUM
2 stops54h 55m
Multiple Airlines
Sat 5/94:40 pm
GUM
- PDX
2 stops43h 54m
Multiple Airlines
Deal found 2/27![Multiple Airlines logo]()
$1,757
This Orbitz deal was found by Cheapflights users on 3/2. 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.
Tue 5/128:45 am
PDX
- GUM
2 stops36h 55m
Multiple Airlines
Tue 5/194:40 pm
GUM
- PDX
2 stops45h 48m
Multiple Airlines
Deal found 3/2![Multiple Airlines logo]()
$1,776
This United Airlines deal was found by Cheapflights users on 3/1. 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 11/165:35 am
PDX
- GUM
2 stops19h 15m
United Airlines
Mon 11/307:05 am
GUM
- PDX
2 stops35h 49m
United Airlines
Deal found 3/1![United Airlines logo]()
$1,839
This United Airlines deal was found by Cheapflights users on 3/4. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/205:35 am
PDX
- GUM
2 stops19h 15m
United Airlines
Mon 11/307:25 am
GUM
- PDX
2 stops31h 08m
United Airlines
Deal found 3/4![United Airlines logo]()
$1,869
This Delta deal was found by Cheapflights users on 2/28. 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 4/122:00 pm
PDX
- GUM
2 stops40h 55m
Delta
Tue 4/283:00 am
GUM
- PDX
2 stops31h 10m
Delta
Deal found 2/28![Delta logo]()
$1,892
This Delta deal was found by Cheapflights users on 2/28. 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 4/145:30 am
PDX
- GUM
2 stops25h 25m
Delta
Tue 4/285:20 pm
GUM
- PDX
2 stops47h 36m
Delta
Deal found 2/28![Delta logo]()
$1,904
This United Airlines deal was found by Cheapflights users on 3/1. 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 6/245:15 am
PDX
- GUM
2 stops19h 50m
United Airlines
Thu 7/27:05 am
GUM
- PDX
2 stops22h 03m
United Airlines
Deal found 3/1![United Airlines logo]()
$1,919
This United Airlines deal was found by Cheapflights users on 3/2. 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 5/125:30 am
PDX
- GUM
3 stops23h 15m
United Airlines
Tue 5/197:05 am
GUM
- PDX
2 stops22h 30m
United Airlines
Deal found 3/2![United Airlines logo]()
$1,931
This Delta deal was found by Cheapflights users on 2/28. 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 4/105:30 am
PDX
- GUM
2 stops25h 25m
Delta
Sun 4/265:20 pm
GUM
- PDX
2 stops40h 50m
Delta
Deal found 2/28![Delta logo]()
$1,942
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 March 4, 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 March 4, 2026.
This Expedia deal was found by Cheapflights users on 3/1. 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 4/159:00 am
PDX
- GUM
2 stops37h 35m
Multiple Airlines
Wed 4/224:40 pm
GUM
- PDX
2 stops44h 37m
Multiple Airlines
Deal found 3/1![Multiple Airlines logo]()
$1,627
This Delta deal was found by Cheapflights users on 2/28. 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 4/157:32 pm
PDX
- GUM
2 stops35h 23m
Delta
Tue 4/283:00 am
GUM
- PDX
2 stops31h 10m
Delta
Deal found 2/28![Delta logo]()
$1,892
This United Airlines deal was found by Cheapflights users on 3/2. 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 5/125:30 am
PDX
- GUM
3 stops23h 15m
United Airlines
Tue 5/197:05 am
GUM
- PDX
2 stops22h 30m
United Airlines
Deal found 3/2![United Airlines logo]()
$1,931
This Travelocity deal was found by Cheapflights users on 2/27. 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.
Sat 4/252:45 pm
PDX
- GUM
2 stops54h 55m
Multiple Airlines
Sat 5/94:40 pm
GUM
- PDX
2 stops43h 54m
Multiple Airlines
Deal found 2/27![Multiple Airlines logo]()
$1,757
This Delta deal was found by Cheapflights users on 2/28. 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 4/146:15 am
PDX
- GUM
2 stops24h 40m
Delta
Sun 4/265:20 pm
GUM
- PDX
2 stops42h 32m
Delta
Deal found 2/28![Delta logo]()
$1,892
This United Airlines deal was found by Cheapflights users on 2/28. 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
2 stops19h 50m
United Airlines
Fri 6/57:05 am
GUM
- PDX
2 stops20h 15m
United Airlines
Deal found 2/28![United Airlines logo]()
$1,969
This Delta deal was found by Cheapflights users on 2/28. 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 4/147:05 am
PDX
- GUM
2 stops23h 50m
Delta
Thu 4/305:20 pm
GUM
- PDX
2 stops40h 50m
Delta
Deal found 2/28![Delta logo]()
$1,942
This Delta deal was found by Cheapflights users on 2/28. 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 4/107:05 am
PDX
- GUM
2 stops23h 50m
Delta
Mon 4/273:00 am
GUM
- PDX
2 stops35h 32m
Delta
Deal found 2/28![Delta logo]()
$1,942
This Delta deal was found by Cheapflights users on 2/28. 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 4/167:05 am
PDX
- GUM
2 stops23h 50m
Delta
Sat 4/255:20 pm
GUM
- PDX
2 stops47h 33m
Delta
Deal found 2/28![Delta logo]()
$1,954
Last-minute flights from Portland to GuamDiscover last-minute flight deals from Portland to Guam. Data last updated March 4, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to Guam. Data last updated March 4, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 2/28. 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 3/297:05 am
PDX
- GUM
2 stops23h 50m
Delta
Sat 4/43:00 am
GUM
- PDX
2 stops33h 25m
Delta
Deal found 2/28![Delta logo]()
$2,004
This Delta deal was found by Cheapflights users on 2/28. 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 4/105:30 am
PDX
- GUM
2 stops25h 25m
Delta
Sun 4/263:00 am
GUM
- PDX
2 stops32h 52m
Delta
Deal found 2/28![Delta logo]()
$1,942
This Delta deal was found by Cheapflights users on 2/28. 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 4/107:05 am
PDX
- GUM
2 stops23h 50m
Delta
Thu 4/305:20 pm
GUM
- PDX
2 stops42h 32m
Delta
Deal found 2/28![Delta logo]()
$1,992
This Delta deal was found by Cheapflights users on 2/28. 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 4/105:02 pm
PDX
- GUM
2 stops53h 33m
Delta
Sat 4/255:20 pm
GUM
- PDX
2 stops47h 33m
Delta
Deal found 2/28![Delta logo]()
$2,015
This Delta deal was found by Cheapflights users on 2/28. 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 4/127:17 pm
PDX
- GUM
2 stops35h 38m
Delta
Sun 4/263:00 am
GUM
- PDX
2 stops31h 10m
Delta
Deal found 2/28![Delta logo]()
$1,892
This Delta deal was found by Cheapflights users on 2/28. 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 4/121:49 pm
PDX
- GUM
2 stops41h 06m
Delta
Sat 4/255:20 pm
GUM
- PDX
2 stops47h 33m
Delta
Deal found 2/28![Delta logo]()
$1,960
This Expedia deal was found by Cheapflights users on 2/28. 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 4/139:00 am
PDX
- GUM
2 stops45h 55m
Multiple Airlines
Mon 4/274:40 pm
GUM
- PDX
2 stops41h 11m
Multiple Airlines
Deal found 2/28![Multiple Airlines logo]()
$1,650
This Delta deal was found by Cheapflights users on 2/28. 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 4/135:30 am
PDX
- GUM
2 stops25h 25m
Delta
Sat 4/255:20 pm
GUM
- PDX
2 stops47h 33m
Delta
Deal found 2/28![Delta logo]()
$1,954
This Delta deal was found by Cheapflights users on 2/28. 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 4/145:30 am
PDX
- GUM
2 stops25h 25m
Delta
Tue 4/285:20 pm
GUM
- PDX
2 stops47h 36m
Delta
Deal found 2/28![Delta logo]()
$1,904
This Expedia deal was found by Cheapflights users on 3/1. 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 4/159:00 am
PDX
- GUM
2 stops37h 35m
Multiple Airlines
Wed 4/224:40 pm
GUM
- PDX
2 stops44h 37m
Multiple Airlines
Deal found 3/1![Multiple Airlines logo]()
$1,627
This United Airlines deal was found by Cheapflights users on 3/3. 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 4/245:30 am
PDX
- GUM
2 stops19h 35m
United Airlines
Tue 4/287:05 am
GUM
- PDX
2 stops24h 25m
United Airlines
Deal found 3/3![United Airlines logo]()
$2,179
This Travelocity deal was found by Cheapflights users on 2/27. 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.
Sat 4/252:45 pm
PDX
- GUM
2 stops54h 55m
Multiple Airlines
Sat 5/94:40 pm
GUM
- PDX
2 stops43h 54m
Multiple Airlines
Deal found 2/27![Multiple Airlines logo]()
$1,757
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 March 4, 2026.
Search for one-way flight options from Portland to Guam. Find affordable one-way fares based on user searches. Data last updated March 4, 2026.
This Kiwi.com deal was found by Cheapflights users on 3/4. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/1710:31 am
PDX
- GUM
2 stops24h 04m
Multiple Airlines
Deal found 3/4![Multiple Airlines logo]()
$687
This Kiwi.com deal was found by Cheapflights users on 3/4. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/169:46 pm
PDX
- GUM
3 stops36h 49m
Multiple Airlines
Deal found 3/4![Multiple Airlines logo]()
$691
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 March 4, 2026.
Round-trip from | $1,627 (Expedia) |
|---|---|
One-way from | $687 (Kiwi.com) |
Popular in | January |
Cheapest in | February |
Average price | $2,156 |
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 March 4, 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
PortlandTamuning
PDX - GUM
PDXGUM
Portland
Wed 4/15
9:00 am-3:35 pm
2 stops37h 35m
Tamuning Guam Intl
Wed 4/22
4:40 pm-8:17 pm
2 stops44h 37m
$1,627
PortlandTamuning
PDX - GUM
PDXGUM
Portland
Sat 4/25
2:45 pm-2:40 pm
2 stops54h 55m
Tamuning Guam Intl
Sat 5/9
4:40 pm-7:34 pm
2 stops43h 54m
$1,757
PortlandTamuning
PDX - GUM
PDXGUM
Portland
Wed 4/15
7:32 pm-11:55 pm
2 stops35h 23m
Tamuning Guam Intl
Tue 4/28
3:00 am-5:10 pm
2 stops31h 10m
$1,892
PortlandTamuning
PDX - GUM
PDXGUM
Portland
Tue 4/14
6:15 am-11:55 pm
2 stops24h 40m
Tamuning Guam Intl
Sun 4/26
5:20 pm-6:52 pm
2 stops42h 32m
$1,892
PortlandTamuning
PDX - GUM
PDXGUM
Portland
Tue 5/12
5:30 am-9:45 pm
3 stops23h 15m
Tamuning Guam Intl
Tue 5/19
7:05 am-12:35 pm
2 stops22h 30m
$1,931
PortlandTamuning
PDX - GUM
PDXGUM
Portland
Tue 4/14
7:05 am-11:55 pm
2 stops23h 50m
Tamuning Guam Intl
Thu 4/30
5:20 pm-5:10 pm
2 stops40h 50m
$1,942
PortlandTamuning
PDX - GUM
PDXGUM
Portland
Fri 4/10
7:05 am-11:55 pm
2 stops23h 50m
Tamuning Guam Intl
Mon 4/27
3:00 am-9:32 pm
2 stops35h 32m
$1,942
PortlandTamuning
PDX - GUM
PDXGUM
Portland
Thu 4/16
7:05 am-11:55 pm
2 stops23h 50m
Tamuning Guam Intl
Sat 4/25
5:20 pm-11:53 pm
2 stops47h 33m
$1,954
PortlandTamuning
PDX - GUM
PDXGUM
Portland
Fri 5/22
5:15 am-6:05 pm
2 stops19h 50m
Tamuning Guam Intl
Fri 6/5
7:05 am-10:20 am
2 stops20h 15m
$1,969
PortlandTamuning
PDX - GUM
PDXGUM
Portland
Sun 5/17
10:31 am-3:35 am
2 stops24h 04m
$687
Showing 1-10 of 11 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, February is the cheapest month in which you can book a flight from Portland to Guam (average of $797). 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 March 4, 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
Boarding
7.7
Crew
8.1
Food
6.6
Overall
7.4
Entertainment
7.1
Reviews
1 / 20
10.0
ExcellentDane,Jan 2026
TYS - IAD
Comfort
7.3
Boarding
7.7
Crew
8.1
Food
6.6
Overall
7.4
Entertainment
7.1
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.
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 March 4, 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 March 4, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$1,817 | Average$2,128 | FlexibilityNo cancel fee | On-time69% |