HK$10,743+ Cheap flights to Portland, Maine
This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10-10. Fares are subject to change and may not be available on all flights or dates of travel.
Flights to Portland, ME in 2025
Find the latest flights to Portland in 2025, with up-to-date prices and availability. In the last 7 days, Cheapflights users made a total of 70,647 searches and data was last updated on 25 August 2025.
Find flight deals to Portland
Cheapest flights to PortlandExplore the most affordable flight options available to Portland. Find the lowest fares based on data from user searches, with prices last updated on 25 August 2025.
Explore the most affordable flight options available to Portland. Find the lowest fares based on data from user searches, with prices last updated on 25 August 2025.
Cheapflights Fare Finder
Use the filters below to find and compare flights to Portland that are best for you.
Fly from
Route
Departure
Return
Price
Hong KongPortland
HKG - PWM
HKGPWM
Hong Kong Intl
Fri 10-10
22:30-22:02
2 stops35h 32m
Portland
Tue 14-10
07:09-08:50
2 stops37h 41m
Hong KongPortland
HKG - PWM
HKGPWM
Hong Kong Intl
Fri 10-10
22:30-09:55
2 stops23h 25m
Portland
Tue 14-10
14:34-05:40
2 stops27h 06m
Hong KongPortland
HKG - PWM
HKGPWM
Hong Kong Intl
Thu 9-10
01:25-22:45
2 stops33h 20m
Portland
Tue 14-10
07:09-21:45
2 stops26h 36m
Best time to book a flight to Portland
Have a flexible travel schedule? Discover the best time to fly to Portland with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight to Portland
Rainfall in Portland by month
In terms of precipitation, rainfall in Portland ranges from 73.0 - 115.0 mm per month. November is typically the wettest month, when rainfall can reach 115.0 mm. August is typically the driest time to visit Portland when rainfall is around 73.0 mm.
Temperature in Portland by month
If weather is an important factor for your trip to Portland, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 20.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -5.0 C).
FAQs about flying to Portland
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Can Cheapflights find flights to Portland with no change fees?
Certainly. Search results for flights to Portland shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.
Can Cheapflights notify me if prices for flights to Portland become cheaper?
Yes, Cheapflights has a feature called Price Alerts, which notifies users when flight prices change. Track prices for your flight to Portland today and book when you’re ready!