Cheap flights to Portland, Maine
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.
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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).
Reviews of airlines servicing Portland
Get insights into the airlines that provide service to Portland. 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 Portland. Reviews last updated 28 August 2025.
Check out reviews from past customers who have flown United Airlines to the United States to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
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Thomas,Apr 2025
TPE - SFO
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Thomas,Apr 2025
TPE - SFO
FAQs about flying to Portland
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