Low prices
Fly to London Heathrow from Portugal during September 2025 for as little as €154.99*.
From just €154.99*
Book your flight from Portugal to London Heathrow in September 2025 here. Select your desired date in September 2025 and view all the airports in Portugal you can fly to London Heathrow from on that day.
The best price for flying from Portugal to London Heathrow (LHR) in September 2025 is just €154.99*.