Fly to London Heathrow from Portugal during December 2018 for as little as €99.99*.
From just €99.99*
Book your flight from Portugal to London Heathrow in December 2018 here. Select your desired date in December 2018 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 December 2018 is just €99.99*.