Cheap flights from London Heathrow Airport to Porto from $113

In general, January is the cheapest month to fly from London Heathrow Airport to Porto. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $287. If you aren’t able to travel to Porto during the month of January, then flying in November is also cheap. Prices for this month can be found on momondo for an average of $313.

Our data shows that Monday is the least expensive day to fly to Porto. Tickets to fly out on this day can be as low as $167. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from London Heathrow Airport to Porto for around $458.

Our most recent data shows that the best time of day to fly to Porto is in the afternoon. Flights from London Heathrow Airport to Porto during this time can be as low as $209. Flights in the evening are often more expensive, with an average ticket price of $493.

You are more likely to see cheaper flights to Porto from London Heathrow Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Porto for around $394 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Porto from London Heathrow Airport for as low as $325 on momondo.