Cheap flights from London Heathrow Airport to Lisbon from C$ 102

The month of February is, on average, the cheapest month to fly to Lisbon from London Heathrow Airport, with most prices found around C$ 263. If you don’t want to visit Lisbon in February, then you should wait until January to fly from London Heathrow Airport, when ticket prices are also cheap, with an average price of C$ 267.

The cheapest day to depart from London Heathrow Airport to Lisbon is on a Friday. Travellers who choose to depart for Lisbon on a Friday will often find tickets for as low as C$ 306. The most expensive day to fly to Lisbon is Thursday, with ticket prices averaging around C$ 715.

Flying to Lisbon from London Heathrow Airport at noon is the least expensive time of day to depart. momondo users have found prices as low as C$ 321 when looking at flights departing at noon. In the evening is when there is more demand to fly to Lisbon, so prices are often more expensive at around C$ 453 per ticket.

Fly from London Heathrow to Lisbon Humberto Delgado for the best London Heathrow - Lisbon Humberto Delgado flight prices

You are more likely to see cheaper flights to Lisbon from London Heathrow Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Lisbon for around C$ 374 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Lisbon from London Heathrow Airport for as low as C$ 328 on momondo.

Historically, on average around 27% of flights between London and Lisbon have experienced a delay on any given week. The average delay length over the past 12 months has been 105 minutes.

Generally, flights departing in the morning tend to experience fewer delays. Flights departing at night have, in the past, seen delays more frequently in comparison.

Tuesday is statistically the day of the week that experiences the fewest delays on this flight route. Sunday has historically seen more delays on average compared to the rest of the week.

According to our data, British Airways has had the least delays on this route over the last 12 months, with about 20% of their flights experiencing any sort of delay.

The number of flights available between London Heathrow Airport and Lisbon is 48 per day as of May 2026. The most frequent departure time is 6:00p.m., with 39% of daily flights leaving in the evening.

The number of flights available between London Heathrow Airport and Lisbon is 337 per week as of May 2026. The most frequent departure day is Mon, with 20% of weekly flights leaving on this day.