Cheap flights from London Heathrow Airport to Lisbon from C$ 123

The month of February is, on average, the cheapest month to fly to Lisbon from London Heathrow Airport, with most prices found around C$ 265. 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$ 269.

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$ 308. The most expensive day to fly to Lisbon is Thursday, with ticket prices averaging around C$ 717.

Flying to Lisbon from London Heathrow Airport in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as C$ 331 when looking at flights departing in the afternoon. In the evening is when there is more demand to fly to Lisbon, so prices are often more expensive at around C$ 457 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$ 376 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.

There are 3 cabin classes available to choose from on London Heathrow to Lisbon Humberto Delgado flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Historically, on average around 29% 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 108 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 21% of their flights experiencing any sort of delay.

The number of flights available between London Heathrow Airport and Lisbon is 62 per day as of March 2026. The most frequent departure time is 8:00a.m., with 51% of daily flights leaving at noon.

The number of flights available between London Heathrow Airport and Lisbon is 435 per week as of March 2026. The most frequent departure day is Fri, with 25% of weekly flights leaving on this day.