Cheap flights from London Heathrow Airport to Bilbao from £38

If you are unable to visit Bilbao during the month of November, then departing from London Heathrow Airport during the month February is also very affordable. Most momondo users find prices during this month for around £56.

The cheapest day to depart on your flight to Bilbao is on a Monday when prices can be found for as low as £140. This is often the case because there is less demand to fly during this day of the week. On the other hand, Tuesday is the most expensive day to depart from London Heathrow Airport because it is more convenient for both business and leisure travellers. As a result, prices tend to be around £222.

At midday is the cheapest time of day to fly from London Heathrow Airport to Bilbao when you can find flight prices for as low as £131. Flying to Bilbao at midday is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are £177 on average. Flights to Bilbao from London Heathrow Airport in the morning are generally more expensive because this time of day is more convenient for travellers’ schedules.

Fly from London Heathrow to Bilbao for the best London Heathrow - Bilbao flight prices

You are more likely to see cheaper flights to Bilbao from London Heathrow Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Bilbao for around £152 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Bilbao from London Heathrow Airport for as low as £76 on momondo.

There is only 1 cabin class available to choose from on London Heathrow to Bilbao flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Vueling is the most popular carrier operating from London Heathrow to Bilbao

Vueling, Iberia and British Airways are the top three most popular airlines that fly to Bilbao from London Heathrow Airport according to our data. Vueling is the first choice among our users, with 74% of people opting to fly with this airline when travelling to Bilbao. Keep in mind that there are 5 different airlines that fly to Bilbao on a routine basis, so you have a few additional options to choose from.

Historically, on average around 22% of flights between London and Bilbao have experienced a delay on any given week. The average delay length over the past 12 months has been 118 minutes.

Generally, flights departing in the early afternoon tend to experience fewer delays. Flights departing in the morning 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, Vueling have had the fewest delays on this route over the last 12 months, with about 22% of their flights experiencing any sort of delay.

The number of flights available between London Heathrow Airport and Bilbao is 3 per day as of March 2026. The most frequent departure time is 15:00, with 100% of daily flights leaving in the afternoon.

As of March 2026, 21 flights take off from London Heathrow Airport and land in Bilbao each week. The most common flight departure day for this route is Mon, with 14% of weekly flights taking off on this day.