Cheap flights from Bilbao to London from £21

The cheapest month to fly to London Gatwick Airport from Bilbao is in November. Flight prices, which tend to average around £70, are often lower during this time because this is during the off-season. If you don’t want to visit London Gatwick Airport in November, then you should wait until January to fly from Bilbao, when ticket prices are also cheap, with an average price of £76.

According to our data, Sunday is the cheapest day to fly to London Gatwick Airport from Bilbao. The lowest ticket price found for a Sunday departure recently was £15. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Flights from Bilbao to London Gatwick Airport on a Monday will generally be more expensive and average around £130. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

Our data shows that the cheapest Bilbao to London Gatwick Airport flights are usually those with departure times in the afternoon. Our users have found flights to London Gatwick Airport in the afternoon for as low as £84. In contrast, the most expensive time of day to depart to London Gatwick Airport is in the morning when prices are around £102.

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

You are more likely to see cheaper flights to London Gatwick Airport from Bilbao when booking weeks ahead of your departure date. In general, you can expect to find flights to London Gatwick Airport for around £98 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London Gatwick Airport from Bilbao for as low as £71 on momondo.

There is only 1 cabin class available to choose from on Bilbao to London Gatwick Airport 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 6% of flights between Bilbao and London have experienced a delay on any given week. The average delay length over the past 12 months has been 115 minutes.

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

Saturday is statistically the day of the week that experiences the fewest delays on this flight route. Thursday 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 6% of their flights experiencing any sort of delay.

The number of flights available between Bilbao and London Gatwick Airport is 8 per day as of September 2026. The most frequent departure time is 18:00, with 50% of daily flights leaving in the evening.

The number of flights available between Bilbao and London Gatwick Airport is 57 per week as of September 2026. The most frequent departure day is Fri, with 21% of weekly flights leaving on this day.