We've gone through lots of different flights, to help you find the cheapest way to get from London Heathrow to Bilbao. You can choose from nine airlines.
Iberia Airlines is the most popular airline that flies from London Heathrow to Bilbao. But it's still worth looking at other options, as there are 67 flights to Bilbao every week. If you want to broaden your search, look at flights departing from other airports.
The distance between London Heathrow to Bilbao is 928 km. Normally, it takes about 4 hrs 40 mins to fly, and you can definitely expect the journey to be at least 2 hrs 5 mins. You can see the various flight times in the results.
If you need somewhere to stay for your trip to Spain, take a look at our accommodation options.