Search for cheap flights and last-minute deals with Netflights. We've scanned all the flights from London Heathrow to Oulu, across the one airlines that offer this route. We've found that 23 / Oct / 2025 is the cheapest date to travel at the moment, but it's best to go through the results to see which flight suits you.
Finnair is the most popular airline that flies from London Heathrow to Oulu. But it's still worth looking at other options, as there are ten flights to Oulu every week. If you want to broaden your search, look at flights departing from other airports.
Generally speaking, the flight from London Heathrow to Oulu takes around 5 hrs 25 mins. The fastest flight takes 5 hrs 25 mins to cover the 2100 km distance. You can view all flight times yourself in the results list.
Searching by month, for instance, will show you the best time of the week to fly.
