225 - 606 GBP
In general when looking for the cheapest flight to Longyearbyen, try to book your flight during the month of September for the best deal.
From most locations, booking your flights to Longyearbyen around 56 days prior to your departure date finds the best deals.
In general, booking your departure to Longyearbyen for a Thursday represents the best deal on airfare. Try to avoid a Sunday departure to stay away from the highest prices.
On average you can find the best deals on plane tickets to Longyearbyen when looking for flights with morning departure times.