Cheap flights from London to Knock from €19

If you don’t want to visit Knock in January, then you should wait until November to fly from London, when ticket prices are also cheap, with an average price of €82.

On average, the least expensive day to fly to Knock from London is on a Sunday. momondo users have found tickets for Sunday departures for as low as €88. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Thursday as prices are generally higher than usual. According to our data, the average ticket price to Knock on Thursday is €171.

Our data shows that the cheapest London to Knock flights are usually those with departure times at midday. Our users have found flights to Knock at midday for as low as €119. Try not to purchase tickets in the morning because they tend to be around €165. Of course, these prices can vary depending on the time of year and what airport you fly to.

Fly from London Luton to Knock Intl for the best London - Knock Intl flight prices

You are more likely to see cheaper flights to Knock from London when booking weeks ahead of your departure date. In general, you can expect to find flights to Knock for around €159 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Knock from London for as low as €116 on momondo.

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

As of August 2026, 4 flights take off from London and land in Knock each day. The most common flight departure time for this route is 11:00, with 83% of daily flights taking off at midday.

The number of flights available between London and Knock is 34 per week as of August 2026. The most frequent departure day is Fri, with 21% of weekly flights leaving on this day.