Cheap flights from London to Prague from €41

In general, September is the cheapest month to fly from London to Prague. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around €74. If you aren’t able to travel to Prague during the month of September, then flying in January is also cheap. Prices for this month can be found on momondo for an average of €84.

According to our data, Sunday is the cheapest day to fly to Prague from London. The lowest ticket price found for a Sunday departure recently was €217. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from London to Prague for around €321.

The cheapest time of day to fly to Prague is in the morning when flights can be purchased for as low as €217. Try not to purchase tickets at midday because they tend to be around €321. Of course, these prices can vary depending on the time of year and what airport you fly to.

Fly from London Luton to Václav Havel Prague for the best London - Václav Havel Prague flight prices

You are more likely to see cheaper flights to Prague from London when booking weeks ahead of your departure date. In general, you can expect to find flights to Prague for around €207 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Prague from London for as low as €159 on momondo.

There are 2 cabin classes available to choose from on London to Prague 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 17% of flights between London and Prague have experienced a delay on any given week. The average delay length over the past 12 months has been 111 minutes.

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

Tuesday is statistically the day of the week that experiences the fewest delays on this flight route. Friday has historically seen more delays on average compared to the rest of the week.

According to our data, Wizz Air have had the fewest delays on this route over the last 12 months, with about 14% of their flights experiencing any sort of delay.

As of June 2026, there are 6 flights per day flying from London to Prague. The most common time of day flights depart is 10:00, with 36% of flights taking off in the afternoon.

As of June 2026, 46 flights take off from London and land in Prague each week. The most common flight departure day for this route is Fri, with 39% of weekly flights taking off on this day.