Cheap flights from London Heathrow Airport to the Czech Republic from £56

The month of June is, on average, the cheapest month to fly to Czech Republic from London Heathrow Airport, with most prices found around £21. If you aren’t able to travel during the month of June, then book flights to Czech Republic from London Heathrow Airport during September instead. Flights to Czech Republic in September, while not as cheap as those in June, still average around £43.

On average, the least expensive day to fly to Czech Republic from London Heathrow Airport is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as £152. However, this price may fluctuate depending on the airline, the season, and holidays. The most expensive day to fly to Czech Republic is Friday, with ticket prices averaging around £192.

Flying to Czech Republic from London Heathrow Airport in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as £170 when looking at flights departing in the afternoon. In contrast, the most expensive time of day to depart to Czech Republic is at midday when prices are around £200.

Fly from London Heathrow to Václav Havel Prague for the best London Heathrow - Czech Republic flight prices

You are more likely to see cheaper flights to Czech Republic from London Heathrow Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Czech Republic for around £176 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Czech Republic from London Heathrow Airport for as low as £129 on momondo.

British Airways, Vueling, and LOT are the most popular carriers operating from London Heathrow to Czech Republic

British Airways, Wizz Air and Lufthansa are the top three most popular airlines that fly to Czech Republic from London Heathrow Airport according to our data. British Airways is the first choice among our users, with 92% of people opting to fly with this airline when travelling to Czech Republic. Keep in mind that there are 9 different airlines that fly to Czech Republic on a routine basis, so you have a few additional options to choose from.

Historically, on average around 16% of flights between London and Czech Republic have experienced a delay on any given week. The average delay length over the past 12 months has been 102 minutes.

Generally, flights departing in the morning tend to experience fewer delays. Flights departing in the early afternoon 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, British Airways have had the fewest delays on this route over the last 12 months, with about 16% of their flights experiencing any sort of delay.

The number of flights available between London Heathrow Airport and Czech Republic is 7 per day as of May 2026. The most frequent departure time is 10:00, with 39% of daily flights leaving in the afternoon.

The number of flights available between London Heathrow Airport and Czech Republic is 50 per week as of May 2026. The most frequent departure day is Mon, with 36% of weekly flights leaving on this day.