Cheap flights from London Heathrow Airport to Prague from £67

The month of February is, on average, the cheapest month to fly to Prague from London Heathrow Airport, with most prices found around £124. If you aren’t able to travel during the month of February, then book flights to Prague from London Heathrow Airport during January instead. Flights to Prague in January, while not as cheap as those in February, still average around £136.

The cheapest day to depart on your flight to Prague is on a Tuesday when prices can be found for as low as £64. This is often the case because there is less demand to fly during this day of the week. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from London Heathrow Airport to Prague for around £130.

The cheapest time of day to fly to Prague is in the morning when flights can be purchased for as low as £90. In the evening is when there is more demand to fly to Prague, so prices are often more expensive at around £148 per ticket.

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

You are more likely to see cheaper flights to Prague from London Heathrow Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Prague 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 Prague from London Heathrow Airport for as low as £129 on momondo.

There are 2 cabin classes available to choose from on London Heathrow to Václav Havel Prague flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

You could potentially save up to 20% on your flight if you consider stops on a London Heathrow Airport to Prague flight.

As of March 2026, prices for London Heathrow Airport to Prague flights are approximately 8% more expensive when compared to flights at the same time last year.

British Airways and Air Serbia are the most popular carriers operating from London Heathrow to Václav Havel Prague

British Airways, Wizz Air and Lufthansa are the top three most popular airlines that fly to Prague 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 Prague. Keep in mind that there are 9 different airlines that fly to Prague on a routine basis, so you have a few additional options to choose from.

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 104 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 17% of their flights experiencing any sort of delay.

5 flights are operational daily from London Heathrow Airport to Prague as of March 2026. The most popular departure time for this route is 19:00, with 43% of flights per day taking off at midday.

35 flights are operational weekly from London Heathrow Airport to Prague as of March 2026. The most popular departure day for this route is Fri, with 29% of flights per week taking off on this day.