Cheap flights from Prague to London from €63

The month of January is another great option to travel to London Heathrow Airport, with average flight prices from Prague averaging around €150.

The cheapest day to depart on your flight to London Heathrow Airport is on a Friday when prices can be found for as low as €316. This is often the case because there is less demand to fly during this day of the week. On the other hand, Saturday is the most expensive day to depart from Prague because it is more convenient for both business and leisure travellers. As a result, prices tend to be around €810.

According to our data, the cheapest time of day to fly to London Heathrow Airport is in the evening. momondo users have found flights departing from Prague to London Heathrow Airport in the evening for as low as €170. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are €944 on average. Flights to London Heathrow Airport from Prague in the afternoon are generally more expensive because this time of day is more convenient for travellers’ schedules.

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

You are more likely to see cheaper flights to London Heathrow Airport from Prague when booking weeks ahead of your departure date. In general, you can expect to find flights to London Heathrow Airport for around €192 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London Heathrow Airport from Prague for as low as €133 on momondo.

There are 4 cabin classes available to choose from on Prague to London Heathrow Airport 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 59% on your flight if you consider stops on a Prague to London Heathrow Airport flight.

As of August 2026, prices for Prague to London Heathrow Airport flights are approximately 5% more expensive when compared to flights at the same time last year.

Historically, on average around 13% of flights between Prague and London have experienced a delay on any given week. The average delay length over the past 12 months has been 106 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 13% of their flights experiencing any sort of delay.

As of August 2026, there are 5 flights per day flying from Prague to London Heathrow Airport. The most common time of day flights depart is 14:00, with 59% of flights taking off in the afternoon.

As of August 2026, there are 36 flights per week flying from Prague to London Heathrow Airport. The most common day of the week flights depart is Thu, with 44% of flights taking off on this day.