Cheap flights from London Heathrow Airport to Prague from $79

In general, February is the cheapest month to fly from London Heathrow Airport to Prague. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $165. If you are unable to visit Prague during the month of February, then departing from London Heathrow Airport during the month January is also very affordable. Most momondo users find prices during this month for around $181.

The cheapest day to depart from London Heathrow Airport to Prague is on a Saturday. Travelers who choose to depart for Prague on a Saturday will often find tickets for as low as $149. 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 $208.

According to our data, the cheapest time of day to fly to Prague is in the afternoon. momondo users have found flights departing from London Heathrow Airport to Prague in the afternoon for as low as $168. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Try not to purchase tickets in the evening because they tend to be around $280. Of course, these prices can vary depending on the time of year and what airport you fly to.

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 $239 when searching weeks out. 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 $171 on momondo.

There are 3 cabin classes available to choose from on London Heathrow Airport 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 105 minutes.

Generally, flights departing in the morning tend to experience fewer delays. Flights in the early afternoon have, in the past, seen delays more frequently in comparison.

Tuesday is statistically the day of the week which experiences the fewest number of 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 least number of delays on this route over the last 12 months; with about 17% of their flights experiencing any sort of delay.

4 flights are operational daily from London Heathrow Airport to Prague as of August 2026. The most popular departure time for this route is 8:00PM, with 35% of flights per day taking off at noon.

As of August 2026, there are 31 flights per week flying from London Heathrow Airport to Prague. The most common day of the week flights depart is Fri, with 39% of flights taking off on this day.