Cheap flights from Prague to London from $46

If you aren’t able to travel during the month of September, then book flights to London from Prague during July instead. Flights to London in July, while not as cheap as those in September, still average around $40.

Our data shows that Tuesday is the least expensive day to fly to London. Tickets to fly out on this day can be as low as $328. When flying out on a Monday, the most expensive travel day of the week, you can expect to see flight prices from Prague to London for around $651.

The cheapest time of day to fly to London is in the morning when flights can be purchased for as low as $328. In contrast, the most expensive time of day to depart to London is at midday when prices are around $651.

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

You are more likely to see cheaper flights to London from Prague when booking weeks ahead of your departure date. In general, you can expect to find flights to London for around $306 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London from Prague for as low as $209 on momondo.

There are 3 cabin classes available to choose from on Prague to London flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

No. A direct flight is the cheapest option for a flight between Prague to London.

As of June 2026, prices for Prague to London flights are approximately 22% more expensive when compared to flights at the same time last year.

Historically, on average around 18% 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 113 minutes.

Generally, flights departing in the morning tend to experience fewer delays. Flights departing at night 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 12% of their flights experiencing any sort of delay.

As of June 2026, there are 10 flights per day flying from Prague to London. The most common time of day flights depart is 17:00, with 63% of flights taking off in the afternoon.

75 flights are operational weekly from Prague to London as of June 2026. The most popular departure day for this route is Sun, with 27% of flights per week taking off on this day.