Cheap flights from London Heathrow Airport to Warsaw from £45

The month of June is, on average, the cheapest month to fly to Warsaw from London Heathrow Airport, with most prices found around £57. If you don’t want to visit Warsaw in June, then you should wait until January to fly from London Heathrow Airport, when ticket prices are also cheap, with an average price of £60.

The cheapest day to depart from London Heathrow Airport to Warsaw is on a Thursday when prices can be found for as low as £216. Flights from London Heathrow Airport to Warsaw on a Sunday will generally be more expensive and average around £280. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

Flying to Warsaw from London Heathrow Airport in the evening is the least expensive time of day to depart. momondo users have found prices as low as £133 when looking at flights departing in the evening. Flights to Warsaw are more costly in the afternoon, with an average ticket price of £239. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

Fly from London Heathrow to Warsaw Frederic Chopin for the best London Heathrow - Warsaw flight prices

You are more likely to see cheaper flights to Warsaw from London Heathrow Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Warsaw for around £178 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Warsaw from London Heathrow Airport for as low as £144 on momondo.

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

British Airways and KLM are the most popular carriers operating from London Heathrow to Warsaw

LOT, British Airways and Lufthansa are the top three most popular airlines that fly to Warsaw from London Heathrow Airport according to our data. LOT is the first choice among our users, with 53% of people opting to fly with this airline when travelling to Warsaw. Keep in mind that there are 7 different airlines that fly to Warsaw on a routine basis, so you have a few additional options to choose from.

Historically, on average around 20% of flights between London and Warsaw have experienced a delay on any given week. The average delay length over the past 12 months has been 107 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.

As of June 2026, there are 14 flights per day flying from London Heathrow Airport to Warsaw. The most common time of day flights depart is 18:00, with 48% of flights taking off at midday.

99 flights are operational weekly from London Heathrow Airport to Warsaw as of June 2026. The most popular departure day for this route is Fri, with 20% of flights per week taking off on this day.