Cheap flights from London Heathrow Airport to Warsaw from $142

In general, January is the cheapest month to fly from London Heathrow Airport to Warsaw. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $251. If you don’t want to visit Warsaw in January, then you should wait until October to fly from London Heathrow Airport, when ticket prices are also cheap, with an average price of $268.

The cheapest day to depart on your flight to Warsaw is on a Tuesday when prices can be found for as low as $346. This is often the case because there is less demand to fly during this day of the week. When flying out on a Thursday, the most expensive travel day of the week, you can expect to see flight prices from London Heathrow Airport to Warsaw for around $474.

Our data shows that the cheapest London Heathrow Airport to Warsaw flights are usually those with departure times at midday. Our users have found flights to Warsaw at midday for as low as $353. In the afternoon is when there is more demand to fly to Warsaw, so prices are often more expensive at around $415 per ticket.

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 $337 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 $256 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.

Historically, on average around 21% 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 109 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. Thursday 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 18% of their flights experiencing any sort of delay.

The number of flights available between London Heathrow Airport and Warsaw is 15 per day as of November 2026. The most frequent departure time is 18:00, with 49% of daily flights leaving in the evening.

The number of flights available between London Heathrow Airport and Warsaw is 106 per week as of November 2026. The most frequent departure day is Mon, with 23% of weekly flights leaving on this day.