Cheap flights from London Heathrow Airport to Zagreb from £64

In general, March is the cheapest month to fly from London Heathrow Airport to Zagreb. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £135. If you’re not able to fly to Zagreb in March, then April is your next best option. Flight prices from London Heathrow Airport to Zagreb during April average around £157.

The cheapest day to depart from London Heathrow Airport to Zagreb is on a Tuesday. Travellers who choose to depart for Zagreb on a Tuesday will often find tickets for as low as £101. If your travel schedule is flexible, try to avoid departing on a Wednesday because tickets tend to average around £157. These prices are subject to change though, so be sure to set up a Price Alert for flights to Zagreb.

According to our data, the cheapest time of day to fly to Zagreb is in the morning. momondo users have found flights departing from London Heathrow Airport to Zagreb in the morning for as low as £125. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In contrast, the most expensive time of day to depart to Zagreb is in the afternoon when prices are around £169.

Fly from London Heathrow to Zagreb Franjo Tuđman for the best London Heathrow - Zagreb Franjo Tuđman flight prices

You are more likely to see cheaper flights to Zagreb from London Heathrow Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Zagreb for around £202 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Zagreb from London Heathrow Airport for as low as £163 on momondo.

You could potentially save up to 1% on your flight if you consider stops on a London Heathrow Airport to Zagreb flight.

As of May 2026, prices for London Heathrow Airport to Zagreb flights are approximately 10% more expensive when compared to flights at the same time last year.

British Airways and KLM are the most popular carriers operating from London Heathrow to Zagreb Franjo Tuđman

Croatia Airlines, British Airways and Lufthansa are the top three most popular airlines that fly to Zagreb from London Heathrow Airport according to our data. Croatia Airlines is the first choice among our users, with 40% of people opting to fly with this airline when travelling to Zagreb. Keep in mind that there are 6 different airlines that fly to Zagreb on a routine basis, so you have a few additional options to choose from.

Historically, on average around 45% of flights between London and Zagreb have experienced a delay on any given week. The average delay length over the past 12 months has been 104 minutes.

Generally, flights departing in the morning tend to experience fewer delays. Flights departing in the evening 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 23% of their flights experiencing any sort of delay.

As of May 2026, 1 flights take off from London Heathrow Airport and land in Zagreb each day. The most common flight departure time for this route is 20:00, with 55% of daily flights taking off in the evening.

9 flights are operational weekly from London Heathrow Airport to Zagreb as of May 2026. The most popular departure day for this route is Mon, with 56% of flights per week taking off on this day.