Cheap flights from London Heathrow Airport to Copenhagen from $110

The cheapest month to fly to Copenhagen from London Heathrow Airport is in February. Flight prices, which tend to average around $268, are often lower during this time because this is during the off-season. If you’re not able to fly to Copenhagen in February, then March is your next best option. Flight prices from London Heathrow Airport to Copenhagen during March average around $271.

On average, the least expensive day to fly to Copenhagen from London Heathrow Airport is on a Monday. momondo users have found tickets for Monday departures for as low as $213. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Wednesday, the most expensive travel day of the week, you can expect to see flight prices from London Heathrow Airport to Copenhagen for around $330.

Our most recent data shows that the best time of day to fly to Copenhagen is in the evening. Flights from London Heathrow Airport to Copenhagen during this time can be as low as $252. Try not to purchase tickets in the afternoon 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 Kastrup Copenhagen for the best London Heathrow - Kastrup Copenhagen flight prices

You are more likely to see cheaper flights to Copenhagen from London Heathrow Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Copenhagen for around $322 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Copenhagen from London Heathrow Airport for as low as $247 on momondo.

There are 2 cabin classes available to choose from on London Heathrow to Kastrup Copenhagen 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 11% of flights between London and Copenhagen have experienced a delay on any given week. The average delay length over the past 12 months has been 106 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. Sunday has historically seen more delays on average compared to the rest of the week.

According to our data, Scandinavian Airlines have had the fewest delays on this route over the last 12 months, with about 10% of their flights experiencing any sort of delay.

As of April 2026, there are 21 flights per day flying from London Heathrow Airport to Copenhagen. The most common time of day flights depart is 17:00, with 47% of flights taking off at midday.

151 flights are operational weekly from London Heathrow Airport to Copenhagen as of April 2026. The most popular departure day for this route is Thu, with 26% of flights per week taking off on this day.