Cheap flights from London Heathrow Airport to Denmark from £59

The month of March is, on average, the cheapest month to fly to Denmark from London Heathrow Airport, with most prices found around £128. If you aren’t able to travel to Denmark during the month of March, then flying in February is also cheap. Prices for this month can be found on momondo for an average of £139.

The cheapest day to depart from London Heathrow Airport to Denmark is on a Friday when prices can be found for as low as £251. On the other hand, Monday is the most expensive day to depart from London Heathrow Airport because it is more convenient for both business and leisure travellers. As a result, prices tend to be around £348.

Flying to Denmark from London Heathrow Airport at midday is the least expensive time of day to depart. momondo users have found prices as low as £174 when looking at flights departing at midday. In contrast, the most expensive time of day to depart to Denmark is in the morning when prices are around £340.

Fly from London Heathrow to Billund for the best London Heathrow - Denmark flight prices

You are more likely to see cheaper flights to Denmark from London Heathrow Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Denmark for around £164 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Denmark from London Heathrow Airport for as low as £128 on momondo.

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

British Airways and Scandinavian Airlines are the most popular carriers operating from London Heathrow to Denmark

Scandinavian Airlines, British Airways and KLM are the top three most popular airlines that fly to Denmark from London Heathrow Airport according to our data. Scandinavian Airlines is the first choice among our users, with 52% of people opting to fly with this airline when travelling to Denmark. Keep in mind that there are 9 different airlines that fly to Denmark on a routine basis, so you have a few additional options to choose from.

Historically, on average around 11% of flights between London and Denmark 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 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. 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 9% of their flights experiencing any sort of delay.

As of February 2026, 19 flights take off from London Heathrow Airport and land in Denmark each day. The most common flight departure time for this route is 10:00, with 43% of daily flights taking off at midday.

As of February 2026, 139 flights take off from London Heathrow Airport and land in Denmark each week. The most common flight departure day for this route is Sat, with 28% of weekly flights taking off on this day.