Cheap flights from London Heathrow Airport to Luxembourg from £61

The month of September is, on average, the cheapest month to fly to Luxembourg from London Heathrow Airport, with most prices found around £99. If you are unable to visit Luxembourg during the month of September, then departing from London Heathrow Airport during the month March is also very affordable. Most momondo users find prices during this month for around £99.

The cheapest day to depart from London Heathrow Airport to Luxembourg is on a Thursday when prices can be found for as low as £56. Flights from London Heathrow Airport to Luxembourg on a Sunday will generally be more expensive and average around £137. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

In the evening is the cheapest time of day to fly from London Heathrow Airport to Luxembourg when you can find flight prices for as low as £52. Flying to Luxembourg in the evening is an ideal time because this is during off-peak travel hours. Flights in the morning are often more expensive, with an average ticket price of £88.

Fly from London Heathrow to Luxembourg for the best London Heathrow - Luxembourg flight prices

You are more likely to see cheaper flights to Luxembourg from London Heathrow Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Luxembourg for around £124 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Luxembourg from London Heathrow Airport for as low as £78 on momondo.

There are 2 cabin classes available to choose from on London Heathrow Airport to Luxembourg flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

No. A direct flight is the cheapest option for a flight between London Heathrow Airport to Luxembourg.

As of June 2026, prices for London Heathrow Airport to Luxembourg flights are approximately 4% cheaper when compared to flights at the same time last year.

As of June 2026, 2 flights take off from London Heathrow Airport and land in Luxembourg each day. The most common flight departure time for this route is 18:00, with 60% of daily flights taking off at midday.

As of June 2026, there are 16 flights per week flying from London Heathrow Airport to Luxembourg. The most common day of the week flights depart is Mon, with 63% of flights taking off on this day.