Cheap flights from Luxembourg to the United Kingdom from £21

The cheapest month to fly to United Kingdom from Luxembourg is in February. Flight prices, which tend to average around £74, are often lower during this time because this is during the off-season. If you are unable to visit United Kingdom during the month of February, then departing from Luxembourg during the month January is also very affordable. Most momondo users find prices during this month for around £80.

The cheapest day to depart from Luxembourg to United Kingdom is on a Tuesday. Travellers who choose to depart for United Kingdom on a Tuesday will often find tickets for as low as £80. When flying out on a Wednesday, the most expensive travel day of the week, you can expect to see flight prices from Luxembourg to United Kingdom for around £177.

The cheapest time of day to fly to United Kingdom is in the afternoon when flights can be purchased for as low as £67. Try not to purchase tickets in the morning because they tend to be around £152. Of course, these prices can vary depending on the time of year and what airport you fly to.

Fly from Luxembourg to London Stansted for the best Luxembourg - United Kingdom flight prices

You are more likely to see cheaper flights to United Kingdom from Luxembourg when booking weeks ahead of your departure date. In general, you can expect to find flights to United Kingdom for around £117 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to United Kingdom from Luxembourg for as low as £93 on momondo.

There are 3 cabin classes available to choose from on Luxembourg to United Kingdom 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 17% of flights between Luxembourg and United Kingdom have experienced a delay on any given week. The average delay length over the past 12 months has been 99 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, British Airways have had the fewest delays on this route over the last 12 months, with about 12% of their flights experiencing any sort of delay.

5 flights are operational daily from Luxembourg to United Kingdom as of July 2026. The most popular departure time for this route is 11:00, with 62% of flights per day taking off at midday.

36 flights are operational weekly from Luxembourg to United Kingdom as of July 2026. The most popular departure day for this route is Mon, with 36% of flights per week taking off on this day.