Cheap flights from London Heathrow Airport to Las Vegas from €499

The month of January is, on average, the cheapest month to fly to Las Vegas from London Heathrow Airport, with most prices found around €656. If you aren’t able to travel to Las Vegas during the month of January, then flying in February is also cheap. Prices for this month can be found on momondo for an average of €692.

You are more likely to see cheaper flights to Las Vegas from London Heathrow Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Las Vegas for around €768 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Las Vegas from London Heathrow Airport for as low as €676 on momondo.

Historically, on average around 17% of flights between London and Las Vegas have experienced a delay on any given week. The average delay length over the past 12 months has been 124 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, Virgin Atlantic have had the fewest delays on this route over the last 12 months, with about 13% of their flights experiencing any sort of delay.

11 flights are operational daily from London Heathrow Airport to Las Vegas as of June 2026. The most popular departure time for this route is 17:00, with 95% of flights per day taking off in the afternoon.

The number of flights available between London Heathrow Airport and Las Vegas is 78 per week as of June 2026. The most frequent departure day is Sun, with 17% of weekly flights leaving on this day.