Cheap flights from London to Las Vegas from €427

The month of January is, on average, the cheapest month to fly to Las Vegas from London, with most prices found around €666. 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 €668.

Fly from London Heathrow to Las Vegas Harry Reid Intl for the best London - Las Vegas Harry Reid Intl flight prices

You are more likely to see cheaper flights to Las Vegas from London when booking weeks ahead of your departure date. In general, you can expect to find flights to Las Vegas for around €748 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 for as low as €651 on momondo.

There is only 1 cabin class available to choose from on London to Las Vegas Harry Reid Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

You could potentially save up to 43% on your flight if you consider stops on a London to Las Vegas flight.

As of April 2026, prices for London to Las Vegas flights are approximately 25% cheaper when compared to flights at the same time last year.

Historically, on average around 15% 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 127 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. Monday 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 11% of their flights experiencing any sort of delay.

As of April 2026, 11 flights take off from London and land in Las Vegas each day. The most common flight departure time for this route is 17:00, with 95% of daily flights taking off in the afternoon.

As of April 2026, there are 81 flights per week flying from London to Las Vegas. The most common day of the week flights depart is Mon, with 15% of flights taking off on this day.