Cheap flights from London to Las Vegas from €447

The month of February is, on average, the cheapest month to fly to Las Vegas from London, with most prices found around €651. If you aren’t able to travel to Las Vegas during the month of February, then flying in March is also cheap. Prices for this month can be found on momondo for an average of €666.

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 €746 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 €697 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.

Historically, on average around 14% 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 129 minutes.

Generally, flights departing in the early afternoon tend to experience fewer delays. Flights departing in the morning 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, American 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, 9 flights take off from London and land in Las Vegas each day. The most common flight departure time for this route is 16:00, with 100% of daily flights taking off in the afternoon.

As of February 2026, there are 64 flights per week flying from London to Las Vegas. The most common day of the week flights depart is Wed, with 19% of flights taking off on this day.