Cheap flights from London Heathrow Airport to Las Vegas from $542

The month of January is, on average, the cheapest month to fly to Las Vegas from London Heathrow Airport, with most prices found around $736. The month of February is another great option to travel to Las Vegas, with average flight prices from London Heathrow Airport averaging around $782.

Our data shows that Friday is the least expensive day to fly to Las Vegas. Tickets to fly out on this day can be as low as $822. Flights from London Heathrow Airport to Las Vegas on a Sunday will generally be more expensive and average around $1,138. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

The cheapest time of day to fly to Las Vegas is in the afternoon when flights can be purchased for as low as $975. Flights to Las Vegas are more costly in the morning, with an average ticket price of $995. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

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

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 $883 when searching weeks out. 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 $803 on momondo.

There are 3 cabin classes available to choose from on London Heathrow Airport to Las Vegas 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 6% on your flight if you consider stops on a London Heathrow Airport to Las Vegas flight.

As of October 2026, prices for London Heathrow Airport to Las Vegas flights are approximately 13% cheaper when compared to flights at the same time last year.

Alaska Airlines is the most popular carrier operating from London Heathrow to Las Vegas Harry Reid Intl

British Airways, Virgin Atlantic and Delta are the top three most popular airlines that fly to Las Vegas from London Heathrow Airport according to our data. British Airways is the first choice among our users, with 45% of people opting to fly with this airline when traveling to Las Vegas. Keep in mind that there are 4 different airlines that fly to Las Vegas on a routine basis, so you have a few additional options to choose from.

Historically, on average around 18% 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 133 minutes.

Generally, flights departing in the morning tend to experience fewer delays. Flights in the early afternoon have, in the past, seen delays more frequently in comparison.

Tuesday is statistically the day of the week which experiences the fewest number of 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 least number of delays on this route over the last 12 months; with about 14% of their flights experiencing any sort of delay.

As of October 2026, 7 flights take off from London Heathrow Airport and land in Las Vegas each day. The most common flight departure time for this route is 5:00PM, with 85% of daily flights taking off in the afternoon.

As of October 2026, 54 flights take off from London Heathrow Airport and land in Las Vegas each week. The most common flight departure day for this route is Mon, with 17% of weekly flights taking off on this day.