Cheap flights from the United Kingdom to Las Vegas from £345

In general, January is the cheapest month to fly from United Kingdom to Las Vegas. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £595. If you’re not able to fly to Las Vegas in January, then February is your next best option. Flight prices from United Kingdom to Las Vegas during February average around £633.

The cheapest day to depart on your flight to Las Vegas is on a Thursday when prices can be found for as low as £664. This is often the case because there is less demand to fly during this day of the week. On the other hand, Sunday is the most expensive day to depart from United Kingdom because it is more convenient for both business and leisure travellers. As a result, prices tend to be around £762.

Our data shows that the cheapest United Kingdom to Las Vegas flights are usually those with departure times in the afternoon. Our users have found flights to Las Vegas in the afternoon for as low as £690. Flights to Las Vegas are more costly in the morning, with an average ticket price of £777. 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 United Kingdom - Las Vegas Harry Reid Intl flight prices

You are more likely to see cheaper flights to Las Vegas from United Kingdom when booking weeks ahead of your departure date. In general, you can expect to find flights to Las Vegas for around £667 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 United Kingdom for as low as £610 on momondo.

There are 4 cabin classes available to choose from on United Kingdom to Las Vegas flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Alaska Airlines, Finnair, and JetBlue are the most popular carriers operating from United Kingdom to Las Vegas Harry Reid Intl

Virgin Atlantic, British Airways and KLM are the top three most popular airlines that fly to Las Vegas from United Kingdom according to our data. Virgin Atlantic is the first choice among our users, with 48% of people opting to fly with this airline when travelling to Las Vegas. Keep in mind that there are 18 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 United Kingdom and Las Vegas have experienced a delay on any given week. The average delay length over the past 12 months has been 136 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 14% of their flights experiencing any sort of delay.

As of September 2026, 11 flights take off from United Kingdom 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.

83 flights are operational weekly from United Kingdom to Las Vegas as of September 2026. The most popular departure day for this route is Mon, with 17% of flights per week taking off on this day.