Cheap flights from Las Vegas to London from £207

The cheapest month to fly to London from Las Vegas is in February. Flight prices, which tend to average around £586, are often lower during this time because this is during the off-season. The month of January is another great option to travel to London, with average flight prices from Las Vegas averaging around £608.

Our data shows that Sunday is the least expensive day to fly to London. Tickets to fly out on this day can be as low as £497. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from Las Vegas to London for around £1,173.

The cheapest time of day to fly to London is in the evening when flights can be purchased for as low as £613. Flights in the afternoon are often more expensive, with an average ticket price of £842.

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

You are more likely to see cheaper flights to London from Las Vegas when booking weeks ahead of your departure date. In general, you can expect to find flights to London for around £788 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London from Las Vegas for as low as £661 on momondo.

There are 2 cabin classes available to choose from on Las Vegas to London 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 4% on your flight if you consider stops on a Las Vegas to London flight.

As of October 2026, prices for Las Vegas to London flights are approximately 141% more expensive when compared to flights at the same time last year.

The number of flights available between Las Vegas and London is 5 per day as of October 2026. The most frequent departure time is 21:00, with 80% of daily flights leaving in the evening.

The number of flights available between Las Vegas and London is 36 per week as of October 2026. The most frequent departure day is Wed, with 25% of weekly flights leaving on this day.