Cheap flights from Las Vegas to London from £266

The cheapest month to fly to London from Las Vegas is in February. Flight prices, which tend to average around £535, 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 £596.

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 £492. 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 £1,161.

The cheapest time of day to fly to London is at midday when flights can be purchased for as low as £421. Flights in the afternoon are often more expensive, with an average ticket price of £833.

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 £773 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 £627 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.

No. A direct flight is the cheapest option for a flight between Las Vegas to London.

As of September 2026, prices for Las Vegas to London flights are approximately 83% more expensive when compared to flights at the same time last year.

The number of flights available between Las Vegas and London is 11 per day as of September 2026. The most frequent departure time is 22:00, with 74% of daily flights leaving in the evening.

The number of flights available between Las Vegas and London is 78 per week as of September 2026. The most frequent departure day is Mon, with 17% of weekly flights leaving on this day.