Cheap flights from Las Vegas to London from £167

In general, February is the cheapest month to fly from Las Vegas to London Heathrow Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £497. The month of October is another great option to travel to London Heathrow Airport, with average flight prices from Las Vegas averaging around £574.

On average, the least expensive day to fly to London Heathrow Airport from Las Vegas is on a Sunday. momondo users have found tickets for Sunday departures for as low as £498. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Friday as prices are generally higher than usual. According to our data, the average ticket price to London Heathrow Airport on Friday is £1,176.

According to our data, the cheapest time of day to fly to London Heathrow Airport is in the evening. momondo users have found flights departing from Las Vegas to London Heathrow Airport in the evening for as low as £608. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are £844 on average. Flights to London Heathrow Airport from Las Vegas in the afternoon are generally more expensive because this time of day is more convenient for travellers’ schedules.

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

You are more likely to see cheaper flights to London Heathrow Airport from Las Vegas when booking weeks ahead of your departure date. In general, you can expect to find flights to London Heathrow Airport for around £732 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London Heathrow Airport from Las Vegas for as low as £558 on momondo.

There are 2 cabin classes available to choose from on Las Vegas to London Heathrow Airport 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 Heathrow Airport.

As of July 2026, prices for Las Vegas to London Heathrow Airport flights are approximately 25% cheaper when compared to flights at the same time last year.

The number of flights available between Las Vegas and London Heathrow Airport is 9 per day as of July 2026. The most frequent departure time is 22:00, with 88% of daily flights leaving in the evening.

The number of flights available between Las Vegas and London Heathrow Airport is 68 per week as of July 2026. The most frequent departure day is Mon, with 18% of weekly flights leaving on this day.