United Airlines Flights from London to Las Vegas

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At the moment, you can catch a direct flight from London to Las Vegas with the following airlines, including: Virgin Atlantic British Airways Norse Atlantic Airways Alaska Airlines Finnair Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.

It takes about 10 hours 49 minutes to fly from London (LON) to Las Vegas (LAS).

By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from London to Las Vegas is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.

Based on Trip.com data in the past 4 weeks, there is 19 flight per week flying from London to Las Vegas. You can check the weekly schedule for popular airlines on this route below: Virgin Atlantic: S/M/T/W/T/F/S -- VS155 (18:05)

To find best deals on flights from London to Las Vegas, you can use various tools on Trip.com:
· Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on {{25a2b5_owDate}}, with one-way flights priced at just {{25a2b5_owPrice}}.
· Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is {{airlineName}}.
· Set up price alerts to easily monitor ticket prices without having to check every day.
· Check Trip.com flight deals and promo codes frequently.
· Avoid peak season unless you book very early. It seems the peak season for Las Vegas travel is around {{peakSeason}}.
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The cheapest months to fly from London to Las Vegas is May, when demand for travel is lower.

After crunching the numbers on our September flight calendar, it's currently cheapest to fly from London to Las Vegas on September 24, 2025 with Norse Atlantic Airways, with prices starting at £341.

You can land at any one of the following hubs in Las Vegas, with Heathrow Airport to Harry Reid International Airport (LHR-LAS) is by far the most common option on this route: Boulder City Municipal Airport (BLD) Henderson Executive Airport (HSH) Harry Reid International Airport (LAS) Nellis Air Force Base (LSV).

The time difference between Las Vegas and London is 8h.

Tickets can only be changed or cancelled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.