$394 Cheap Flights from Las Vegas (LAS) to London (LGW)

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Find available prices by choosing your travel dates.

Cheap Flights from Las Vegas to London (LAS-LGW)

Prices were available within the past 7 days and start at $394 for one-way flights and $682 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

British Airways
Iberia
British Airways
American Airlines
Virgin Atlantic
American Airlines
British Airways
American Airlines
JetBlue Airways
Swiss International Air Lines
Flights from Las Vegas (LAS) to London (LGW)
Origin airport
Harry Reid Intl.
Destination airport
Gatwick
Airlines serving
Air Europa, Air France, Air Transat, American Airlines, British Airways, Delta, Finnair, ITA Airways, Iberia, Icelandair, JetBlue Airways, Porter Airlines, Royal Air Maroc, Swiss International Air Lines, TAP Portugal, Virgin Atlantic
Roundtrip price
$681
Distance
5239 mi

Las Vegas to London Flights

The cheapest times to fly from Las Vegas to London

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Las Vegas to London are during the month of October. You can find some of the cheapest flights from Las Vegas to London with Expedia's search tool and vast selection of airlines.

The best time to book a flight from Las Vegas to London

Sunday is one of the best days to book for cheap flights from Las Vegas to London: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

How to find cheap round-trip tickets from Las Vegas to London

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Las Vegas to London in 2025. You can also book with separate airlines for your outbound and return journeys, from $394 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Las Vegas to London flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

You could also save big by booking one of Expedia's vacation packages. Bundling together your Las Vegas to London airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

*Terms apply.

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

Frequently asked questions

How long does it take to fly from McCarran Intl. Airport (LAS) to LGW?
Purchase a ticket with British Airways and you can expect to be airborne for roughly 10 hours and 5 minutes. This leading airline has a direct flight that leaves at 3:00PM from McCarran Intl. Airport (LAS) and arrives at LGW at 9:05AM. Expedia has unbeatable flight deals, so check out what’s on offer on this route today.
Is it cheaper to buy a plane ticket from Harry Reid Airport (formerly McCarran Airport) to LGW last minute?
Booking your flight from LAS to London Gatwick last minute could save you a nice sum if you get lucky and find an awesome deal. However, airfares don’t typically get cheaper as the departure date nears. If you hold off, flights could also be booked up or the best seats long gone. If you don’t want to hedge your bets, book well in advance of your departure date. Note that some of the biggest deals can be found up to 12 months in advance. If your preferred airline hasn’t released its fares yet, check back regularly as deals are constantly updated on Expedia.
What airline has the least delays from McCarran Airport to London Gatwick?
Recording an on-time arrival score of 82%, British Airways is the carrier that’s likelier to fly you from Harry Reid Airport (formerly McCarran Airport) to Gatwick Airport (LGW) on schedule. Flight delays aren’t just frustrating — they can also cause you to miss a vital connection that could ruin your entire vacation. You can stay updated about delays by looking up your flight status through the free Expedia App well before you get to the airport. If you’re already there and your plans will be significantly impacted, visit the customer service desk for more information.
What airports do you fly into for London from Las Vegas?
Gatwick Airport (LGW), Heathrow Airport (LHR) and London City Airport (LCY) are your options when jetting from Las Vegas to London. Approximately 25 mi south of central London, Gatwick Airport (LGW) is the city’s main hub. Take into account things like flight arrival and departure times and the distance to your hotel before deciding where you fly into. Big Ben and Buckingham Palace are two amazing attractions to add to your must-see list when you arrive.
What are the most popular departure times for flights from McCarran Airport to LGW?
For British Airways flights making their way from McCarran Intl. Airport (LAS) to London Gatwick, the busiest period is between 3:00 PM - 4:00 PM. If you’d like to avoid any delays, book the earliest flight. This allows you to dodge the air traffic that builds up in the afternoon and evening.
Can I change the date of my flight from McCarran Airport to Gatwick Airport (LGW)?
Expedia makes it easy to make amendments to your McCarran Intl. Airport (LAS) to London Gatwick journey yourself. Just log in to the Expedia Trips portal and hit “change flight.” Browse around for new flights and choose the one that fits your new plans. You’ll get an estimate of applicable flight change fees. You can also visit our Customer Service portal to chat to our Virtual Agent and get answers to all your questions.

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