$757 Cheap Flights from London (LGW) to Las Vegas (LAS)

Popular airlines from Gatwick Airport (LGW) to Harry Reid Intl. Airport (LAS)

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

Prices were available within the past 7 days and start at $757 for one-way flights and $599 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

JetBlue Airways
JetBlue Airways
JetBlue Airways
JetBlue Airways
JetBlue Airways
JetBlue Airways
British Airways
Swiss International Air Lines
American Airlines
Iberia

Find the cheapest month to fly from London (LGW) to Las Vegas (LAS)

January is typically the cheapest month to fly

From $378 - $1,090 per traveler.

Graph displaying average flight prices per month

Flights from London (LGW) to Las Vegas (LAS)
Origin airport
Gatwick
Destination airport
Harry Reid Intl.
Airlines serving
Air Europa, Air France, Air Transat, American Airlines, British Airways, Delta, Finnair, ITA Airways, Iberia, Icelandair, JetBlue Airways, Swiss International Air Lines, TAP Portugal, Virgin Atlantic
Roundtrip price
$598
Distance
5239 mi
Average flight time
10 hours 55 mins

London to Las Vegas Flights

The cheapest times to fly from London to Las Vegas

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 London to Las Vegas are during the month of September. You can find some of the cheapest flights from London to Las Vegas with Expedia's search tool and vast selection of airlines.

 

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

Sunday is one of the best days to book for cheap flights from London to Las Vegas: 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 London to Las Vegas

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 London to Las Vegas in 2025. You can also book with separate airlines for your outbound and return journeys, from $757 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 London to Las Vegas 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 London to Las Vegas 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 much does a flight from Gatwick Airport (LGW) to Harry Reid Intl. Airport (LAS) cost?
Find cheap return tickets from Gatwick Airport (LGW) to Harry Reid Intl. Airport (LAS) starting at $798. Snag a seat and start your adventure. This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a British Airways flight leaving LGW on July 15 2025 and touching down at LAS. The price was last updated on July 11 2025 and has not changed since.
What is the cheapest month to fly from LGW to LAS?
The cheapest flights from LGW to LAS are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Gatwick Airport (LGW) to Harry Reid Intl. Airport (LAS)?
When departing from Gatwick Airport (LGW), you can board a direct flight to Harry Reid Intl. Airport (LAS) with Norse Atlantic UK.
What is the cheapest airline that flies from LGW to LAS?
With fares starting at $1699 for a one-way flight from LGW to LAS, British Airways is currently the cheapest airline on this route. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from LGW on September 30 2025. Prices were last updated on July 11 2025 and have not changed since.
How many flights per day from Gatwick Airport (LGW) to Harry Reid Intl. Airport (LAS)?
On average you can take your pick of 3 direct flights each week from Gatwick Airport (LGW) to Harry Reid Intl. Airport (LAS). For more options, consider taking a flight with a layover. Simply enter your details on Expedia and then set the filter tool to include one or more stops.
What are the most popular departure times for flights from Gatwick Airport (LGW) to Harry Reid Intl. Airport (LAS)?
The 12 PM departures from LGW to LAS see the highest demand. They can also be more expensive. If you want to save on your trip, book during off-peak hours.
What day of the week has the most flights from LGW to LAS?
Fly on a Sunday if you're looking for the largest selection of flights from Gatwick Airport (LGW) to Harry Reid Intl. Airport (LAS).
What is the earliest flight from Gatwick Airport (LGW) to Harry Reid Intl. Airport (LAS)?
Take the earliest flight at around 12:00PM UTC+0, heading out of Gatwick Airport (LGW). You'll be flying for about 10h 40m, reaching Harry Reid Intl. Airport (LAS) at approximately 2:40PM UTC-8.
How long does it take to fly from Gatwick Airport (LGW) to Harry Reid Intl. Airport (LAS)?
It takes about 10 hours and 40 minutes to fly the 5,200 mi from LGW to LAS.
What is the best time to fly from Gatwick Airport (LGW) to Harry Reid Intl. Airport (LAS)?
Book a flight from Gatwick Airport (LGW) to Harry Reid Intl. Airport (LAS) that leaves before 3 PM to reduce the likelihood of delays and cancellations. Departures after this time have a 22% higher chance of being canceled, on average.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Las Vegas from Gatwick Airport (LGW)?
Compare your flight options from Gatwick Airport (LGW) to Harry Reid Intl. Airport (LAS). This is the only Las Vegas airport you can land at if you're taking a direct flight.
Is it cheaper to buy a plane ticket from Gatwick Airport (LGW) to Harry Reid Intl. Airport (LAS) last-minute?
Last-minute bookings from LGW to LAS are typically more expensive. For the best prices, start looking for flights well ahead of time. That being said, if you can play around with your travel dates, you may find a cheap fare right before you leave.
Is it cheaper to book a LGW to LAS flight and hotel package?
Compared with arranging flights and hotels separately, booking a LGW to LAS flight and hotel package with Expedia could lead to significant savings. Better still, having everything in one easy place takes the hassle out of planning your trip. Just pick your flights and choose from our wide range of stays, then customize your trip with extras like tours, activities and car rentals.
Can I cancel or change the date of my flight from Gatwick Airport (LGW) to Harry Reid Intl. Airport (LAS)?
In most instances, you can cancel or reschedule your LGW to LAS flight. However, there may be additional fees, especially if your booking was made over 24 hours ago. Double-check your itinerary for the airline's rules and fees on flight changes, or if you'd like further details, head to our Customer Service portal.

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*Available to One Key members.