$326 Flights from London (LOND) to Las Vegas (LASA)

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Flight deals from London to Las Vegas

Looking for a cheap last-minute deal or the best round-trip flight from London to Las Vegas? Find the lowest prices on one-way and round-trip tickets right here.

Find the cheapest month to fly from London to Las Vegas

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like London to Las Vegas flights are currently cheapest in March.

Direct flights from London to Las Vegas

Alternative London to Las Vegas routes

Looking for the cheapest, fastest or easiest route from London to Las Vegas? You could fly into the following airports instead.

London to Las Vegas: Flight information

The things to know before you go.
Cheapest flight found$326
Cheapest month to flyMarch
Average flight time10 hrs, 46 mins
Most popular airlineKLM
Average flights per week76

Finding cheap flights from London to Las Vegas: Frequently asked questions

There are 4 airports in Las Vegas: North Las Vegas, Harry Reid, Henderson Executive, and Boulder City Municipal.
The best price we found for a round-trip flight from London to Las Vegas is $528. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
10 hours and 46 minutes is the average flight time from London to Las Vegas.
KLM, American Airlines and British Airways fly direct from London to Las Vegas.
There are 684 flights per week flying from London to Las Vegas, as of December 2025.
The cheapest month to fly from London to Las Vegas is usually March.
If you're flying from London, the cheapest airport near Las Vegas is Harry Reid – which is 2.7 miles away from the center of Las Vegas. We've found flights to this airport from $528.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from London to Las Vegas on Tuesday, March 10, 2026.
Yes – the average flight time is 10 hours and 46 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Las Vegas but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar, and it looks like the cheapest time to book a flight to Las Vegas is around 40 days in advance, so don’t leave your flight to the last minute.
In December, the average temperature is usually around 42°F. July is typically the warmest month in Las Vegas, when it usually averages around 99°F. You can expect the least rain in June. The coldest month is December, with temperatures averaging 32°F. The rainiest month is February.
The cheapest airline that flies to Las Vegas is British Airways.

Traveling from London to Las Vegas: what you need to know

  • When planning a flight from London to Las Vegas, you'll have a good choice of airports to jet out of. Consider London Heathrow Airport (LHR) and London Gatwick Airport (LGW) for your departure. Other possibilities include Stansted Airport (STN), London Luton Airport (LTN) and London City Airport (LCY).

  • Harry Reid Airport (formerly McCarran Airport) (LAS) is where your flight will arrive in Las Vegas.

  • The average time for a direct London to Las Vegas flight is 10 hours 50 minutes.

  • Las Vegas is seven hours behind London and follows the UTC-7 timezone.

  • With 15 flights a week between the two airports, London Heathrow Airport (LHR) to Harry Reid Airport (formerly McCarran Airport) (LAS) is the most popular route. Hop on the earliest flight from London to Las Vegas with British Airways at 12:15. If you prefer to get more out of your day before you fly, the latest departure from LHR to LAS is with British Airways at 17:30.

  • Give yourself enough time to get on your London to Las Vegas flight. As a general rule, arrive at least two hours before international departures and an hour ahead for domestic flights.

  • Be prepared for longer queues in popular months such as July. Arriving up to four hours in advance for international flights and two hours for a domestic departure will help ensure a smooth travel experience.

How to find the cheapest flights from London to Las Vegas

  • To snag cheap London to Las Vegas flights, book your trip two months ahead of your departure date.

  • Plan your trip for May. That's the best month for scoring an incredible deal on plane tickets from London to Las Vegas. If you're open to different travel dates, use the 'Whole month' tool to find the lowest price across each month.

  • Getting a cheap flight from London to Las Vegas is a piece of cake with Price Alerts. Simply set up one of these automatic alerts and we'll get in touch as soon as the price has dropped.

  • Pick your ideal arrival and departure times, airlines and number of stops by using the filters. Or sort your London to Las Vegas flight results by 'Cheapest,' 'Fastest' or 'Best.'

Flying from London

London Heathrow Airport (LHR)

  • Depart from London Heathrow Airport (LHR) on a nonstop flight from London to Las Vegas. From LHR, you can fly directly to Harry Reid Airport (formerly McCarran Airport) (LAS).

  • British Airways is a popular carrier that offers direct London to Las Vegas plane tickets leaving from LHR.

  • A stopover is the ideal opportunity to break up your trip — and maybe even explore another city. When searching for London to Las Vegas flights leaving from London Heathrow Airport, deselect the 'Direct flights only' box to see where you can visit along the way. Top options include:

    • Denver International Airport (DEN)

    • Phoenix Sky Harbor International Airport (PHX)

    • Dublin Airport (DUB)

  • LHR is around 16 miles from central London. If you're driving, ride-sharing or catching a cab from the center, it'll take you 55 minutes or so to get there, depending on traffic conditions. If you're using public transport, expect the trip time to be around 1 hour.

  • Planning to catch an early flight from London to Las Vegas? Avoid rushing to the terminal (and sneak in some extra snooze time) by choosing one of these stays close to London Heathrow Airport:

  • Of the flights that depart from London Heathrow Airport, 68.18% arrive on time at their destination.

London Gatwick Airport (LGW)

  • Consider booking your direct flight from London to Las Vegas departing London Gatwick Airport (LGW). Nonstop connections from LGW will take you to Harry Reid Airport (formerly McCarran Airport) (LAS).

  • Norse Atlantic UK offers direct London to Las Vegas plane tickets from LGW. Book your favorite window (or aisle) seat and reach your destination in a single journey.

  • Visit friends or family or just take a moment to recharge with a stopover. If you'd like to break up your London to Las Vegas flight, check out these options when setting off from London Gatwick Airport:

    • Amsterdam Airport Schiphol (AMS)

    • John F. Kennedy International Airport (JFK)

    • Dublin Airport (DUB)

  • LGW is around 25 miles from central London. It'll take you 1 hour 20 minutes or so to get to the airport if you're driving from the city center. Public transport takes roughly 30 minutes.

  • Start your vacation sooner with an additional night away from home. Before your flight from London to Las Vegas, stay in one of these hotels close to London Gatwick Airport:

  • 69% of flights leaving London Gatwick Airport arrive within the expected time frame.

Stansted Airport (STN)

  • You can book a ticket from London to Las Vegas leaving from Stansted Airport (STN) with a stopover. Amsterdam Airport Schiphol (AMS) is a major connection point.

  • STN is around 30 miles from central London. Driving from the city center to the terminal takes about 1 hour. If you're planning to take public transport, you can expect a journey of around 1 hour 25 minutes.

  • Wake up, take it easy and still make your London to Las Vegas flight with time to spare. These accommodation options near Stansted Airport make it a breeze to get to the terminal if you're flying out early:

  • The on-time performance rate of STN is 64.73%. In other words, that's how frequently flights from this airport arrive at their destination as planned.

Arriving in Las Vegas

Harry Reid Airport (formerly McCarran Airport) (LAS)

  • The distance from Harry Reid Airport (formerly McCarran Airport) (LAS) to central Las Vegas is approximately 2 miles. It takes about 15 minutes to get to the center driving.

  • When traveling by public transport, expect a journey time of roughly 1 hour.

  • If you're coming in on a late flight from London to Las Vegas, few things beat the convenience of staying close to the terminal. Collect your bags from the carousel and then be showered and resting not long after at one of these accommodation options near LAS:

  • Get your adventure underway by picking up a Harry Reid Airport (formerly McCarran Airport) rental car. Grab your wheels from Dollar, Thrifty or Alamo and experience the lesser-explored corners of Las Vegas and beyond.

  • Lock in the lowest price by reserving your ride from Harry Reid Airport (formerly McCarran Airport) around one week before your travel date.

  • The address for LAS is 5757 Wayne Newton Boulevard.

Best time to go to Las Vegas

  • October is the busiest month for flights from London to Las Vegas. To travel when it's less crowded, head to Las Vegas in May.

  • When booking your London to Las Vegas tickets, consider the weather you're most comfortable in. July is the warmest month in Las Vegas, with temperatures ranging from 73ºF to 108ºF.

  • Look for cheap flights from London to Las Vegas in January if you like traveling in cooler conditions. Temperatures are at their lowest then, ranging between 30ºF and 55ºF on average.

More about Las Vegas

Explore more of United States

  • You've visited Las Vegas, now it's time to explore other parts of United States. Journey about 230 miles south-west to Los Angeles to tick off its must-visit sights. From Griffith Observatory to The Broad and La Brea Tar Pits & Museum, your itinerary will be busy.

  • Around 260 miles south-east of Las Vegas, Phoenix is another favorite stop in United States. Get a taste of what this destination has to offer at Desert Botanical Garden, Heard Museum and Papago Park.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.