Cheap Flights from London Heathrow to Las Vegas

Compare London Heathrow to Las Vegas flight deals

Find the cheapest month or even day of the year to fly to Las Vegas

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Flight deals from London Heathrow to Las Vegas

Looking for a cheap last-minute deal or the best return flight from London Heathrow Airport to Las Vegas? If you want to travel next month, return fares start from $1,249. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from London Heathrow to Las Vegas

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

Direct flights from London Heathrow to Las Vegas

Alternative London Heathrow to Las Vegas routes

Looking for the cheapest, fastest or easiest route from London Heathrow 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$1,116
Cheapest month to flySeptember
Average flight time10 hrs, 44 mins
Most popular airlineKLM
Average flights per week174

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

There are 4 airports in Las Vegas: North Las Vegas, Harry Reid International, Henderson Executive, and Boulder City Municipal.
The best price we found for a return flight from London Heathrow to Las Vegas is $1,114. 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 44 minutes is the average flight time from London Heathrow to Las Vegas.
KLM, American Airlines and British Airways fly direct from London Heathrow to Las Vegas.
As of June 2026, there are 87 flights per week flying from London Heathrow to Las Vegas.
The cheapest month to fly from London Heathrow to Las Vegas is usually September.
If you're flying from London Heathrow Airport, the cheapest airport near Las Vegas is Harry Reid International – which is 4.3 km away from the centre of Las Vegas. We've found flights into this airport from $1,114.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from London Heathrow Airport to Las Vegas on Wednesday, 2 September 2026.
Yes – the average flight time is 10 hours and 44 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 June, the average temperature is usually around 26°C. July is typically the warmest month in Las Vegas, when it usually averages around 37°C. You can expect the least rain in June. The coldest month is December, with temperatures averaging -0°C. The rainiest month is February.
Currently, SWISS and British Airways offer the cheapest flight tickets to Las Vegas.

Flying from London Heathrow Airport (LHR) to Las Vegas: what you need to know

  • Expect to be in the air for 9 hours 55 minutes. That's the average duration of a direct flight from London Heathrow Airport to Las Vegas.

  • Las Vegas is eight hours behind London, where London Heathrow Airport is located. Las Vegas follows the UTC-8 timezone.

  • London Heathrow Airport (LHR) to Las Vegas Harry Reid International Airport (LAS) is the most traveled route. When searching for your flight, you can choose from 17 services each week between LHR and LAS.

  • For a relaxed start to your LHR to Las Vegas flight, leave plenty of time for things like check-in and baggage drop. Arriving two hours ahead of international departures and an hour before domestic flights is the general rule.

  • You can expect bigger queues during popular months like July. Arriving up to four hours in advance for an international flight and two hours for a domestic departure will give you plenty of time for security and boarding.

  • Direct London Heathrow Airport to Las Vegas tickets are available for booking. Las Vegas Harry Reid International Airport (LAS) will be where your journey ends.

  • Direct flights from London Heathrow Airport to Las Vegas are offered by a good range of airlines. Book your seat with any of these:

  • A stopover is the ideal opportunity to break up your trip and perhaps even tick off a new city. When searching for plane tickets from LHR to Las Vegas, deselect the 'Direct flights only' box to see where you can visit along the way. Here are some options to consider:

    • Denver International Airport (DEN)

    • Phoenix Sky Harbour International Airport (PHX)

    • Salt Lake City International Airport (SLC)

  • Travelling from central London to LHR takes around 25 minutes by public transport. If you drive, ride-share or grab a taxi, you'll cover the 26 kilometres in 45 minutes or so, depending on traffic conditions.

  • In search of a hotel near LHR? If you're catching an early flight from London Heathrow Airport to Las Vegas, these stays will put you moments from check-in:

  • Of the flights that depart from London Heathrow Airport, 78% land on time at their destination.

How to find the cheapest flights from London Heathrow Airport (LHR) to Las Vegas

  • $871 is currently the lowest price for a one-way London Heathrow Airport to Las Vegas flight. Return plane tickets start from $1,114. These fares may change based on demand.

  • Don't leave everything to the last moment. You're more likely to land cheap flights from LHR to Las Vegas if you book in advance. Airlines often offer some fantastic early bird deals.

  • The 'Whole month' search tool will show you the cheapest tickets from London Heathrow Airport to Las Vegas throughout the month. It's an easy way to find a bargain if your trip dates aren't set in stone.

  • Never miss a deal on cheap flights from LHR to Las Vegas by setting up a Price Alert. You'll receive an email or notification through the app when a new low fare is offered.

  • Tailor your trip with filters. Choose your departure and arrival times, airlines and total journey duration. You can also sort results by 'Fastest,' 'Best' or 'Cheapest' flights from London Heathrow Airport to Las Vegas.

Airports in Las Vegas

Las Vegas Harry Reid International Airport (LAS)

  • The distance from Las Vegas Harry Reid International Airport (LAS) to central Las Vegas is roughly 8 kilometres. It'll take you around 10 minutes to get to the centre driving.

  • It'll take around 25 minutes to get there by public transport.

  • The last thing you want is a lengthy journey to your hotel if you're landing late on a flight from London Heathrow Airport to Las Vegas. Book one of these accommodation options near LAS instead:

  • Booking your vehicle from Las Vegas Harry Reid International Airport about one week before your flight from LHR to Las Vegas can help you get the lowest rate.

  • The street address for LAS is 5757 Wayne Newton Boulevard.

Best time to go to Las Vegas

  • December is the quietest month for flights from London Heathrow Airport to Las Vegas, while March is the most popular. Find the ideal time to visit Las Vegas based on whether you like a laid-back vibe or a lively atmosphere.

  • Before locking in your London Heathrow Airport to Las Vegas plane ticket, think about what kind of weather you prefer. July is the warmest month in Las Vegas, with temperatures ranging from 23ºC to 43ºC.

  • Search for cheap tickets from LHR to Las Vegas in January if you'd rather travel during cooler conditions. Temperatures are at their lowest then, ranging between 0ºC and 16ºC on average.

More about Las Vegas

  • Once you've booked your flight from London Heathrow Airport to Las Vegas, choose a hotel that puts you where you want to be. Make one of these options your base for exploring Las Vegas:

  • There are so many things to explore in this city it can be difficult to know where to start. Las Vegas Strip, Ciudad del Pecado o Las Vegas and Fountains of Bellagio are popular attractions which should feature on every Las Vegas itinerary.

Explore more of the United States

  • You've seen Las Vegas, now it's time to discover other parts of the United States. Journey around 370 kilometres southwest to Los Angeles to tick off its leading attractions. From Hollywood Sign to Universal Studios Hollywood and Hollywood Bowl, you'll have a packed itinerary ahead.

  • Phoenix is another well-known destination in the United States and is around 418 kilometres southeast of Las Vegas. No journey is complete without visiting Camelback Mountain, Yayoi Kusama Fireflies Infinity Mirror Room and Heard Museum.

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.