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Cheap Flights from London to Las Vegas

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Compare London Heathrow to Las Vegas flight deals

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

Book the best Las Vegas fare with no extra fees

Flight deals from London Heathrow to Las Vegas

Looking for a cheap last-minute deal or the best return flight from London Heathrow to Las Vegas? Find the lowest prices on one-way and return tickets right here.
Las Vegas.$948 per passenger.Departing Thu, 8 May, returning Thu, 15 May.Return flight with SWISS and Spirit Airlines.Outbound indirect flight with SWISS, departs from London Heathrow on Thu, 8 May, arriving in Las Vegas Harry Reid International.Inbound indirect flight with Spirit Airlines, departs from Las Vegas Harry Reid International on Thu, 15 May, arriving in London Heathrow.Price includes taxes and charges.From $948, select.
Las Vegas.$1,039 per passenger.Departing Mon, 2 Mar, returning Sun, 8 Mar.Return flight with Brussels Airlines.Outbound indirect flight with Brussels Airlines, departs from London Heathrow on Mon, 2 Mar, arriving in Las Vegas Harry Reid International.Inbound indirect flight with Brussels Airlines, departs from Las Vegas Harry Reid International on Sun, 8 Mar, arriving in London Heathrow.Price includes taxes and charges.From $1,039, select.
Las Vegas.$1,071 per passenger.Departing Wed, 30 Apr, returning Thu, 8 May.Return flight with Virgin Atlantic and Spirit Airlines.Outbound indirect flight with Virgin Atlantic, departs from London Heathrow on Wed, 30 Apr, arriving in Las Vegas Harry Reid International.Inbound indirect flight with Spirit Airlines, departs from Las Vegas Harry Reid International on Thu, 8 May, arriving in London Heathrow.Price includes taxes and charges.From $1,071, select.
Las Vegas.$1,087 per passenger.Departing Sat, 20 Sep, returning Sat, 4 Oct.Return flight with Brussels Airlines.Outbound indirect flight with Brussels Airlines, departs from London Heathrow on Sat, 20 Sep, arriving in Las Vegas Harry Reid International.Inbound indirect flight with Brussels Airlines, departs from Las Vegas Harry Reid International on Sat, 4 Oct, arriving in London Heathrow.Price includes taxes and charges.From $1,087, select.
Las Vegas.$1,102 per passenger.Departing Tue, 11 Nov, returning Tue, 18 Nov.Return flight with Scandinavian Airlines and Spirit Airlines.Outbound indirect flight with Scandinavian Airlines, departs from London Heathrow on Tue, 11 Nov, arriving in Las Vegas Harry Reid International.Inbound indirect flight with Spirit Airlines, departs from Las Vegas Harry Reid International on Tue, 18 Nov, arriving in London Heathrow.Price includes taxes and charges.From $1,102, select.
Las Vegas.$1,115 per passenger.Departing Fri, 30 May, returning Fri, 6 Jun.Return flight with Scandinavian Airlines and Lufthansa.Outbound indirect flight with Scandinavian Airlines, departs from London Heathrow on Fri, 30 May, arriving in Las Vegas Harry Reid International.Inbound indirect flight with Lufthansa, departs from Las Vegas Harry Reid International on Fri, 6 Jun, arriving in London Heathrow.Price includes taxes and charges.From $1,115, select.
Las Vegas.$1,137 per passenger.Departing Thu, 25 Sep, returning Mon, 29 Sep.Return flight with Lufthansa and Air Canada.Outbound indirect flight with Lufthansa, departs from London Heathrow on Thu, 25 Sep, arriving in Las Vegas Harry Reid International.Inbound indirect flight with Air Canada, departs from Las Vegas Harry Reid International on Mon, 29 Sep, arriving in London Heathrow.Price includes taxes and charges.From $1,137, select.
Las Vegas.$1,169 per passenger.Departing Sun, 31 Aug, returning Tue, 16 Sep.Return flight with Brussels Airlines.Outbound indirect flight with Brussels Airlines, departs from London Heathrow on Sun, 31 Aug, arriving in Las Vegas Harry Reid International.Inbound indirect flight with Brussels Airlines, departs from Las Vegas Harry Reid International on Tue, 16 Sep, arriving in London Heathrow.Price includes taxes and charges.From $1,169, select.

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 May.
Apr
from $1,200
May
from $948
Jun
from $1,238
Jul
from $1,178
Aug
from $1,424
Sep
from $1,137
Oct
from $1,417
Nov
from $1,102
Dec
from $1,300
Jan
from $1,274
Feb
from $1,270
Mar
from $1,039

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$948
Cheapest month to flyMay
Average flight time10 hrs, 43 mins
Most popular airlineKLM
Average flights per week76

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

There are 4 airports in Las Vegas: Las Vegas North Air Terminal, Las Vegas Harry Reid International, Las Vegas Henderson Sky Harbor, and Boulder City.
The best price we found for a return flight from London Heathrow to Las Vegas is $951. 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 43 minutes is the average flight time from London Heathrow to Las Vegas.
KLM, Aer Lingus and British Airways fly direct from London Heathrow to Las Vegas.
As of April 2025, there are 76 flights per week flying from London Heathrow to Las Vegas.
The cheapest month to fly from London Heathrow to Las Vegas is usually April 2025.
If you're flying from London Heathrow Airport, the cheapest airport near Las Vegas is Las Vegas Harry Reid International – which is 4.3 km away from the centre of Las Vegas. We've found flights into this airport from $951.
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 Thursday, 8 May 2025.
Yes – the average flight time is 10 hours and 43 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 April, the average temperature is usually around 15°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 Iberia 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 travelling for 10 hours 18 minutes. That's the average duration of a direct flight from London Heathrow Airport to Las Vegas.

  • Las Vegas is 7 hours behind London, where London Heathrow Airport is located. Las Vegas operates on the UTC-7 timezone.

  • London Heathrow Airport (LHR) to Harry Reid Airport (formerly McCarran Airport) Airport (LAS) is the most popular route, with 20 flights a week to choose from. If you have things to do before heading off, the last flight from LHR to LAS is with British Airways at 17:15. Go for the first departure operated by Virgin Atlantic at 14:00 if you want to fly out earlier.

  • To ensure you get on your flight from LHR to Las Vegas, allow plenty of time to check in and drop off your luggage. Arriving two hours before international departures and an hour before domestic flights is the general rule.

  • During popular months such as July, it's wise to get to the airport earlier than normal. Arrive two hours before a domestic departure and four hours ahead for international flights when you fly during a peak period in general.

  • You can reserve a direct flight from London Heathrow Airport to Las Vegas. Start your trip at LHR and land at Harry Reid Airport (formerly McCarran Airport) Airport (LAS).

  • Book your seat with Virgin Atlantic. This popular carrier operates direct flights from London Heathrow Airport to Las Vegas.

  • Consider adding a stopover to potentially find a cheaper flight from LHR to Las Vegas. Just deselect 'Direct flights only' when browsing the departures. Take a break (and maybe save some cash) by stopping at one of these popular airports:

    • Dublin Airport (DUB)

    • Denver International Airport (DEN)

    • Salt Lake City International Airport (SLC)

  • If you have a passport from United Kingdom, you'll need an ETA to visit United States. This applies if you're booking a cheap ticket from London Heathrow Airport to Las Vegas for tourism purposes. Requirements may be different if you're travelling for business or other reasons. Always check the visa rules before you book and certainly before flying.

  • Travelling from central London to LHR takes about 1 hour and 1 minute on public transport. If you drive, ride-share or grab a cab, you'll cover the 31 kilometres in 57 minutes or so, depending on traffic.

  • After a relaxed start to your holiday? Stay near LHR. Whether you're boarding an early flight from London Heathrow Airport to Las Vegas or want to avoid feeling rushed, these hotels are the answer:

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

  • The lowest price we've found for a one-way ticket from London Heathrow Airport to Las Vegas is $525. The cheapest price for a return flight is $948. Bear in mind fares may change due to demand at the time of booking.

  • Book 9 months before you want to travel. After looking at the numbers on our calendar, this is how far you should book ahead to find cheap tickets from LHR to Las Vegas.

  • Plan your trip for May. That's the cheapest month for tickets from London Heathrow Airport to Las Vegas. If you're flexible with your travel dates, use the 'Whole month' tool to find the cheapest price across every month.

  • Sign into your online account or use the app to create a Price Alert. We'll notify you right away if there's a cheaper deal on this route. It doesn't take long, and it'll save you time searching for flight tickets from LHR to Las Vegas every day.

  • Take advantage of the filters to find your ideal trip. To see the 'Fastest,' 'Best' or 'Cheapest' flights from London Heathrow Airport to Las Vegas, use the 'Sort by' function. You can also filter by airline, departure and arrival times, and journey duration.

Airports in Las Vegas

Harry Reid Airport (formerly McCarran Airport) Airport (LAS)

  • Harry Reid Airport (formerly McCarran Airport) Airport (LAS) is around 19 kilometres from central Las Vegas. With your own car rental or in a cab, the drive is around 15 minutes.

  • It'll take around 1 hour if you're travelling on public transport.

  • Consider booking a hotel near LAS if you're catching a late flight from London Heathrow Airport to Las Vegas. Check in to one of these options and skip the long transfer:

Best time to go to Las Vegas

  • October is the busiest month for flights from London Heathrow Airport to Las Vegas. To skip the crowds, plan your trip to Las Vegas in May when things are quieter.

  • Before locking in your flight from London Heathrow Airport to Las Vegas, think about the type of weather you enjoy. July is the warmest month in Las Vegas, with temperatures ranging from 23ºC to 42ºC.

  • Look for cheap flights from LHR to Las Vegas in January if you like travelling in cooler conditions. Temperatures are at their lowest then, ranging between -1ºC and 13ºC on average.

More about Las Vegas

  • After booking your flight from London Heathrow Airport to Las Vegas, think about where you want to stay in this city. Make one of these options your base for exploring Las Vegas:

  • There are so many things to discover in this city it can be hard to know where to start. Las Vegas Strip, Fountains of Bellagio and Fremont Street Experience are top sights which should feature on every Las Vegas itinerary.

Complete your Las Vegas trip with a car rental

  • Select one of our car rentals in Las Vegas and explore the city at your leisure. Easily compare companies in one go to find your perfect ride once you've booked your hotel and cheap flights from London Heathrow Airport to Las Vegas.

Plan the rest of your trip from London to Las Vegas

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