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Cheap Flights from London (LHR) to Las Vegas (LASA)

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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.$752 per passenger.Departing Tue, 2 Sep, returning Tue, 9 Sep.Return flight with Austrian Airlines.Outbound indirect flight with Austrian Airlines, departs from London Heathrow on Tue, 2 Sep, arriving in Las Vegas Harry Reid International.Inbound indirect flight with Austrian Airlines, departs from Las Vegas Harry Reid International on Tue, 9 Sep, arriving in London Heathrow.Price includes taxes and charges.From $752, select.
Las Vegas.$898 per passenger.Departing Mon, 25 Aug, returning Mon, 8 Sep.Return flight with Austrian Airlines.Outbound indirect flight with Austrian Airlines, departs from London Heathrow on Mon, 25 Aug, arriving in Las Vegas Harry Reid International.Inbound indirect flight with Austrian Airlines, departs from Las Vegas Harry Reid International on Mon, 8 Sep, arriving in London Heathrow.Price includes taxes and charges.From $898, select.
Las Vegas.$972 per passenger.Departing Thu, 2 Oct, returning Sun, 5 Oct.Return flight with Scandinavian Airlines and Spirit Airlines.Outbound indirect flight with Scandinavian Airlines, departs from London Heathrow on Thu, 2 Oct, arriving in Las Vegas Harry Reid International.Inbound indirect flight with Spirit Airlines, departs from Las Vegas Harry Reid International on Sun, 5 Oct, arriving in London Heathrow.Price includes taxes and charges.From $972, select.
Las Vegas.$1,003 per passenger.Departing Sun, 7 Dec, returning Thu, 11 Dec.Return flight with Brussels Airlines.Outbound indirect flight with Brussels Airlines, departs from London Heathrow on Sun, 7 Dec, arriving in Las Vegas Harry Reid International.Inbound indirect flight with Brussels Airlines, departs from Las Vegas Harry Reid International on Thu, 11 Dec, arriving in London Heathrow.Price includes taxes and charges.From $1,003, select.
Las Vegas.$1,007 per passenger.Departing Mon, 4 Aug, returning Sat, 9 Aug.Return flight with SWISS and Spirit Airlines.Outbound indirect flight with SWISS, departs from London Heathrow on Mon, 4 Aug, arriving in Las Vegas Harry Reid International.Inbound indirect flight with Spirit Airlines, departs from Las Vegas Harry Reid International on Sat, 9 Aug, arriving in London Heathrow.Price includes taxes and charges.From $1,007, select.
Las Vegas.$1,040 per passenger.Departing Tue, 1 Jul, returning Thu, 10 Jul.Return flight with Virgin Atlantic and Spirit Airlines.Outbound indirect flight with Virgin Atlantic, departs from London Heathrow on Tue, 1 Jul, arriving in Las Vegas Harry Reid International.Inbound indirect flight with Spirit Airlines, departs from Las Vegas Harry Reid International on Thu, 10 Jul, arriving in London Heathrow.Price includes taxes and charges.From $1,040, select.
Las Vegas.$1,048 per passenger.Departing Tue, 10 Feb, returning Thu, 19 Feb.Return flight with Aer Lingus.Outbound indirect flight with Aer Lingus, departs from London Heathrow on Tue, 10 Feb, arriving in Las Vegas Harry Reid International.Inbound indirect flight with Aer Lingus, departs from Las Vegas Harry Reid International on Thu, 19 Feb, arriving in London Heathrow.Price includes taxes and charges.From $1,048, select.
Las Vegas.$1,048 per passenger.Departing Tue, 10 Mar, returning Thu, 19 Mar.Return flight with Aer Lingus.Outbound indirect flight with Aer Lingus, departs from London Heathrow on Tue, 10 Mar, arriving in Las Vegas Harry Reid International.Inbound indirect flight with Aer Lingus, departs from Las Vegas Harry Reid International on Thu, 19 Mar, arriving in London Heathrow.Price includes taxes and charges.From $1,048, select.

The cheapest month to fly from London Heathrow Airport to Las Vegas

We’re always keeping an eye on fares, to help you find the lowest one in seconds. Check out the London Heathrow Airport to Las Vegas flight prices forecast over the next 12 months.
Jun
from $1,256
Jul
from $1,040
Aug
from $1,008
Sep
from $752
Oct
from $972
Nov
from $1,057
Dec
from $1,003
Jan
from $1,049
Feb
from $1,048
Mar
from $1,048
Apr
from $1,088
May
from $1,062
Cheapest month:September
Most expensive month:June

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$752
Cheapest month to flySeptember
Average flight time10 hrs, 46 mins
Most popular airlineAmerican Airlines
Average flights per week68

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 $752. 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 Heathrow to Las Vegas.
American Airlines, KLM and British Airways fly direct from London Heathrow to Las Vegas.
As of June 2025, there are 68 flights per week flying from London Heathrow to Las Vegas.
The cheapest month to fly from London Heathrow to Las Vegas is usually June 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 $752.
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 Tuesday, 2 September 2025.
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 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, Austrian Airlines 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 travelling for 10 hours. On average, that's the time it takes for a direct flight from London Heathrow Airport to Las Vegas.

  • London Heathrow Airport is located in London. Based in the UTC-7 timezone, Las Vegas is seven hours behind London.

  • With 15 flights a week between the two airports, London Heathrow Airport (LHR) to Harry Reid Airport (formerly McCarran Airport) (LAS) is the busiest route. British Airways operates the earliest flight at 12:15. If you're eager to get more out of your day before leaving, the latest departure from LHR to LAS is with British Airways at 17:30.

  • To avoid rushing for your LHR to Las Vegas flight, allow plenty of time to navigate the airport and find your gate. Arriving two hours ahead of international departures and an hour before domestic flights is the general rule.

  • Delays at check-in and security are more likely if you're heading away during high season, so allow some extra breathing room. A good rule for peak times? Get there up to four hours early for international flights and at least two hours for domestic departures.

  • Direct London Heathrow Airport to Las Vegas tickets are available for booking. Harry Reid Airport (formerly McCarran Airport) (LAS) is where you'll arrive.

  • Look out for promotions from British Airways. This airline has direct flights from London Heathrow Airport to Las Vegas.

  • A stopover is the perfect opportunity to break up your trip and maybe even tick a new city off your list. When searching for flight tickets from LHR to Las Vegas, uncheck the 'Direct flights only' box to see where you can visit along the way. Top options include:

    • Denver International Airport (DEN)

    • Phoenix Sky Harbour International Airport (PHX)

    • Dublin Airport (DUB)

  • The journey from central London to LHR takes around 1 hour by public transport. If you drive, ride-share or grab a cab, you'll cover the 26 kilometres in 55 minutes or so, depending on traffic.

  • Want a relaxed start to your journey? Stay near LHR. Whether you're taking an early flight from London Heathrow Airport to Las Vegas or don't want departure day to feel hectic, these hotels put convenience first:

  • 68.18% of flights leaving from London Heathrow Airport land at their destination on schedule.

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

  • The lowest price we've seen for a one-way London Heathrow Airport to Las Vegas flight is $487. The cheapest price for a return flight is $752. Keep in mind fares may change due to demand at the time of booking.

  • To snag cheap flights from LHR to Las Vegas, book your journey one month ahead of your departure date.

  • Schedule your trip for May. That's the best month for landing a bargain on London Heathrow Airport to Las Vegas tickets. If you're open to different travel dates, use the 'Whole month' tool to find the cheapest price across every month.

  • Spend less time searching for cheap flights from LHR to Las Vegas by creating a Price Alert. You'll get an email or notification on the app when a special offer becomes available.

  • Select your preferred arrival and departure times, number of stops and airlines with our filters. Then, sort the results for your flight from London Heathrow Airport to Las Vegas by 'Fastest,' 'Best' or 'Cheapest.'

Airports 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 roughly 19 kilometres. It takes about 15 minutes to get to the centre driving.

  • When travelling by public transport, expect a journey time of around 1 hour.

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

  • Grab a Harry Reid Airport (formerly McCarran Airport) rental car and discover Las Vegas and beyond with your own set of wheels. Dollar, Thrifty and Alamo are top providers you can book with here.

  • Lock in the lowest price by booking your vehicle from Harry Reid Airport (formerly McCarran Airport) about one week before your flight from LHR to Las Vegas.

  • LAS is located at 5757 Wayne Newton Boulevard.

Best time to go to Las Vegas

  • Travel to Las Vegas during peak season if you prefer a lively atmosphere, but remember that prices are usually higher. Alternatively, book your flights from London Heathrow Airport to Las Vegas during the off-season when prices are cheaper and it's less crowded.

  • The warmest month in Las Vegas is July, with temperatures ranging between 23ºC (73ºF) and 42ºC (108ºF). Lock in your London Heathrow Airport to Las Vegas flight ticket then if that's the weather you find most pleasant.

  • January has average temperatures of between -1ºC (30ºF) and 13ºC (55ºF). Search for a cheap ticket from LHR to Las Vegas around that time if you like cooler conditions.

More about Las Vegas

Explore more of United States

  • Las Vegas has plenty to offer, but there are so many other corners of United States you should also see. About 370 kilometres south-west of Las Vegas, a trip to Los Angeles will fill your itinerary to the brim. Start with leading attractions like Griffith Observatory, The Broad and La Brea Tar Pits & Museum.

  • Phoenix is another must-experience destination in United States and is around 418 kilometres south-east of Las Vegas. No journey is complete without experiencing Desert Botanical Garden, Heard Museum and Papago Park.

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.