Price observed over the last 3 months for a round trip.
Compare all flight tickets and find cheap flights from London to Las Vegas
The cheapest flights right now
London – Las Vegas
Outbound – Nov 23, 2026
1 stop
14h 15m SEA
Return – Dec 9, 2026
1 stop
14h 17m SEA
$643
yesterday
London – Las Vegas
Outbound – Dec 7, 2026
direct
10h 45m Return – Dec 22, 2026
direct
9h 55m $778
3 days ago
London – Las Vegas
Outbound – Dec 7, 2026
direct
10h 45m Return – Dec 22, 2026
direct
9h 55m $773
3 days ago
London – Las Vegas
Outbound – Nov 26, 2026
1 stop
15h 5m FRA
Return – Dec 12, 2026
1 stop
12h 1m DEN
$771
yesterday
* Prices are in USD per passenger, including taxes, for a round trip. Prices are based on searches carried out within the last 72 hours. Please note that availability and ticket prices are subject to change and should not be considered as the final price quoted.
Cheapest flight tickets
$576
Average price of a round trip
$646
Average flight ticket price recorded over the last 3 months for a round trip.
Flight duration
10h45
A flight from London to Las Vegas takes on average 10h45.
Best time
October
According to user searches, the ideal month to go to Las Vegas is October.
Tips for finding a cheap flight from London to Las Vegas
Check out our tips for booking your flight to Las Vegas (USA) from London (United Kingdom) at the cheapest possible price.
Usually, the cheapest month to pick up a ticket on this route is December, with an average flight ticket price of $622 (calculation over the last two years). The most touristic season corresponds to the months of October, November and September.
For the cheapest flights, it is advisable to buy your ticket at least 54 days before the departure date.
The airline offering the cheapest flight tickets is Icelandair. A ticket from the airline Icelandair to Las Vegas costs on average $640.
The airlines that offer the most flights are Air France, British Airways and KLM.
info departure city :
London, United Kingdom
airports :
London City Airport (LCY)
London Gatwick Airport (LGW)
London Heathrow Airport (LHR)
London Luton Airport (LTN)
London-Stansted Airport (STN)
local time :
London is a city in the country United Kingdom, the time zone is [[timezone]]. In London, it is currently {fromLocalTime}, the temperature is on average 11°C, with a minimum of 9°C and a maximum of 14°C.
The city of London (LON) has 5 airport(s): London City, London Gatwick, London Heathrow, London Luton and London-Stansted
destination info :
Las Vegas, USA
airports :
Las Vegas-McCarran International Airport (LAS)
North Las Vegas Airport (VGT)
Henderson Executive Airport (HSH)
Nellis AFB Air Force Base (LSV)
local time :
Las Vegas is in the country USA, the time zone is [[timezone]]. In Las Vegas, it is currently {toLocalTime}, the temperature is on average 21°C, with a minimum of 16°C and a maximum of 26°C.
The city of Las Vegas (LAS) has 4 airport(s): Las Vegas-McCarran, North Las Vegas, Henderson Executive and Nellis AFB
Useful info about Las Vegas
What is the least touristic period to go to Las Vegas?
If you want to visit Las Vegas during the least touristic period, choose the month of October.
What is the most popular time to travel to Las Vegas?
In Las Vegas, the most popular month is October. It is during this period that the prices offered by airlines are also the highest.
When should I book my flight from London to Las Vegas?
According to our data, it is recommended to book your flight 54 days before your departure. If you book your flight ticket 8 weeks before your departure, you may find a price below average. You can also choose morning flights that are 19% cheaper than afternoon and evening flights. The cheapest day to book a flight from London to Las Vegas is Thursday.
What are the arrival and destination airports when traveling between London and Las Vegas?
When you leave, you can leave from London City, London Gatwick, London Heathrow, London Luton or London-Stansted, and you will arrive at Las Vegas-McCarran.
How to reach London airport from the city centre?
The airport London City is located 16 km, London Gatwick is located 38 km, London Heathrow is located 35 km, London Luton is located 45 km or London-Stansted is located 49 km from the city centre. You can access it by using public transportation, taking a taxi, or renting a car.
Are there other means of transportation to go from London to Las Vegas?
Airplane is the only means of transportation listed on Liligo for this journey.
Are there big differences in weather between London and Las Vegas?
In summer, the average temperature is 32°C in Las Vegas and 18°C in London. The average rainfall in summer is 9 mm in Las Vegas and 63 mm in London. In summer, it is warmer in Las Vegas and it rains less in Las Vegas. In winter, it is colder in Las Vegas and it rains more in London.
