Cheap flights from London to Las Vegas from £256
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 15/11. Fares are subject to change and may not be available on all flights or dates of travel.
Cheapflights Tip: The best prices from London to Las Vegas Harry Reid Intl are usually found in February or January, booked 22 days in advance, depart on a Tuesday or Thursday and return on a Thursday
Cheap flight deals from London to Las Vegas
Discover tips and strategies to find the most affordable flight options for your journey from London (LON) to Las Vegas (LAS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 11 July 2025.
Round-trip from | £532 |
---|---|
One-way from | £256 |
Popular in | August |
Cheapest in | February |
Average price | £745 |
Good round-trip deal | £591 or less |
Good one-way deal | £695 or less |
Find flight deals from London to Las Vegas
Cheapest flights from London to Las VegasExplore the most affordable flight options available from London to Las Vegas. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 July 2025.
Explore the most affordable flight options available from London to Las Vegas. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 July 2025.
Cheapflights Fare Finder
Customise your flight search to find flights from London to Las Vegas that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 11 July 2025.
Use the filters below to find and compare flights from London to Las Vegas that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
LondonLas Vegas
LHR - LAS
LHRLAS
London Heathrow
Fri 19/9
08:15-22:28
2 stops46h 13m
Las Vegas Harry Reid Intl
Mon 6/10
23:59-20:45
1 stop12h 46m
LondonLas Vegas
LHR - LAS
LHRLAS
London Heathrow
Sat 9/8
09:45-20:31
1 stop18h 46m
Las Vegas Harry Reid Intl
Tue 19/8
08:54-11:05
1 stop18h 11m
LondonLas Vegas
LHR - LAS
LHRLAS
London Heathrow
Mon 15/9
08:15-21:12
1 stop20h 57m
Las Vegas Harry Reid Intl
Sat 27/9
07:00-09:30
1 stop18h 30m
LondonLas Vegas
LGW - LAS
LGWLAS
London Gatwick
Mon 10/11
21:40-21:53
2 stops32h 13m
Las Vegas Harry Reid Intl
Sat 22/11
18:09-06:00
2 stops27h 51m
LondonLas Vegas
LGW - LAS
LGWLAS
London Gatwick
Tue 2/9
12:10-20:11
1 stop16h 01m
Las Vegas Harry Reid Intl
Sun 14/9
20:49-09:35
1 stop28h 46m
LondonLas Vegas
LHR - LAS
LHRLAS
London Heathrow
Mon 8/9
15:50-22:13
1 stop14h 23m
Las Vegas Harry Reid Intl
Tue 30/9
12:05-08:35
1 stop12h 30m
LondonLas Vegas
STN - LAS
STNLAS
London Stansted
Thu 2/10
06:50-22:13
2 stops23h 23m
Las Vegas Harry Reid Intl
Thu 9/10
12:35-22:25
2 stops25h 50m
LondonLas Vegas
LCY - LAS
LCYLAS
London City
Thu 28/8
09:25-21:28
2 stops20h 03m
Las Vegas Harry Reid Intl
Thu 11/9
12:01-18:35
2 stops22h 34m
LondonLas Vegas
LHR - LAS
LHRLAS
London Heathrow
Fri 19/9
09:30-16:20
1 stop14h 50m
Las Vegas Harry Reid Intl
Tue 30/9
23:45-20:40
1 stop12h 55m
LondonLas Vegas
LTN - LAS
LTNLAS
London Luton
Thu 2/10
08:10-22:13
2 stops22h 03m
Las Vegas Harry Reid Intl
Sun 12/10
07:25-19:25
3 stops28h 00m
Best time to book a flight from London to Las Vegas
Have a flexible travel schedule? Discover the best time to fly to Las Vegas from London with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from London to Las Vegas
How far ahead should I book a flight from London to Las Vegas?
Use this chart to determine the optimal time to book a return flight from London to Las Vegas. Price data was last updated on 27 June 2025.
The price you pay for your flight from London to Las Vegas may vary depending on when you book. For the best chance of a lower fare, look to book 22 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
What is the cheapest month to book a flight from London to Las Vegas?
Currently, January is the cheapest month in which you can book a flight from London to Las Vegas (average of £689). Flying from London to Las Vegas in July is currently the most expensive (average of £1,020). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from LON to LAS?
Find hourly flight availability from London to Las Vegas. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 11 July 2025.
One of the essential ways to save on airfare from London to Las Vegas is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight in the morning could potentially save you up to 32% on airfare.
What is the cheapest day to fly from London to Las Vegas?
Use this chart to determine the cheapest time to fly return from London to Las Vegas. Price data was last updated on 16 December 2024.
Travellers seeking maximum savings on their London to Las Vegas flight should consider departing on Thursday evenings when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
Weekly flight availability from London to Las Vegas
Explore weekly flight availability from London to Las Vegas. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 11 July 2025.
The most flights from LON to LAS are scheduled on a Tuesday (14 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (5 on average).
How much does it cost for a return flight from London to Las Vegas?
Reviews of airlines servicing Las Vegas
Get insights into the airlines that provide service to Las Vegas. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Las Vegas. Reviews last updated 11 July 2025.
Get a feel of what it's like to fly with Air Transat, Finnair, andSWISS from London to Las Vegas by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
Boarding
Overall
Food
Comfort
Entertainment
Reviews
Liam,Jun 2025
GLA - YYZ
Crew
Boarding
Overall
Food
Comfort
Entertainment
Reviews
Liam,Jun 2025
GLA - YYZ
Crew
Boarding
Overall
Food
Comfort
Entertainment
Reviews
Liam,Jun 2025
GLA - YYZ
Crew
Boarding
Overall
Food
Comfort
Entertainment
Reviews
Liam,Jun 2025
GLA - YYZ
Crew
Boarding
Overall
Food
Comfort
Entertainment
Reviews
Liam,Jun 2025
GLA - YYZ
Crew
Boarding
Overall
Food
Comfort
Entertainment
Reviews
Liam,Jun 2025
GLA - YYZ
Related info for your journey
Find useful and relevant information for your journey from London to Las Vegas. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Fly from London to Las Vegas on these airlines
Choose from the following airlines for your flight from London to Las Vegas. Flights are based on user searches made on Cheapflights and were last updated on 11 July 2025.
Top 10 airlines flying from London to Las Vegas
Discover the top 10 airlines that operate flights from London to Las Vegas. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 11 July 2025.
Fly with Cheapflights
Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.
How does Cheapflights help users find flights from London to Las Vegas?
Deals for London to Las Vegas flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.
Why should you use Cheapflights to find cheap flight tickets from London to Las Vegas?
Cheapflights helps you find that perfect flight to Las Vegas from London by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!
Can Cheapflights find flights from London to Las Vegas with no change fees?
Certainly. Search results for flights to Las Vegas from London shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.
Can Cheapflights notify me if prices for flights from London to Las Vegas become cheaper?
Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Las Vegas from London today and book when prices fit your budget.