Cheap flights from London Heathrow Airport to Las Vegas from £279
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 29/8. Fares are subject to change and may not be available on all flights or dates of travel.
Cheapflights Tip: The best prices from London Heathrow to Las Vegas Harry Reid Intl are usually found in February or January, booked 53 days in advance, depart on a Tuesday or Wednesday and return on a Thursday
Cheap flight deals from Heathrow to Las Vegas
Discover tips and strategies to find the most affordable flight options for your journey from Heathrow (LHR) 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 4 July 2025.
Round-trip from | £532 |
---|---|
One-way from | £279 |
Popular in | August |
Cheapest in | February |
Average price | £748 |
Good round-trip deal | £586 or less |
Good one-way deal | £675 or less |
Find flight deals from Heathrow to Las Vegas
Cheapest flights from Heathrow to Las VegasExplore the most affordable flight options available from Heathrow to Las Vegas. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 4 July 2025.
Explore the most affordable flight options available from Heathrow to Las Vegas. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 4 July 2025.
Cheapflights Fare Finder
Customise your flight search to find flights from Heathrow 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 4 July 2025.
Use the filters below to find and compare flights from London Heathrow Airport to Las Vegas that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
LondonLas Vegas
LHR - LAS
LHRLAS
London Heathrow
Sat 6/9
06:30-20:24
2 stops21h 54m
Las Vegas Harry Reid Intl
Sat 13/9
18:28-07:25
1 stop28h 57m
LondonLas Vegas
LHR - LAS
LHRLAS
London Heathrow
Mon 25/8
14:20-21:28
1 stop15h 08m
Las Vegas Harry Reid Intl
Wed 10/9
13:38-14:35
1 stop16h 57m
LondonLas Vegas
LHR - LAS
LHRLAS
London Heathrow
Tue 16/9
08:15-21:12
1 stop20h 57m
Las Vegas Harry Reid Intl
Mon 29/9
23:59-20:45
1 stop12h 46m
LondonLas Vegas
LHR - LAS
LHRLAS
London Heathrow
Wed 17/9
08:15-21:12
1 stop20h 57m
Las Vegas Harry Reid Intl
Wed 24/9
23:07-20:45
2 stops37h 38m
LondonLas Vegas
LHR - LAS
LHRLAS
London Heathrow
Mon 25/8
09:30-10:40
1 stop33h 10m
Las Vegas Harry Reid Intl
Wed 10/9
11:25-09:35
1 stop14h 10m
LondonLas Vegas
LHR - LAS
LHRLAS
London Heathrow
Wed 8/10
09:55-21:55
2 stops20h 00m
Las Vegas Harry Reid Intl
Sat 11/10
09:25-08:50
1 stop15h 25m
LondonLas Vegas
LHR - LAS
LHRLAS
London Heathrow
Fri 12/9
20:05-16:35
1 stop28h 30m
Las Vegas Harry Reid Intl
Mon 29/9
19:05-19:20
1 stop16h 15m
LondonLas Vegas
LHR - LAS
LHRLAS
London Heathrow
Fri 29/8
15:05-09:18
2 stops26h 13m
LondonLas Vegas
LHR - LAS
LHRLAS
London Heathrow
Wed 3/12
14:50-20:19
2 stops37h 29m
LondonLas Vegas
LHR - LAS
LHRLAS
London Heathrow
Thu 11/9
11:55-21:12
1 stop17h 17m
Best time to book a flight from Heathrow to Las Vegas
Have a flexible travel schedule? Discover the best time to fly to Las Vegas from Heathrow with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from London Heathrow Airport to Las Vegas
How far ahead should I book a flight from London Heathrow Airport to Las Vegas?
Use this chart to determine the optimal time to book a return flight from Heathrow to Las Vegas. Price data was last updated on 27 June 2025.
The best time to book flights from London Heathrow Airport to Las Vegas is 53 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
What is the cheapest month to book a flight from London Heathrow Airport to Las Vegas?
Currently, January is the cheapest month in which you can book a flight from London Heathrow Airport to Las Vegas (average of £689). Flying from London Heathrow Airport 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 LHR to LAS?
Find hourly flight availability from Heathrow 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 4 July 2025.
When flying from London Heathrow Airport to Las Vegas, the time of day you fly usually plays a role in the price. Save by searching for a flight at midday, which can drop the price by up to 10% versus a flight in the afternoon.
What is the cheapest day to fly from London Heathrow Airport to Las Vegas?
Use this chart to determine the cheapest time to fly return from Heathrow to Las Vegas. Price data was last updated on 29 June 2025.
Travellers seeking maximum savings on their London Heathrow Airport to Las Vegas flight should consider departing on Monday 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 Heathrow Airport to Las Vegas
Explore weekly flight availability from Heathrow 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 4 July 2025.
The most flights from LHR to LAS are scheduled on a Monday (9 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (5 on average).
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 4 July 2025.
Check out reviews from past customers who have flown with SWISS, JetBlue, andWestJet from London Heathrow Airport to Las Vegas to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
Boarding
Overall
Crew
Entertainment
Food
Reviews
Ruth,Aug 2024
IAD - ZRH
Comfort
Boarding
Overall
Crew
Entertainment
Food
Reviews
Ruth,Aug 2024
IAD - ZRH
Comfort
Boarding
Overall
Crew
Entertainment
Food
Reviews
Ruth,Aug 2024
IAD - ZRH
Comfort
Boarding
Overall
Crew
Entertainment
Food
Reviews
Ruth,Aug 2024
IAD - ZRH
Comfort
Boarding
Overall
Crew
Entertainment
Food
Reviews
Ruth,Aug 2024
IAD - ZRH
Comfort
Boarding
Overall
Crew
Entertainment
Food
Reviews
Ruth,Aug 2024
IAD - ZRH
Related info for your journey
Find useful and relevant information for your journey from Heathrow to Las Vegas. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Travelling to a place near London Heathrow Airport?
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Fly from Heathrow to Las Vegas on these airlines
Choose from the following airlines for your flight from Heathrow to Las Vegas. Flights are based on user searches made on Cheapflights and were last updated on 4 July 2025.
Top 10 airlines flying from Heathrow to Las Vegas
Discover the top 10 airlines that operate flights from Heathrow 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 4 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 Heathrow to Las Vegas?
Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Heathrow to Las Vegas. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.
Why should you use Cheapflights to find cheap flight tickets from Heathrow to Las Vegas?
Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Heathrow to Las Vegas for you. Better yet — we are completely free to use.
Can Cheapflights find flights from Heathrow to Las Vegas with no change fees?
Yes! Cheapflights helps users easily find flights from Heathrow to Las Vegas with no change fees.
Can Cheapflights notify me if prices for flights from Heathrow to Las Vegas become cheaper?
Yes! Start tracking prices for Heathrow to Las Vegas flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.