€451 Cheap Flights London to Las Vegas (LHR-LAS)

View €451 flight on Mon, 29 Sep 2025Opens in a new window

Popular airlines from Heathrow Airport (LHR) to Harry Reid Intl. Airport (LAS)

  • Plan, book, fly with confidence

  • trending down icon

    Be in the know

    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon

    Book smarter

    Save up to 15% on select hotels after you book a flight*
  • payments icon

    Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Cheap flights from London to Las Vegas (LHR-LAS)

Prices were available within the past 7 days and start at €451 for one-way flights and €611 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

JetBlue Airways
Tue, 28 Oct - Tue, 4 Nov
LHR
London
LAS
Las Vegas
€611 Return, found 6 days ago
€611
Return
found 6 days ago
Select JetBlue Airways flight, departing Tue, 28 Oct from London to Las Vegas, returning Tue, 4 Nov, priced at €611 found 6 days ago
Air Canada
Tue, 28 Oct - Tue, 4 Nov
LHR
London
LAS
Las Vegas
€624 Return, found 6 days ago
€624
Return
found 6 days ago
Select Air Canada flight, departing Tue, 28 Oct from London to Las Vegas, returning Tue, 4 Nov, priced at €624 found 6 days ago
Air Canada
Tue, 13 Jan - Tue, 20 Jan
LHR
London
LAS
Las Vegas
€627 Return, found 5 days ago
€627
Return
found 5 days ago
Select Air Canada flight, departing Tue, 13 Jan from London to Las Vegas, returning Tue, 20 Jan, priced at €627 found 5 days ago
Aer Lingus
Tue, 13 Jan - Tue, 20 Jan
LHR
London
LAS
Las Vegas
€643 Return, found 5 days ago
€643
Return
found 5 days ago
Select Aer Lingus flight, departing Tue, 13 Jan from London to Las Vegas, returning Tue, 20 Jan, priced at €643 found 5 days ago
Lufthansa
Wed, 4 Feb - Wed, 11 Feb
LHR
London
LAS
Las Vegas
€652 Return, found 6 days ago
€652
Return
found 6 days ago
Select Lufthansa flight, departing Wed, 4 Feb from London to Las Vegas, returning Wed, 11 Feb, priced at €652 found 6 days ago
Swiss International Air Lines
Fri, 19 Sep - Thu, 2 Oct
LHR
London
LAS
Las Vegas
€661 Return, found 5 days ago
€661
Return
found 5 days ago
Select Swiss International Air Lines flight, departing Fri, 19 Sep from London to Las Vegas, returning Thu, 2 Oct, priced at €661 found 5 days ago
British Airways
Wed, 4 Feb - Wed, 11 Feb
LHR
London
LAS
Las Vegas
€669 Return, found 6 days ago
€669
Return
found 6 days ago
Select British Airways flight, departing Wed, 4 Feb from London to Las Vegas, returning Wed, 11 Feb, priced at €669 found 6 days ago
British Airways
Wed, 4 Feb - Wed, 11 Feb
LHR
London
LAS
Las Vegas
€680 Return, found 6 days ago
€680
Return
found 6 days ago
Select British Airways flight, departing Wed, 4 Feb from London to Las Vegas, returning Wed, 11 Feb, priced at €680 found 6 days ago
Brussels Airlines
Sat, 13 Sep - Sat, 20 Sep
LHR
London
LAS
Las Vegas
€682 Return, found 5 days ago
€682
Return
found 5 days ago
Select Brussels Airlines flight, departing Sat, 13 Sep from London to Las Vegas, returning Sat, 20 Sep, priced at €682 found 5 days ago
Austrian Airlines
Wed, 8 Oct - Sun, 12 Oct
LHR
London
LAS
Las Vegas
€682 Return, found 5 days ago
€682
Return
found 5 days ago
Select Austrian Airlines flight, departing Wed, 8 Oct from London to Las Vegas, returning Sun, 12 Oct, priced at €682 found 5 days ago

Find the cheapest month to fly from London (LHR) to Las Vegas (LAS)

February is typically the cheapest month to fly

From €470 - €728 per traveller.

Graph displaying average flight prices per month

London to Las Vegas route information
Origin airport
Heathrow
Destination airport
Harry Reid Intl.
Airlines serving
Aer Lingus, Air Canada, Air France, American Airlines, Austrian Airlines, British Airways, Brussels Airlines, Delta, Finnair, Iberia, Icelandair, JetBlue Airways, KLM, Lufthansa, Swiss International Air Lines, United, Virgin Atlantic, WestJet
Return price
€610
Distance
8345 km
Average flight time
2 hours 42 mins

Perfect flights from London to Las Vegas

Embark on an unforgettable journey without breaking the bank with Expedia's incredible deals on cheap flights from London to Las Vegas. Whether you're aching for a romantic escape with your partner, craving an adventurous solo expedition, or yearning to immerse yourself in the local history and culture, we've got you covered.
 
Picture yourself strolling through the streets of Las Vegas, surrounded by breathtaking architecture and absorbing the vibrant atmosphere of this captivating city. Indulge in the mouth-watering local specialties, from tantalizing street food to exquisite fine dining. With Expedia, you can experience all of this and more, without sacrificing your budget.
 
Our flexible Heathrow to Harry Reid Intl. ticket options cater to your travel preferences, with incredible one-way fares from €451 and roundtrip prices from €611. Whether you're planning a short city break or a longer adventure, our dynamic pricing ensures that you find the best deals for your journey.
 
But the magic doesn't stop there. Expedia offers a range of partner services to enhance your trip. Rent a car at Harry Reid Intl. and explore Las Vegas and its surrounding areas at your own pace. Discover hidden gems off the beaten path, and create unforgettable memories. We also provide a handpicked selection of accommodations, from charming bed and breakfasts to luxury hotels, ensuring that you have a comfortable and memorable stay.
 
Planning your next great adventure is a breeze with Expedia. Our user-friendly platform, unbeatable prices, and round-the-clock customer support are designed to make your travel experience seamless and stress-free. So, why wait? Book your LHR to LAS travel arrangements today and embark on the journey of a lifetime in Las Vegas.

Frequently asked questions

How much is a flight from Heathrow Airport to LAS?
If you're planning on travelling from LHR to LAS, round-trip flights start from €611. This figure is based on airfares listed within the last 7 days on Expedia for flights departing within the next year, so don't wait around. Book today and save yourself money and time. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Heathrow Airport (LHR) to LAS?
Every air carrier has its own terms and conditions. If you decide to cancel your holiday, visit our Customer Service Portal.
How do I find cheap flights from Heathrow Airport (LHR) to Harry Reid Airport (formerly McCarran Airport) that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Heathrow Airport to LAS flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Heathrow Airport to Harry Reid Airport (formerly McCarran Airport)?
The distance is around 8,400 kilometres. Sleep mask? Check. Noise-cancelling headphones? Check. You'd be wise to pack all the travel comforts for this long-haul Hounslow to Las Vegas flight.
Which airlines fly direct from LHR to Harry Reid Airport (formerly McCarran Airport)?
Many savvy travellers choose to fly with Virgin Atlantic (VS) from Heathrow Airport (LHR) to Harry Reid Airport (formerly McCarran Airport). This popular airline offers 30 monthly flights, so you can easily find a flight time that works for you. Love some more options? Check out the airfares with British Airways (BA). This carrier offers 30 flights a month between these destinations.
Are Heathrow Airport (LHR) to Harry Reid Airport (formerly McCarran Airport) flight tickets cheaper when they're purchased at the last minute?
Booking your trip from LHR to Harry Reid Airport (formerly McCarran Airport) last minute could be your ticket to a fantastic deal. However, it could end up costing a good deal more! If you'd prefer not to take the risk, book well ahead of your departure date. In fact, Expedia has some of the best bargains up to 12 months in advance. If your preferred carrier hasn't released tickets yet, check back often as deals are updated on Expedia all the time.

Explore a world of travel with Expedia

*Available to Expedia members.