Cheap Flights from London (LHR) to Las Vegas (LAS) from HK$4,703~

View HK$4,703 flight on Mon, 3 Nov 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 35% on select hotels after you book a flight*
  • payments icon

    Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Find Cheap Flights from London (LHR) to Las Vegas (LAS)

Prices were available within the past 7 days and start at HK$4,703 for one-way flights and HK$6,185 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Sun, 21 Sep - Mon, 6 Oct
LHR
London
LAS
Las Vegas
HK$6,185 Return, found 1 day ago
HK$6,185
Return
found 1 day ago
Select United flight, departing Sun, 21 Sep from London to Las Vegas, returning Mon, 6 Oct, priced at HK$6,185 found 1 day ago
United
Sun, 21 Sep - Mon, 6 Oct
LHR
London
LAS
Las Vegas
HK$6,185 Return, found 1 day ago
HK$6,185
Return
found 1 day ago
Select United flight, departing Sun, 21 Sep from London to Las Vegas, returning Mon, 6 Oct, priced at HK$6,185 found 1 day ago
Air Canada
Mon, 3 Nov - Thu, 20 Nov
LHR
London
LAS
Las Vegas
HK$6,195 Return, found 3 days ago
HK$6,195
Return
found 3 days ago
Select Air Canada flight, departing Mon, 3 Nov from London to Las Vegas, returning Thu, 20 Nov, priced at HK$6,195 found 3 days ago
United
Sun, 21 Sep - Mon, 6 Oct
LHR
London
LAS
Las Vegas
HK$6,206 Return, found 1 day ago
HK$6,206
Return
found 1 day ago
Select United flight, departing Sun, 21 Sep from London to Las Vegas, returning Mon, 6 Oct, priced at HK$6,206 found 1 day ago
Air Canada
Thu, 18 Sep - Thu, 25 Sep
LHR
London
LAS
Las Vegas
HK$6,215 Return, found 2 days ago
HK$6,215
Return
found 2 days ago
Select Air Canada flight, departing Thu, 18 Sep from London to Las Vegas, returning Thu, 25 Sep, priced at HK$6,215 found 2 days ago
Air Canada
Thu, 19 Feb - Sun, 1 Mar
LHR
London
LAS
Las Vegas
HK$6,237 Return, found 12 hours ago
HK$6,237
Return
found 12 hours ago
Select Air Canada flight, departing Thu, 19 Feb from London to Las Vegas, returning Sun, 1 Mar, priced at HK$6,237 found 12 hours ago
Air Canada
Mon, 3 Nov - Thu, 20 Nov
LHR
London
LAS
Las Vegas
HK$6,247 Return, found 3 days ago
HK$6,247
Return
found 3 days ago
Select Air Canada flight, departing Mon, 3 Nov from London to Las Vegas, returning Thu, 20 Nov, priced at HK$6,247 found 3 days ago
Swiss International Air Lines
Thu, 18 Sep - Thu, 25 Sep
LHR
London
LAS
Las Vegas
HK$6,269 Return, found 2 days ago
HK$6,269
Return
found 2 days ago
Select Swiss International Air Lines flight, departing Thu, 18 Sep from London to Las Vegas, returning Thu, 25 Sep, priced at HK$6,269 found 2 days ago
Lufthansa
Sun, 21 Sep - Mon, 6 Oct
LHR
London
LAS
Las Vegas
HK$6,339 Return, found 1 day ago
HK$6,339
Return
found 1 day ago
Select Lufthansa flight, departing Sun, 21 Sep from London to Las Vegas, returning Mon, 6 Oct, priced at HK$6,339 found 1 day ago
American Airlines
Tue, 9 Sep - Tue, 16 Sep
LHR
London
LAS
Las Vegas
HK$6,375 Return, found 5 days ago
HK$6,375
Return
found 5 days ago
Select American Airlines flight, departing Tue, 9 Sep from London to Las Vegas, returning Tue, 16 Sep, priced at HK$6,375 found 5 days ago

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

January is typically the cheapest month to fly

From HK$4,262 - HK$8,511 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
Air Canada, Lufthansa, United
Return price
HK$6,185
Distance
8345 km
Average flight time
2 hours 42 mins

Flights from London to Las Vegas

Book cheap flights from London (LHR) to Las Vegas (LAS) on Expedia.com.hk. Find the best flight deals to destinations around the world for your next leisure or business travel on Expedia.com.hk.

Search for flights from London (LHR) to Las Vegas (LAS) to find great flight deals suitable to your travel date and time. Expedia.com.hk flight booking search engine is simple to use and looking for cheap flights is as easy as a click of a mouse or on your mobile devices.

Be assured that you’re seeing the best price guaranteed! Our friendly customer service representatives are here to serve you 24 hours day to provide assistance and answer any questions that you may have about booking your London (LHR) to Las Vegas (LAS) trip. Call us at 3077-4857 (direct number - 24 hours day for English).

Save more when combine your Las Vegas flight with a hotel for a package deal! Discover additional savings by booking in advance. Now you can find activities in Las Vegas and things to do in Las Vegas for your perfect vacation with Expedia Thing to Do.

If you would like to book flights to Las Vegas more flexibly, many prefer to purchase one-way tickets with options to take different airlines. A one way ticket to Las Vegas is HK$4,703 now!

 

Frequently asked questions

How much is a flight from Heathrow Airport to LAS?
If you're planning on traveling from LHR to LAS, round-trip flights start from HK$6,185. 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 vacation, 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 kilometers. Sleep mask? Check. Noise-canceling 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 travelers 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.