Cheap Flights from London (LHR) to Las Vegas (LAS) from HK$3,748~

View HK$3,748 flight on Sat, 18 Apr 2026Opens in a new window

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

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

Prices were available within the past 7 days and start at HK$3,748 for one-way flights and HK$7,590 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Mon, 21 Sept - Mon, 28 Sept
LHR
London
LAS
Las Vegas
HK$7,590 Return, found 2 days ago
HK$7,590
Return
found 2 days ago
Select United flight, departing Mon, 21 Sept from London to Las Vegas, returning Mon, 28 Sept, priced at HK$7,590 found 2 days ago
Air Canada
Mon, 21 Sept - Mon, 28 Sept
LHR
London
LAS
Las Vegas
HK$7,680 Return, found 2 days ago
HK$7,680
Return
found 2 days ago
Select Air Canada flight, departing Mon, 21 Sept from London to Las Vegas, returning Mon, 28 Sept, priced at HK$7,680 found 2 days ago
Air Canada
Thu, 7 May - Wed, 20 May
LHR
London
LAS
Las Vegas
HK$7,731 Return, found 6 days ago
HK$7,731
Return
found 6 days ago
Select Air Canada flight, departing Thu, 7 May from London to Las Vegas, returning Wed, 20 May, priced at HK$7,731 found 6 days ago
Air Canada
Wed, 15 Apr - Tue, 21 Apr
LHR
London
LAS
Las Vegas
HK$7,732 Return, found 2 days ago
HK$7,732
Return
found 2 days ago
Select Air Canada flight, departing Wed, 15 Apr from London to Las Vegas, returning Tue, 21 Apr, priced at HK$7,732 found 2 days ago
Air Canada
Sat, 18 Apr - Wed, 22 Apr
LHR
London
LAS
Las Vegas
HK$7,785 Return, found 6 days ago
HK$7,785
Return
found 6 days ago
Select Air Canada flight, departing Sat, 18 Apr from London to Las Vegas, returning Wed, 22 Apr, priced at HK$7,785 found 6 days ago
Air Canada
Mon, 21 Sept - Mon, 28 Sept
LHR
London
LAS
Las Vegas
HK$7,834 Return, found 2 days ago
HK$7,834
Return
found 2 days ago
Select Air Canada flight, departing Mon, 21 Sept from London to Las Vegas, returning Mon, 28 Sept, priced at HK$7,834 found 2 days ago
WestJet
Sat, 18 Apr - Wed, 22 Apr
LHR
London
LAS
Las Vegas
HK$7,857 Return, found 6 days ago
HK$7,857
Return
found 6 days ago
Select WestJet flight, departing Sat, 18 Apr from London to Las Vegas, returning Wed, 22 Apr, priced at HK$7,857 found 6 days ago
American Airlines
Mon, 21 Sept - Mon, 28 Sept
LHR
London
LAS
Las Vegas
HK$7,877 Return, found 2 days ago
HK$7,877
Return
found 2 days ago
Select American Airlines flight, departing Mon, 21 Sept from London to Las Vegas, returning Mon, 28 Sept, priced at HK$7,877 found 2 days ago
British Airways
Mon, 21 Sept - Mon, 28 Sept
LHR
London
LAS
Las Vegas
HK$8,000 Return, found 2 days ago
HK$8,000
Return
found 2 days ago
Select British Airways flight, departing Mon, 21 Sept from London to Las Vegas, returning Mon, 28 Sept, priced at HK$8,000 found 2 days ago
Swiss International Air Lines
Thu, 14 May - Wed, 20 May
LHR
London
LAS
Las Vegas
HK$8,079 Return, found 2 days ago
HK$8,079
Return
found 2 days ago
Select Swiss International Air Lines flight, departing Thu, 14 May from London to Las Vegas, returning Wed, 20 May, priced at HK$8,079 found 2 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$4,192 - HK$7,794 per traveller.

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$7,590. 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.

Travel information

Origin airport
Heathrow
Destination airport
Harry Reid Intl.
Airlines serving
Air Canada, American Airlines, Austrian Airlines, British Airways, Delta, Iberia, Lufthansa, Swiss International Air Lines, United, Virgin Atlantic
Return price
HK$7,590
Distance
8345 km
Average flight time
3 hours 25 mins

Book with confidence

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$3,748 now!

 

Flights from London to Las Vegas

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