S$400 Cheap Flights from Las Vegas to London

View S$400 flight on Mon, 16 Mar, 2026Opens in a new window

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

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

Prices were available within the past 7 days and start at S$400 for one-way flights and S$910 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Virgin Atlantic
Fri, 19 Sep - Fri, 26 Sep
LAS
Las Vegas
LHR
London
S$910 Return, found 4 days ago
S$910
Return
found 4 days ago
Select Virgin Atlantic flight, departing Fri, 19 Sep from Las Vegas to London, returning Fri, 26 Sep, priced at S$910 found 4 days ago
United
Fri, 19 Sep - Fri, 26 Sep
LAS
Las Vegas
LHR
London
S$931 Return, found 4 days ago
S$931
Return
found 4 days ago
Select United flight, departing Fri, 19 Sep from Las Vegas to London, returning Fri, 26 Sep, priced at S$931 found 4 days ago
Air Canada
Sun, 9 Nov - Mon, 17 Nov
LAS
Las Vegas
LHR
London
S$946 Return, found 2 days ago
S$946
Return
found 2 days ago
Select Air Canada flight, departing Sun, 9 Nov from Las Vegas to London, returning Mon, 17 Nov, priced at S$946 found 2 days ago
Virgin Atlantic
Fri, 19 Sep - Fri, 26 Sep
LAS
Las Vegas
LHR
London
S$946 Return, found 4 days ago
S$946
Return
found 4 days ago
Select Virgin Atlantic flight, departing Fri, 19 Sep from Las Vegas to London, returning Fri, 26 Sep, priced at S$946 found 4 days ago
Air Canada
Sun, 9 Nov - Mon, 17 Nov
LAS
Las Vegas
LHR
London
S$953 Return, found 2 days ago
S$953
Return
found 2 days ago
Select Air Canada flight, departing Sun, 9 Nov from Las Vegas to London, returning Mon, 17 Nov, priced at S$953 found 2 days ago
Virgin Atlantic
Fri, 19 Sep - Fri, 26 Sep
LAS
Las Vegas
LHR
London
S$954 Return, found 4 days ago
S$954
Return
found 4 days ago
Select Virgin Atlantic flight, departing Fri, 19 Sep from Las Vegas to London, returning Fri, 26 Sep, priced at S$954 found 4 days ago
Air Canada
Fri, 19 Sep - Fri, 26 Sep
LAS
Las Vegas
LHR
London
S$955 Return, found 4 days ago
S$955
Return
found 4 days ago
Select Air Canada flight, departing Fri, 19 Sep from Las Vegas to London, returning Fri, 26 Sep, priced at S$955 found 4 days ago
United
Fri, 19 Sep - Fri, 26 Sep
LAS
Las Vegas
LHR
London
S$963 Return, found 4 days ago
S$963
Return
found 4 days ago
Select United flight, departing Fri, 19 Sep from Las Vegas to London, returning Fri, 26 Sep, priced at S$963 found 4 days ago
American Airlines
Sun, 9 Nov - Mon, 17 Nov
LAS
Las Vegas
LHR
London
S$965 Return, found 2 days ago
S$965
Return
found 2 days ago
Select American Airlines flight, departing Sun, 9 Nov from Las Vegas to London, returning Mon, 17 Nov, priced at S$965 found 2 days ago
British Airways
Fri, 12 Dec - Fri, 19 Dec
LAS
Las Vegas
LHR
London
S$982 Return, found 5 days ago
S$982
Return
found 5 days ago
Select British Airways flight, departing Fri, 12 Dec from Las Vegas to London, returning Fri, 19 Dec, priced at S$982 found 5 days ago

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

October is typically the cheapest month to fly

From S$576 - S$1,439 per traveller.

Graph displaying average flight prices per month

Las Vegas to London route information
Origin airport
Harry Reid Intl.
Destination airport
Heathrow
Airlines serving
Air France, American Airlines, Austrian Airlines, British Airways, Delta, Finnair, KLM, United, Virgin Atlantic
Return price
S$910
Distance
8345 km
Average flight time
17 hours 57 mins

Perfect flights from Las Vegas to London

Your Journey from Las Vegas to London

Start your unforgettable journey with Expedia. Our broad selection of flights from Las Vegas to London caters to every travel need. Whether you're yearning for a romantic escape, a solo adventure, or a cultural immersion, we've got you covered.
 

Choosing Your Ideal Flight

With Expedia, you have access to a wide range of airlines, including WestJet, United, Air Canada, Virgin Atlantic, Delta, American Airlines, British Airways. Our selection of flights from Harry Reid Intl. to Heathrow caters to every traveler's requirements, ensuring your journey aligns with your schedule. With options from 20 airlines, you're bound to find the perfect flight.
 

Maximizing Value with Las Vegas to London Flights

Experience the joy of finding cheap flights from Harry Reid Intl. to Heathrow that fit your budget. Keep an eye out for our special deals and discounts, and check our flexible one-way fares from S$400 and roundtrip prices from S$910*.
 

Pre-Flight Essentials

Ensure a smooth journey from Las Vegas to London with Expedia. From information about check-in times and in-flight amenities to guidance on baggage policies, we provide all the essentials to prepare you for your flight.
 

Experience the Vibrant London

Picture yourself stepping off the plane in London and immersing yourself in the unique atmosphere of . From local markets to cultural festivals, each city offers its distinct charm. Make the most of your trip by exploring local attractions and indulging in the local cuisine. With Expedia, explore all this and more, tailored to your budget.
 

Added Convenience on Your Las Vegas to London Flight

Traveling with Expedia is more than just a flight. We offer details about in-flight amenities, baggage policies, and more to ensure a smooth and hassle-free journey. Choose from our variety of airlines and embark on a memorable journey from Las Vegas to London.
 

Beyond the Flight – Exploring London

With Expedia, your adventure extends beyond the flight. Explore London at your own pace by renting a car or booking a hotel. Discover hidden gems off the beaten path and create unforgettable memories.
 

Book Your Flight from Las Vegas to London with Confidence

Planning your next great adventure is a breeze with Expedia. Our user-friendly platform, unbeatable prices, and round-the-clock customer support make your travel experience seamless and stress-free. Embark on your journey from Las Vegas to London with confidence. Book your travel arrangements with Expedia today.
 
*Note: Prices may vary based on availability and are subject to change.

Frequently asked questions

How much is a flight from Harry Reid Airport (formerly McCarran Airport) to LHR?
Within the past 7 days on Expedia, for flights departing within the next year, the lowest price quoted for a round-trip flight between Harry Reid Airport (formerly McCarran Airport) and London Heathrow was S$910. Great fares don't stick around for long, so make sure you book yours today. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Harry Reid Airport (formerly McCarran Airport) to Heathrow Airport (LHR)?
Each airline has its own set of terms and conditions. If you decide to cancel your escape, head to our Customer Service Portal.
How do I find cheap flights from LAS to LHR 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 LAS to LHR flights, you'll see a "no change fees" filter for you to select.
How far is the flight from LAS to Heathrow Airport?
The distance is around 8,400 kilometres. Sleep mask? Check. Warm clothes? Double check. You'd be wise to pack all the travel comforts for this long-haul Las Vegas to Hounslow flight.
Which airlines fly direct from Harry Reid Airport (formerly McCarran Airport) to London Heathrow?
Many travellers opt to fly with Virgin Atlantic (VS) from LAS to Heathrow Airport (LHR). This top airline offers 30 flights every month, so you can easily find a flight time that's perfect for you. British Airways (BA) is another popular choice. It offers 30 flights per month. Between these two airlines, you'll be able to find a great deal from Las Vegas to Hounslow.
Are LAS to Heathrow Airport flight tickets cheaper when they're purchased at the last minute?
It is possible to get amazing last-minute deals from Harry Reid Airport (formerly McCarran Airport) to Heathrow Airport, but it's also possible to miss out altogether! As many airlines release prices up to a year in advance, it's worth keeping an eye on fares early and being ready to pounce when you see a good bargain. Expedia compares air carrier prices and updates flight deals frequently, so you can rest easy knowing you're always getting the latest offers.

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