£425 Cheap Flights from London (LHR) to Las Vegas (LAS)

View £425 flight on Wed, 18 Nov 2026Opens in a new window

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

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

Prices were available within the past 7 days and start at £425 for one-way flights and £551 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Virgin Atlantic
Thu, 4 Mar - Mon, 8 Mar
LHR
London
LAS
Las Vegas
£551 Return, found 1 day ago
£551
Return
found 1 day ago
Select Virgin Atlantic flight, departing Thu, 4 Mar from London to Las Vegas, returning Mon, 8 Mar, priced at £551 found 1 day ago
Delta
Thu, 4 Mar - Mon, 8 Mar
LHR
London
LAS
Las Vegas
£551 Return, found 1 day ago
£551
Return
found 1 day ago
Select Delta flight, departing Thu, 4 Mar from London to Las Vegas, returning Mon, 8 Mar, priced at £551 found 1 day ago
KLM
Tue, 9 Mar - Tue, 16 Mar
LHR
London
LAS
Las Vegas
£551 Return, found 1 day ago
£551
Return
found 1 day ago
Select KLM flight, departing Tue, 9 Mar from London to Las Vegas, returning Tue, 16 Mar, priced at £551 found 1 day ago
Virgin Atlantic
Tue, 9 Mar - Fri, 12 Mar
LHR
London
LAS
Las Vegas
£555 Return, found 1 hour ago
£555
Return
found 1 hour ago
Select Virgin Atlantic flight, departing Tue, 9 Mar from London to Las Vegas, returning Fri, 12 Mar, priced at £555 found 1 hour ago
Air France
Fri, 9 Oct - Thu, 15 Oct
LHR
London
LAS
Las Vegas
£559 Return, found 5 hours ago
£559
Return
found 5 hours ago
Select Air France flight, departing Fri, 9 Oct from London to Las Vegas, returning Thu, 15 Oct, priced at £559 found 5 hours ago
Iberia
Sun, 11 Oct - Mon, 19 Oct
LHR
London
LAS
Las Vegas
£561 Return, found 2 days ago
£561
Return
found 2 days ago
Select Iberia flight, departing Sun, 11 Oct from London to Las Vegas, returning Mon, 19 Oct, priced at £561 found 2 days ago
Delta
Tue, 13 Oct - Tue, 20 Oct
LHR
London
LAS
Las Vegas
£563 Return, found 1 hour ago
£563
Return
found 1 hour ago
Select Delta flight, departing Tue, 13 Oct from London to Las Vegas, returning Tue, 20 Oct, priced at £563 found 1 hour ago
British Airways
Tue, 9 Mar - Tue, 16 Mar
LHR
London
LAS
Las Vegas
£567 Return, found 1 day ago
£567
Return
found 1 day ago
Select British Airways flight, departing Tue, 9 Mar from London to Las Vegas, returning Tue, 16 Mar, priced at £567 found 1 day ago
American Airlines
Tue, 9 Mar - Tue, 16 Mar
LHR
London
LAS
Las Vegas
£567 Return, found 1 day ago
£567
Return
found 1 day ago
Select American Airlines flight, departing Tue, 9 Mar from London to Las Vegas, returning Tue, 16 Mar, priced at £567 found 1 day ago
Finnair
Tue, 9 Mar - Tue, 16 Mar
LHR
London
LAS
Las Vegas
£593 Return, found 1 day ago
£593
Return
found 1 day ago
Select Finnair flight, departing Tue, 9 Mar from London to Las Vegas, returning Tue, 16 Mar, priced at £593 found 1 day ago

Alternative airports near Las Vegas

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to McCarran Intl. LAS. Cheapest and Closest option available. Average driving time to city centre is 6 minutes. Flights from £742
LAS
McCarran Intl.
CheapestClosest
Average driving time to city centre6 min
Flights from £742

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

March is typically the cheapest month to fly

From £474 - £1,093 per traveller.

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 £551. 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.

Frequently asked questions

How much does a flight from London (LHR-Heathrow) to Las Vegas, NV (LAS-Harry Reid Intl.) cost?
One-way flights typically cost between £1,447 and £4,232 and return flights often range between £1,357 and £7,895. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Anaa (AAA) to Toronto, ON (YYZ-Pearson Intl.) ticket fares go up or down.
Which airlines fly direct from London (LHR-Heathrow) to Las Vegas, NV (LAS-Harry Reid Intl.)?
Enter LHR to LAS and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
How do I find cheap flights from London (LHR-Heathrow) to Las Vegas, NV (LAS-Harry Reid Intl.)?
To find a cheap flight from London (LHR-Heathrow) to Las Vegas, NV (LAS-Harry Reid Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best airline to fly with from London (LHR-Heathrow) to Las Vegas, NV (LAS-Harry Reid Intl.)?
The best airline to fly with from London (LHR-Heathrow) to Las Vegas, NV (LAS-Harry Reid Intl.) will differ from traveller to traveller. If you like to fly early, VS offers early morning flights. If price is the most important factor, BA typically offers the lowest fares. BA offers the most daily flights from London (LHR-Heathrow) to Las Vegas, NV (LAS-Harry Reid Intl.), which is brilliant if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from London (LHR-Heathrow) to Las Vegas, NV (LAS-Harry Reid Intl.)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
How many flights per day from London (LHR-Heathrow) to Las Vegas, NV (LAS-Harry Reid Intl.)?
There are approximately 3 nonstop flights per day from London (LHR-Heathrow) to Las Vegas, NV (LAS-Harry Reid Intl.). For even more choice, look at flights that include layovers. You'll find around 99 connecting flights per day. Some common connection points include Unknown (DUB), John F. Kennedy Intl. (JFK), and Frankfurt Intl. (FRA).
What is the earliest flight from London (LHR-Heathrow) to Las Vegas, NV (LAS-Harry Reid Intl.)?
The earliest flight from London Heathrow (LHR) to Las Vegas, NV (LAS-Harry Reid International Airport) typically departs at approximately 6:00 AM local time. This service is seasonal, active in April, May, July, and October. An early departure like this can help you make the most of your time in Las Vegas. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from London (LHR-Heathrow) to Las Vegas, NV (LAS-Harry Reid Intl.)?
You'll find the most flights from London Heathrow (LHR) to Harry Reid International Airport (LAS) on a Monday, with around 106 flights available. This gives you plenty of options for your travel plans. Major airlines on this route include United Airlines, British Airways, and American Airlines. Flight options are notably more on Mondays compared to other days of the week, offering you a good selection.
What are the most popular departure times for flights from London (LHR-Heathrow) to Las Vegas, NV (LAS-Harry Reid Intl.)?
The most popular departure times for flights from London Heathrow (LHR) to Las Vegas, NV (LAS) are in the morning, between 9am and 12pm. About 29% of passengers prefer this time window. Many major carriers, including United Airlines, American Airlines and Delta Air Lines, offer flights during this window. This timing works well because it allows you to start your journey relatively early, giving you more time to settle in upon arrival in Las Vegas.
How long does it take to fly from London (LHR-Heathrow) to Las Vegas, NV (LAS-Harry Reid Intl.)?
Flying nonstop from LHR to LAS takes around 10 hours 50 minutes, with the route covering approximately 5,217 miles. Flights with a layover typically take 5 hours 30 minutes longer than direct options. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from London (LHR-Heathrow) to Las Vegas, NV (LAS-Harry Reid Intl.)?
Select the "Business class" and "First class" filters when looking for LHR to LAS flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a London (LHR-Heathrow) to Las Vegas, NV (LAS-Harry Reid Intl.) flight with Expedia?
It's easy to earn miles on a London (LHR-Heathrow) to Las Vegas, NV (LAS-Harry Reid Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia. *Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Las Vegas from Heathrow (LHR)?
From Heathrow (LHR), you can fly directly into Harry Reid International Airport (LAS) to reach Las Vegas. Some flights may connect through major hubs like Frankfurt Intl. (FRA), Roissy-Charles de Gaulle (CDG), DUB (DUB) before reaching Las Vegas. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from London (LHR-Heathrow) to Las Vegas, NV (LAS-Harry Reid Intl.) at the last minute?
Typically, booking a last minute flight from London (LHR-Heathrow) to Las Vegas, NV (LAS-Harry Reid Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a London (LHR-Heathrow) to Las Vegas, NV (LAS-Harry Reid Intl.) flight and hotel package?
Securing a London (LHR-Heathrow) to Las Vegas, NV (LAS-Harry Reid Intl.) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from London (LHR-Heathrow) to Las Vegas, NV (LAS-Harry Reid Intl.)?
If you booked your London (LHR-Heathrow) to Las Vegas, NV (LAS-Harry Reid Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Heathrow
Destination airport
Harry Reid Intl.
Airlines serving
Aer Lingus, Air Canada, Air France, Alaska Airlines, American Airlines, Austrian Airlines, British Airways, Brussels Airlines, Delta, Finnair, ITA Airways, Iberia, Icelandair, JetBlue Airways, KLM, Lufthansa, Swiss International Air Lines, United, Virgin Atlantic, WestJet
Return price
£550
Distance
8345 km
Average flight time
2 hours 43 mins

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