£425 Cheap Flights from Harry Reid International (LAS) to London Heathrow (LHR)

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Flight deals from Harry Reid International to London Heathrow

Looking for a cheap last-minute deal or the best return flight from Harry Reid International to London Heathrow? Find the lowest prices on one-way and return tickets right here.

London.£425 per passenger.Departing Fri, 6 Feb, returning Sun, 8 Feb.Return flight with Spirit Airlines and Lufthansa.Outbound indirect flight with Spirit Airlines, departs from Harry Reid International on Fri, 6 Feb, arriving in London Heathrow.Inbound indirect flight with Lufthansa, departs from London Heathrow on Sun, 8 Feb, arriving in Harry Reid International.Price includes taxes and charges.From £425, select.

London.£429 per passenger.Departing Fri, 20 Feb, returning Sun, 1 Mar.Return flight with Lufthansa and SWISS.Outbound indirect flight with Lufthansa, departs from Harry Reid International on Fri, 20 Feb, arriving in London Heathrow.Inbound indirect flight with SWISS, departs from London Heathrow on Sun, 1 Mar, arriving in Harry Reid International.Price includes taxes and charges.From £429, select.

London.£430 per passenger.Departing Sat, 24 Jan, returning Tue, 3 Mar.Return flight with Lufthansa and SWISS.Outbound indirect flight with Lufthansa, departs from Harry Reid International on Sat, 24 Jan, arriving in London Heathrow.Inbound indirect flight with SWISS, departs from London Heathrow on Tue, 3 Mar, arriving in Harry Reid International.Price includes taxes and charges.From £430, select.

London.£430 per passenger.Departing Thu, 22 Jan, returning Thu, 29 Jan.Return flight with SWISS.Outbound indirect flight with SWISS, departs from Harry Reid International on Thu, 22 Jan, arriving in London Heathrow.Inbound indirect flight with SWISS, departs from London Heathrow on Thu, 29 Jan, arriving in Harry Reid International.Price includes taxes and charges.From £430, select.

London.£447 per passenger.Departing Sat, 24 Jan, returning Fri, 6 Feb.Return flight with Lufthansa.Outbound indirect flight with Lufthansa, departs from Harry Reid International on Sat, 24 Jan, arriving in London Heathrow.Inbound indirect flight with Lufthansa, departs from London Heathrow on Fri, 6 Feb, arriving in Harry Reid International.Price includes taxes and charges.From £447, select.

London.£449 per passenger.Departing Wed, 13 May, returning Wed, 20 May.Return flight with Lufthansa.Outbound indirect flight with Lufthansa, departs from Harry Reid International on Wed, 13 May, arriving in London Heathrow.Inbound indirect flight with Lufthansa, departs from London Heathrow on Wed, 20 May, arriving in Harry Reid International.Price includes taxes and charges.From £449, select.

London.£455 per passenger.Departing Wed, 18 Mar, returning Wed, 25 Mar.Return flight with Lufthansa.Outbound indirect flight with Lufthansa, departs from Harry Reid International on Wed, 18 Mar, arriving in London Heathrow.Inbound indirect flight with Lufthansa, departs from London Heathrow on Wed, 25 Mar, arriving in Harry Reid International.Price includes taxes and charges.From £455, select.

London.£457 per passenger.Departing Wed, 1 Apr, returning Wed, 8 Apr.Return flight with Virgin Atlantic.Outbound indirect flight with Virgin Atlantic, departs from Harry Reid International on Wed, 1 Apr, arriving in London Heathrow.Inbound indirect flight with Virgin Atlantic, departs from London Heathrow on Wed, 8 Apr, arriving in Harry Reid International.Price includes taxes and charges.From £457, select.

Find the cheapest month to fly from Harry Reid International to London Heathrow

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Harry Reid International to London Heathrow flights are currently cheapest in February.

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Direct flights from Harry Reid International to London Heathrow

Harry Reid International to London Heathrow: Alternative routes

Compare routes from Harry Reid International to London below. You may find an airport to fly into that's cheaper, faster, or easier than London Heathrow.

Las Vegas to London: Flight information

The things to know before you go.

Cheapest flight found	£425
Cheapest month to fly	February
Average flight time	9 hrs, 55 mins
Most popular airline	KLM
Average flights per week	84

Finding cheap flights from Harry Reid International to London Heathrow: Frequently asked questions

How much are return flights from Harry Reid International to London Heathrow?

The best price we found for a return flight from Harry Reid International to London Heathrow is £425. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.

How long does it take to fly from Harry Reid International to London Heathrow?

9 hours and 55 minutes is the average flight time from Harry Reid International to London Heathrow.

Which airlines fly direct from Harry Reid International to London Heathrow?

KLM, British Airways and American Airlines fly direct from Harry Reid International to London Heathrow.

How many flights are there a week from Harry Reid International to London Heathrow?

As of December 2025, there are 84 flights per week flying from Harry Reid International to London Heathrow.

When is the cheapest time to fly from Harry Reid International to London Heathrow?

The cheapest month to fly from Harry Reid International to London Heathrow is usually February.

Which upcoming date is cheapest to fly from Harry Reid International Airport to London Heathrow Airport on?

After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Harry Reid International Airport to London Heathrow Airport on Friday, 6 February 2026.

Can I get a direct flight from Harry Reid International Airport to London Heathrow Airport?

Yes – the average flight time is 9 hours and 55 minutes.

How can I find the best flight deal to London Heathrow?

We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to London Heathrow but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

When is the best time to book flights to London?

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to London is around 40 days in advance, so don’t leave your flight to the last minute.

Which is the cheapest airline to fly from Harry Reid International Airport to London Heathrow with?

Currently, Spirit Airlines and Air France offer the cheapest flight tickets to London Heathrow.

Travelling from Harry Reid Airport (formerly McCarran Airport) (LAS) to London Heathrow Airport (LHR): what you need to know

Take a direct flight from Harry Reid Airport (formerly McCarran Airport) to London Heathrow Airport and you'll be in the air for an average of 10 hours 20 minutes.
London is seven hours ahead of Las Vegas and observes the UTC+0 timezone.
You can choose from 19 weekly Harry Reid Airport (formerly McCarran Airport) to London Heathrow Airport flights. The 19:25 departure with Virgin Atlantic is the earliest flight available. British Airways operates the latest service of the day at 22:10.
Arriving two hours before an international flight and one hour ahead of a domestic departure are travel rules worth sticking to. Be at the airport on time to board your LAS to LHR flight.
Travelling during a peak time like October? School holidays and other high seasons can result in longer queues at check-in and security. Be extra cautious and get there up to four hours ahead of an international flight and two hours before a domestic departure.
British Airways offers direct flights from Harry Reid Airport (formerly McCarran Airport) to London Heathrow Airport. Book with this popular carrier, then get ready to discover the sights in London — and maybe even more of United Kingdom if time allows.
The airline most travellers prefer to fly with on this route is British Airways.
With 68.97% of services arriving as scheduled, Virgin Atlantic is the most punctual carrier operating LAS to LHR flights.
If you want to break up your flight, just uncheck 'Direct flights only' when searching for your ticket from Harry Reid Airport (formerly McCarran Airport) to London Heathrow Airport. These are the top stopovers between LAS and LHR:
- Incheon International Airport
- Minneapolis-St. Paul International Airport
- Phoenix Sky Harbour International Airport

How to find the cheapest flights from Harry Reid Airport (formerly McCarran Airport) (LAS) to London Heathrow Airport (LHR)

At the moment, £146 is the cheapest price we've seen for a one-way Harry Reid Airport (formerly McCarran Airport) to London Heathrow Airport flight. The best price for a return ticket is £425. Bear in mind that fares may change due to demand at the time of booking.
Don't wait until the last moment. You're more likely to get cheap tickets from LAS to LHR if you book early. Airlines often have some amazing early bird rates.
Plan your trip for November. That's the cheapest month for flights from Harry Reid Airport (formerly McCarran Airport) to London Heathrow Airport. If you're flexible with your travel dates, use the 'Whole month' tool to see the cheapest price across each month.
Landing cheap flights from LAS to LHR is a piece of cake with Price Alerts. Simply set up one of these automatic alerts and we'll get in touch when a new discounted fare appears.
Secure the perfect flight for you with the help of the filters. To see the 'Best,' 'Cheapest' or 'Fastest' flights from Harry Reid Airport (formerly McCarran Airport) to London Heathrow Airport, use the 'Sort by' tool. You can also filter by departure and arrival times, airline, and journey duration.

Handy information about Harry Reid Airport (formerly McCarran Airport) (LAS)

LAS's address is 5757 Wayne Newton Boulevard.
Harry Reid Airport (formerly McCarran Airport) scores high marks for on-time performance. 82.07% of flights that take off from LAS arrive at their destination on time.
To reach Harry Reid Airport (formerly McCarran Airport) from central Las Vegas, it'll take around 15 minutes by car. This depends on traffic though. It's approximately 12 miles from the airport to the city centre.
You can expect a journey time of about 1 hour when using public transport.
Have an early flight from Harry Reid Airport (formerly McCarran Airport) to London Heathrow Airport? Avoid the stress of rushing to the airport (and enjoy a little extra shut-eye) by choosing one of these hotels near LAS:

Arriving at London Heathrow Airport (LHR)

If you're arriving on a late Harry Reid Airport (formerly McCarran Airport) to London Heathrow Airport flight, nothing tops the convenience of being close to the terminal. Collect your bags from the carousel and then be tucked up in bed soon after at one of these accommodation options near LHR:
Pick up a London Heathrow Airport rental car and explore London and beyond with your own wheels. Surprice, U-Save and Green Motion are top providers to choose from here.
For the lowest price, book your ride from London Heathrow Airport around one week before you travel.

Getting from London Heathrow Airport (LHR) to central London

London Heathrow Airport is roughly 19 miles from the centre of London. The drive time takes about 55 minutes.
Getting there on public transport typically takes 1 hour.

When to fly to London Heathrow Airport (LHR)

It's time to work out your trip dates for your flight from Harry Reid Airport (formerly McCarran Airport) to London Heathrow Airport. July is the most popular month to head to London. If you prefer a more relaxed vibe, go in February.
The warmest month in London is July, with temperatures ranging between 11ºC (52ºF) and 26ºC (79ºF). Book your flights from Harry Reid Airport (formerly McCarran Airport) to London Heathrow Airport in this month if this is the type of weather you enjoy.
January sees average temperatures of between 0ºC (32ºF) and 9ºC (48ºF). Look for cheap tickets from LAS to LHR around that time if you like travelling in cooler conditions.

Explore more of United Kingdom

You've done London, now it's time to discover other parts of United Kingdom. Travel around 100 miles north-west to Birmingham to tick off its top sights. From Cadbury World to The Library of Birmingham and National Sea Life Centre, you'll have a full itinerary ahead.
If there's time to check out another side of United Kingdom, consider Bristol, about 110 miles west of London. Clifton Suspension Bridge, Cabot Tower and Brandon Hill Nature Park are the start of reasons to visit.