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Cheap Flights from Harry Reid International to London Heathrow

Compare Harry Reid International to London Heathrow flight deals

Find the cheapest month or even day of the year to fly to London Heathrow

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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 Airport to London Heathrow Airport? If you want to travel next month, return fares start from R 15,151. Find the lowest prices on one-way and return tickets right here.
London.R 3,926 per passenger.Departing Tue, 27 Oct.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Harry Reid International on Tue, 27 Oct, arriving in London Heathrow.Price includes taxes and charges.From R 3,926, select.
London.R 4,068 per passenger.Departing Wed, 4 Nov.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Harry Reid International on Wed, 4 Nov, arriving in London Heathrow.Price includes taxes and charges.From R 4,068, select.
London.R 4,696 per passenger.Departing Tue, 8 Dec.One-way flight with WestJet.Outbound indirect flight with WestJet, departs from Harry Reid International on Tue, 8 Dec, arriving in London Heathrow.Price includes taxes and charges.From R 4,696, select.
London.R 5,294 per passenger.Departing Tue, 30 Mar.One-way flight with Alaska Airlines.Outbound indirect flight with Alaska Airlines, departs from Harry Reid International on Tue, 30 Mar, arriving in London Heathrow.Price includes taxes and charges.From R 5,294, select.
London.R 5,349 per passenger.Departing Sun, 28 Mar.One-way flight with Finnair.Outbound direct flight with Finnair departs from Harry Reid International on Sun, 28 Mar, arriving in London Heathrow.Price includes taxes and charges.From R 5,349, select.
London.R 5,410 per passenger.Departing Thu, 21 Jan.One-way flight with WestJet.Outbound indirect flight with WestJet, departs from Harry Reid International on Thu, 21 Jan, arriving in London Heathrow.Price includes taxes and charges.From R 5,410, select.
London.R 5,425 per passenger.Departing Wed, 7 Apr.One-way flight with Lufthansa.Outbound indirect flight with Lufthansa, departs from Harry Reid International on Wed, 7 Apr, arriving in London Heathrow.Price includes taxes and charges.From R 5,425, select.
London.R 5,508 per passenger.Departing Mon, 1 Feb.One-way flight with Iberia.Outbound direct flight with Iberia departs from Harry Reid International on Mon, 1 Feb, arriving in London Heathrow.Price includes taxes and charges.From R 5,508, select.
London.R 5,508 per passenger.Departing Mon, 7 Dec.One-way flight with Iberia.Outbound direct flight with Iberia departs from Harry Reid International on Mon, 7 Dec, arriving in London Heathrow.Price includes taxes and charges.From R 5,508, select.
London.R 5,508 per passenger.Departing Wed, 7 Apr.One-way flight with Iberia.Outbound direct flight with Iberia departs from Harry Reid International on Wed, 7 Apr, arriving in London Heathrow.Price includes taxes and charges.From R 5,508, select.
London.R 5,511 per passenger.Departing Wed, 13 Jan.One-way flight with Iberia.Outbound direct flight with Iberia departs from Harry Reid International on Wed, 13 Jan, arriving in London Heathrow.Price includes taxes and charges.From R 5,511, select.
London.R 5,512 per passenger.Departing Tue, 11 May.One-way flight with United.Outbound indirect flight with United, departs from Harry Reid International on Tue, 11 May, arriving in London Heathrow.Price includes taxes and charges.From R 5,512, select.
London.R 5,537 per passenger.Departing Sun, 18 Oct.One-way flight with Finnair.Outbound direct flight with Finnair departs from Harry Reid International on Sun, 18 Oct, arriving in London Heathrow.Price includes taxes and charges.From R 5,537, select.
London.R 5,542 per passenger.Departing Sun, 29 Nov.One-way flight with American Airlines.Outbound direct flight with American Airlines departs from Harry Reid International on Sun, 29 Nov, arriving in London Heathrow.Price includes taxes and charges.From R 5,542, select.
London.R 5,542 per passenger.Departing Sun, 2 May.One-way flight with KLM.Outbound direct flight with KLM departs from Harry Reid International on Sun, 2 May, arriving in London Heathrow.Price includes taxes and charges.From R 5,542, select.
London.R 5,615 per passenger.Departing Sat, 19 Sep.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Harry Reid International on Sat, 19 Sep, arriving in London Heathrow.Price includes taxes and charges.From R 5,615, 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 October.
Jul
from R 6,555
Aug
from R 5,743
Sep
from R 5,615
Oct
from R 3,926
Nov
from R 4,068
Dec
from R 4,696
Jan
from R 5,410
Feb
from R 5,508
Mar
from R 5,294
Apr
from R 5,425
May
from R 5,512
Jun
from R 8,809

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.

London City

12km from central London
Closest
from R 5,544
Search flights

London Heathrow

23km from central London
from R 3,926
Search flights

London Gatwick

40km from central London
Cheapest
from R 3,171
Search flights

London Luton

45km from central London
from R 5,040
Search flights

London Stansted

49km from central London
from R 4,142
Search flights

London Southend

57km from central London
from R 5,649
Search flights

Las Vegas to London: Flight information

The things to know before you go.
Cheapest flight foundR 3,926
Cheapest month to flyOctober
Average flight time9 hrs, 57 mins
Most popular airlineKLM
Average flights per week89

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

The best price we found for a return flight from Harry Reid International to London Heathrow is R 12,303. 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.
9 hours and 57 minutes is the average flight time from Harry Reid International to London Heathrow.
KLM, American Airlines and British Airways fly direct from Harry Reid International to London Heathrow.
As of July 2026, there are 89 flights per week flying from Harry Reid International to London Heathrow.
The cheapest month to fly from Harry Reid International to London Heathrow is usually October.
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 Saturday, 24 October 2026.
Yes – the average flight time is 9 hours and 57 minutes.
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.

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.

Currently, Alaska Airlines and British Airways offer the cheapest flight tickets to London Heathrow.

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

  • Take a direct flight from Harry Reid International Airport to London Heathrow Airport and you'll be travelling for an average of 9 hours 55 minutes.

  • London is eight hours ahead of Las Vegas and observes the UTC+0 timezone.

  • Pack your suitcase and choose from 17 weekly Harry Reid International Airport to London Heathrow Airport flights.

  • Arriving two hours before an international flight and one hour ahead of a domestic departure are golden rules for hassle-free flying. Be at the airport on time to catch your LAS to LHR flight.

  • Be prepared for bigger queues in popular months such as April. Arriving up to four hours in advance for international flights and two hours for a domestic departure is a smart move.

  • Plenty of airlines operate direct flights from Harry Reid International Airport to London Heathrow Airport. Travel nonstop to London with one of these carriers and get to know this exciting part of the United Kingdom:

  • British Airways has the highest passenger demand on this route.

  • With an impressive 84.75% of services arriving on schedule, Delta is the most punctual carrier operating LAS to LHR flights.

  • Think about adding a stopover when booking your ticket from Harry Reid International Airport to London Heathrow Airport. Just uncheck 'Direct flights only' to break up your trip, or perhaps see a new city along the way. Here's where you can stop between LAS and LHR:

    • Los Angeles International Airport

    • Phoenix Sky Harbour Airport

    • Incheon International Airport

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

  • R 3,926 is the lowest price for a one-way Harry Reid International Airport to London Heathrow Airport flight. Return flights start from R 12,303. These fares can change depending on demand.

  • To get cheap tickets from LAS to LHR, book your journey six months ahead of your departure date.

  • The cheapest month for flights from Harry Reid International Airport to London Heathrow Airport is November. Use the 'Whole month' tool to see the lowest prices if you have flexible travel dates.

  • Finding cheap flights from LAS to LHR couldn't be easier with Price Alerts. Simply set up one of these automatic alerts and we'll let you know as soon as there's a better deal.

  • Tailor your trip with filters. Select your preferred departure and arrival times, total journey duration and airlines. You can also sort results by 'Fastest,' 'Cheapest' or 'Best' flights from Harry Reid International Airport to London Heathrow Airport.

Handy information about Harry Reid International Airport (LAS)

  • LAS is located at 5757 Wayne Newton Boulevard.

  • When it comes to the on-time performance of Harry Reid International Airport, 79% of flights stick to their scheduled arrival time.

  • Harry Reid International Airport is around 8 kilometres from central Las Vegas. If you're ride-sharing, catching a taxi or driving from the centre, it'll take you 10 minutes or so to arrive, depending on the traffic.

  • Expect a trip time of roughly 25 minutes on public transport.

  • Get your break off to a leisurely start by staying near LAS. Whether you have an early flight from Harry Reid International Airport to London Heathrow Airport or just don't like being rushed, these stays have you covered:

Arriving at London Heathrow Airport (LHR)

When to fly to London Heathrow Airport (LHR)

  • July is the busiest month for flights from Harry Reid International Airport to London Heathrow Airport. For a quieter experience, go to London in March.

  • The warmest month in London is July, with temperatures ranging between 11ºC (52ºF) and 26ºC (79ºF). Book your flights from Harry Reid International Airport to London Heathrow Airport in this month if this is the type of weather you like.

  • Search for cheap tickets from LAS to LHR in January if you want to travel in cooler conditions. Temperatures are at their lowest then, ranging between 0ºC (32ºF) and 9ºC (48ºF) on average.

Explore more of the United Kingdom

  • You've seen London, now it's time to explore other corners of the United Kingdom. Travel around 257 kilometres north-west to Manchester to tick off its top sights. From Manchester United Museum & Stadium Tour to The Homes of Football and Museum of Science and Industry, you'll have a packed itinerary ahead.

  • Birmingham is another sought-after destination in the United Kingdom and is around 161 kilometres north-west of London. No journey is complete without a visit to Birmingham Museum & Art Gallery, Birmingham Hippodrome Theatre and Bournville Experience.

Plan the rest of your trip from Las Vegas to London

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.