Cheap Flights from Las Vegas to London Heathrow

Compare Las Vegas to London Heathrow flight deals

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

Book the best London Heathrow fare with no extra fees

Flight deals from Las Vegas to London Heathrow

Looking for a cheap last-minute deal or the best return flight from Las Vegas to London Heathrow Airport? If you want to travel next month, return fares start from R 14,983. Find the lowest prices on one-way and return tickets right here.

London.R 3,949 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 3,949, select.

London.R 4,063 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 4,063, select.

London.R 4,724 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 4,724, select.

London.R 5,179 per passenger.Departing Wed, 26 Aug.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Harry Reid International on Wed, 26 Aug, arriving in London Heathrow.Price includes taxes and charges.From R 5,179, select.

London.R 5,412 per passenger.Departing Wed, 29 Jul.One-way flight with jetBlue.Outbound indirect flight with jetBlue, departs from Harry Reid International on Wed, 29 Jul, arriving in London Heathrow.Price includes taxes and charges.From R 5,412, select.

London.R 5,442 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 5,442, select.

London.R 5,444 per passenger.Departing Thu, 10 Sep.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Harry Reid International on Thu, 10 Sep, arriving in London Heathrow.Price includes taxes and charges.From R 5,444, select.

London.R 5,456 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 5,456, select.

London.R 5,526 per passenger.Departing Sun, 21 Feb.One-way flight with Air Canada.Outbound indirect flight with Air Canada, departs from Harry Reid International on Sun, 21 Feb, arriving in London Heathrow.Price includes taxes and charges.From R 5,526, select.

London.R 5,540 per passenger.Departing Tue, 23 Mar.One-way flight with United.Outbound indirect flight with United, departs from Harry Reid International on Tue, 23 Mar, arriving in London Heathrow.Price includes taxes and charges.From R 5,540, select.

London.R 5,550 per passenger.Departing Sun, 6 Dec.One-way flight with Iberia.Outbound direct flight with Iberia departs from Harry Reid International on Sun, 6 Dec, arriving in London Heathrow.Price includes taxes and charges.From R 5,550, select.

London.R 5,555 per passenger.Departing Mon, 12 Apr.One-way flight with British Airways.Outbound direct flight with British Airways departs from Harry Reid International on Mon, 12 Apr, arriving in London Heathrow.Price includes taxes and charges.From R 5,555, select.

London.R 5,561 per passenger.Departing Tue, 5 Jan.One-way flight with British Airways.Outbound direct flight with British Airways departs from Harry Reid International on Tue, 5 Jan, arriving in London Heathrow.Price includes taxes and charges.From R 5,561, select.

London.R 5,562 per passenger.Departing Mon, 29 Mar.One-way flight with Iberia.Outbound direct flight with Iberia departs from Harry Reid International on Mon, 29 Mar, arriving in London Heathrow.Price includes taxes and charges.From R 5,562, select.

London.R 5,572 per passenger.Departing Wed, 21 Oct.One-way flight with Air France.Outbound direct flight with Air France departs from Harry Reid International on Wed, 21 Oct, arriving in London Heathrow.Price includes taxes and charges.From R 5,572, select.

London.R 5,572 per passenger.Departing Mon, 1 Feb.One-way flight with Air France.Outbound direct flight with Air France departs from Harry Reid International on Mon, 1 Feb, arriving in London Heathrow.Price includes taxes and charges.From R 5,572, select.

Find the cheapest month to fly from Las Vegas to London Heathrow

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

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Direct flights from Las Vegas to London Heathrow

Las Vegas to London Heathrow: Alternative routes

Compare routes from Las Vegas 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	R 3,949
Cheapest month to fly	October
Average flight time	9 hrs, 55 mins
Most popular airline	KLM
Average flights per week	97

Finding cheap flights from Las Vegas to London Heathrow: Frequently asked questions

How much are return flights from Las Vegas to London Heathrow?

The best price we found for a return flight from Las Vegas to London Heathrow is R 11,943. 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 Las Vegas to London Heathrow?

9 hours and 55 minutes is the average flight time from Las Vegas to London Heathrow.

Which airlines fly direct from Las Vegas to London Heathrow?

KLM, American Airlines and British Airways fly direct from Las Vegas to London Heathrow.

How many flights are there a week from Las Vegas to London Heathrow?

As of July 2026, there are 97 flights per week flying from Las Vegas to London Heathrow.

When is the cheapest time to fly from Las Vegas to London Heathrow?

The cheapest month to fly from Las Vegas to London Heathrow is usually October.

Which upcoming date is cheapest to fly from Las Vegas to London Heathrow Airport on?

After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Las Vegas to London Heathrow Airport on Saturday, 24 October 2026.

Can I get a direct flight from Las Vegas 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.

Flying from Las Vegas to London Heathrow Airport (LHR): What you need to know

Las Vegas Harry Reid International Airport (LAS) is Las Vegas's main airport. Explore your options for booking a flight from Las Vegas to London Heathrow Airport (LHR) taking off from here.
Hop on a direct Las Vegas to London Heathrow Airport flight and you'll be in the air for an average of 9 hours 55 minutes.
London is eight hours ahead of Las Vegas. London Heathrow Airport is located in London, which operates on the UTC+0 timezone.
Las Vegas Harry Reid International Airport (LAS) to London Heathrow Airport (LHR) is the most popular route. You can choose from 17 direct services every week between LAS and LHR.
Leave enough time to catch your flight from Las Vegas to LHR. As a general rule, arrive at least two hours before international departures and an hour ahead for domestic flights.
Getting on a plane during a peak month like March? Popular periods (like Thanksgiving, Christmas and spring break) can add another hour at security. Be extra cautious and arrive up to four hours before an international flight and two hours before a domestic departure.

Airports in Las Vegas

Las Vegas Harry Reid International Airport (LAS)

You can jump on a direct flight from Las Vegas to London Heathrow Airport (LHR) leaving from Las Vegas Harry Reid International Airport (LAS).
These are some of the leading airlines offering direct flights from Las Vegas to London Heathrow Airport taking off from LAS:
British Airways is the airline most travellers choose for flights from LAS to LHR.
The carrier with the most reliable on-time arrival rate on this route is Delta.
Think about adding a stopover to find cheap flights from Las Vegas to LHR. Simply uncheck 'Direct flights only' when browsing departures from Las Vegas Harry Reid International Airport (LAS). Break the trip up (and maybe score a better deal) by stopping at one of these popular airports:
- Los Angeles International Airport (LAX)
- Phoenix Sky Harbour International Airport (PHX)
- Seoul Incheon International Airport (ICN)
Located around 8 kilometres from central Las Vegas, LAS can be reached in about 10 minutes by car (depending on traffic). The journey on public transport takes roughly 25 minutes.
Searching for a comfortable hotel close to Las Vegas Harry Reid International Airport? If you're catching an early flight from Las Vegas to London Heathrow Airport, these accommodation options will put you conveniently close to check-in:
Of the departures from Las Vegas Harry Reid International Airport, 79% arrive as scheduled at their destination.
LAS's address is 5757 Wayne Newton Boulevard.

About London Heathrow Airport (LHR)

Consider booking a hotel near LHR if you have a late flight from Las Vegas to London Heathrow Airport. Select one of these options and be in bed sooner:
Booking your vehicle around one week ahead of your Las Vegas to London Heathrow Airport flight can help you score a better rate.

Getting from London Heathrow Airport (LHR) to central London

London Heathrow Airport is around 24 kilometres from the centre of London. It takes around 45 minutes or so to drive to the city.
It typically takes 25 minutes when travelling by public transport.

How to find the cheapest flights from Las Vegas to London Heathrow Airport (LHR)

The lowest price we've found for a one-way ticket from Las Vegas to London Heathrow Airport is R 3,949. For a return flight on this route, the best price is R 11,943. Depending on when you book and the availability, these fares could change.
To snap up cheap flights from Las Vegas to LHR, book your ticket six months before your departure date.
November is when you're most likely to find a bargain on a Las Vegas to London Heathrow Airport ticket. If you'd like to travel at a different time of year, the 'Whole month' tool will give you the lowest prices for each month.
Snapping up a cheap plane ticket from Las Vegas to LHR is a piece of cake with Price Alerts. All you need to do is create one of these automatic alerts and we'll let you know as soon as there's a price drop.
Filters make it easier to land a deal on your flight from Las Vegas to London Heathrow Airport. Pick the flight times, carriers and stops that work for you. Then sort the results by 'Cheapest' to find the lowest price right away.

The best time to fly from Las Vegas to London Heathrow Airport (LHR)

Think about your travel style when planning the timing of your trip. January is the quietest month to visit London. July is when most people book flights from Las Vegas to London Heathrow Airport (LHR), which may be perfect if you'd rather travel when it's busy.
When booking your Las Vegas to LHR plane ticket, consider what kind of weather works for you. July is the warmest month in London, with temperatures ranging from 11ºC (52ºF) to 26ºC (79ºF).
If you like travelling in cooler conditions, look for a cheap ticket from Las Vegas to London Heathrow Airport in January when temperatures are between 0ºC (32ºF) and 9ºC (48ºF).

More about London

After booking your flight from Las Vegas to London Heathrow Airport, find a hotel that's got location and comfort covered. Make one of these accommodation options your base for exploring London:
All great journeys should include some sightseeing. The British Museum, Westminster Abbey and Big Ben are must-visits when exploring London.

Explore more of the United Kingdom

You've visited London, now it's time to explore other parts of the United Kingdom. Journey about 257 kilometres northwest to Manchester to check off its must-visit sights. From Manchester United Museum & Stadium Tour to The Homes of Football and Museum of Science and Industry, you've got a jam-packed schedule ahead.
Birmingham is another well-known destination in the United Kingdom and is around 153 kilometres northwest of London. No trip is complete without visiting Birmingham Museum & Art Gallery, Birmingham Hippodrome Theatre and Bournville Experience.