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Cheap flights from Las Vegas Harry Reid International to London Heathrow

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Compare Las Vegas Harry Reid International 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 Harry Reid International to London Heathrow

Looking for a cheap last-minute deal or the best return flight from Las Vegas Harry Reid International to London Heathrow? Find the lowest prices on one-way and return tickets right here.
London.P34,345 per passenger.Departing Tue, 1 Apr, returning Wed, 30 Apr.Return flight with Frontier Airlines and British Airways.Outbound indirect flight with Frontier Airlines, departs from Las Vegas Harry Reid International on Tue, 1 Apr, arriving in London Heathrow.Inbound indirect flight with British Airways, departs from London Heathrow on Wed, 30 Apr, arriving in Las Vegas Harry Reid International.Price includes taxes and charges.From P34,345, select.
London.P36,230 per passenger.Departing Wed, 19 Mar, returning Thu, 27 Mar.Return flight with Air Canada and SWISS.Outbound indirect flight with Air Canada, departs from Las Vegas Harry Reid International on Wed, 19 Mar, arriving in London Heathrow.Inbound indirect flight with SWISS, departs from London Heathrow on Thu, 27 Mar, arriving in Las Vegas Harry Reid International.Price includes taxes and charges.From P36,230, select.
London.P37,745 per passenger.Departing Tue, 15 Apr, returning Tue, 22 Apr.Return flight with Finnair.Outbound direct flight with Finnair departs from Las Vegas Harry Reid International on Tue, 15 Apr, arriving in London Heathrow.Inbound direct flight with Finnair departs from London Heathrow on Tue, 22 Apr, arriving in Las Vegas Harry Reid International.Price includes taxes and charges.From P37,745, select.
London.P37,749 per passenger.Departing Tue, 28 Oct, returning Tue, 4 Nov.Return flight with Aer Lingus.Outbound indirect flight with Aer Lingus, departs from Las Vegas Harry Reid International on Tue, 28 Oct, arriving in London Heathrow.Inbound indirect flight with Aer Lingus, departs from London Heathrow on Tue, 4 Nov, arriving in Las Vegas Harry Reid International.Price includes taxes and charges.From P37,749, select.
London.P37,899 per passenger.Departing Tue, 30 Sep, returning Tue, 7 Oct.Return flight with Delta.Outbound indirect flight with Delta, departs from Las Vegas Harry Reid International on Tue, 30 Sep, arriving in London Heathrow.Inbound indirect flight with Delta, departs from London Heathrow on Tue, 7 Oct, arriving in Las Vegas Harry Reid International.Price includes taxes and charges.From P37,899, select.
London.P37,925 per passenger.Departing Wed, 30 Apr, returning Wed, 7 May.Return flight with Delta.Outbound indirect flight with Delta, departs from Las Vegas Harry Reid International on Wed, 30 Apr, arriving in London Heathrow.Inbound indirect flight with Delta, departs from London Heathrow on Wed, 7 May, arriving in Las Vegas Harry Reid International.Price includes taxes and charges.From P37,925, select.
London.P38,159 per passenger.Departing Sun, 23 Mar, returning Fri, 4 Apr.Return flight with Air Canada.Outbound indirect flight with Air Canada, departs from Las Vegas Harry Reid International on Sun, 23 Mar, arriving in London Heathrow.Inbound indirect flight with Air Canada, departs from London Heathrow on Fri, 4 Apr, arriving in Las Vegas Harry Reid International.Price includes taxes and charges.From P38,159, select.
London.P38,159 per passenger.Departing Tue, 30 Sep, returning Wed, 22 Oct.Return flight with British Airways.Outbound direct flight with British Airways departs from Las Vegas Harry Reid International on Tue, 30 Sep, arriving in London Heathrow.Inbound direct flight with British Airways departs from London Heathrow on Wed, 22 Oct, arriving in Las Vegas Harry Reid International.Price includes taxes and charges.From P38,159, select.

Find the cheapest month to fly from Las Vegas 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 Las Vegas Harry Reid International to London Heathrow flights are currently cheapest in April.
Mar
from P36,230
Apr
from P34,345
May
from P39,834
Jun
from P55,498
Jul
from P55,567
Aug
from P57,174
Sep
from P38,314
Oct
from P38,499
Nov
from P41,235
Dec
from P46,202
Jan
from P43,280
Feb
Find prices

Direct flights from Las Vegas Harry Reid International to London Heathrow

Las Vegas Harry Reid International to London Heathrow: Alternative routes

Compare routes from Las Vegas 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 foundP34,345
Cheapest month to flyApril
Average flight time9 hrs, 58 mins
Most popular airlineKLM
Average flights per week81

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

The best price we found for a return flight from Las Vegas Harry Reid International to London Heathrow is P34,345. 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 58 minutes is the average flight time from Las Vegas Harry Reid International to London Heathrow.
KLM, Aer Lingus and American Airlines fly direct from Las Vegas Harry Reid International to London Heathrow.
As of March 2025, there are 81 flights per week flying from Las Vegas Harry Reid International to London Heathrow.
The cheapest month to fly from Las Vegas Harry Reid International to London Heathrow is usually March 2025.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Las Vegas Harry Reid International Airport to London Heathrow Airport on Tuesday, 1 April 2025.
Yes – the average flight time is 9 hours and 58 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, Frontier Airlines and Finnair offer the cheapest flight tickets to London Heathrow.

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

  • 10 hours 18 minutes is the average duration of a direct flight from Harry Reid Airport (formerly McCarran Airport) to London Heathrow Airport. London is 7 hours ahead of Las Vegas and operates on the UTC+0 timezone.

  • Choose from 19 weekly flights from Harry Reid Airport (formerly McCarran Airport) to London Heathrow Airport. The 14:00 departure with Virgin Atlantic is the earliest flight available between LAS and LHR. British Airways operates the last service of the day at 22:10 if early mornings aren't your thing.

  • During popular months like October, it's a good idea to get to the airport well in advance. Plan to arrive two hours before domestic departures and four hours ahead of international flights whenever you're travelling during a peak period in general.

  • British Airways has direct flights from Harry Reid Airport (formerly McCarran Airport) to London Heathrow Airport. Book with this popular airline, and get ready to tick off the sights in London — and maybe even more of United Kingdom if your schedule allows.

  • If you prefer a stopover for your flight from Harry Reid Airport (formerly McCarran Airport) to London Heathrow Airport, just deselect 'Direct flights only' and check out your options. Here are the top stopovers between LAS and LHR:

    • Phoenix Sky Harbour International Airport

    • Minneapolis-St. Paul International Airport

    • Los Angeles International Airport

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

  • The best price we've seen for a one-way ticket from Harry Reid Airport (formerly McCarran Airport) to London Heathrow Airport is P16,792. The cheapest price for a return flight is P34,345. Keep in mind that fares can change due to availability when booking.

  • Book 3 months before you travel. After crunching the numbers on our calendar, this is how far you'll want to book ahead to find cheap tickets from LAS to LHR.

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

  • Create a Price Alert for cheap tickets from LAS to LHR. You don't need to search every day to see if prices have dropped. We'll let you know when there's a change in price.

  • Use filters to tailor your flights from Harry Reid Airport (formerly McCarran Airport) to London Heathrow Airport. Pick your preferred arrival and departure times, number of stops and airlines. Or sort your results by 'Cheapest' to see the best deals.

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

  • Travelling from central Las Vegas to Harry Reid Airport (formerly McCarran Airport) takes around 1 hour by public transport. If you drive, ride-share or get a cab, you'll cover the 19 kilometres in 15 minutes or so, depending on traffic.

  • After an easy way to start to your break? Stay near LAS. Whether you're taking an early flight from Harry Reid Airport (formerly McCarran Airport) to London Heathrow Airport or want to avoid feeling rushed, these stays have you covered:

Arriving at London Heathrow Airport (LHR)

Getting from London Heathrow Airport (LHR) to central London

  • London Heathrow Airport is approximately 31 kilometres from central London. With your own car rental or if you take a cab, the drive is around 57 minutes.

  • If you're using public transport, expect a journey of roughly 1 hour and 1 minute.

When to fly to London Heathrow Airport (LHR)

  • It's time to plan your trip dates for your flight from Harry Reid Airport (formerly McCarran Airport) to London Heathrow Airport. July is the most popular month to visit London. If you want a more peaceful vibe, go in February.

  • When booking your flight from Harry Reid Airport (formerly McCarran Airport) to London Heathrow Airport, consider the kind of weather you like. July is the warmest month in London, with temperatures ranging from 11 ºC to 26 ºC.

  • If you want cooler conditions, search for a cheap ticket from LAS to LHR in January. Average temperatures are between 0 ºC and 9 ºC then.

More about London

Complete your London trip with hotels and a car rental

  • We don't just compare flights. Once you've booked your cheap ticket to London Heathrow Airport, check out our car rental deals that'll give you the flexibility and freedom to see the sights at your own pace. Then, have a look at our exclusive rates for hotels to find the ideal London stay.

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Prices shown on this page are estimated lowest prices only. Found in the last 45 days.