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Cheap flights from London Heathrow to Las Vegas

Travelers and cabin class

Compare London Heathrow to Las Vegas flight deals

Find the cheapest month or even day of the year to fly to Las Vegas

Book the best Las Vegas fare with no extra fees

Flight deals from London Heathrow to Las Vegas

Looking for a cheap last-minute deal or the best round-trip flight from London Heathrow to Las Vegas? Find the lowest prices on one-way and round-trip tickets right here.
Las Vegas.C$871 per passenger.Departing Thu, May 8, returning Tue, May 13.Round-trip flight with Austrian Airlines and Spirit Airlines.Outbound indirect flight with Austrian Airlines, departing from London Heathrow on Thu, May 8, arriving in Las Vegas Harry Reid International.Inbound indirect flight with Spirit Airlines, departing from Las Vegas Harry Reid International on Tue, May 13, arriving in London Heathrow.Price includes taxes and charges.From C$871, select.
Las Vegas.C$874 per passenger.Departing Tue, May 20, returning Tue, Aug 19.Round-trip flight with Vueling Airlines and Porter Airlines (Canada) Ltd.Outbound indirect flight with Vueling Airlines, departing from London Heathrow on Tue, May 20, arriving in Las Vegas Harry Reid International.Inbound indirect flight with Porter Airlines (Canada) Ltd, departing from Las Vegas Harry Reid International on Tue, Aug 19, arriving in London Heathrow.Price includes taxes and charges.From C$874, select.
Las Vegas.C$913 per passenger.Departing Wed, Jun 4, returning Mon, Jun 16.Round-trip flight with Vueling Airlines and WestJet.Outbound indirect flight with Vueling Airlines, departing from London Heathrow on Wed, Jun 4, arriving in Las Vegas Harry Reid International.Inbound indirect flight with WestJet, departing from Las Vegas Harry Reid International on Mon, Jun 16, arriving in London Heathrow.Price includes taxes and charges.From C$913, select.
Las Vegas.C$928 per passenger.Departing Tue, Sep 9, returning Tue, Sep 16.Round-trip flight with Finnair and Spirit Airlines.Outbound indirect flight with Finnair, departing from London Heathrow on Tue, Sep 9, arriving in Las Vegas Harry Reid International.Inbound indirect flight with Spirit Airlines, departing from Las Vegas Harry Reid International on Tue, Sep 16, arriving in London Heathrow.Price includes taxes and charges.From C$928, select.
Las Vegas.C$940 per passenger.Departing Fri, May 30, returning Mon, Jul 28.Round-trip flight with British Airways and Hawaiian Airlines.Outbound indirect flight with British Airways, departing from London Heathrow on Fri, May 30, arriving in Las Vegas Harry Reid International.Inbound indirect flight with Hawaiian Airlines, departing from Las Vegas Harry Reid International on Mon, Jul 28, arriving in London Heathrow.Price includes taxes and charges.From C$940, select.
Las Vegas.C$950 per passenger.Departing Tue, Sep 30, returning Tue, Oct 14.Round-trip flight with TAP Air Portugal and Hawaiian Airlines.Outbound indirect flight with TAP Air Portugal, departing from London Heathrow on Tue, Sep 30, arriving in Las Vegas Harry Reid International.Inbound indirect flight with Hawaiian Airlines, departing from Las Vegas Harry Reid International on Tue, Oct 14, arriving in London Heathrow.Price includes taxes and charges.From C$950, select.
Las Vegas.C$951 per passenger.Departing Tue, Oct 7, returning Tue, Oct 14.Round-trip flight with TAP Air Portugal and Hawaiian Airlines.Outbound indirect flight with TAP Air Portugal, departing from London Heathrow on Tue, Oct 7, arriving in Las Vegas Harry Reid International.Inbound indirect flight with Hawaiian Airlines, departing from Las Vegas Harry Reid International on Tue, Oct 14, arriving in London Heathrow.Price includes taxes and charges.From C$951, select.
Las Vegas.C$957 per passenger.Departing Wed, Nov 12, returning Wed, Nov 19.Round-trip flight with Scandinavian Airlines and Hawaiian Airlines.Outbound indirect flight with Scandinavian Airlines, departing from London Heathrow on Wed, Nov 12, arriving in Las Vegas Harry Reid International.Inbound indirect flight with Hawaiian Airlines, departing from Las Vegas Harry Reid International on Wed, Nov 19, arriving in London Heathrow.Price includes taxes and charges.From C$957, select.

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

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like London Heathrow to Las Vegas flights are currently cheapest in May.
Apr
from C$2,286
May
from C$871
Jun
from C$913
Jul
from C$1,029
Aug
from C$1,062
Sep
from C$928
Oct
from C$951
Nov
from C$957
Dec
from C$1,009
Jan
from C$1,003
Feb
from C$1,001
Mar
from C$1,003

Direct flights from London Heathrow to Las Vegas

Alternative London Heathrow to Las Vegas routes

Looking for the cheapest, fastest or easiest route from London Heathrow to Las Vegas? You could fly into the following airports instead.

London to Las Vegas: Flight information

The things to know before you go.
Cheapest flight foundC$871
Cheapest month to flyMay
Average flight time10 hrs, 45 mins
Most popular airlineKLM
Average flights per week78

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

There are 4 airports in Las Vegas: Las Vegas North Air Terminal, Las Vegas Harry Reid International, Las Vegas Henderson Sky Harbor, and Boulder City.
The best price we found for a round-trip flight from London Heathrow to Las Vegas is C$871. 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.
10 hours and 45 minutes is the average flight time from London Heathrow to Las Vegas.
KLM, Aer Lingus and American Airlines fly direct from London Heathrow to Las Vegas.
There are 78 flights per week flying from London Heathrow to Las Vegas, as of April 2025.
The cheapest month to fly from London Heathrow to Las Vegas is usually April 2025.
If you're flying from London Heathrow Airport, the cheapest airport near Las Vegas is Las Vegas Harry Reid International – which is 4.3 km away from the center of Las Vegas. We've found flights to this airport from C$871.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from London Heathrow Airport to Las Vegas on Thursday, May 8, 2025.
Yes – the average flight time is 10 hours and 45 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 Las Vegas 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 Las Vegas is around 40 days in advance, so don’t leave your flight to the last minute.
In April, the average temperature is usually around 15°C. July is typically the warmest month in Las Vegas, when it usually averages around 37°C. You can expect the least rain in June. The coldest month is December, with temperatures averaging -0°C. The rainiest month is February.
Currently, Austrian Airlines and Delta offer the cheapest flight tickets to Las Vegas.

How to find cheap flights to Las Vegas from London Heathrow

Looking for cheap tickets from London Heathrow to Las Vegas? Here are a few tips on how to secure the best flight price and make your journey as smooth as possible.

  • Simply hit "search." From Delta Air Lines to international carriers like Emirates, we compare all major airlines along with the most popular online travel agents to find the cheapest plane tickets from London Heathrow to Las Vegas. And with us, there are no hidden fees – what you see is what you pay.
  • Compare flight deals to Las Vegas from London Heathrow from over 1,000 providers. Then choose the cheapest plane tickets or fastest journeys.
  • Flex your dates to find the best London Heathrow–Las Vegas ticket prices. If you're flexible when it comes to your travel dates, use Skyscanner's "Whole month" tool to find the cheapest month, and even day to fly to Las Vegas from London Heathrow.
  • Set up a Price Alert. You can easily track the fare of your cheap London Heathrow–Las Vegas flights by creating an alert. Whenever prices go down or up, you'll get an email or push notification to help make sure you get the best possible flight deal.
  • Fly without stops. Only interested in direct flights between London Heathrow and Las Vegas? Make sure to tick "Direct flights only" when performing a search. If there are direct flights available on the route, these will appear in the results.
  • Find the cheapest Business Class flights from London Heathrow and Las Vegas. We scour the Internet for the best Business, Premium Economy and First Class flight fares to Las Vegas, too. Check the difference in price as you search – you might just stumble on a last-minute low fare. Note that not all cabin classes are available for every destination or airline.
  • Include nearby airports in your search. Widen your search for London Heathrow to Las Vegas flight deals by selecting the "add nearby airports" option. This will allow you to see flight prices for all the nearest airports at your departure point and your destination and could help you save the next time you travel.

    • Combine your flight to Las Vegas from London Heathrow with hotels and car rental

    Once you've secured your cheap flight ticket from London Heathrow to Las Vegas, discover the best prices and exclusive rates for hotels in Las Vegas or nearby. You can also compare hundreds of car rental companies at once so you get the best car rental price for your trip.


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Plan the rest of your trip from London to Las Vegas

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