Cheap flights from London Heathrow Airport to Las Vegas from £259
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London Heathrow Airport to Las Vegas departing on 18/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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How to get the cheapest flight ticket from London Heathrow Airport to Las Vegas
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Las Vegas?
In general, February is the cheapest month to fly from London Heathrow Airport to Las Vegas. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £560. If you’re not able to fly to Las Vegas in February, then January is your next best option. Flight prices from London Heathrow Airport to Las Vegas during January average around £573.
What is the cheapest day to depart on your flight to Las Vegas?
The cheapest day to depart on your flight to Las Vegas is on a Tuesday when prices can be found for as low as £504. This is often the case because there is less demand to fly during this day of the week. On the other hand, Monday is the most expensive day to depart from London Heathrow Airport because it is more convenient for both business and leisure travellers. As a result, prices tend to be around £677.
What is the cheapest time of day to depart on your flight to Las Vegas?
Our data shows that the cheapest London Heathrow Airport to Las Vegas flights are usually those with departure times in the morning. Our users have found flights to Las Vegas in the morning for as low as £440. Flights to Las Vegas are more costly in the afternoon, with an average ticket price of £659. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.
What is the cheapest London Heathrow to Las Vegas Harry Reid Intl flight route?
Fly from London Heathrow to Las Vegas Harry Reid Intl for the best London Heathrow - Las Vegas Harry Reid Intl flight prices
How far in advance should I book a flight to Las Vegas?
You are more likely to see cheaper flights to Las Vegas from London Heathrow Airport when booking 23 weeks ahead of your departure date. In general, you can expect to find flights to Las Vegas for around £662 when searching 23 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Las Vegas from London Heathrow Airport for as low as £603 on momondo.
What cabin class options are available on London Heathrow to Las Vegas Harry Reid Intl flights?
There are 3 cabin classes available to choose from on London Heathrow to Las Vegas Harry Reid Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
Can stopping save me money on London Heathrow Airport to Las Vegas flights?
No. A direct flight is the cheapest option for a flight between London Heathrow Airport to Las Vegas.
How have London Heathrow Airport to Las Vegas flight prices changed over time?
As of June 2025, prices for London Heathrow Airport to Las Vegas flights are approximately 23% cheaper when compared to flights at the same time last year.
What is the cheapest airline that flies from London Heathrow to Las Vegas Harry Reid Intl?
Aer Lingus and WestJet are the most popular carriers operating from London Heathrow to Las Vegas Harry Reid Intl
Which airlines fly to Las Vegas?
Virgin Atlantic, British Airways and Finnair are the top three most popular airlines that fly to Las Vegas from London Heathrow Airport according to our data. Virgin Atlantic is the first choice among our users, with 40% of people opting to fly with this airline when travelling to Las Vegas. Keep in mind that there are 17 different airlines that fly to Las Vegas on a routine basis, so you have a few additional options to choose from.
How many flights depart from London Heathrow Airport to Las Vegas on average per day?
The number of flights available between London Heathrow Airport and Las Vegas is 8 per day as of June 2025. The most frequent departure time is 16:00, with 100% of daily flights leaving in the afternoon.
How many flights depart from London Heathrow Airport to Las Vegas on average per week?
As of June 2025, 60 flights take off from London Heathrow Airport and land in Las Vegas each week. The most common flight departure day for this route is Wed, with 20% of weekly flights taking off on this day.
When to book flights from London Heathrow Airport to Las Vegas
Cheap London Heathrow Airport to Las Vegas (LHR to LAS) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from London Heathrow Airport to Las Vegas
How far is London Heathrow to Las Vegas Harry Reid Intl by plane?
There are 5207.1 mi between London Heathrow and Las Vegas Harry Reid Intl. In terms of flight time, this usually takes a little over 10h 40m.
When did momondo last update prices for flights from London Heathrow Airport to Las Vegas Harry Reid Intl Airport?
Prices for flights from London Heathrow Airport to Las Vegas Harry Reid Intl Airport are refreshed on a daily basis.
How many operators does momondo search for flights from London Heathrow Airport to Las Vegas Harry Reid Intl Airport?
The number of operators available for flights from London Heathrow Airport to Las Vegas Harry Reid Intl Airport is 17 as of June 2025.
How old do you have to be to fly from London Heathrow Airport to Las Vegas Harry Reid Intl Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from London Heathrow Airport to Las Vegas Harry Reid Intl Airport.
What documentation or ID do you need to fly to Las Vegas Harry Reid Intl Airport?
The travel and health documents you'll need for your trip to Las Vegas Harry Reid Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Las Vegas Harry Reid Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from London Heathrow Airport to Las Vegas?
Based on momondo bookings for flights between London Heathrow Airport and Las Vegas, the leading plane model is Airbus A350-1000, making up 42.99% of the total bookings. Other popular models include Boeing 787-9 Dreamliner with 40.86%, Boeing 777 with 11.91%, and ATR 42 / ATR 72 with 1.28%.
What is the most popular airline from London Heathrow Airport to Las Vegas?
momondo data reveals that the most frequently booked airline on the route from London Heathrow Airport to Las Vegas is Virgin Atlantic, representing 32% of all bookings. The subsequent popular airlines are British Airways at 29%, Finnair at 11%, and KLM at 7%.
Best airlines flying from London Heathrow Airport to Las Vegas
Compare and see reviews for airlines that fly from London Heathrow Airport to Las Vegas with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom £296 | Free Cancellation | Rating 7.2 47 reviews | |||
| PriceFrom £387 | Free Cancellation | Rating 7.2 2,869 reviews | |||
| PriceFrom £415 | Free Cancellation | Rating 7.4 8,790 reviews | |||
| PriceFrom £419 | Free Cancellation | Rating 7.1 9,539 reviews | |||
| PriceFrom £444 | Free Cancellation | Rating 7.0 499 reviews | |||
| PriceFrom £453 | Free Cancellation | Rating 6.7 7,139 reviews | |||
| PriceFrom £466 | Free Cancellation | Rating 6.6 7,011 reviews | |||
| PriceFrom £482 | Free Cancellation | Rating 7.6 1,290 reviews | |||
| PriceFrom £484 | Free Cancellation | Rating 7.3 2,925 reviews | |||
| PriceFrom £485 | Free Cancellation | Rating 7.1 1,118 reviews |
Delta Flights From London Heathrow Airport to Las Vegas
Delta flies from London Heathrow Airport to Las Vegas around 7 times per week, with 7,946 momondo users rating the airline 8.0/10. The cheapest Delta deal from London Heathrow Airport to Las Vegas in the last 72 hours was £689 (round-trip), much lower than the average airfare cost of £1,070 for Delta flights on this route.
KLM Flights From London Heathrow Airport to Las Vegas
The best KLM deal for London Heathrow Airport to Las Vegas flight tickets found on momondo in the last 72 hours was £670, round-trip. It should be noted that an average KLM flight deal for this route in this time was higher, at £900 round-trip. KLM operates 7 flights out of London Heathrow Airport into Las Vegas in an average week, so prices vary by time and availability. 1,358 KLM reviews by users on momondo have scored the airline at 7.8/10.
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Why should I use momondo to find a flight deal from London to Las Vegas?
momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from London to Las Vegas . Millions of users trust and use momondo every year so you are in good hands.
Can I find flights from London to Las Vegas with flexible booking policies on momondo?
All flight searches from London to Las Vegas on momondo can be filtered to show those which offer flexible booking policies.
How can momondo help me find flights from London to Las Vegas?
Once all potential London to Las Vegas flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.
I’m not ready to book a flight from London to Las Vegas right now. Can momondo alert me if prices change?
If you are not ready to book a flight from London to Las Vegas now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Las Vegas and let you know when they change.