Cheap flights from London to Las Vegas from $256
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 to Las Vegas departing on 9/20. 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 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?
The month of February is, on average, the cheapest month to fly to Las Vegas from London, with most prices found around $610. The month of January is another great option to travel to Las Vegas, with average flight prices from London averaging around $647.
What is the cheapest day to depart on your flight to Las Vegas?
Our data shows that Sunday is the least expensive day to fly to Las Vegas. Tickets to fly out on this day can be as low as $767. Flights from London to Las Vegas on a Monday will generally be more expensive and average around $950. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.
What is the cheapest time of day to depart on your flight to Las Vegas?
The cheapest time of day to fly to Las Vegas is in the morning when flights can be purchased for as low as $647. Flights to Las Vegas are more costly in the afternoon, with an average ticket price of $956. 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 to Las Vegas Harry Reid Intl flight route?
Fly from London Heathrow to Las Vegas Harry Reid Intl for the best London - 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 when booking weeks ahead of your departure date. In general, you can expect to find flights to Las Vegas for around $898 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Las Vegas from London for as low as $816 on momondo.
What cabin class options are available on London to Las Vegas Harry Reid Intl flights?
There are 4 cabin classes available to choose from on London 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 to Las Vegas flights?
You could potentially save up to 33% on your flight if you consider stops on a London to Las Vegas flight.
How have London to Las Vegas flight prices changed over time?
As of July 2025, prices for London to Las Vegas flights are approximately 1% cheaper when compared to flights at the same time last year.
How many flights depart from London to Las Vegas on average per day?
The number of flights available between London and Las Vegas is 7 per day as of July 2025. The most frequent departure time is 4:00PM, with 100% of daily flights leaving in the afternoon.
How many flights depart from London to Las Vegas on average per week?
As of July 2025, 51 flights take off from London and land in Las Vegas each week. The most common flight departure day for this route is Mon, with 18% of weekly flights taking off on this day.
When to book flights from London to Las Vegas
Cheap London to Las Vegas (LON to LAS) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from London to Las Vegas
How far is London to Las Vegas Harry Reid Intl by plane?
Las Vegas Harry Reid Intl is 5216.7 mi away from London. By plane, this route typically takes 12h 50m.
When did momondo last update prices for flights from London to Las Vegas Harry Reid Intl Airport?
Prices for flights from London to Las Vegas Harry Reid Intl Airport are refreshed on a daily basis.
How many operators does momondo search for flights from London to Las Vegas Harry Reid Intl Airport?
There are 6 operators available for flights from London to Las Vegas Harry Reid Intl Airport as of July 2025.
How old do you have to be to fly from London to Las Vegas Harry Reid Intl Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London 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 required for your trip to Las Vegas Harry Reid Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Las Vegas Harry Reid Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from London to Las Vegas?
momondo data reveals that the most frequently booked plane model on the route from London to Las Vegas is Airbus A350-1000, representing 41.61% of all bookings. The subsequent popular models are Boeing 787-9 Dreamliner at 37.80%, Boeing 777 at 14.61%, and ATR 42 / ATR 72 at 1.87%.
What is the most popular airline from London to Las Vegas?
momondo data reveals that the most frequently booked airline on the route from London to Las Vegas is British Airways, representing 37% of all bookings. The subsequent popular airlines are Norse Atlantic UK at 33%, Delta at 10%, and Virgin Atlantic at 8%.
Best airlines flying from London to Las Vegas
Compare and see reviews for airlines that fly from London to Las Vegas with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $361 | Free Cancellation | Rating 7.2 47 reviews | |||
| PriceFrom $595 | Free Cancellation | Rating 6.6 7,093 reviews | |||
| PriceFrom $616 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $693 | Free Cancellation | Rating 8.0 7,982 reviews | |||
| PriceFrom $706 | Free Cancellation | Rating 7.0 2,820 reviews | |||
| PriceFrom $707 | Free Cancellation | Rating 7.4 654 reviews |
Delta Flights From London to Las Vegas
The lowest priced Delta flight from London to Las Vegas from the last 72 hours was $693. Generally, Delta has 7 flights on this route every week with an average price of $874. Delta is rated 8.0/10 by our users.
Virgin Atlantic Flights From London to Las Vegas
Virgin Atlantic is also a popular choice for this route. Virgin Atlantic flight deals for London to Las Vegas start from as low as $707 round-trip, depending on your selected dates, with average Virgin Atlantic deals seen on momondo around $931. Virgin Atlantic operates 7 flights to Las Vegas from London in an average week. Users have rated it 7.4/10 across 654 reviews.
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Why should I use momondo to find a flight deal from London to Las Vegas?
We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from London to Las Vegas for you.
Can I find flights from London to Las Vegas with flexible booking policies on momondo?
Yes. momondo allows you to filter the results for London to Las Vegas flights to just show those with flexible booking policies.
How can momondo help me find flights from London to Las Vegas?
Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Las Vegas from London.
I’m not ready to book a flight from London to Las Vegas right now. Can momondo alert me if prices change?
Of course. momondo tracks the price of London to Las Vegas flights. All you need is a valid email address and we will do the rest; it is that quick and easy.