Cheap flights from London to Las Vegas from £188
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 20/9. 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?
In general, February is the cheapest month to fly from London to Las Vegas. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £447. If you’re not able to fly to Las Vegas in February, then January is your next best option. Flight prices from London to Las Vegas during January average around £474.
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 £520. 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 because it is more convenient for both business and leisure travellers. As a result, prices tend to be around £675.
What is the cheapest time of day to depart on your flight to Las Vegas?
Our data shows that the cheapest London 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 £445. Flights to Las Vegas are more costly in the afternoon, with an average ticket price of £655. 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 Gatwick 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 £658 when searching weeks before you fly. 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 £598 on momondo.
What cabin class options are available on London to Las Vegas Harry Reid Intl flights?
There are 3 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 3% 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?
As of July 2025, there are 7 flights per day flying from London to Las Vegas. The most common time of day flights depart is 16:00, with 100% of flights taking off in the afternoon.
How many flights depart from London to Las Vegas on average per week?
The number of flights available between London and Las Vegas is 51 per week as of July 2025. The most frequent departure day is Mon, with 18% of weekly flights leaving 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. 13h 55m is a normal flight duration for this route.
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?
The number of operators available for flights from London to Las Vegas Harry Reid Intl Airport is 18 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?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from London to Las Vegas is Airbus A350-1000 (41.61% of total bookings). The next most popular plane models are Boeing 787-9 Dreamliner (37.80%), Boeing 777 (14.61%), and ATR 42 / ATR 72 (1.87%).
What is the most popular airline from London to Las Vegas?
Based on momondo bookings for this flight route, the most popular airline on flight routes from London to Las Vegas is British Airways (29% of total bookings). The next most popular airlines are Norse Atlantic UK (22%), Virgin Atlantic (21%), and Finnair (9%).
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 £239 | Free Cancellation | Rating 7.2 47 reviews | |||
| PriceFrom £328 | Free Cancellation | Rating 7.8 407 reviews | |||
| PriceFrom £386 | Free Cancellation | Rating 7.2 2,915 reviews | |||
| PriceFrom £413 | Free Cancellation | Rating 7.4 8,844 reviews | |||
| PriceFrom £415 | Free Cancellation | Rating 7.6 1,304 reviews | |||
| PriceFrom £418 | Free Cancellation | Rating 7.1 9,681 reviews | |||
| PriceFrom £442 | Free Cancellation | Rating 7.0 514 reviews | |||
| PriceFrom £457 | Free Cancellation | Rating 6.8 7,207 reviews | |||
| PriceFrom £464 | Free Cancellation | Rating 6.6 7,093 reviews | |||
| PriceFrom £472 | Free Cancellation | Rating 7.4 652 reviews |
Delta Flights From London to Las Vegas
Delta operates around 7 flights from London to Las Vegas every week. The average price of these flights found in the last 72 hours has been £1,068, but momondo users have found Delta deals from London to Las Vegas from as low as £681 round-trip. Delta has been scored 8.0/10 in 7,982 reviews.
KLM Flights From London to Las Vegas
KLM (7.8/10 from 1,367 reviews) operates around 7 flights from London to Las Vegas in any given week. The average KLM airfare for this route is around £896, with deals from around £672 rare but found on momondo. Referenced prices are for round-trip London to Las Vegas flight searches in the last 72 hours.
Travelling to a place near Las Vegas?
Book flights to Las Vegas if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from London to Las Vegas?
It is quick and easy to find London to Las Vegas flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Las Vegas that suits you.
Can I find flights from London to Las Vegas with flexible booking policies on momondo?
Yes. momondo enables you to select and highlight flights to Las Vegas from London with this policy.
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?
Yes. momondo can track prices for London to Las Vegas flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.