Question 1

Which layover airport offers the lowest fares from London to Las Vegas?

Accepted Answer

Flights via Calgary (YYC) offer the lowest average round-trip price of $192.

Question 2

Can stopping save me money on London to Las Vegas flights?

Accepted Answer

You could potentially save up to 35% on your flight if you consider stops on a London to Las Vegas flight.

Question 3

Which layover airport has the shortest travel time from London to Las Vegas?

Accepted Answer

Flights connecting via Dublin (DUB) have the shortest average one-way travel time: 13h 35m.

Question 4

What is the most punctual flight time for London to Las Vegas flights?

Accepted Answer

Generally, flights departing in the morning tend to experience fewer delays. Flights in the early afternoon have, in the past, seen delays more frequently in comparison.

Question 5

How have London to Las Vegas flight prices changed over time?

Accepted Answer

As of December 2025, prices for London to Las Vegas flights are approximately 22% cheaper when compared to flights at the same time last year.

Question 6

How many flights depart from London to Las Vegas on average per week?

Accepted Answer

As of December 2025, 47 flights take off from London and land in Las Vegas each week. The most common flight departure day for this route is Mon, with 19% of weekly flights taking off on this day.

Question 7

What cabin class options are available on London to Las Vegas Harry Reid Intl flights?

Accepted Answer

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.

Question 8

What is the cheapest airline that flies from London to Las Vegas Harry Reid Intl?

Accepted Answer

WestJet is the most popular carrier operating from London to Las Vegas Harry Reid Intl

Question 9

What is the cheapest London to Las Vegas Harry Reid Intl flight route?

Accepted Answer

Fly from London Heathrow to Las Vegas Harry Reid Intl for the best London - Las Vegas Harry Reid Intl flight prices

Question 10

How far in advance should I book a flight to Las Vegas?

Accepted Answer

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 $881 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 $821 on momondo.

Question 11

What day of the week experiences the fewest flight delays on this route?

Accepted Answer

Tuesday is statistically the day of the week which experiences the fewest number of delays on this flight route. Sunday has historically seen more delays on average compared to the rest of the week.

Question 12

What is the typical price of a round-trip flight between London and Las Vegas?

Accepted Answer

Prices are currently low for flights on this route.Typical prices usually range from $735 to $1,100.
The lowest price recently found on this route was $627.

Question 13

Which airport is the most popular layover for flights between London and Las Vegas?

Accepted Answer

Calgary (YYC) was the most common stop: 50% of momondo users choosing 1-stop flights on this route connected there.

Question 14

What is the cheapest time of day to depart on your flight to Las Vegas?

Accepted Answer

The cheapest time of day to fly to Las Vegas is in the morning when flights can be purchased for as low as $803. Flights to Las Vegas are more costly in the afternoon, with an average ticket price of $973. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

Question 15

What airlines fly to Las Vegas?

Accepted Answer

British Airways, Virgin Atlantic and Delta are the top three most popular airlines that fly to Las Vegas from London according to our data. British Airways is the first choice among our users, with 45% of people opting to fly with this airline when traveling to Las Vegas. Keep in mind that there are 5 different airlines that fly to Las Vegas on a routine basis, so you have a few additional options to choose from.

Question 16

How often are flights from London to Las Vegas delayed?

Accepted Answer

Historically, on average around 17% of flights between London and Las Vegas have experienced a delay on any given week. The average delay length over the past 12 months has been 122 minutes.

Question 17

Which airline has the best punctuality record on London to Las Vegas flights?

Accepted Answer

According to our data, American Airlines have had the least number of delays on this route over the last 12 months; with about 11% of their flights experiencing any sort of delay.

Question 18

What is the cheapest month to fly to Las Vegas?

Accepted Answer

The month of February is, on average, the cheapest month to fly to Las Vegas from London, with most prices found around $716. The month of January is another great option to travel to Las Vegas, with average flight prices from London averaging around $746.

Question 19

How many flights depart from London to Las Vegas on average per day?

Accepted Answer

The number of flights available between London and Las Vegas is 6 per day as of December 2025. The most frequent departure time is 4:00PM, with 100% of daily flights leaving in the afternoon.

Question 20

Which layover airport has the shortest connection time from London to Las Vegas?

Accepted Answer

Dublin (DUB) has the shortest average layover time for this route: 1h 33m.

Question 21

What is the cheapest day to depart on your flight to Las Vegas?

Accepted Answer

Our data shows that Tuesday is the least expensive day to fly to Las Vegas. Tickets to fly out on this day can be as low as $875. Flights from London to Las Vegas on a Sunday will generally be more expensive and average around $992. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

Question 22

When did momondo last update prices for flights from London to Las Vegas Harry Reid Intl Airport?

Accepted Answer

Prices for flights from London to Las Vegas Harry Reid Intl Airport are refreshed on a daily basis.

Question 23

How many operators does momondo search for flights from London to Las Vegas Harry Reid Intl Airport?

Accepted Answer

There are 5 operators available for flights from London to Las Vegas Harry Reid Intl Airport as of December 2025.

Question 24

How old do you have to be to fly from London to Las Vegas Harry Reid Intl Airport?

Accepted Answer

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.

Question 25

What documentation or ID do you need to fly to Las Vegas Harry Reid Intl Airport?

Accepted Answer

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.

Best Price Found	$749
Fastest flight time	10h 40m
Direct flights	Every day
Airports in Las Vegas	1 airport

Airline	Rating	Free Cancellation	Price
Virgin Atlantic	PriceFrom $651	Free Cancellation	Rating 7.5 675 reviews	Search Virgin Atlantic flights
American Airlines	PriceFrom $652	Free Cancellation	Rating 7.2 11,049 reviews	Search American Airlines flights
British Airways	PriceFrom $685	Free Cancellation	Rating 6.7 7,571 reviews	Search British Airways flights
Delta	PriceFrom $693	Free Cancellation	Rating 7.9 8,005 reviews	Search Delta flights
Iberia	PriceFrom $763	Free Cancellation	Rating 7.0 3,045 reviews	Search Iberia flights

Cheap flights from London to Las Vegas from $456

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 1/10. 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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