Question 1

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

Accepted Answer

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

Question 2

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 Heathrow Airport 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 3

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 4

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

Accepted Answer

Flights via Calgary (YYC) offer the lowest average round-trip price of $529.

Question 5

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

Accepted Answer

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

Question 6

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 $978. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

Question 7

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 Heathrow Airport 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 Heathrow Airport for as low as $821 on momondo.

Question 8

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 9

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

Accepted Answer

As of December 2025, 7 flights take off from London Heathrow Airport and land in Las Vegas each day. The most common flight departure time for this route is 4:00PM, with 100% of daily flights taking off in the afternoon.

Question 10

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 11

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

Accepted Answer

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

Question 12

How often are flights from London to Las Vegas delayed?

Accepted Answer

Historically, on average around 16% 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 123 minutes.

Question 13

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

Accepted Answer

You could potentially save up to 3% on your flight if you consider stops on a London Heathrow Airport to Las Vegas flight.

Question 14

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

Accepted Answer

As of December 2025, 55 flights take off from London Heathrow Airport and land in Las Vegas each week. The most common flight departure day for this route is Mon, with 16% of weekly flights taking off on this day.

Question 15

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

Accepted Answer

As of December 2025, prices for London Heathrow Airport to Las Vegas flights are approximately 35% cheaper when compared to flights at the same time last year.

Question 16

What is the cheapest month to fly to Las Vegas?

Accepted Answer

The month of January is, on average, the cheapest month to fly to Las Vegas from London Heathrow Airport, with most prices found around $762. The month of February is another great option to travel to Las Vegas, with average flight prices from London Heathrow Airport averaging around $786.

Question 17

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 $891. Flights from London Heathrow Airport to Las Vegas on a Sunday will generally be more expensive and average around $1,010. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

Question 18

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

Accepted Answer

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.

Question 19

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

Accepted Answer

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

Question 20

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

Accepted Answer

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

Question 21

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

Accepted Answer

Prices for flights from London Heathrow Airport to Las Vegas Harry Reid Intl Airport are updated daily.

Question 22

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

Accepted Answer

The number of operators available for flights from London Heathrow Airport to Las Vegas Harry Reid Intl Airport is 5 as of December 2025.

Question 23

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

Accepted Answer

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.

Question 24

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	$755
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 $680	Free Cancellation	Rating 6.7 7,578 reviews	Search British Airways flights
Delta	PriceFrom $693	Free Cancellation	Rating 7.9 8,010 reviews	Search Delta flights
Iberia	PriceFrom $763	Free Cancellation	Rating 7.0 3,052 reviews	Search Iberia flights

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How to get the cheapest flight ticket from London Heathrow Airport to Las Vegas

What is the cheapest month to fly to Las Vegas?

The month of January is, on average, the cheapest month to fly to Las Vegas from London Heathrow Airport, with most prices found around $762. The month of February is another great option to travel to Las Vegas, with average flight prices from London Heathrow Airport averaging around $786.

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

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

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?

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?

You could potentially save up to 3% on your flight if you consider stops on a London Heathrow Airport to Las Vegas flight.

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

As of December 2025, prices for London Heathrow Airport to Las Vegas flights are approximately 35% 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?

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

What airlines fly to Las Vegas?

How often are flights from London to Las Vegas delayed?

Historically, on average around 16% 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 123 minutes.

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

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.

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

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.

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

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.

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

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

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

Flights via Calgary (YYC) offer the lowest average round-trip price of $529.

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

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

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

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

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

As of December 2025, 7 flights take off from London Heathrow Airport and land in Las Vegas each day. The most common flight departure time for this route is 4:00PM, with 100% of daily flights taking off in the afternoon.

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

As of December 2025, 55 flights take off from London Heathrow Airport and land in Las Vegas each week. The most common flight departure day for this route is Mon, with 16% 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

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

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

How old do you have to be to fly 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?

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What is the most popular airline from London Heathrow Airport to Las Vegas?

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