What are the cheapest airlines flying from London Heathrow Airport to Las Vegas round-trip?

British Airways, at $720, was found to be the cheapest airline from London Heathrow Airport to Las Vegas.Alternate airlines to your destination round-trip include Air Canada and United Airlines. British Airways is priced at 19% lower than the current average price of a flight leaving 3 months from now.

What are the cheapest airlines to fly from London Heathrow Airport to Las Vegas one-way?

To fly one-way, consider booking your trip with Aer Lingus, which is currently one of the cheapest options available, starting at $603. WestJet flights start at $678 while deals on British Airways start at $715 one-way.

What is the cheapest day to fly from London Heathrow Airport to Las Vegas?

Travelers seeking maximum savings on their London Heathrow Airport to Las Vegas flight should consider departing on Thursday at noon when fares are most often at their lowest. Thursday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

What are the cheapest flights from London Heathrow Airport to Las Vegas?

Looking at all options, your cheapest flight can be booked for $521. While the most popular route (London Heathrow - Las Vegas Harry Reid Intl) can be booked for $606 on average our data indicates $1,627 when flying from London Heathrow Airport to Las Vegas.

What are the most reliable airlines from London Heathrow Airport to Las Vegas?

The top 3 most reliable airlines when flying from London Heathrow Airport to Las Vegas are KLM (88%), Air France (88%) and Delta (88%).

What are the most popular airlines that fly from London Heathrow Airport to Las Vegas?

American Airlines, British Airways and Delta are the most popular airlines when flying from London Heathrow Airport to Las Vegas.

What is the cheapest day to fly round-trip from London Heathrow Airport to Las Vegas?

Departing on a Monday is a good option for securing a great price. You can expect to save up to 15% when planning your travel around this day of the week.

How far in advance should I book a flight from London Heathrow Airport to Las Vegas?

To save up to 40% on this flight, we recommend booking at least 23 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from London Heathrow Airport to Las Vegas from $741 1-2 weeks out and tickets from $930 for flights departing within the next 72 hours.

What is the cheapest month to fly from London Heathrow Airport to Las Vegas?

February is one of the best times of the year to fly to Las Vegas from London Heathrow Airport. Prices for February average $829 per person but you can even find prices for as low as $375. The most expensive prices can be found in the month of August. Opting for a February flight can save you 38% on your journey compared to booking in August

What airport do you fly into for flights to Las Vegas from London Heathrow?

If you book a flight to Las Vegas from London Heathrow, you will be flying to Harry Reid Intl, which is the city’s only airport. Las Vegas Harry Reid Intl (LAS) is located 6.2 mi from the center of Las Vegas. There are 7 flights from London Heathrow to Harry Reid Intl per day from 5 different airlines.

Can I find deals for flights from Heathrow to Las Vegas that include hotel bookings?

Yes. In addition to deals on Heathrow to Las Vegas flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Heathrow to Las Vegas?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Heathrow to Las Vegas.

Can I find deals for business class flights from Heathrow to Las Vegas?

Yes. Cheapflights offers flight deals from Heathrow to Las Vegas by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$355+ Flights from London Heathrow Airport to Las Vegas

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1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

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Cheapflights Tip: The best prices from London Heathrow to Las Vegas Harry Reid Intl are usually found in February or January, booked 53 days in advance, depart on a Tuesday or Wednesday and return on a Monday

Cheap flight deals from Heathrow to Las Vegas

Round-trip from	$717 (Trip.com)
One-way from	$355 (Kiwi.com)
Popular in	August
Cheapest in	February
Average price	$954
Good round-trip deal	$876 or less
Good one-way deal	$521 or less

From London Heathrow to Las Vegas Harry Reid Intl

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One-way flight from London Heathrow to Las Vegas Harry Reid Intl

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Highest demand for flights based on searches. 10% potential increase in price ($107 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($23 potential savings vs. average RT price).

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Average for round-trip flights in June 2025

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Price to beat on a round-trip flight from London Heathrow to Las Vegas Harry Reid Intl.

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Price to beat on a one-way flight from London Heathrow to Las Vegas Harry Reid Intl.

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Find flight deals from Heathrow to Las Vegas

Cheapest flights from Heathrow to Las Vegas
Explore the most affordable flight options available from Heathrow to Las Vegas. Find the lowest fares from popular airlines and budget airlines, with prices last updated on junio 18, 2025.

lun. 7/144:05 pmLHR - LAS

1 stop25h 31mMultiple Airlines

lun. 7/219:17 pmLAS - LHR

1 stop25h 08mMultiple Airlines

Deal found 6/16

$717

mar. 9/1611:15 amLHR - LAS

1 stop15h 00mBritish Airways

mié. 9/2411:30 amLAS - LHR

1 stop12h 30mBritish Airways

Deal found 6/16

$720

vie. 9/122:05 pmLHR - LAS

1 stop16h 07mAir Canada

vie. 9/1911:15 pmLAS - LHR

1 stop23h 15mAir Canada

Deal found 6/15

$723

mar. 9/211:25 amLHR - LAS

1 stop13h 45mUnited Airlines

mar. 9/1612:30 pmLAS - LHR

1 stop15h 15mUnited Airlines

Deal found 6/16

$730

sáb. 9/68:40 amLHR - LAS

1 stop17h 55mVirgin Atlantic

mar. 9/99:10 pmLAS - LHR

Nonstop9h 55mVirgin Atlantic

Deal found 6/16

$743

dom. 8/318:30 amLHR - LAS

1 stop15h 50mLufthansa

dom. 9/79:45 amLAS - LHR

1 stop13h 40mLufthansa

Deal found 6/16

$745

mar. 9/161:25 pmLHR - LAS

1 stop17h 22mDelta

mié. 9/249:10 pmLAS - LHR

Nonstop9h 55mDelta

Deal found 6/16

$753

mar. 10/149:15 amLHR - LAS

1 stop15h 03mFinnair

lun. 10/201:05 pmLAS - LHR

1 stop13h 25mFinnair

Deal found 6/15

$758

lun. 8/186:00 amLHR - LAS

1 stop18h 35mSWISS

vie. 9/51:38 pmLAS - LHR

2 stops18h 47mSWISS

Deal found 6/16

$785

vie. 11/74:05 pmLHR - LAS

Nonstop10h 45mAmerican Airlines

mar. 11/118:55 pmLAS - LHR

Nonstop10h 00mAmerican Airlines

Deal found 6/15

$788

jue. 9/46:40 amLHR - LAS

2 stops23h 38mScandinavian Airlines

lun. 9/86:00 amLAS - LHR

2 stops28h 30mScandinavian Airlines

Deal found 6/17

$801

lun. 6/233:10 pmLHR - LAS

1 stop15h 39mIberia

lun. 7/710:00 pmLAS - LHR

Nonstop10h 00mIberia

Deal found 6/16

$825

Best flights from Heathrow to Las Vegas
Discover carefully curated flight deals from Heathrow to Las Vegas that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated junio 18, 2025.

lun. 7/144:05 pmLHR - LAS

1 stop25h 31mMultiple Airlines

lun. 7/219:17 pmLAS - LHR

1 stop25h 08mMultiple Airlines

Deal found 6/16

$717

mar. 9/1611:15 amLHR - LAS

1 stop15h 00mBritish Airways

mié. 9/2411:30 amLAS - LHR

1 stop12h 30mBritish Airways

Deal found 6/16

$720

vie. 9/122:05 pmLHR - LAS

1 stop16h 07mAir Canada

vie. 9/1911:15 pmLAS - LHR

1 stop23h 15mAir Canada

Deal found 6/15

$723

mar. 9/211:25 amLHR - LAS

1 stop13h 45mUnited Airlines

mar. 9/1612:30 pmLAS - LHR

1 stop15h 15mUnited Airlines

Deal found 6/16

$730

sáb. 8/232:10 pmLHR - LAS

1 stop15h 38mLufthansa

sáb. 9/66:49 pmLAS - LHR

1 stop32h 21mLufthansa

Deal found 6/15

$733

sáb. 9/68:40 amLHR - LAS

1 stop17h 55mVirgin Atlantic

mar. 9/99:10 pmLAS - LHR

Nonstop9h 55mVirgin Atlantic

Deal found 6/16

$743

mar. 9/161:25 pmLHR - LAS

1 stop17h 22mDelta

mié. 9/249:10 pmLAS - LHR

Nonstop9h 55mDelta

Deal found 6/16

$753

mar. 10/149:15 amLHR - LAS

1 stop15h 03mFinnair

lun. 10/201:05 pmLAS - LHR

1 stop13h 25mFinnair

Deal found 6/15

$758

lun. 8/186:00 amLHR - LAS

1 stop18h 35mSWISS

vie. 9/51:38 pmLAS - LHR

2 stops18h 47mSWISS

Deal found 6/16

$785

vie. 11/74:05 pmLHR - LAS

Nonstop10h 45mAmerican Airlines

mar. 11/118:55 pmLAS - LHR

Nonstop10h 00mAmerican Airlines

Deal found 6/15

$788

jue. 9/46:40 amLHR - LAS

2 stops23h 38mScandinavian Airlines

lun. 9/86:00 amLAS - LHR

2 stops28h 30mScandinavian Airlines

Deal found 6/17

$801

lun. 8/188:30 amLHR - LAS

2 stops19h 29mAustrian Airlines

sáb. 9/68:30 amLAS - LHR

2 stops19h 15mAustrian Airlines

Deal found 6/16

$825

Last-minute flights from Heathrow to Las Vegas
Discover last-minute flight deals from Heathrow to Las Vegas. Data last updated junio 18, 2025 and is based on user searches.

lun. 6/235:30 pmLHR - LAS

1 stop21h 12mMultiple Airlines

lun. 7/712:56 pmLAS - LHR

1 stop20h 19mMultiple Airlines

Deal found 6/15

$718

lun. 6/234:35 pmLHR - LAS

Nonstop10h 45mVirgin Atlantic

lun. 7/79:10 pmLAS - LHR

Nonstop9h 55mVirgin Atlantic

Deal found 6/16

$805

lun. 6/239:15 amLHR - LAS

1 stop14h 16mAmerican Airlines

lun. 7/72:34 pmLAS - LHR

1 stop14h 11mAmerican Airlines

Deal found 6/16

$824

lun. 6/233:10 pmLHR - LAS

1 stop15h 39mIberia

lun. 7/710:00 pmLAS - LHR

Nonstop10h 00mIberia

Deal found 6/16

$825

lun. 6/232:10 pmLHR - LAS

1 stop17h 41mAir Canada

lun. 7/78:00 amLAS - LHR

1 stop21h 20mAir Canada

Deal found 6/16

$828

lun. 6/234:35 pmLHR - LAS

Nonstop10h 45mDelta

lun. 7/79:10 pmLAS - LHR

Nonstop9h 55mDelta

Deal found 6/16

$831

lun. 6/236:15 amLHR - LAS

2 stops18h 00mAir France

lun. 7/79:05 amLAS - LHR

1 stop20h 05mAir France

Deal found 6/15

$844

lun. 6/234:00 pmLHR - LAS

2 stops57h 53mLufthansa

lun. 7/710:43 amLAS - LHR

2 stops36h 02mLufthansa

Deal found 6/16

$907

mar. 6/242:25 pmLHR - LAS

1 stop14h 40mBritish Airways

lun. 6/304:30 pmLAS - LHR

1 stop12h 20mBritish Airways

Deal found 6/16

$795

mar. 6/244:25 pmLHR - LAS

1 stop15h 24mFinnair

lun. 6/307:45 pmLAS - LHR

2 stops28h 05mFinnair

Deal found 6/16

$808

mié. 6/257:30 amLHR - LAS

2 stops20h 59mUnited Airlines

mar. 7/151:29 pmLAS - LHR

1 stop12h 11mUnited Airlines

Deal found 6/17

$802

jue. 6/267:45 amLHR - LAS

2 stops40h 35mBrussels Airlines

dom. 6/299:10 pmLAS - LHR

2 stops40h 25mBrussels Airlines

Deal found 6/17

$932

One-way flights from Heathrow to Las Vegas
Search for one-way flight options from Heathrow to Las Vegas. Find affordable one-way fares based on user searches. Data last updated junio 18, 2025.

dom. 9/149:55 amLHR - LAS

3 stops45h 31mMultiple Airlines

Deal found 6/16

$355

mar. 11/1812:10 pmLHR - LAS

1 stop13h 40mAer Lingus

Deal found 6/16

$603

mié. 10/12:10 pmLHR - LAS

1 stop15h 19mWestJet

Deal found 6/16

$678

mar. 8/265:20 pmLHR - LAS

Nonstop10h 40mBritish Airways

Deal found 6/17

$715

Cheapflights Fare Finder

Use the filters below to find and compare flights from London Heathrow Airport to Las Vegas that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

lun. 7/14

4:05 pm-9:36 am

1 stop25h 31m

Las Vegas Harry Reid Intl

lun. 7/21

9:17 pm-6:25 am

1 stop25h 08m

$717

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

mar. 9/16

11:15 am-6:15 pm

1 stop15h 00m

Las Vegas Harry Reid Intl

mié. 9/24

11:30 am-8:00 am

1 stop12h 30m

$720

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

vie. 9/12

2:05 pm-10:12 pm

1 stop16h 07m

Las Vegas Harry Reid Intl

vie. 9/19

11:15 pm-6:30 am

1 stop23h 15m

$723

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

mar. 9/2

11:25 am-5:10 pm

1 stop13h 45m

Las Vegas Harry Reid Intl

mar. 9/16

12:30 pm-11:45 am

1 stop15h 15m

$730

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

sáb. 8/23

2:10 pm-9:48 pm

1 stop15h 38m

Las Vegas Harry Reid Intl

sáb. 9/6

6:49 pm-11:10 am

1 stop32h 21m

$733

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

sáb. 9/6

8:40 am-6:35 pm

1 stop17h 55m

Las Vegas Harry Reid Intl

mar. 9/9

9:10 pm-3:05 pm

Nonstop9h 55m

$743

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

mar. 9/16

1:25 pm-10:47 pm

1 stop17h 22m

Las Vegas Harry Reid Intl

mié. 9/24

9:10 pm-3:05 pm

Nonstop9h 55m

$753

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

mar. 10/14

9:15 am-4:18 pm

1 stop15h 03m

Las Vegas Harry Reid Intl

lun. 10/20

1:05 pm-10:30 am

1 stop13h 25m

$758

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

lun. 8/18

6:00 am-4:35 pm

1 stop18h 35m

Las Vegas Harry Reid Intl

vie. 9/5

1:38 pm-4:25 pm

2 stops18h 47m

$785

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

vie. 11/7

4:05 pm-6:50 pm

Nonstop10h 45m

Las Vegas Harry Reid Intl

mar. 11/11

8:55 pm-2:55 pm

Nonstop10h 00m

$788

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/16

Showing 1-10 of 17 results

The best insider tips for London Heathrow Airport to Las Vegas flights

Cheapflights partnered with top experts to bring you the best recommendations for your London Heathrow Airport to Las Vegas trip

Airports

LHR

At Heathrow, allow extra time for strict security checks. Ensure all liquids are in one small bag to avoid delays.

LAS

For a quick exit from LAS, wait to request rideshare until near the parking garage, avoiding a long, hot walk.

Our travel experts

Ramsey Qubein

Expert on LHR and LAS

Best time to book a flight from Heathrow to Las Vegas

Have a flexible travel schedule? Discover the best time to fly to Las Vegas from Heathrow with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from London Heathrow Airport to Las Vegas

How far ahead should I book a flight from London Heathrow Airport to Las Vegas?

The best time to book flights from London Heathrow Airport to Las Vegas is 53 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from London Heathrow Airport to Las Vegas?

Currently, August is the cheapest month in which you can book a flight from London Heathrow Airport to Las Vegas (average of $198). Flying from London Heathrow Airport to Las Vegas in March is currently the most expensive (average of $269). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from LHR to LAS?

Unlike in the afternoon, when flights are generally more expensive, you can save up to 10% on flights from London Heathrow Airport to Las Vegas by exploring options for tickets at noon.

Weekly flight availability from London Heathrow Airport to Las Vegas

The most flights from LHR to LAS are scheduled on a Monday (9 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (5 on average).

Rainfall in Las Vegas by month

In terms of precipitation, rainfall in Las Vegas ranges from 0.1 - 0.8 inches per month. February is typically the wettest month, when rainfall can reach 0.8 in. May is typically the driest time to visit Las Vegas when rainfall is around 0.1 in.

Temperature in Las Vegas by month

If weather is an important factor for your trip to Las Vegas, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 93.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 48.2 F).

Reviews of airlines servicing Las Vegas

Read through reviews of airlines operating flights from London to Las Vegas, such as Delta, Austrian Airlines and Finnair. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,964 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Delta

8.0

Very good

7,964 reviews

Delta

8.0

Very good

7,964 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Austrian Airlines

7.6

Good

804 reviews

Delta

8.0

Very good

7,964 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Finnair

7.6

Good

1,292 reviews

Delta

8.0

Very good

7,964 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Air France

7.5

Good

1,467 reviews

Delta

8.0

Very good

7,964 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

SWISS

7.5

Good

1,632 reviews

Delta

8.0

Very good

7,964 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

What airport do you fly into for flights to Las Vegas from London Heathrow?
If you book a flight to Las Vegas from London Heathrow, you will be flying to Harry Reid Intl, which is the city’s only airport. Las Vegas Harry Reid Intl (LAS) is located 6.2 mi from the center of Las Vegas. There are 7 flights from London Heathrow to Harry Reid Intl per day from 5 different airlines.
What are the cheapest airlines flying from London Heathrow Airport to Las Vegas round-trip?
British Airways, at $720, was found to be the cheapest airline from London Heathrow Airport to Las Vegas.Alternate airlines to your destination round-trip include Air Canada and United Airlines. British Airways is priced at 19% lower than the current average price of a flight leaving 3 months from now.
What are the cheapest airlines to fly from London Heathrow Airport to Las Vegas one-way?
To fly one-way, consider booking your trip with Aer Lingus, which is currently one of the cheapest options available, starting at $603. WestJet flights start at $678 while deals on British Airways start at $715 one-way.
What are the most reliable airlines from London Heathrow Airport to Las Vegas?
The top 3 most reliable airlines when flying from London Heathrow Airport to Las Vegas are KLM (88%), Air France (88%) and Delta (88%).
What are the cheapest flights from London Heathrow Airport to Las Vegas?
Looking at all options, your cheapest flight can be booked for $521. While the most popular route (London Heathrow - Las Vegas Harry Reid Intl) can be booked for $606 on average our data indicates $1,627 when flying from London Heathrow Airport to Las Vegas.
Can I find deals for flights from Heathrow to Las Vegas that include hotel bookings?
Yes. In addition to deals on Heathrow to Las Vegas flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Heathrow to Las Vegas?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Heathrow to Las Vegas.
Can I find deals for business class flights from Heathrow to Las Vegas?
Yes. Cheapflights offers flight deals from Heathrow to Las Vegas by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from London Heathrow Airport to Las Vegas?
Currently, August is the cheapest month in which you can book a flight from London Heathrow Airport to Las Vegas (average of $198). Flying from London Heathrow Airport to Las Vegas in March is currently the most expensive (average of $269). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Henderson

Paradise

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North Las Vegas

Winchester

Primm

Mount Charleston

Kingman

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Needles

Boulder City

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Heathrow to Las Vegas

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Complete your trip

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Other flights to Las Vegas

Top 5 airlines flying from Heathrow to Las Vegas

Airline	Cheapest	Average	Flexibility	On-time
American Airlines	Cheapest$616	Average$846	FlexibilityNo cancel fee	On-time71%
British Airways	Cheapest$659	Average$844	FlexibilityNo cancel fee	On-time70%
Delta	Cheapest$693	Average$875	FlexibilityNo cancel fee	On-timeN/A
Iberia	Cheapest$706	Average$1,136	FlexibilityNo cancel fee	On-time77%
Virgin Atlantic	Cheapest$707	Average$931	FlexibilityNo cancel fee	On-time72%

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$355+ Cheap flights from Heathrow (LHR) to Las Vegas (LAS)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/14. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Heathrow to Las Vegas with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from London Heathrow to Las Vegas Harry Reid Intl are usually found in February or January, booked 53 days in advance, depart on a Tuesday or Wednesday and return on a Monday

Cheap flight deals from Heathrow to Las Vegas

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find flight deals from Heathrow to Las Vegas

Cheapest flights from Heathrow to Las VegasExplore the most affordable flight options available from Heathrow to Las Vegas. Find the lowest fares from popular airlines and budget airlines, with prices last updated on junio 18, 2025.

Explore the most affordable flight options available from Heathrow to Las Vegas. Find the lowest fares from popular airlines and budget airlines, with prices last updated on junio 18, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from London Heathrow Airport to Las Vegas that are best for you.

The best insider tips for London Heathrow Airport to Las Vegas flights

Cheapflights partnered with top experts to bring you the best recommendations for your London Heathrow Airport to Las Vegas trip

Airports

LHR

LAS

Our travel experts

Best time to book a flight from Heathrow to Las Vegas

Have a flexible travel schedule? Discover the best time to fly to Las Vegas from Heathrow with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from London Heathrow Airport to Las Vegas

How far ahead should I book a flight from London Heathrow Airport to Las Vegas?

Use this chart to determine the optimal time to book a round-trip flight from Heathrow to Las Vegas. Price data was last updated on June 13, 2025.

What is the cheapest month to book a flight from London Heathrow Airport to Las Vegas?

What is the cheapest time of day to fly from LHR to LAS?

Find hourly flight availability from Heathrow to Las Vegas. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated junio 18, 2025.

Weekly flight availability from London Heathrow Airport to Las Vegas

Explore weekly flight availability from Heathrow to Las Vegas. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated junio 18, 2025.

Rainfall in Las Vegas by month

Plan your trip to Las Vegas by taking into account the average rainfall totals by month.

Temperature in Las Vegas by month

Plan your trip to Las Vegas by taking into account the average temperature totals by month.

Reviews of airlines servicing Las Vegas

Read through reviews of airlines operating flights from London to Las Vegas, such as Delta, Austrian Airlines and Finnair. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Heathrow to Las Vegas. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly into for flights to Las Vegas from London Heathrow?

What are the cheapest airlines flying from London Heathrow Airport to Las Vegas round-trip?

What are the cheapest airlines to fly from London Heathrow Airport to Las Vegas one-way?

What are the most reliable airlines from London Heathrow Airport to Las Vegas?

What are the cheapest flights from London Heathrow Airport to Las Vegas?

Can I find deals for flights from Heathrow to Las Vegas that include hotel bookings?

How can I find direct flights from Heathrow to Las Vegas?

Can I find deals for business class flights from Heathrow to Las Vegas?

What is the cheapest month to book a flight from London Heathrow Airport to Las Vegas?

Traveling to a place near London Heathrow Airport?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Heathrow to Las Vegas

See prices for flight routes from nearby airports that may be better suited for you.

Top 5 airlines flying from Heathrow to Las Vegas

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Cheapest flights from Heathrow to Las Vegas
Explore the most affordable flight options available from Heathrow to Las Vegas. Find the lowest fares from popular airlines and budget airlines, with prices last updated on junio 18, 2025.