Cheap flights from London Heathrow Airport to Las Vegas from £361

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 13/1. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — LAS
2 Jan — 9 Jan1
1 adult
1 adult, Economy, 0 bags

Cheapflights Tip: The best prices from London Heathrow to Las Vegas Harry Reid Intl are usually found in January or February, booked 67 days in advance, depart on a Tuesday or Wednesday and return on a Sunday

Cheap flight deals from Heathrow to Las Vegas

Enter your travel dates to find the best prices.

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 3 December 2025.

Tue 16/1216:20LHR - LAS
1 stop37h 32mMultiple Airlines
Wed 7/111:01LAS - LHR
1 stop12h 54mMultiple Airlines
Deal found 1/12£475
Sat 13/1218:00LHR - LAS
2 stops29h 06mAir Canada
Wed 7/116:45LAS - LHR
1 stop35h 05mAir Canada
Deal found 2/12£475
Mon 15/1210:45LHR - LAS
2 stops37h 04mBritish Airways
Wed 7/119:55LAS - LHR
Nonstop10h 05mBritish Airways
Deal found 1/12£478
Tue 9/1214:30LHR - LAS
1 stop33h 29mAir Canada
Tue 6/123:30LAS - LHR
2 stops25h 50mAir Canada
Deal found 1/12£478
Sun 28/1211:05LHR - LAS
1 stop15h 19mKLM
Mon 5/123:27LAS - LHR
1 stop24h 38mKLM
Deal found 1/12£479
Fri 12/1214:30LHR - LAS
1 stop14h 57mAir Canada
Wed 7/116:45LAS - LHR
1 stop35h 05mAir Canada
Deal found 2/12£480
Wed 24/1213:25LHR - LAS
1 stop15h 14mAir Canada
Wed 7/116:45LAS - LHR
1 stop35h 05mAir Canada
Deal found 2/12£482
Sat 13/1210:25LHR - LAS
2 stops18h 21mUnited Airlines
Mon 5/123:40LAS - LHR
1 stop12h 55mUnited Airlines
Deal found 2/12£484
Sun 14/1210:00LHR - LAS
1 stop18h 00mUnited Airlines
Wed 7/123:18LAS - LHR
1 stop13h 17mUnited Airlines
Deal found 1/12£485
Mon 15/1214:45LHR - LAS
1 stop15h 29mBritish Airways
Tue 23/1220:55LAS - LHR
Nonstop9h 55mBritish Airways
Deal found 30/11£485

Find flight deals from Heathrow to Las Vegas

Discover tips and strategies to find the most affordable flight options for your journey from Heathrow (LHR) to Las Vegas (LAS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 3 December 2025.

Round-trip from

£474

One-way from

£361

Popular in

August

Cheapest in

January

Average price

£697

Good round-trip deal

£531 or less

Good one-way deal

£547 or less
United Airlines
  • United Airlines
  • 18/5-24/5
  • 2 total stops
  • 26h 30m total
  • London to Las Vegas
13/1
  • 13/1
  • 2 total stops
  • 41h 09m total
  • London to Las Vegas
Highest demand for flights based on searches. 8% potential increase in price (£45 potential increase over avg. return price).
Cheapest flight prices on average. 1% potential price decrease (£8 potential savings vs. average return price).
Average for round-trip flights in December 2025
Price to beat on a round-trip flight from London Heathrow to Las Vegas Harry Reid Intl.
Price to beat on a one-way flight from London Heathrow to Las Vegas Harry Reid Intl.

Cheapflights Fare Finder

 
Customise your flight search to find flights from Heathrow to Las Vegas that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 3 December 2025.
Use the filters below to find and compare flights from London Heathrow Airport to Las Vegas that are best for you.

Fly from

Heathrow

Fly to

Las Vegas

Route

Depart

Return

Price

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Fri 16/1

11:35-17:11

1 stop13h 36m

Las Vegas Harry Reid Intl

Fri 23/1

05:20-06:40

2 stops17h 20m

£475

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Sun 21/12

11:05-23:44

1 stop20h 39m

Las Vegas Harry Reid Intl

Mon 5/1

09:35-07:05

1 stop13h 30m

£487

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Wed 11/2

13:25-11:20

2 stops29h 55m

Las Vegas Harry Reid Intl

Wed 1/4

06:15-10:00

2 stops19h 45m

£488

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Mon 4/5

15:05-23:51

1 stop16h 46m

Las Vegas Harry Reid Intl

Sat 9/5

07:30-10:00

2 stops18h 30m

£502

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Mon 30/3

09:40-19:39

2 stops17h 59m

Las Vegas Harry Reid Intl

Mon 6/4

11:42-08:55

1 stop13h 13m

£503

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Tue 31/3

13:05-21:10

1 stop16h 05m

Las Vegas Harry Reid Intl

Wed 8/4

11:00-09:00

1 stop14h 00m

£503

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Sun 28/12

10:45-23:59

1 stop21h 14m

Las Vegas Harry Reid Intl

Sun 4/1

23:59-07:05

1 stop23h 06m

£504

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Fri 8/5

16:30-19:20

Nonstop10h 50m

Las Vegas Harry Reid Intl

Fri 15/5

17:59-17:00

1 stop15h 01m

£506

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Wed 25/3

08:55-19:39

1 stop17h 44m

Las Vegas Harry Reid Intl

Wed 8/4

11:38-10:15

1 stop14h 37m

£510

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Fri 12/12

08:20-15:49

1 stop15h 29m

Las Vegas Harry Reid Intl

Tue 6/1

19:55-14:00

Nonstop10h 05m

£522

Flights are sorted by cheapest return flights first.

Deals found on 1/12

Showing 1-10 of 21 results
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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 return 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?

Use this chart to determine the optimal time to book a return flight from Heathrow to Las Vegas. Price data was last updated on 28 November 2025.

The best time to book flights from London Heathrow Airport to Las Vegas is 67 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, December is the cheapest month in which you can book a flight from London Heathrow Airport to Las Vegas (average of £469). Flying from London Heathrow Airport to Las Vegas in July is currently the most expensive (average of £563). 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?

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 3 December 2025.

When flying from London Heathrow Airport to Las Vegas, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 4% versus a flight at midday.

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

Use this chart to determine the cheapest time to fly return from Heathrow to Las Vegas. Price data was last updated on 29 November 2025.

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

How much does it cost for a return flight from London Heathrow Airport to Las Vegas?

Reviews of airlines servicing Las Vegas

Get insights into the airlines that provide service to Las Vegas. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Las Vegas. Reviews last updated 3 December 2025.
Check out reviews from past customers who have flown with KLM, Finnair, andVirgin Atlantic from London Heathrow Airport to Las Vegas to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Comfort

7.6

Boarding

7.8

Crew

8.4

Food

7.2

Overall

7.7

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.

Comfort

7.6

Boarding

7.8

Crew

8.4

Food

7.2

Overall

7.7

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.

Comfort

7.6

Boarding

7.8

Crew

8.4

Food

7.2

Overall

7.7

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.

Comfort

7.6

Boarding

7.8

Crew

8.4

Food

7.2

Overall

7.7

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.

Comfort

7.6

Boarding

7.8

Crew

8.4

Food

7.2

Overall

7.7

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.

Comfort

7.6

Boarding

7.8

Crew

8.4

Food

7.2

Overall

7.7

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.

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 airports serve Heathrow to Las Vegas flights?

    When you’re flying to Las Vegas from Heathrow you’ll find your flight always travelling from the main airport in Heathrow, London Heathrow Airport (LHR.) This airport is also one of the most popular airports in all of the UK, seeing flights arrive and depart from all around the world. It’s also extremely popular with some of the world’s leading airlines. Las Vegas is gifted with six airports, but you will commonly find that when your flight reaches Las Vegas that it will typically reach the main airport of Las Vegas, also known as McCarran International Airport (LAS). Similarly, with this airport, it is extremely popular with some of the leading airlines that you can travel with, and also sees flights arrive and depart from all around the world. The average flight time from Heathrow to Las Vegas is around 10h 40min.

  • Which airlines fly directly from Heathrow to Las Vegas?

    Direct flights to Las Vegas from Heathrow are easy to find and run frequently. When flying directly from Heathrow to Vegas you will find that the approximate flight duration is 10h 40min but this can slightly differ depending on which airlines that you’re travelling with. Your flight from London Heathrow Airport (LHR) will most likely always reach McCarran International Airport (LAS) and can be done some from some of the world’s leading airlines. Popular airlines include Iberia, United Airlines, Virgin Atlantic, British Airways, Air France, Finnair, and more. If you are looking for a flight that requires a stopover you will find that these same airlines will most likely run your connecting flight route.

  • What are the stopover options between Heathrow to Las Vegas?

    Connecting flights that require stopovers to Las Vegas from Heathrow run frequently and are easy to find. These types of flights are usually also a cheap form of travel between Las Vegas and Heathrow. You can filter your flight search for either one or two stopovers. The airline that you choose to travel to will impact what stopover your flight will have. Stopover flights are easy and let you experience a variety of great locations. Popular stopover locations include Los Angeles Airport (LAX), Chicago O’Hare International Airport (ORD), Denver International Airport (DEN), San Francisco Airport (SFO), and more.

  • Do I need a passport or visa to fly from Heathrow to Las Vegas?

    When travelling to Las Vegas from Heathrow you will need both a valid passport and an ESTA visa. Your passport must be valid for the time of your travel and have a valid six months of duration left on your passport. You can expect that an ESTA visa will cost you around $14 (£9.90) and can easily be booked before you’re due to travel.

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

    Located just 6.2 mi from the city center, Las Vegas Harry Reid Intl is the airport most travelers will use when flying to Las Vegas from London Heathrow. Booking flights from London Heathrow to Harry Reid Intl (LAS) should be relatively easy as there are 6 daily inbound flights from London Heathrow from 17 different airlines.

  • How long is the flight from London Heathrow Airport to Las Vegas?

    For as low as £475, United Airlines can have you in Las Vegas from London Heathrow Airport in 13h 36m. Airlines will cover a distance of 5213 mi. Both multi-stop and direct flights can be found to your destination and back.

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

    According to our current data, Norse Atlantic UK (£365), JetBlue (£445), and WestJet (£447) offers the cheapest pricing from London Heathrow Airport to Las Vegas. Norse Atlantic UK is priced at 45% 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?

    £263 is the cheapest one-way deal found within the past few days, from WestJet. You may also be able to find cheap deals on JetBlue and British Airways, with prices starting from £326 and £447, respectively.

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

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from London Heathrow Airport to Las Vegas on time: Air France (77%), Delta (77%), Virgin Atlantic (77%).

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

    Looking at all options, your cheapest flight can be booked for £467. While the most popular route (London Heathrow - Las Vegas Harry Reid Intl) can be booked for £416 on average, our data indicates £1,291 when flying from London Heathrow Airport to Las Vegas.

  • Where are the most common stopover locations when flying from London Heathrow Airport to Las Vegas?

  • What are some popular things to do or see while on a stopover in Chicago?

    Most Chicago visitors opt to spend their time experiencing Magnificent Mile, Grant Park, and River North. Travelers on a layover in Chicago can visit Magnificent Mile, Grant Park, and River North, by traveling 15.5 mi, 16.2 mi, and 15.0 mi, respectively after landing at Chicago O'Hare Intl. Travellers can book a car hire at Chicago O'Hare Intl for about £33 per day to make their sightseeing more efficient.

  • Where are the least popular stopover locations for London Heathrow Airport to Las Vegas flights?

  • 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 holiday 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, December is the cheapest month in which you can book a flight from London Heathrow Airport to Las Vegas (average of £469). Flying from London Heathrow Airport to Las Vegas in July is currently the most expensive (average of £563). 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

Travelling to a place near Las Vegas?

Book flights to Las Vegas if you plan to visit one of these locations
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Fly from Heathrow to Las Vegas on these airlines

Choose from the following airlines for your flight from Heathrow to Las Vegas. Flights are based on user searches made on Cheapflights and were last updated on 3 December 2025.

Top 10 airlines flying from Heathrow to Las Vegas

Discover the top 10 airlines that operate flights from Heathrow to Las Vegas. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 3 December 2025.
AirlineCheapestAverageFlexibilityOn-time
Norse Atlantic UKCheapest£365Average£405FlexibilityNo cancel feeOn-timeN/A
Search Norse Atlantic UK flights
JetBlueCheapest£445Average£551FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
WestJetCheapest£447Average£545FlexibilityNo cancel feeOn-time60%
Search WestJet flights
IcelandairCheapest£450Average£548FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
United AirlinesCheapest£453Average£596FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
DeltaCheapest£461Average£748FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Air CanadaCheapest£462Average£576FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
LufthansaCheapest£474Average£635FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
FinnairCheapest£496Average£594FlexibilityNo cancel feeOn-time76%
Search Finnair flights
Aer LingusCheapest£502Average£736FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Heathrow to Las Vegas?

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Why should you use Cheapflights to find cheap flight tickets from Heathrow to Las Vegas?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Heathrow to Las Vegas for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Heathrow to Las Vegas with no change fees?

Yes! Cheapflights helps users easily find flights from Heathrow to Las Vegas with no change fees.

Can Cheapflights notify me if prices for flights from Heathrow to Las Vegas become cheaper?

Yes! Start tracking prices for Heathrow to Las Vegas flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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