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Cheap flights from London Heathrow Airport to Las Vegas from £279

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 29/8. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — LAS
9 Jul — 16 Jul1
1 adult

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 Thursday

Cheap 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 4 July 2025.

Round-trip from

£532

One-way from

£279

Popular in

August

Cheapest in

February

Average price

£748

Good round-trip deal

£586 or less

Good one-way deal

£675 or less
Lufthansa
  • Lufthansa
  • 6/9-13/9
  • 3 total stops
  • 50h 51m total
  • London to Las Vegas
29/8
  • 29/8
  • 2 total stops
  • 26h 13m total
  • London to Las Vegas
Highest demand for flights based on searches. 10% potential increase in price (£54 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease (£12 potential savings vs. average return price).
Average for round-trip flights in July 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.

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 4 July 2025.

Sat 6/906:30LHR - LAS
2 stops21h 54mLufthansa
Sat 13/918:28LAS - LHR
1 stop28h 57mLufthansa
Deal found 3/7£532
Mon 25/814:20LHR - LAS
1 stop15h 08mMultiple Airlines
Wed 10/913:38LAS - LHR
1 stop16h 57mMultiple Airlines
Deal found 1/7£533
Tue 16/908:15LHR - LAS
1 stop20h 57mJetBlue
Mon 29/923:59LAS - LHR
1 stop12h 46mJetBlue
Deal found 3/7£535
Wed 17/908:15LHR - LAS
1 stop20h 57mIcelandair
Wed 24/923:07LAS - LHR
2 stops37h 38mIcelandair
Deal found 2/7£536
Mon 25/809:30LHR - LAS
1 stop33h 10mAir Canada
Wed 10/911:25LAS - LHR
1 stop14h 10mAir Canada
Deal found 1/7£547
Wed 8/1009:55LHR - LAS
2 stops20h 00mDelta
Sat 11/1009:25LAS - LHR
1 stop15h 25mDelta
Deal found 1/7£556
Fri 12/920:05LHR - LAS
1 stop28h 30mSWISS
Mon 29/919:05LAS - LHR
1 stop16h 15mSWISS
Deal found 3/7£563

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 4 July 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

Sat 6/9

06:30-20:24

2 stops21h 54m

Las Vegas Harry Reid Intl

Sat 13/9

18:28-07:25

1 stop28h 57m

£532

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Mon 25/8

14:20-21:28

1 stop15h 08m

Las Vegas Harry Reid Intl

Wed 10/9

13:38-14:35

1 stop16h 57m

£533

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Tue 16/9

08:15-21:12

1 stop20h 57m

Las Vegas Harry Reid Intl

Mon 29/9

23:59-20:45

1 stop12h 46m

£535

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Wed 17/9

08:15-21:12

1 stop20h 57m

Las Vegas Harry Reid Intl

Wed 24/9

23:07-20:45

2 stops37h 38m

£536

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Mon 25/8

09:30-10:40

1 stop33h 10m

Las Vegas Harry Reid Intl

Wed 10/9

11:25-09:35

1 stop14h 10m

£547

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Wed 8/10

09:55-21:55

2 stops20h 00m

Las Vegas Harry Reid Intl

Sat 11/10

09:25-08:50

1 stop15h 25m

£556

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Fri 12/9

20:05-16:35

1 stop28h 30m

Las Vegas Harry Reid Intl

Mon 29/9

19:05-19:20

1 stop16h 15m

£563

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Fri 29/8

15:05-09:18

2 stops26h 13m

£279

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Wed 3/12

14:50-20:19

2 stops37h 29m

£380

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Thu 11/9

11:55-21:12

1 stop17h 17m

£392

Flights are sorted by cheapest return flights first.

Deals found on 2/7

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 27 June 2025.

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, January is the cheapest month in which you can book a flight from London Heathrow Airport to Las Vegas (average of £689). Flying from London Heathrow Airport to Las Vegas in July is currently the most expensive (average of £1,020). 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 4 July 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 at midday, which can drop the price by up to 10% versus a flight in the afternoon.

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 June 2025.

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

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 4 July 2025.

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).

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 4 July 2025.
Check out reviews from past customers who have flown with SWISS, JetBlue, andWestJet 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

7.4

Boarding

7.6

Overall

7.5

Crew

8.2

Entertainment

6.8

Food

7.1

Reviews

1 / 20
10.0
Excellent

Ruth,Aug 2024

IAD - ZRH

Thank you for the upgrade- it will make me a loyal fan

Comfort

7.4

Boarding

7.6

Overall

7.5

Crew

8.2

Entertainment

6.8

Food

7.1

Reviews

1 / 20
10.0
Excellent

Ruth,Aug 2024

IAD - ZRH

Thank you for the upgrade- it will make me a loyal fan

Comfort

7.4

Boarding

7.6

Overall

7.5

Crew

8.2

Entertainment

6.8

Food

7.1

Reviews

1 / 20
10.0
Excellent

Ruth,Aug 2024

IAD - ZRH

Thank you for the upgrade- it will make me a loyal fan

Comfort

7.4

Boarding

7.6

Overall

7.5

Crew

8.2

Entertainment

6.8

Food

7.1

Reviews

1 / 20
10.0
Excellent

Ruth,Aug 2024

IAD - ZRH

Thank you for the upgrade- it will make me a loyal fan

Comfort

7.4

Boarding

7.6

Overall

7.5

Crew

8.2

Entertainment

6.8

Food

7.1

Reviews

1 / 20
10.0
Excellent

Ruth,Aug 2024

IAD - ZRH

Thank you for the upgrade- it will make me a loyal fan

Comfort

7.4

Boarding

7.6

Overall

7.5

Crew

8.2

Entertainment

6.8

Food

7.1

Reviews

1 / 20
10.0
Excellent

Ruth,Aug 2024

IAD - ZRH

Thank you for the upgrade- it will make me a loyal fan

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 7 daily inbound flights from London Heathrow from 17 different airlines.

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

    According to our current data, Lufthansa (£532), Icelandair (£533), and JetBlue (£536) offers the cheapest pricing from London Heathrow Airport to Las Vegas. Lufthansa 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?

    £390 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 Icelandair, with prices starting from £391 and £406, 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: KLM (85%), Air France (85%), Delta (85%).

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

    Looking at all options, your cheapest flight can be booked for £456. While the most popular route (London Heathrow - Las Vegas Harry Reid Intl) can be booked for £460 on average our data indicates £1,691 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 Los Angeles?

    Most Los Angeles visitors opt to spend their time experiencing Hollywood Walk of Fame, Hollywood Boulevard, and Santee Alley. Travelers on a layover in Los Angeles can visit Hollywood Walk of Fame, Hollywood Boulevard, and Santee Alley, by traveling 11.7 mi, 11.8 mi, and 11.0 mi, respectively after landing at Los Angeles. Travellers can book a car hire at Los Angeles for about £42 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, January is the cheapest month in which you can book a flight from London Heathrow Airport to Las Vegas (average of £689). Flying from London Heathrow Airport to Las Vegas in July is currently the most expensive (average of £1,020). 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 London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Kingman
Henderson
Paradise

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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 4 July 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 4 July 2025.
AirlineCheapestAverageFlexibilityOn-time
Norse Atlantic UKCheapest£295Average£394FlexibilityNo cancel feeOn-timeN/A
Search Norse Atlantic UK flights
WestJetCheapest£386Average£441FlexibilityNo cancel feeOn-time60%
Search WestJet flights
United AirlinesCheapest£413Average£588FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapest£418Average£569FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
IcelandairCheapest£442Average£579FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
LufthansaCheapest£457Average£606FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
British AirwaysCheapest£465Average£634FlexibilityNo cancel feeOn-time70%
Search British Airways flights
FinnairCheapest£480Average£583FlexibilityNo cancel feeOn-time76%
Search Finnair flights
JetBlueCheapest£482Average£638FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
Aer LingusCheapest£482Average£587FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Heathrow to Las Vegas. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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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