Cheap flights from London Heathrow Airport to Las Vegas from £291

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 19/11. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — LAS
26 Aug — 2 Sep1
1 adult

Cheapflights Tip: The best prices from London Heathrow to Las Vegas Harry Reid Intl are usually found in February or January, booked 89 days in advance, depart on a Tuesday or Wednesday and return on a Saturday

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 21 August 2025.

Round-trip from

£549

One-way from

£291

Popular in

August

Cheapest in

February

Average price

£790

Good round-trip deal

£620 or less

Good one-way deal

£625 or less
Lufthansa
  • Lufthansa
  • 3/12-6/12
  • 4 total stops
  • 57h 35m total
  • London to Las Vegas
WestJet
  • WestJet
  • 19/11
  • 1 total stop
  • 14h 41m 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 (£9 potential savings vs. average return price).
Average for round-trip flights in August 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 21 August 2025.

Wed 3/1206:30LHR - LAS
2 stops21h 31mLufthansa
Sat 6/1211:07LAS - LHR
1 stop36h 18mLufthansa
Deal found 19/8£549
Sat 6/913:05LHR - LAS
1 stop35h 09mLufthansa
Thu 11/909:45LAS - LHR
1 stop13h 40mLufthansa
Deal found 20/8£550
Wed 24/908:25LHR - LAS
2 stops20h 57mJetBlue
Mon 29/922:29LAS - LHR
1 stop14h 16mJetBlue
Deal found 20/8£551
Tue 9/906:40LHR - LAS
2 stops22h 39mMultiple Airlines
Sat 13/912:11LAS - LHR
2 stops21h 29mMultiple Airlines
Deal found 20/8£551
Sat 1/1119:30LHR - LAS
2 stops32h 37mLufthansa
Sat 22/1116:05LAS - LHR
1 stop31h 20mLufthansa
Deal found 20/8£552
Tue 14/1008:15LHR - LAS
1 stop20h 57mJetBlue
Thu 23/1007:00LAS - LHR
1 stop18h 30mJetBlue
Deal found 20/8£553
Fri 7/1119:30LHR - LAS
2 stops32h 37mLufthansa
Sat 15/1118:25LAS - LHR
2 stops35h 05mLufthansa
Deal found 19/8£554
Fri 12/908:25LHR - LAS
1 stop21h 57mIcelandair
Mon 15/922:29LAS - LHR
1 stop14h 16mIcelandair
Deal found 19/8£554
Thu 25/918:45LHR - LAS
2 stops35h 41mMultiple Airlines
Sat 4/1000:43LAS - LHR
3 stops25h 37mMultiple Airlines
Deal found 19/8£555
Mon 22/908:30LHR - LAS
1 stop21h 43mAir Canada
Sun 28/907:25LAS - LHR
2 stops18h 10mAir Canada
Deal found 19/8£556
Tue 16/907:05LHR - LAS
2 stops23h 15mScandinavian Airlines
Tue 23/907:00LAS - LHR
2 stops18h 35mScandinavian Airlines
Deal found 19/8£557

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 21 August 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

Tue 14/10

08:15-21:12

1 stop20h 57m

Las Vegas Harry Reid Intl

Thu 23/10

07:00-09:30

1 stop18h 30m

£553

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Tue 16/9

08:15-21:22

1 stop21h 07m

Las Vegas Harry Reid Intl

Wed 24/9

07:00-09:30

1 stop18h 30m

£554

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Mon 1/9

06:00-16:35

1 stop18h 35m

Las Vegas Harry Reid Intl

Mon 8/9

23:20-11:50

1 stop28h 30m

£556

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Thu 6/11

12:20-00:37

1 stop20h 17m

Las Vegas Harry Reid Intl

Thu 13/11

10:03-09:30

1 stop15h 27m

£558

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Thu 5/2

15:10-22:11

1 stop15h 01m

Las Vegas Harry Reid Intl

Mon 9/2

16:30-15:30

1 stop15h 00m

£561

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Wed 17/9

18:40-16:35

1 stop29h 55m

Las Vegas Harry Reid Intl

Wed 24/9

15:50-19:20

2 stops19h 30m

£564

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Fri 19/9

20:05-16:35

1 stop28h 30m

Las Vegas Harry Reid Intl

Wed 24/9

13:30-17:50

2 stops20h 20m

£564

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Wed 24/9

18:40-16:35

1 stop29h 55m

Las Vegas Harry Reid Intl

Mon 29/9

19:05-17:50

1 stop14h 45m

£564

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Fri 26/9

08:25-19:55

1 stop19h 30m

Las Vegas Harry Reid Intl

Tue 30/9

22:29-20:45

1 stop14h 16m

£564

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Thu 25/9

08:40-16:35

1 stop15h 55m

Las Vegas Harry Reid Intl

Mon 29/9

19:05-16:25

1 stop13h 20m

£564

Flights are sorted by cheapest return flights first.

Deals found on 20/8

Showing 1-10 of 18 results
1
2

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 8 August 2025.

The best time to book flights from London Heathrow Airport to Las Vegas is 89 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 21 August 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 8% 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 17 August 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.

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 21 August 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.

Food

7.3

Boarding

7.8

Crew

8.4

Comfort

7.7

Entertainment

7.1

Overall

7.8

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Food

7.3

Boarding

7.8

Crew

8.4

Comfort

7.7

Entertainment

7.1

Overall

7.8

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Food

7.3

Boarding

7.8

Crew

8.4

Comfort

7.7

Entertainment

7.1

Overall

7.8

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Food

7.3

Boarding

7.8

Crew

8.4

Comfort

7.7

Entertainment

7.1

Overall

7.8

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Food

7.3

Boarding

7.8

Crew

8.4

Comfort

7.7

Entertainment

7.1

Overall

7.8

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Food

7.3

Boarding

7.8

Crew

8.4

Comfort

7.7

Entertainment

7.1

Overall

7.8

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

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 £553, JetBlue can have you in Las Vegas from London Heathrow Airport in 20h 57m. Airlines will cover a distance of 5213 mi.

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

    According to our current data, Norse Atlantic UK (£318), WestJet (£388), and United Airlines (£432) offers the cheapest pricing from London Heathrow Airport to Las Vegas. Norse Atlantic UK is priced at 52% lower than the current average price of a flight leaving 3 months from now.

  • 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 (80%), Air France (80%), Delta (80%).

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

    Looking at all options, your cheapest flight can be booked for £498. While the most popular route (London Heathrow - Las Vegas Harry Reid Intl) can be booked for £416 on average our data indicates £1,465 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 Bowl, and Hollywood Boulevard. Travelers on a layover in Los Angeles can visit Hollywood Walk of Fame, Hollywood Bowl, and Hollywood Boulevard, by traveling 11.7 mi, 12.5 mi, and 11.8 mi, respectively after landing at Los Angeles. Travellers can book a car hire at Los Angeles for about £36 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

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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 21 August 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 21 August 2025.
AirlineCheapestAverageFlexibilityOn-time
Norse Atlantic UKCheapest£318Average£404FlexibilityNo cancel feeOn-timeN/A
Search Norse Atlantic UK flights
WestJetCheapest£388Average£439FlexibilityNo cancel feeOn-time60%
Search WestJet flights
United AirlinesCheapest£432Average£596FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
IcelandairCheapest£448Average£573FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
Air CanadaCheapest£452Average£566FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
LufthansaCheapest£464Average£615FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
FinnairCheapest£485Average£585FlexibilityNo cancel feeOn-time76%
Search Finnair flights
Aer LingusCheapest£490Average£633FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
British AirwaysCheapest£492Average£652FlexibilityNo cancel feeOn-time70%
Search British Airways flights
JetBlueCheapest£495Average£631FlexibilityNo cancel feeOn-time62%
Search JetBlue 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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