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Cheap flights from Las Vegas to London Heathrow Airport from £259

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 18/6. Fares are subject to change and may not be available on all flights or dates of travel.
LAS — LHR
4 May — 11 May1
1 adult

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

Cheap flight deals from Las Vegas to Heathrow

Discover tips and strategies to find the most affordable flight options for your journey from Las Vegas (LAS) to Heathrow (LHR). 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 29 April 2025.

Round-trip from

£516

One-way from

£259

Popular in

June

Cheapest in

January

Average price

£650

Good round-trip deal

£645 or less

Good one-way deal

£339 or less
Scandinavian Airlines
  • Scandinavian Airlines
  • 2/9-15/9
  • 4 total stops
  • 49h 25m total
  • Las Vegas to London
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18/6
  • 18/6
  • 2 total stops
  • 25h 10m total
  • Las Vegas to London
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Highest demand for flights based on searches. 20% potential increase in price (£133 potential increase over avg. return price).
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Cheapest flight prices on average. 3% potential price decrease (£19 potential savings vs. average return price).
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Average for round-trip flights in April 2025
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Price to beat on a round-trip flight from Las Vegas Harry Reid Intl to London Heathrow.
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Price to beat on a one-way flight from Las Vegas Harry Reid Intl to London Heathrow.
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Find flight deals from Las Vegas to Heathrow

Cheapest flights from Las Vegas to Heathrow
Explore the most affordable flight options available from Las Vegas to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 April 2025.

Mon 18/809:37LAS - LHR
1 stop13h 43mIberia
Wed 27/817:20LHR - LAS
Nonstop10h 40mIberia
Deal found 29/4£515
Tue 2/907:05LAS - LHR
2 stops26h 35mScandinavian Airlines
Mon 15/907:05LHR - LAS
2 stops22h 50mScandinavian Airlines
Deal found 29/4£516
Wed 1/1022:05LAS - LHR
Nonstop10h 00mBritish Airways
Thu 9/1017:15LHR - LAS
Nonstop10h 40mBritish Airways
Deal found 29/4£519
Wed 24/908:00LAS - LHR
2 stops17h 35mMultiple Airlines
Thu 9/1006:30LHR - LAS
2 stops17h 28mMultiple Airlines
Deal found 28/4£522
Wed 20/821:10LAS - LHR
Nonstop9h 55mDelta
Tue 26/816:35LHR - LAS
Nonstop10h 45mDelta
Deal found 29/4£541
Wed 20/808:00LAS - LHR
2 stops18h 00mAir Canada
Tue 26/809:30LHR - LAS
2 stops20h 51mAir Canada
Deal found 29/4£546
Tue 12/813:37LAS - LHR
2 stops20h 13mSWISS
Mon 25/813:45LHR - LAS
2 stops38h 51mSWISS
Deal found 28/4£552
Mon 1/909:45LAS - LHR
1 stop16h 40mUnited Airlines
Sun 14/917:40LHR - LAS
2 stops28h 58mUnited Airlines
Deal found 28/4£577
Thu 8/506:35LAS - LHR
1 stop18h 55mJetBlue
Thu 22/508:25LHR - LAS
1 stop32h 20mJetBlue
Deal found 29/4£588
Mon 1/921:10LAS - LHR
Nonstop9h 55mVirgin Atlantic
Sun 14/910:55LHR - LAS
1 stop13h 16mVirgin Atlantic
Deal found 28/4£614
Mon 5/509:49LAS - LHR
2 stops19h 36mAer Lingus
Thu 22/512:00LHR - LAS
2 stops18h 05mAer Lingus
Deal found 28/4£696

Cheapflights Fare Finder

Customise your flight search to find flights from Las Vegas to Heathrow 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 29 April 2025.
Use the filters below to find and compare flights from Las Vegas to London Heathrow Airport that are best for you.

Fly from

Las Vegas

Fly to

Heathrow

Route

Depart

Return

Price

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Tue 2/9

07:05-17:40

2 stops26h 35m

London Heathrow

Mon 15/9

07:05-21:55

2 stops22h 50m

£516

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Wed 1/10

22:05-16:05

Nonstop10h 00m

London Heathrow

Thu 9/10

17:15-19:55

Nonstop10h 40m

£519

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Wed 24/9

11:25-09:35

1 stop14h 10m

London Heathrow

Wed 8/10

10:30-22:12

2 stops19h 42m

£522

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Wed 20/8

21:10-15:05

Nonstop9h 55m

London Heathrow

Tue 26/8

16:35-19:20

Nonstop10h 45m

£541

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Wed 20/8

08:00-10:00

2 stops18h 00m

London Heathrow

Tue 26/8

09:30-22:21

2 stops20h 51m

£546

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Tue 12/8

13:37-17:50

2 stops20h 13m

London Heathrow

Mon 25/8

13:45-20:36

2 stops38h 51m

£552

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Mon 1/9

09:45-10:25

1 stop16h 40m

London Heathrow

Sun 14/9

17:40-14:38

2 stops28h 58m

£577

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Tue 12/8

22:05-16:05

Nonstop10h 00m

London Heathrow

Mon 25/8

17:15-19:55

Nonstop10h 40m

£613

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Mon 1/9

21:10-15:05

Nonstop9h 55m

London Heathrow

Sun 14/9

10:55-16:11

1 stop13h 16m

£614

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Wed 14/5

10:53-09:30

1 stop14h 37m

London Heathrow

Sun 18/5

08:15-22:45

1 stop22h 30m

£617

Flights are sorted by cheapest return flights first.

Deals found on 28/4

Showing 1-10 of 23 results
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Best time to book a flight from Las Vegas to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Las Vegas 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 Las Vegas to London Heathrow Airport

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

Use this chart to determine the optimal time to book a return flight from Las Vegas to Heathrow. Price data was last updated on 25 April 2025.

To ensure you get the cheapest price possible for a flight from Las Vegas to London Heathrow Airport, you should look to book at least 67 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, January is the cheapest month in which you can book a flight from Las Vegas to London Heathrow Airport (average of £112). Flying from Las Vegas to London Heathrow Airport in August is currently the most expensive (average of £164). 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 LAS to LHR?

Find hourly flight availability from Las Vegas to Heathrow. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 29 April 2025.

When flying from Las Vegas to London Heathrow Airport, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 39% versus a flight at midday.

Weekly flight availability from Las Vegas to London Heathrow Airport

Explore weekly flight availability from Las Vegas to Heathrow. 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 29 April 2025.

The most flights from LAS to LHR 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 Heathrow by month

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

In terms of precipitation, rainfall in London Heathrow Airport ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London Heathrow Airport when rainfall is around 40.0 mm.

Temperature in Heathrow by month

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

If weather is an important factor for your trip to London Heathrow Airport, 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 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

Reviews of airlines servicing Heathrow

Get insights into the airlines that provide service to Heathrow. 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 Heathrow. Reviews last updated 29 April 2025.
See what other customers who have flown with Delta, SWISS and United Airlines from Las Vegas to London have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very Good
7,929 reviews
Check prices

Comfort

7.9

Boarding

8.2

Food

7.3

Entertainment

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very Good
7,929 reviews
Delta
8.0
Very Good
7,929 reviews
Check prices

Comfort

7.9

Boarding

8.2

Food

7.3

Entertainment

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
SWISS
7.5
Good
1,588 reviews
Delta
8.0
Very Good
7,929 reviews
Check prices

Comfort

7.9

Boarding

8.2

Food

7.3

Entertainment

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
8,696 reviews
Delta
8.0
Very Good
7,929 reviews
Check prices

Comfort

7.9

Boarding

8.2

Food

7.3

Entertainment

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Virgin Atlantic
7.4
Good
642 reviews
Delta
8.0
Very Good
7,929 reviews
Check prices

Comfort

7.9

Boarding

8.2

Food

7.3

Entertainment

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
JetBlue
7.3
Good
2,922 reviews
Delta
8.0
Very Good
7,929 reviews
Check prices

Comfort

7.9

Boarding

8.2

Food

7.3

Entertainment

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

Find useful and relevant information for your journey from Las Vegas to Heathrow. 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 from for flights from Las Vegas to London Heathrow?

    Las Vegas Harry Reid Intl (LAS) is the airport you will fly out of if you book a flight from Las Vegas to London Heathrow. You should not have trouble finding flights to London Heathrow from Harry Reid Intl; the airport handles an average of 8 outbound flights to London Heathrow per day. You should also have plenty of airline options to choose from since 3 airlines have flights from the Las Vegas airport to London Heathrow. It is only a 6.2 mi journey to Harry Reid Intl (LAS) from Las Vegas’s city center.

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

    Our cheapest airline available from Las Vegas to London Heathrow Airport is Scandinavian Airlines. Our recent data shows that you can find tickets from as low as £516 on this airline. Additional options worth looking into are British Airways and Delta, starting at £519 and £541 round-trip. You may be able to fly from Las Vegas to London Heathrow Airport for 23% less than the average price by searching for these airlines.

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

    To fly one-way, consider booking your trip with Air Canada, which is currently one of the cheapest options available, starting at £313. British Airways flights start at £318 while deals on JetBlue start at £332 one-way.

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

    Consider Singapore Airlines (84%), American Airlines (83%) or Aer Lingus (83%) when booking your flight. These represent the most reliable airlines when flying from Las Vegas to London Heathrow Airport.

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

    Looking at all options, your cheapest flight can be booked for £280. While the most popular route (Las Vegas Harry Reid Intl - London Heathrow) can be booked for £507 on average our data indicates £936 when flying from Las Vegas to London Heathrow Airport.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Las Vegas to Heathrow 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 Las Vegas to London Heathrow Airport?

    Currently, January is the cheapest month in which you can book a flight from Las Vegas to London Heathrow Airport (average of £112). Flying from Las Vegas to London Heathrow Airport in August is currently the most expensive (average of £164). 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
Deal
Hounslow
Milton Keynes
Gatwick
Luton
Slough
Croydon
Eastbourne
Northampton
Ilford
Hayes
Southend-on-Sea
Crawley
Wembley
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Dartford

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Alternative routes for Las Vegas to Heathrow

See prices for flight routes from nearby airports that may be better suited for you.
Las Vegas to Gatwick flights
Las Vegas to London City flights
Reno to Heathrow flights
Reno to Gatwick flights
Las Vegas to Luton flights

Top 3 airlines flying from Las Vegas to Heathrow

Discover the top 3 airlines that operate flights from Las Vegas to Heathrow. 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 29 April 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£467Average£686FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Virgin AtlanticCheapest£509Average£696FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
KLMCheapest£697Average£770FlexibilityNo cancel feeOn-time75%
Search KLM 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 Las Vegas to Heathrow?

Cheapflights helps you search for flights from Las Vegas to Heathrow via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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

Cheapflights simply makes it quick and affordable to book flights from Las Vegas to Heathrow by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

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

Cheapflights does show flights with no change fees to all users. To see these options for flights from Las Vegas to Heathrow, users can toggle the no change fees filter when performing a flight search.

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

Yes, Cheapflights offers price alerts on Las Vegas to Heathrow flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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