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Cheap flights from Las Vegas to London from £145

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 15/1. Fares are subject to change and may not be available on all flights or dates of travel.
LAS — LON
27 Dec — 3 Jan1
1 adult
1 adult, Economy, 0 bags

Cheapflights Tip: The best prices from Las Vegas Harry Reid Intl to London are usually found in February or January, booked 8 days in advance, depart on a Sunday or Thursday and return on a Tuesday

Cheap flight deals from Las Vegas to London

Discover tips and strategies to find the most affordable flight options for your journey from Las Vegas (LAS) to London (LON). 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 27 November 2025.

Round-trip from

£452

One-way from

£145

Popular in

June

Cheapest in

February

Average price

£520

Good round-trip deal

£457 or less

Good one-way deal

£355 or less
Scandinavian Airlines
  • Scandinavian Airlines
  • 4/2-18/2
  • 4 total stops
  • 42h 13m total
  • Las Vegas to London
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15/1
  • 15/1
  • 3 total stops
  • 33h 35m total
  • Las Vegas to London
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Highest demand for flights based on searches. 24% potential increase in price (£151 potential increase over avg. return price).
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Cheapest flight prices on average. 4% potential price decrease (£21 potential savings vs. average return price).
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Average for round-trip flights in November 2025
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Price to beat on a round-trip flight from Las Vegas Harry Reid Intl to London (LON).
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Price to beat on a one-way flight from Las Vegas Harry Reid Intl to London (LON).
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Find flight deals from Las Vegas to London

Enter your travel dates to find the best prices.

Cheapest flights from Las Vegas to London
Explore the most affordable flight options available from Las Vegas to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 27 November 2025.

Tue 30/1213:43LAS - LHR
1 stop11h 57mMultiple Airlines
Tue 27/106:50LHR - LAS
2 stops21h 49mMultiple Airlines
Deal found 24/11£457
Thu 4/1210:00LAS - LHR
1 stop14h 35mIberia
Wed 10/1214:10LHR - LAS
1 stop15h 03mIberia
Deal found 25/11£458
Wed 31/1205:30LAS - LHR
2 stops17h 40mAir Canada
Mon 26/106:50LHR - LAS
2 stops21h 49mAir Canada
Deal found 24/11£459
Wed 31/1206:15LAS - LHR
1 stop19h 45mDelta
Mon 26/111:45LHR - LAS
1 stop34h 30mDelta
Deal found 24/11£460
Tue 30/1209:55LAS - LHR
1 stop13h 30mMultiple Airlines
Mon 12/112:05LHR - LAS
2 stops40h 47mMultiple Airlines
Deal found 26/11£461
Mon 29/1200:59LAS - LHR
1 stop22h 31mUnited Airlines
Tue 27/106:50LHR - LAS
2 stops19h 40mUnited Airlines
Deal found 24/11£467
Tue 30/1212:27LAS - LHR
1 stop34h 38mDelta
Mon 26/110:00LHR - LAS
1 stop36h 15mDelta
Deal found 24/11£468
Tue 30/1216:56LAS - LHR
1 stop13h 04mAmerican Airlines
Mon 12/114:45LHR - LAS
1 stop15h 49mAmerican Airlines
Deal found 26/11£470
Thu 4/1206:15LAS - LHR
2 stops19h 55mMultiple Airlines
Tue 9/1213:25LHR - LAS
1 stop15h 14mMultiple Airlines
Deal found 26/11£470
Thu 4/1209:10LAS - LHR
1 stop14h 00mMultiple Airlines
Wed 10/1206:00LHR - LAS
2 stops23h 58mMultiple Airlines
Deal found 25/11£471
Thu 11/1220:06LAS - LHR
1 stop12h 44mVirgin Atlantic
Mon 12/120:25LHR - LAS
1 stop25h 50mVirgin Atlantic
Deal found 26/11£473
Thu 11/1222:20LAS - LGW
1 stop27h 40mMultiple Airlines
Mon 12/113:00LGW - LAS
1 stop30h 12mMultiple Airlines
Deal found 26/11£486

Cheapflights Fare Finder

 
Customise your flight search to find flights from Las Vegas to London 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 27 November 2025.
Use the filters below to find and compare flights from Las Vegas to London that are best for you.

Fly from

Las Vegas

Fly to

London

Route

Depart

Return

Price

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Wed 11/3

09:36-17:40

2 stops25h 04m

London Heathrow

Tue 17/3

07:05-23:12

3 stops23h 07m

£455

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Tue 10/3

09:36-17:40

2 stops25h 04m

London Heathrow

Tue 17/3

07:05-21:12

3 stops21h 07m

£455

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Thu 12/3

07:00-16:00

2 stops26h 00m

London Heathrow

Mon 16/3

07:05-21:12

3 stops21h 07m

£455

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Sun 1/3

00:50-07:05

1 stop22h 15m

London Heathrow

Tue 10/3

11:20-21:12

1 stop16h 52m

£457

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Wed 1/4

22:10-16:05

Nonstop9h 55m

London Heathrow

Tue 14/4

10:05-17:32

1 stop15h 27m

£465

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Mon 5/1

22:55-16:50

Nonstop9h 55m

London Heathrow

Sun 18/1

16:35-19:15

Nonstop10h 40m

£465

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Thu 8/1

11:15-07:05

1 stop11h 50m

London Heathrow

Fri 23/1

16:00-18:50

Nonstop10h 50m

£468

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Wed 7/1

09:35-07:05

1 stop13h 30m

London Heathrow

Sun 11/1

12:20-20:26

1 stop16h 06m

£476

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Tue 10/2

20:55-14:50

Nonstop9h 55m

London Heathrow

Sat 21/2

16:05-18:50

Nonstop10h 45m

£483

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Sun 8/2

06:05-10:30

1 stop20h 25m

London Heathrow

Thu 19/2

16:00-18:50

Nonstop10h 50m

£487

Flights are sorted by cheapest return flights first.

Deals found on 25/11

Showing 1-10 of 60 results
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Best time to book a flight from Las Vegas to London

Have a flexible travel schedule? Discover the best time to fly to London 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

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

Use this chart to determine the optimal time to book a return flight from Las Vegas to London. Price data was last updated on 21 November 2025.

Booking 8 days in advance of your planned departure date is, on average, the best time to get cheap flights from Las Vegas to London. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, November is the cheapest month in which you can book a flight from Las Vegas to London (average of £292). Flying from Las Vegas to London in June is currently the most expensive (average of £745). 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 LON?

Find hourly flight availability from Las Vegas to London. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 27 November 2025.

One of the essential ways to save on airfare from Las Vegas to London is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight in the afternoon could potentially save you up to 27% on airfare.

Weekly flight availability from Las Vegas to London

Explore weekly flight availability from Las Vegas to London. 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 27 November 2025.

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

What’s the top stopover airport for flights from Las Vegas to London?

Share of one-stop return flights from Las Vegas to London chosen by Cheapflights users in the past 12 months, using the same stopover each way.

Los Angeles (LAX) – chosen by Cheapflights users on 27% of one-stop itineraries from Las Vegas to London on Cheapflights.

What’s the cheapest stopover airport for flights from Las Vegas to London?

Average return fare for one-stop flights from Las Vegas to London, chosen by Cheapflights users in the past 12 months, with the same stopover each way.

Boston (BOS) is the most affordable one-stop option, with an average return flight price of £592.

What’s the fastest stopover option from Las Vegas to London?

Shortest average travel time for one-stop one-way flights from Las Vegas to London, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.

Flights via Denver (DEN) have the shortest average one-way travel time for one-stop routes: 12h 07m.

Which airport typically offers the quickest stopover for flights from Las Vegas to London?

Average stopover duration for one-stop one-way flights from Las Vegas to London, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Denver (DEN) offer the fastest connection on this route, with an average stopover time of 1h 31m.

Reviews of airlines servicing London

Get insights into the airlines that provide service to London. 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 London. Reviews last updated 27 November 2025.
Read reviews from past customers who have flown with Delta, Virgin Atlantic, andBritish Airways from Las Vegas to London. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,003 reviews
Check prices

Overall

7.9

Boarding

8.1

Food

7.3

Entertainment

7.9

Comfort

7.9

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,003 reviews
Delta
7.9
Good
8,003 reviews
Check prices

Overall

7.9

Boarding

8.1

Food

7.3

Entertainment

7.9

Comfort

7.9

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Virgin Atlantic
7.5
Good
675 reviews
Delta
7.9
Good
8,003 reviews
Check prices

Overall

7.9

Boarding

8.1

Food

7.3

Entertainment

7.9

Comfort

7.9

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
British Airways
6.7
Okay
7,539 reviews
Delta
7.9
Good
8,003 reviews
Check prices

Overall

7.9

Boarding

8.1

Food

7.3

Entertainment

7.9

Comfort

7.9

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

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

    If you book a flight to London from Las Vegas, you will be flying from 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 Harry Reid Intl to London per day from 1 airline.

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

    A quick flight from Las Vegas to London can take about 17h 15m. Scandinavian Airlines provides one of the quickest options available for as low as £489. Airlines will cover a distance of 5228 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • What is the cheapest airline to fly from Las Vegas to London round-trip?

    Flying on Virgin Atlantic is currently your cheapest option to London, with prices starting at £421. Virgin Atlantic is priced at 31% lower than the current average price of a flight leaving 3 months from now.

  • What are the most popular routes from Las Vegas to London?

    While some choose either Las Vegas Harry Reid Intl - London Gatwick or Las Vegas Harry Reid Intl - London City, Las Vegas Harry Reid Intl - London Heathrow is the most popular route from Las Vegas to London.

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

    Consider KLM (78%), Air France (77%) or Delta (77%) when booking your flight. These represent the most reliable airlines when flying from Las Vegas to London.

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

    On average you can expect to pay £435 for a flight from Las Vegas to London. The cheapest flight overall is £312 while the most popular route, (Las Vegas Harry Reid Intl - London Heathrow) is currently priced at £397.

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

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

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

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

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

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

    Currently, November is the cheapest month in which you can book a flight from Las Vegas to London (average of £292). Flying from Las Vegas to London in June is currently the most expensive (average of £745). 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?

Book flights to London if you plan to visit one of these locations
Milton Keynes
Slough
Croydon
Hounslow
Gatwick
Luton
Ilford
Wembley
Deal
Hayes
Colchester
Watford
Brentford
Winchester
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Romford
Chichester
Bedford
Guildford
Ipswich

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from Las Vegas to London

Discover the top airline that operate flights from Las Vegas to London. 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 27 November 2025.
AirlineCheapestAverageFlexibilityOn-time
Virgin AtlanticCheapest£421Average£705FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic 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 London?

Deals for Las Vegas to London flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

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

Cheapflights simply makes it quick and affordable to book flights from Las Vegas to London 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 London with no change fees?

Certainly. Search results for flights to London from Las Vegas shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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

Of course! You can now track prices for flights from Las Vegas to London and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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