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Cheap flights from Las Vegas to London from £149

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 7/12. Fares are subject to change and may not be available on all flights or dates of travel.
LAS — LON
13 12월 — 20 12월1
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 7 days in advance, depart on a Thursday or Wednesday 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 13 11월 2025.

Round-trip from

£438

One-way from

£149

Popular in

June

Cheapest in

February

Average price

£516

Good round-trip deal

£552 or less

Good one-way deal

£372 or less
Delta
  • Delta
  • 3/12-9/12
  • 1 total stop
  • 23h 30m total
  • Las Vegas to London
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7/12
  • 7/12
  • 2 total stops
  • 23h 28m total
  • Las Vegas to London
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Highest demand for flights based on searches. 24% potential increase in price (£152 potential increase over avg. return price).
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Cheapest flight prices on average. 4% potential price decrease (£20 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 13 11월 2025.

일 16/1114:50LAS - LHR
1 stop12h 50mVirgin Atlantic
화 2/1214:45LHR - LAS
1 stop16h 05mVirgin Atlantic
Deal found 11/11£438
수 3/1220:45LAS - LHR
Nonstop9h 55mMultiple Airlines
화 9/1208:40LHR - LAS
1 stop13h 35mMultiple Airlines
Deal found 12/11£439
월 17/1106:15LAS - LHR
1 stop21h 35mAir Canada
수 3/1206:50LHR - LAS
2 stops21h 49mAir Canada
Deal found 11/11£439
수 3/1207:14LAS - LHR
1 stop16h 36mDelta
화 9/1208:40LHR - LAS
1 stop13h 35mDelta
Deal found 11/11£442
화 18/1109:33LAS - LHR
1 stop13h 32mKLM
화 9/1208:40LHR - LAS
1 stop13h 35mKLM
Deal found 12/11£442
일 16/1121:05LAS - LHR
Nonstop9h 50mDelta
화 2/1216:00LHR - LAS
Nonstop10h 50mDelta
Deal found 11/11£443
화 18/1107:25LAS - LHR
1 stop18h 10mDelta
화 25/1116:00LHR - LAS
Nonstop10h 50mDelta
Deal found 12/11£447
수 31/1206:32LAS - LHR
2 stops16h 33mDelta
금 9/117:20LHR - LAS
Nonstop10h 50mDelta
Deal found 12/11£450
화 2/1216:05LAS - LCY
1 stop16h 30mVirgin Atlantic
화 9/1208:40LCY - LAS
1 stop13h 35mVirgin Atlantic
Deal found 11/11£465
월 15/1206:00LAS - LGW
2 stops20h 00mMultiple Airlines
목 15/114:00LGW - LAS
1 stop28h 10mMultiple Airlines
Deal found 12/11£468
월 15/1206:00LAS - LGW
2 stops20h 00mMultiple Airlines
토 17/114:00LGW - LAS
1 stop28h 10mMultiple Airlines
Deal found 12/11£481
화 2/1212:10LAS - LGW
2 stops24h 50mMultiple Airlines
화 9/1208:10LGW - LAS
2 stops20h 29mMultiple Airlines
Deal found 11/11£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 13 11월 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

수 3/12

07:25-08:05

1 stop16h 40m

London Heathrow

화 9/12

06:30-14:15

1 stop15h 45m

£442

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

수 31/12

10:17-07:05

1 stop12h 48m

London Heathrow

금 9/1

17:20-20:10

Nonstop10h 50m

£447

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

수 11/2

20:45-14:40

Nonstop9h 55m

London Heathrow

목 19/2

16:00-18:50

Nonstop10h 50m

£449

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

수 4/2

09:32-17:40

2 stops24h 08m

London Heathrow

월 9/2

06:40-22:16

2 stops23h 36m

£456

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

수 11/2

10:55-10:00

1 stop15h 05m

London Heathrow

화 17/2

11:50-21:00

1 stop17h 10m

£456

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

목 12/3

07:05-17:40

2 stops27h 35m

London Heathrow

화 17/3

06:40-22:05

2 stops22h 25m

£456

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

월 2/2

07:02-17:40

2 stops26h 38m

London Heathrow

토 21/2

10:20-23:13

2 stops20h 53m

£456

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

화 10/3

13:05-21:40

2 stops25h 35m

London Heathrow

화 17/3

06:40-22:44

2 stops23h 04m

£456

Las VegasLondon

LAS - LTN

LASLTN

Las Vegas Harry Reid Intl

월 16/2

09:00-22:20

2 stops29h 20m

London Luton

월 23/2

17:00-20:39

3 stops35h 39m

£458

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

수 11/3

07:05-16:25

3 stops26h 20m

London Heathrow

월 16/3

06:40-22:05

2 stops22h 25m

£458

Flights are sorted by cheapest return flights first.

Deals found on 11/11

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 7 November 2025.

Booking 7 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 £294). Flying from Las Vegas to London in June is currently the most expensive (average of £749). 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 13 11월 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 13 11월 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 33% 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 £595.

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 Los Angeles (LAX) offer the fastest connection on this route, with an average stopover time of 1h 18m.

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 13 11월 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
8,007 reviews
Check prices

Crew

8.5

Boarding

8.1

Overall

7.9

Food

7.3

Entertainment

7.9

Comfort

7.9

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
8,007 reviews
Delta
7.9
Good
8,007 reviews
Check prices

Crew

8.5

Boarding

8.1

Overall

7.9

Food

7.3

Entertainment

7.9

Comfort

7.9

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
673 reviews
Delta
7.9
Good
8,007 reviews
Check prices

Crew

8.5

Boarding

8.1

Overall

7.9

Food

7.3

Entertainment

7.9

Comfort

7.9

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
7,516 reviews
Delta
7.9
Good
8,007 reviews
Check prices

Crew

8.5

Boarding

8.1

Overall

7.9

Food

7.3

Entertainment

7.9

Comfort

7.9

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 2 different airlines.

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

    A quick flight from Las Vegas to London can take about 16h 30m. Delta provides one of the quickest options available for as low as £481. 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 are the cheapest airlines flying from Las Vegas to London round-trip?

    Flying on Virgin Atlantic is currently your cheapest option to London, with prices starting at £423. Another option worth looking into is British Airways, starting at £475 return. Virgin Atlantic is priced at 31% lower than the current average price of a flight leaving 3 months from now.

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

    The cheapet airlines for a one-way flight from Las Vegas to London are WestJet (£187), SWISS (£313), and Lufthansa (£318).

  • 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 (79%), Finnair (78%) or Iberia (78%) 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 £570 for a flight from Las Vegas to London. The cheapest flight overall is £317 while the most popular route, (Las Vegas Harry Reid Intl - London Heathrow) is currently priced at £401.

  • 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 £294). Flying from Las Vegas to London in June is currently the most expensive (average of £749). 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
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Croydon
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Luton
Ilford
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Browse thousands of different options on Cheapflights for your next trip

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Top 2 airlines flying from Las Vegas to London

Discover the top 2 airlines 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 13 11월 2025.
AirlineCheapestAverageFlexibilityOn-time
Virgin AtlanticCheapest£423Average£708FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
British AirwaysCheapest£475Average£656FlexibilityNo cancel feeOn-time70%
Search British Airways 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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