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

Flying on Scandinavian Airlines is currently your cheapest option to London, with prices starting at £510. Additional return tickets that might be worth considering are offered by British Airways and Delta, with the lowest prices starting at £519 and £521, respectively. Scandinavian Airlines is priced at 13% 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 (£269), Air Canada (£313), and British Airways (£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 cheapest flights from Las Vegas to London?

On average you can expect to pay £823 for a flight from Las Vegas to London. The cheapest flight overall is £280 while the most popular route, (Las Vegas Harry Reid Intl - London Heathrow) is currently priced at £507.

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

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.

What are the most popular airlines that fly from Las Vegas to London?

Before booking your flight from Las Vegas to London check out the most popular airlines for this route: British Airways, KLM or Virgin Atlantic.

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

Monday flights are found to be more expensive to fly from Las Vegas to London. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to London.

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

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 16 days in advance, which can save you up to 42% on flights from Las Vegas to London compared to booking the week you need them. Waiting 16 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at £514. For sooner than that we have options available in the next 3 days from £744.

What is the cheapest month to fly from Las Vegas to London?

Flights from Las Vegas to London lean towards being more expensive in June. Prices are generally better when you fly from Las Vegas to London in January, with the cheapest ticket starting at £247.

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 11 flights from Harry Reid Intl to London per day from 3 different airlines.

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.

£223+ Flights from Las Vegas to London

Cheapflights Tip: The best prices from Las Vegas Harry Reid Intl to London are usually found in January or February, booked 15 days in advance, depart on a Thursday or Saturday and return on a Tuesday

Cheap flight deals from Las Vegas to London

Round-trip from	£503
One-way from	£223
Popular in	June
Cheapest in	January
Average price	£565
Good round-trip deal	£696 or less
Good one-way deal	£265 or less

18/5-21/5
2 total stops
38h 35m total
Las Vegas to London

Search Deals

31/5
2 total stops
38h 10m total
Las Vegas to London

Search Deals

Highest demand for flights based on searches. 27% potential increase in price (£166 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease (£20 potential savings vs. average return price).

Search Deals

Average for round-trip flights in April 2025

Search Deals

Price to beat on a round-trip flight from Las Vegas Harry Reid Intl to London (LON).

Search Deals

Price to beat on a one-way flight from Las Vegas Harry Reid Intl to London (LON).

Search Deals

Find flight deals from Las Vegas to London

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 28 April 2025.

Sun 18/505:35LAS - LGW

1 stop21h 20mMultiple Airlines

Wed 21/510:55LGW - LAS

1 stop17h 15mMultiple Airlines

Deal found 28/4£503

Tue 2/907:05LAS - LHR

2 stops26h 35mScandinavian Airlines

Mon 15/907:05LHR - LAS

2 stops22h 50mScandinavian Airlines

Deal found 28/4£516

Mon 18/822:00LAS - LHR

Nonstop10h 00mBritish Airways

Wed 27/817:20LHR - LAS

Nonstop10h 40mBritish Airways

Deal found 28/4£519

Tue 29/709:00LAS - LGW

1 stop17h 00mDelta

Wed 3/912:00LGW - LAS

1 stop17h 54mDelta

Deal found 28/4£521

Wed 24/911:25LAS - LHR

1 stop14h 10mMultiple Airlines

Wed 8/1010:30LHR - LAS

2 stops19h 42mMultiple Airlines

Deal found 28/4£522

Wed 24/906:54LAS - LGW

2 stops17h 41mAmerican Airlines

Wed 8/1010:40LGW - LAS

2 stops19h 06mAmerican Airlines

Deal found 27/4£524

Sat 13/917:55LAS - LGW

Nonstop10h 00mBritish Airways

Tue 30/910:25LGW - LAS

Nonstop10h 55mBritish Airways

Deal found 27/4£525

Tue 23/910:40LAS - LGW

1 stop14h 55mJetBlue

Wed 1/1012:10LGW - LAS

1 stop18h 25mJetBlue

Deal found 28/4£529

Wed 7/510:20LAS - STN

3 stops26h 35mMultiple Airlines

Sun 11/507:00STN - LAS

2 stops45h 10mMultiple Airlines

Deal found 28/4£535

Wed 20/821:10LAS - LHR

Nonstop9h 55mDelta

Tue 26/816:35LHR - LAS

Nonstop10h 45mDelta

Deal found 28/4£541

Tue 29/708:00LAS - LHR

2 stops18h 00mAir Canada

Wed 3/912:05LHR - LAS

2 stops18h 07mAir Canada

Deal found 28/4£546

Mon 22/919:20LAS - LGW

1 stop14h 30mSWISS

Tue 30/918:35LGW - LAS

2 stops53h 32mSWISS

Deal found 28/4£550

Best flights from Las Vegas to London
Discover carefully curated flight deals from Las Vegas to London that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 28 April 2025.

Sun 18/505:35LAS - LGW

1 stop21h 20mMultiple Airlines

Wed 21/510:55LGW - LAS

1 stop17h 15mMultiple Airlines

Deal found 28/4£503

Wed 8/1009:25LAS - LHR

2 stops22h 35mScandinavian Airlines

Wed 15/1006:40LHR - LAS

2 stops23h 15mScandinavian Airlines

Deal found 27/4£510

Mon 18/822:00LAS - LHR

Nonstop10h 00mBritish Airways

Wed 27/817:20LHR - LAS

Nonstop10h 40mBritish Airways

Deal found 28/4£519

Tue 29/709:00LAS - LGW

1 stop17h 00mDelta

Wed 3/912:00LGW - LAS

1 stop17h 54mDelta

Deal found 28/4£521

Wed 24/906:54LAS - LGW

2 stops17h 41mAmerican Airlines

Wed 8/1010:40LGW - LAS

2 stops19h 06mAmerican Airlines

Deal found 27/4£524

Tue 23/910:40LAS - LGW

1 stop14h 55mJetBlue

Wed 1/1012:10LGW - LAS

1 stop18h 25mJetBlue

Deal found 28/4£529

Wed 20/806:00LAS - LHR

2 stops16h 30mUnited Airlines

Fri 29/807:30LHR - LAS

2 stops17h 40mUnited Airlines

Deal found 26/4£543

Tue 29/708:00LAS - LHR

2 stops18h 00mAir Canada

Wed 3/912:05LHR - LAS

2 stops18h 07mAir Canada

Deal found 28/4£546

Wed 1/1022:05LAS - LHR

Nonstop10h 00mIberia

Thu 16/1017:15LHR - LAS

Nonstop10h 40mIberia

Deal found 27/4£546

Mon 22/919:20LAS - LGW

1 stop14h 30mSWISS

Tue 30/918:35LGW - LAS

2 stops53h 32mSWISS

Deal found 28/4£550

Mon 11/821:10LAS - LHR

1 stop15h 30mLufthansa

Mon 25/809:30LHR - LAS

1 stop14h 50mLufthansa

Deal found 27/4£563

Wed 1/1020:25LAS - LCY

1 stop12h 55mKLM

Thu 9/1010:00LCY - LAS

1 stop16h 35mKLM

Deal found 28/4£567

Direct flights from Las Vegas to London
Explore direct flight options from Las Vegas to London based on user searches, and compare prices and availability for your desired travel dates. Data last updated 28 April 2025.

Mon 18/822:00LAS - LHR

Nonstop10h 00mBritish Airways

Wed 27/817:20LHR - LAS

Nonstop10h 40mBritish Airways

Deal found 28/4£519

Sat 13/917:55LAS - LGW

Nonstop10h 00mBritish Airways

Tue 30/910:25LGW - LAS

Nonstop10h 55mBritish Airways

Deal found 28/4£525

Wed 20/821:10LAS - LHR

Nonstop9h 55mDelta

Tue 26/816:35LHR - LAS

Nonstop10h 45mDelta

Deal found 28/4£541

Wed 1/1022:05LAS - LHR

Nonstop10h 00mIberia

Thu 16/1017:15LHR - LAS

Nonstop10h 40mIberia

Deal found 27/4£546

Thu 14/821:10LAS - LHR

Nonstop9h 55mVirgin Atlantic

Mon 18/816:35LHR - LAS

Nonstop10h 45mVirgin Atlantic

Deal found 27/4£716

Sat 12/717:55LAS - LGW

Nonstop10h 00mIberia

Sat 26/713:00LGW - LAS

Nonstop11h 00mIberia

Deal found 28/4£761

Sun 25/522:00LAS - LHR

Nonstop10h 00mMultiple Airlines

Tue 10/617:20LHR - LAS

Nonstop10h 40mMultiple Airlines

Deal found 27/4£876

Thu 29/515:10LAS - LGW

Nonstop10h 10mAmerican Airlines

Tue 3/610:25LGW - LAS

Nonstop10h 55mAmerican Airlines

Deal found 27/4£2,748

Tue 27/515:10LAS - LGW

Nonstop10h 10mFinnair

Thu 5/610:25LGW - LAS

Nonstop10h 55mFinnair

Deal found 27/4£2,925

Sat 12/717:55LAS - LGW

Nonstop10h 00mMultiple Airlines

Sat 26/713:00LGW - LAS

Nonstop11h 00mMultiple Airlines

Deal found 27/4£3,161

Last-minute flights from Las Vegas to London
Discover last-minute flight deals from Las Vegas to London. Data last updated 28 April 2025 and is based on user searches.

Thu 1/514:17LAS - LTN

2 stops23h 53mMultiple Airlines

Thu 29/506:05LTN - LAS

2 stops25h 23mMultiple Airlines

Deal found 27/4£555

Sat 3/505:15LAS - LHR

1 stop17h 25mMultiple Airlines

Tue 6/509:55LHR - LAS

2 stops32h 03mMultiple Airlines

Deal found 26/4£687

Mon 5/500:40LAS - LHR

1 stop22h 00mBritish Airways

Thu 22/509:55LHR - LAS

1 stop17h 15mBritish Airways

Deal found 26/4£750

Mon 5/510:44LAS - LHR

1 stop14h 46mJetBlue

Thu 22/508:25LHR - LAS

1 stop19h 20mJetBlue

Deal found 28/4£594

Mon 5/509:49LAS - LHR

2 stops19h 36mAer Lingus

Thu 22/512:00LHR - LAS

2 stops18h 05mAer Lingus

Deal found 28/4£696

Tue 6/510:18LAS - LHR

2 stops20h 37mAer Lingus

Thu 22/508:50LHR - LAS

2 stops21h 15mAer Lingus

Deal found 26/4£665

Tue 6/515:10LAS - LGW

Nonstop10h 10mIberia

Thu 22/510:25LGW - LAS

Nonstop10h 55mIberia

Deal found 26/4£704

Tue 6/521:10LAS - LHR

Nonstop9h 55mVirgin Atlantic

Thu 22/508:40LHR - LAS

1 stop13h 35mVirgin Atlantic

Deal found 26/4£725

Tue 6/510:59LAS - LCY

2 stops17h 31mSWISS

Thu 22/509:25LCY - LAS

1 stop15h 10mSWISS

Deal found 26/4£758

Tue 6/516:05LAS - LCY

1 stop17h 15mVirgin Atlantic

Thu 22/509:20LCY - LAS

1 stop12h 55mVirgin Atlantic

Deal found 26/4£762

Wed 7/510:20LAS - LGW

3 stops22h 45mMultiple Airlines

Sun 11/509:00LGW - LAS

2 stops43h 10mMultiple Airlines

Deal found 28/4£519

Wed 7/510:20LAS - STN

3 stops26h 35mMultiple Airlines

Sun 11/507:00STN - LAS

2 stops45h 10mMultiple Airlines

Deal found 28/4£535

One-way flights from Las Vegas to London
Search for one-way flight options from Las Vegas to London. Find affordable one-way fares based on user searches. Data last updated 28 April 2025.

Sat 31/509:55LAS - STN

2 stops38h 10mMultiple Airlines

Deal found 28/4£223

Sun 25/505:35LAS - LGW

1 stop21h 20mMultiple Airlines

Deal found 27/4£225

Sat 31/516:45LAS - LTN

2 stops55h 05mMultiple Airlines

Deal found 27/4£225

Thu 31/710:24LAS - LHR

2 stops23h 21mMultiple Airlines

Deal found 27/4£235

Tue 15/710:35LAS - SEN

3 stops28h 30mMultiple Airlines

Deal found 28/4£267

Sun 22/621:10LAS - LGW

3 stops28h 15mWestJet

Deal found 28/4£269

Sat 31/516:45LAS - LCY

2 stops58h 25mMultiple Airlines

Deal found 28/4£287

Sun 24/823:20LAS - LHR

1 stop26h 15mAir Canada

Deal found 28/4£313

Tue 5/815:10LAS - LGW

Nonstop10h 10mBritish Airways

Deal found 28/4£318

Tue 5/822:05LAS - LHR

Nonstop10h 00mBritish Airways

Deal found 28/4£318

Tue 5/809:00LAS - LGW

1 stop17h 00mDelta

Deal found 28/4£324

Sun 24/800:59LAS - LHR

1 stop22h 41mUnited Airlines

Deal found 28/4£324

Cheapflights Fare Finder

Use the filters below to find and compare flights from Las Vegas to London that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Las VegasLondon

LAS - LGW

LASLGW

Las Vegas Harry Reid Intl

Sun 18/5

05:35-10:55

1 stop21h 20m

London Gatwick

Wed 21/5

10:55-20:10

1 stop17h 15m

£503

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Wed 3/9

11:25-09:35

1 stop14h 10m

London Heathrow

Wed 17/9

20:05-16:35

1 stop28h 30m

£507

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Wed 8/10

09:25-16:00

2 stops22h 35m

London Heathrow

Wed 15/10

06:40-21:55

2 stops23h 15m

£510

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Mon 18/8

22:00-16:00

Nonstop10h 00m

London Heathrow

Wed 27/8

17:20-20:00

Nonstop10h 40m

£519

Las VegasLondon

LAS - LGW

LASLGW

Las Vegas Harry Reid Intl

Tue 29/7

09:00-10:00

1 stop17h 00m

London Gatwick

Wed 3/9

12:00-21:54

1 stop17h 54m

£521

Las VegasLondon

LAS - LGW

LASLGW

Las Vegas Harry Reid Intl

Wed 24/9

06:54-08:35

2 stops17h 41m

London Gatwick

Wed 8/10

10:40-21:46

2 stops19h 06m

£524

Las VegasLondon

LAS - LGW

LASLGW

Las Vegas Harry Reid Intl

Sat 13/9

17:55-11:55

Nonstop10h 00m

London Gatwick

Tue 30/9

10:25-13:20

Nonstop10h 55m

£525

Las VegasLondon

LAS - LGW

LASLGW

Las Vegas Harry Reid Intl

Tue 23/9

10:40-09:35

1 stop14h 55m

London Gatwick

Wed 1/10

12:10-22:35

1 stop18h 25m

£529

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

06:00-06:30

2 stops16h 30m

London Heathrow

Fri 29/8

07:30-17:10

2 stops17h 40m

£543

Flights are sorted by cheapest return flights first.

Deals found on 28/4

Showing 1-10 of 60 results

...

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?

Booking 15 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, January is the cheapest month in which you can book a flight from Las Vegas to London (average of £112). Flying from Las Vegas to London 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 LON?

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 evening tend to be the most expensive. A flight in the afternoon could potentially save you up to 39% on airfare.

What is the cheapest day to fly from Las Vegas to London?

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

Weekly flight availability from Las Vegas to London

The most flights from LAS to LON are scheduled on a Saturday (13 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (9 on average).

Rainfall in London by month

In terms of precipitation, rainfall in London 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 when rainfall is around 40.0 mm.

Temperature in London by month

If weather is an important factor for your trip to London, 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 London

To help decide which airline to fly from Las Vegas to London, see what other customers have to say about Delta, KLM and SWISS. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very Good

7,929 reviews

Check prices

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

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.

KLM

7.8

Good

1,333 reviews

Delta

8.0

Very Good

7,929 reviews

Check prices

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

1,587 reviews

Delta

8.0

Very Good

7,929 reviews

Check prices

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

8,694 reviews

Delta

8.0

Very Good

7,929 reviews

Check prices

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

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

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 11 flights from Harry Reid Intl to London per day from 3 different airlines.
What are the cheapest airlines flying from Las Vegas to London round-trip?
Flying on Scandinavian Airlines is currently your cheapest option to London, with prices starting at £510. Additional return tickets that might be worth considering are offered by British Airways and Delta, with the lowest prices starting at £519 and £521, respectively. Scandinavian Airlines is priced at 13% 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 (£269), Air Canada (£313), and British Airways (£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 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.
What are the cheapest flights from Las Vegas to London?
On average you can expect to pay £823 for a flight from Las Vegas to London. The cheapest flight overall is £280 while the most popular route, (Las Vegas Harry Reid Intl - London Heathrow) is currently priced at £507.
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, January is the cheapest month in which you can book a flight from Las Vegas to London (average of £112). Flying from Las Vegas to London 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

Deal

Hounslow

Milton Keynes

Gatwick

Luton

Slough

Croydon

Eastbourne

Ilford

Hayes

Southend-on-Sea

Crawley

Wembley

Ipswich

Maidstone

Winchester

Folkestone

Dartford

Watford

Chichester

Browse thousands of different options on Cheapflights for your next trip

Top 3 airlines flying from Las Vegas to London

Airline	Cheapest	Average	Flexibility	On-time
British Airways	Cheapest£467	Average£686	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
Virgin Atlantic	Cheapest£509	Average£696	FlexibilityNo cancel fee	On-time72%	Search Virgin Atlantic flights
KLM	Cheapest£697	Average£770	FlexibilityNo cancel fee	On-time75%	Search KLM flights

Fly with Cheapflights

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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Cheap flights from Las Vegas to London from £223

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 31/5. Fares are subject to change and may not be available on all flights or dates of travel.

Cheapflights Tip: The best prices from Las Vegas Harry Reid Intl to London are usually found in January or February, booked 15 days in advance, depart on a Thursday or Saturday and return on a Tuesday

Cheap flight deals from Las Vegas to London

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find flight deals from Las Vegas to London

Cheapest flights from Las Vegas to LondonExplore 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 28 April 2025.

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 28 April 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Las Vegas to London that are best for you.

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.

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 25 April 2025.

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

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 28 April 2025.

What is the cheapest day to fly from Las Vegas to London?

Use this chart to determine the cheapest time to fly return from Las Vegas to London. Price data was last updated on 26 May 2024.

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 28 April 2025.

Rainfall in London by month

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

Temperature in London by month

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

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 28 April 2025.

To help decide which airline to fly from Las Vegas to London, see what other customers have to say about Delta, KLM and SWISS. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

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?

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

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

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

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

What are the cheapest flights from Las Vegas to London?

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

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

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

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

Travelling to a place near Las Vegas?

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Alternative routes for Las Vegas to London

See prices for flight routes from nearby airports that may be better suited for you.

Top 3 airlines flying from Las Vegas to London

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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 28 April 2025.