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

Flying on British Airways is currently your cheapest option to London, with prices starting at £541. Additional return tickets that might be worth considering are offered by Air Canada and SWISS, with the lowest prices starting at £542 and £542, respectively. British Airways is priced at 7% 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 JetBlue (£276), WestJet (£280), and Air Canada (£284).

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 Sunday afternoons when fares are most often at their lowest. Friday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

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

While some choose either Las Vegas Harry Reid Intl - London City or Las Vegas Harry Reid Intl - London Gatwick, 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 £952 for a flight from Las Vegas to London. The cheapest flight overall is £283 while the most popular route, (Las Vegas Harry Reid Intl - London Heathrow) is currently priced at £475.

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

Consider Finnair (93%), American Airlines (87%) or Aer Lingus (87%) when booking your flight. These represent the most reliable airlines when flying from Las Vegas to London.

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 9% 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 £375. For sooner than that we have options available in the next 3 days from £732.

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 £243.

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 10 flights from Harry Reid Intl to London per day from 2 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.

£272+ 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 Sunday and return on a Tuesday

Cheap flight deals from Las Vegas to London

Round-trip from	£540
One-way from	£272
Popular in	June
Cheapest in	January
Average price	£898
Good round-trip deal	£365 or less
Good one-way deal	£319 or less

9/7-23/7
6 total stops
57h 25m total
Las Vegas to London

Search Deals

29/8
2 total stops
22h 55m total
Las Vegas to London

Search Deals

Highest demand for flights based on searches. 27% potential increase in price (£164 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 5% potential price decrease (£21 potential savings vs. average return price).

Search Deals

Average for round-trip flights in June 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 13 June 2025.

Wed 9/700:52LAS - LHR

3 stops31h 48mMultiple Airlines

Wed 23/706:00LHR - LAS

3 stops25h 37mMultiple Airlines

Deal found 10/6£540

Fri 5/909:20LAS - LHR

1 stop13h 20mBritish Airways

Tue 9/917:20LHR - LAS

Nonstop10h 40mBritish Airways

Deal found 11/6£541

Mon 18/819:05LAS - LCY

1 stop15h 40mMultiple Airlines

Wed 27/819:10LCY - LAS

1 stop24h 55mMultiple Airlines

Deal found 12/6£542

Thu 25/923:59LAS - LHR

2 stops22h 31mAir Canada

Thu 2/1010:15LHR - LAS

2 stops20h 59mAir Canada

Deal found 12/6£542

Sat 20/918:49LAS - LCY

2 stops38h 41mSWISS

Tue 30/919:20LCY - LAS

2 stops52h 54mSWISS

Deal found 11/6£542

Mon 18/809:55LAS - LHR

2 stops23h 45mScandinavian Airlines

Wed 27/810:20LHR - LAS

2 stops18h 07mScandinavian Airlines

Deal found 12/6£542

Sun 21/900:19LAS - LGW

2 stops22h 01mMultiple Airlines

Thu 25/913:05LGW - LAS

1 stop17h 00mMultiple Airlines

Deal found 11/6£543

Tue 23/914:36LAS - LCY

2 stops17h 49mLufthansa

Thu 2/1008:45LCY - LAS

2 stops19h 54mLufthansa

Deal found 11/6£544

Sat 6/910:40LAS - LGW

1 stop14h 55mJetBlue

Tue 9/912:10LGW - LAS

1 stop17h 47mJetBlue

Deal found 11/6£545

Mon 1/921:10LAS - LHR

1 stop15h 30mLufthansa

Mon 8/919:30LHR - LAS

2 stops32h 54mLufthansa

Deal found 13/6£546

Mon 1/909:09LAS - LGW

1 stop16h 51mDelta

Mon 8/912:00LGW - LAS

1 stop18h 18mDelta

Deal found 13/6£549

Mon 18/819:05LAS - LHR

1 stop16h 15mSWISS

Sat 10/108:55LHR - LAS

2 stops19h 48mSWISS

Deal found 11/6£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 13 June 2025.

Wed 9/700:52LAS - LHR

3 stops31h 48mMultiple Airlines

Wed 23/706:00LHR - LAS

3 stops25h 37mMultiple Airlines

Deal found 10/6£540

Fri 5/909:20LAS - LHR

1 stop13h 20mBritish Airways

Tue 9/917:20LHR - LAS

Nonstop10h 40mBritish Airways

Deal found 11/6£541

Thu 25/923:59LAS - LHR

2 stops22h 31mAir Canada

Thu 2/1010:15LHR - LAS

2 stops20h 59mAir Canada

Deal found 12/6£542

Sat 20/918:49LAS - LCY

2 stops38h 41mSWISS

Fri 3/1009:25LCY - LAS

2 stops38h 49mSWISS

Deal found 11/6£542

Mon 18/809:55LAS - LHR

2 stops23h 45mScandinavian Airlines

Wed 27/810:20LHR - LAS

2 stops18h 07mScandinavian Airlines

Deal found 12/6£542

Tue 23/914:36LAS - LCY

2 stops17h 49mLufthansa

Thu 2/1008:45LCY - LAS

2 stops19h 54mLufthansa

Deal found 11/6£544

Sat 6/910:40LAS - LGW

1 stop14h 55mJetBlue

Tue 9/912:10LGW - LAS

1 stop17h 47mJetBlue

Deal found 11/6£545

Mon 1/909:09LAS - LGW

1 stop16h 51mDelta

Mon 8/912:00LGW - LAS

1 stop18h 18mDelta

Deal found 12/6£549

Wed 20/809:46LAS - LHR

1 stop12h 39mIberia

Sat 10/110:15LHR - LAS

1 stop17h 43mIberia

Deal found 11/6£553

Sun 3/820:25LAS - LCY

1 stop15h 15mKLM

Tue 19/810:00LCY - LAS

1 stop16h 35mKLM

Deal found 11/6£559

Sun 3/820:25LAS - LCY

1 stop12h 55mVirgin Atlantic

Tue 19/810:00LCY - LAS

1 stop16h 35mVirgin Atlantic

Deal found 11/6£560

Fri 15/811:10LAS - LHR

1 stop15h 15mUnited Airlines

Sun 24/806:30LHR - LAS

2 stops17h 44mUnited Airlines

Deal found 11/6£580

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 13 June 2025.

Fri 15/822:15LAS - LHR

Nonstop10h 00mAmerican Airlines

Thu 28/817:15LHR - LAS

Nonstop10h 40mAmerican Airlines

Deal found 11/6£542

Wed 1/1022:05LAS - LHR

Nonstop10h 00mBritish Airways

Thu 9/1017:15LHR - LAS

Nonstop10h 40mBritish Airways

Deal found 12/6£547

Wed 30/721:10LAS - LHR

Nonstop9h 55mDelta

Thu 7/816:35LHR - LAS

Nonstop10h 45mDelta

Deal found 13/6£559

Tue 15/715:10LAS - LGW

Nonstop10h 10mBritish Airways

Thu 24/710:25LGW - LAS

Nonstop10h 55mBritish Airways

Deal found 12/6£564

Tue 29/715:10LAS - LGW

Nonstop10h 10mIberia

Sat 9/813:00LGW - LAS

Nonstop11h 00mIberia

Deal found 13/6£572

Sat 23/817:55LAS - LGW

Nonstop10h 00mAmerican Airlines

Thu 4/910:25LGW - LAS

Nonstop10h 55mAmerican Airlines

Deal found 13/6£575

Tue 15/715:10LAS - LGW

Nonstop10h 10mFinnair

Tue 22/710:25LGW - LAS

Nonstop10h 55mFinnair

Deal found 11/6£581

Wed 24/921:10LAS - LHR

Nonstop9h 55mVirgin Atlantic

Wed 8/1016:35LHR - LAS

Nonstop10h 45mVirgin Atlantic

Deal found 13/6£589

Sat 26/722:00LAS - LHR

Nonstop10h 00mFinnair

Sat 2/817:10LHR - LAS

Nonstop10h 40mFinnair

Deal found 11/6£638

Sun 17/822:00LAS - LHR

Nonstop10h 00mMultiple Airlines

Tue 19/817:20LHR - LAS

Nonstop10h 40mMultiple Airlines

Deal found 11/6£981

Mon 3/1120:55LAS - LHR

Nonstop10h 00mIberia

Fri 7/1116:05LHR - LAS

Nonstop10h 45mIberia

Deal found 12/6£1,099

Last-minute flights from Las Vegas to London
Discover last-minute flight deals from Las Vegas to London. Data last updated 13 June 2025 and is based on user searches.

Wed 18/623:20LAS - LGW

2 stops24h 35mMultiple Airlines

Wed 25/610:00LGW - LAS

1 stop21h 29mMultiple Airlines

Deal found 11/6£634

Wed 18/608:00LAS - LHR

2 stops20h 05mMultiple Airlines

Wed 25/615:05LHR - LAS

2 stops31h 44mMultiple Airlines

Deal found 11/6£718

Wed 18/609:55LAS - STN

2 stops22h 25mMultiple Airlines

Wed 25/608:15STN - LAS

2 stops21h 40mMultiple Airlines

Deal found 11/6£748

Wed 18/609:55LAS - LTN

2 stops21h 30mMultiple Airlines

Wed 25/607:40LTN - LAS

2 stops22h 15mMultiple Airlines

Deal found 11/6£790

Wed 18/622:55LAS - LGW

1 stop25h 00mPorter Airlines

Wed 2/709:40LGW - LAS

1 stop31h 10mPorter Airlines

Deal found 11/6£824

Wed 18/622:55LAS - LGW

1 stop27h 50mAir Transat

Fri 4/709:40LGW - LAS

1 stop20h 15mAir Transat

Deal found 12/6£857

Wed 18/621:10LAS - LHR

2 stops30h 55mWestJet

Wed 2/714:10LHR - LAS

1 stop15h 20mWestJet

Deal found 12/6£985

Fri 20/621:05LAS - LHR

1 stop15h 40mJetBlue

Tue 1/708:15LHR - LAS

1 stop22h 34mJetBlue

Deal found 12/6£935

Fri 20/613:25LAS - LHR

2 stops38h 20mTurkish Airlines

Mon 7/713:25LHR - LAS

2 stops27h 35mTurkish Airlines

Deal found 10/6£1,069

Fri 20/608:00LAS - LGW

2 stops30h 20mTurkish Airlines

Tue 1/705:20LGW - LAS

2 stops35h 40mTurkish Airlines

Deal found 11/6£1,095

Fri 20/611:45LAS - LGW

1 stop13h 50mTAP AIR PORTUGAL

Tue 1/721:15LGW - LAS

2 stops43h 21mTAP AIR PORTUGAL

Deal found 11/6£1,228

Fri 20/610:10LAS - LHR

1 stop15h 20mTAP AIR PORTUGAL

Tue 1/719:50LHR - LAS

2 stops35h 14mTAP AIR PORTUGAL

Deal found 11/6£1,257

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 13 June 2025.

Fri 29/811:30LAS - STN

2 stops22h 55mMultiple Airlines

Deal found 11/6£272

Sun 5/1000:41LAS - LGW

2 stops21h 39mMultiple Airlines

Deal found 11/6£272

Sat 12/709:12LAS - LTN

2 stops32h 18mMultiple Airlines

Deal found 11/6£275

Sat 26/721:25LAS - LHR

1 stop25h 05mJetBlue

Deal found 12/6£276

Sat 6/911:26LAS - LHR

3 stops24h 54mMultiple Airlines

Deal found 12/6£277

Tue 15/712:41LAS - LCY

3 stops24h 44mMultiple Airlines

Deal found 11/6£278

Wed 12/1112:40LAS - LHR

2 stops16h 10mWestJet

Deal found 11/6£280

Mon 27/1009:10LAS - LHR

1 stop15h 00mAir Canada

Deal found 11/6£284

Thu 31/711:45LAS - LGW

1 stop13h 50mJetBlue

Deal found 11/6£290

Wed 10/908:32LAS - SEN

3 stops28h 18mMultiple Airlines

Deal found 11/6£294

Mon 27/1022:45LAS - LHR

Nonstop9h 55mVirgin Atlantic

Deal found 11/6£302

Mon 4/800:59LAS - LHR

1 stop22h 41mUnited Airlines

Deal found 11/6£304

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 - LHR

LASLHR

Las Vegas Harry Reid Intl

Wed 9/7

00:52-16:40

3 stops31h 48m

London Heathrow

Wed 23/7

06:00-23:37

3 stops25h 37m

£540

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Fri 5/9

09:20-06:40

1 stop13h 20m

London Heathrow

Tue 9/9

17:20-20:00

Nonstop10h 40m

£541

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Thu 25/9

23:59-06:30

2 stops22h 31m

London Heathrow

Thu 2/10

10:15-23:14

2 stops20h 59m

£542

Las VegasLondon

LAS - LCY

LASLCY

Las Vegas Harry Reid Intl

Mon 18/8

19:05-18:45

1 stop15h 40m

London City

Wed 27/8

19:10-12:05

1 stop24h 55m

£542

Las VegasLondon

LAS - LCY

LASLCY

Las Vegas Harry Reid Intl

Sat 20/9

18:49-17:30

2 stops38h 41m

London City

Fri 3/10

09:25-16:14

2 stops38h 49m

£542

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Mon 18/8

09:55-17:40

2 stops23h 45m

London Heathrow

Wed 27/8

10:20-20:27

2 stops18h 07m

£542

Las VegasLondon

LAS - LGW

LASLGW

Las Vegas Harry Reid Intl

Sun 21/9

00:19-06:20

2 stops22h 01m

London Gatwick

Thu 25/9

13:05-22:05

1 stop17h 00m

£543

Las VegasLondon

LAS - LCY

LASLCY

Las Vegas Harry Reid Intl

Tue 23/9

14:36-16:25

2 stops17h 49m

London City

Thu 2/10

08:45-20:39

2 stops19h 54m

£544

Las VegasLondon

LAS - LGW

LASLGW

Las Vegas Harry Reid Intl

Sat 6/9

10:40-09:35

1 stop14h 55m

London Gatwick

Tue 9/9

12:10-21:57

1 stop17h 47m

£545

Las VegasLondon

LAS - LGW

LASLGW

Las Vegas Harry Reid Intl

Sat 16/8

19:05-17:50

1 stop14h 45m

London Gatwick

Thu 8/1

18:40-22:53

2 stops36h 13m

£547

Flights are sorted by cheapest return flights first.

Deals found on 11/6

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 37% on airfare.

Weekly flight availability from Las Vegas to London

The most flights from LAS to LON are scheduled on a Tuesday (12 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (8 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, Porter Airlines and KLM. 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

7,946 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Delta

8.0

Very Good

7,946 reviews

Delta

8.0

Very Good

7,946 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Porter Airlines

8.0

Very Good

288 reviews

Delta

8.0

Very Good

7,946 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

KLM

7.8

Good

1,358 reviews

Delta

8.0

Very Good

7,946 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Air Transat

7.8

Good

396 reviews

Delta

8.0

Very Good

7,946 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Finnair

7.6

Good

1,290 reviews

Delta

8.0

Very Good

7,946 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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 10 flights from Harry Reid Intl to London per day from 2 different airlines.
What are the cheapest airlines flying from Las Vegas to London round-trip?
Flying on British Airways is currently your cheapest option to London, with prices starting at £541. Additional return tickets that might be worth considering are offered by Air Canada and SWISS, with the lowest prices starting at £542 and £542, respectively. British Airways is priced at 7% 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 JetBlue (£276), WestJet (£280), and Air Canada (£284).
What are the most popular routes from Las Vegas to London?
While some choose either Las Vegas Harry Reid Intl - London City or Las Vegas Harry Reid Intl - London Gatwick, 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 Finnair (93%), American Airlines (87%) or Aer Lingus (87%) 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 £952 for a flight from Las Vegas to London. The cheapest flight overall is £283 while the most popular route, (Las Vegas Harry Reid Intl - London Heathrow) is currently priced at £475.
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

Croydon

Milton Keynes

Gatwick

Luton

Slough

Wembley

Crawley

Eastbourne

Ilford

Southend-on-Sea

Watford

Hayes

Ipswich

Winchester

Folkestone

Maidstone

Dartford

Guildford

Browse thousands of different options on Cheapflights for your next trip

Top 2 airlines flying from Las Vegas to London

Airline	Cheapest	Average	Flexibility	On-time
British Airways	Cheapest£459	Average£674	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
Virgin Atlantic	Cheapest£468	Average£685	FlexibilityNo cancel fee	On-time72%	Search Virgin Atlantic 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 £272

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 29/8. 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 Sunday 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 13 June 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 13 June 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 9 June 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 13 June 2025.

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 June 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 13 June 2025.

To help decide which airline to fly from Las Vegas to London, see what other customers have to say about Delta, Porter Airlines and KLM. 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 2 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 13 June 2025.