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

Currently priced at $726, Lufthansa will fly you from London to Las Vegas and back. In addition to Lufthansa, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Icelandair and JetBlue - these airlines can fly you to your destination from $729 and $730, respectively. These flights start at 12% lower than the current average price 3 months from now.

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

$519 is the cheapest one-way deal found within the past few days, from WestJet. You may also be able to find cheap deals on JetBlue and Aer Lingus, with prices starting from $535 and $764, respectively.

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

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

In terms of precipitation, rainfall in Las Vegas ranges from 0.1 - 0.8 inches per month. February is typically the wettest month, when rainfall can reach 0.8 in. May is typically the driest time to visit Las Vegas when rainfall is around 0.1 in.

If weather is an important factor for your trip to Las Vegas, 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 93.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 48.2 F).

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

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

What are the cheapest flights from London to Las Vegas?

While on average a flight from London to Las Vegas is generally $1,085, our data shows the cheapest flight currently is $521. When looking at the most popular route, (London Heathrow - Las Vegas Harry Reid Intl), you can expect to pay $628 for that flight.

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

Before booking your flight to Las Vegas from London, check out the most reliable airlines to get you to your destination on time: KLM (85%), Air France (85%), Delta( 85%).

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

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

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

Travelers have found that booking a Saturday departure is the best way to save up to 23% on the cost of booking your flights compared to booking on days of the week where this route is of high demand.

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

To save up to 44% on this flight, we recommend booking at least 23 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from London to Las Vegas from $741 1-2 weeks out and tickets from $960 for flights departing within the next 72 hours.

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

Flights from London to Las Vegas lean towards being more expensive in August. Prices are generally better when you fly from London to Las Vegas in February, with the cheapest ticket starting at $375.

What airport do you fly into for flights to Las Vegas from London?

Located just 6.2 mi from the city center, Las Vegas Harry Reid Intl is the airport most travelers will use when flying to Las Vegas from London. Booking flights from London to Harry Reid Intl (LAS) should be relatively easy as there are 7 daily inbound flights from London from 6 different airlines.

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

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

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

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

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

Yes. Cheapflights offers flight deals from London to Las Vegas by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$361+ Flights from London to Las Vegas

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1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

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Cheapflights Tip: The best prices from London to Las Vegas Harry Reid Intl are usually found in February or January, booked 22 days in advance, depart on a Sunday or Tuesday and return on a Tuesday

Cheap flight deals from London to Las Vegas

Round-trip from	$726 (The Travel House)
One-way from	$361 (Kiwi.com)
Popular in	August
Cheapest in	February
Average price	$1,013
Good round-trip deal	$696 or less
Good one-way deal	$521 or less

From London (LON) to Las Vegas Harry Reid Intl

Search Deals

One-way flight from London (LON) to Las Vegas Harry Reid Intl

Search Deals

Highest demand for flights based on searches. 15% potential increase in price ($149 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($28 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in July 2025

Search Deals

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

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

Search Deals

Find flight deals from London to Las Vegas

Cheapest flights from London to Las Vegas
Explore the most affordable flight options available from London to Las Vegas. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2025.

Sat 9/66:30 amLHR - LAS

2 stops21h 54mLufthansa

Sat 9/136:28 pmLAS - LHR

1 stop28h 57mLufthansa

Deal found 7/3

$726

Wed 8/1310:55 amLGW - LAS

1 stop18h 33mMultiple Airlines

Mon 8/1812:00 pmLAS - LGW

1 stop14h 55mMultiple Airlines

Deal found 7/1

$728

Mon 8/252:20 pmLHR - LAS

1 stop15h 08mMultiple Airlines

Wed 9/101:38 pmLAS - LHR

1 stop16h 57mMultiple Airlines

Deal found 7/1

$728

Mon 9/2212:10 pmLGW - LAS

2 stops29h 19mIcelandair

Mon 9/298:49 pmLAS - LGW

1 stop28h 46mIcelandair

Deal found 7/1

$729

Wed 9/179:25 amLCY - LAS

3 stops30h 45mMultiple Airlines

Sun 9/2112:01 pmLAS - LCY

2 stops21h 29mMultiple Airlines

Deal found 7/3

$729

Wed 9/178:15 amLHR - LAS

1 stop17h 47mJetBlue

Mon 9/2911:59 pmLAS - LHR

1 stop12h 46mJetBlue

Deal found 7/3

$730

Wed 9/178:15 amLHR - LAS

1 stop20h 57mIcelandair

Wed 9/2411:07 pmLAS - LHR

2 stops37h 38mIcelandair

Deal found 7/2

$731

Tue 9/910:35 pmSTN - LAS

3 stops31h 38mMultiple Airlines

Sun 9/146:00 amLAS - STN

3 stops31h 30mMultiple Airlines

Deal found 7/2

$734

Thu 8/712:10 pmLGW - LAS

1 stop16h 01mJetBlue

Sat 8/99:25 pmLAS - LGW

1 stop28h 10mJetBlue

Deal found 7/2

$739

Tue 9/22:05 pmLHR - LAS

1 stop16h 07mAir Canada

Mon 9/87:25 amLAS - LHR

2 stops18h 10mAir Canada

Deal found 7/3

$741

Wed 10/89:55 amLHR - LAS

2 stops20h 00mDelta

Sat 10/119:25 amLAS - LHR

1 stop15h 25mDelta

Deal found 7/1

$759

Mon 8/256:05 amLTN - LAS

2 stops34h 09mMultiple Airlines

Wed 9/105:47 pmLAS - LTN

2 stops20h 48mMultiple Airlines

Deal found 7/3

$761

Best flights from London to Las Vegas
Discover carefully curated flight deals from London to Las Vegas that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 3, 2025.

Sat 9/66:30 amLHR - LAS

2 stops21h 54mLufthansa

Sat 9/136:28 pmLAS - LHR

1 stop28h 57mLufthansa

Deal found 7/3

$726

Wed 8/1310:55 amLGW - LAS

1 stop18h 33mMultiple Airlines

Mon 8/1812:00 pmLAS - LGW

1 stop14h 55mMultiple Airlines

Deal found 7/1

$728

Mon 9/2212:10 pmLGW - LAS

2 stops29h 19mIcelandair

Mon 9/298:49 pmLAS - LGW

1 stop28h 46mIcelandair

Deal found 7/1

$729

Wed 9/178:15 amLHR - LAS

1 stop17h 47mJetBlue

Mon 9/2911:59 pmLAS - LHR

1 stop12h 46mJetBlue

Deal found 7/3

$730

Tue 9/22:05 pmLHR - LAS

1 stop16h 07mAir Canada

Mon 9/87:25 amLAS - LHR

2 stops18h 10mAir Canada

Deal found 7/3

$741

Wed 10/89:55 amLHR - LAS

2 stops20h 00mDelta

Sat 10/119:25 amLAS - LHR

1 stop15h 25mDelta

Deal found 7/1

$759

Fri 9/128:05 pmLHR - LAS

1 stop28h 30mSWISS

Mon 9/297:05 pmLAS - LHR

1 stop13h 20mSWISS

Deal found 7/3

$769

Fri 9/128:40 amLCY - LAS

1 stop17h 55mVirgin Atlantic

Mon 9/158:25 pmLAS - LCY

1 stop12h 15mVirgin Atlantic

Deal found 7/3

$874

Mon 8/252:20 pmLHR - LAS

1 stop15h 08mMultiple Airlines

Wed 9/101:38 pmLAS - LHR

1 stop16h 57mMultiple Airlines

Deal found 7/1

$728

Wed 9/178:15 amLHR - LAS

1 stop20h 57mIcelandair

Wed 9/2411:07 pmLAS - LHR

2 stops37h 38mIcelandair

Deal found 7/2

$731

Thu 8/712:10 pmLGW - LAS

1 stop16h 01mJetBlue

Sat 8/99:25 pmLAS - LGW

1 stop28h 10mJetBlue

Deal found 7/2

$739

Sun 11/25:15 pmLCY - LAS

2 stops57h 12mLufthansa

Sat 11/86:25 pmLAS - LCY

2 stops38h 05mLufthansa

Deal found 7/3

$779

Last-minute flights from London to Las Vegas
Discover last-minute flight deals from London to Las Vegas. Data last updated July 3, 2025 and is based on user searches.

Wed 7/912:10 pmLGW - LAS

1 stop30h 20mIcelandair

Mon 7/149:25 pmLAS - LGW

1 stop28h 10mIcelandair

Deal found 7/3

$790

Wed 7/910:00 amLGW - LAS

1 stop31h 27mMultiple Airlines

Wed 7/1610:00 pmLAS - LGW

1 stop25h 00mMultiple Airlines

Deal found 7/1

$796

Wed 7/97:05 pmLHR - LAS

2 stops24h 46mFinnair

Sun 7/1311:55 pmLAS - LHR

1 stop28h 35mFinnair

Deal found 7/1

$879

Wed 7/910:05 amLHR - LAS

1 stop16h 09mBritish Airways

Wed 7/1611:31 amLAS - LHR

1 stop13h 39mBritish Airways

Deal found 7/1

$906

Thu 7/108:15 amLHR - LAS

2 stops46h 24mIcelandair

Thu 7/2411:58 pmLAS - LHR

2 stops36h 47mIcelandair

Deal found 7/2

$784

Thu 7/108:45 amLTN - LAS

3 stops43h 36mMultiple Airlines

Thu 7/249:12 amLAS - LTN

2 stops28h 58mMultiple Airlines

Deal found 7/3

$839

Thu 7/101:00 pmLHR - LAS

1 stop17h 19mLufthansa

Thu 7/241:29 pmLAS - LHR

1 stop12h 11mLufthansa

Deal found 7/3

$888

Thu 7/1010:25 amLGW - LAS

Nonstop10h 55mBritish Airways

Thu 7/243:10 pmLAS - LGW

Nonstop10h 10mBritish Airways

Deal found 7/1

$905

Thu 7/1012:00 pmLGW - LAS

1 stop20h 11mVirgin Atlantic

Thu 7/2412:15 pmLAS - LGW

1 stop13h 45mVirgin Atlantic

Deal found 7/1

$914

Fri 7/118:40 amLHR - LAS

2 stops21h 46mMultiple Airlines

Fri 7/186:59 pmLAS - LHR

1 stop14h 16mMultiple Airlines

Deal found 7/3

$798

Fri 7/1112:05 pmLHR - LAS

1 stop18h 10mAir Canada

Thu 7/2412:05 pmLAS - LHR

1 stop15h 45mAir Canada

Deal found 7/1

$907

Sat 7/126:50 amLHR - LAS

2 stops23h 02mUnited Airlines

Thu 7/1710:43 amLAS - LHR

2 stops14h 57mUnited Airlines

Deal found 7/3

$882

One-way flights from London to Las Vegas
Search for one-way flight options from London to Las Vegas. Find affordable one-way fares based on user searches. Data last updated July 3, 2025.

Tue 9/231:05 pmLGW - LAS

1 stop28h 22mMultiple Airlines

Deal found 7/1

$361

Wed 9/246:05 amLTN - LAS

2 stops34h 05mMultiple Airlines

Deal found 7/1

$372

Fri 8/293:05 pmLHR - LAS

2 stops26h 13mMultiple Airlines

Deal found 7/2

$381

Tue 9/1610:05 pmSTN - LAS

3 stops31h 12mMultiple Airlines

Deal found 7/2

$398

Thu 8/215:40 pmSEN - LAS

2 stops47h 38mMultiple Airlines

Deal found 7/2

$400

Wed 10/154:50 pmLCY - LAS

2 stops37h 03mMultiple Airlines

Deal found 7/1

$433

Wed 12/32:50 pmLHR - LAS

2 stops37h 29mWestJet

Deal found 6/30

$519

Thu 9/1111:55 amLHR - LAS

1 stop17h 17mJetBlue

Deal found 7/3

$535

Wed 12/36:50 amLCY - LAS

2 stops24h 48mAer Lingus

Deal found 6/30

$764

Fri 8/298:55 amLCY - LAS

1 stop15h 25mLufthansa

Deal found 7/2

$844

Thu 10/169:25 amLCY - LAS

1 stop15h 10mSWISS

Deal found 7/1

$864

Tue 7/157:00 amLCY - LAS

2 stops22h 51mBritish Airways

Deal found 7/1

$933

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Sat 9/6

6:30 am-8:24 pm

2 stops21h 54m

Las Vegas Harry Reid Intl

Sat 9/13

6:28 pm-7:25 am

1 stop28h 57m

$726

LondonLas Vegas

LGW - LAS

LGWLAS

London Gatwick

Wed 8/13

10:55 am-9:28 pm

1 stop18h 33m

Las Vegas Harry Reid Intl

Mon 8/18

12:00 pm-10:55 am

1 stop14h 55m

$728

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Mon 8/25

2:20 pm-9:28 pm

1 stop15h 08m

Las Vegas Harry Reid Intl

Wed 9/10

1:38 pm-2:35 pm

1 stop16h 57m

$728

LondonLas Vegas

LGW - LAS

LGWLAS

London Gatwick

Mon 9/22

12:10 pm-9:29 am

2 stops29h 19m

Las Vegas Harry Reid Intl

Mon 9/29

8:49 pm-9:35 am

1 stop28h 46m

$729

LondonLas Vegas

LCY - LAS

LCYLAS

London City

Wed 9/17

9:25 am-8:10 am

3 stops30h 45m

Las Vegas Harry Reid Intl

Sun 9/21

12:01 pm-5:30 pm

2 stops21h 29m

$729

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Wed 9/17

8:15 am-6:02 pm

1 stop17h 47m

Las Vegas Harry Reid Intl

Mon 9/29

11:59 pm-8:45 pm

1 stop12h 46m

$730

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Wed 9/17

8:15 am-9:12 pm

1 stop20h 57m

Las Vegas Harry Reid Intl

Wed 9/24

11:07 pm-8:45 pm

2 stops37h 38m

$731

LondonLas Vegas

STN - LAS

STNLAS

London Stansted

Tue 9/9

10:35 pm-10:13 pm

3 stops31h 38m

Las Vegas Harry Reid Intl

Sun 9/14

6:00 am-9:30 pm

3 stops31h 30m

$734

LondonLas Vegas

LGW - LAS

LGWLAS

London Gatwick

Thu 8/7

12:10 pm-8:11 pm

1 stop16h 01m

Las Vegas Harry Reid Intl

Sat 8/9

9:25 pm-9:35 am

1 stop28h 10m

$739

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Tue 9/2

2:05 pm-10:12 pm

1 stop16h 07m

Las Vegas Harry Reid Intl

Mon 9/8

7:25 am-9:35 am

2 stops18h 10m

$741

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/1

Showing 1-10 of 29 results

The best insider tips for London to Las Vegas flights

Cheapflights partnered with top experts to bring you the best recommendations for your London to Las Vegas trip

Airports

LHR

Heathrow's security lines can be lengthy; ensure all liquids are in one bag to avoid delays.

LGW

For early flights, consider staying at a hotel at Gatwick to avoid costly morning taxis from London.

LAS

At LAS, rideshare pickups are in the parking garage; wait to request your ride until nearby.

Our travel experts

Ramsey Qubein

Expert on LHR and LAS

John Walton

Expert on LGW

Best time to book a flight from London to Las Vegas

Have a flexible travel schedule? Discover the best time to fly to Las Vegas from London with our price prediction graph.

Estimated round-trip 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 London to Las Vegas

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

The best time to book flights from London to Las Vegas is 22 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, August is the cheapest month in which you can book a flight from London to Las Vegas (average of $198). Flying from London to Las Vegas in March is currently the most expensive (average of $269). 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 LON to LAS?

One of the essential ways to save on airfare from London to Las Vegas is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight in the morning could potentially save you up to 33% on airfare.

Weekly flight availability from London to Las Vegas

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

Reviews of airlines servicing Las Vegas

Peruse reviews from past customers who have flown with Delta, SWISS, and Virgin Atlantic from London to Las Vegas to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,982 reviews

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

7,982 reviews

Delta

8.0

Very good

7,982 reviews

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!

SWISS

7.5

Good

1,654 reviews

Delta

8.0

Very good

7,982 reviews

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!

Virgin Atlantic

7.4

Good

654 reviews

Delta

8.0

Very good

7,982 reviews

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!

JetBlue

7.3

Good

2,916 reviews

Delta

8.0

Very good

7,982 reviews

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!

WestJet

7.2

Good

2,917 reviews

Delta

8.0

Very good

7,982 reviews

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 into for flights to Las Vegas from London?
Located just 6.2 mi from the city center, Las Vegas Harry Reid Intl is the airport most travelers will use when flying to Las Vegas from London. Booking flights from London to Harry Reid Intl (LAS) should be relatively easy as there are 7 daily inbound flights from London from 6 different airlines.
What are the cheapest airlines flying from London to Las Vegas round-trip?
Currently priced at $726, Lufthansa will fly you from London to Las Vegas and back. In addition to Lufthansa, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Icelandair and JetBlue - these airlines can fly you to your destination from $729 and $730, respectively. These flights start at 12% lower than the current average price 3 months from now.
What are the cheapest airlines to fly from London to Las Vegas one-way?
$519 is the cheapest one-way deal found within the past few days, from WestJet. You may also be able to find cheap deals on JetBlue and Aer Lingus, with prices starting from $535 and $764, respectively.
What are the most popular routes from London to Las Vegas?
While some choose either London Gatwick - Las Vegas Harry Reid Intl or London City - Las Vegas Harry Reid Intl, London Heathrow - Las Vegas Harry Reid Intl is the most popular route from London to Las Vegas.
What are the most reliable airlines from London to Las Vegas?
Before booking your flight to Las Vegas from London, check out the most reliable airlines to get you to your destination on time: KLM (85%), Air France (85%), Delta( 85%).
What are the cheapest flights from London to Las Vegas?
While on average a flight from London to Las Vegas is generally $1,085, our data shows the cheapest flight currently is $521. When looking at the most popular route, (London Heathrow - Las Vegas Harry Reid Intl), you can expect to pay $628 for that flight.
Can I find deals for flights from London to Las Vegas that include hotel bookings?
Yes. In addition to deals on London to Las Vegas flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from London to Las Vegas?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from London to Las Vegas.
Can I find deals for business class flights from London to Las Vegas?
Yes. Cheapflights offers flight deals from London to Las Vegas 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 London to Las Vegas?
Currently, August is the cheapest month in which you can book a flight from London to Las Vegas (average of $198). Flying from London to Las Vegas in March is currently the most expensive (average of $269). 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

Henderson

Paradise

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North Las Vegas

Winchester

Primm

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Kingman

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Needles

Boulder City

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for London to Las Vegas

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Complete your trip

Las Vegas car rentals

Las Vegas Harry Reid Intl Airport car rentals

Bullhead City Laughlin Bullhead Airport car rentals

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The Strip car rentals

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Summerlin car rentals

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Other flights to Las Vegas

Top 6 airlines flying from London to Las Vegas

Airline	Cheapest	Average	Flexibility	On-time
Norse Atlantic UK	Cheapest$361	Average$541	FlexibilityNo cancel fee	On-timeN/A
British Airways	Cheapest$595	Average$935	FlexibilityNo cancel fee	On-time70%
American Airlines	Cheapest$616	Average$879	FlexibilityNo cancel fee	On-time71%
Delta	Cheapest$693	Average$874	FlexibilityNo cancel fee	On-timeN/A
Iberia	Cheapest$706	Average$1,337	FlexibilityNo cancel fee	On-time77%
Virgin Atlantic	Cheapest$707	Average$931	FlexibilityNo cancel fee	On-time72%

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$361+ Cheap flights from London (LON) to Las Vegas (LAS)

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 9/23. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from London to Las Vegas with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from London to Las Vegas Harry Reid Intl are usually found in February or January, booked 22 days in advance, depart on a Sunday or Tuesday and return on a Tuesday

Cheap flight deals from London to Las Vegas

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find flight deals from London to Las Vegas

Cheapest flights from London to Las VegasExplore the most affordable flight options available from London to Las Vegas. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2025.

Explore the most affordable flight options available from London to Las Vegas. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2025.

Cheapflights Fare Finder

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

The best insider tips for London to Las Vegas flights

Cheapflights partnered with top experts to bring you the best recommendations for your London to Las Vegas trip

Airports

LHR

LGW

LAS

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Best time to book a flight from London to Las Vegas

Have a flexible travel schedule? Discover the best time to fly to Las Vegas from London with our price prediction graph.

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Everything you need to know about your flight from London to Las Vegas

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

Use this chart to determine the optimal time to book a round-trip flight from London to Las Vegas. Price data was last updated on June 27, 2025.

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

What is the cheapest time of day to fly from LON to LAS?

Find hourly flight availability from London to Las Vegas. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 3, 2025.

Weekly flight availability from London to Las Vegas

Explore weekly flight availability from London to Las Vegas. 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 July 3, 2025.

Reviews of airlines servicing Las Vegas

Peruse reviews from past customers who have flown with Delta, SWISS, and Virgin Atlantic from London to Las Vegas to help guide your decision. You can also see how each airline stacks up 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 London to Las Vegas. 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 into for flights to Las Vegas from London?

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

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

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

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

What are the cheapest flights from London to Las Vegas?

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

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

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

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

Traveling to a place near London?

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Alternative routes for London to Las Vegas

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Top 6 airlines flying from London to Las Vegas

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Cheapest flights from London to Las Vegas
Explore the most affordable flight options available from London to Las Vegas. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2025.