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 $567. Additional round-trip tickets that might be worth considering are offered by SWISS and United Airlines, with the lowest prices starting at $567 and $569, respectively. Users have found that British Airways is 28% cheaper than the other options available to this destination.

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

To fly one-way, consider booking your trip with WestJet, which is currently one of the cheapest options available, starting at $283. JetBlue flights start at $368 while deals on SWISS start at $428 one-way.

In terms of precipitation, rainfall in London ranges from 1.6 - 2.8 inches per month. January is typically the wettest month, when rainfall can reach 2.8 in. July is typically the driest time to visit London when rainfall is around 1.6 in.

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 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 39.2 F).

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?

Looking at all options, your cheapest flight can be booked for $438. While the most popular route (Las Vegas Harry Reid Intl - London Heathrow) can be booked for $526 on average our data indicates $2,035 when flying from Las Vegas to London.

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

Consider Finnair (82%), American Airlines (80%) or Aer Lingus (80%) 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?

Consider American Airlines, Air Canada or JetBlue when booking your flight. These represent the most popular airlines when flying from Las Vegas to London.

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

Thursday 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.

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

Our data shows that January tends to be the cheapest month to fly to London from Las Vegas. Users have commonly found prices around $794 for the month, but tickets can be as low as $330. Due to multiple factors, prepare for potentially higher prices in June.

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

Las Vegas Harry Reid Intl (LAS), located 6.2 mi from the city center, is the airport you fly out of when you book flights from Las Vegas to London. 10 airlines have flights from Harry Reid Intl to London on a regular basis. Booking flights from Las Vegas Harry Reid Intl to London should not be difficult; the airport handles an average of 10 outbound flights to London per day.

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 vacation 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.

$265+ Flights from Las Vegas to London

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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 Las Vegas Harry Reid Intl to London are usually found in January or February, booked 69 days in advance, depart on a Tuesday or Sunday and return on a Sunday

Cheap flight deals from Las Vegas to London

Round-trip from	$567 (Ovago)
One-way from	$265 (Kiwi.com)
Popular in	June
Cheapest in	January
Average price	$1,072
Good round-trip deal	$642 or less
Good one-way deal	$546 or less

From Las Vegas Harry Reid Intl to London (LON)

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

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Highest demand for flights based on searches. 26% potential increase in price ($286 potential increase over avg. RT price).

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Cheapest flight prices on average. 4% potential price decrease ($38 potential savings vs. average RT price).

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Average for round-trip flights in July 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

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 July 29, 2025.

Sat 9/205:55 pmLAS - LGW

Nonstop10h 00mBritish Airways

Tue 9/3010:25 amLGW - LAS

Nonstop10h 55mBritish Airways

Deal found 7/29

$567

Mon 9/227:05 pmLAS - LHR

1 stop13h 20mSWISS

Wed 10/18:05 pmLHR - LAS

1 stop28h 30mSWISS

Deal found 7/29

$567

Wed 9/249:26 amLAS - LGW

1 stop17h 29mMultiple Airlines

Sat 9/279:50 amLGW - LAS

1 stop19h 19mMultiple Airlines

Deal found 7/29

$568

Sun 9/216:00 amLAS - LHR

1 stop17h 25mUnited Airlines

Tue 9/306:50 amLHR - LAS

2 stops17h 28mUnited Airlines

Deal found 7/29

$569

Mon 9/17:05 pmLAS - LCY

1 stop15h 40mSWISS

Wed 9/179:25 amLCY - LAS

2 stops19h 11mSWISS

Deal found 7/29

$570

Mon 9/110:00 pmLAS - LHR

Nonstop10h 00mBritish Airways

Wed 9/173:30 pmLHR - LAS

1 stop15h 23mBritish Airways

Deal found 7/29

$570

Tue 10/211:59 pmLAS - LHR

1 stop13h 21mDelta

Wed 11/51:20 pmLHR - LAS

Nonstop10h 50mDelta

Deal found 7/28

$571

Sun 8/32:35 pmLAS - LHR

1 stop14h 55mKLM

Tue 8/199:55 amLHR - LAS

2 stops18h 48mKLM

Deal found 7/27

$572

Wed 9/247:25 amLAS - LHR

2 stops18h 10mAir Canada

Wed 10/812:05 pmLHR - LAS

2 stops18h 17mAir Canada

Deal found 7/26

$573

Tue 9/233:50 pmLAS - LGW

2 stops18h 00mSWISS

Wed 10/16:35 pmLGW - LAS

2 stops36h 10mSWISS

Deal found 7/29

$577

Sat 9/202:59 pmLAS - LHR

1 stop31h 26mIberia

Fri 10/35:30 pmLHR - LAS

Nonstop10h 40mIberia

Deal found 7/28

$582

Mon 8/49:37 pmLAS - LHR

2 stops24h 53mMultiple Airlines

Tue 8/197:25 amLHR - LAS

2 stops22h 03mMultiple Airlines

Deal found 7/28

$599

Best flights from Las Vegas to London
Discover carefully curated flight deals from Las Vegas to London that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 29, 2025.

Sat 9/205:55 pmLAS - LGW

Nonstop10h 00mBritish Airways

Tue 9/3010:25 amLGW - LAS

Nonstop10h 55mBritish Airways

Deal found 7/29

$567

Mon 9/227:05 pmLAS - LHR

1 stop13h 20mSWISS

Wed 10/18:05 pmLHR - LAS

1 stop28h 30mSWISS

Deal found 7/29

$567

Wed 9/249:26 amLAS - LGW

1 stop17h 29mMultiple Airlines

Sat 9/279:50 amLGW - LAS

1 stop19h 19mMultiple Airlines

Deal found 7/29

$568

Sun 9/216:00 amLAS - LHR

1 stop17h 25mUnited Airlines

Tue 9/306:50 amLHR - LAS

2 stops17h 28mUnited Airlines

Deal found 7/29

$569

Wed 10/153:36 pmLAS - LHR

1 stop12h 39mIberia

Thu 12/1111:25 amLHR - LAS

2 stops41h 19mIberia

Deal found 7/27

$571

Sun 8/32:35 pmLAS - LHR

1 stop14h 55mKLM

Tue 8/199:55 amLHR - LAS

2 stops18h 48mKLM

Deal found 7/27

$572

Wed 9/247:25 amLAS - LHR

2 stops18h 10mAir Canada

Wed 10/812:05 pmLHR - LAS

2 stops18h 17mAir Canada

Deal found 7/26

$573

Wed 9/39:10 pmLAS - LHR

Nonstop9h 55mDelta

Wed 9/1711:00 amLHR - LAS

1 stop15h 07mDelta

Deal found 7/29

$575

Fri 9/129:10 pmLAS - LHR

Nonstop9h 55mVirgin Atlantic

Fri 9/1911:45 amLHR - LAS

1 stop14h 50mVirgin Atlantic

Deal found 7/29

$584

Tue 9/3010:46 amLAS - LCY

2 stops21h 39mLufthansa

Fri 10/108:55 amLCY - LAS

1 stop15h 25mLufthansa

Deal found 7/29

$664

Mon 9/17:05 pmLAS - LCY

1 stop15h 40mSWISS

Wed 9/179:25 amLCY - LAS

2 stops19h 11mSWISS

Deal found 7/29

$570

Mon 9/110:00 pmLAS - LHR

Nonstop10h 00mBritish Airways

Wed 9/173:30 pmLHR - LAS

1 stop15h 23mBritish Airways

Deal found 7/29

$570

Last-minute flights from Las Vegas to London
Discover last-minute flight deals from Las Vegas to London. Data last updated July 29, 2025 and is based on user searches.

Sun 8/32:35 pmLAS - LHR

1 stop14h 55mKLM

Tue 8/199:55 amLHR - LAS

2 stops18h 48mKLM

Deal found 7/27

$572

Sun 8/37:59 pmLAS - LHR

1 stop13h 16mMultiple Airlines

Tue 8/196:15 amLHR - LAS

2 stops17h 56mMultiple Airlines

Deal found 7/27

$590

Sun 8/38:25 pmLAS - LCY

1 stop14h 10mVirgin Atlantic

Tue 8/1910:00 amLCY - LAS

1 stop16h 35mVirgin Atlantic

Deal found 7/26

$617

Sun 8/38:25 pmLAS - LCY

1 stop12h 55mVirgin Atlantic

Tue 8/1910:00 amLCY - LAS

1 stop16h 35mVirgin Atlantic

Deal found 7/27

$617

Mon 8/412:12 pmLAS - LHR

1 stop14h 18mBritish Airways

Mon 8/119:35 pmLHR - LAS

2 stops28h 43mBritish Airways

Deal found 7/28

$570

Mon 8/47:05 pmLAS - LGW

1 stop14h 45mSWISS

Tue 8/196:35 pmLGW - LAS

2 stops34h 01mSWISS

Deal found 7/28

$590

Mon 8/47:05 pmLAS - LHR

1 stop13h 20mSWISS

Tue 8/198:45 amLHR - LAS

2 stops19h 51mSWISS

Deal found 7/28

$591

Mon 8/49:10 pmLAS - LHR

Nonstop9h 55mDelta

Mon 8/114:35 pmLHR - LAS

Nonstop10h 45mDelta

Deal found 7/28

$616

Mon 8/411:45 amLAS - LGW

1 stop13h 50mJetBlue

Tue 8/1912:10 pmLGW - LAS

1 stop16h 01mJetBlue

Deal found 7/28

$738

Thu 8/72:38 pmLAS - LHR

1 stop14h 07mFinnair

Fri 8/225:30 pmLHR - LAS

Nonstop10h 40mFinnair

Deal found 7/27

$620

Thu 8/79:37 pmLAS - LGW

1 stop29h 18mMultiple Airlines

Fri 8/222:00 pmLGW - LAS

2 stops37h 27mMultiple Airlines

Deal found 7/27

$646

Thu 8/77:05 pmLAS - LCY

1 stop14h 10mMultiple Airlines

Fri 8/228:55 amLCY - LAS

1 stop15h 25mMultiple Airlines

Deal found 7/27

$668

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 July 29, 2025.

Sat 9/2010:41 pmLAS - LHR

2 stops35h 04mMultiple Airlines

Deal found 7/27

$265

Thu 9/185:26 pmLAS - LGW

1 stop33h 29mMultiple Airlines

Deal found 7/27

$266

Mon 10/277:05 pmLAS - LHR

1 stop34h 45mWestJet

Deal found 7/29

$283

Thu 10/1610:55 pmLAS - LTN

2 stops32h 50mMultiple Airlines

Deal found 7/27

$291

Thu 10/1612:35 pmLAS - STN

2 stops25h 50mMultiple Airlines

Deal found 7/27

$294

Wed 10/155:26 pmLAS - SEN

2 stops19h 24mMultiple Airlines

Deal found 7/28

$295

Tue 8/510:48 pmLAS - LCY

3 stops26h 02mMultiple Airlines

Deal found 7/28

$366

Sat 9/2012:10 pmLAS - LGW

1 stop13h 25mJetBlue

Deal found 7/27

$368

Mon 8/47:05 pmLAS - LCY

1 stop15h 40mSWISS

Deal found 7/27

$428

Wed 12/101:20 pmLAS - LCY

1 stop20h 20mLufthansa

Deal found 7/28

$434

Wed 10/157:00 amLAS - LCY

2 stops21h 30mUnited Airlines

Deal found 7/28

$436

Wed 10/158:25 pmLAS - LCY

1 stop12h 55mKLM

Deal found 7/28

$500

Fly from

Fly to

Route

Depart

Return

Price

Las VegasLondon

LAS - LGW

LASLGW

Las Vegas Harry Reid Intl

Sat 9/20

5:55 pm-11:55 am

Nonstop10h 00m

London Gatwick

Tue 9/30

10:25 am-1:20 pm

Nonstop10h 55m

$567

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Mon 9/22

7:05 pm-4:25 pm

1 stop13h 20m

London Heathrow

Wed 10/1

8:05 pm-4:35 pm

1 stop28h 30m

$567

Las VegasLondon

LAS - LGW

LASLGW

Las Vegas Harry Reid Intl

Wed 9/24

9:26 am-10:55 am

1 stop17h 29m

London Gatwick

Sat 9/27

9:50 am-9:09 pm

1 stop19h 19m

$568

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Sun 9/21

6:00 am-7:25 am

1 stop17h 25m

London Heathrow

Tue 9/30

6:50 am-4:18 pm

2 stops17h 28m

$569

Las VegasLondon

LAS - LCY

LASLCY

Las Vegas Harry Reid Intl

Mon 9/1

7:05 pm-6:45 pm

1 stop15h 40m

London City

Wed 9/17

9:25 am-8:36 pm

2 stops19h 11m

$570

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Mon 9/1

10:00 pm-4:00 pm

Nonstop10h 00m

London Heathrow

Wed 9/17

3:30 pm-10:53 pm

1 stop15h 23m

$570

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Wed 10/15

3:36 pm-12:15 pm

1 stop12h 39m

London Heathrow

Thu 12/11

11:25 am-8:44 pm

2 stops41h 19m

$571

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Sun 8/3

2:35 pm-1:30 pm

1 stop14h 55m

London Heathrow

Tue 8/19

9:55 am-8:43 pm

2 stops18h 48m

$572

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Wed 9/24

7:25 am-9:35 am

2 stops18h 10m

London Heathrow

Wed 10/8

12:05 pm-10:22 pm

2 stops18h 17m

$573

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Wed 9/3

9:10 pm-3:05 pm

Nonstop9h 55m

London Heathrow

Wed 9/17

11:00 am-6:07 pm

1 stop15h 07m

$575

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/27

Showing 1-10 of 35 results

The best insider tips for Las Vegas to London flights

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

Airports

LAS

Enjoy the Centurion Lounge at LAS with a buffet, craft cocktails, and showers for a relaxing pre-flight experience.

LHR

Take the Heathrow Express for the fastest route to central London, arriving at Paddington Station.

Our travel experts

Ramsey Qubein

Expert on LHR and LAS

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 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 Las Vegas to London

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

Booking 69 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 $661). Flying from Las Vegas to London in June is currently the most expensive (average of $1,097). 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?

Unlike in the evening, when flights are generally more expensive, you can save up to 31% on flights from Las Vegas to London by exploring options for tickets in the afternoon.

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

Travelers seeking maximum savings on their Las Vegas to London flight should consider departing on Monday afternoons when fares are most often at their lowest. Friday afternoons 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 Tuesday (14 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 London

See what other customers who have flown with Delta, KLM, and SWISS from Las Vegas to London have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,977 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

7,977 reviews

Delta

8.0

Very good

7,977 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!

KLM

7.8

Good

1,383 reviews

Delta

8.0

Very good

7,977 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

1,683 reviews

Delta

8.0

Very good

7,977 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!

United Airlines

7.4

Good

8,899 reviews

Delta

8.0

Very good

7,977 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

655 reviews

Delta

8.0

Very good

7,977 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 from for flights from Las Vegas to London?
Las Vegas Harry Reid Intl (LAS), located 6.2 mi from the city center, is the airport you fly out of when you book flights from Las Vegas to London. 10 airlines have flights from Harry Reid Intl to London on a regular basis. Booking flights from Las Vegas Harry Reid Intl to London should not be difficult; the airport handles an average of 10 outbound flights to London per day.
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 $567. Additional round-trip tickets that might be worth considering are offered by SWISS and United Airlines, with the lowest prices starting at $567 and $569, respectively. Users have found that British Airways is 28% cheaper than the other options available to this destination.
What are the cheapest airlines to fly from Las Vegas to London one-way?
To fly one-way, consider booking your trip with WestJet, which is currently one of the cheapest options available, starting at $283. JetBlue flights start at $368 while deals on SWISS start at $428 one-way.
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 Finnair (82%), American Airlines (80%) or Aer Lingus (80%) 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?
Looking at all options, your cheapest flight can be booked for $438. While the most popular route (Las Vegas Harry Reid Intl - London Heathrow) can be booked for $526 on average our data indicates $2,035 when flying from Las Vegas to London.
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 vacation 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 $661). Flying from Las Vegas to London in June is currently the most expensive (average of $1,097). 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

Hounslow

Hayes

Thornton Heath

Harrow

Canterbury

Dover

Orpington

Watford

Gatwick

Borehamwood

Dartford

Aylesbury

Chelmsford

Folkestone

Southend-on-Sea

Chichester

Arundel

Milton Keynes

Bishop's Stortford

Eastbourne

Browse thousands of different options on Cheapflights for your next trip

Top 10 airlines flying from Las Vegas to London

Airline	Cheapest	Average	Flexibility	On-time
Norse Atlantic UK	Cheapest$328	Average$449	FlexibilityNo cancel fee	On-timeN/A
Air Canada	Cheapest$502	Average$698	FlexibilityNo cancel fee	On-time67%
Virgin Atlantic	Cheapest$542	Average$1,001	FlexibilityNo cancel fee	On-time72%
Iberia	Cheapest$559	Average$779	FlexibilityNo cancel fee	On-time77%
British Airways	Cheapest$573	Average$837	FlexibilityNo cancel fee	On-time70%
American Airlines	Cheapest$578	Average$781	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$581	Average$703	FlexibilityNo cancel fee	On-time69%
Delta	Cheapest$638	Average$959	FlexibilityNo cancel fee	On-timeN/A
JetBlue	Cheapest$750	Average$1,090	FlexibilityNo cancel fee	On-time62%
Aer Lingus	Cheapest$880	Average$1,270	FlexibilityNo cancel fee	On-timeN/A

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$265+ Cheap flights from Las Vegas (LAS) to London (LON)

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 9/20. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Las Vegas to London with Cheapflights

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2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from Las Vegas Harry Reid Intl to London are usually found in January or February, booked 69 days in advance, depart on a Tuesday or Sunday and return on a Sunday

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 July 29, 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 July 29, 2025.

Cheapflights Fare Finder

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

The best insider tips for Las Vegas to London flights

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

Airports

LAS

LHR

Our travel experts

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 round-trip flight from Las Vegas to London. Price data was last updated on July 25, 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 July 29, 2025.

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

Use this chart to determine the cheapest time to fly round-trip from Las Vegas to London. Price data was last updated on December 16, 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 July 29, 2025.

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 July 29, 2025.

See what other customers who have flown with Delta, KLM, and SWISS from Las Vegas to London have to say. You can also see how each airline compares 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.

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

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Alternative routes for Las Vegas to London

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Top 10 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 July 29, 2025.