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 $735. Additional round-trip tickets that might be worth considering are offered by Delta and Air Canada, with the lowest prices starting at $736 and $736, respectively. Users have found that British Airways is 7% 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 JetBlue, which is currently one of the cheapest options available, starting at $375. WestJet flights start at $381 while deals on Air Canada start at $386 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 cheapest flights from Las Vegas to London?

Looking at all options, your cheapest flight can be booked for $398. While the most popular route (Las Vegas Harry Reid Intl - London Heathrow) can be booked for $630 on average our data indicates $1,903 when flying 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 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.

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

Find a great deal and save up to 9% by booking at least 16 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Las Vegas to London within the next two weeks, with the cheapest ticket starting at $510.

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 $795 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.

$367+ 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”

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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 15 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	$733 (United)
One-way from	$367 (Mytrip)
Popular in	June
Cheapest in	January
Average price	$1,220
Good round-trip deal	$756 or less
Good one-way deal	$550 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. 27% potential increase in price ($304 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 5% potential price decrease ($39 potential savings vs. average RT price).

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Average for round-trip flights in June 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 junio 12, 2025.

sáb. 9/1312:59 amLAS - LHR

1 stop26h 36mMultiple Airlines

dom. 9/2112:10 pmLHR - LAS

1 stop36h 25mMultiple Airlines

Deal found 6/10

$733

vie. 9/59:20 amLAS - LHR

1 stop13h 20mBritish Airways

mar. 9/95:20 pmLHR - LAS

Nonstop10h 40mBritish Airways

Deal found 6/11

$735

lun. 8/187:05 pmLAS - LCY

1 stop15h 40mMultiple Airlines

mié. 8/277:10 pmLCY - LAS

1 stop24h 55mMultiple Airlines

Deal found 6/12

$736

lun. 7/2112:15 pmLAS - LGW

1 stop13h 45mDelta

mar. 7/2912:00 pmLGW - LAS

2 stops19h 59mDelta

Deal found 6/10

$736

mar. 9/911:15 amLAS - LHR

1 stop14h 20mAir Canada

dom. 9/212:05 pmLHR - LAS

1 stop16h 07mAir Canada

Deal found 6/11

$736

sáb. 9/206:49 pmLAS - LCY

2 stops38h 41mSWISS

mar. 9/307:20 pmLCY - LAS

2 stops52h 54mSWISS

Deal found 6/11

$737

lun. 8/189:55 amLAS - LHR

2 stops23h 45mScandinavian Airlines

mié. 8/2710:20 amLHR - LAS

2 stops18h 07mScandinavian Airlines

Deal found 6/12

$737

dom. 9/2112:19 amLAS - LGW

2 stops22h 01mMultiple Airlines

jue. 9/251:05 pmLGW - LAS

1 stop17h 00mMultiple Airlines

Deal found 6/11

$738

mar. 9/232:36 pmLAS - LCY

2 stops17h 49mLufthansa

jue. 10/28:45 amLCY - LAS

2 stops19h 54mLufthansa

Deal found 6/11

$739

sáb. 9/1311:00 pmLAS - LHR

1 stop13h 40mUnited Airlines

vie. 9/264:15 pmLHR - LAS

1 stop14h 30mUnited Airlines

Deal found 6/10

$739

sáb. 9/610:40 amLAS - LGW

1 stop14h 55mJetBlue

mar. 9/912:10 pmLGW - LAS

1 stop17h 47mJetBlue

Deal found 6/11

$740

lun. 9/19:10 pmLAS - LHR

1 stop15h 30mLufthansa

lun. 9/87:30 pmLHR - LAS

2 stops32h 54mLufthansa

Deal found 6/12

$741

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 junio 12, 2025.

sáb. 9/1312:59 amLAS - LHR

1 stop26h 36mMultiple Airlines

dom. 9/2112:10 pmLHR - LAS

1 stop36h 25mMultiple Airlines

Deal found 6/10

$733

vie. 9/59:20 amLAS - LHR

1 stop13h 20mBritish Airways

mar. 9/95:20 pmLHR - LAS

Nonstop10h 40mBritish Airways

Deal found 6/11

$735

lun. 7/2112:15 pmLAS - LGW

1 stop13h 45mDelta

mar. 7/2912:00 pmLGW - LAS

2 stops19h 59mDelta

Deal found 6/10

$736

mar. 9/911:15 amLAS - LHR

1 stop14h 20mAir Canada

dom. 9/212:05 pmLHR - LAS

1 stop16h 07mAir Canada

Deal found 6/11

$736

sáb. 9/206:49 pmLAS - LCY

2 stops38h 41mSWISS

mar. 9/307:20 pmLCY - LAS

2 stops52h 54mSWISS

Deal found 6/11

$737

lun. 8/189:55 amLAS - LHR

2 stops23h 45mScandinavian Airlines

mié. 8/2710:20 amLHR - LAS

2 stops18h 07mScandinavian Airlines

Deal found 6/12

$737

mar. 9/232:36 pmLAS - LCY

2 stops17h 49mLufthansa

jue. 10/28:45 amLCY - LAS

2 stops19h 54mLufthansa

Deal found 6/11

$739

sáb. 9/1311:00 pmLAS - LHR

1 stop13h 40mUnited Airlines

vie. 9/264:15 pmLHR - LAS

1 stop14h 30mUnited Airlines

Deal found 6/10

$739

sáb. 9/610:40 amLAS - LGW

1 stop14h 55mJetBlue

mar. 9/912:10 pmLGW - LAS

1 stop17h 47mJetBlue

Deal found 6/11

$740

dom. 8/38:25 pmLAS - LCY

1 stop15h 15mKLM

mar. 8/1910:00 amLCY - LAS

1 stop16h 35mKLM

Deal found 6/11

$760

dom. 8/38:25 pmLAS - LCY

1 stop12h 55mVirgin Atlantic

mar. 8/197:45 amLCY - LAS

1 stop18h 50mVirgin Atlantic

Deal found 6/10

$761

sáb. 8/235:55 pmLAS - LGW

Nonstop10h 00mAmerican Airlines

jue. 9/410:25 amLGW - LAS

Nonstop10h 55mAmerican Airlines

Deal found 6/9

$782

Last-minute flights from Las Vegas to London
Discover last-minute flight deals from Las Vegas to London. Data last updated junio 12, 2025 and is based on user searches.

mar. 6/177:25 amLAS - LHR

2 stops20h 40mMultiple Airlines

mar. 6/243:05 pmLHR - LAS

2 stops40h 30mMultiple Airlines

Deal found 6/10

$890

mar. 6/175:35 pmLAS - LCY

1 stop14h 50mMultiple Airlines

mar. 6/248:45 amLCY - LAS

1 stop14h 50mMultiple Airlines

Deal found 6/10

$1,447

mié. 6/1810:55 pmLAS - LGW

1 stop25h 00mPorter Airlines

mié. 7/29:40 amLGW - LAS

1 stop31h 10mPorter Airlines

Deal found 6/11

$1,119

mié. 6/1810:55 pmLAS - LGW

1 stop27h 50mAir Transat

vie. 7/49:40 amLGW - LAS

1 stop20h 15mAir Transat

Deal found 6/12

$1,164

mié. 6/189:05 pmLAS - LHR

1 stop15h 40mJetBlue

vie. 7/48:15 amLHR - LAS

1 stop22h 34mJetBlue

Deal found 6/10

$1,260

mié. 6/188:00 amLAS - LHR

1 stop20h 05mWestJet

mié. 7/26:15 amLHR - LAS

2 stops23h 15mWestJet

Deal found 6/11

$1,432

vie. 6/2010:20 pmLAS - LGW

1 stop24h 40mMultiple Airlines

mar. 7/110:00 amLGW - LAS

1 stop21h 29mMultiple Airlines

Deal found 6/10

$836

vie. 6/209:55 amLAS - STN

2 stops18h 15mMultiple Airlines

sáb. 6/286:35 amSTN - LAS

2 stops23h 20mMultiple Airlines

Deal found 6/9

$928

vie. 6/209:55 amLAS - LTN

2 stops17h 15mMultiple Airlines

sáb. 6/288:40 amLTN - LAS

2 stops21h 15mMultiple Airlines

Deal found 6/9

$939

vie. 6/2012:35 pmLAS - LGW

2 stops36h 50mWestJet

sáb. 6/2810:45 amLGW - LAS

2 stops55h 55mWestJet

Deal found 6/9

$1,292

vie. 6/2011:59 pmLAS - LGW

2 stops25h 56mTurkish Airlines

mar. 7/15:20 amLGW - LAS

2 stops35h 40mTurkish Airlines

Deal found 6/10

$1,384

vie. 6/201:25 pmLAS - LHR

2 stops38h 20mTurkish Airlines

lun. 7/71:25 pmLHR - LAS

2 stops27h 35mTurkish Airlines

Deal found 6/10

$1,452

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 junio 12, 2025.

jue. 7/109:12 amLAS - LGW

3 stops27h 48mMultiple Airlines

Deal found 6/10

$367

vie. 8/2911:30 amLAS - STN

2 stops22h 55mMultiple Airlines

Deal found 6/11

$369

jue. 7/178:50 amLAS - LTN

3 stops24h 45mMultiple Airlines

Deal found 6/10

$369

vie. 7/119:17 pmLAS - LHR

2 stops36h 28mMultiple Airlines

Deal found 6/10

$371

sáb. 7/269:25 pmLAS - LHR

1 stop25h 05mJetBlue

Deal found 6/12

$375

mar. 7/1512:41 pmLAS - LCY

3 stops24h 44mMultiple Airlines

Deal found 6/11

$378

mié. 11/1212:40 pmLAS - LHR

2 stops16h 10mWestJet

Deal found 6/11

$381

lun. 10/279:10 amLAS - LHR

1 stop15h 00mAir Canada

Deal found 6/11

$386

jue. 7/3111:45 amLAS - LGW

1 stop13h 50mJetBlue

Deal found 6/10

$394

jue. 7/319:14 amLAS - SEN

3 stops26h 21mMultiple Airlines

Deal found 6/10

$397

lun. 10/2710:45 pmLAS - LHR

Nonstop9h 55mVirgin Atlantic

Deal found 6/11

$411

lun. 8/412:59 amLAS - LHR

1 stop22h 41mUnited Airlines

Deal found 6/10

$413

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

mié. 7/9

12:52 am-4:40 pm

3 stops31h 48m

London Heathrow

mié. 7/23

6:00 am-11:37 pm

3 stops25h 37m

$734

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

vie. 9/5

9:20 am-6:40 am

1 stop13h 20m

London Heathrow

mar. 9/9

5:20 pm-8:00 pm

Nonstop10h 40m

$735

Las VegasLondon

LAS - LGW

LASLGW

Las Vegas Harry Reid Intl

lun. 7/21

12:15 pm-10:00 am

1 stop13h 45m

London Gatwick

mar. 7/29

12:00 pm-11:59 pm

2 stops19h 59m

$736

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

mar. 9/9

11:15 am-9:35 am

1 stop14h 20m

London Heathrow

dom. 9/21

2:05 pm-10:12 pm

1 stop16h 07m

$736

Las VegasLondon

LAS - LCY

LASLCY

Las Vegas Harry Reid Intl

lun. 8/18

7:05 pm-6:45 pm

1 stop15h 40m

London City

mié. 8/27

7:10 pm-12:05 pm

1 stop24h 55m

$736

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

lun. 8/18

9:55 am-5:40 pm

2 stops23h 45m

London Heathrow

mié. 8/27

10:20 am-8:27 pm

2 stops18h 07m

$737

Las VegasLondon

LAS - LGW

LASLGW

Las Vegas Harry Reid Intl

lun. 8/18

9:42 am-7:10 pm

2 stops25h 28m

London Gatwick

jue. 8/21

7:40 pm-9:53 pm

2 stops34h 13m

$739

Las VegasLondon

LAS - LGW

LASLGW

Las Vegas Harry Reid Intl

sáb. 9/6

10:40 am-9:35 am

1 stop14h 55m

London Gatwick

mar. 9/9

12:10 pm-9:57 pm

1 stop17h 47m

$740

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

lun. 9/1

9:10 pm-8:40 pm

1 stop15h 30m

London Heathrow

lun. 9/8

7:30 pm-8:24 pm

2 stops32h 54m

$741

Las VegasLondon

LAS - LGW

LASLGW

Las Vegas Harry Reid Intl

sáb. 8/16

7:05 pm-5:50 pm

1 stop14h 45m

London Gatwick

jue. 1/8

6:40 pm-10:53 pm

2 stops36h 13m

$743

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 60 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 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, 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 $1,108). 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 Tuesday 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 (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 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.

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 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).

Reviews of airlines servicing London

Read through reviews of airlines operating flights from Las Vegas to London, such as Delta, Porter Airlines and KLM. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,950 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

7,950 reviews

Delta

8.0

Very good

7,950 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!

Porter Airlines

8.0

Very good

288 reviews

Delta

8.0

Very good

7,950 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

1,358 reviews

Delta

8.0

Very good

7,950 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!

Air Transat

7.8

Good

396 reviews

Delta

8.0

Very good

7,950 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!

Finnair

7.6

Good

1,290 reviews

Delta

8.0

Very good

7,950 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 $735. Additional round-trip tickets that might be worth considering are offered by Delta and Air Canada, with the lowest prices starting at $736 and $736, respectively. Users have found that British Airways is 7% 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 JetBlue, which is currently one of the cheapest options available, starting at $375. WestJet flights start at $381 while deals on Air Canada start at $386 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 (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?
Looking at all options, your cheapest flight can be booked for $398. While the most popular route (Las Vegas Harry Reid Intl - London Heathrow) can be booked for $630 on average our data indicates $1,903 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 $1,108). 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

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Thornton Heath

Luton

Canterbury

Harrow

Dover

Gatwick

Orpington

Watford

Croydon

Folkestone

Borehamwood

Sutton

Aylesbury

Chelmsford

Brentwood

Chichester

Wembley

Arundel

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$332	Average$447	FlexibilityNo cancel fee	On-timeN/A
Air Canada	Cheapest$502	Average$675	FlexibilityNo cancel fee	On-time67%
Virgin Atlantic	Cheapest$543	Average$1,013	FlexibilityNo cancel fee	On-time72%
Iberia	Cheapest$559	Average$764	FlexibilityNo cancel fee	On-time77%
British Airways	Cheapest$572	Average$831	FlexibilityNo cancel fee	On-time70%
American Airlines	Cheapest$578	Average$765	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$580	Average$730	FlexibilityNo cancel fee	On-time69%
Delta	Cheapest$591	Average$937	FlexibilityNo cancel fee	On-timeN/A
JetBlue	Cheapest$750	Average$937	FlexibilityNo cancel fee	On-time62%
Aer Lingus	Cheapest$880	Average$1,270	FlexibilityNo cancel fee	On-timeN/A

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$367+ 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 7/10. 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

1. Tell us where you want to go

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 15 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 junio 12, 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 junio 12, 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

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Best time to book a flight from Las Vegas to London

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

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 June 9, 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 junio 12, 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 junio 12, 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

Read through reviews of airlines operating flights from Las Vegas to London, such as Delta, Porter Airlines and KLM. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

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?

Traveling to a place near Las Vegas?

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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 junio 12, 2025.