How long is the flight from Las Vegas to London Heathrow Airport?

Departing from Las Vegas to London Heathrow Airport will take you 12h 30m. There are 5213 mi between Las Vegas and London Heathrow Airport. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

According to our current data, Air Canada ($502), Virgin Atlantic ($543), and British Airways ($566) offers the cheapest pricing from Las Vegas to London Heathrow Airport. Air Canada is currently priced 44% below the average price you’ll pay for this route.

Weekly flight availability from Las Vegas to London Heathrow Airport

The most flights from LAS to LHR 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 (4 on average).

In terms of precipitation, rainfall in London Heathrow Airport 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 Heathrow Airport when rainfall is around 1.6 in.

If weather is an important factor for your trip to London Heathrow Airport, 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 cheapest flights from Las Vegas to London Heathrow Airport?

Looking for the cheapest flight from Las Vegas to London Heathrow Airport? While on average our users pay $1,391, our data indicates the cheapest price to be $421. The most popular route (Las Vegas Harry Reid Intl - London Heathrow), is priced around $510.

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

No one likes to see their flight delayed. When booking a flight from Las Vegas to London Heathrow Airport consider choosing Finnair (83%), Iberia (83%) or American Airlines (75%) as they are the most reliable in getting you off to your destination on time.

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

British Airways, Virgin Atlantic and Delta are the most popular airlines when flying from Las Vegas to London Heathrow Airport.

Most accurate provider : When it comes to deals on Las Vegas-London Heathrow Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Las Vegas-London Heathrow Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Las Vegas-London Heathrow Airport flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Las Vegas-London Heathrow Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Las Vegas-London Heathrow Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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

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 Heathrow. 10 airlines have flights from Harry Reid Intl to London Heathrow on a regular basis. Booking flights from Las Vegas Harry Reid Intl to London Heathrow should not be difficult; the airport handles an average of 8 outbound flights to London Heathrow per day.

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

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

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

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

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

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

$366+ Cheap Flights from Las Vegas to London Heathrow Airport

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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.

3. Compare prices and book

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Cheapflights Tip: The best prices from Las Vegas Harry Reid Intl to London Heathrow are usually found in January or February, booked 64 days in advance, depart on a Monday or Wednesday and return on a Wednesday

Cheap flight deals from Las Vegas to Heathrow

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$563 (CheapOair)
One-way from	$366 (Kiwi.com)
Popular in	June
Cheapest in	January
Average price	$762
Good round-trip deal	$720 or less
Good one-way deal	$498 or less

Provider with most accurate pricing for Las Vegas Harry Reid Intl-London Heathrow flight deals.

Search Deals

Provider most trusted by Cheapflights users for Las Vegas Harry Reid Intl-London Heathrow flights.

Search Deals

From Las Vegas Harry Reid Intl to London Heathrow

Search Deals

One-way flight from Las Vegas Harry Reid Intl to London Heathrow

Search Deals

Highest demand for flights based on searches. 24% potential increase in price ($290 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease ($36 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in October 2025

Search Deals

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

Search Deals

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

Search Deals

Find flight deals from Las Vegas to Heathrow

Cheapest flights from Las Vegas to Heathrow
Explore the most affordable flight options available from Las Vegas to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 14, 2025.

Tue 10/288:35 pmLAS - LHR

1 stop13h 15mAer Lingus

Tue 11/48:50 amLHR - LAS

1 stop17h 00mAer Lingus

Deal found 10/14

$563

Mon 10/139:10 pmLAS - LHR

Nonstop9h 55mVirgin Atlantic

Tue 10/284:00 pmLHR - LAS

Nonstop10h 50mVirgin Atlantic

Deal found 10/12

$565

Tue 11/188:45 pmLAS - LHR

Nonstop9h 55mMultiple Airlines

Tue 11/2511:20 amLHR - LAS

1 stop19h 59mMultiple Airlines

Deal found 10/13

$566

Sun 10/199:10 pmLAS - LHR

Nonstop9h 55mVirgin Atlantic

Tue 11/44:00 pmLHR - LAS

Nonstop10h 50mVirgin Atlantic

Deal found 10/13

$568

Sun 10/194:50 pmLAS - LHR

2 stops20h 10mAir Canada

Tue 11/46:50 amLHR - LAS

2 stops21h 59mAir Canada

Deal found 10/14

$569

Wed 11/268:55 pmLAS - LHR

Nonstop9h 55mBritish Airways

Wed 12/34:05 pmLHR - LAS

Nonstop10h 45mBritish Airways

Deal found 10/12

$574

Wed 10/291:25 pmLAS - LHR

1 stop13h 35mKLM

Tue 11/46:30 amLHR - LAS

1 stop15h 45mKLM

Deal found 10/12

$577

Sun 10/199:10 pmLAS - LHR

Nonstop9h 55mDelta

Tue 11/46:30 amLHR - LAS

1 stop15h 45mDelta

Deal found 10/14

$578

Best flights from Las Vegas to Heathrow
Discover carefully curated flight deals from Las Vegas to Heathrow that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 14, 2025.

Wed 10/2911:35 amLAS - LHR

1 stop12h 30mKLM

Tue 11/48:40 amLHR - LAS

1 stop13h 35mKLM

Deal found 10/14

$578

Sun 10/196:05 amLAS - LHR

1 stop19h 55mDelta

Tue 11/46:30 amLHR - LAS

1 stop15h 45mDelta

Deal found 10/14

$578

Wed 12/38:45 pmLAS - LHR

Nonstop9h 55mDelta

Tue 12/98:40 amLHR - LAS

1 stop13h 35mDelta

Deal found 10/12

$579

Wed 12/311:47 amLAS - LHR

1 stop12h 58mKLM

Tue 12/96:30 amLHR - LAS

1 stop15h 45mKLM

Deal found 10/14

$583

Wed 11/511:35 amLAS - LHR

1 stop13h 10mKLM

Thu 2/56:30 amLHR - LAS

1 stop15h 45mKLM

Deal found 10/14

$583

Mon 11/178:03 pmLAS - LHR

1 stop12h 47mDelta

Tue 11/258:40 amLHR - LAS

1 stop13h 35mDelta

Deal found 10/14

$583

Mon 11/108:45 pmLAS - LHR

Nonstop9h 55mDelta

Thu 11/204:00 pmLHR - LAS

Nonstop10h 50mDelta

Deal found 10/12

$585

Wed 10/229:10 pmLAS - LHR

Nonstop9h 55mDelta

Wed 11/1210:45 amLHR - LAS

1 stop15h 42mDelta

Deal found 10/14

$595

Tue 11/2512:43 amLAS - LHR

1 stop21h 42mDelta

Wed 12/310:45 amLHR - LAS

1 stop13h 25mDelta

Deal found 10/12

$600

Wed 12/316:32 amLAS - LHR

2 stops16h 33mDelta

Fri 2/2711:20 amLHR - LAS

1 stop15h 51mDelta

Deal found 10/13

$604

Last-minute flights from Las Vegas to Heathrow
Discover last-minute flight deals from Las Vegas to Heathrow. Data last updated October 14, 2025 and is based on user searches.

Sun 10/199:10 pmLAS - LHR

Nonstop9h 55mVirgin Atlantic

Tue 11/44:00 pmLHR - LAS

Nonstop10h 50mVirgin Atlantic

Deal found 10/14

$565

Sun 10/194:50 pmLAS - LHR

2 stops20h 10mAir Canada

Tue 11/46:50 amLHR - LAS

2 stops21h 59mAir Canada

Deal found 10/14

$569

Sun 10/1911:35 amLAS - LHR

1 stop13h 20mDelta

Tue 11/46:30 amLHR - LAS

1 stop15h 45mDelta

Deal found 10/14

$578

Tue 10/288:35 pmLAS - LHR

1 stop13h 15mAer Lingus

Tue 11/48:50 amLHR - LAS

1 stop17h 00mAer Lingus

Deal found 10/14

$563

Wed 10/291:25 pmLAS - LHR

1 stop13h 35mKLM

Tue 11/46:30 amLHR - LAS

1 stop15h 45mKLM

Deal found 10/12

$577

Tue 11/188:45 pmLAS - LHR

Nonstop9h 55mMultiple Airlines

Tue 11/2511:20 amLHR - LAS

1 stop19h 59mMultiple Airlines

Deal found 10/13

$566

Wed 11/268:55 pmLAS - LHR

Nonstop9h 55mBritish Airways

Wed 12/34:05 pmLHR - LAS

Nonstop10h 45mBritish Airways

Deal found 10/12

$574

One-way flights from Las Vegas to Heathrow
Search for one-way flight options from Las Vegas to Heathrow. Find affordable one-way fares based on user searches. Data last updated October 14, 2025.

Sun 4/1211:25 pmLAS - LHR

2 stops26h 55mMultiple Airlines

Deal found 10/13

$366

Wed 10/297:00 amLAS - LHR

2 stops31h 35mMultiple Airlines

Deal found 10/14

$369

Mon 10/2012:55 amLAS - LHR

3 stops25h 25mMultiple Airlines

Deal found 10/13

$370

Tue 10/217:25 amLAS - LHR

1 stop21h 55mAir Canada

Deal found 10/13

$375

Wed 12/109:06 pmLAS - LHR

1 stop25h 49mJetBlue

Deal found 10/12

$393

Mon 11/34:45 pmLAS - LHR

2 stops33h 25mAir Canada

Deal found 10/12

$394

Mon 10/277:06 amLAS - LHR

2 stops21h 44mAir Canada

Deal found 10/12

$395

Sun 11/166:00 amLAS - LHR

2 stops17h 10mAir Canada

Deal found 10/12

$396

Fri 10/2412:55 amLAS - LHR

3 stops27h 30mMultiple Airlines

Deal found 10/12

$397

Mon 11/1012:59 amLAS - LHR

1 stop22h 31mUnited Airlines

Deal found 10/13

$399

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Wed 10/29

11:35 am-7:05 am

1 stop12h 30m

London Heathrow

Tue 11/4

8:40 am-2:15 pm

1 stop13h 35m

$578

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Sun 10/19

6:05 am-10:00 am

1 stop19h 55m

London Heathrow

Tue 11/4

6:30 am-2:15 pm

1 stop15h 45m

$578

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Wed 12/3

8:45 pm-2:40 pm

Nonstop9h 55m

London Heathrow

Tue 12/9

8:40 am-2:15 pm

1 stop13h 35m

$579

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Wed 12/3

11:47 am-8:45 am

1 stop12h 58m

London Heathrow

Tue 12/9

6:30 am-2:15 pm

1 stop15h 45m

$583

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Wed 11/5

11:35 am-8:45 am

1 stop13h 10m

London Heathrow

Thu 2/5

6:30 am-2:15 pm

1 stop15h 45m

$583

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Mon 11/17

8:03 pm-4:50 pm

1 stop12h 47m

London Heathrow

Tue 11/25

8:40 am-2:15 pm

1 stop13h 35m

$583

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Mon 11/10

8:45 pm-2:40 pm

Nonstop9h 55m

London Heathrow

Thu 11/20

4:00 pm-6:50 pm

Nonstop10h 50m

$585

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Wed 10/22

9:10 pm-3:05 pm

Nonstop9h 55m

London Heathrow

Wed 11/12

10:45 am-6:27 pm

1 stop15h 42m

$595

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Tue 11/25

12:43 am-6:25 am

1 stop21h 42m

London Heathrow

Wed 12/3

10:45 am-4:10 pm

1 stop13h 25m

$600

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Wed 12/31

6:32 am-7:05 am

2 stops16h 33m

London Heathrow

Fri 2/27

11:20 am-7:11 pm

1 stop15h 51m

$604

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/14

Showing 1-10 of 21 results

Compare providers for flights from Las Vegas to Heathrow

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Las Vegas to Heathrow in October.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy2 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*3 stars
AranGrant	Price Accuracy3 stars	Trust Score*3 stars
eDreams	Price Accuracy3 stars	Trust Score*3 stars
Cheapflightsfares	Price Accuracy2 stars	Trust Score*1 star
oojo	Price Accuracy3 stars	Trust Score*3 stars
Kiwi.com	Price Accuracy3 stars	Trust Score*3 stars
Trip.com	Price Accuracy2 stars	Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on Las Vegas-London Heathrow Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Las Vegas-London Heathrow Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Las Vegas-London Heathrow Airport flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Las Vegas-London Heathrow Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Las Vegas-London Heathrow Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Las Vegas to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow 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 Heathrow Airport

Prices

Airlines

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

The price you pay for your flight from Las Vegas to London Heathrow Airport may vary depending on when you book. For the best chance of a lower fare, look to book 64 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, January is the cheapest month in which you can book a flight from Las Vegas to London Heathrow Airport (average of $461). Flying from Las Vegas to London Heathrow Airport in June is currently the most expensive (average of $1,027). 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 LHR?

It’s typically best to fly out from Las Vegas to London Heathrow Airport in the morning. Doing so could potentially save you 22% on the flight price compared to flying in the evening, which is usually more expensive.

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

Travelers seeking maximum savings on their Las Vegas to London Heathrow Airport flight should consider departing on Sunday at noon 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.

The best insider tips for Las Vegas to London Heathrow Airport flights

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

Airports

LAS

Las Vegas Airport offers a self-service TSA screening trial, simplifying security with video instructions. Ideal for frequent travelers familiar with the process.

LHR

For quick access to London, take the Heathrow Express to Paddington Station. It's the fastest way into the city from Heathrow.

Our travel experts

Ramsey Qubein

Expert on LHR and LAS

Reviews of airlines servicing Heathrow

Peruse reviews from past customers who have flown with Delta, Virgin Atlantic, and American Airlines from Las Vegas to London Heathrow Airport 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

7,972 reviews

Reviews

1 / 20

8.0

Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

Delta

8.0

Very good

7,972 reviews

Delta

8.0

Very good

7,972 reviews

Reviews

1 / 20

8.0

Excellent

Matthew,Oct 2025

GSP - ATL

Virgin Atlantic

7.4

Good

667 reviews

Delta

8.0

Very good

7,972 reviews

Reviews

1 / 20

8.0

Excellent

Matthew,Oct 2025

GSP - ATL

American Airlines

7.2

Good

11,039 reviews

Delta

8.0

Very good

7,972 reviews

Reviews

1 / 20

8.0

Excellent

Matthew,Oct 2025

GSP - ATL

Iberia

7.0

Good

2,988 reviews

Delta

8.0

Very good

7,972 reviews

Reviews

1 / 20

8.0

Excellent

Matthew,Oct 2025

GSP - ATL

British Airways

6.7

Okay

7,454 reviews

Delta

8.0

Very good

7,972 reviews

Reviews

1 / 20

8.0

Excellent

Matthew,Oct 2025

GSP - ATL

Related info for your journey

What airport do you fly from for flights from Las Vegas to London Heathrow?
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 Heathrow. 10 airlines have flights from Harry Reid Intl to London Heathrow on a regular basis. Booking flights from Las Vegas Harry Reid Intl to London Heathrow should not be difficult; the airport handles an average of 8 outbound flights to London Heathrow per day.
How long is the flight from Las Vegas to London Heathrow Airport?
Departing from Las Vegas to London Heathrow Airport will take you 12h 30m. There are 5213 mi between Las Vegas and London Heathrow Airport. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.
What are the cheapest airlines flying from Las Vegas to London Heathrow Airport round-trip?
According to our current data, Air Canada ($502), Virgin Atlantic ($543), and British Airways ($566) offers the cheapest pricing from Las Vegas to London Heathrow Airport. Air Canada is currently priced 44% below the average price you’ll pay for this route.
What are the most reliable airlines from Las Vegas to London Heathrow Airport?
No one likes to see their flight delayed. When booking a flight from Las Vegas to London Heathrow Airport consider choosing Finnair (83%), Iberia (83%) or American Airlines (75%) as they are the most reliable in getting you off to your destination on time.
What are the cheapest flights from Las Vegas to London Heathrow Airport?
Looking for the cheapest flight from Las Vegas to London Heathrow Airport? While on average our users pay $1,391, our data indicates the cheapest price to be $421. The most popular route (Las Vegas Harry Reid Intl - London Heathrow), is priced around $510.
Can I find deals for flights from Las Vegas to Heathrow that include hotel bookings?
Yes. In addition to deals on Las Vegas to Heathrow flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Las Vegas to Heathrow?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Las Vegas to Heathrow.
Can I find deals for business class flights from Las Vegas to Heathrow?
Yes. Cheapflights offers flight deals from Las Vegas to Heathrow 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 Heathrow Airport?
Currently, January is the cheapest month in which you can book a flight from Las Vegas to London Heathrow Airport (average of $461). Flying from Las Vegas to London Heathrow Airport in June is currently the most expensive (average of $1,027). 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.

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Top 10 airlines flying from Las Vegas to Heathrow

Airline	Cheapest	Average	Flexibility	On-time
Air Canada	Cheapest$502	Average$698	FlexibilityNo cancel fee	On-time67%
Virgin Atlantic	Cheapest$543	Average$980	FlexibilityNo cancel fee	On-time72%
British Airways	Cheapest$566	Average$887	FlexibilityNo cancel fee	On-time70%
United Airlines	Cheapest$581	Average$746	FlexibilityNo cancel fee	On-time69%
Delta	Cheapest$616	Average$961	FlexibilityNo cancel fee	On-timeN/A
Iberia	Cheapest$661	Average$1,091	FlexibilityNo cancel fee	On-time77%
American Airlines	Cheapest$671	Average$922	FlexibilityNo cancel fee	On-time71%
Finnair	Cheapest$685	Average$916	FlexibilityNo cancel fee	On-time76%
JetBlue	Cheapest$745	Average$1,052	FlexibilityNo cancel fee	On-time62%
Aer Lingus	Cheapest$962	Average$1,310	FlexibilityNo cancel fee	On-timeN/A

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$366+ Cheap flights from Las Vegas (LAS) to Heathrow (LHR)

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 4/12. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Las Vegas to Heathrow 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 Heathrow are usually found in January or February, booked 64 days in advance, depart on a Monday or Wednesday and return on a Wednesday

Cheap flight deals from Las Vegas to Heathrow

Most accurate provider

Most trusted provider

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 Heathrow

Cheapest flights from Las Vegas to HeathrowExplore the most affordable flight options available from Las Vegas to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 14, 2025.

Explore the most affordable flight options available from Las Vegas to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 14, 2025.

Cheapflights Fare Finder

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

Compare providers for flights from Las Vegas to Heathrow

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Las Vegas to Heathrow in October.

Best time to book a flight from Las Vegas to Heathrow

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

Cheapflights Insights

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

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

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

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

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Find useful and relevant information for your journey from Las Vegas to Heathrow. 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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What is the cheapest month to book a flight from Las Vegas to London Heathrow Airport?

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Cheapest flights from Las Vegas to Heathrow
Explore the most affordable flight options available from Las Vegas to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 14, 2025.