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

Departing from Las Vegas to London Heathrow Airport will take you 9h 55m. 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 ($542), and British Airways ($567) offers the cheapest pricing from Las Vegas to London Heathrow Airport. Air Canada is currently priced 43% below the average price you’ll pay for this route.

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

The cheapest airlines for a one-way flight from Las Vegas to London Heathrow Airport are JetBlue ($338), WestJet ($356), and Scandinavian Airlines ($359).

Weekly flight availability from Las Vegas to London Heathrow Airport

The most flights from LAS to LHR are scheduled on a Wednesday (12 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (7 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 $1,219, our data indicates the cheapest price to be $347. The most popular route (Las Vegas Harry Reid Intl - London Heathrow), is priced around $489.

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 Aeromexico (85%), American Airlines (85%) or Aer Lingus (85%) 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?

American Airlines, Air Canada and JetBlue are the most popular airlines when flying from Las Vegas to London Heathrow Airport.

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

Departing on a Sunday is a good option for securing a great price. You can expect to save up to 20% when planning your travel around this day of the week.

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

To save up to 5% on this flight, we recommend booking at least 16 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Las Vegas to London Heathrow Airport from $514 1-2 weeks out and tickets from $994 for flights departing within the next 72 hours.

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

The best pricing can be found in the month of January. Prices to London Heathrow Airport from Las Vegas average $801. You can even find prices in January for less than $801, as users have found deals to London Heathrow Airport from as low as $331. The month of June appears to be one of the more expensive times to travel to London Heathrow Airport from Las Vegas. Flying in the targeted month can save you up to 50%.

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. 9 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 9 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.

$310+ Cheap Flights from Las Vegas to London Heathrow Airport

Q: How much does it cost to fly round-trip from Las Vegas to London Heathrow Airport?

Airfare is below average for this route at the moment. Las Vegas to London Heathrow Airport flights typically cost between $696 and $973 in September. The cheapest round-trip price found within the last 3 days was $559 on SWISS (Sep 22-Oct 7).

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Find cheap flights from Las Vegas to Heathrow with Cheapflights

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 February or January, booked 89 days in advance, depart on a Monday or Wednesday and return on a Wednesday

Cheap flight deals from Las Vegas to Heathrow

Round-trip from	$559 (Kiwi.com)
One-way from	$310 (Kiwi.com)
Popular in	June
Cheapest in	February
Average price	$813
Good round-trip deal	$695 or less
Good one-way deal	$488 or less

From Las Vegas Harry Reid Intl to London Heathrow

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

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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 ($38 potential savings vs. average RT price).

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Average for round-trip flights in September 2025

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

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

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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 September 11, 2025.

Mon 9/227:05 pmLAS - LHR

1 stop13h 20mSWISS

Tue 10/78:45 amLHR - LAS

2 stops20h 07mSWISS

Deal found 9/10

$559

Wed 10/19:10 pmLAS - LHR

Nonstop9h 55mDelta

Thu 10/306:30 amLHR - LAS

1 stop15h 45mDelta

Deal found 9/11

$560

Mon 9/2211:20 pmLAS - LHR

1 stop23h 15mMultiple Airlines

Tue 10/78:45 amLHR - LAS

2 stops20h 07mMultiple Airlines

Deal found 9/10

$561

Mon 9/226:00 amLAS - LHR

2 stops20h 00mAir Canada

Tue 10/76:50 amLHR - LAS

2 stops23h 32mAir Canada

Deal found 9/10

$562

Wed 9/2410:05 pmLAS - LHR

Nonstop10h 00mBritish Airways

Wed 10/812:15 pmLHR - LAS

Nonstop10h 55mBritish Airways

Deal found 9/9

$564

Wed 10/19:10 pmLAS - LHR

Nonstop9h 55mDelta

Thu 10/94:35 pmLHR - LAS

Nonstop10h 40mDelta

Deal found 9/9

$565

Wed 10/89:10 pmLAS - LHR

Nonstop9h 55mDelta

Fri 10/174:35 pmLHR - LAS

Nonstop10h 40mDelta

Deal found 9/11

$566

Sun 9/2810:00 pmLAS - LHR

Nonstop10h 00mAmerican Airlines

Tue 10/145:20 pmLHR - LAS

Nonstop10h 40mAmerican Airlines

Deal found 9/10

$567

Wed 9/247:00 pmLAS - LHR

1 stop13h 05mBritish Airways

Fri 10/1012:15 pmLHR - LAS

Nonstop10h 55mBritish Airways

Deal found 9/10

$568

Wed 9/246:00 amLAS - LHR

2 stops16h 30mMultiple Airlines

Wed 10/82:05 pmLHR - LAS

1 stop16h 17mMultiple Airlines

Deal found 9/9

$570

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 September 11, 2025.

Wed 12/38:45 pmLAS - LHR

Nonstop9h 55mDelta

Tue 12/98:40 amLHR - LAS

1 stop13h 35mDelta

Deal found 9/10

$559

Wed 12/39:38 amLAS - LHR

1 stop13h 27mKLM

Tue 12/98:40 amLHR - LAS

1 stop13h 35mKLM

Deal found 9/10

$564

Tue 11/188:55 pmLAS - LHR

Nonstop9h 55mBritish Airways

Thu 12/44:05 pmLHR - LAS

Nonstop10h 45mBritish Airways

Deal found 9/11

$566

Tue 9/237:00 amLAS - LHR

2 stops23h 35mScandinavian Airlines

Mon 11/36:40 amLHR - LAS

2 stops23h 40mScandinavian Airlines

Deal found 9/9

$579

Wed 10/11:45 pmLAS - LHR

1 stop13h 35mDelta

Thu 10/308:40 amLHR - LAS

1 stop13h 35mDelta

Deal found 9/11

$564

Tue 10/141:25 pmLAS - LHR

1 stop12h 25mKLM

Tue 10/2111:45 amLHR - LAS

1 stop14h 50mKLM

Deal found 9/11

$564

Fri 10/2411:40 pmLAS - LHR

2 stops26h 55mScandinavian Airlines

Fri 10/316:40 amLHR - LAS

3 stops24h 36mScandinavian Airlines

Deal found 9/9

$588

Wed 10/89:10 pmLAS - LHR

Nonstop9h 55mDelta

Fri 10/174:35 pmLHR - LAS

Nonstop10h 40mDelta

Deal found 9/9

$566

Tue 11/189:52 amLAS - LHR

1 stop14h 13mDelta

Fri 12/52:00 pmLHR - LAS

Nonstop10h 50mDelta

Deal found 9/11

$571

Mon 11/1711:02 amLAS - LHR

1 stop15h 28mDelta

Fri 12/52:00 pmLHR - LAS

Nonstop10h 50mDelta

Deal found 9/11

$571

Wed 10/11:45 pmLAS - LHR

1 stop13h 35mDelta

Thu 10/94:05 pmLHR - LAS

1 stop16h 11mDelta

Deal found 9/9

$579

Last-minute flights from Las Vegas to Heathrow
Discover last-minute flight deals from Las Vegas to Heathrow. Data last updated September 11, 2025 and is based on user searches.

Mon 9/227:05 pmLAS - LHR

1 stop13h 20mSWISS

Tue 10/78:45 amLHR - LAS

2 stops20h 07mSWISS

Deal found 9/10

$559

Mon 9/2211:20 pmLAS - LHR

1 stop23h 15mMultiple Airlines

Tue 10/78:45 amLHR - LAS

2 stops20h 07mMultiple Airlines

Deal found 9/10

$561

Mon 9/226:00 amLAS - LHR

2 stops20h 00mAir Canada

Tue 10/76:50 amLHR - LAS

2 stops23h 32mAir Canada

Deal found 9/10

$562

Wed 9/2410:05 pmLAS - LHR

Nonstop10h 00mBritish Airways

Wed 10/812:15 pmLHR - LAS

Nonstop10h 55mBritish Airways

Deal found 9/9

$564

Wed 9/247:00 pmLAS - LHR

1 stop13h 05mBritish Airways

Fri 10/1012:15 pmLHR - LAS

Nonstop10h 55mBritish Airways

Deal found 9/10

$568

Wed 9/246:00 amLAS - LHR

2 stops16h 30mMultiple Airlines

Wed 10/82:05 pmLHR - LAS

1 stop16h 17mMultiple Airlines

Deal found 9/9

$570

Sun 9/287:59 pmLAS - LHR

1 stop13h 16mVirgin Atlantic

Tue 10/144:35 pmLHR - LAS

Nonstop10h 40mVirgin Atlantic

Deal found 9/10

$567

Wed 10/19:10 pmLAS - LHR

Nonstop9h 55mDelta

Thu 10/306:30 amLHR - LAS

1 stop15h 45mDelta

Deal found 9/11

$560

Wed 10/19:10 pmLAS - LHR

Nonstop9h 55mDelta

Thu 10/94:35 pmLHR - LAS

Nonstop10h 40mDelta

Deal found 9/9

$565

Wed 10/89:10 pmLAS - LHR

Nonstop9h 55mDelta

Fri 10/174:35 pmLHR - LAS

Nonstop10h 40mDelta

Deal found 9/11

$566

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 September 11, 2025.

Sun 10/1210:18 amLAS - LHR

2 stops23h 27mMultiple Airlines

Deal found 9/9

$310

Fri 10/109:10 pmLAS - LHR

3 stops32h 45mMultiple Airlines

Deal found 9/9

$311

Fri 11/78:52 amLAS - LHR

3 stops24h 38mMultiple Airlines

Deal found 9/10

$313

Tue 10/711:30 amLAS - LHR

2 stops19h 25mMultiple Airlines

Deal found 9/9

$314

Sun 10/510:18 amLAS - LHR

2 stops28h 37mMultiple Airlines

Deal found 9/9

$317

Wed 10/812:35 pmLAS - LHR

3 stops21h 25mMultiple Airlines

Deal found 9/9

$322

Mon 10/1310:24 pmLAS - LHR

3 stops32h 31mMultiple Airlines

Deal found 9/11

$325

Tue 9/1612:11 pmLAS - LHR

2 stops38h 09mMultiple Airlines

Deal found 9/10

$331

Thu 10/98:00 amLAS - LHR

1 stop20h 05mWestJet

Deal found 9/9

$333

Mon 9/299:52 pmLAS - LHR

3 stops35h 53mMultiple Airlines

Deal found 9/9

$338

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 12/3

8:45 pm-2:40 pm

Nonstop9h 55m

London Heathrow

Tue 12/9

8:40 am-2:15 pm

1 stop13h 35m

$559

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Wed 12/3

9:38 am-7:05 am

1 stop13h 27m

London Heathrow

Tue 12/9

8:40 am-2:15 pm

1 stop13h 35m

$564

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Wed 10/1

1:45 pm-11:20 am

1 stop13h 35m

London Heathrow

Thu 10/30

8:40 am-3:15 pm

1 stop13h 35m

$564

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Tue 10/14

1:25 pm-9:50 am

1 stop12h 25m

London Heathrow

Tue 10/21

11:45 am-6:35 pm

1 stop14h 50m

$564

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Tue 11/18

8:55 pm-2:50 pm

Nonstop9h 55m

London Heathrow

Thu 12/4

4:05 pm-6:50 pm

Nonstop10h 45m

$566

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Wed 10/8

9:10 pm-3:05 pm

Nonstop9h 55m

London Heathrow

Fri 10/17

4:35 pm-7:15 pm

Nonstop10h 40m

$566

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Tue 11/18

9:52 am-8:05 am

1 stop14h 13m

London Heathrow

Fri 12/5

2:00 pm-4:50 pm

Nonstop10h 50m

$571

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Mon 11/17

11:02 am-10:30 am

1 stop15h 28m

London Heathrow

Fri 12/5

2:00 pm-4:50 pm

Nonstop10h 50m

$571

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Tue 9/23

7:00 am-2:35 pm

2 stops23h 35m

London Heathrow

Mon 11/3

6:40 am-10:20 pm

2 stops23h 40m

$579

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Wed 10/1

1:45 pm-11:20 am

1 stop13h 35m

London Heathrow

Thu 10/9

4:05 pm-12:16 am

1 stop16h 11m

$579

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/11

Showing 1-10 of 22 results

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

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 89 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, November is the cheapest month in which you can book a flight from Las Vegas to London Heathrow Airport (average of $661). Flying from Las Vegas to London Heathrow Airport in June is currently the most expensive (average of $1,098). 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 24% 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.

How much does it cost to fly round-trip from Las Vegas to London Heathrow Airport?

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

7,960 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

7,960 reviews

Delta

8.0

Very good

7,960 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

664 reviews

Delta

8.0

Very good

7,960 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!

American Airlines

7.2

Good

10,000 reviews

Delta

8.0

Very good

7,960 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!

Iberia

7.0

Good

2,929 reviews

Delta

8.0

Very good

7,960 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!

British Airways

6.7

Okay

7,361 reviews

Delta

8.0

Very good

7,960 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 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. 9 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 9 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 9h 55m. 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 ($542), and British Airways ($567) offers the cheapest pricing from Las Vegas to London Heathrow Airport. Air Canada is currently priced 43% below the average price you’ll pay for this route.
What are the cheapest airlines to fly from Las Vegas to London Heathrow Airport one-way?
The cheapest airlines for a one-way flight from Las Vegas to London Heathrow Airport are JetBlue ($338), WestJet ($356), and Scandinavian Airlines ($359).
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 Aeromexico (85%), American Airlines (85%) or Aer Lingus (85%) 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 $1,219, our data indicates the cheapest price to be $347. The most popular route (Las Vegas Harry Reid Intl - London Heathrow), is priced around $489.
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, November is the cheapest month in which you can book a flight from Las Vegas to London Heathrow Airport (average of $661). Flying from Las Vegas to London Heathrow Airport in June is currently the most expensive (average of $1,098). 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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Top 9 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$542	Average$996	FlexibilityNo cancel fee	On-time72%
British Airways	Cheapest$567	Average$882	FlexibilityNo cancel fee	On-time70%
United Airlines	Cheapest$580	Average$704	FlexibilityNo cancel fee	On-time69%
American Airlines	Cheapest$590	Average$914	FlexibilityNo cancel fee	On-time71%
Iberia	Cheapest$610	Average$1,051	FlexibilityNo cancel fee	On-time77%
Delta	Cheapest$614	Average$960	FlexibilityNo cancel fee	On-timeN/A
JetBlue	Cheapest$750	Average$1,090	FlexibilityNo cancel fee	On-time62%
Aer Lingus	Cheapest$962	Average$1,310	FlexibilityNo cancel fee	On-timeN/A

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$310+ 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 10/12. 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 February or January, booked 89 days in advance, depart on a Monday or Wednesday and return on a Wednesday

Cheap flight deals from Las Vegas to Heathrow

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 September 11, 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 September 11, 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.

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

LHR

Our travel experts

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.

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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?

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

How much does it cost to fly round-trip from Las Vegas to London Heathrow Airport?

Weekly flight availability from Las Vegas to London Heathrow Airport

Reviews of airlines servicing Heathrow

Related info for your journey

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.

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

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

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

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

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

What are the cheapest flights from Las Vegas to London Heathrow Airport?

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

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

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

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

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Alternative routes for Las Vegas to Heathrow

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Top 9 airlines flying from Las Vegas to Heathrow

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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 September 11, 2025.