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

According to our current data, Delta ($689), Air Canada ($695), and American Airlines ($696) offers the cheapest pricing from Las Vegas to London Heathrow Airport. Delta is currently priced 23% 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 WestJet ($344), JetBlue ($403), and United Airlines ($413).

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 $1,797, our data indicates the cheapest price to be $438. The most popular route (Las Vegas Harry Reid Intl - London Heathrow), is priced around $552.

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 (87%), American Airlines (78%) or Aer Lingus (78%) 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 4% 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 $510 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 $794. You can even find prices in January for less than $794, as users have found deals to London Heathrow Airport from as low as $330. 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 53%.

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 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.

$324+ 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

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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 67 days in advance, depart on a Monday or Tuesday and return on a Wednesday

Cheap flight deals from Las Vegas to Heathrow

Round-trip from	$689 (Delta)
One-way from	$324 (Mytrip)
Popular in	June
Cheapest in	January
Average price	$1,162
Good round-trip deal	$724 or less
Good one-way deal	$517 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. 22% potential increase in price ($268 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease ($37 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 Heathrow.

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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 July 3, 2025.

Sun 9/79:10 pmLAS - LHR

Nonstop9h 55mDelta

Wed 9/174:35 pmLHR - LAS

Nonstop10h 40mDelta

Deal found 7/3

$689

Wed 9/247:25 amLAS - LHR

2 stops18h 10mAir Canada

Wed 10/812:05 pmLHR - LAS

2 stops18h 17mAir Canada

Deal found 7/2

$695

Sun 8/33:27 pmLAS - LHR

1 stop12h 48mAmerican Airlines

Tue 8/192:45 pmLHR - LAS

1 stop14h 57mAmerican Airlines

Deal found 7/1

$696

Sat 8/1612:00 pmLAS - LHR

1 stop15h 10mMultiple Airlines

Sat 8/231:05 pmLHR - LAS

1 stop16h 23mMultiple Airlines

Deal found 7/2

$697

Wed 11/198:55 pmLAS - LHR

Nonstop9h 55mBritish Airways

Tue 12/94:05 pmLHR - LAS

Nonstop10h 45mBritish Airways

Deal found 7/3

$698

Mon 8/1812:59 amLAS - LHR

2 stops21h 21mUnited Airlines

Tue 8/262:10 pmLHR - LAS

2 stops37h 13mUnited Airlines

Deal found 7/3

$700

Sun 9/710:54 amLAS - LHR

2 stops22h 46mScandinavian Airlines

Wed 9/1710:20 amLHR - LAS

2 stops18h 08mScandinavian Airlines

Deal found 7/3

$704

Fri 8/159:10 pmLAS - LHR

Nonstop9h 55mAir France

Fri 8/224:35 pmLHR - LAS

Nonstop10h 45mAir France

Deal found 7/2

$715

Sun 7/277:07 amLAS - LHR

1 stop16h 13mIberia

Wed 8/1312:00 pmLHR - LAS

1 stop14h 35mIberia

Deal found 7/2

$716

Mon 8/189:10 pmLAS - LHR

1 stop15h 30mLufthansa

Wed 8/279:30 amLHR - LAS

2 stops17h 19mLufthansa

Deal found 7/3

$727

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 July 3, 2025.

Sun 9/79:10 pmLAS - LHR

Nonstop9h 55mDelta

Wed 9/174:35 pmLHR - LAS

Nonstop10h 40mDelta

Deal found 7/3

$689

Wed 9/247:25 amLAS - LHR

2 stops18h 10mAir Canada

Wed 10/812:05 pmLHR - LAS

2 stops18h 17mAir Canada

Deal found 7/2

$695

Sun 8/33:27 pmLAS - LHR

1 stop12h 48mAmerican Airlines

Tue 8/192:45 pmLHR - LAS

1 stop14h 57mAmerican Airlines

Deal found 7/1

$696

Sat 8/1612:00 pmLAS - LHR

1 stop15h 10mMultiple Airlines

Sat 8/231:05 pmLHR - LAS

1 stop16h 23mMultiple Airlines

Deal found 7/2

$697

Wed 11/198:55 pmLAS - LHR

Nonstop10h 00mBritish Airways

Tue 12/94:05 pmLHR - LAS

Nonstop10h 45mBritish Airways

Deal found 7/2

$698

Mon 8/1812:59 amLAS - LHR

2 stops21h 21mUnited Airlines

Tue 8/262:10 pmLHR - LAS

2 stops37h 13mUnited Airlines

Deal found 7/3

$700

Sun 9/710:54 amLAS - LHR

2 stops22h 46mScandinavian Airlines

Wed 9/1710:20 amLHR - LAS

2 stops18h 08mScandinavian Airlines

Deal found 7/3

$704

Fri 8/159:10 pmLAS - LHR

Nonstop9h 55mAir France

Fri 8/224:35 pmLHR - LAS

Nonstop10h 45mAir France

Deal found 7/2

$715

Sun 7/277:07 amLAS - LHR

1 stop16h 13mIberia

Wed 8/1312:00 pmLHR - LAS

1 stop14h 35mIberia

Deal found 7/2

$716

Mon 8/189:10 pmLAS - LHR

1 stop15h 30mLufthansa

Wed 8/279:30 amLHR - LAS

2 stops17h 19mLufthansa

Deal found 7/3

$727

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

Tue 7/810:10 amLAS - LHR

1 stop15h 20mIcelandair

Tue 7/158:25 amLHR - LAS

1 stop19h 46mIcelandair

Deal found 7/1

$896

Tue 7/89:14 pmLAS - LHR

3 stops28h 46mMultiple Airlines

Tue 7/156:00 amLHR - LAS

2 stops35h 50mMultiple Airlines

Deal found 7/1

$929

Tue 7/86:45 amLAS - LHR

2 stops23h 50mScandinavian Airlines

Fri 7/187:05 amLHR - LAS

2 stops23h 13mScandinavian Airlines

Deal found 7/2

$1,009

Tue 7/811:31 amLAS - LHR

1 stop13h 39mBritish Airways

Tue 7/225:20 pmLHR - LAS

Nonstop10h 40mBritish Airways

Deal found 7/3

$1,695

Tue 7/810:05 pmLAS - LHR

Nonstop10h 00mAmerican Airlines

Tue 7/225:20 pmLHR - LAS

Nonstop10h 40mAmerican Airlines

Deal found 7/3

$1,699

Thu 7/1010:10 amLAS - LHR

2 stops24h 40mTAP AIR PORTUGAL

Wed 7/168:25 amLHR - LAS

1 stop19h 46mTAP AIR PORTUGAL

Deal found 7/2

$1,437

Fri 7/119:05 pmLAS - LHR

1 stop15h 40mJetBlue

Sun 8/38:15 amLHR - LAS

1 stop17h 59mJetBlue

Deal found 7/1

$910

Sun 7/277:07 amLAS - LHR

1 stop16h 13mIberia

Wed 8/1312:00 pmLHR - LAS

1 stop14h 35mIberia

Deal found 7/2

$716

Wed 7/3012:57 amLAS - LHR

1 stop21h 58mBritish Airways

Thu 8/145:15 pmLHR - LAS

Nonstop10h 40mBritish Airways

Deal found 7/3

$701

Wed 7/301:29 pmLAS - LHR

1 stop14h 51mSWISS

Wed 8/68:05 pmLHR - LAS

1 stop28h 30mSWISS

Deal found 7/1

$763

Sun 8/33:27 pmLAS - LHR

1 stop12h 48mAmerican Airlines

Tue 8/192:45 pmLHR - LAS

1 stop14h 57mAmerican Airlines

Deal found 7/1

$696

Sun 8/109:10 pmLAS - LHR

Nonstop9h 55mDelta

Tue 9/211:20 amLHR - LAS

1 stop15h 40mDelta

Deal found 7/2

$699

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 July 3, 2025.

Sat 7/1912:34 amLAS - LHR

3 stops25h 46mMultiple Airlines

Deal found 7/2

$324

Mon 10/2010:00 amLAS - LHR

2 stops18h 05mWestJet

Deal found 7/1

$344

Mon 9/111:59 pmLAS - LHR

1 stop12h 46mJetBlue

Deal found 7/1

$403

Sun 8/1712:59 amLAS - LHR

1 stop22h 41mUnited Airlines

Deal found 7/3

$413

Wed 8/69:10 pmLAS - LHR

Nonstop9h 55mVirgin Atlantic

Deal found 7/1

$415

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

Sun 9/7

9:10 pm-3:05 pm

Nonstop9h 55m

London Heathrow

Wed 9/17

4:35 pm-7:15 pm

Nonstop10h 40m

$689

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

$695

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Sun 8/3

3:27 pm-12:15 pm

1 stop12h 48m

London Heathrow

Tue 8/19

2:45 pm-9:42 pm

1 stop14h 57m

$696

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Sat 8/16

12:00 pm-11:10 am

1 stop15h 10m

London Heathrow

Sat 8/23

1:05 pm-9:28 pm

1 stop16h 23m

$697

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Wed 11/19

8:55 pm-2:55 pm

Nonstop10h 00m

London Heathrow

Tue 12/9

4:05 pm-6:50 pm

Nonstop10h 45m

$698

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Mon 8/18

12:59 am-6:20 am

2 stops21h 21m

London Heathrow

Tue 8/26

2:10 pm-7:23 pm

2 stops37h 13m

$700

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Sun 9/7

10:54 am-5:40 pm

2 stops22h 46m

London Heathrow

Wed 9/17

10:20 am-8:28 pm

2 stops18h 08m

$704

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Fri 8/15

9:10 pm-3:05 pm

Nonstop9h 55m

London Heathrow

Fri 8/22

4:35 pm-7:20 pm

Nonstop10h 45m

$715

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Sun 7/27

7:07 am-7:20 am

1 stop16h 13m

London Heathrow

Wed 8/13

12:00 pm-6:35 pm

1 stop14h 35m

$716

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Mon 8/18

9:10 pm-8:40 pm

1 stop15h 30m

London Heathrow

Wed 8/27

9:30 am-6:49 pm

2 stops17h 19m

$727

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/2

Showing 1-10 of 15 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

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 67 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 26% on the flight price compared to flying in the afternoon, 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.

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 (5 on average).

Reviews of airlines servicing Heathrow

Peruse reviews from past customers who have flown with Delta, Air France, and United 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

7,982 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Delta

8.0

Very good

7,982 reviews

Delta

8.0

Very good

7,982 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Air France

7.5

Good

1,465 reviews

Delta

8.0

Very good

7,982 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

United Airlines

7.4

Good

8,861 reviews

Delta

8.0

Very good

7,982 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Virgin Atlantic

7.4

Good

654 reviews

Delta

8.0

Very good

7,982 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

JetBlue

7.3

Good

2,916 reviews

Delta

8.0

Very good

7,982 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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 8 outbound flights to London Heathrow per day.
What are the cheapest airlines flying from Las Vegas to London Heathrow Airport round-trip?
According to our current data, Delta ($689), Air Canada ($695), and American Airlines ($696) offers the cheapest pricing from Las Vegas to London Heathrow Airport. Delta is currently priced 23% 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 WestJet ($344), JetBlue ($403), and United Airlines ($413).
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 (87%), American Airlines (78%) or Aer Lingus (78%) 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 $1,797, our data indicates the cheapest price to be $438. The most popular route (Las Vegas Harry Reid Intl - London Heathrow), is priced around $552.
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$675	FlexibilityNo cancel fee	On-time67%
Virgin Atlantic	Cheapest$543	Average$1,007	FlexibilityNo cancel fee	On-time72%
United Airlines	Cheapest$580	Average$723	FlexibilityNo cancel fee	On-time69%
American Airlines	Cheapest$604	Average$911	FlexibilityNo cancel fee	On-time71%
Iberia	Cheapest$608	Average$963	FlexibilityNo cancel fee	On-time77%
Delta	Cheapest$609	Average$948	FlexibilityNo cancel fee	On-timeN/A
British Airways	Cheapest$637	Average$912	FlexibilityNo cancel fee	On-time70%
JetBlue	Cheapest$750	Average$1,002	FlexibilityNo cancel fee	On-time62%
Aer Lingus	Cheapest$880	Average$1,270	FlexibilityNo cancel fee	On-timeN/A

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$324+ 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 7/19. 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 67 days in advance, depart on a Monday or Tuesday 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 July 3, 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 July 3, 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.

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?

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

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?

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

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

Use this chart to determine the cheapest time to fly round-trip from Las Vegas to Heathrow. Price data was last updated on December 16, 2024.

Weekly flight availability from Las Vegas to London Heathrow Airport

Explore weekly flight availability from Las Vegas to Heathrow. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated July 3, 2025.

Reviews of airlines servicing Heathrow

Peruse reviews from past customers who have flown with Delta, Air France, and United 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.

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?

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 July 3, 2025.