$398 Cheap Flights from London (LHR) to Las Vegas (LAS)

View $398 flight on Sat, Jan 24, 2026Opens in a new window

Popular airlines from Heathrow Airport (LHR) to Harry Reid Intl. Airport (LAS)

Cheap Flights from London to Las Vegas (LHR-LAS)

Prices were available within the past 7 days and start at $398 for one-way flights and $551 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Wed, Dec 24 - Tue, Jan 6
LHR
London
LAS
Las Vegas
$551 Roundtrip, found 4 days ago
$551
Roundtrip
found 4 days ago
Select Delta flight, departing Wed, Dec 24 from London to Las Vegas, returning Tue, Jan 6, priced at $551 found 4 days ago
Delta
Thu, Jan 8 - Mon, Jan 12
LHR
London
LAS
Las Vegas
$556 Roundtrip, just found
$556
Roundtrip
just found
Select Delta flight, departing Thu, Jan 8 from London to Las Vegas, returning Mon, Jan 12, priced at $556 just found
Delta
Sat, Jan 10 - Wed, Jan 14
LHR
London
LAS
Las Vegas
$557 Roundtrip, just found
$557
Roundtrip
just found
Select Delta flight, departing Sat, Jan 10 from London to Las Vegas, returning Wed, Jan 14, priced at $557 just found
Delta
Sat, Jan 10 - Wed, Jan 14
LHR
London
LAS
Las Vegas
$561 Roundtrip, just found
$561
Roundtrip
just found
Select Delta flight, departing Sat, Jan 10 from London to Las Vegas, returning Wed, Jan 14, priced at $561 just found
Iberia
Wed, Feb 18 - Mon, Feb 23
LHR
London
LAS
Las Vegas
$591 Roundtrip, found 2 days ago
$591
Roundtrip
found 2 days ago
Select Iberia flight, departing Wed, Feb 18 from London to Las Vegas, returning Mon, Feb 23, priced at $591 found 2 days ago
KLM
Wed, Dec 24 - Tue, Jan 6
LHR
London
LAS
Las Vegas
$604 Roundtrip, found 4 days ago
$604
Roundtrip
found 4 days ago
Select KLM flight, departing Wed, Dec 24 from London to Las Vegas, returning Tue, Jan 6, priced at $604 found 4 days ago
British Airways
Thu, Dec 11 - Wed, Dec 24
LHR
London
LAS
Las Vegas
$641 Roundtrip, just found
$641
Roundtrip
just found
Select British Airways flight, departing Thu, Dec 11 from London to Las Vegas, returning Wed, Dec 24, priced at $641 just found
Air France
Sat, Jan 10 - Wed, Jan 14
LHR
London
LAS
Las Vegas
$646 Roundtrip, just found
$646
Roundtrip
just found
Select Air France flight, departing Sat, Jan 10 from London to Las Vegas, returning Wed, Jan 14, priced at $646 just found
American Airlines
Wed, Dec 3 - Wed, Dec 10
LHR
London
LAS
Las Vegas
$654 Roundtrip, found 1 hour ago
$654
Roundtrip
found 1 hour ago
Select American Airlines flight, departing Wed, Dec 3 from London to Las Vegas, returning Wed, Dec 10, priced at $654 found 1 hour ago
JetBlue Airways
Wed, Feb 18 - Mon, Feb 23
LHR
London
LAS
Las Vegas
$680 Roundtrip, found 2 days ago
$680
Roundtrip
found 2 days ago
Select JetBlue Airways flight, departing Wed, Feb 18 from London to Las Vegas, returning Mon, Feb 23, priced at $680 found 2 days ago

Find the cheapest month to fly from London (LHR) to Las Vegas (LAS)

February is typically the cheapest month to fly

From $542 - $847 per traveler.

Alternative airports near Las Vegas

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to McCarran Intl. LAS. Cheapest and Closest option available. Average driving time to city center is 6 minutes. Flights from $811
LAS
McCarran Intl.
CheapestClosest
Average driving time to city center6 min
Flights from $811
Flights from London (LHR) to Las Vegas (LAS)
Origin airport
Heathrow
Destination airport
Harry Reid Intl.
Airlines serving
Aer Lingus, Air Canada, Air France, American Airlines, Austrian Airlines, British Airways, Brussels Airlines, Delta, Finnair, Iberia, JetBlue Airways, KLM, Lufthansa, Swiss International Air Lines, United, Virgin Atlantic, WestJet
Roundtrip price
$550
Distance
5216 mi
Average flight time
2 hours 47 mins

London to Las Vegas Flights

The cheapest times to fly from London to Las Vegas

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from London to Las Vegas are during the month of December. You can find some of the cheapest flights from London to Las Vegas with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from London to Las Vegas

Sunday is one of the best days to book for cheap flights from London to Las Vegas: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from London to Las Vegas

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from London to Las Vegas in 2025. You can also book with separate airlines for your outbound and return journeys, from $398 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap London to Las Vegas flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your London to Las Vegas airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Heathrow Airport (LHR) to Harry Reid Intl. Airport (LAS) cost?
Get a cheap one-way flight from $398 or cheap return flight from $551 from Heathrow Airport (LHR) to Harry Reid Intl. Airport (LAS) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Heathrow Airport (LHR) to Harry Reid Intl. Airport (LAS)?
The cheapest month to fly from LHR to LAS is December, when there's less demand. Off-peak months are typically when airlines offer better prices between these airports.
Which airlines fly direct from Heathrow Airport (LHR) to Harry Reid Intl. Airport (LAS)?
When setting off from Heathrow Airport (LHR), you can get on a nonstop flight to Harry Reid Intl. Airport (LAS) with British Airways.
What is the cheapest airline that flies from Heathrow Airport (LHR) to Harry Reid Intl. Airport (LAS)?
Virgin Atlantic and British Airways are some well-known airlines offering reasonable fares. Remember that flight prices from Heathrow Airport (LHR) to Harry Reid Intl. Airport (LAS) can change based on travel dates, demand and how early you book. With Expedia's filter tool, you can easily find a LHR to LAS flight that works with your plans and budget.
How many flights per day from Heathrow Airport (LHR) to Harry Reid Intl. Airport (LAS)?
With an average of 2 nonstop flights departing from Heathrow Airport (LHR) to Harry Reid Intl. Airport (LAS) daily, you'll be taking off on vacation soon enough.
What are the most popular departure times for flights from Heathrow Airport (LHR) to Harry Reid Intl. Airport (LAS)?
More passengers fly between LHR and LAS at 4 PM than at any other point in the day. Looking to skip the crowds? Travel outside of rush hours and you could save on your ticket as well.
What day of the week has the most flights from LHR to LAS?
If you jet off on a Wednesday, you'll get the widest range of choices for flights from Heathrow Airport (LHR) to Harry Reid Intl. Airport (LAS).
What is the earliest flight from Heathrow Airport (LHR) to Harry Reid Intl. Airport (LAS)?
Catch the earliest flight at around 12:30PM UTC+0, departing from Heathrow Airport (LHR). You'll be flying for roughly 11h, coming in to land at Harry Reid Intl. Airport (LAS) at approximately 3:30PM UTC-8.
How long does it take to fly from Heathrow Airport (LHR) to Harry Reid Intl. Airport (LAS)?
The average flight duration from LHR to LAS is 10 hours and 48 minutes, covering a total distance of 5,200 mi.
What is the best time to fly from Heathrow Airport (LHR) to Harry Reid Intl. Airport (LAS)?
Select a flight from Heathrow Airport (LHR) to Harry Reid Intl. Airport (LAS) that leaves before 3 PM to reduce the risk of delays and cancellations. Departures after this time are on average 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Las Vegas from Heathrow Airport (LHR)?
Harry Reid Intl. Airport (LAS) is the only airport in Las Vegas with direct flights from Heathrow Airport (LHR). Check out the available options and discover cheap fares on Expedia.
Is it cheaper to buy a plane ticket from Heathrow Airport (LHR) to Harry Reid Intl. Airport (LAS) last-minute?
Last-minute bookings from LHR to LAS are usually more expensive. To lock in the best prices, start looking for flights well ahead of time. That said, if your travel plans are flexible, you may find a cheap ticket right before your journey.
Is it cheaper to book a LHR to LAS flight and hotel package?
Compared with arranging flights and hotels separately, booking a LHR to LAS flight and hotel package with Expedia could result in significant savings. Better yet, having everything in one place will take the stress out of planning your trip. Simply pick your flights and select from our wide range of hotels, then tailor your trip with extras like car rentals and activities.
Can I cancel or change the date of my flight from Heathrow Airport (LHR) to Harry Reid Intl. Airport (LAS)?
If you booked your LHR to LAS flight in the last 24 hours, you may be able to cancel or modify it at no cost. Depending on the airline and the type of fare you purchased, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

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*Available to One Key members.