$144 Cheap Flights from London (YXU) to Las Vegas (LAS)

View $144 flight on Tue, May 13, 2025Opens in a new window

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Find available prices by choosing your travel dates.

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

Prices were available within the past 7 days and start at $144 for one-way flights and $241 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Tue, Jun 3 - Thu, Jun 12
YXU
London
LAS
Las Vegas
$241 Roundtrip, found 5 days ago
$241
Roundtrip
found 5 days ago
Select United flight, departing Tue, Jun 3 from London to Las Vegas, returning Thu, Jun 12, priced at $241 found 5 days ago
United
Sun, Apr 27 - Wed, Apr 30
YXU
London
LAS
Las Vegas
$254 Roundtrip, found 3 days ago
$254
Roundtrip
found 3 days ago
Select United flight, departing Sun, Apr 27 from London to Las Vegas, returning Wed, Apr 30, priced at $254 found 3 days ago
Air Canada
Tue, Aug 12 - Tue, Aug 19
YXU
London
LAS
Las Vegas
$266 Roundtrip, found 3 days ago
$266
Roundtrip
found 3 days ago
Select Air Canada flight, departing Tue, Aug 12 from London to Las Vegas, returning Tue, Aug 19, priced at $266 found 3 days ago
Air Canada
Tue, Aug 12 - Wed, Aug 20
YXU
London
LAS
Las Vegas
$276 Roundtrip, found 3 days ago
$276
Roundtrip
found 3 days ago
Select Air Canada flight, departing Tue, Aug 12 from London to Las Vegas, returning Wed, Aug 20, priced at $276 found 3 days ago
Air Canada
Tue, Aug 12 - Sun, Aug 17
YXU
London
LAS
Las Vegas
$279 Roundtrip, found 3 days ago
$279
Roundtrip
found 3 days ago
Select Air Canada flight, departing Tue, Aug 12 from London to Las Vegas, returning Sun, Aug 17, priced at $279 found 3 days ago
WestJet
Mon, Aug 11 - Tue, Aug 19
YXU
London
LAS
Las Vegas
$281 Roundtrip, found 3 days ago
$281
Roundtrip
found 3 days ago
Select WestJet flight, departing Mon, Aug 11 from London to Las Vegas, returning Tue, Aug 19, priced at $281 found 3 days ago
WestJet
Mon, Aug 11 - Thu, Aug 14
YXU
London
LAS
Las Vegas
$285 Roundtrip, found 3 days ago
$285
Roundtrip
found 3 days ago
Select WestJet flight, departing Mon, Aug 11 from London to Las Vegas, returning Thu, Aug 14, priced at $285 found 3 days ago
WestJet
Sat, May 10 - Sun, May 11
YXU
London
LAS
Las Vegas
$292 Roundtrip, found 4 days ago
$292
Roundtrip
found 4 days ago
Select WestJet flight, departing Sat, May 10 from London to Las Vegas, returning Sun, May 11, priced at $292 found 4 days ago
Air Canada
Fri, May 9 - Sat, May 10
YXU
London
LAS
Las Vegas
$293 Roundtrip, found 21 hours ago
$293
Roundtrip
found 21 hours ago
Select Air Canada flight, departing Fri, May 9 from London to Las Vegas, returning Sat, May 10, priced at $293 found 21 hours ago
Air Canada
Fri, May 9 - Sat, May 10
YXU
London
LAS
Las Vegas
$299 Roundtrip, found 21 hours ago
$299
Roundtrip
found 21 hours ago
Select Air Canada flight, departing Fri, May 9 from London to Las Vegas, returning Sat, May 10, priced at $299 found 21 hours ago
Flights from London (YXU) to Las Vegas (LAS)
Origin airport
London Intl.
Destination airport
Harry Reid Intl.
Airlines serving
Air Canada, United, WestJet
Roundtrip price
$241
Distance
1859 mi

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 June. 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 $144 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 London Intl. Airport (YXU) to Harry Reid Intl. Airport (LAS) cost?
Discover the latest flight deals from YXU to LAS by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from YXU to LAS?
The cheapest flights from YXU to LAS are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from YXU to LAS?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that’ll take you from YXU to LAS. Sort your results by “Price (lowest to highest)” to snap up a great deal.
How many flights per day from London Intl. Airport (YXU) to Harry Reid Intl. Airport (LAS)?
Nonstop flights from London Intl. Airport (YXU) to Harry Reid Intl. Airport (LAS) aren’t available daily, so you’ll need to take a flight with a layover. Explore your options with Expedia’s filter tool. Enter your travel details and select either “1 Stop” or “2+ Stops.”
What day of the week has the most flights from YXU to LAS?
Friday is generally the busiest day for flights, while Tuesday is often the quietest.* Keep in mind that flight schedules can change based on a number of factors, including the time of year and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from London Intl. Airport (YXU) to Harry Reid Intl. Airport (LAS)?
To avoid possible delays on the London Intl. Airport (YXU) to Harry Reid Intl. Airport (LAS) route, aim to fly before 3 PM. Departures after this time are 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.
Is it cheaper to buy a plane ticket from London Intl. Airport (YXU) to Harry Reid Intl. Airport (LAS) last-minute?
Holding off until just before your departure to book a ticket from YXU to LAS often results in higher prices. While it’s possible to find some last-minute offers, there’s no guarantee. Allow some flexibility in your schedule to boost your chances of scoring a bargain.
Is it cheaper to book a YXU to LAS flight and hotel package?
Compared with arranging hotels and flights separately, booking a YXU to LAS flight and hotel package with Expedia could result in significant savings. What’s more, having it all in one place will take the stress out of travel planning. Just pick your flights and choose from our wide range of hotels, then tailor your trip with extras like activities, tours and car rentals.
Can I cancel or change the date of my flight from London Intl. Airport (YXU) to Harry Reid Intl. Airport (LAS)?
If you reserved your YXU to LAS flight within 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 this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal if you’d like more information.

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*Available to One Key members.