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

Airfare is below average for this route at the moment. London, Ontario to Las Vegas flights typically cost between C$ 485 and C$ 699 in October. The cheapest round-trip price found within the last 3 days was C$ 398 on WestJet (1 Oct-8 Oct).

Question 1

What’s the top layover airport for flights from London, Ontario to Las Vegas?

Accepted Answer

Toronto (YYZ) – chosen by Cheapflights users on 90% of one-stop itineraries from London, Ontario to Las Vegas on Cheapflights.

Question 2

What’s the cheapest layover airport for flights from London, Ontario to Las Vegas?

Accepted Answer

Calgary (YYC) is the most affordable 1-stop option, with an average round-trip price of C$ 502.

Question 3

What’s the fastest layover option from London, Ontario to Las Vegas?

Accepted Answer

Flights via Toronto (YYZ) have the shortest average one-way travel time for 1-stop routes: 8h 45m.

Question 4

Which airport typically offers the quickest layover for flights from London, Ontario to Las Vegas?

Accepted Answer

Flights via Toronto (YYZ) offer the fastest connection on this route, with an average layover time of 2h 18m.

Question 5

How much does it cost to fly round-trip from London, Ontario to Las Vegas?

Accepted Answer

Airfare is below average for this route at the moment.London, Ontario to Las Vegas flights typically cost between C$ 485 and C$ 699 in October.
The cheapest round-trip price found within the last 3 days was C$ 398 on WestJet (1 Oct-8 Oct).

Question 6

What are the cheapest airlines flying from London, Ontario to Las Vegas round-trip?

Accepted Answer

Cheapflights users have booked flights from London, Ontario to Las Vegas round-trip from C$ 192. Other airlines that can offer you cheap pricing are WestJet, from C$ 329, and Air Canada, from C$ 364. United Airlines is currently priced 64% below the average price you’ll pay for this route.

Question 7

How far ahead should I book a flight from London, Ontario to Las Vegas?

Accepted Answer

To ensure you get the cheapest price possible for a flight from London, Ontario to Las Vegas, you should look to book at least 37 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

Question 8

What is the cheapest month to book a flight from London, Ontario to Las Vegas?

Accepted Answer

Currently, January is the cheapest month in which you can book a flight from London, Ontario to Las Vegas (average of C$ 212). Flying from London, Ontario to Las Vegas in August is currently the most expensive (average of C$ 292). 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.

Question 9

What is the cheapest day to fly from London, Ontario to Las Vegas?

Accepted Answer

Travelers seeking maximum savings on their London, Ontario to Las Vegas flight should consider departing on Sunday afternoons when fares are most often at their lowest. Thursday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Question 10

E

Accepted Answer

In terms of precipitation, rainfall in Las Vegas ranges from 3.0 - 20.0 mm per month. February is typically the wettest month, when rainfall can reach 20.0 mm. May is typically the driest time to visit Las Vegas when rainfall is around 3.0 mm.

Question 11

E

Accepted Answer

If weather is an important factor for your trip to Las Vegas, 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 34.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 9.0 C).

Question 12

What are the most popular airlines that fly from London, Ontario to Las Vegas?

Accepted Answer

The most popular airlines flying from London, Ontario to Las Vegas are Air Canada, United Airlines and WestJet. Something to consider prior to booking your flight.

Question 13

What is the cheapest day to fly round-trip from London, Ontario to Las Vegas?

Accepted Answer

Saturday is generally a great day to depart. Flying on this day could help you save up to 25%.

Question 14

How far in advance should I book a flight from London, Ontario to Las Vegas?

Accepted Answer

Travellers have found it’s best to book a flight 38 days in advance to save up to 307% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 38 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from London, Ontario to Las Vegas 1-2 weeks in advance for as low as C$ 412, or C$ 966 for flights within the next 24 hours.

Question 15

What is the cheapest month to fly from London, Ontario to Las Vegas?

Accepted Answer

February can be a great time to fly to Las Vegas from London, Ontario with a flight ticket averaging about C$ 542. Cheapflights users have found deals in the month of February for as cheap as C$ 388. The most expensive prices can be found in the month of August.

Question 16

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

Accepted Answer

Unlike at noon, when flights are generally more expensive, you can save up to 26% on flights from London, Ontario to Las Vegas by exploring options for tickets in the evening.

Question 17

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

Accepted Answer

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

Question 18

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

Accepted Answer

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

Question 19

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

Accepted Answer

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

Question 20

How does Cheapflights help users find flights from London to Las Vegas?

Accepted Answer

When you search for this flight from London to Las Vegas, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Question 21

Why should you use Cheapflights to find cheap flight tickets from London to Las Vegas?

Accepted Answer

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from London to Las Vegas.

Question 22

Can Cheapflights find flights from London to Las Vegas with no change fees?

Accepted Answer

Need flexible booking options for your flight to Las Vegas from London? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Question 23

Can Cheapflights notify me if prices for flights from London to Las Vegas become cheaper?

Accepted Answer

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Las Vegas from London today and book when prices fit your budget.

Round-trip from	C$ 398
One-way from	C$ 243
Popular in	August
Cheapest in	February
Average price	C$ 659

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	CheapestC$ 192	AverageC$ 551	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
WestJet	CheapestC$ 329	AverageC$ 416	FlexibilityNo cancel fee	On-time60%	Search WestJet flights
Air Canada	CheapestC$ 364	AverageC$ 560	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights

Cheap flights from London, ON to Las Vegas from C$ 243

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 28/9. Fares are subject to change and may not be available on all flights or dates of travel.

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Cheapest flights from London to Las VegasExplore the most affordable flight options available from London to Las Vegas. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 August 2025.

Explore the most affordable flight options available from London to Las Vegas. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 August 2025.

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

Best time to book a flight from London to Las Vegas

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

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

How far ahead should I book a flight from London, Ontario to Las Vegas?

Use this chart to determine the optimal time to book a round-trip flight from London to Las Vegas. Price data was last updated on 8 August 2025.

What is the cheapest month to book a flight from London, Ontario to Las Vegas?

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

Find hourly flight availability from London to Las Vegas. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 17 August 2025.

How much does it cost to fly round-trip from London, Ontario to Las Vegas?

What’s the top layover airport for flights from London, Ontario to Las Vegas?

Share of one-stop round-trip flights from London, Ontario to Las Vegas chosen by Cheapflights users in the past 12 months, using the same layover each way.

What’s the cheapest layover airport for flights from London, Ontario to Las Vegas?

Average round-trip fare for 1-stop flights from London, Ontario to Las Vegas, chosen by Cheapflights users in the past 12 months, with the same layover each way.

What’s the fastest layover option from London, Ontario to Las Vegas?

Shortest average travel time for 1-stop one-way flights from London, Ontario to Las Vegas, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.

Which airport typically offers the quickest layover for flights from London, Ontario to Las Vegas?

Average layover duration for 1-stop one-way flights from London, Ontario to Las Vegas, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Reviews of airlines servicing Las Vegas

See what other customers who have flown with United Airlines,WestJet, andAir Canada from London to Las Vegas have to say. You can also see how each airline compares 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 London to Las Vegas. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What are the cheapest airlines flying from London, Ontario to Las Vegas round-trip?

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

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

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

What is the cheapest month to book a flight from London, Ontario to Las Vegas?

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Top 3 airlines flying from London to Las Vegas

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How does Cheapflights help users find flights from London to Las Vegas?

Why should you use Cheapflights to find cheap flight tickets from London to Las Vegas?

Can Cheapflights find flights from London to Las Vegas with no change fees?

Can Cheapflights notify me if prices for flights from London to Las Vegas become cheaper?

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Cheapest flights from London to Las Vegas
Explore the most affordable flight options available from London to Las Vegas. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 August 2025.