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$208+ Cheap flights from London, ON (YXU) to Las Vegas (LAS)

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 1/24. Fares are subject to change and may not be available on all flights or dates of travel.
YXU — LAS
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
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Cheap flight deals from London to Las Vegas

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 December 12, 2025.

This Air Canada deal was found by Cheapflights users on 12/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/175:40 pmYXU - LAS
1 stop7h 51mAir Canada
Sat 12/2011:30 pmLAS - YXU
1 stop6h 16mAir Canada
Deal found 12/11$1,038
This FlightHub deal was found by Cheapflights users on 12/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/178:10 pmYXU - LAS
1 stop25h 01mWestJet
Sat 12/209:15 pmLAS - YXU
2 stops30h 19mWestJet
Deal found 12/11$1,301
This Mytrip deal was found by Cheapflights users on 12/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/178:10 pmYXU - LAS
3 stops25h 20mMultiple Airlines
Sat 12/209:15 pmLAS - YXU
2 stops30h 19mMultiple Airlines
Deal found 12/11$1,987

Find flight deals from London to Las Vegas

Discover tips and strategies to find the most affordable flight options for your journey from London (YXU) to Las Vegas (LAS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated December 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$340
(Trip.com)

One-way from

$208
(Air Canada)

Popular in

December

Cheapest in

September

Average price

$520
Provider with most accurate pricing for London-Las Vegas Harry Reid Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for London-Las Vegas Harry Reid Intl flights.
Search Deals
From London to Las Vegas Harry Reid Intl
Search Deals
One-way flight from London to Las Vegas Harry Reid Intl
Search Deals
Highest demand for flights based on searches. 15% potential increase in price ($67 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($14 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from London to Las Vegas that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 12, 2025.
Use the filters below to find and compare flights from London to Las Vegas that are best for you.

Fly from

London

Fly to

Las Vegas

Route

Depart

Return

Price

LondonLas Vegas

YXU - LAS

YXULAS

London

Thu 1/8

8:10 pm-9:31 pm

1 stop28h 21m

Las Vegas Harry Reid Intl

Thu 1/15

1:10 pm-6:34 am

2 stops14h 24m

$340

LondonLas Vegas

YXU - LAS

YXULAS

London

Sat 1/31

5:40 pm-10:31 pm

1 stop7h 51m

Las Vegas Harry Reid Intl

Wed 2/4

4:45 pm-8:46 am

2 stops13h 01m

$375

LondonLas Vegas

YXU - LAS

YXULAS

London

Sat 1/31

5:40 pm-10:31 pm

1 stop7h 51m

Las Vegas Harry Reid Intl

Tue 2/3

11:30 pm-8:46 am

1 stop6h 16m

$375

LondonLas Vegas

YXU - LAS

YXULAS

London

Wed 1/21

5:40 pm-10:31 pm

1 stop7h 51m

Las Vegas Harry Reid Intl

Sat 1/24

11:30 pm-8:46 am

1 stop6h 16m

$375

LondonLas Vegas

YXU - LAS

YXULAS

London

Fri 1/23

5:40 pm-10:31 pm

1 stop7h 51m

Las Vegas Harry Reid Intl

Mon 1/26

11:30 pm-8:46 am

1 stop6h 16m

$375

LondonLas Vegas

YXU - LAS

YXULAS

London

Mon 1/12

5:40 pm-10:31 pm

1 stop7h 51m

Las Vegas Harry Reid Intl

Thu 1/15

6:15 am-8:46 am

2 stops23h 31m

$430

LondonLas Vegas

YXU - LAS

YXULAS

London

Sat 1/24

5:40 pm-10:31 pm

1 stop7h 51m

$208

LondonLas Vegas

YXU - LAS

YXULAS

London

Sat 1/24

5:10 am-6:17 pm

3 stops16h 07m

$266

LondonLas Vegas

YXU - LAS

YXULAS

London

Sun 1/4

5:10 am-10:45 pm

2 stops20h 35m

$300

LondonLas Vegas

YXU - LAS

YXULAS

London

Sun 1/4

8:10 pm-9:31 pm

1 stop28h 21m

$421

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/10

Compare providers for flights from London to Las Vegas

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from London to Las Vegas in December.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on London, Ontario-Las Vegas flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on London, Ontario-Las Vegas flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from London, Ontario-Las Vegas flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on London, Ontario-Las Vegas flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for London, Ontario-Las Vegas flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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.
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 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 December 5, 2025.

The best time to book flights from London, Ontario to Las Vegas is 37 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, January is the cheapest month in which you can book a flight from London, Ontario to Las Vegas (average of $106). Flying from London, Ontario to Las Vegas in August is currently the most expensive (average of $171). 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.

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.

  • How long is the flight from London, Ontario to Las Vegas?

    Airlines like WestJet and Air Canada fly from London, Ontario to Las Vegas in about 7h 51m. The time it takes to get you to your destination can typically vary by up to 20h 30m. Airlines will cover a distance of 1859 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

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

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

    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.

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

    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.

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

    Currently, January is the cheapest month in which you can book a flight from London, Ontario to Las Vegas (average of $106). Flying from London, Ontario to Las Vegas in August is currently the most expensive (average of $171). 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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