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$228+ 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 12/12. Fares are subject to change and may not be available on all flights or dates of travel.
YXU — LAS
Nov 27 — Dec 41
Thu 11/27
Thu 12/4
1 adult, Economy
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1. Tell us where you want to go

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Find 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 October 28, 2025.

This Trip.com deal was found by Cheapflights users on 10/27. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/248:10 pmYXU - LAS
1 stop25h 01mWestJet
Mon 12/19:15 pmLAS - YXU
2 stops18h 57mWestJet
Deal found 10/27$417
This Mytrip deal was found by Cheapflights users on 10/27. 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.
Mon 11/248:10 pmYXU - LAS
1 stop17h 14mMultiple Airlines
Mon 12/17:15 pmLAS - YXU
2 stops20h 57mMultiple Airlines
Deal found 10/27$441
This Air Canada deal was found by Cheapflights users on 10/27. 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.
Mon 11/245:40 pmYXU - LAS
1 stop7h 51mAir Canada
Mon 12/111:30 pmLAS - YXU
1 stop6h 16mAir Canada
Deal found 10/27$448
This United Airlines deal was found by Cheapflights users on 10/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/245:15 amYXU - LAS
2 stops12h 42mUnited Airlines
Sun 11/3012:59 amLAS - YXU
2 stops13h 06mUnited Airlines
Deal found 10/27$513
This Air Canada deal was found by Cheapflights users on 10/27. 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.
Thu 12/185:10 amYXU - LAS
2 stops11h 04mAir Canada
Thu 12/1811:30 pmLAS - YXU
1 stop6h 16mAir Canada
Deal found 10/27$521
This United Airlines deal was found by Cheapflights users on 10/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/185:10 amYXU - LAS
2 stops11h 02mUnited Airlines
Thu 12/184:10 pmLAS - YXU
2 stops21h 55mUnited Airlines
Deal found 10/27$590
This United Airlines deal was found by Cheapflights users on 10/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/185:10 amYXU - LAS
3 stops19h 48mUnited Airlines
Sat 12/2012:59 amLAS - YXU
2 stops13h 06mUnited Airlines
Deal found 10/27$630

Cheap 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 October 28, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$370
(Trip.com)

One-way from

$228
(Air Canada)

Popular in

December

Cheapest in

September

Average price

$421
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. 7% potential increase in price ($28 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 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 October 28, 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

Sun 3/15

8:10 pm-10:27 am

1 stop17h 17m

Las Vegas Harry Reid Intl

Sat 3/21

7:05 pm-7:13 pm

1 stop21h 08m

$370

LondonLas Vegas

YXU - LAS

YXULAS

London

Mon 2/23

5:40 pm-10:31 pm

1 stop7h 51m

Las Vegas Harry Reid Intl

Fri 2/27

11:30 pm-8:46 am

1 stop6h 16m

$415

LondonLas Vegas

YXU - LAS

YXULAS

London

Tue 2/3

5:15 am-3:59 pm

2 stops13h 44m

Las Vegas Harry Reid Intl

Sat 2/7

11:30 pm-8:46 am

1 stop6h 16m

$415

LondonLas Vegas

YXU - LAS

YXULAS

London

Tue 2/3

9:25 am-8:49 pm

2 stops14h 24m

Las Vegas Harry Reid Intl

Fri 2/6

4:45 pm-8:46 am

2 stops13h 01m

$415

LondonLas Vegas

YXU - LAS

YXULAS

London

Wed 2/4

5:40 pm-10:31 pm

1 stop7h 51m

Las Vegas Harry Reid Intl

Sat 2/7

11:30 pm-8:46 am

1 stop6h 16m

$415

LondonLas Vegas

YXU - LAS

YXULAS

London

Fri 12/12

5:40 pm-10:31 pm

1 stop7h 51m

$228

LondonLas Vegas

YXU - LAS

YXULAS

London

Fri 12/12

9:25 am-11:59 pm

2 stops17h 34m

$264

LondonLas Vegas

YXU - LAS

YXULAS

London

Wed 12/10

5:10 am-5:16 pm

2 stops15h 06m

$264

LondonLas Vegas

YXU - LAS

YXULAS

London

Thu 12/18

5:10 am-9:58 pm

3 stops19h 48m

$264

LondonLas Vegas

YXU - LAS

YXULAS

London

Thu 12/11

8:10 pm-8:15 pm

2 stops27h 05m

$292

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/27

Showing 1-10 of 15 results
1
2

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 October.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust 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 October 24, 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, March is the cheapest month in which you can book a flight from London, Ontario to Las Vegas (average of $108). 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.

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

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 9h 26m. 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.

  • What are the cheapest airlines to fly from London, Ontario to Las Vegas one-way?

    The cheapest airlines for a one-way flight from London, Ontario to Las Vegas are Air Canada ($228), United Airlines ($264), and WestJet ($292).

  • 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, March is the cheapest month in which you can book a flight from London, Ontario to Las Vegas (average of $108). 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

Traveling to a place near Las Vegas?

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Primm
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Needles
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