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$190+ 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 9/8. Fares are subject to change and may not be available on all flights or dates of travel.
YXU — LAS
Sep 5 — Sep 121
Sat 9/5
Sat 9/12
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 August 6, 2026.

This Trip.com deal was found by Cheapflights users on 8/1. 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 10/196:10 am -
1 stop9h 45m
Fri 10/234:30 pm -
1 stop9h 50m
Deal found 8/1$359
This Air Canada deal was found by Cheapflights users on 8/5. 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.
Fri 9/256:20 pm -
1 stop7h 02m
Tue 9/2911:25 pm -
1 stop6h 55m
Deal found 8/5$376
This Trip.com deal was found by Cheapflights users on 8/2. 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 8/246:10 am -
2 stops20h 33m
Mon 9/2110:58 am -
2 stops15h 22m
Deal found 8/2$380
This Trip.com deal was found by Cheapflights users on 8/3. 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.
Sun 10/186:10 am -
1 stop18h 30m
Thu 10/224:30 pm -
1 stop9h 50m
Deal found 8/3$391
This Air Canada deal was found by Cheapflights users on 8/5. 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 10/196:20 pm -
1 stop7h 02m
Sat 10/2411:30 pm -
1 stop12h 17m
Deal found 8/5$395
This oojo deal was found by Cheapflights users on 8/3. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/186:10 am -
1 stop18h 30m
Fri 9/254:30 pm -
1 stop9h 50m
Deal found 8/3$405
This Justfly.com deal was found by Cheapflights users on 8/1. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/206:10 am -
1 stop9h 45m
Wed 10/281:10 pm -
2 stops27h 05m
Deal found 8/1$410
This Trip.com deal was found by Cheapflights users on 8/2. 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 9/146:10 am -
2 stops12h 35m
Mon 9/214:30 pm -
1 stop9h 50m
Deal found 8/2$432

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 August 6, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$359
(Trip.com)

One-way from

$190
(Trip.com)

Popular in

July

Cheapest in

September

Average price

$518
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. 21% potential increase in price ($118 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($22 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2026
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 August 6, 2026.
Use the filters below to find and compare flights from London to Las Vegas that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LondonLas Vegas

YXU London - LAS Las Vegas Harry Reid Intl

YXULAS

London

Mon 10/19

6:10 am-12:55 pm

1 stop9h 45m

Las Vegas Harry Reid Intl

Fri 10/23

4:30 pm-5:20 am

1 stop9h 50m

$359
Quickest round-trip

LondonLas Vegas

YXU London - LAS Las Vegas Harry Reid Intl

YXULAS

London

Fri 9/25

6:20 pm-10:22 pm

1 stop7h 02m

Las Vegas Harry Reid Intl

Tue 9/29

11:25 pm-9:20 am

1 stop6h 55m

$376

LondonLas Vegas

YXU London - LAS Las Vegas Harry Reid Intl

YXULAS

London

Mon 10/19

6:20 pm-10:22 pm

1 stop7h 02m

Las Vegas Harry Reid Intl

Sat 10/24

11:30 pm-2:47 pm

1 stop12h 17m

$395

LondonLas Vegas

YXU London - LAS Las Vegas Harry Reid Intl

YXULAS

London

Fri 9/18

6:10 am-9:40 pm

1 stop18h 30m

Las Vegas Harry Reid Intl

Fri 9/25

4:35 pm-5:20 am

2 stops33h 45m

$451

LondonLas Vegas

YXU London - LAS Las Vegas Harry Reid Intl

YXULAS

London

Tue 10/20

3:30 pm-10:23 pm

2 stops9h 53m

Las Vegas Harry Reid Intl

Wed 10/28

7:20 am-9:52 pm

2 stops11h 32m

$530

LondonLas Vegas

YXU London - LAS Las Vegas Harry Reid Intl

YXULAS

London

Sun 10/11

6:10 am-12:55 pm

1 stop9h 45m

Las Vegas Harry Reid Intl

Thu 10/15

8:45 pm-4:45 pm

2 stops17h 00m

$541

LondonLas Vegas

YXU London - LAS Las Vegas Harry Reid Intl

YXULAS

London

Sun 10/11

6:10 am-12:55 pm

1 stop9h 45m

Las Vegas Harry Reid Intl

Thu 10/15

6:10 pm-5:20 am

1 stop8h 10m

$559
Cheapest one-way

LondonLas Vegas

YXU London - LAS Las Vegas Harry Reid Intl

YXULAS

London

Tue 9/8

6:10 am-11:22 pm

2 stops20h 12m

$190

LondonLas Vegas

YXU London - LAS Las Vegas Harry Reid Intl

YXULAS

London

Fri 9/4

6:10 am-12:55 pm

1 stop9h 45m

$229

LondonLas Vegas

YXU London - LAS Las Vegas Harry Reid Intl

YXULAS

London

Thu 9/3

6:10 am-12:36 am

2 stops21h 26m

$251

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/1

Showing 1-10 of 14 resultsSorted by cheapest first
1
2
  • Most accurate provider: When it comes to deals on London, Ontario-Las Vegas flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on London, Ontario-Las Vegas flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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 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 $502 and $565 in October.
The cheapest round-trip price found within the last 5 days was $359 on WestJet (Oct 19-Oct 23).

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 02m. The time it takes to get you to your destination can typically vary by up to 2h 43m. 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.

See more FAQs

Traveling to a place near Las Vegas?

Book flights to Las Vegas if you plan to visit one of these locations
Paradise
Henderson
Mesquite
North Las Vegas
Kingman
Winchester
Boulder City
Needles
Sunrise Manor

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