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$251+ 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 4/23. Fares are subject to change and may not be available on all flights or dates of travel.
YXU — LAS
Apr 11 — Apr 181
Sat 4/11
Sat 4/18
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 March 12, 2026.

This oojo deal was found by Cheapflights users on 3/7. 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.
Tue 4/218:00 am
YXU
-
LAS
1 stop16h 33m
WestJet
Tue 4/281:20 pm
LAS
-
YXU
2 stops13h 00m
WestJet
Deal found 3/7$400
This Trip.com deal was found by Cheapflights users on 3/9. 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.
Fri 6/52:40 pm
YXU
-
LAS
2 stops10h 00m
WestJet
Mon 6/88:30 am
LAS
-
YXU
1 stop17h 50m
WestJet
Deal found 3/9$437
This Trip.com deal was found by Cheapflights users on 3/7. 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.
Wed 7/226:10 am
YXU
-
LAS
1 stop9h 45m
WestJet
Fri 7/241:20 pm
LAS
-
YXU
2 stops13h 00m
WestJet
Deal found 3/7$442
This Trip.com deal was found by Cheapflights users on 3/8. 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.
Wed 4/296:10 am
YXU
-
LAS
2 stops18h 19m
Multiple Airlines
Wed 5/131:20 pm
LAS
-
YXU
2 stops13h 00m
Multiple Airlines
Deal found 3/8$448

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 March 12, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$400
(oojo)

One-way from

$251
(Trip.com)

Popular in

May

Cheapest in

June

Average price

$411
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. 1% potential increase in price ($5 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($11 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 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 March 12, 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 - LAS

YXULAS

London

Tue 6/2

6:10 am-12:55 pm

1 stop9h 45m

Las Vegas Harry Reid Intl

Fri 6/5

6:10 pm-5:20 am

1 stop8h 10m

$480
Quickest round-trip

LondonLas Vegas

YXU - LAS

YXULAS

London

Tue 6/2

3:30 pm-11:48 pm

2 stops11h 18m

Las Vegas Harry Reid Intl

Fri 6/5

11:25 pm-8:53 am

1 stop6h 28m

$498

LondonLas Vegas

YXU - LAS

YXULAS

London

Thu 4/23

8:00 am-11:16 am

2 stops30h 16m

Las Vegas Harry Reid Intl

Thu 4/30

6:10 pm-5:20 am

1 stop8h 10m

$509

LondonLas Vegas

YXU - LAS

YXULAS

London

Sun 5/17

6:10 am-12:55 pm

1 stop9h 45m

Las Vegas Harry Reid Intl

Wed 5/20

3:23 pm-5:20 am

2 stops10h 57m

$565

LondonLas Vegas

YXU - LAS

YXULAS

London

Mon 5/25

9:30 am-11:53 pm

2 stops17h 23m

Las Vegas Harry Reid Intl

Thu 5/28

10:00 pm-11:43 am

2 stops10h 43m

$571

LondonLas Vegas

YXU - LAS

YXULAS

London

Fri 4/17

7:30 am-6:13 pm

1 stop13h 43m

Las Vegas Harry Reid Intl

Sun 4/19

8:05 am-7:13 pm

1 stop8h 08m

$579
Cheapest one-way

LondonLas Vegas

YXU - LAS

YXULAS

London

Thu 4/23

8:00 am-11:29 pm

2 stops18h 29m

$251

LondonLas Vegas

YXU - LAS

YXULAS

London

Tue 4/21

8:00 am-3:38 pm

3 stops34h 38m

$311

LondonLas Vegas

YXU - LAS

YXULAS

London

Sat 4/25

5:10 am-5:23 pm

2 stops15h 13m

$318
Quickest one-way

LondonLas Vegas

YXU - LAS

YXULAS

London

Tue 4/21

8:00 am-6:13 pm

1 stop13h 13m

$399

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/9

Showing 1-10 of 12 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

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 $112). 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 9h 45m. The time it takes to get you to your destination can typically vary by up to 1h 33m. 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, March is the cheapest month in which you can book a flight from London, Ontario to Las Vegas (average of $112). 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?

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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