HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Las Vegas

$257+ 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 3/15. Fares are subject to change and may not be available on all flights or dates of travel.
YXU — LAS
Feb 26 — Mar 51
Thu 2/26
Thu 3/5
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from London to Las Vegas with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 January 27, 2026.

This oojo deal was found by Cheapflights users on 1/26. 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 5/55:55 pm
YXU
-
LAS
2 stops21h 35m
WestJet
Tue 5/121:20 pm
LAS
-
YXU
2 stops13h 05m
WestJet
Deal found 1/26$343
This Trip.com deal was found by Cheapflights users on 1/24. 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 2/238:10 pm
YXU
-
LAS
1 stop28h 23m
WestJet
Mon 3/27:05 pm
LAS
-
YXU
1 stop8h 30m
WestJet
Deal found 1/24$358
This Kiwi.com deal was found by Cheapflights users on 1/24. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/228:10 pm
YXU
-
LAS
1 stop17h 17m
Multiple Airlines
Wed 3/411:30 am
LAS
-
YXU
2 stops16h 05m
Multiple Airlines
Deal found 1/24$383
This Kiwi.com deal was found by Cheapflights users on 1/24. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/228:10 pm
YXU
-
LAS
1 stop17h 17m
Multiple Airlines
Thu 3/510:59 am
LAS
-
YXU
2 stops16h 36m
Multiple Airlines
Deal found 1/24$385
This FlightHub deal was found by Cheapflights users on 1/24. 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.
Sun 2/228:10 pm
YXU
-
LAS
1 stop17h 17m
WestJet
Tue 3/31:10 pm
LAS
-
YXU
2 stops14h 25m
WestJet
Deal found 1/24$390
This Kiwi.com deal was found by Cheapflights users on 1/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/158:10 pm
YXU
-
LAS
1 stop17h 17m
WestJet
Wed 3/181:10 pm
LAS
-
YXU
2 stops14h 25m
WestJet
Deal found 1/26$391
This FlightHub deal was found by Cheapflights users on 1/24. 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.
Mon 2/238:10 pm
YXU
-
LAS
1 stop28h 23m
WestJet
Tue 3/31:10 pm
LAS
-
YXU
2 stops14h 25m
WestJet
Deal found 1/24$404
This Kiwi.com deal was found by Cheapflights users on 1/24. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/228:10 pm
YXU
-
LAS
1 stop17h 17m
Multiple Airlines
Mon 3/24:41 pm
LAS
-
YXU
2 stops34h 54m
Multiple Airlines
Deal found 1/24$408
This Kiwi.com deal was found by Cheapflights users on 1/24. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/258:10 pm
YXU
-
LAS
2 stops25h 20m
Multiple Airlines
Tue 3/37:05 pm
LAS
-
YXU
1 stop8h 30m
Multiple Airlines
Deal found 1/24$410

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 January 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$343
(oojo)

One-way from

$257
(Kiwi.com)

Popular in

December

Cheapest in

May

Average price

$326
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. 10% potential increase in price ($42 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($12 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 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 January 27, 2026.
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

Tue 5/5

5:55 pm-12:30 pm

2 stops21h 35m

Las Vegas Harry Reid Intl

Tue 5/12

1:20 pm-5:25 am

2 stops13h 05m

$343

LondonLas Vegas

YXU - LAS

YXULAS

London

Mon 2/23

8:10 pm-9:33 pm

1 stop28h 23m

Las Vegas Harry Reid Intl

Wed 3/4

11:30 am-6:35 am

2 stops16h 05m

$383

LondonLas Vegas

YXU - LAS

YXULAS

London

Tue 2/24

8:10 pm-9:33 pm

1 stop28h 23m

Las Vegas Harry Reid Intl

Mon 3/2

7:05 pm-6:35 am

1 stop8h 30m

$390

LondonLas Vegas

YXU - LAS

YXULAS

London

Thu 7/9

6:00 am-8:20 pm

2 stops17h 20m

Las Vegas Harry Reid Intl

Mon 7/13

1:25 pm-5:12 am

2 stops12h 47m

$413

LondonLas Vegas

YXU - LAS

YXULAS

London

Tue 5/5

6:15 am-5:18 pm

2 stops14h 03m

Las Vegas Harry Reid Intl

Tue 5/12

7:00 am-5:25 am

3 stops19h 25m

$436

LondonLas Vegas

YXU - LAS

YXULAS

London

Wed 3/11

8:10 pm-8:16 pm

2 stops27h 06m

Las Vegas Harry Reid Intl

Wed 3/18

7:05 pm-6:35 am

1 stop8h 30m

$441

LondonLas Vegas

YXU - LAS

YXULAS

London

Tue 2/24

8:10 pm-10:26 am

2 stops41h 16m

Las Vegas Harry Reid Intl

Mon 3/2

7:05 pm-6:35 am

1 stop8h 30m

$444

LondonLas Vegas

YXU - LAS

YXULAS

London

Sun 7/5

2:35 pm-6:40 pm

1 stop7h 05m

Las Vegas Harry Reid Intl

Wed 7/29

8:00 am-7:07 pm

1 stop8h 07m

$451

LondonLas Vegas

YXU - LAS

YXULAS

London

Sun 7/5

2:35 pm-6:40 pm

1 stop7h 05m

Las Vegas Harry Reid Intl

Tue 7/28

8:00 am-7:07 pm

1 stop8h 07m

$451

LondonLas Vegas

YXU - LAS

YXULAS

London

Sun 2/22

8:10 pm-8:16 pm

2 stops27h 06m

Las Vegas Harry Reid Intl

Mon 3/2

11:25 pm-6:35 am

2 stops28h 10m

$452

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/26

Showing 1-10 of 17 results
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 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 January 23, 2026.

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 $105). 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 fly from London, Ontario to Las Vegas in about 21h 35m. The time it takes to get you to your destination can typically vary by up to . Airlines will cover a distance of 1859 mi.

  • 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 $105). 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
North Las Vegas
Kingman
Winchester
Primm
Mesquite
Boulder City
Needles
Sunrise Manor

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.