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Cheap flights from London, ON to Ontario from C$ 163

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 13/1. Fares are subject to change and may not be available on all flights or dates of travel.
YXU — YYZ
7 Jan — 14 Jan1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from London to Ontario

Enter your travel dates to find the best prices.

Cheapest flights from London to Ontario
Explore the most affordable flight options available from London to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 8 December 2025.

Fri 26/125:40 p.m.YXU - YYZ
Nonstop0h 49mAir Canada
Sun 18/18:30 p.m.YYZ - YXU
Nonstop0h 50mAir Canada
Deal found 5/12C$ 550
Mon 29/129:25 a.m.YXU - YUL
2 stops6h 15mAir Canada
Thu 1/14:00 p.m.YUL - YXU
2 stops5h 21mAir Canada
Deal found 5/12C$ 807
Sun 7/125:40 p.m.YXU - YYZ
1 stop21h 35mMultiple Airlines
Mon 12/16:30 p.m.YYZ - YXU
1 stop12h 04mMultiple Airlines
Deal found 6/12C$ 829
Sat 27/125:40 p.m.YXU - YUL
1 stop5h 42mAir Canada
Thu 1/14:10 p.m.YUL - YXU
1 stop5h 11mAir Canada
Deal found 6/12C$ 859
Tue 30/125:10 a.m.YXU - YUL
1 stop4h 12mAir Canada
Fri 2/110:00 p.m.YUL - YXU
1 stop10h 46mAir Canada
Deal found 7/12C$ 939
Fri 26/127:30 a.m.YXU - YYZ
1 stop11h 05mMultiple Airlines
Sun 18/12:10 p.m.YYZ - YXU
1 stop16h 24mMultiple Airlines
Deal found 5/12C$ 945
Sun 7/129:25 a.m.YXU - YYZ
Nonstop0h 50mAir Canada
Mon 12/14:15 p.m.YYZ - YXU
Nonstop0h 50mAir Canada
Deal found 6/12C$ 984
Fri 12/125:10 a.m.YXU - YYZ
Nonstop0h 57mAir Canada
Fri 19/128:30 p.m.YYZ - YXU
Nonstop0h 51mAir Canada
Deal found 5/12C$ 1,024
Wed 24/125:10 a.m.YXU - YUL
1 stop4h 12mAir Canada
Sat 27/124:00 p.m.YUL - YXU
2 stops5h 21mAir Canada
Deal found 7/12C$ 1,086
Tue 16/125:40 p.m.YXU - YOW
1 stop3h 38mAir Canada
Sat 20/126:05 p.m.YOW - YXU
1 stop3h 16mAir Canada
Deal found 5/12C$ 1,086
Wed 17/125:10 a.m.YXU - YOW
1 stop4h 13mAir Canada
Mon 22/122:05 p.m.YOW - YXU
1 stop3h 00mAir Canada
Deal found 7/12C$ 1,097
Wed 17/129:25 a.m.YXU - YOW
1 stop3h 53mAir Canada
Sat 20/124:15 p.m.YOW - YXU
1 stop5h 06mAir Canada
Deal found 7/12C$ 1,140

Find flight deals from London to Ontario

Keep the following information in mind while searching for London to Ontario flight deals. Data was last updated 8 December 2025.

Round-trip from

C$ 369

One-way from

C$ 163

Popular in

March

Cheapest in

November

Average price

C$ 569

Good round-trip deal

C$ 614 or less

Good one-way deal

C$ 321 or less
WestJet
  • WestJet
  • 25/1-29/1
  • 2 total stops
  • 33h 22m total
  • London to Ontario
Search Deals
13/1
  • 13/1
  • 1 total stop
  • 11h 00m total
  • London to Ontario
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (C$ 134 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 31 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals
Price to beat on a round-trip flight from London to Ontario.
Search Deals
Price to beat on a one-way flight from London to Ontario.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from London to Ontario 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 629,999 searches. Data last updated 8 December 2025.
Use the filters below to find and compare flights from London to Ontario that are best for you.

Fly from

London

Fly to

Ontario

Route

Depart

Return

Price

LondonToronto

YXU - YYZ

YXUYYZ

London

Sun 25/1

8:10 p.m.-5:28 p.m.

1 stop21h 18m

Toronto Pearson Intl

Thu 29/1

6:30 p.m.-6:34 a.m.

1 stop12h 04m

C$ 369

LondonToronto

YXU - YYZ

YXUYYZ

London

Sun 25/1

8:10 p.m.-7:10 a.m.

1 stop11h 00m

Toronto Pearson Intl

Thu 29/1

2:25 p.m.-6:34 a.m.

2 stops16h 09m

C$ 399

LondonMontreal

YXU - YUL

YXUYUL

London

Fri 23/1

7:30 a.m.-7:05 a.m.

1 stop23h 35m

Montreal Pierre Elliott Trudeau Intl

Mon 26/1

7:30 p.m.-6:34 a.m.

1 stop11h 04m

C$ 419

LondonMontreal

YXU - YUL

YXUYUL

London

Fri 16/1

7:30 a.m.-7:05 a.m.

1 stop23h 35m

Montreal Pierre Elliott Trudeau Intl

Mon 19/1

7:30 p.m.-6:34 a.m.

1 stop11h 04m

C$ 460

LondonToronto

YXU - YYZ

YXUYYZ

London

Mon 19/1

8:10 p.m.-1:10 p.m.

1 stop17h 00m

Toronto Pearson Intl

Wed 25/2

3:40 p.m.-6:35 a.m.

2 stops14h 55m

C$ 463

LondonToronto

YXU - YYZ

YXUYYZ

London

Sun 25/1

5:40 p.m.-6:29 p.m.

Nonstop0h 49m

Toronto Pearson Intl

Thu 29/1

8:30 p.m.-9:21 p.m.

Nonstop0h 51m

C$ 485

LondonMontreal

YXU - YUL

YXUYUL

London

Fri 16/1

7:30 a.m.-12:43 a.m.

2 stops17h 13m

Montreal Pierre Elliott Trudeau Intl

Sun 18/1

7:30 p.m.-6:34 a.m.

1 stop11h 04m

C$ 488

LondonMontreal

YXU - YUL

YXUYUL

London

Fri 23/1

7:30 a.m.-7:05 a.m.

1 stop23h 35m

Montreal Pierre Elliott Trudeau Intl

Mon 26/1

10:15 a.m.-6:34 a.m.

2 stops20h 19m

C$ 490

LondonMontreal

YXU - YUL

YXUYUL

London

Thu 15/1

8:10 p.m.-7:05 a.m.

1 stop10h 55m

Montreal Pierre Elliott Trudeau Intl

Sun 18/1

7:30 p.m.-6:34 a.m.

1 stop11h 04m

C$ 500

LondonOttawa

YXU - YOW

YXUYOW

London

Wed 28/1

8:10 p.m.-2:22 p.m.

1 stop18h 12m

Ottawa

Wed 4/2

5:45 p.m.-6:35 a.m.

1 stop12h 50m

C$ 501

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/12

Showing 1-10 of 56 results
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Best time to book a flight from London to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario 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 Ontario

What is the cheapest month to book a flight from London, Ontario to Region of Ontario?

Currently, October is the cheapest month in which you can book a flight from London, Ontario to Region of Ontario (average of C$ 93). Flying from London, Ontario to Region of Ontario in January is currently the most expensive (average of C$ 163). 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.

What is the cheapest time of day to fly from YXU to ON?

Find hourly flight availability from London to Ontario. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 8 December 2025.

It’s typically best to fly out from London, Ontario to Region of Ontario in the evening. Doing so could potentially save you 25% on the flight price compared to flying at noon, which is usually more expensive.

Weekly flight availability from London, Ontario to Region of Ontario

Explore weekly flight availability from London to Ontario. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 8 December 2025.

The most flights from YXU to CAON are scheduled on a Monday (12 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (10 on average).

How much does it cost to fly round-trip from London, Ontario to Region of Ontario?

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ontario. Reviews last updated 8 December 2025.
See what other customers who have flown with WestJet and Air Canada from London to Ontario have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
WestJet
7.2
Good
3,193 reviews
Check prices

Entertainment

6.1

Food

6.2

Comfort

7.1

Crew

7.9

Overall

7.2

Boarding

7.4

Reviews

1 / 20
6.0
Good

Deb,Jan 2025

YYZ - YYC

Boarding went smoothly, you didn't accept debit card for food on flight
WestJet
7.2
Good
3,193 reviews
WestJet
7.2
Good
3,193 reviews
Check prices

Entertainment

6.1

Food

6.2

Comfort

7.1

Crew

7.9

Overall

7.2

Boarding

7.4

Reviews

1 / 20
6.0
Good

Deb,Jan 2025

YYZ - YYC

Boarding went smoothly, you didn't accept debit card for food on flight
Air Canada
7.1
Good
10,512 reviews
WestJet
7.2
Good
3,193 reviews
Check prices

Entertainment

6.1

Food

6.2

Comfort

7.1

Crew

7.9

Overall

7.2

Boarding

7.4

Reviews

1 / 20
6.0
Good

Deb,Jan 2025

YYZ - YYC

Boarding went smoothly, you didn't accept debit card for food on flight

Related info for your journey

Find useful and relevant information for your journey from London to Ontario. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from London to Ontario?

    For a flight from London to Ontario, you will be flying from London. London (YXU) is just 8.6 km from the centre of the city.

  • How long is the flight from London, Ontario to Region of Ontario?

    There are many flights that can get you from London, Ontario to Region of Ontario in 49m. Fly via WestJet or Air Canada to get the fastest option. London, Ontario and Region of Ontario are separated by a distance of 143 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • What are the most popular routes from London, Ontario to Region of Ontario?

    When deciding which route to take from London, Ontario to Region of Ontario consider London - Ottawa, London - Toronto Pearson Intl or London - Montreal Pierre Elliott Trudeau Intl as they are the most popular.

  • What are the most reliable airlines from London, Ontario to Region of Ontario?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from London, Ontario to Region of Ontario on time: Avianca (78%), Emirates (75%), Air Canada (69%).

  • What are the cheapest flights from London, Ontario to Region of Ontario?

    Looking at all options, your cheapest flight can be booked for C$ 192. While the most popular route (London - Ottawa) can be booked for C$ 518 on average, our data indicates C$ 695 when flying from London, Ontario to Region of Ontario.

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

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

  • How can I find direct flights from London to Ontario?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from London to Ontario.

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

    Yes. Cheapflights offers flight deals from London to Ontario 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 Region of Ontario?

    Currently, October is the cheapest month in which you can book a flight from London, Ontario to Region of Ontario (average of C$ 93). Flying from London, Ontario to Region of Ontario in January is currently the most expensive (average of C$ 163). 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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for London to Ontario

See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from London to Ontario

Discover the top 2 airlines that operate flights from London to Ontario. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 8 December 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 451AverageC$ 897FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
WestJetCheapestC$ 487AverageC$ 608FlexibilityNo cancel feeOn-time60%
Search WestJet flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from London to Ontario?

Cheapflights helps you search for flights from London to Ontario via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from London to Ontario?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from London to Ontario for you. Better yet — we are completely free to use.

Can Cheapflights find flights from London to Ontario with no change fees?

Need flexible booking options for your flight to Ontario from London? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from London to Ontario become cheaper?

Of course! You can now track prices for flights from London to Ontario and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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