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Cheap flights from London, ON to Ontario from C$ 173

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 15/1. Fares are subject to change and may not be available on all flights or dates of travel.
YXU — YYZ
22 Jan — 29 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 23 December 2025.

Sun 21/125:40 p.m.YXU - YYZ
Nonstop0h 49mAir Canada
Mon 22/128:30 p.m.YYZ - YXU
Nonstop0h 51mAir Canada
Deal found 20/12C$ 1,004
Mon 29/125:40 p.m.YXU - YOW
1 stop3h 38mAir Canada
Fri 2/15:00 a.m.YOW - YXU
1 stop3h 46mAir Canada
Deal found 21/12C$ 1,393
Fri 26/125:10 a.m.YXU - YOW
1 stop4h 13mAir Canada
Fri 2/16:05 p.m.YOW - YXU
1 stop3h 16mAir Canada
Deal found 21/12C$ 1,411
Mon 22/125:40 p.m.YXU - YYZ
Nonstop0h 49mAir Canada
Wed 24/128:30 p.m.YYZ - YXU
Nonstop0h 51mAir Canada
Deal found 22/12C$ 1,417
Sat 27/125:10 a.m.YXU - YUL
1 stop4h 12mAir Canada
Thu 1/14:10 p.m.YUL - YXU
1 stop5h 11mAir Canada
Deal found 21/12C$ 1,418
Fri 26/129:25 a.m.YXU - YUL
1 stop4h 57mAir Canada
Sun 4/110:30 p.m.YUL - YXU
1 stop10h 16mAir Canada
Deal found 22/12C$ 1,444
Tue 23/129:25 a.m.YXU - YUL
2 stops6h 15mAir Canada
Sun 28/124:00 p.m.YUL - YXU
2 stops5h 21mAir Canada
Deal found 21/12C$ 1,459
Fri 26/125:40 p.m.YXU - YOW
1 stop3h 38mAir Canada
Mon 29/126:05 p.m.YOW - YXU
1 stop3h 16mAir Canada
Deal found 22/12C$ 1,463
Sun 28/125:40 p.m.YXU - YYZ
2 stops14h 23mMultiple Airlines
Sun 4/19:30 p.m.YYZ - YXU
1 stop33h 04mMultiple Airlines
Deal found 21/12C$ 1,503
Fri 26/125:40 p.m.YXU - YOW
1 stop5h 28mAir Canada
Sun 28/122:05 p.m.YOW - YXU
1 stop3h 00mAir Canada
Deal found 22/12C$ 1,531
Fri 26/127:30 a.m.YXU - YOW
1 stop17h 10mMultiple Airlines
Mon 29/125:40 a.m.YOW - YXU
2 stops24h 54mMultiple Airlines
Deal found 22/12C$ 1,772
Fri 26/127:30 a.m.YXU - YOW
2 stops17h 12mWestJet
Sun 28/125:45 p.m.YOW - YXU
1 stop12h 49mWestJet
Deal found 22/12C$ 1,798

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 23 December 2025.

Round-trip from

C$ 412

One-way from

C$ 173

Popular in

March

Cheapest in

November

Average price

C$ 567

Good round-trip deal

C$ 611 or less

Good one-way deal

C$ 333 or less
18/1-25/1
  • 18/1-25/1
  • 2 total stops
  • 30h 24m total
  • London to Ontario
Search Deals
15/1
  • 15/1
  • 1 total stop
  • 17h 00m total
  • London to Ontario
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (C$ 133 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 32 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 23 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 18/1

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

1 stop17h 00m

Toronto Pearson Intl

Sun 25/1

5:10 p.m.-6:34 a.m.

1 stop13h 24m

C$ 412

LondonToronto

YXU - YYZ

YXUYYZ

London

Wed 21/1

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

1 stop11h 00m

Toronto Pearson Intl

Wed 28/1

5:00 p.m.-6:34 a.m.

1 stop13h 34m

C$ 435

LondonMontreal

YXU - YUL

YXUYUL

London

Fri 30/1

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

1 stop23h 35m

Montreal Pierre Elliott Trudeau Intl

Sun 1/2

7:30 p.m.-6:35 a.m.

1 stop11h 05m

C$ 447

LondonMontreal

YXU - YUL

YXUYUL

London

Tue 13/1

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$ 452

LondonMontreal

YXU - YUL

YXUYUL

London

Mon 12/1

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$ 463

LondonMontreal

YXU - YUL

YXUYUL

London

Mon 12/1

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

1 stop10h 55m

Montreal Pierre Elliott Trudeau Intl

Tue 13/1

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

1 stop11h 04m

C$ 463

LondonToronto

YXU - YYZ

YXUYYZ

London

Wed 21/1

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

Nonstop0h 49m

Toronto Pearson Intl

Wed 28/1

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

Nonstop0h 51m

C$ 498

LondonMontreal

YXU - YUL

YXUYUL

London

Mon 12/1

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

1 stop10h 55m

Montreal Pierre Elliott Trudeau Intl

Wed 14/1

6:45 a.m.-6:34 a.m.

2 stops23h 49m

C$ 515

LondonToronto

YXU - YYZ

YXUYYZ

London

Wed 21/1

8:10 p.m.-6:13 a.m.

1 stop10h 03m

Toronto Pearson Intl

Thu 22/1

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

1 stop12h 04m

C$ 522

LondonOttawa

YXU - YOW

YXUYOW

London

Wed 4/2

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

1 stop18h 12m

Ottawa

Wed 11/2

5:40 a.m.-6:35 a.m.

2 stops24h 55m

C$ 527

Flights are sorted by cheapest round-trip flights first.

Deals found on 20/12

Showing 1-10 of 47 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$ 92). Flying from London, Ontario to Region of Ontario in March is currently the most expensive (average of C$ 162). 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 23 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 23 December 2025.

The most flights from YXU to CAON are scheduled on a Friday (21 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (6 on average).

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 23 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
3,214 reviews
Check prices

Entertainment

6.1

Overall

7.2

Boarding

7.4

Food

6.2

Crew

7.9

Comfort

7.0

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
3,214 reviews
WestJet
7.2
Good
3,214 reviews
Check prices

Entertainment

6.1

Overall

7.2

Boarding

7.4

Food

6.2

Crew

7.9

Comfort

7.0

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
10,551 reviews
WestJet
7.2
Good
3,214 reviews
Check prices

Entertainment

6.1

Overall

7.2

Boarding

7.4

Food

6.2

Crew

7.9

Comfort

7.0

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 - Montreal Pierre Elliott Trudeau Intl, London - Ottawa or London - Toronto Pearson 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 (75%), Emirates (71%), United Airlines (67%).

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

    Looking at all options, your cheapest flight can be booked for C$ 271. While the most popular route (London - Montreal Pierre Elliott Trudeau Intl) can be booked for C$ 504 on average, our data indicates C$ 729 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$ 92). Flying from London, Ontario to Region of Ontario in March is currently the most expensive (average of C$ 162). 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

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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 23 December 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 450AverageC$ 886FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
WestJetCheapestC$ 486AverageC$ 606FlexibilityNo 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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