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Cheap flights from London, ON to Ontario from C$ 143

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 29/1. Fares are subject to change and may not be available on all flights or dates of travel.
YXU — YYZ
5 Feb — 12 Feb1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from London to Ontario

Keep the following information in mind while searching for London to Ontario flight deals. Data was last updated 6 January 2026.

Round-trip from

C$ 326

One-way from

C$ 145

Popular in

January

Cheapest in

November

Average price

C$ 1,045

Good round-trip deal

C$ 616 or less

Good one-way deal

C$ 320 or less
2/2-9/2
  • 2/2-9/2
  • 2 total stops
  • 44h 05m total
  • London to Ontario
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WestJet
  • WestJet
  • 25/1
  • 1 total stop
  • 10h 55m total
  • London to Ontario
Search Deals
Highest demand for flights based on searches. 3% potential increase in price (C$ 36 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (C$ 48 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
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Price to beat on a round-trip flight from London to Ontario.
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Price to beat on a one-way flight from London to Ontario.
Search Deals

Find 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 6 January 2026.

Mon 2/28:10 p.m.YXU - YYZ
1 stop11h 00mMultiple Airlines
Mon 9/29:30 p.m.YYZ - YXU
1 stop33h 05mMultiple Airlines
Deal found 5/1C$ 326
Sun 1/28:10 p.m.YXU - YYZ
1 stop10h 03mWestJet
Sun 8/26:30 p.m.YYZ - YXU
1 stop12h 05mWestJet
Deal found 4/1C$ 366
Sun 1/28:10 p.m.YXU - YYZ
1 stop10h 03mMultiple Airlines
Sun 8/28:00 p.m.YYZ - YXU
2 stops34h 35mMultiple Airlines
Deal found 4/1C$ 402
Thu 5/28:10 p.m.YXU - YUL
1 stop10h 55mWestJet
Sun 8/26:45 a.m.YUL - YXU
2 stops23h 50mWestJet
Deal found 4/1C$ 412
Fri 30/15:10 a.m.YXU - YYZ
Nonstop0h 57mAir Canada
Fri 6/27:55 a.m.YYZ - YXU
Nonstop0h 51mAir Canada
Deal found 5/1C$ 434
Wed 21/18:10 p.m.YXU - YYZ
1 stop11h 00mMultiple Airlines
Mon 26/12:10 p.m.YYZ - YXU
1 stop16h 24mMultiple Airlines
Deal found 5/1C$ 445
Sun 1/28:10 p.m.YXU - YUL
1 stop10h 55mWestJet
Sun 8/26:45 a.m.YUL - YXU
2 stops23h 50mWestJet
Deal found 4/1C$ 452
Wed 21/15:40 p.m.YXU - YYZ
Nonstop0h 49mAir Canada
Mon 26/14:15 p.m.YYZ - YXU
Nonstop0h 50mAir Canada
Deal found 5/1C$ 453
Mon 2/28:10 p.m.YXU - YOW
2 stops28h 29mWestJet
Mon 9/25:45 p.m.YOW - YXU
1 stop12h 50mWestJet
Deal found 5/1C$ 465
Tue 3/28:10 p.m.YXU - YOW
1 stop20h 43mMultiple Airlines
Thu 5/26:55 p.m.YOW - YXU
1 stop11h 40mMultiple Airlines
Deal found 5/1C$ 512
Sun 1/28:10 p.m.YXU - YUL
1 stop17h 20mMultiple Airlines
Sun 8/26:10 p.m.YUL - YXU
1 stop12h 25mMultiple Airlines
Deal found 4/1C$ 548
Thu 16/49:25 a.m.YXU - YUL
2 stops6h 14mAir Canada
Sun 19/41:10 p.m.YUL - YXU
1 stop3h 53mAir Canada
Deal found 6/1C$ 551

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 6 January 2026.
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 1/2

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

1 stop10h 03m

Toronto Pearson Intl

Sun 8/2

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

1 stop12h 05m

C$ 366

LondonToronto

YXU - YYZ

YXUYYZ

London

Mon 2/2

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

1 stop11h 00m

Toronto Pearson Intl

Mon 9/2

2:25 p.m.-6:35 a.m.

2 stops16h 10m

C$ 372

LondonToronto

YXU - YYZ

YXUYYZ

London

Sun 1/2

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

1 stop10h 03m

Toronto Pearson Intl

Sun 8/2

8:00 p.m.-6:35 a.m.

2 stops34h 35m

C$ 402

LondonMontreal

YXU - YUL

YXUYUL

London

Thu 5/2

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

1 stop10h 55m

Montreal Pierre Elliott Trudeau Intl

Sun 8/2

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

2 stops23h 50m

C$ 412

LondonToronto

YXU - YYZ

YXUYYZ

London

Mon 2/2

9:50 a.m.-10:40 a.m.

Nonstop0h 50m

Toronto Pearson Intl

Mon 9/2

7:55 a.m.-8:46 a.m.

Nonstop0h 51m

C$ 432

LondonToronto

YXU - YYZ

YXUYYZ

London

Fri 30/1

5:10 a.m.-6:07 a.m.

Nonstop0h 57m

Toronto Pearson Intl

Fri 6/2

7:55 a.m.-8:46 a.m.

Nonstop0h 51m

C$ 434

LondonToronto

YXU - YYZ

YXUYYZ

London

Wed 21/1

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

1 stop11h 00m

Toronto Pearson Intl

Mon 26/1

2:10 p.m.-6:34 a.m.

1 stop16h 24m

C$ 445

LondonToronto

YXU - YYZ

YXUYYZ

London

Thu 22/1

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$ 452

LondonToronto

YXU - YYZ

YXUYYZ

London

Wed 21/1

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

Nonstop0h 49m

Toronto Pearson Intl

Mon 26/1

4:15 p.m.-5:05 p.m.

Nonstop0h 50m

C$ 453

LondonToronto

YXU - YYZ

YXUYYZ

London

Thu 22/1

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

1 stop17h 00m

Toronto Pearson Intl

Thu 29/1

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

2 stops16h 09m

C$ 476

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/1

Showing 1-10 of 50 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 6 January 2026.

It’s typically best to fly out from London, Ontario to Region of Ontario at noon. Doing so could potentially save you 28% on the flight price compared to flying in the evening, 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 6 January 2026.

The most flights from YXU to CAON are scheduled on a Monday (12 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (9 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 6 January 2026.
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
3,234 reviews
Check prices

Boarding

7.4

Overall

7.2

Crew

7.9

Comfort

7.0

Entertainment

6.1

Food

6.2

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
3,234 reviews
WestJet
7.2
Good
3,234 reviews
Check prices

Boarding

7.4

Overall

7.2

Crew

7.9

Comfort

7.0

Entertainment

6.1

Food

6.2

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
10,597 reviews
WestJet
7.2
Good
3,234 reviews
Check prices

Boarding

7.4

Overall

7.2

Crew

7.9

Comfort

7.0

Entertainment

6.1

Food

6.2

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 50m. 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 - Montreal Pierre Elliott Trudeau Intl 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 (64%), Emirates (59%), Air Canada (57%).

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

    Looking at all options, your cheapest flight can be booked for C$ 235. While the most popular route (London - Ottawa) can be booked for C$ 493 on average, our data indicates C$ 741 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 6 January 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 450AverageC$ 886FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
WestJetCheapestC$ 485AverageC$ 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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