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Cheap flights from London, ON to Ontario from C$ 155

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 27/10. Fares are subject to change and may not be available on all flights or dates of travel.
YXU — YYZ
17 Oct — 24 Oct1
1 adult
1 adult, Economy

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 17 September 2025.

Round-trip from

C$ 366

One-way from

C$ 155

Popular in

March

Cheapest in

May

Average price

C$ 758

Good round-trip deal

C$ 596 or less

Good one-way deal

C$ 336 or less
WestJet
  • WestJet
  • 15/10-22/10
  • 2 total stops
  • 21h 19m total
  • London to Ontario
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WestJet
  • WestJet
  • 27/10
  • 1 total stop
  • 10h 03m total
  • London to Ontario
Search Deals
Highest demand for flights based on searches. 1% potential increase in price (C$ 10 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease (C$ 20 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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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.
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Find flight deals from London to Ontario

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 17 September 2025.

Wed 15/108:00 p.m.YXU - YYZ
1 stop10h 12mWestJet
Wed 22/108:00 a.m.YYZ - YXU
1 stop11h 07mWestJet
Deal found 15/9C$ 366
Wed 22/108:00 p.m.YXU - YYZ
1 stop10h 12mWestJet
Sun 26/1010:15 p.m.YYZ - YXU
1 stop20h 57mWestJet
Deal found 16/9C$ 369
Fri 24/106:00 a.m.YXU - YYZ
1 stop11h 22mWestJet
Sat 25/108:00 a.m.YYZ - YXU
1 stop11h 07mWestJet
Deal found 16/9C$ 374
Fri 17/108:00 p.m.YXU - YYZ
1 stop10h 52mWestJet
Mon 20/1010:25 p.m.YYZ - YXU
1 stop30h 47mWestJet
Deal found 15/9C$ 402
Wed 12/118:10 p.m.YXU - YYZ
1 stop17h 00mMultiple Airlines
Sun 16/115:10 p.m.YYZ - YXU
1 stop26h 02mMultiple Airlines
Deal found 16/9C$ 411
Tue 18/118:10 p.m.YXU - YOW
1 stop20h 43mMultiple Airlines
Wed 19/116:55 p.m.YOW - YXU
1 stop24h 17mMultiple Airlines
Deal found 16/9C$ 425
Sun 16/118:10 p.m.YXU - YOW
1 stop28h 30mWestJet
Tue 18/115:45 p.m.YOW - YXU
1 stop25h 27mWestJet
Deal found 16/9C$ 426
Thu 30/108:10 p.m.YXU - YYZ
1 stop10h 03mWestJet
Wed 5/117:45 a.m.YYZ - YXU
1 stop11h 27mWestJet
Deal found 15/9C$ 426
Wed 15/106:00 a.m.YXU - YYZ
2 stops13h 40mMultiple Airlines
Wed 22/102:55 p.m.YYZ - YXU
1 stop14h 17mMultiple Airlines
Deal found 15/9C$ 442
Fri 17/108:00 p.m.YXU - YYZ
1 stop10h 52mMultiple Airlines
Mon 20/109:00 p.m.YYZ - YXU
2 stops32h 12mMultiple Airlines
Deal found 15/9C$ 443
Thu 30/109:25 a.m.YXU - YYZ
Nonstop0h 50mAir Canada
Wed 5/117:55 a.m.YYZ - YXU
Nonstop0h 51mAir Canada
Deal found 15/9C$ 446
Wed 22/108:00 p.m.YXU - YYZ
1 stop10h 52mMultiple Airlines
Sun 26/109:55 p.m.YYZ - YXU
3 stops21h 17mMultiple Airlines
Deal found 16/9C$ 458

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 17 September 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

Wed 15/10

8:00 p.m.-6:12 a.m.

1 stop10h 12m

Toronto Pearson Intl

Wed 22/10

8:00 a.m.-7:07 p.m.

1 stop11h 07m

C$ 366

LondonToronto

YXU - YYZ

YXUYYZ

London

Fri 24/10

6:00 a.m.-5:22 p.m.

1 stop11h 22m

Toronto Pearson Intl

Sat 25/10

8:00 a.m.-7:07 p.m.

1 stop11h 07m

C$ 374

LondonToronto

YXU - YYZ

YXUYYZ

London

Fri 17/10

8:00 p.m.-6:52 a.m.

1 stop10h 52m

Toronto Pearson Intl

Mon 20/10

10:25 p.m.-5:12 a.m.

1 stop30h 47m

C$ 402

LondonToronto

YXU - YYZ

YXUYYZ

London

Wed 12/11

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

1 stop17h 00m

Toronto Pearson Intl

Sun 16/11

5:10 p.m.-7:12 p.m.

1 stop26h 02m

C$ 411

LondonToronto

YXU - YYZ

YXUYYZ

London

Wed 22/10

8:00 p.m.-6:12 a.m.

1 stop10h 12m

Toronto Pearson Intl

Sun 26/10

10:15 p.m.-7:12 p.m.

1 stop20h 57m

C$ 417

LondonOttawa

YXU - YOW

YXUYOW

London

Tue 18/11

8:10 p.m.-4:53 p.m.

1 stop20h 43m

Ottawa

Wed 19/11

6:55 p.m.-7:12 p.m.

1 stop24h 17m

C$ 425

LondonToronto

YXU - YYZ

YXUYYZ

London

Fri 17/10

8:00 p.m.-6:52 a.m.

1 stop10h 52m

Toronto Pearson Intl

Mon 20/10

9:00 p.m.-5:12 a.m.

2 stops32h 12m

C$ 443

LondonToronto

YXU - YYZ

YXUYYZ

London

Thu 30/10

9:25 a.m.-10:15 a.m.

Nonstop0h 50m

Toronto Pearson Intl

Wed 5/11

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

Nonstop0h 51m

C$ 446

LondonToronto

YXU - YYZ

YXUYYZ

London

Wed 22/10

8:00 p.m.-6:52 a.m.

1 stop10h 52m

Toronto Pearson Intl

Sun 26/10

9:55 p.m.-7:12 p.m.

3 stops21h 17m

C$ 458

LondonToronto

YXU - YYZ

YXUYYZ

London

Fri 17/10

6:15 a.m.-7:02 a.m.

Nonstop0h 47m

Toronto Pearson Intl

Mon 20/10

8:40 p.m.-9:27 p.m.

Nonstop0h 47m

C$ 465

Flights are sorted by cheapest round-trip flights first.

Deals found on 16/9

Showing 1-10 of 60 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, January is the cheapest month in which you can book a flight from London, Ontario to Region of Ontario (average of C$ 169). Flying from London, Ontario to Region of Ontario in July is currently the most expensive (average of C$ 258). 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 17 September 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from London, Ontario to Region of Ontario as you normally would.

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 17 September 2025.

The most flights from YXU to CAON are scheduled on a Monday (12 on average). You will have fewer flight options on Saturday, 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 17 September 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
3,095 reviews
Check prices

Entertainment

6.1

Food

6.2

Comfort

7.1

Overall

7.2

Boarding

7.4

Crew

7.9

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
3,095 reviews
WestJet
7.2
Good
3,095 reviews
Check prices

Entertainment

6.1

Food

6.2

Comfort

7.1

Overall

7.2

Boarding

7.4

Crew

7.9

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
10,000 reviews
WestJet
7.2
Good
3,095 reviews
Check prices

Entertainment

6.1

Food

6.2

Comfort

7.1

Overall

7.2

Boarding

7.4

Crew

7.9

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 10h 12m. Fly via WestJet to get the fastest option. London, Ontario and Region of Ontario are separated by a distance of 143 km.

  • 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 - Toronto Pearson Intl or London - Ottawa 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: Emirates (77%), Lufthansa (68%), Air Canada (63%).

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

    Looking at all options, your cheapest flight can be booked for C$ 198. While the most popular route (London - Montreal Pierre Elliott Trudeau Intl) can be booked for C$ 512 on average, our data indicates C$ 706 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, January is the cheapest month in which you can book a flight from London, Ontario to Region of Ontario (average of C$ 169). Flying from London, Ontario to Region of Ontario in July is currently the most expensive (average of C$ 258). 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 17 September 2025.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 393AverageC$ 557FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Air CanadaCheapestC$ 403AverageC$ 899FlexibilityNo cancel feeOn-time67%
Search Air Canada 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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