Find flights
Deals
When to book
Airlines
FAQs

Cheap flights from London, ON to Ontario from C$ 172

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
30 Jan — 6 Feb1
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 31 December 2025.

Wed 31/129:25 a.m.YXU - YYZ
Nonstop0h 50mAir Canada
Sun 11/17:55 a.m.YYZ - YXU
Nonstop0h 51mAir Canada
Deal found 30/12C$ 1,233
Wed 31/128:10 p.m.YXU - YYZ
1 stop11h 00mMultiple Airlines
Sun 11/15:10 p.m.YYZ - YXU
1 stop13h 24mMultiple Airlines
Deal found 30/12C$ 1,379
Wed 31/129:25 a.m.YXU - YYZ
Nonstop0h 50mAir Canada
Sun 4/17:55 a.m.YYZ - YXU
Nonstop0h 51mAir Canada
Deal found 30/12C$ 1,384
Tue 30/125:10 a.m.YXU - YOW
1 stop3h 08mAir Canada
Thu 1/112:00 p.m.YOW - YXU
1 stop5h 05mAir Canada
Deal found 28/12C$ 1,521
Wed 31/128:10 p.m.YXU - YYZ
2 stops16h 13mMultiple Airlines
Sun 4/19:30 p.m.YYZ - YXU
1 stop33h 04mMultiple Airlines
Deal found 30/12C$ 1,540
Tue 30/123:41 p.m.YXU - YUL
Nonstop1h 32mAir Canada
Sat 3/13:10 p.m.YUL - YXU
1 stop6h 11mAir Canada
Deal found 29/12C$ 1,563
Tue 30/129:25 a.m.YXU - YUL
2 stops6h 15mAir Canada
Fri 2/14:00 p.m.YUL - YXU
2 stops5h 21mAir Canada
Deal found 29/12C$ 1,573
Wed 31/125:10 a.m.YXU - YOW
1 stop3h 08mAir Canada
Fri 2/15:00 a.m.YOW - YXU
1 stop3h 46mAir Canada
Deal found 29/12C$ 1,621
Wed 31/125:40 p.m.YXU - YUL
1 stop4h 13mAir Canada
Sun 4/18:10 p.m.YUL - YXU
1 stop12h 36mAir Canada
Deal found 29/12C$ 1,865
Wed 31/128:10 p.m.YXU - YUL
1 stop10h 55mMultiple Airlines
Sun 4/17:20 p.m.YUL - YXU
2 stops35h 14mMultiple Airlines
Deal found 29/12C$ 1,876
Mon 29/125:40 p.m.YXU - YQT
1 stop16h 25mAir Canada
Sun 4/18:30 p.m.YQT - YXU
1 stop12h 16mAir Canada
Deal found 28/12C$ 2,315
Tue 30/128:10 p.m.YXU - YOW
2 stops20h 41mMultiple Airlines
Thu 1/19:15 a.m.YOW - YXU
2 stops21h 19mMultiple Airlines
Deal found 28/12C$ 2,838

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 31 December 2025.

Round-trip from

C$ 366

One-way from

C$ 172

Popular in

March

Cheapest in

November

Average price

C$ 564

Good round-trip deal

C$ 622 or less

Good one-way deal

C$ 319 or less
26/1-2/2
  • 26/1-2/2
  • 2 total stops
  • 30h 25m total
  • London to Ontario
Search Deals
29/1
  • 29/1
  • 1 total stop
  • 17h 00m total
  • London to Ontario
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (C$ 132 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 31 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

Mon 26/1

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

1 stop17h 00m

Toronto Pearson Intl

Mon 2/2

5:10 p.m.-6:35 a.m.

1 stop13h 25m

C$ 366

LondonToronto

YXU - YYZ

YXUYYZ

London

Thu 22/1

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$ 381

LondonToronto

YXU - YYZ

YXUYYZ

London

Tue 27/1

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

1 stop10h 03m

Toronto Pearson Intl

Tue 3/2

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

1 stop12h 05m

C$ 390

LondonToronto

YXU - YYZ

YXUYYZ

London

Sun 25/1

8:10 p.m.-6:58 a.m.

1 stop10h 48m

Toronto Pearson Intl

Sun 1/2

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

1 stop12h 05m

C$ 404

LondonToronto

YXU - YYZ

YXUYYZ

London

Thu 22/1

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

Nonstop0h 57m

Toronto Pearson Intl

Mon 26/1

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

Nonstop0h 51m

C$ 428

LondonToronto

YXU - YYZ

YXUYYZ

London

Tue 27/1

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

Nonstop0h 50m

Toronto Pearson Intl

Tue 3/2

8:30 p.m.-9:20 p.m.

Nonstop0h 50m

C$ 428

LondonToronto

YXU - YYZ

YXUYYZ

London

Mon 26/1

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

Nonstop0h 49m

Toronto Pearson Intl

Mon 2/2

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

Nonstop0h 51m

C$ 430

LondonToronto

YXU - YYZ

YXUYYZ

London

Mon 26/1

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

1 stop10h 03m

Toronto Pearson Intl

Mon 2/2

5:20 p.m.-6:35 a.m.

2 stops13h 15m

C$ 446

LondonToronto

YXU - YYZ

YXUYYZ

London

Tue 27/1

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

1 stop11h 00m

Toronto Pearson Intl

Tue 3/2

9:45 a.m.-6:35 a.m.

2 stops20h 50m

C$ 460

LondonToronto

YXU - YYZ

YXUYYZ

London

Fri 13/2

5:10 a.m.-6:04 a.m.

Nonstop0h 54m

Toronto Pearson Intl

Fri 20/2

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

Nonstop0h 51m

C$ 464

Flights are sorted by cheapest round-trip flights first.

Deals found on 29/12

Showing 1-10 of 56 results
1
2
3
...
6

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 31 December 2025.

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.

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 31 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
3,228 reviews
Check prices

Comfort

7.0

Crew

7.9

Entertainment

6.1

Food

6.2

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
3,228 reviews
WestJet
7.2
Good
3,228 reviews
Check prices

Comfort

7.0

Crew

7.9

Entertainment

6.1

Food

6.2

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
10,571 reviews
WestJet
7.2
Good
3,228 reviews
Check prices

Comfort

7.0

Crew

7.9

Entertainment

6.1

Food

6.2

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 57m. 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 - 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: 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$ 234. While the most popular route (London - Montreal Pierre Elliott Trudeau Intl) can be booked for C$ 557 on average, our data indicates C$ 730 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

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.

Alternative routes for London to Ontario

See prices for flight routes from nearby airports that may be better suited for you.
Pearson Intl to Vancouver Intl flights
Pierre Elliott Trudeau Intl to Vancouver Intl flights
Toronto Island to Vancouver Intl flights
Hamilton to Vancouver Intl flights
Pearson Intl to Abbotsford flights
Pearson Intl to Calgary flights
Pierre Elliott Trudeau Intl to Calgary flights
Ottawa to Vancouver Intl flights
Pearson Intl to Pierre Elliott Trudeau Intl flights
Region of Waterloo Intl to Vancouver Intl flights
Toronto Island to Calgary flights
Hamilton to Calgary flights
Pearson Intl to Edmonton flights
Pierre Elliott Trudeau Intl to Pearson Intl flights
Toronto Island to Pierre Elliott Trudeau Intl flights
Pierre Elliott Trudeau Intl to Toronto Island flights
Pearson Intl to Kelowna flights
Pearson Intl to Halifax flights
Toronto Island to Halifax flights
Region of Waterloo Intl to Calgary flights
Pearson Intl to St. John's flights
Ottawa to Calgary flights
Pierre Elliott Trudeau Intl to Abbotsford flights
Pearson Intl to Ottawa flights
Region of Waterloo Intl to Abbotsford flights
Pearson Intl to Victoria flights
Pearson Intl to Québec City flights
Toronto Island to Ottawa flights
Toronto Island to Edmonton flights
Pierre Elliott Trudeau Intl to Halifax flights
Pearson Intl to Winnipeg flights
Hamilton to Edmonton flights
Hamilton to Halifax flights
Toronto Island to St. John's flights
Ottawa to Edmonton flights
Thunder Bay to Pearson Intl flights
Hamilton to Abbotsford flights
Toronto Island to Fredericton flights
Toronto Island to Québec City flights
Pierre Elliott Trudeau Intl to Kelowna flights
Pierre Elliott Trudeau Intl to Winnipeg flights
Region of Waterloo Intl to Halifax flights
Toronto Island to Thunder Bay flights
Pearson Intl to Thunder Bay flights
Pearson Intl to Yellowknife flights
Pierre Elliott Trudeau Intl to Edmonton flights
Thunder Bay to Toronto Island flights
Pearson Intl to Regina flights
Ottawa to Halifax flights
Pearson Intl to Moncton flights

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 31 December 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 447AverageC$ 885FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
WestJetCheapestC$ 483AverageC$ 603FlexibilityNo 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.

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.