Find flights
Deals
When to book
Airlines
FAQs

Cheap flights from London, ON to Ontario from C$ 165

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 24/2. Fares are subject to change and may not be available on all flights or dates of travel.
YXU — YYZ
11 Feb — 18 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 12 January 2026.

Round-trip from

C$ 409

One-way from

C$ 165

Popular in

January

Cheapest in

November

Average price

C$ 1,054

Good round-trip deal

C$ 640 or less

Good one-way deal

C$ 324 or less
WestJet
  • WestJet
  • 8/2-15/2
  • 3 total stops
  • 33h 35m total
  • London to Ontario
Search Deals
24/2
  • 24/2
  • 1 total stop
  • 11h 00m total
  • London to Ontario
Search Deals
Highest demand for flights based on searches. 3% potential increase in price (C$ 37 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
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

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 12 January 2026.

Tue 14/48:00 a.m.
YXU
-
YYZ
1 stop9h 28m
WestJet
Thu 7/58:00 a.m.
YYZ
-
YXU
1 stop11h 07m
WestJet
Deal found 12/1C$ 344
Sun 8/28:10 p.m.
YXU
-
YYZ
1 stop11h 00m
Multiple Airlines
Sun 15/28:00 a.m.
YYZ
-
YXU
2 stops22h 35m
Multiple Airlines
Deal found 11/1C$ 409
Mon 9/28:10 p.m.
YXU
-
YUL
1 stop10h 55m
WestJet
Mon 16/27:30 p.m.
YUL
-
YXU
1 stop11h 05m
WestJet
Deal found 10/1C$ 415
Sun 8/28:10 p.m.
YXU
-
YYZ
1 stop10h 50m
WestJet
Sun 15/28:00 a.m.
YYZ
-
YXU
2 stops22h 35m
WestJet
Deal found 11/1C$ 415
Thu 5/28:10 p.m.
YXU
-
YUL
1 stop17h 20m
Multiple Airlines
Wed 11/210:15 a.m.
YUL
-
YXU
2 stops20h 20m
Multiple Airlines
Deal found 10/1C$ 422
Sun 8/25:10 a.m.
YXU
-
YYZ
Nonstop0h 55m
Air Canada
Sun 15/24:15 p.m.
YYZ
-
YXU
Nonstop0h 50m
Air Canada
Deal found 11/1C$ 432
Tue 3/28:10 p.m.
YXU
-
YUL
1 stop17h 20m
Multiple Airlines
Sat 7/26:10 p.m.
YUL
-
YXU
1 stop25h 03m
Multiple Airlines
Deal found 10/1C$ 444
Sun 22/25:10 a.m.
YXU
-
YYZ
Nonstop0h 55m
Air Canada
Mon 30/37:55 a.m.
YYZ
-
YXU
Nonstop0h 48m
Air Canada
Deal found 12/1C$ 448
Mon 9/38:10 p.m.
YXU
-
YUL
1 stop10h 55m
WestJet
Wed 11/37:30 p.m.
YUL
-
YXU
1 stop11h 05m
WestJet
Deal found 10/1C$ 459
Mon 9/28:10 p.m.
YXU
-
YUL
1 stop10h 55m
Multiple Airlines
Mon 16/26:45 a.m.
YUL
-
YXU
2 stops23h 50m
Multiple Airlines
Deal found 10/1C$ 464
Tue 24/28:10 p.m.
YXU
-
YUL
1 stop10h 55m
WestJet
Tue 3/37:30 p.m.
YUL
-
YXU
1 stop11h 05m
WestJet
Deal found 10/1C$ 466
Sun 22/28:10 p.m.
YXU
-
YYZ
1 stop11h 00m
Multiple Airlines
Mon 30/39:40 a.m.
YYZ
-
YXU
2 stops20h 55m
Multiple Airlines
Deal found 12/1C$ 466

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 12 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

Tue 14/4

8:00 a.m.-5:28 p.m.

1 stop9h 28m

Toronto Pearson Intl

Thu 7/5

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

1 stop11h 07m

C$ 344

LondonToronto

YXU - YYZ

YXUYYZ

London

Sun 8/2

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

1 stop11h 00m

Toronto Pearson Intl

Sun 15/2

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

2 stops22h 35m

C$ 409

LondonMontreal

YXU - YUL

YXUYUL

London

Mon 9/2

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

1 stop10h 55m

Montreal Pierre Elliott Trudeau Intl

Mon 16/2

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

1 stop11h 05m

C$ 415

LondonToronto

YXU - YYZ

YXUYYZ

London

Sun 8/2

8:10 p.m.-7:00 a.m.

1 stop10h 50m

Toronto Pearson Intl

Sun 15/2

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

2 stops22h 35m

C$ 415

LondonMontreal

YXU - YUL

YXUYUL

London

Thu 5/2

8:10 p.m.-1:30 p.m.

1 stop17h 20m

Montreal Pierre Elliott Trudeau Intl

Wed 11/2

10:15 a.m.-6:35 a.m.

2 stops20h 20m

C$ 422

LondonToronto

YXU - YYZ

YXUYYZ

London

Sun 8/2

5:10 a.m.-6:05 a.m.

Nonstop0h 55m

Toronto Pearson Intl

Sun 15/2

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

Nonstop0h 50m

C$ 432

LondonMontreal

YXU - YUL

YXUYUL

London

Tue 3/2

8:10 p.m.-1:30 p.m.

1 stop17h 20m

Montreal Pierre Elliott Trudeau Intl

Sat 7/2

6:10 p.m.-7:13 p.m.

1 stop25h 03m

C$ 444

LondonToronto

YXU - YYZ

YXUYYZ

London

Sun 22/2

5:10 a.m.-6:05 a.m.

Nonstop0h 55m

Toronto Pearson Intl

Mon 30/3

7:55 a.m.-8:43 a.m.

Nonstop0h 48m

C$ 448

LondonMontreal

YXU - YUL

YXUYUL

London

Mon 23/2

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

1 stop10h 55m

Montreal Pierre Elliott Trudeau Intl

Mon 2/3

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

1 stop11h 05m

C$ 459

LondonMontreal

YXU - YUL

YXUYUL

London

Mon 9/2

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

1 stop10h 55m

Montreal Pierre Elliott Trudeau Intl

Mon 16/2

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

2 stops23h 50m

C$ 464

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/1

Showing 1-10 of 60 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$ 93). Flying from London, Ontario to Region of Ontario in March is currently the most expensive (average of C$ 164). 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 12 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 12 January 2026.

The most flights from YXU to CAON are scheduled on a Monday (12 on average). You will have fewer flight options on Tuesday, 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 12 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
3,237 reviews
Check prices

Food

6.2

Crew

7.9

Entertainment

6.1

Comfort

7.0

Boarding

7.4

Overall

7.2

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
3,237 reviews
WestJet
7.2
Good
3,237 reviews
Check prices

Food

6.2

Crew

7.9

Entertainment

6.1

Comfort

7.0

Boarding

7.4

Overall

7.2

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
10,618 reviews
WestJet
7.2
Good
3,237 reviews
Check prices

Food

6.2

Crew

7.9

Entertainment

6.1

Comfort

7.0

Boarding

7.4

Overall

7.2

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 3h 53m. Fly via WestJet or Air Canada to get the fastest option. London, Ontario and Region of Ontario are separated by a distance of 505 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 (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$ 194. While the most popular route (London - Montreal Pierre Elliott Trudeau Intl) can be booked for C$ 422 on average, our data indicates C$ 662 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 March is currently the most expensive (average of C$ 164). 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
Pearson Intl to Abbotsford flights
Hamilton to Vancouver Intl flights
Pearson Intl to Calgary flights
Toronto Island to Vancouver Intl flights
Pierre Elliott Trudeau Intl to Calgary flights
Pearson Intl to Halifax flights
Toronto Island to Calgary flights
Ottawa to Vancouver Intl flights
Toronto Island to Halifax flights
Hamilton to Calgary flights
Pearson Intl to Pierre Elliott Trudeau Intl flights
Region of Waterloo Intl to Calgary flights
Pearson Intl to St. John's flights
Pierre Elliott Trudeau Intl to Pearson Intl flights
Pierre Elliott Trudeau Intl to Toronto Island flights
Pearson Intl to Kelowna flights
Pearson Intl to Edmonton flights
Toronto Island to Pierre Elliott Trudeau Intl flights
Ottawa to Calgary flights
Region of Waterloo Intl to Vancouver Intl flights
Pierre Elliott Trudeau Intl to Abbotsford flights
Hamilton to Halifax flights
Pearson Intl to Victoria flights
Region of Waterloo Intl to Halifax flights
Toronto Island to Edmonton flights
Pearson Intl to Ottawa flights
Pearson Intl to Winnipeg flights
Region of Waterloo Intl to Abbotsford flights
Toronto Island to St. John's flights
Pierre Elliott Trudeau Intl to Halifax flights
Hamilton to Edmonton flights
Ottawa to Halifax flights
Toronto Island to Winnipeg flights
Toronto Island to Ottawa flights
Hamilton to Abbotsford flights
Pierre Elliott Trudeau Intl to Edmonton flights
Hamilton to St. John's flights
Pearson Intl to Québec City flights
Hamilton to Pierre Elliott Trudeau Intl flights
Ottawa to Winnipeg flights
Pearson Intl to Moncton flights
Thunder Bay to Pearson Intl flights
Pierre Elliott Trudeau Intl to Winnipeg flights
Toronto Island to Québec City flights
Ottawa to Abbotsford flights
Toronto Island to Moncton flights
Toronto Island to Charlottetown flights
Pearson Intl to Thunder Bay 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 12 January 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 454AverageC$ 892FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
WestJetCheapestC$ 490AverageC$ 611FlexibilityNo 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.