Find flights
Deals
When to book
Airlines
FAQs

Cheap flights from London, ON to Ontario from C$ 151

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 11/9. Fares are subject to change and may not be available on all flights or dates of travel.
YXU — YYZ
13 Sep — 20 Sep1
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 14 August 2026.

Fri 4/96:20 p.m. -
Nonstop0h 46m
Fri 4/98:50 p.m. -
Nonstop0h 50m
Deal found 12/8C$ 317
Wed 16/910:05 a.m. -
Nonstop0h 45m
Thu 17/98:30 a.m. -
Nonstop0h 50m
Deal found 13/8C$ 324
Fri 11/95:40 a.m. -
Nonstop0h 46m
Fri 18/98:30 a.m. -
Nonstop0h 50m
Deal found 14/8C$ 353
Wed 23/95:40 a.m. -
Nonstop0h 46m
Mon 28/98:30 a.m. -
Nonstop0h 50m
Deal found 14/8C$ 354
Mon 28/95:55 p.m. -
1 stop11h 40m
Mon 5/108:15 p.m. -
1 stop9h 05m
Deal found 14/8C$ 438
Fri 25/96:10 a.m. -
1 stop9h 10m
Fri 2/108:15 p.m. -
1 stop9h 05m
Deal found 11/8C$ 439
Thu 10/95:55 p.m. -
1 stop11h 40m
Thu 17/98:15 p.m. -
1 stop9h 05m
Deal found 13/8C$ 447
Thu 8/106:10 a.m. -
1 stop9h 10m
Mon 12/108:15 p.m. -
1 stop9h 05m
Deal found 11/8C$ 460
Mon 28/93:30 p.m. -
Nonstop0h 45m
Mon 5/106:00 a.m. -
1 stop10h 45m
Deal found 13/8C$ 461
Mon 21/96:20 p.m. -
Nonstop0h 47m
Wed 23/98:30 a.m. -
Nonstop0h 50m
Deal found 13/8C$ 465
Tue 22/96:10 a.m. -
1 stop11h 05m
Fri 25/98:15 p.m. -
1 stop9h 05m
Deal found 12/8C$ 475
Mon 28/95:55 p.m. -
1 stop11h 50m
Mon 5/106:00 a.m. -
1 stop10h 45m
Deal found 13/8C$ 475

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 14 August 2026.

Round-trip from

C$ 317

One-way from

C$ 151

Good round-trip deal

C$ 772 or less

Good one-way deal

C$ 440 or less
Air Canada
  • Air Canada
  • 11/9-14/9
  • Nonstop
  • 1h 35m total
  • London to Ontario
Search Deals
Air Canada
  • Air Canada
  • 28/9
  • Nonstop
  • 0h 47m total
  • London to Ontario
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 14 August 2026.
Use the filters below to find and compare flights from London to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LondonOttawa

YXU London - YOW Ottawa

YXUYOW

London

Mon 28/9

5:55 p.m.-5:35 a.m.

1 stop11h 40m

Ottawa

Mon 5/10

8:15 p.m.-5:20 a.m.

1 stop9h 05m

C$ 438

LondonToronto

YXU London - YYZ Toronto Pearson Intl

YXUYYZ

London

Mon 21/9

6:20 p.m.-7:07 p.m.

Nonstop0h 47m

Toronto Pearson Intl

Wed 23/9

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

Nonstop0h 50m

C$ 467

LondonOttawa

YXU London - YOW Ottawa

YXUYOW

London

Fri 25/9

5:55 p.m.-5:35 a.m.

1 stop11h 40m

Ottawa

Fri 2/10

8:15 p.m.-5:20 a.m.

1 stop9h 05m

C$ 472

LondonToronto

YXU London - YYZ Toronto Pearson Intl

YXUYYZ

London

Thu 10/9

6:20 p.m.-7:07 p.m.

Nonstop0h 47m

Toronto Pearson Intl

Mon 14/9

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

Nonstop0h 50m

C$ 483

LondonOttawa

YXU London - YOW Ottawa

YXUYOW

London

Mon 28/9

5:55 p.m.-5:35 a.m.

1 stop11h 40m

Ottawa

Mon 5/10

2:00 p.m.-5:20 a.m.

2 stops15h 20m

C$ 485

LondonOttawa

YXU London - YOW Ottawa

YXUYOW

London

Thu 24/9

5:55 p.m.-5:35 a.m.

1 stop11h 40m

Ottawa

Thu 1/10

8:15 p.m.-5:20 a.m.

1 stop9h 05m

C$ 488
Quickest round-trip

LondonToronto

YXU London - YYZ Toronto Pearson Intl

YXUYYZ

London

Mon 28/9

3:30 p.m.-4:15 p.m.

Nonstop0h 45m

Toronto Pearson Intl

Mon 5/10

8:50 p.m.-9:40 p.m.

Nonstop0h 50m

C$ 515

LondonOttawa

YXU London - YOW Ottawa

YXUYOW

London

Fri 11/9

6:10 a.m.-5:15 p.m.

1 stop11h 05m

Ottawa

Mon 14/9

2:00 p.m.-5:20 a.m.

2 stops15h 20m

C$ 535

LondonToronto

YXU London - YYZ Toronto Pearson Intl

YXUYYZ

London

Thu 15/10

5:55 p.m.-5:45 a.m.

1 stop11h 50m

Toronto Pearson Intl

Sun 18/10

8:00 a.m.-5:20 a.m.

2 stops21h 20m

C$ 549

LondonThunder Bay

YXU London - YQT Thunder Bay

YXUYQT

London

Sun 6/9

2:40 p.m.-10:25 a.m.

1 stop19h 45m

Thunder Bay

Sun 13/9

7:20 p.m.-5:20 a.m.

2 stops10h 00m

C$ 551

Flights are sorted by cheapest round-trip flights first.

Deals found on 13/8

Showing 1-10 of 60 resultsSorted by cheapest first
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 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 14 August 2026.

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 14 August 2026.

The most flights from YXU to CAON are scheduled on a Wednesday (15 on average). You will have fewer flight options on Monday, 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 14 August 2026.
See what other customers who have flown with 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.
Air Canada
7.1
Good
11,470 reviews
Check prices

Boarding

7.3

Crew

7.8

Food

6.3

Overall

7.1

Entertainment

6.8

Comfort

7.1

Reviews

1 / 20
4.0
Okay

Sugith,Jan 2026

YSB - YYZ

Left 2 hours late. Stuck on plane for an hour after boarding before take off.
Air Canada
7.1
Good
11,470 reviews
Air Canada
7.1
Good
11,470 reviews
Check prices

Boarding

7.3

Crew

7.8

Food

6.3

Overall

7.1

Entertainment

6.8

Comfort

7.1

Reviews

1 / 20
4.0
Okay

Sugith,Jan 2026

YSB - YYZ

Left 2 hours late. Stuck on plane for an hour after boarding before take off.

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 47m. 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 (66%), Emirates (57%), Air Canada (51%).

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

    Looking at all options, your cheapest flight can be booked for C$ 203. While the most popular route (London - Montreal Pierre Elliott Trudeau Intl) can be booked for C$ 632 on average, our data indicates C$ 758 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.

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
Hamilton to Vancouver Intl flights
Pearson Intl to Calgary flights
Toronto Island to Vancouver Intl flights
Pearson Intl to Abbotsford flights
Hamilton to Calgary flights
Hamilton to Halifax flights
Pearson Intl to Edmonton flights
Toronto Island to Calgary flights
Pearson Intl to Pierre Elliott Trudeau Intl flights
Toronto Island to Halifax flights
Ottawa to Vancouver Intl flights
Pearson Intl to Halifax flights
Pierre Elliott Trudeau Intl to Vancouver Intl flights
Hamilton to Edmonton flights
Region of Waterloo Intl to Calgary flights
Region of Waterloo Intl to Vancouver Intl flights
Pierre Elliott Trudeau Intl to Toronto Island flights
Pierre Elliott Trudeau Intl to Pearson Intl flights
Toronto Island to Pierre Elliott Trudeau Intl flights
Region of Waterloo Intl to Halifax flights
Pierre Elliott Trudeau Intl to Calgary flights
Pearson Intl to Victoria flights
Toronto Island to Edmonton flights
Hamilton to Winnipeg flights
Pearson Intl to St. John's flights
Pearson Intl to Winnipeg flights
Pierre Elliott Trudeau Intl to Abbotsford flights
Ottawa to Calgary flights
Toronto Island to Québec City flights
Pearson Intl to Kelowna flights
Pearson Intl to Québec City flights
Pierre Elliott Trudeau Intl to Halifax flights
Hamilton to St. John's flights
Ottawa to Halifax flights
Region of Waterloo Intl to Abbotsford flights
Ottawa to Pearson Intl flights
Pearson Intl to Saskatoon flights
Toronto Island to Ottawa flights
Pierre Elliott Trudeau Intl to Edmonton flights
Hamilton to Abbotsford flights
Pearson Intl to Ottawa flights
Ottawa to Toronto Island flights
Hamilton to Pierre Elliott Trudeau Intl flights
Toronto Island to Winnipeg flights
Pierre Elliott Trudeau Intl to Hamilton flights
Ottawa to Edmonton flights
Hamilton to Ottawa flights
Toronto Island to St. John's flights
Toronto Island to Moncton flights

Top airline flying from London to Ontario

Discover the top airline 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 14 August 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 467AverageC$ 765FlexibilityNo 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.

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.