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Cheap flights from London, ON to Ontario from C$ 255

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 6/9. Fares are subject to change and may not be available on all flights or dates of travel.
YXU — YYZ
1 Sep — 8 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 2 August 2026.

Fri 28/82:40 p.m.
YXU
-
YOW
2 stops9h 40m
WestJet
Mon 31/812:25 p.m.
YOW
-
YXU
1 stop25h 25m
WestJet
Deal found 27/7C$ 409
Fri 4/92:40 p.m.
YXU
-
YYZ
1 stop23h 35m
WestJet
Sun 6/98:00 a.m.
YYZ
-
YXU
1 stop5h 50m
WestJet
Deal found 29/7C$ 441
Sun 23/82:40 p.m.
YXU
-
YOW
2 stops9h 40m
WestJet
Mon 24/812:25 p.m.
YOW
-
YXU
1 stop25h 25m
WestJet
Deal found 31/7C$ 448
Tue 25/82:40 p.m.
YXU
-
YYZ
1 stop6h 55m
WestJet
Tue 1/98:00 a.m.
YYZ
-
YXU
1 stop5h 50m
WestJet
Deal found 28/7C$ 485
Fri 28/82:40 p.m.
YXU
-
YYZ
1 stop6h 55m
WestJet
Fri 4/98:00 a.m.
YYZ
-
YXU
1 stop5h 50m
WestJet
Deal found 30/7C$ 502
Thu 17/95:55 p.m.
YXU
-
YOW
1 stop11h 40m
WestJet
Mon 21/98:15 p.m.
YOW
-
YXU
1 stop9h 05m
WestJet
Deal found 30/7C$ 507
Thu 17/96:10 a.m.
YXU
-
YOW
2 stops18h 15m
Multiple Airlines
Mon 21/98:15 p.m.
YOW
-
YXU
1 stop9h 05m
Multiple Airlines
Deal found 30/7C$ 524
Sun 30/82:40 p.m.
YXU
-
YYZ
1 stop25h 00m
Multiple Airlines
Sun 6/98:00 a.m.
YYZ
-
YXU
1 stop5h 50m
Multiple Airlines
Deal found 31/7C$ 530
Sun 23/82:40 p.m.
YXU
-
YQT
1 stop19h 45m
WestJet
Mon 31/87:20 p.m.
YQT
-
YXU
1 stop18h 30m
WestJet
Deal found 29/7C$ 537
Fri 4/92:40 p.m.
YXU
-
YYZ
2 stops16h 15m
Multiple Airlines
Sun 6/97:00 a.m.
YYZ
-
YXU
1 stop6h 50m
Multiple Airlines
Deal found 29/7C$ 548
Tue 25/82:40 p.m.
YXU
-
YOW
2 stops9h 40m
WestJet
Tue 1/98:15 p.m.
YOW
-
YXU
1 stop9h 05m
WestJet
Deal found 29/7C$ 549
Fri 11/96:10 a.m.
YXU
-
YYZ
2 stops17h 15m
WestJet
Fri 18/96:00 a.m.
YYZ
-
YXU
1 stop10h 45m
WestJet
Deal found 28/7C$ 584

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 2 August 2026.

Round-trip from

C$ 441

One-way from

C$ 255

Good round-trip deal

C$ 762 or less

Good one-way deal

C$ 434 or less
WestJet
  • WestJet
  • 4/9-6/9
  • 2 total stops
  • 29h 25m total
  • London to Ontario
Search Deals
WestJet
  • WestJet
  • 6/9
  • 1 total stop
  • 19h 45m 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 2 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

LondonToronto

YXU - YYZ

YXUYYZ

London

Fri 4/9

2:40 p.m.-9:45 a.m.

1 stop19h 05m

Toronto Pearson Intl

Sun 6/9

8:00 a.m.-1:50 p.m.

1 stop5h 50m

C$ 465

LondonOttawa

YXU - YOW

YXUYOW

London

Fri 28/8

2:40 p.m.-12:20 a.m.

2 stops9h 40m

Ottawa

Mon 31/8

12:25 p.m.-1:50 p.m.

1 stop25h 25m

C$ 497

LondonOttawa

YXU - YOW

YXUYOW

London

Thu 17/9

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

1 stop11h 40m

Ottawa

Mon 21/9

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

1 stop9h 05m

C$ 507

LondonToronto

YXU - YYZ

YXUYYZ

London

Sun 30/8

2:40 p.m.-3:40 p.m.

1 stop25h 00m

Toronto Pearson Intl

Sun 6/9

8:00 a.m.-1:50 p.m.

1 stop5h 50m

C$ 530

LondonOttawa

YXU - YOW

YXUYOW

London

Sun 23/8

2:40 p.m.-12:20 a.m.

2 stops9h 40m

Ottawa

Mon 24/8

4:15 p.m.-1:50 p.m.

2 stops21h 35m

C$ 549

LondonOttawa

YXU - YOW

YXUYOW

London

Tue 25/8

2:40 p.m.-12:20 a.m.

2 stops9h 40m

Ottawa

Tue 1/9

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

1 stop9h 05m

C$ 549

LondonOttawa

YXU - YOW

YXUYOW

London

Sun 6/9

2:40 p.m.-12:20 a.m.

2 stops9h 40m

Ottawa

Sat 12/9

1:20 p.m.-5:20 a.m.

1 stop16h 00m

C$ 565

LondonOttawa

YXU - YOW

YXUYOW

London

Thu 1/10

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

1 stop23h 25m

Ottawa

Mon 5/10

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

1 stop9h 05m

C$ 573

LondonOttawa

YXU - YOW

YXUYOW

London

Thu 17/9

6:10 a.m.-5:58 p.m.

1 stop11h 48m

Ottawa

Thu 17/9

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

1 stop9h 05m

C$ 583

LondonToronto

YXU - YYZ

YXUYYZ

London

Thu 27/8

8:40 p.m.-6:55 a.m.

1 stop10h 15m

Toronto Pearson Intl

Thu 3/9

2:45 p.m.-1:50 p.m.

1 stop23h 05m

C$ 588

Flights are sorted by cheapest round-trip flights first.

Deals found on 29/7

Showing 1-10 of 52 resultsSorted by cheapest first
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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 2 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 2 August 2026.

The most flights from YXU to CAON are scheduled on a Saturday (14 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (4 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 2 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
11,419 reviews
Check prices

Boarding

7.3

Entertainment

6.8

Crew

7.8

Comfort

7.1

Overall

7.1

Food

6.3

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
11,419 reviews
Air Canada
7.1
Good
11,419 reviews
Check prices

Boarding

7.3

Entertainment

6.8

Crew

7.8

Comfort

7.1

Overall

7.1

Food

6.3

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 19h 05m. 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 - 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 (68%), Emirates (59%), United Airlines (52%).

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

    Looking at all options, your cheapest flight can be booked for C$ 204. While the most popular route (London - Ottawa) can be booked for C$ 490 on average, our data indicates C$ 738 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

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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 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 2 August 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 410AverageC$ 739FlexibilityNo 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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