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Cheap flights from London, ON to Ontario from C$ 195

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 14/4. Fares are subject to change and may not be available on all flights or dates of travel.
YXU — YYZ
5 Apr — 12 Apr1
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 6 March 2026.

Mon 25/56:10 a.m.
YXU
-
YQT
1 stop12h 50m
WestJet
Sat 30/511:00 a.m.
YQT
-
YXU
1 stop26h 50m
WestJet
Deal found 2/3C$ 422
Tue 26/56:10 a.m.
YXU
-
YQT
2 stops12h 35m
WestJet
Tue 2/67:20 p.m.
YQT
-
YXU
2 stops10h 00m
WestJet
Deal found 3/3C$ 448
Wed 25/38:10 p.m.
YXU
-
YYZ
1 stop22h 21m
WestJet
Sun 21/68:00 a.m.
YYZ
-
YXU
1 stop5h 50m
WestJet
Deal found 3/3C$ 448
Wed 25/38:10 p.m.
YXU
-
YYZ
1 stop27h 01m
WestJet
Tue 23/68:00 a.m.
YYZ
-
YXU
1 stop5h 50m
WestJet
Deal found 3/3C$ 459
Thu 26/39:40 a.m.
YXU
-
YYZ
Nonstop0h 50m
Air Canada
Mon 30/37:55 a.m.
YYZ
-
YXU
Nonstop0h 48m
Air Canada
Deal found 4/3C$ 479
Sat 16/56:10 a.m.
YXU
-
YYZ
1 stop18h 55m
WestJet
Tue 19/58:00 a.m.
YYZ
-
YXU
1 stop5h 50m
WestJet
Deal found 2/3C$ 484
Fri 29/52:40 p.m.
YXU
-
YUL
2 stops9h 45m
WestJet
Tue 9/68:00 p.m.
YUL
-
YXU
1 stop9h 20m
WestJet
Deal found 1/3C$ 489
Fri 10/45:40 p.m.
YXU
-
YYZ
Nonstop0h 49m
Air Canada
Sun 10/58:05 a.m.
YYZ
-
YXU
Nonstop0h 48m
Air Canada
Deal found 3/3C$ 503
Wed 15/45:40 p.m.
YXU
-
YYZ
Nonstop0h 49m
Air Canada
Fri 24/44:15 p.m.
YYZ
-
YXU
Nonstop0h 49m
Air Canada
Deal found 2/3C$ 504
Wed 25/38:10 p.m.
YXU
-
YYZ
1 stop22h 21m
WestJet
Mon 22/63:30 p.m.
YYZ
-
YXU
1 stop22h 20m
WestJet
Deal found 3/3C$ 509
Mon 25/55:55 p.m.
YXU
-
YYZ
2 stops14h 05m
WestJet
Thu 28/511:10 p.m.
YYZ
-
YXU
1 stop14h 40m
WestJet
Deal found 4/3C$ 515
Tue 31/35:40 p.m.
YXU
-
YYZ
Nonstop0h 48m
Air Canada
Tue 7/47:55 a.m.
YYZ
-
YXU
Nonstop0h 49m
Air Canada
Deal found 2/3C$ 516

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 6 March 2026.

Round-trip from

C$ 422

One-way from

C$ 195

Popular in

March

Cheapest in

November

Average price

C$ 900

Good round-trip deal

C$ 616 or less

Good one-way deal

C$ 289 or less
WestJet
  • WestJet
  • 25/5-30/5
  • 2 total stops
  • 39h 40m total
  • London to Ontario
Search Deals
WestJet
  • WestJet
  • 13/4
  • 1 total stop
  • 10h 03m total
  • London to Ontario
Search Deals
Highest demand for flights based on searches. 16% potential increase in price (C$ 176 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 34 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 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

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 6 March 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

LondonThunder Bay

YXU - YQT

YXUYQT

London

Mon 25/5

6:10 a.m.-7:00 p.m.

1 stop12h 50m

Thunder Bay

Sat 30/5

11:00 a.m.-1:50 p.m.

1 stop26h 50m

C$ 422

LondonThunder Bay

YXU - YQT

YXUYQT

London

Tue 26/5

6:10 a.m.-6:45 p.m.

3 stops12h 35m

Thunder Bay

Tue 2/6

11:00 a.m.-5:20 a.m.

3 stops18h 20m

C$ 466

LondonToronto

YXU - YYZ

YXUYYZ

London

Mon 25/5

5:55 p.m.-8:00 a.m.

2 stops14h 05m

Toronto Pearson Intl

Thu 28/5

11:10 p.m.-1:50 p.m.

1 stop14h 40m

C$ 515

LondonMontreal

YXU - YUL

YXUYUL

London

Fri 29/5

6:10 a.m.-7:05 a.m.

1 stop24h 55m

Montreal Pierre Elliott Trudeau Intl

Tue 9/6

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

1 stop9h 20m

C$ 519

LondonMontreal

YXU - YUL

YXUYUL

London

Thu 7/5

6:10 a.m.-11:45 p.m.

1 stop17h 35m

Montreal Pierre Elliott Trudeau Intl

Sun 10/5

7:15 a.m.-4:45 p.m.

1 stop9h 30m

C$ 519

LondonThunder Bay

YXU - YQT

YXUYQT

London

Sun 3/5

6:10 a.m.-6:45 p.m.

2 stops12h 35m

Thunder Bay

Thu 7/5

7:50 p.m.-5:20 a.m.

1 stop9h 30m

C$ 527

LondonThunder Bay

YXU - YQT

YXUYQT

London

Thu 28/5

6:10 a.m.-6:45 p.m.

2 stops12h 35m

Thunder Bay

Mon 1/6

7:50 p.m.-5:20 a.m.

1 stop9h 30m

C$ 529

LondonMontreal

YXU - YUL

YXUYUL

London

Thu 9/4

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

1 stop10h 55m

Montreal Pierre Elliott Trudeau Intl

Sun 19/4

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

2 stops23h 50m

C$ 534

LondonOttawa

YXU - YOW

YXUYOW

London

Fri 5/6

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

2 stops9h 40m

Ottawa

Sun 7/6

6:15 p.m.-5:20 a.m.

2 stops11h 05m

C$ 541

LondonToronto

YXU - YYZ

YXUYYZ

London

Sun 29/3

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

1 stop17h 00m

Toronto Pearson Intl

Sun 5/4

9:30 p.m.-7:03 p.m.

1 stop21h 33m

C$ 555

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/3

Showing 1-10 of 60 resultsSorted by cheapest first
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2
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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 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 December is currently the most expensive (average of C$ 153). 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 6 March 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.

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 6 March 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
3,281 reviews
Check prices

Food

6.2

Entertainment

6.1

Comfort

7.0

Crew

7.9

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
3,281 reviews
WestJet
7.2
Good
3,281 reviews
Check prices

Food

6.2

Entertainment

6.1

Comfort

7.0

Crew

7.9

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
10,780 reviews
WestJet
7.2
Good
3,281 reviews
Check prices

Food

6.2

Entertainment

6.1

Comfort

7.0

Crew

7.9

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 50m. 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 (52%), United Airlines (48%), Air Canada (48%).

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

    Looking at all options, your cheapest flight can be booked for C$ 232. While the most popular route (London - Montreal Pierre Elliott Trudeau Intl) can be booked for C$ 553 on average, our data indicates C$ 565 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 December is currently the most expensive (average of C$ 153). 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

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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.
Pearson Intl to Vancouver Intl flights
Hamilton to Vancouver Intl flights
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Ottawa to Halifax flights
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Pearson Intl to Québec City flights
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Toronto Island to Thunder Bay flights
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Ottawa to Winnipeg flights
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Thunder Bay to Toronto Island flights
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Toronto Island to Ottawa flights
Toronto Island to Québec City 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 6 March 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 446AverageC$ 874FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
WestJetCheapestC$ 508AverageC$ 629FlexibilityNo 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.

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