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Cheap flights from London Southend Airport to Ontario from C$ 482

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 11/5. Fares are subject to change and may not be available on all flights or dates of travel.
SEN — YYZ
21 Apr — 28 Apr1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Southend to Ontario

Enter your travel dates to find the best prices.

Cheapest flights from Southend to Ontario
Explore the most affordable flight options available from Southend to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 22 March 2026.

Fri 8/511:20 a.m.
SEN
-
YUL
1 stop29h 15m
Multiple Airlines
Thu 21/56:50 p.m.
YUL
-
SEN
1 stop10h 55m
Multiple Airlines
Deal found 20/3C$ 785
Wed 6/54:50 p.m.
SEN
-
YYZ
1 stop29h 20m
Multiple Airlines
Wed 20/511:45 p.m.
YYZ
-
SEN
1 stop11h 55m
Multiple Airlines
Deal found 18/3C$ 868
Thu 30/410:10 a.m.
SEN
-
YUL
1 stop10h 35m
Multiple Airlines
Wed 6/59:35 p.m.
YUL
-
SEN
1 stop10h 25m
Multiple Airlines
Deal found 17/3C$ 894
Thu 11/61:55 p.m.
SEN
-
YYZ
1 stop32h 15m
Multiple Airlines
Sat 20/611:45 p.m.
YYZ
-
SEN
1 stop14h 50m
Multiple Airlines
Deal found 17/3C$ 911
Thu 3/91:55 p.m.
SEN
-
YYZ
1 stop32h 15m
Multiple Airlines
Sun 20/911:45 p.m.
YYZ
-
SEN
1 stop14h 50m
Multiple Airlines
Deal found 18/3C$ 912
Wed 14/104:50 p.m.
SEN
-
YYZ
1 stop29h 20m
Multiple Airlines
Wed 21/1011:45 p.m.
YYZ
-
SEN
1 stop11h 55m
Multiple Airlines
Deal found 17/3C$ 915
Thu 10/91:55 p.m.
SEN
-
YYZ
1 stop32h 15m
Multiple Airlines
Sun 27/911:45 p.m.
YYZ
-
SEN
1 stop14h 50m
Multiple Airlines
Deal found 21/3C$ 916
Wed 22/44:50 p.m.
SEN
-
YYZ
1 stop29h 20m
Multiple Airlines
Wed 6/511:45 p.m.
YYZ
-
SEN
1 stop11h 55m
Multiple Airlines
Deal found 20/3C$ 922
Fri 8/511:20 a.m.
SEN
-
YUL
1 stop14h 40m
Multiple Airlines
Wed 13/511:00 p.m.
YUL
-
SEN
1 stop30h 45m
Multiple Airlines
Deal found 19/3C$ 926
Thu 10/91:55 p.m.
SEN
-
YYZ
1 stop32h 15m
Multiple Airlines
Thu 17/911:45 p.m.
YYZ
-
SEN
1 stop14h 50m
Multiple Airlines
Deal found 19/3C$ 937
Wed 6/54:50 p.m.
SEN
-
YYZ
1 stop29h 20m
Multiple Airlines
Wed 13/511:45 p.m.
YYZ
-
SEN
1 stop11h 55m
Multiple Airlines
Deal found 20/3C$ 942
Fri 29/511:20 a.m.
SEN
-
YUL
1 stop14h 40m
Multiple Airlines
Sat 6/611:00 p.m.
YUL
-
SEN
1 stop30h 30m
Multiple Airlines
Deal found 18/3C$ 952

Find flight deals from Southend to Ontario

Keep the following information in mind while searching for Southend to Ontario flight deals. Data was last updated 22 March 2026.

Round-trip from

C$ 785

One-way from

C$ 482

Popular in

December

Cheapest in

September

Average price

C$ 805
8/5-21/5
  • 8/5-21/5
  • 2 total stops
  • 40h 10m total
  • London to Ontario
Search Deals
11/5
  • 11/5
  • 1 total stop
  • 29h 15m total
  • London to Ontario
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (C$ 59 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 30 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Southend 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 22 March 2026.
Use the filters below to find and compare flights from London Southend Airport to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LondonMontreal

SEN - YUL

SENYUL

London Southend

Fri 8/5

11:20 a.m.-11:35 a.m.

1 stop29h 15m

Montreal Pierre Elliott Trudeau Intl

Thu 21/5

6:50 p.m.-10:45 a.m.

1 stop10h 55m

C$ 785

LondonToronto

SEN - YYZ

SENYYZ

London Southend

Thu 11/6

1:55 p.m.-5:10 p.m.

1 stop32h 15m

Toronto Pearson Intl

Sat 20/6

11:45 p.m.-7:35 p.m.

1 stop14h 50m

C$ 911

LondonToronto

SEN - YYZ

SENYYZ

London Southend

Wed 6/5

4:50 p.m.-5:10 p.m.

1 stop29h 20m

Toronto Pearson Intl

Wed 13/5

11:45 p.m.-4:40 p.m.

1 stop11h 55m

C$ 944

LondonToronto

SEN - YYZ

SENYYZ

London Southend

Fri 12/6

4:55 p.m.-5:10 p.m.

1 stop29h 15m

Toronto Pearson Intl

Sat 20/6

11:45 p.m.-7:35 p.m.

1 stop14h 50m

C$ 958

LondonToronto

SEN - YYZ

SENYYZ

London Southend

Thu 11/6

1:55 p.m.-5:10 p.m.

1 stop32h 15m

Toronto Pearson Intl

Thu 2/7

11:45 p.m.-7:35 p.m.

1 stop14h 50m

C$ 977

LondonToronto

SEN - YYZ

SENYYZ

London Southend

Mon 24/8

4:10 p.m.-5:10 p.m.

1 stop30h 00m

Toronto Pearson Intl

Wed 2/9

11:45 p.m.-4:40 p.m.

1 stop11h 55m

C$ 1,049

LondonToronto

SEN - YYZ

SENYYZ

London Southend

Mon 8/6

4:55 p.m.-5:10 p.m.

1 stop29h 15m

Toronto Pearson Intl

Sun 21/6

11:45 p.m.-6:50 p.m.

1 stop14h 05m

C$ 1,062

LondonMontreal

SEN - YUL

SENYUL

London Southend

Thu 2/7

1:45 p.m.-11:35 a.m.

1 stop26h 50m

Montreal Pierre Elliott Trudeau Intl

Sun 12/7

6:50 p.m.-10:30 a.m.

1 stop10h 40m

C$ 1,065

LondonToronto

SEN - YYZ

SENYYZ

London Southend

Wed 10/6

4:50 p.m.-5:10 p.m.

1 stop29h 20m

Toronto Pearson Intl

Sun 21/6

11:45 p.m.-6:50 p.m.

1 stop14h 05m

C$ 1,099

LondonToronto

SEN - YYZ

SENYYZ

London Southend

Fri 24/4

4:55 p.m.-5:10 p.m.

1 stop29h 15m

Toronto Pearson Intl

Sun 3/5

11:45 p.m.-7:35 p.m.

1 stop14h 50m

C$ 1,102

Flights are sorted by cheapest round-trip flights first.

Deals found on 21/3

Showing 1-10 of 39 resultsSorted by cheapest first
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Best time to book a flight from Southend to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Southend 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 Southend Airport to Ontario
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Southend to Ontario. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • Can I find deals for flights from Southend to Ontario that include hotel bookings?

    Yes. In addition to deals on Southend to Ontario flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Southend to Ontario?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Southend to Ontario.

  • Can I find deals for business class flights from Southend to Ontario?

    Yes. Cheapflights offers flight deals from Southend 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.

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Can Cheapflights find flights from Southend to Ontario with no change fees?

Need flexible booking options for your flight to Ontario from Southend? 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 Southend to Ontario become cheaper?

Yes, Cheapflights offers price alerts on Southend to Ontario flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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