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Cheap flights from Ontario to London Southend Airport from C$ 412

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 2/6. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — SEN
4 Jun — 11 Jun1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Ontario to Southend

Enter your travel dates to find the best prices.

Cheapest flights from Ontario to Southend
Explore the most affordable flight options available from Ontario to Southend. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 5 May 2026.

Mon 11/56:35 p.m.
YUL
-
SEN
1 stop11h 45m
Multiple Airlines
Tue 19/56:30 a.m.
SEN
-
YUL
2 stops22h 01m
Multiple Airlines
Deal found 3/5C$ 857
Sat 26/911:45 p.m.
YYZ
-
SEN
1 stop14h 50m
Multiple Airlines
Wed 7/104:50 p.m.
SEN
-
YYZ
1 stop29h 20m
Multiple Airlines
Deal found 5/5C$ 869
Wed 2/911:45 p.m.
YYZ
-
SEN
1 stop11h 55m
Multiple Airlines
Wed 9/94:50 p.m.
SEN
-
YYZ
1 stop29h 20m
Multiple Airlines
Deal found 30/4C$ 884
Sun 13/911:45 p.m.
YYZ
-
SEN
1 stop14h 50m
Multiple Airlines
Wed 30/94:50 p.m.
SEN
-
YYZ
1 stop29h 20m
Multiple Airlines
Deal found 4/5C$ 886
Wed 9/911:45 p.m.
YYZ
-
SEN
1 stop11h 55m
Multiple Airlines
Wed 23/94:50 p.m.
SEN
-
YYZ
1 stop29h 20m
Multiple Airlines
Deal found 1/5C$ 887
Wed 3/611:45 p.m.
YUL
-
SEN
1 stop17h 05m
Multiple Airlines
Wed 10/68:25 a.m.
SEN
-
YUL
1 stop13h 55m
Multiple Airlines
Deal found 4/5C$ 894
Sun 14/63:00 p.m.
YYZ
-
SEN
2 stops14h 30m
Multiple Airlines
Sat 27/67:55 a.m.
SEN
-
YYZ
1 stop11h 55m
Multiple Airlines
Deal found 3/5C$ 894
Wed 2/911:45 p.m.
YYZ
-
SEN
1 stop11h 55m
Multiple Airlines
Mon 14/94:55 p.m.
SEN
-
YYZ
1 stop29h 15m
Multiple Airlines
Deal found 1/5C$ 899
Sun 6/911:45 p.m.
YYZ
-
SEN
1 stop14h 50m
Multiple Airlines
Sun 27/94:55 p.m.
SEN
-
YYZ
1 stop29h 15m
Multiple Airlines
Deal found 1/5C$ 901
Sat 26/911:45 p.m.
YYZ
-
SEN
1 stop14h 50m
Multiple Airlines
Mon 12/104:55 p.m.
SEN
-
YYZ
1 stop29h 15m
Multiple Airlines
Deal found 4/5C$ 902
Wed 3/68:30 p.m.
YYZ
-
SEN
1 stop11h 30m
Multiple Airlines
Sat 13/67:55 a.m.
SEN
-
YYZ
1 stop11h 55m
Multiple Airlines
Deal found 1/5C$ 910
Sun 13/911:45 p.m.
YYZ
-
SEN
1 stop14h 50m
Multiple Airlines
Fri 25/94:55 p.m.
SEN
-
YYZ
1 stop29h 15m
Multiple Airlines
Deal found 1/5C$ 912

Find flight deals from Ontario to Southend

Keep the following information in mind while searching for Ontario to Southend flight deals. Data was last updated 5 May 2026.

Round-trip from

C$ 894

One-way from

C$ 412

Popular in

December

Cheapest in

February

Average price

C$ 782
3/6-10/6
  • 3/6-10/6
  • 2 total stops
  • 31h 00m total
  • Ontario to London
Search Deals
2/6
  • 2/6
  • 3 total stops
  • 37h 45m total
  • Ontario to London
Search Deals
Highest demand for flights based on searches. 2% potential increase in price (C$ 34 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 32 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario to Southend 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 5 May 2026.
Use the filters below to find and compare flights from Ontario to London Southend Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

TorontoLondon

YYZ - SEN

YYZSEN

Toronto Pearson Intl

Wed 3/6

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

1 stop11h 55m

London Southend

Wed 10/6

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

1 stop29h 20m

C$ 916

TorontoLondon

YYZ - SEN

YYZSEN

Toronto Pearson Intl

Tue 16/6

11:45 p.m.-7:40 p.m.

1 stop14h 55m

London Southend

Mon 22/6

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

1 stop30h 00m

C$ 918

TorontoLondon

YYZ - SEN

YYZSEN

Toronto Pearson Intl

Wed 3/6

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

1 stop11h 55m

London Southend

Sun 14/6

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

1 stop29h 15m

C$ 918

TorontoLondon

YYZ - SEN

YYZSEN

Toronto Pearson Intl

Wed 3/6

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

1 stop11h 55m

London Southend

Mon 15/6

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

1 stop29h 15m

C$ 920

TorontoLondon

YYZ - SEN

YYZSEN

Toronto Pearson Intl

Wed 3/6

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

1 stop11h 55m

London Southend

Fri 19/6

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

1 stop29h 15m

C$ 937

TorontoLondon

YYZ - SEN

YYZSEN

Toronto Pearson Intl

Sun 7/6

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

1 stop14h 50m

London Southend

Mon 15/6

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

1 stop29h 15m

C$ 943

OttawaLondon

YOW - SEN

YOWSEN

Ottawa

Fri 5/6

2:45 p.m.-10:45 a.m.

2 stops15h 00m

London Southend

Sat 13/6

7:55 a.m.-10:11 p.m.

2 stops19h 16m

C$ 967

TorontoLondon

YYZ - SEN

YYZSEN

Toronto Pearson Intl

Thu 4/6

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

1 stop14h 50m

London Southend

Thu 11/6

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

1 stop32h 15m

C$ 967

TorontoLondon

YYZ - SEN

YYZSEN

Toronto Pearson Intl

Wed 10/6

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

1 stop11h 55m

London Southend

Sun 21/6

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

1 stop29h 15m

C$ 988

MontrealLondon

YUL - SEN

YULSEN

Montreal Pierre Elliott Trudeau Intl

Fri 25/9

11:45 p.m.-9:45 p.m.

1 stop17h 00m

London Southend

Tue 6/10

6:30 a.m.-5:20 p.m.

1 stop15h 50m

C$ 1,034

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/5

Showing 1-10 of 52 resultsSorted by cheapest first
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Best time to book a flight from Ontario to Southend

Have a flexible travel schedule? Discover the best time to fly to Southend from Ontario 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 Ontario to London Southend Airport
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 Ontario to Southend. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the most popular routes from Region of Ontario to London Southend Airport?

    When deciding which route to take from Region of Ontario to London Southend Airport consider Toronto Pearson Intl - London Southend, Montreal Pierre Elliott Trudeau Intl - London Southend or Ottawa - London Southend as they are the most popular.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Ontario to Southend 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

Travelling to a place near London Southend Airport?

Book flights to London Southend Airport if you plan to visit one of these locations
Gatwick
Romford
Twickenham
Ilford
Bromley
Sutton
Slough
Marlow
Cobham
Watford
Luton
High Wycombe
Hounslow

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Ontario to Southend

See prices for flight routes from nearby airports that may be better suited for you.
Pearson Intl to Heathrow flights
Pearson Intl to Gatwick flights
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Pierre Elliott Trudeau Intl to Southend flights
Calgary to Stansted flights
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Ottawa to Stansted flights
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Halifax to London City flights
Winnipeg to Heathrow flights
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Edmonton to Stansted flights
Edmonton to London City flights
Québec City to Heathrow flights
Ottawa to London City flights
Winnipeg to Gatwick flights
Halifax to Luton flights
St. John's to Gatwick flights
St. John's to Heathrow flights
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Kelowna to Gatwick flights
Kamloops to Heathrow flights
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Winnipeg to Stansted flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Ontario to Southend?

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Why should you use Cheapflights to find cheap flight tickets from Ontario to Southend?

Cheapflights helps you find that perfect flight to Southend from Ontario by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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

Yes! Cheapflights helps users easily find flights from Ontario to Southend with no change fees.

Can Cheapflights notify me if prices for flights from Ontario to Southend become cheaper?

Yes! Start tracking prices for Ontario to Southend flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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