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Cheap flights from Ontario to London Southend Airport from C$ 390

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 16/7. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — SEN
16 Jul — 23 Jul1
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 16 June 2026.

Sun 6/911:45 p.m.
YYZ
-
SEN
1 stop14h 50m
Multiple Airlines
Wed 16/94:50 p.m.
SEN
-
YYZ
1 stop29h 20m
Multiple Airlines
Deal found 12/6C$ 806
Sun 6/911:45 p.m.
YYZ
-
SEN
1 stop14h 50m
Multiple Airlines
Sun 20/94:55 p.m.
SEN
-
YYZ
1 stop29h 15m
Multiple Airlines
Deal found 12/6C$ 811
Sun 20/911:45 p.m.
YYZ
-
SEN
1 stop14h 50m
Multiple Airlines
Wed 30/94:50 p.m.
SEN
-
YYZ
1 stop29h 20m
Multiple Airlines
Deal found 10/6C$ 820
Wed 9/911:45 p.m.
YYZ
-
SEN
1 stop11h 55m
Multiple Airlines
Wed 16/94:50 p.m.
SEN
-
YYZ
1 stop29h 20m
Multiple Airlines
Deal found 10/6C$ 825
Sun 20/911:45 p.m.
YYZ
-
SEN
1 stop14h 50m
Multiple Airlines
Fri 25/94:55 p.m.
SEN
-
YYZ
1 stop29h 15m
Multiple Airlines
Deal found 11/6C$ 832
Thu 27/811:45 p.m.
YYZ
-
SEN
1 stop14h 25m
Multiple Airlines
Wed 9/94:50 p.m.
SEN
-
YYZ
1 stop29h 20m
Multiple Airlines
Deal found 14/6C$ 840
Sun 6/911:45 p.m.
YYZ
-
SEN
1 stop14h 50m
Multiple Airlines
Sun 13/94:55 p.m.
SEN
-
YYZ
1 stop29h 15m
Multiple Airlines
Deal found 14/6C$ 841
Sun 27/911:45 p.m.
YYZ
-
SEN
1 stop14h 50m
Multiple Airlines
Mon 12/104:55 p.m.
SEN
-
YYZ
1 stop29h 15m
Multiple Airlines
Deal found 14/6C$ 843
Sun 4/1011:45 p.m.
YYZ
-
SEN
1 stop14h 50m
Multiple Airlines
Wed 14/104:50 p.m.
SEN
-
YYZ
1 stop29h 20m
Multiple Airlines
Deal found 14/6C$ 844
Sat 5/911:45 p.m.
YYZ
-
SEN
1 stop14h 50m
Multiple Airlines
Wed 16/94:50 p.m.
SEN
-
YYZ
1 stop29h 20m
Multiple Airlines
Deal found 15/6C$ 853
Wed 8/73:20 p.m.
YYZ
-
SEN
2 stops20h 20m
Multiple Airlines
Mon 13/77:45 a.m.
SEN
-
YYZ
2 stops29h 28m
Multiple Airlines
Deal found 14/6C$ 858
Sat 3/1011:45 p.m.
YYZ
-
SEN
1 stop14h 50m
Multiple Airlines
Sun 11/104:55 p.m.
SEN
-
YYZ
1 stop29h 15m
Multiple Airlines
Deal found 14/6C$ 879

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 16 June 2026.

Round-trip from

C$ 806

One-way from

C$ 390

Popular in

December

Cheapest in

February

Average price

C$ 998
6/9-16/9
  • 6/9-16/9
  • 2 total stops
  • 44h 10m total
  • Ontario to London
Search Deals
16/7
  • 16/7
  • 2 total stops
  • 29h 25m total
  • Ontario to London
Search Deals
Highest demand for flights based on searches. 0% potential increase in price (C$ 6 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 June 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 16 June 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

Sun 6/9

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

1 stop14h 50m

London Southend

Wed 16/9

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

1 stop29h 20m

C$ 806

MontrealLondon

YUL - SEN

YULSEN

Montreal Pierre Elliott Trudeau Intl

Mon 12/10

11:45 p.m.-7:55 a.m.

1 stop27h 10m

London Southend

Wed 21/10

8:25 a.m.-5:20 p.m.

1 stop13h 55m

C$ 920

MontrealLondon

YUL - SEN

YULSEN

Montreal Pierre Elliott Trudeau Intl

Fri 2/10

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

1 stop17h 00m

London Southend

Sat 10/10

4:50 p.m.-5:20 p.m.

1 stop29h 30m

C$ 977

MontrealLondon

YUL - SEN

YULSEN

Montreal Pierre Elliott Trudeau Intl

Sat 21/11

8:10 p.m.-8:50 p.m.

1 stop19h 40m

London Southend

Fri 27/11

10:45 a.m.-12:40 p.m.

1 stop30h 55m

C$ 1,033

MontrealLondon

YUL - SEN

YULSEN

Montreal Pierre Elliott Trudeau Intl

Fri 28/8

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

1 stop17h 00m

London Southend

Mon 31/8

11:10 a.m.-11:35 a.m.

1 stop29h 25m

C$ 1,174

TorontoLondon

YYZ - SEN

YYZSEN

Toronto Pearson Intl

Sat 25/7

9:05 p.m.-7:10 a.m.

1 stop29h 05m

London Southend

Sun 13/9

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

1 stop29h 15m

C$ 1,185

TorontoLondon

YYZ - SEN

YYZSEN

Toronto Pearson Intl

Fri 11/9

9:05 p.m.-10:25 a.m.

1 stop32h 20m

London Southend

Thu 17/9

5:15 p.m.-3:15 p.m.

1 stop27h 00m

C$ 1,205

TorontoLondon

YYZ - SEN

YYZSEN

Toronto Pearson Intl

Thu 24/9

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

1 stop14h 50m

London Southend

Sun 27/9

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

1 stop29h 15m

C$ 1,262

MontrealLondon

YUL - SEN

YULSEN

Montreal Pierre Elliott Trudeau Intl

Tue 18/8

6:50 p.m.-10:20 p.m.

1 stop22h 30m

London Southend

Fri 21/8

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

1 stop29h 15m

C$ 1,279

OttawaLondon

YOW - SEN

YOWSEN

Ottawa

Thu 25/6

8:00 a.m.-10:45 a.m.

3 stops21h 45m

London Southend

Tue 8/9

6:30 a.m.-12:20 a.m.

3 stops22h 50m

C$ 1,293

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/6

Showing 1-10 of 55 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
Hounslow
Slough
Marlow
Cobham
Watford
Luton
High Wycombe

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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Pearson Intl to London City flights
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Vancouver Intl to Stansted flights
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Calgary to London City flights
Edmonton to Heathrow flights
Pierre Elliott Trudeau Intl to Southend flights
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Abbotsford to Gatwick flights
Halifax to Gatwick flights
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Ottawa to Gatwick flights
Edmonton to London City flights
Edmonton to Stansted flights
Ottawa to Stansted flights
Ottawa to London City flights
Halifax to London City flights
Halifax to Stansted flights
Saskatoon to Heathrow flights
Winnipeg to Heathrow flights
Halifax to Luton flights
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Abbotsford to London City flights
Winnipeg to Gatwick flights
Victoria to Gatwick flights
St. John's to Heathrow flights
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Saskatoon to Gatwick 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?

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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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