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Cheap flights from Ontario to London Southend Airport from £219

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 12/2. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — SEN
27 Feb — 6 Mar1
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 28 January 2026.

Wed 29/423:45
YYZ
-
SEN
1 stop11h 55m
Multiple Airlines
Wed 6/516:50
SEN
-
YYZ
1 stop29h 20m
Multiple Airlines
Deal found 26/1£431
Fri 1/523:45
YUL
-
SEN
1 stop17h 00m
Multiple Airlines
Sat 9/516:50
SEN
-
YUL
1 stop29h 30m
Multiple Airlines
Deal found 26/1£432
Wed 15/423:45
YYZ
-
SEN
1 stop11h 55m
Multiple Airlines
Wed 22/416:50
SEN
-
YYZ
1 stop29h 20m
Multiple Airlines
Deal found 27/1£439
Sun 22/222:45
YYZ
-
SEN
2 stops18h 20m
Multiple Airlines
Mon 2/315:40
SEN
-
YYZ
2 stops28h 40m
Multiple Airlines
Deal found 26/1£442
Wed 10/618:50
YUL
-
SEN
1 stop13h 10m
Multiple Airlines
Mon 22/611:10
SEN
-
YUL
1 stop29h 25m
Multiple Airlines
Deal found 25/1£447
Thu 5/206:00
YUL
-
SEN
2 stops25h 50m
Multiple Airlines
Mon 9/207:15
SEN
-
YUL
1 stop13h 30m
Multiple Airlines
Deal found 26/1£451
Mon 11/523:45
YUL
-
SEN
1 stop27h 10m
Multiple Airlines
Wed 20/508:25
SEN
-
YUL
1 stop13h 55m
Multiple Airlines
Deal found 26/1£456
Wed 3/623:45
YYZ
-
SEN
1 stop11h 55m
Multiple Airlines
Wed 10/616:50
SEN
-
YYZ
1 stop29h 20m
Multiple Airlines
Deal found 27/1£463
Wed 18/321:25
YUL
-
SEN
1 stop19h 35m
Multiple Airlines
Wed 25/307:10
SEN
-
YUL
1 stop12h 35m
Multiple Airlines
Deal found 26/1£464
Wed 20/523:45
YYZ
-
SEN
1 stop11h 55m
Multiple Airlines
Wed 27/516:50
SEN
-
YYZ
1 stop29h 20m
Multiple Airlines
Deal found 27/1£467
Sat 9/518:50
YUL
-
SEN
1 stop10h 30m
Multiple Airlines
Fri 15/511:20
SEN
-
YUL
1 stop29h 15m
Multiple Airlines
Deal found 26/1£468
Wed 4/321:25
YUL
-
SEN
1 stop18h 35m
Multiple Airlines
Wed 11/307:10
SEN
-
YUL
1 stop12h 35m
Multiple Airlines
Deal found 27/1£469

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 28 January 2026.

Round-trip from

£431

One-way from

£219

Popular in

December

Cheapest in

February

Average price

£398
29/4-6/5
  • 29/4-6/5
  • 2 total stops
  • 41h 15m total
  • Ontario to London
Search Deals
12/2
  • 12/2
  • 1 total stop
  • 11h 40m total
  • Ontario to London
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (£16 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£10 potential savings vs. average return price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights Fare Finder

 
Customise 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 858,174 searches. Data last updated 28 January 2026.
Use the filters below to find and compare flights from Ontario to London Southend Airport that are best for you.

Fly from

Ontario

Fly to

Southend

Route

Depart

Return

Price

TorontoLondon

YYZ - SEN

YYZSEN

Toronto Pearson Intl

Wed 29/4

23:45-16:40

1 stop11h 55m

London Southend

Wed 6/5

16:50-17:10

1 stop29h 20m

£431

TorontoLondon

YYZ - SEN

YYZSEN

Toronto Pearson Intl

Wed 15/4

23:45-16:40

1 stop11h 55m

London Southend

Wed 22/4

16:50-17:10

1 stop29h 20m

£439

MontrealLondon

YUL - SEN

YULSEN

Montreal Pierre Elliott Trudeau Intl

Wed 10/6

18:50-13:00

1 stop13h 10m

London Southend

Mon 22/6

11:10-11:35

1 stop29h 25m

£447

MontrealLondon

YUL - SEN

YULSEN

Montreal Pierre Elliott Trudeau Intl

Wed 18/3

21:25-21:00

1 stop19h 35m

London Southend

Wed 25/3

07:10-15:45

1 stop12h 35m

£464

TorontoLondon

YYZ - SEN

YYZSEN

Toronto Pearson Intl

Wed 20/5

23:45-16:40

1 stop11h 55m

London Southend

Wed 27/5

16:50-17:10

1 stop29h 20m

£467

MontrealLondon

YUL - SEN

YULSEN

Montreal Pierre Elliott Trudeau Intl

Sat 9/5

18:50-10:20

1 stop10h 30m

London Southend

Fri 15/5

11:20-11:35

1 stop29h 15m

£468

MontrealLondon

YUL - SEN

YULSEN

Montreal Pierre Elliott Trudeau Intl

Wed 4/3

21:25-21:00

1 stop18h 35m

London Southend

Wed 11/3

07:10-15:45

1 stop12h 35m

£469

MontrealLondon

YUL - SEN

YULSEN

Montreal Pierre Elliott Trudeau Intl

Sat 13/6

18:50-10:20

1 stop10h 30m

London Southend

Sun 28/6

19:50-14:00

1 stop23h 10m

£471

MontrealLondon

YUL - SEN

YULSEN

Montreal Pierre Elliott Trudeau Intl

Sun 24/5

18:50-10:35

1 stop10h 45m

London Southend

Thu 4/6

10:10-14:00

1 stop32h 50m

£472

MontrealLondon

YUL - SEN

YULSEN

Montreal Pierre Elliott Trudeau Intl

Thu 11/6

18:50-10:45

1 stop10h 55m

London Southend

Thu 18/6

10:10-11:35

1 stop30h 25m

£472

Flights are sorted by cheapest return flights first.

Deals found on 26/1

Showing 1-10 of 49 results
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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 return 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?

    While some choose either Toronto Pearson Intl - London Southend or Ottawa - London Southend, Montreal Pierre Elliott Trudeau Intl - London Southend is the most popular route from Region of Ontario to London Southend Airport.

  • 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 holiday 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
Milton Keynes
Luton
Croydon
Wembley
Gatwick
Slough
Hounslow
Ilford
Brentford
Hayes
Watford
Colchester
Guildford
Chelmsford
Bedford
Crawley
Kingston upon Thames
Eastbourne
Romford
Ipswich

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
Vancouver Intl to Heathrow flights
Pierre Elliott Trudeau Intl to Heathrow flights
Pearson Intl to London City flights
Vancouver Intl to Gatwick flights
Pearson Intl to Stansted flights
Toronto Island to Heathrow flights
Pearson Intl to Luton flights
Calgary to Heathrow flights
Pierre Elliott Trudeau Intl to Gatwick flights
Vancouver Intl to Stansted flights
Pierre Elliott Trudeau Intl to Stansted flights
Halifax to Heathrow flights
Calgary to Gatwick flights
Ottawa to Heathrow flights
Calgary to London City flights
Abbotsford to Heathrow flights
Halifax to Gatwick flights
Ottawa to Gatwick flights
Edmonton to Heathrow flights
Vancouver Intl to Luton flights
Edmonton to Gatwick flights
Winnipeg to Heathrow flights
Calgary to Stansted flights
Winnipeg to Gatwick flights
St. John's to Heathrow flights
St. John's to Gatwick flights
Victoria to Gatwick flights
Victoria to Heathrow flights
Kelowna to Heathrow flights
Québec City to Heathrow flights
Québec City to Gatwick flights

Fly with Cheapflights

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

When you search for this flight from Ontario to Southend, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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

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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.

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Not ready to book yet? You can track prices for flights from Ontario to Southend on Cheapflights with our Price Alert feature and get notified when better prices are available.

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