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Cheap flights from Ontario to London Southend Airport from £226

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 30/11. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — SEN
30 Nov — 7 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Ontario to Southend

Keep the following information in mind while searching for Ontario to Southend flight deals. Data was last updated 31 October 2025.

Round-trip from

£446

One-way from

£226

Popular in

December

Cheapest in

February

Average price

£456
10/1-16/1
  • 10/1-16/1
  • 2 total stops
  • 51h 20m total
  • Ontario to London
Search Deals
30/11
  • 30/11
  • 2 total stops
  • 36h 15m total
  • Ontario to London
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (£17 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£12 potential savings vs. average return price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

Find 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 31 October 2025.

Thu 13/1121:30YUL - SEN
1 stop10h 20mMultiple Airlines
Wed 19/1107:10SEN - YUL
1 stop13h 35mMultiple Airlines
Deal found 29/10£483
Thu 27/1120:10YUL - SEN
1 stop11h 40mMultiple Airlines
Sun 7/1218:05SEN - YUL
1 stop23h 35mMultiple Airlines
Deal found 29/10£485
Sun 23/1118:00YUL - SEN
1 stop11h 30mMultiple Airlines
Wed 3/1207:10SEN - YUL
1 stop13h 35mMultiple Airlines
Deal found 29/10£491
Thu 27/1120:10YUL - SEN
1 stop11h 40mMultiple Airlines
Fri 5/1210:00SEN - YUL
1 stop31h 40mMultiple Airlines
Deal found 30/10£496
Wed 3/1221:40YUL - SEN
1 stop18h 20mMultiple Airlines
Wed 17/1207:10SEN - YUL
1 stop17h 30mMultiple Airlines
Deal found 28/10£502
Thu 13/1117:00YYZ - SEN
2 stops14h 50mMultiple Airlines
Wed 19/1107:10SEN - YYZ
2 stops13h 52mMultiple Airlines
Deal found 29/10£512
Sun 9/1114:00YYZ - SEN
2 stops15h 30mMultiple Airlines
Wed 19/1107:10SEN - YYZ
1 stop12h 40mMultiple Airlines
Deal found 30/10£527
Fri 14/1112:08YYZ - SEN
2 stops16h 52mMultiple Airlines
Sat 22/1107:15SEN - YYZ
1 stop13h 25mMultiple Airlines
Deal found 29/10£603
Sun 9/1116:00YOW - SEN
2 stops13h 30mMultiple Airlines
Fri 14/1110:00SEN - YOW
2 stops14h 22mMultiple Airlines
Deal found 30/10£635
Sun 23/1120:25YYZ - SEN
1 stop13h 25mMultiple Airlines
Sat 6/1207:15SEN - YYZ
1 stop12h 10mMultiple Airlines
Deal found 29/10£636
Thu 4/1220:55YYZ - SEN
1 stop10h 55mMultiple Airlines
Mon 8/1207:15SEN - YYZ
1 stop12h 35mMultiple Airlines
Deal found 29/10£659
Wed 10/1218:05YYZ - SEN
2 stops21h 55mMultiple Airlines
Wed 17/1207:10SEN - YYZ
1 stop14h 15mMultiple Airlines
Deal found 29/10£786

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 31 October 2025.
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

MontrealLondon

YUL - SEN

YULSEN

Montreal Pierre Elliott Trudeau Intl

Sat 10/1

20:10-20:50

1 stop19h 40m

London Southend

Fri 16/1

10:00-12:40

1 stop31h 40m

£446

MontrealLondon

YUL - SEN

YULSEN

Montreal Pierre Elliott Trudeau Intl

Thu 19/3

20:40-12:50

1 stop12h 10m

London Southend

Thu 2/4

17:40-12:50

1 stop24h 10m

£478

MontrealLondon

YUL - SEN

YULSEN

Montreal Pierre Elliott Trudeau Intl

Thu 13/11

21:30-12:50

1 stop10h 20m

London Southend

Mon 24/11

07:15-15:45

1 stop13h 30m

£483

MontrealLondon

YUL - SEN

YULSEN

Montreal Pierre Elliott Trudeau Intl

Thu 13/11

21:30-12:50

1 stop10h 20m

London Southend

Wed 19/11

07:10-15:45

1 stop13h 35m

£483

MontrealLondon

YUL - SEN

YULSEN

Montreal Pierre Elliott Trudeau Intl

Thu 27/11

20:10-12:50

1 stop11h 40m

London Southend

Sun 7/12

18:05-12:40

1 stop23h 35m

£485

MontrealLondon

YUL - SEN

YULSEN

Montreal Pierre Elliott Trudeau Intl

Thu 27/11

20:10-12:50

1 stop11h 40m

London Southend

Fri 5/12

10:00-12:40

1 stop31h 40m

£496

MontrealLondon

YUL - SEN

YULSEN

Montreal Pierre Elliott Trudeau Intl

Wed 3/12

21:40-21:00

1 stop18h 20m

London Southend

Wed 17/12

07:10-19:40

1 stop17h 30m

£502

TorontoLondon

YYZ - SEN

YYZSEN

Toronto Pearson Intl

Thu 13/11

17:00-12:50

2 stops14h 50m

London Southend

Wed 19/11

07:10-16:02

2 stops13h 52m

£512

TorontoLondon

YYZ - SEN

YYZSEN

Toronto Pearson Intl

Thu 29/1

20:55-12:50

1 stop10h 55m

London Southend

Wed 11/2

07:10-14:50

1 stop12h 40m

£517

MontrealLondon

YUL - SEN

YULSEN

Montreal Pierre Elliott Trudeau Intl

Thu 15/1

20:10-12:50

1 stop11h 40m

London Southend

Sun 25/1

07:10-19:40

2 stops17h 30m

£519

Flights are sorted by cheapest return flights first.

Deals found on 29/10

Showing 1-10 of 40 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
Croydon
Slough
Gatwick
Hounslow
Luton
Ilford
Wembley
Deal
Hayes
Colchester
Watford
Winchester
Chichester
Crawley
Romford
Brentford
Ipswich
Bedford
Eastbourne

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 Luton flights
Calgary to Heathrow flights
Pierre Elliott Trudeau Intl to Gatwick flights
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Pierre Elliott Trudeau Intl to Stansted flights
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St. John's to Heathrow flights
St. John's to Gatwick flights
Québec City to Gatwick flights
Québec City to Heathrow flights
Fort McMurray to Heathrow flights
Kelowna to Gatwick flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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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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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