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Cheap flights from London Southend Airport to Ontario from £232

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 7/11. Fares are subject to change and may not be available on all flights or dates of travel.
SEN — YYZ
12 Oct — 19 Oct1
1 adult
1 adult, Economy

Cheap flight deals from Southend to Ontario

Keep the following information in mind while searching for Southend to Ontario flight deals. Data was last updated 12 September 2025.

Round-trip from

£362

One-way from

£232

Popular in

December

Cheapest in

February

Average price

£381
9/10-16/10
  • 9/10-16/10
  • 2 total stops
  • 38h 50m total
  • London to Ontario
Search Deals
7/11
  • 7/11
  • 1 total stop
  • 13h 55m total
  • London to Ontario
Search Deals
Highest demand for flights based on searches. 3% potential increase in price (£11 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£9 potential savings vs. average return price).
Search Deals
Average for round-trip flights in September 2025
Search Deals

Find flight deals from Southend to Ontario

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 12 September 2025.

Thu 9/1017:40SEN - YUL
1 stop22h 55mMultiple Airlines
Thu 16/1018:50YUL - SEN
1 stop15h 55mMultiple Airlines
Deal found 11/9£362
Thu 18/917:40SEN - YUL
2 stops32h 20mMultiple Airlines
Thu 25/917:50YUL - SEN
1 stop16h 55mMultiple Airlines
Deal found 11/9£409
Thu 23/1017:40SEN - YUL
3 stops32h 13mMultiple Airlines
Wed 29/1015:10YUL - SEN
3 stops25h 50mMultiple Airlines
Deal found 10/9£427
Mon 17/1107:15SEN - YUL
1 stop13h 30mMultiple Airlines
Sun 30/1118:00YUL - SEN
1 stop11h 25mMultiple Airlines
Deal found 10/9£434
Wed 15/1017:00SEN - YYZ
1 stop29h 10mMultiple Airlines
Wed 22/1023:45YYZ - SEN
1 stop11h 55mMultiple Airlines
Deal found 10/9£436
Wed 5/1107:10SEN - YYZ
2 stops16h 05mMultiple Airlines
Sat 15/1119:40YYZ - SEN
2 stops20h 10mMultiple Airlines
Deal found 10/9£437
Fri 7/1110:45SEN - YYZ
2 stops14h 05mMultiple Airlines
Thu 13/1117:00YYZ - SEN
2 stops15h 35mMultiple Airlines
Deal found 11/9£444
Mon 1/1207:15SEN - YYZ
2 stops16h 00mMultiple Airlines
Sat 6/1219:40YYZ - SEN
2 stops20h 10mMultiple Airlines
Deal found 10/9£456
Mon 6/1011:05SEN - YYZ
3 stops33h 19mMultiple Airlines
Sun 12/1015:00YYZ - SEN
2 stops14h 25mMultiple Airlines
Deal found 11/9£459
Mon 10/1107:15SEN - YUL
2 stops15h 05mMultiple Airlines
Tue 18/1117:00YUL - SEN
1 stop12h 00mMultiple Airlines
Deal found 10/9£467
Mon 22/911:05SEN - YUL
2 stops14h 30mMultiple Airlines
Thu 25/921:20YUL - SEN
1 stop13h 25mMultiple Airlines
Deal found 11/9£470
Thu 18/917:40SEN - YUL
1 stop22h 55mMultiple Airlines
Sat 27/921:30YUL - SEN
1 stop31h 55mMultiple Airlines
Deal found 10/9£492

Cheapflights Fare Finder

 
Customise 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 858,174 searches. Data last updated 12 September 2025.
Use the filters below to find and compare flights from London Southend Airport to Ontario that are best for you.

Fly from

Southend

Fly to

Ontario

Route

Depart

Return

Price

LondonMontreal

SEN - YUL

SENYUL

London Southend

Thu 9/10

17:40-11:35

1 stop22h 55m

Montreal Pierre Elliott Trudeau Intl

Thu 16/10

18:50-15:45

1 stop15h 55m

£362

LondonMontreal

SEN - YUL

SENYUL

London Southend

Thu 23/10

17:40-12:05

2 stops23h 25m

Montreal Pierre Elliott Trudeau Intl

Wed 29/10

15:10-21:00

3 stops25h 50m

£427

LondonToronto

SEN - YYZ

SENYYZ

London Southend

Wed 15/10

17:00-17:10

1 stop29h 10m

Toronto Pearson Intl

Wed 22/10

23:45-16:40

1 stop11h 55m

£436

LondonToronto

SEN - YYZ

SENYYZ

London Southend

Wed 5/11

07:10-18:15

2 stops16h 05m

Toronto Pearson Intl

Sat 15/11

19:40-20:50

2 stops20h 10m

£437

LondonToronto

SEN - YYZ

SENYYZ

London Southend

Fri 7/11

10:45-19:50

2 stops14h 05m

Toronto Pearson Intl

Thu 13/11

17:00-13:35

2 stops15h 35m

£444

LondonToronto

SEN - YYZ

SENYYZ

London Southend

Mon 6/10

11:05-15:24

3 stops33h 19m

Toronto Pearson Intl

Sun 12/10

15:00-10:25

2 stops14h 25m

£459

LondonMontreal

SEN - YUL

SENYUL

London Southend

Mon 22/9

11:05-20:35

2 stops14h 30m

Montreal Pierre Elliott Trudeau Intl

Thu 25/9

21:20-15:45

1 stop13h 25m

£470

LondonMontreal

SEN - YUL

SENYUL

London Southend

Mon 10/11

07:15-15:20

1 stop13h 05m

Montreal Pierre Elliott Trudeau Intl

Tue 18/11

17:00-10:00

1 stop12h 00m

£478

LondonToronto

SEN - YYZ

SENYYZ

London Southend

Thu 25/9

17:40-14:25

1 stop25h 45m

Toronto Pearson Intl

Wed 1/10

21:05-20:50

1 stop18h 45m

£492

LondonToronto

SEN - YYZ

SENYYZ

London Southend

Thu 25/9

17:40-14:25

1 stop25h 45m

Toronto Pearson Intl

Thu 2/10

21:05-15:45

1 stop13h 40m

£494

Flights are sorted by cheapest return flights first.

Deals found on 11/9

Showing 1-10 of 47 results
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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 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 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.

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

    The most popular flight routes from London Southend Airport to Region of Ontario are London Southend - Toronto Pearson Intl, London Southend - Montreal Pierre Elliott Trudeau Intl and London Southend - Ottawa.

  • 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 holiday 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.

  • What is the cheapest month to book a flight from London Southend Airport to Region of Ontario?

    Currently, January is the cheapest month in which you can book a flight from London Southend Airport to Region of Ontario (average of £490). Flying from London Southend Airport to Region of Ontario in July is currently the most expensive (average of £708). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Southend to Ontario

See prices for flight routes from nearby airports that may be better suited for you.
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London City to Abbotsford flights
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London City to Halifax flights
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Heathrow to Winnipeg flights
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Stansted to Calgary flights
London City to Québec City flights
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Gatwick to Abbotsford flights
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Heathrow to St. John's flights
Luton to Halifax flights
Stansted to Halifax 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 Southend to Ontario?

Deals for Southend to Ontario flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

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

Cheapflights simply makes it quick and affordable to book flights from Southend to Ontario by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

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

Cheapflights does show flights with no change fees to all users. To see these options for flights from Southend to Ontario, users can toggle the no change fees filter when performing a flight search.

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

Yes! Start tracking prices for Southend to Ontario 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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