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Cheap flights from London Southend Airport to Ontario from £266

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 11/2. Fares are subject to change and may not be available on all flights or dates of travel.
SEN — YYZ
15 Feb — 22 Feb1
1 adult
1 adult, Economy, 0 bags

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 16 January 2026.

Round-trip from

£409

One-way from

£266

Popular in

December

Cheapest in

February

Average price

£394
25/3-4/4
  • 25/3-4/4
  • 2 total stops
  • 23h 35m total
  • London to Ontario
Search Deals
11/2
  • 11/2
  • 2 total stops
  • 21h 01m total
  • London to Ontario
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (£21 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

Find flight deals from Southend to Ontario

Enter your travel dates to find the best prices.

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 16 January 2026.

Wed 25/307:10
SEN
-
YUL
1 stop12h 35m
Multiple Airlines
Sat 4/418:20
YUL
-
SEN
1 stop11h 00m
Multiple Airlines
Deal found 14/1£409
Thu 5/318:05
SEN
-
YUL
2 stops23h 05m
Multiple Airlines
Sun 15/318:00
YUL
-
SEN
1 stop12h 30m
Multiple Airlines
Deal found 14/1£421
Mon 11/511:10
SEN
-
YUL
1 stop31h 50m
Multiple Airlines
Wed 20/521:30
YUL
-
SEN
1 stop10h 30m
Multiple Airlines
Deal found 15/1£425
Mon 16/307:15
SEN
-
YUL
1 stop12h 30m
Multiple Airlines
Sun 22/318:00
YUL
-
SEN
1 stop12h 30m
Multiple Airlines
Deal found 14/1£426
Wed 18/307:10
SEN
-
YUL
1 stop12h 35m
Multiple Airlines
Sat 28/318:00
YUL
-
SEN
1 stop11h 20m
Multiple Airlines
Deal found 15/1£427
Wed 18/307:10
SEN
-
YYZ
2 stops16h 05m
Multiple Airlines
Wed 25/320:40
YYZ
-
SEN
2 stops20h 20m
Multiple Airlines
Deal found 14/1£453
Wed 13/516:50
SEN
-
YYZ
1 stop29h 20m
Multiple Airlines
Wed 27/523:45
YYZ
-
SEN
1 stop11h 55m
Multiple Airlines
Deal found 14/1£456
Wed 11/207:10
SEN
-
YUL
1 stop13h 35m
Multiple Airlines
Wed 18/221:25
YUL
-
SEN
1 stop18h 35m
Multiple Airlines
Deal found 14/1£463
Mon 1/611:10
SEN
-
YUL
1 stop29h 25m
Multiple Airlines
Wed 10/618:50
YUL
-
SEN
1 stop13h 10m
Multiple Airlines
Deal found 15/1£468
Fri 28/811:20
SEN
-
YUL
1 stop29h 15m
Multiple Airlines
Thu 10/918:50
YUL
-
SEN
1 stop10h 55m
Multiple Airlines
Deal found 14/1£471
Wed 29/416:50
SEN
-
YYZ
1 stop29h 20m
Multiple Airlines
Wed 6/523:45
YYZ
-
SEN
1 stop11h 55m
Multiple Airlines
Deal found 12/1£473
Mon 22/611:10
SEN
-
YUL
1 stop29h 25m
Multiple Airlines
Wed 1/721:30
YUL
-
SEN
1 stop14h 10m
Multiple Airlines
Deal found 14/1£476

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 16 January 2026.
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

Wed 25/3

07:10-15:45

1 stop12h 35m

Montreal Pierre Elliott Trudeau Intl

Sat 4/4

18:20-10:20

1 stop11h 00m

£409

LondonMontreal

SEN - YUL

SENYUL

London Southend

Thu 5/3

18:05-12:10

2 stops23h 05m

Montreal Pierre Elliott Trudeau Intl

Sun 15/3

18:00-10:30

1 stop12h 30m

£421

LondonMontreal

SEN - YUL

SENYUL

London Southend

Mon 11/5

11:10-14:00

1 stop31h 50m

Montreal Pierre Elliott Trudeau Intl

Wed 20/5

21:30-13:00

1 stop10h 30m

£425

LondonMontreal

SEN - YUL

SENYUL

London Southend

Mon 16/3

07:15-15:45

1 stop12h 30m

Montreal Pierre Elliott Trudeau Intl

Sun 22/3

18:00-10:30

1 stop12h 30m

£426

LondonMontreal

SEN - YUL

SENYUL

London Southend

Wed 13/5

08:25-17:20

1 stop13h 55m

Montreal Pierre Elliott Trudeau Intl

Sun 17/5

23:45-19:50

1 stop15h 05m

£438

LondonToronto

SEN - YYZ

SENYYZ

London Southend

Wed 13/5

16:50-17:10

1 stop29h 20m

Toronto Pearson Intl

Wed 27/5

23:45-16:40

1 stop11h 55m

£456

LondonMontreal

SEN - YUL

SENYUL

London Southend

Wed 11/2

07:10-12:40

1 stop10h 30m

Montreal Pierre Elliott Trudeau Intl

Wed 18/2

20:10-21:00

1 stop19h 50m

£467

LondonMontreal

SEN - YUL

SENYUL

London Southend

Mon 1/6

11:10-11:35

1 stop29h 25m

Montreal Pierre Elliott Trudeau Intl

Wed 10/6

18:50-13:00

1 stop13h 10m

£468

LondonMontreal

SEN - YUL

SENYUL

London Southend

Mon 22/6

11:10-11:35

1 stop29h 25m

Montreal Pierre Elliott Trudeau Intl

Wed 1/7

18:50-16:40

1 stop16h 50m

£476

LondonMontreal

SEN - YUL

SENYUL

London Southend

Fri 26/6

11:20-11:35

1 stop29h 15m

Montreal Pierre Elliott Trudeau Intl

Sat 18/7

18:50-19:20

1 stop19h 30m

£480

Flights are sorted by cheapest return flights first.

Deals found on 13/1

Showing 1-10 of 52 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 - Montreal Pierre Elliott Trudeau Intl, London Southend - Toronto Pearson 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.

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