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Cheap flights from London Southend Airport to Ontario from £233

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 25/1. Fares are subject to change and may not be available on all flights or dates of travel.
SEN — YYZ
29 Dec — 5 Jan1
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 29 November 2025.

Round-trip from

£449

One-way from

£233

Popular in

December

Cheapest in

February

Average price

£416
27/2-15/3
  • 27/2-15/3
  • 2 total stops
  • 23h 15m total
  • London to Ontario
Search Deals
25/1
  • 25/1
  • 2 total stops
  • 38h 53m 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. 3% potential price decrease (£10 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2025
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 29 November 2025.

Wed 10/1207:10SEN - YUL
1 stop17h 30mMultiple Airlines
Wed 15/420:25YUL - SEN
1 stop11h 20mMultiple Airlines
Deal found 28/11£502
Thu 4/1218:05SEN - YYZ
2 stops24h 00mMultiple Airlines
Wed 10/1220:55YYZ - SEN
1 stop19h 05mMultiple Airlines
Deal found 28/11£523
Thu 11/1218:05SEN - YUL
1 stop23h 35mMultiple Airlines
Wed 15/420:25YUL - SEN
1 stop11h 20mMultiple Airlines
Deal found 28/11£532
Wed 3/1207:10SEN - YUL
1 stop13h 35mMultiple Airlines
Sat 6/1221:30YUL - SEN
1 stop18h 20mMultiple Airlines
Deal found 29/11£544
Mon 1/1207:15SEN - YUL
1 stop13h 30mMultiple Airlines
Thu 4/1221:30YUL - SEN
1 stop10h 20mMultiple Airlines
Deal found 28/11£551
Tue 16/1220:20SEN - YUL
2 stops28h 20mMultiple Airlines
Thu 8/120:10YUL - SEN
1 stop11h 40mMultiple Airlines
Deal found 29/11£558
Wed 24/1207:10SEN - YUL
1 stop17h 30mMultiple Airlines
Thu 15/120:10YUL - SEN
1 stop11h 40mMultiple Airlines
Deal found 28/11£559
Fri 5/1210:00SEN - YYZ
2 stops14h 45mMultiple Airlines
Wed 10/1220:55YYZ - SEN
1 stop19h 05mMultiple Airlines
Deal found 28/11£560
Wed 24/1207:10SEN - YUL
1 stop17h 30mMultiple Airlines
Sun 11/118:20YUL - SEN
1 stop11h 10mMultiple Airlines
Deal found 29/11£573
Wed 24/1207:10SEN - YUL
1 stop17h 30mMultiple Airlines
Thu 8/120:10YUL - SEN
1 stop11h 40mMultiple Airlines
Deal found 29/11£576
Fri 12/1210:00SEN - YUL
1 stop14h 40mMultiple Airlines
Thu 16/421:30YUL - SEN
2 stops13h 55mMultiple Airlines
Deal found 28/11£594
Tue 2/1207:00SEN - YYZ
3 stops36h 45mMultiple Airlines
Thu 4/1218:50YYZ - SEN
2 stops22h 20mMultiple Airlines
Deal found 27/11£626

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 29 November 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

Fri 27/2

10:00-15:45

1 stop10h 45m

Montreal Pierre Elliott Trudeau Intl

Sun 15/3

18:00-10:30

1 stop12h 30m

£449

LondonToronto

SEN - YYZ

SENYYZ

London Southend

Wed 6/5

16:50-17:10

1 stop29h 20m

Toronto Pearson Intl

Wed 13/5

23:45-16:40

1 stop11h 55m

£453

LondonToronto

SEN - YYZ

SENYYZ

London Southend

Wed 29/4

16:50-17:10

1 stop29h 20m

Toronto Pearson Intl

Wed 13/5

23:45-16:40

1 stop11h 55m

£456

LondonToronto

SEN - YYZ

SENYYZ

London Southend

Wed 29/4

16:50-17:10

1 stop29h 20m

Toronto Pearson Intl

Sun 10/5

23:45-19:35

1 stop14h 50m

£459

LondonToronto

SEN - YYZ

SENYYZ

London Southend

Fri 1/5

16:55-17:10

1 stop29h 15m

Toronto Pearson Intl

Sun 17/5

23:45-19:35

1 stop14h 50m

£522

LondonMontreal

SEN - YUL

SENYUL

London Southend

Thu 11/12

18:05-12:40

1 stop23h 35m

Montreal Pierre Elliott Trudeau Intl

Wed 15/4

20:25-12:45

1 stop11h 20m

£532

LondonToronto

SEN - YYZ

SENYYZ

London Southend

Sun 24/5

07:25-14:25

1 stop12h 00m

Toronto Pearson Intl

Sat 6/6

21:05-10:35

1 stop32h 30m

£533

LondonToronto

SEN - YYZ

SENYYZ

London Southend

Thu 14/5

17:15-15:15

1 stop27h 00m

Toronto Pearson Intl

Sat 23/5

21:05-15:10

1 stop13h 05m

£536

LondonToronto

SEN - YYZ

SENYYZ

London Southend

Fri 27/2

10:00-07:10

2 stops26h 10m

Toronto Pearson Intl

Sun 8/3

22:05-22:05

2 stops20h 00m

£544

LondonMontreal

SEN - YUL

SENYUL

London Southend

Tue 12/5

06:20-17:20

1 stop16h 00m

Montreal Pierre Elliott Trudeau Intl

Sat 16/5

18:50-10:20

1 stop10h 30m

£551

Flights are sorted by cheapest return flights first.

Deals found on 26/11

Showing 1-10 of 51 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 Pearson Intl flights
Heathrow to Vancouver Intl flights
Gatwick to Pearson Intl flights
Heathrow to Toronto Island flights
Heathrow to Calgary flights
London City to Pearson Intl flights
Heathrow to Pierre Elliott Trudeau Intl flights
Gatwick to Vancouver Intl flights
Luton to Pearson Intl flights
Stansted to Pearson Intl flights
London City to Vancouver Intl flights
Gatwick to Toronto Island flights
Heathrow to Abbotsford flights
Gatwick to Calgary flights
Gatwick to Pierre Elliott Trudeau Intl flights
London City to Calgary flights
London City to Pierre Elliott Trudeau Intl flights
Stansted to Pierre Elliott Trudeau Intl flights
Luton to Pierre Elliott Trudeau Intl flights
Heathrow to Halifax flights
Luton to Calgary flights
Heathrow to Edmonton flights
Heathrow to Ottawa flights
Stansted to Vancouver Intl flights
Gatwick to Ottawa flights
Luton to Vancouver Intl flights
Heathrow to Victoria flights
London City to Ottawa flights
Gatwick to Edmonton flights
Gatwick to Halifax flights
Stansted to Calgary flights
London City to Halifax flights
London City to Edmonton flights
Heathrow to Winnipeg flights
Gatwick to Winnipeg flights
Gatwick to Abbotsford flights
Southend to Pearson Intl flights
Heathrow to Kelowna flights
Gatwick to Victoria flights
Heathrow to Québec City flights
Heathrow to St. John's flights
London City to Abbotsford flights
Heathrow to Moncton flights
Stansted to Ottawa flights
London City to Kelowna flights
London City to Québec City flights
Gatwick to Kelowna flights
London City to Winnipeg 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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