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Cheap flights from London Southend Airport to Ontario from £249

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 10/10. Fares are subject to change and may not be available on all flights or dates of travel.
SEN — YYZ
13 Jul — 20 Jul1
1 adult

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 8 July 2025.

Round-trip from

£378

One-way from

£249

Popular in

August

Cheapest in

February

Average price

£505
18/9-28/9
  • 18/9-28/9
  • 2 total stops
  • 33h 30m total
  • London to Ontario
Search Deals
10/10
  • 10/10
  • 2 total stops
  • 36h 30m total
  • London to Ontario
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (£39 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 July 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 8 July 2025.

Thu 18/917:40SEN - YUL
1 stop22h 55mMultiple Airlines
Sun 28/918:50YUL - SEN
1 stop10h 35mMultiple Airlines
Deal found 7/7£378
Sun 7/916:55SEN - YYZ
1 stop29h 15mMultiple Airlines
Sun 28/923:45YYZ - SEN
1 stop14h 50mMultiple Airlines
Deal found 7/7£463
Thu 21/817:40SEN - YOW
1 stop26h 25mMultiple Airlines
Thu 28/817:15YOW - SEN
1 stop12h 15mMultiple Airlines
Deal found 7/7£2,251

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 8 July 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 18/9

17:40-11:35

1 stop22h 55m

Montreal Pierre Elliott Trudeau Intl

Sun 28/9

18:50-10:25

1 stop10h 35m

£378

LondonToronto

SEN - YYZ

SENYYZ

London Southend

Sun 7/9

16:55-17:10

1 stop29h 15m

Toronto Pearson Intl

Sun 28/9

23:45-19:35

1 stop14h 50m

£463

LondonOttawa

SEN - YOW

SENYOW

London Southend

Thu 21/8

17:40-15:05

1 stop26h 25m

Ottawa

Thu 28/8

17:15-10:30

1 stop12h 15m

£2,251

LondonToronto

SEN - YYZ

SENYYZ

London Southend

Fri 10/10

16:55-00:25

2 stops36h 30m

£249

LondonMontreal

SEN - YUL

SENYUL

London Southend

Mon 13/10

11:05-21:00

1 stop14h 55m

£251

LondonOttawa

SEN - YOW

SENYOW

London Southend

Thu 21/8

17:40-00:22

2 stops35h 42m

£384

Flights are sorted by cheapest return flights first.

Deals found on 6/7

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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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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