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Cheap flights from Ontario to London Southend Airport from £221

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 19/5. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — SEN
20 Apr — 27 Apr1
1 adult
1 adult, Economy, 0 bags

Cheap 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 21 March 2026.

Wed 15/420:25
YUL
-
SEN
1 stop11h 35m
Multiple Airlines
Thu 30/410:10
SEN
-
YUL
1 stop31h 40m
Multiple Airlines
Deal found 16/3£504
Sat 23/521:05
YYZ
-
SEN
1 stop32h 25m
Multiple Airlines
Mon 1/611:10
SEN
-
YYZ
1 stop32h 15m
Multiple Airlines
Deal found 20/3£507
Wed 15/423:45
YYZ
-
SEN
1 stop11h 55m
Multiple Airlines
Wed 22/416:50
SEN
-
YYZ
1 stop29h 20m
Multiple Airlines
Deal found 18/3£508
Sat 23/515:40
YYZ
-
SEN
2 stops13h 45m
Multiple Airlines
Sun 31/507:25
SEN
-
YYZ
1 stop12h 00m
Multiple Airlines
Deal found 18/3£513
Mon 4/523:45
YUL
-
SEN
1 stop27h 10m
Multiple Airlines
Tue 12/506:30
SEN
-
YUL
1 stop15h 50m
Multiple Airlines
Deal found 18/3£514
Mon 15/623:45
YUL
-
SEN
1 stop27h 10m
Multiple Airlines
Tue 23/606:30
SEN
-
YUL
1 stop15h 50m
Multiple Airlines
Deal found 17/3£514
Wed 27/521:05
YYZ
-
SEN
1 stop10h 55m
Multiple Airlines
Thu 11/610:10
SEN
-
YYZ
1 stop33h 15m
Multiple Airlines
Deal found 18/3£514
Sun 17/523:45
YYZ
-
SEN
1 stop14h 50m
Multiple Airlines
Wed 27/516:50
SEN
-
YYZ
1 stop29h 20m
Multiple Airlines
Deal found 16/3£515
Mon 4/523:45
YUL
-
SEN
1 stop27h 10m
Multiple Airlines
Mon 11/520:05
SEN
-
YUL
1 stop26h 15m
Multiple Airlines
Deal found 19/3£516
Wed 22/423:45
YYZ
-
SEN
1 stop11h 55m
Multiple Airlines
Wed 6/516:50
SEN
-
YYZ
1 stop29h 20m
Multiple Airlines
Deal found 19/3£516
Wed 15/423:45
YYZ
-
SEN
1 stop11h 55m
Multiple Airlines
Wed 29/416:50
SEN
-
YYZ
1 stop29h 20m
Multiple Airlines
Deal found 17/3£517
Wed 22/423:45
YYZ
-
SEN
1 stop11h 55m
Multiple Airlines
Mon 11/516:55
SEN
-
YYZ
1 stop29h 15m
Multiple Airlines
Deal found 18/3£517

Find flight deals from Ontario to Southend

Keep the following information in mind while searching for Ontario to Southend flight deals. Data was last updated 21 March 2026.

Round-trip from

£504

One-way from

£221

Popular in

December

Cheapest in

May

Average price

£458
15/4-30/4
  • 15/4-30/4
  • 2 total stops
  • 43h 15m total
  • Ontario to London
Search Deals
19/5
  • 19/5
  • 3 total stops
  • 37h 45m total
  • Ontario to London
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (£15 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 March 2026
Search Deals

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 21 March 2026.
Use the filters below to find and compare flights from Ontario to London Southend Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

MontrealLondon

YUL - SEN

YULSEN

Montreal Pierre Elliott Trudeau Intl

Mon 4/5

23:45-07:55

1 stop27h 10m

London Southend

Mon 11/5

20:05-17:20

1 stop26h 15m

£516

TorontoLondon

YYZ - SEN

YYZSEN

Toronto Pearson Intl

Wed 22/4

23:45-16:40

1 stop11h 55m

London Southend

Wed 13/5

16:50-17:10

1 stop29h 20m

£517

TorontoLondon

YYZ - SEN

YYZSEN

Toronto Pearson Intl

Wed 22/4

23:45-16:40

1 stop11h 55m

London Southend

Wed 29/4

16:50-17:10

1 stop29h 20m

£523

TorontoLondon

YYZ - SEN

YYZSEN

Toronto Pearson Intl

Wed 3/6

23:45-16:40

1 stop11h 55m

London Southend

Wed 17/6

16:50-17:10

1 stop29h 20m

£535

MontrealLondon

YUL - SEN

YULSEN

Montreal Pierre Elliott Trudeau Intl

Mon 18/5

23:45-07:55

1 stop27h 10m

London Southend

Wed 27/5

08:25-17:20

1 stop13h 55m

£554

TorontoLondon

YYZ - SEN

YYZSEN

Toronto Pearson Intl

Sun 3/5

23:45-19:35

1 stop14h 50m

London Southend

Mon 11/5

16:55-17:10

1 stop29h 15m

£566

TorontoLondon

YYZ - SEN

YYZSEN

Toronto Pearson Intl

Sat 2/5

21:05-10:30

1 stop32h 25m

London Southend

Sun 10/5

07:25-14:25

1 stop12h 00m

£574

MontrealLondon

YUL - SEN

YULSEN

Montreal Pierre Elliott Trudeau Intl

Sun 10/5

23:45-19:35

1 stop14h 50m

London Southend

Sat 16/5

16:50-17:20

1 stop29h 30m

£646

MontrealLondon

YUL - SEN

YULSEN

Montreal Pierre Elliott Trudeau Intl

Wed 12/8

18:50-16:40

1 stop16h 50m

London Southend

Thu 27/8

13:45-11:35

1 stop26h 50m

£674

MontrealLondon

YUL - SEN

YULSEN

Montreal Pierre Elliott Trudeau Intl

Mon 25/5

23:45-07:55

1 stop27h 10m

London Southend

Thu 4/6

10:10-14:00

1 stop32h 50m

£676

Flights are sorted by cheapest return flights first.

Deals found on 16/3

Showing 1-10 of 56 resultsSorted by cheapest first
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6

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 Montreal Pierre Elliott Trudeau Intl - London Southend or Ottawa - London Southend, Toronto Pearson 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
Wembley
Croydon
Luton
Hounslow
Slough
Gatwick
Ilford
Hayes
Brentford
Colchester
Guildford
Watford
Kingston upon Thames
Eastbourne
Romford
Ipswich
Bedford
Chelmsford
Southend-on-Sea

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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?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Ontario to Southend for you. Better yet — we are completely free to use.

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

Yes! Cheapflights helps users easily find flights from Ontario to Southend with no change fees.

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

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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