In terms of precipitation, rainfall in London Southend Airport ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London Southend Airport when rainfall is around 40.0 mm.

If weather is an important factor for your trip to London Southend Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

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

While some choose either Toronto Pearson Intl - London Southend or Ottawa - London Southend, Montreal Pierre Elliott Trudeau Intl - London Southend is the most popular route from Region of Ontario to London Southend Airport.

What is the cheapest time of day to fly from ON to SEN?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Region of Ontario to London Southend Airport as you normally would.

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.

£215+ Cheap Flights from Ontario to London Southend Airport

Cheap flight deals from Ontario to Southend

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

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 17 September 2026.

Thu 12/1119:40 -

2 stops21h 20m

Sun 15/1115:35 -

2 stops31h 40m

Deal found 12/9£417

Thu 12/1119:40 -

2 stops21h 20m

Sun 22/1115:35 -

2 stops31h 40m

Deal found 16/9£429

Sun 15/1120:15 -

1 stop13h 20m

Sun 22/1115:55 -

1 stop27h 10m

Deal found 16/9£430

Sun 22/1120:15 -

1 stop13h 20m

Sun 29/1115:55 -

1 stop27h 10m

Deal found 15/9£437

Sat 7/1120:10 -

1 stop17h 35m

Fri 13/1114:25 -

1 stop27h 15m

Deal found 14/9£445

Sun 15/1119:40 -

2 stops14h 10m

Sat 21/1107:15 -

2 stops16h 00m

Deal found 14/9£446

Wed 2/1220:10 -

1 stop17h 25m

Sun 6/1215:55 -

1 stop25h 45m

Deal found 14/9£447

Sat 14/1120:20 -

1 stop20h 55m

Sun 22/1117:15 -

2 stops23h 45m

Deal found 15/9£448

Sun 29/1120:15 -

1 stop13h 20m

Sun 6/1215:55 -

1 stop27h 10m

Deal found 12/9£448

Sun 6/1220:10 -

1 stop13h 25m

Sun 13/1215:55 -

1 stop23h 50m

Deal found 16/9£454

Wed 25/1120:10 -

1 stop17h 25m

Fri 4/1214:25 -

1 stop27h 15m

Deal found 12/9£466

Sat 17/1021:05 -

1 stop32h 25m

Thu 29/1019:00 -

1 stop24h 05m

Deal found 14/9£476

Best flights from Ontario to Southend
Discover carefully curated flight deals from Ontario to Southend that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 17 September 2026.

Sun 29/1120:15 -

1 stop13h 20m

Sun 6/1215:55 -

1 stop27h 10m

Deal found 12/9£448

Wed 25/1120:10 -

1 stop17h 25m

Fri 4/1214:25 -

1 stop27h 15m

Deal found 12/9£466

Sat 17/1021:05 -

1 stop32h 25m

Thu 29/1019:00 -

1 stop24h 05m

Deal found 14/9£476

Sun 28/220:15 -

1 stop13h 20m

Sun 7/315:55 -

1 stop27h 10m

Deal found 15/9£479

Sun 11/1023:45 -

1 stop14h 50m

Sun 18/1016:55 -

1 stop29h 15m

Deal found 13/9£511

Sun 4/1023:45 -

1 stop14h 50m

Sun 15/1115:55 -

1 stop27h 10m

Deal found 13/9£565

Thu 12/1120:10 -

1 stop16h 05m

Sun 15/1115:55 -

1 stop25h 45m

Deal found 17/9£585

Sun 13/1220:15 -

1 stop13h 20m

Sun 3/115:55 -

1 stop27h 10m

Deal found 13/9£618

Wed 7/1023:45 -

1 stop11h 55m

Wed 14/1016:50 -

1 stop29h 20m

Deal found 15/9£630

Tue 13/1018:50 -

1 stop22h 30m

Tue 20/1007:00 -

1 stop33h 25m

Deal found 13/9£645

Sat 3/1021:05 -

1 stop32h 25m

Thu 8/1017:15 -

1 stop27h 00m

Deal found 15/9£648

Sat 6/220:10 -

1 stop17h 35m

Sat 13/206:50 -

1 stop34h 20m

Deal found 15/9£649

Sat 14/1118:30 -

1 stop22h 45m

Sat 21/1106:50 -

1 stop34h 20m

Deal found 16/9£654

Wed 7/1021:05 -

1 stop10h 55m

Mon 19/1011:10 -

1 stop32h 15m

Deal found 13/9£657

Sun 4/1023:45 -

1 stop14h 50m

Sun 11/1016:55 -

1 stop29h 15m

Deal found 12/9£663

Sun 4/1023:45 -

1 stop14h 50m

Sun 18/1016:55 -

1 stop29h 15m

Deal found 15/9£666

Thu 8/1018:50 -

1 stop13h 10m

Tue 20/1007:00 -

1 stop33h 25m

Deal found 13/9£692

Mon 12/1023:45 -

1 stop27h 10m

Mon 19/1011:10 -

1 stop31h 50m

Deal found 12/9£730

Sat 23/120:10 -

1 stop17h 35m

Fri 5/214:25 -

1 stop27h 15m

Deal found 15/9£738

Sun 18/1018:50 -

1 stop10h 40m

Sun 25/1015:55 -

1 stop25h 45m

Deal found 16/9£741

Mon 12/1023:45 -

1 stop27h 10m

Wed 21/1008:25 -

1 stop13h 55m

Deal found 16/9£748

Wed 7/1018:20 -

1 stop22h 40m

Tue 20/1007:00 -

1 stop33h 25m

Deal found 15/9£758

Wed 7/1018:20 -

1 stop22h 40m

Mon 12/1011:10 -

1 stop29h 25m

Deal found 12/9£762

Find flight deals from Ontario to Southend

Round-trip from	£417
One-way from	£215
Popular in	December
Cheapest in	February
Average price	£476

12/11-15/11
4 total stops
53h 00m total
Ontario to London

Search Deals

3/10-31/12
2 total stops
31h 10m total
Ontario to London

Search Deals

Highest demand for flights based on searches. 1% potential increase in price (£5 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (£11 potential savings vs. average return price).

Search Deals

Average for round-trip flights in September 2026

Search Deals

Cheapflights Fare Finder

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 Montreal Pierre Elliott Trudeau Intl - SEN London Southend

YULSEN

Montreal Pierre Elliott Trudeau Intl

Mon 19/10

23:45-07:55

1 stop27h 10m

London Southend

Wed 31/12

00:00-18:00

Nonstop0h 00m

£223

MontrealLondon

YUL Montreal Pierre Elliott Trudeau Intl - SEN London Southend

YULSEN

Montreal Pierre Elliott Trudeau Intl

Tue 20/10

18:50-22:20

1 stop22h 30m

London Southend

Wed 31/12

00:00-18:00

Nonstop0h 00m

£226

MontrealLondon

YUL Montreal Pierre Elliott Trudeau Intl - SEN London Southend

YULSEN

Montreal Pierre Elliott Trudeau Intl

Mon 12/10

23:45-07:55

1 stop27h 10m

London Southend

Wed 31/12

00:00-18:00

Nonstop0h 00m

£227

TorontoLondon

YYZ Toronto Pearson Intl - SEN London Southend

YYZSEN

Toronto Pearson Intl

Sun 22/11

20:15-14:35

1 stop13h 20m

London Southend

Wed 31/12

00:00-18:00

Nonstop0h 00m

£228

TorontoLondon

YYZ Toronto Pearson Intl - SEN London Southend

YYZSEN

Toronto Pearson Intl

Sun 27/9

23:55-11:20

2 stops30h 25m

London Southend

Wed 31/12

00:00-18:00

Nonstop0h 00m

£235

TorontoLondon

YYZ Toronto Pearson Intl - SEN London Southend

YYZSEN

Toronto Pearson Intl

Sat 26/9

21:05-10:30

1 stop32h 25m

London Southend

Wed 31/12

00:00-18:00

Nonstop0h 00m

£242

MontrealLondon

YUL Montreal Pierre Elliott Trudeau Intl - SEN London Southend

YULSEN

Montreal Pierre Elliott Trudeau Intl

Wed 14/10

18:20-22:00

1 stop22h 40m

London Southend

Wed 31/12

00:00-18:00

Nonstop0h 00m

£246

TorontoLondon

YYZ Toronto Pearson Intl - SEN London Southend

YYZSEN

Toronto Pearson Intl

Sat 3/10

21:05-10:30

1 stop32h 25m

London Southend

Wed 31/12

00:00-18:00

Nonstop0h 00m

£257

MontrealLondon

YUL Montreal Pierre Elliott Trudeau Intl - SEN London Southend

YULSEN

Montreal Pierre Elliott Trudeau Intl

Mon 7/12

20:15-10:00

2 stops32h 45m

London Southend

Wed 31/12

00:00-18:00

Nonstop0h 00m

£259

TorontoLondon

YYZ Toronto Pearson Intl - SEN London Southend

YYZSEN

Toronto Pearson Intl

Thu 26/11

18:45-13:20

2 stops37h 35m

London Southend

Wed 31/12

00:00-18:00

Nonstop0h 00m

£260

Flights are sorted by cheapest return flights first.

Deals found on 14/9

Showing 1-10 of 50 resultsSorted by cheapest first

...

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.

YYZ-SEN

YUL-SEN

YOW-SEN

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

CAON-SEN

YYZ-SEN

YUL-SEN

YOW-SEN

No data available for this route at this time. Please check back soon.

Related info for your journey

What are the most popular routes from Region of Ontario to London Southend Airport?
While some choose either Toronto Pearson Intl - London Southend or Ottawa - London Southend, Montreal Pierre Elliott Trudeau 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

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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.

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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.

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Cheap flights from Ontario to London Southend Airport from £215

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/10. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Ontario to Southend

Cheapest flights from Ontario to SouthendExplore 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 17 September 2026.

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 17 September 2026.

Best flights from Ontario to SouthendDiscover carefully curated flight deals from Ontario to Southend that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 17 September 2026.

Discover carefully curated flight deals from Ontario to Southend that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 17 September 2026.

Last-minute flights from Ontario to SouthendDiscover last-minute flight deals from Ontario to Southend. Data last updated 17 September 2026 and is based on user searches.

Discover last-minute flight deals from Ontario to Southend. Data last updated 17 September 2026 and is based on user searches.

One-way flights from Ontario to SouthendSearch for one-way flight options from Ontario to Southend. Find affordable one-way fares based on user searches. Data last updated 17 September 2026.

Search for one-way flight options from Ontario to Southend. Find affordable one-way fares based on user searches. Data last updated 17 September 2026.

Find flight deals from Ontario to Southend

Round-trip from

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

Best time to book a flight from Ontario to Southend

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Cheapflights Insights

Related info for your journey

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

Can I find deals for flights from Ontario to Southend that include hotel bookings?

How can I find direct flights from Ontario to Southend?

Can I find deals for business class flights from Ontario to Southend?

Travelling to a place near London Southend Airport?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Ontario to Southend

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to Southend by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to England

Book a non-stop flight to one of these other cities located in England.

Search flights from Ontario to Southend by cabin class

Find flights from Ontario to Southend, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Ontario and Southend flights

Browse other Ontario and Southend flight options. Last updated on 17 September 2026.

Popular flight searches

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Other flights to Southend

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

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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 17 September 2026.

Best flights from Ontario to Southend
Discover carefully curated flight deals from Ontario to Southend that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 17 September 2026.

Last-minute flights from Ontario to Southend
Discover last-minute flight deals from Ontario to Southend. Data last updated 17 September 2026 and is based on user searches.

One-way flights from Ontario to Southend
Search for one-way flight options from Ontario to Southend. Find affordable one-way fares based on user searches. Data last updated 17 September 2026.