In terms of precipitation, rainfall in Region of Ontario ranges from 51.0 - 83.0 inches per month. June is typically the wettest month, when rainfall can reach 83.0 mm. February is typically the driest time to visit Region of Ontario when rainfall is around 51.0 mm.

If weather is an important factor for your trip to Region of Ontario, 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 21.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -6.0 C).

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.

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

When flying from London Southend Airport to Region of Ontario, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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.

£235+ Cheap Flights from London Southend Airport to Ontario

Cheap flight deals from Southend to Ontario

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

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 17 September 2026.

Wed 14/1016:50 -

1 stop29h 20m

Wed 21/1023:45 -

1 stop11h 55m

Deal found 14/9£439

Wed 7/1016:50 -

1 stop29h 20m

Wed 21/1023:45 -

1 stop11h 55m

Deal found 14/9£439

Mon 21/911:10 -

2 stops33h 50m

Sun 27/918:20 -

1 stop11h 10m

Deal found 13/9£461

Fri 6/1114:25 -

2 stops29h 45m

Sun 15/1116:40 -

2 stops16h 55m

Deal found 16/9£465

Sun 8/1115:55 -

1 stop27h 10m

Sun 22/1120:15 -

1 stop13h 20m

Deal found 14/9£468

Wed 28/1013:50 -

1 stop27h 50m

Wed 4/1120:10 -

1 stop17h 25m

Deal found 13/9£474

Sun 29/1115:55 -

1 stop27h 10m

Sun 6/1220:15 -

1 stop13h 20m

Deal found 14/9£481

Fri 30/1014:25 -

1 stop27h 15m

Wed 11/1120:10 -

1 stop17h 25m

Deal found 15/9£498

Wed 16/1207:10 -

2 stops16h 05m

Wed 23/1219:40 -

2 stops17h 55m

Deal found 16/9£522

Mon 2/1111:35 -

1 stop13h 10m

Thu 12/1118:30 -

1 stop17h 45m

Deal found 14/9£532

Wed 23/1207:10 -

2 stops15h 50m

Wed 30/1219:40 -

2 stops17h 55m

Deal found 15/9£538

Mon 21/920:05 -

2 stops29h 05m

Mon 5/1023:45 -

1 stop27h 10m

Deal found 16/9£541

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

Wed 14/1016:50 -

1 stop29h 20m

Wed 21/1023:45 -

1 stop11h 55m

Deal found 14/9£439

Wed 7/1016:50 -

1 stop29h 20m

Wed 21/1023:45 -

1 stop11h 55m

Deal found 14/9£439

Sun 8/1115:55 -

1 stop27h 10m

Sun 22/1120:15 -

1 stop13h 20m

Deal found 14/9£468

Fri 30/1014:25 -

1 stop27h 15m

Wed 11/1120:10 -

1 stop17h 25m

Deal found 15/9£498

Sun 11/1016:55 -

1 stop29h 15m

Sun 18/1023:45 -

1 stop14h 50m

Deal found 13/9£550

Mon 21/916:55 -

1 stop29h 15m

Sun 4/1023:45 -

1 stop14h 50m

Deal found 14/9£596

Sun 4/1016:55 -

1 stop29h 15m

Wed 14/1023:45 -

1 stop11h 55m

Deal found 12/9£596

Fri 4/1214:25 -

1 stop27h 15m

Sat 9/120:10 -

1 stop17h 35m

Deal found 13/9£602

Thu 31/1215:40 -

1 stop26h 00m

Sat 9/120:10 -

1 stop17h 35m

Deal found 15/9£627

Sun 27/916:55 -

1 stop29h 15m

Sun 11/1023:45 -

1 stop14h 50m

Deal found 13/9£642

Thu 8/1006:30 -

1 stop33h 55m

Thu 15/1018:50 -

1 stop13h 10m

Deal found 13/9£656

Thu 5/1115:40 -

1 stop26h 00m

Thu 12/1120:10 -

1 stop16h 05m

Deal found 12/9£657

Fri 6/1107:00 -

1 stop34h 30m

Sun 15/1120:15 -

1 stop13h 20m

Deal found 16/9£680

Sat 28/1107:15 -

1 stop12h 00m

Sat 5/1220:50 -

1 stop16h 20m

Deal found 13/9£712

Mon 12/1011:10 -

1 stop29h 25m

Mon 19/1023:45 -

1 stop27h 10m

Deal found 14/9£719

Wed 7/1016:50 -

1 stop29h 20m

Wed 14/1023:45 -

1 stop11h 55m

Deal found 15/9£733

Tue 29/1215:30 -

1 stop26h 00m

Sat 2/118:30 -

1 stop22h 45m

Deal found 15/9£745

Sun 15/1115:55 -

1 stop25h 45m

Sat 28/1118:30 -

1 stop22h 45m

Deal found 14/9£764

Sat 19/1206:50 -

1 stop34h 20m

Wed 30/1220:10 -

1 stop17h 25m

Deal found 16/9£770

Sat 31/1015:00 -

1 stop25h 00m

Sat 7/1118:30 -

1 stop22h 45m

Deal found 16/9£779

Thu 3/1215:40 -

1 stop26h 00m

Sat 5/1218:30 -

1 stop22h 45m

Deal found 12/9£781

Sun 18/1007:25 -

2 stops21h 55m

Sun 25/1018:25 -

1 stop17h 25m

Deal found 15/9£1,101

Find flight deals from Southend to Ontario

Round-trip from	£422
One-way from	£235
Popular in	August
Cheapest in	February
Average price	£429

1/3-14/3
2 total stops
43h 30m total
London to Ontario

Search Deals

5/11-31/12
1 total stop
33h 00m total
London to Ontario

Search Deals

Highest demand for flights based on searches. 10% potential increase in price (£41 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 September 2026

Search Deals

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonMontreal

SEN London Southend - YUL Montreal Pierre Elliott Trudeau Intl

SENYUL

London Southend

Sun 15/11

15:55-12:40

1 stop25h 45m

Montreal Pierre Elliott Trudeau Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£248

LondonMontreal

SEN London Southend - YUL Montreal Pierre Elliott Trudeau Intl

SENYUL

London Southend

Mon 9/11

11:35-12:40

1 stop30h 05m

Montreal Pierre Elliott Trudeau Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£248

LondonMontreal

SEN London Southend - YUL Montreal Pierre Elliott Trudeau Intl

SENYUL

London Southend

Mon 2/11

11:35-12:40

1 stop30h 05m

Montreal Pierre Elliott Trudeau Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£249

LondonMontreal

SEN London Southend - YUL Montreal Pierre Elliott Trudeau Intl

SENYUL

London Southend

Thu 17/12

07:00-12:10

1 stop34h 10m

Montreal Pierre Elliott Trudeau Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£264

LondonToronto

SEN London Southend - YYZ Toronto Pearson Intl

SENYYZ

London Southend

Sun 22/11

15:55-14:05

1 stop27h 10m

Toronto Pearson Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£269

LondonOttawa

SEN London Southend - YOW Ottawa

SENYOW

London Southend

Thu 5/11

15:40-00:01

2 stops37h 21m

Ottawa

Wed 31/12

00:00-06:00

Nonstop0h 00m

£280

LondonOttawa

SEN London Southend - YOW Ottawa

SENYOW

London Southend

Mon 2/11

11:35-00:01

2 stops41h 26m

Ottawa

Wed 31/12

00:00-06:00

Nonstop0h 00m

£286

LondonOttawa

SEN London Southend - YOW Ottawa

SENYOW

London Southend

Sun 8/11

15:55-00:01

2 stops37h 06m

Ottawa

Wed 31/12

00:00-06:00

Nonstop0h 00m

£299

LondonMontreal

SEN London Southend - YUL Montreal Pierre Elliott Trudeau Intl

SENYUL

London Southend

Wed 14/10

08:25-11:15

2 stops55h 50m

Montreal Pierre Elliott Trudeau Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£301

LondonMontreal

SEN London Southend - YUL Montreal Pierre Elliott Trudeau Intl

SENYUL

London Southend

Mon 21/9

20:05-20:10

2 stops29h 05m

Montreal Pierre Elliott Trudeau Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£302

Flights are sorted by cheapest return flights first.

Deals found on 16/9

Showing 1-10 of 49 resultsSorted by cheapest first

...

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.

SEN-YUL

SEN-YYZ

SEN-YOW

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

SEN-CAON

SEN-YUL

SEN-YYZ

SEN-YOW

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 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

Browse thousands of different options on Cheapflights for your next trip

Alternative routes

Complete your trip

Direct flights to Canada

Flights by cabin class

Other flight options

Popular flights

Alternative routes for Southend to Ontario

Heathrow to Pearson Intl flights

Heathrow to Vancouver Intl flights

Gatwick to Pearson Intl flights

Heathrow to Toronto Island flights

Stansted to Pearson Intl flights

London City to Pearson Intl flights

Heathrow to Calgary flights

Gatwick to Vancouver Intl flights

Heathrow to Pierre Elliott Trudeau Intl flights

Luton to Pearson Intl flights

London City to Vancouver Intl flights

Gatwick to Toronto Island flights

Stansted to Vancouver Intl flights

Heathrow to Abbotsford flights

Luton to Vancouver Intl flights

Gatwick to Calgary flights

London City to Calgary flights

London City to Pierre Elliott Trudeau Intl flights

Stansted to Pierre Elliott Trudeau Intl flights

Gatwick to Pierre Elliott Trudeau Intl flights

Luton to Pierre Elliott Trudeau Intl flights

Heathrow to Halifax flights

Stansted to Calgary flights

Luton to Calgary flights

Heathrow to Ottawa flights

Southend to Pearson Intl flights

Gatwick to Abbotsford flights

Gatwick to Ottawa flights

Heathrow to Winnipeg flights

Gatwick to Halifax flights

London City to Ottawa flights

Gatwick to Winnipeg flights

London City to Halifax flights

Heathrow to Victoria flights

Heathrow to Edmonton flights

London City to Winnipeg flights

Heathrow to Kelowna flights

Luton to Halifax flights

London City to Victoria flights

Gatwick to Victoria flights

Heathrow to Québec City flights

Heathrow to Comox flights

Stansted to Halifax flights

Gatwick to Edmonton flights

Heathrow to St. John's flights

Stansted to Winnipeg flights

Gatwick to Kelowna flights

Heathrow to Charlottetown flights

Fly with Cheapflights

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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

Cheap flights from London Southend Airport to Ontario from £235

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/11. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Southend to Ontario

Cheapest flights from Southend to OntarioExplore 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 17 September 2026.

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 17 September 2026.

Best flights from Southend to OntarioDiscover carefully curated flight deals from Southend to Ontario 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 Southend to Ontario 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 Southend to OntarioDiscover last-minute flight deals from Southend to Ontario. Data last updated 17 September 2026 and is based on user searches.

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

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

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

Find flight deals from Southend to Ontario

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

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

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.

Cheapflights Insights

Related info for your journey

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

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

How can I find direct flights from Southend to Ontario?

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

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 Southend to Ontario

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

Complete your trip

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

Direct flights to Canada

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

Search flights from Southend to Ontario by cabin class

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

Southend and Ontario flights

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

Popular flight searches

Check out other popular destinations found by fellow travellers in 2026

Fly with Cheapflights

How does Cheapflights help users find flights from Southend to Ontario?

Why should you use Cheapflights to find cheap flight tickets from Southend to Ontario?

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

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

100% Free

Book with Flexibility

Travel Smart

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 17 September 2026.

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

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