In terms of precipitation, rainfall in London Southend Airport ranges from 40.0 - 70.0 mm 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?

When deciding which route to take from Region of Ontario to London Southend Airport consider Montreal Pierre Elliott Trudeau Intl - London Southend, Toronto Pearson Intl - London Southend or Ottawa - London Southend as they are the most popular.

How far in advance should I book a flight from Region of Ontario to London Southend Airport?

Users have found that booking a flight from Region of Ontario to London Southend Airport at least 50 days early can save you up to 14% on average compared to booking a flight this week. If booking 50 days before your flight isn’t an option for you, users have found flights from Region of Ontario to London Southend Airport for as little as C$ 828 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as C$ 1,142 for flights departing within the next 3 days.

What is the cheapest month to fly from Region of Ontario to London Southend Airport?

February can be a great time to fly to London Southend Airport from Region of Ontario with a flight ticket averaging about C$ 862. Cheapflights users have found deals in the month of February for as cheap as C$ 529. The most expensive prices can be found in the month of December.

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 vacation 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.

C$ 350+ Flights from Ontario to London Southend Airport

Cheap flight deals from Ontario to Southend

Round-trip from	C$ 824
One-way from	C$ 350
Popular in	December
Cheapest in	February
Average price	C$ 857

20/11-30/11
2 total stops
36h 00m total
Ontario to London

Search Deals

20/10
2 total stops
37h 20m total
Ontario to London

Search Deals

Highest demand for flights based on searches. 4% potential increase in price (C$ 52 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease (C$ 37 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in September 2025

Search Deals

Find flight deals from Ontario to Southend

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 15 September 2025.

Thu 20/117:40 p.m.YUL - SEN

1 stop12h 55mMultiple Airlines

Sun 30/116:05 p.m.SEN - YUL

1 stop23h 05mMultiple Airlines

Deal found 13/9C$ 824

Thu 4/127:40 p.m.YUL - SEN

1 stop12h 55mMultiple Airlines

Thu 11/126:05 p.m.SEN - YUL

1 stop23h 05mMultiple Airlines

Deal found 14/9C$ 837

Thu 20/119:25 p.m.YUL - SEN

1 stop11h 10mMultiple Airlines

Mon 24/117:15 a.m.SEN - YUL

2 stops16h 05mMultiple Airlines

Deal found 14/9C$ 858

Wed 8/1011:45 p.m.YYZ - SEN

1 stop11h 55mMultiple Airlines

Wed 15/105:00 p.m.SEN - YYZ

1 stop29h 10mMultiple Airlines

Deal found 13/9C$ 873

Sun 28/911:45 p.m.YYZ - SEN

1 stop14h 50mMultiple Airlines

Wed 15/105:00 p.m.SEN - YYZ

1 stop29h 10mMultiple Airlines

Deal found 15/9C$ 875

Thu 18/99:30 p.m.YUL - SEN

1 stop13h 15mMultiple Airlines

Fri 10/104:15 p.m.SEN - YUL

1 stop24h 20mMultiple Airlines

Deal found 14/9C$ 876

Thu 23/106:50 p.m.YUL - SEN

1 stop15h 55mMultiple Airlines

Sun 23/116:05 p.m.SEN - YUL

1 stop23h 05mMultiple Airlines

Deal found 14/9C$ 896

Wed 1/106:45 a.m.YUL - SEN

2 stops33h 05mMultiple Airlines

Wed 8/108:15 p.m.SEN - YUL

2 stops23h 00mMultiple Airlines

Deal found 14/9C$ 902

Thu 2/106:50 p.m.YUL - SEN

1 stop15h 55mMultiple Airlines

Mon 6/1011:05 a.m.SEN - YUL

1 stop31h 55mMultiple Airlines

Deal found 13/9C$ 907

Thu 6/119:25 p.m.YUL - SEN

1 stop11h 10mMultiple Airlines

Mon 10/117:15 a.m.SEN - YUL

1 stop13h 30mMultiple Airlines

Deal found 14/9C$ 915

Thu 20/119:25 p.m.YUL - SEN

1 stop11h 10mMultiple Airlines

Wed 26/117:10 a.m.SEN - YUL

1 stop13h 35mMultiple Airlines

Deal found 14/9C$ 930

Tue 23/911:45 p.m.YYZ - SEN

1 stop14h 55mMultiple Airlines

Mon 29/94:55 p.m.SEN - YYZ

1 stop29h 15mMultiple Airlines

Deal found 13/9C$ 932

Best flights from Ontario to Southend
Discover carefully curated flight deals from Ontario to Southend that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 15 September 2025.

Thu 20/117:40 p.m.YUL - SEN

1 stop12h 55mMultiple Airlines

Sun 30/116:05 p.m.SEN - YUL

1 stop23h 05mMultiple Airlines

Deal found 13/9C$ 824

Thu 4/127:40 p.m.YUL - SEN

1 stop12h 55mMultiple Airlines

Thu 11/126:05 p.m.SEN - YUL

1 stop23h 05mMultiple Airlines

Deal found 14/9C$ 837

Wed 8/1011:45 p.m.YYZ - SEN

1 stop11h 55mMultiple Airlines

Wed 15/105:00 p.m.SEN - YYZ

1 stop29h 10mMultiple Airlines

Deal found 13/9C$ 873

Sun 28/911:45 p.m.YYZ - SEN

1 stop14h 50mMultiple Airlines

Wed 15/105:00 p.m.SEN - YYZ

1 stop29h 10mMultiple Airlines

Deal found 15/9C$ 875

Tue 30/911:45 p.m.YYZ - SEN

1 stop14h 55mMultiple Airlines

Wed 8/105:00 p.m.SEN - YYZ

1 stop29h 10mMultiple Airlines

Deal found 15/9C$ 893

Thu 13/119:25 p.m.YUL - SEN

1 stop11h 10mMultiple Airlines

Mon 17/117:15 a.m.SEN - YUL

1 stop13h 30mMultiple Airlines

Deal found 14/9C$ 907

Thu 20/119:25 p.m.YUL - SEN

1 stop11h 10mMultiple Airlines

Wed 26/117:10 a.m.SEN - YUL

1 stop13h 35mMultiple Airlines

Deal found 14/9C$ 930

Thu 6/118:55 p.m.YYZ - SEN

1 stop11h 40mMultiple Airlines

Wed 12/117:10 a.m.SEN - YYZ

1 stop12h 40mMultiple Airlines

Deal found 13/9C$ 937

Thu 6/117:40 p.m.YUL - SEN

1 stop12h 55mMultiple Airlines

Sun 9/116:05 p.m.SEN - YUL

1 stop23h 05mMultiple Airlines

Deal found 14/9C$ 950

Thu 4/125:00 p.m.YYZ - SEN

2 stops15h 35mMultiple Airlines

Mon 8/127:15 a.m.SEN - YYZ

1 stop12h 35mMultiple Airlines

Deal found 14/9C$ 962

Wed 1/106:45 a.m.YUL - SEN

2 stops33h 05mMultiple Airlines

Sun 5/105:30 p.m.SEN - YUL

2 stops32h 30mMultiple Airlines

Deal found 15/9C$ 963

Tue 30/911:45 p.m.YYZ - SEN

1 stop14h 55mMultiple Airlines

Fri 10/104:55 p.m.SEN - YYZ

1 stop29h 15mMultiple Airlines

Deal found 15/9C$ 969

Last-minute flights from Ontario to Southend
Discover last-minute flight deals from Ontario to Southend. Data last updated 15 September 2025 and is based on user searches.

Thu 18/99:05 p.m.YYZ - SEN

1 stop13h 40mMultiple Airlines

Thu 25/95:40 p.m.SEN - YYZ

2 stops43h 16mMultiple Airlines

Deal found 12/9C$ 1,080

Sat 20/99:30 p.m.YUL - SEN

1 stop31h 55mMultiple Airlines

Sat 4/107:20 a.m.SEN - YUL

1 stop32h 20mMultiple Airlines

Deal found 14/9C$ 1,401

Sun 21/96:50 p.m.YUL - SEN

1 stop10h 35mMultiple Airlines

Mon 29/911:05 a.m.SEN - YUL

1 stop14h 55mMultiple Airlines

Deal found 14/9C$ 1,046

Sun 21/96:50 p.m.YUL - SEN

1 stop10h 35mMultiple Airlines

Sun 28/95:30 p.m.SEN - YUL

2 stops32h 30mMultiple Airlines

Deal found 14/9C$ 1,156

Tue 23/911:45 p.m.YYZ - SEN

1 stop14h 55mMultiple Airlines

Mon 29/94:55 p.m.SEN - YYZ

1 stop29h 15mMultiple Airlines

Deal found 13/9C$ 932

Thu 25/99:30 p.m.YUL - SEN

2 stops13h 55mMultiple Airlines

Thu 2/105:40 p.m.SEN - YUL

1 stop22h 55mMultiple Airlines

Deal found 14/9C$ 1,257

Sun 28/911:45 p.m.YYZ - SEN

1 stop14h 50mMultiple Airlines

Sun 5/104:55 p.m.SEN - YYZ

1 stop29h 15mMultiple Airlines

Deal found 14/9C$ 1,021

Wed 1/109:05 p.m.YYZ - SEN

1 stop18h 45mMultiple Airlines

Wed 8/105:00 p.m.SEN - YYZ

1 stop29h 10mMultiple Airlines

Deal found 13/9C$ 1,200

Wed 1/109:05 p.m.YYZ - SEN

1 stop18h 45mMultiple Airlines

Wed 15/105:00 p.m.SEN - YYZ

1 stop29h 10mMultiple Airlines

Deal found 14/9C$ 1,206

Wed 8/1011:45 p.m.YYZ - SEN

1 stop11h 55mMultiple Airlines

Wed 15/105:00 p.m.SEN - YYZ

1 stop29h 10mMultiple Airlines

Deal found 13/9C$ 873

Wed 15/1011:45 p.m.YYZ - SEN

1 stop11h 55mMultiple Airlines

Wed 22/105:00 p.m.SEN - YYZ

1 stop29h 10mMultiple Airlines

Deal found 14/9C$ 1,010

Tue 28/106:05 p.m.YOW - SEN

2 stops21h 35mMultiple Airlines

Tue 4/117:35 a.m.SEN - YOW

2 stops20h 33mMultiple Airlines

Deal found 13/9C$ 1,107

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 15 September 2025.

Mon 20/1010:10 p.m.YYZ - SEN

2 stops37h 20mMultiple Airlines

Deal found 14/9C$ 350

Thu 16/1011:55 p.m.YYZ - SEN

2 stops41h 45mMultiple Airlines

Deal found 12/9C$ 353

Tue 7/1010:10 p.m.YYZ - SEN

2 stops41h 40mMultiple Airlines

Deal found 14/9C$ 364

Sat 18/1010:10 p.m.YYZ - SEN

2 stops33h 00mMultiple Airlines

Deal found 13/9C$ 365

Tue 21/1010:10 p.m.YYZ - SEN

2 stops19h 10mMultiple Airlines

Deal found 12/9C$ 367

Sun 12/108:15 p.m.YUL - SEN

3 stops34h 50mMultiple Airlines

Deal found 14/9C$ 368

Mon 13/1010:10 p.m.YYZ - SEN

2 stops37h 20mMultiple Airlines

Deal found 13/9C$ 371

Tue 14/1011:55 p.m.YYZ - SEN

2 stops39h 10mMultiple Airlines

Deal found 14/9C$ 374

Sun 5/108:15 p.m.YUL - SEN

3 stops34h 50mMultiple Airlines

Deal found 12/9C$ 376

Mon 6/1010:10 p.m.YYZ - SEN

2 stops43h 55mMultiple Airlines

Deal found 14/9C$ 385

Fri 17/1010:10 p.m.YYZ - SEN

2 stops44h 10mMultiple Airlines

Deal found 14/9C$ 393

Sun 28/96:50 p.m.YUL - SEN

1 stop10h 35mMultiple Airlines

Deal found 13/9C$ 397

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

MontrealLondon

YUL - SEN

YULSEN

Montreal Pierre Elliott Trudeau Intl

Thu 20/11

7:40 p.m.-1:35 p.m.

1 stop12h 55m

London Southend

Sun 30/11

6:05 p.m.-12:10 p.m.

1 stop23h 05m

C$ 824

MontrealLondon

YUL - SEN

YULSEN

Montreal Pierre Elliott Trudeau Intl

Thu 4/12

7:40 p.m.-1:35 p.m.

1 stop12h 55m

London Southend

Thu 11/12

6:05 p.m.-12:10 p.m.

1 stop23h 05m

C$ 837

TorontoLondon

YYZ - SEN

YYZSEN

Toronto Pearson Intl

Wed 8/10

11:45 p.m.-4:40 p.m.

1 stop11h 55m

London Southend

Wed 15/10

5:00 p.m.-5:10 p.m.

1 stop29h 10m

C$ 873

TorontoLondon

YYZ - SEN

YYZSEN

Toronto Pearson Intl

Sun 28/9

11:45 p.m.-7:35 p.m.

1 stop14h 50m

London Southend

Wed 15/10

5:00 p.m.-5:10 p.m.

1 stop29h 10m

C$ 875

TorontoLondon

YYZ - SEN

YYZSEN

Toronto Pearson Intl

Tue 30/9

11:45 p.m.-7:40 p.m.

1 stop14h 55m

London Southend

Wed 8/10

5:00 p.m.-5:10 p.m.

1 stop29h 10m

C$ 893

MontrealLondon

YUL - SEN

YULSEN

Montreal Pierre Elliott Trudeau Intl

Thu 13/11

9:25 p.m.-1:35 p.m.

1 stop11h 10m

London Southend

Mon 17/11

7:15 a.m.-3:45 p.m.

1 stop13h 30m

C$ 907

MontrealLondon

YUL - SEN

YULSEN

Montreal Pierre Elliott Trudeau Intl

Thu 20/11

9:25 p.m.-1:35 p.m.

1 stop11h 10m

London Southend

Wed 26/11

7:10 a.m.-3:45 p.m.

1 stop13h 35m

C$ 930

TorontoLondon

YYZ - SEN

YYZSEN

Toronto Pearson Intl

Thu 6/11

8:55 p.m.-1:35 p.m.

1 stop11h 40m

London Southend

Wed 12/11

7:10 a.m.-2:50 p.m.

1 stop12h 40m

C$ 937

MontrealLondon

YUL - SEN

YULSEN

Montreal Pierre Elliott Trudeau Intl

Thu 6/11

7:40 p.m.-1:35 p.m.

1 stop12h 55m

London Southend

Sun 9/11

6:05 p.m.-12:10 p.m.

1 stop23h 05m

C$ 950

TorontoLondon

YYZ - SEN

YYZSEN

Toronto Pearson Intl

Thu 4/12

5:00 p.m.-1:35 p.m.

2 stops15h 35m

London Southend

Mon 8/12

7:15 a.m.-2:50 p.m.

1 stop12h 35m

C$ 962

Flights are sorted by cheapest round-trip flights first.

Deals found on 14/9

Showing 1-10 of 49 results

...

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 round-trip 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

What are the most popular routes from Region of Ontario to London Southend Airport?
When deciding which route to take from Region of Ontario to London Southend Airport consider Montreal Pierre Elliott Trudeau Intl - London Southend, Toronto Pearson Intl - London Southend or Ottawa - London Southend as they are the most popular.
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 vacation 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

Brentford

Sutton

Hounslow

Slough

Marlow

Milton Keynes

Romford

Watford

Bedford

Luton

Southall

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Cheap flights from Ontario to London Southend Airport from C$ 350

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 20/10. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Ontario to Southend

Keep the following information in mind while searching for Ontario to Southend flight deals. Data was last updated 15 September 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find 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 15 September 2025.

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 15 September 2025.

Cheapflights Fare Finder

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

Have a flexible travel schedule? Discover the best time to fly to Southend from Ontario with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Ontario to London Southend Airport

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?

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

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Alternative routes for Ontario to Southend

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

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Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

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

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

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

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 15 September 2025.