Find flights
When to book

Cheap flights from London Southend Airport to Ontario from C$ 476

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 6/2. Fares are subject to change and may not be available on all flights or dates of travel.
SEN — YYZ
3 Dec — 10 Dec1
1 adult
1 adult, Economy, 0 bags

Find flight deals from Southend to Ontario

Enter your travel dates to find the best prices.

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 3 November 2025.

Thu 4/126:05 p.m.SEN - YUL
1 stop23h 35mMultiple Airlines
Thu 11/128:10 p.m.YUL - SEN
1 stop11h 40mMultiple Airlines
Deal found 2/11C$ 772
Wed 5/117:10 a.m.SEN - YUL
2 stops33h 50mMultiple Airlines
Sun 9/116:00 p.m.YUL - SEN
1 stop11h 30mMultiple Airlines
Deal found 2/11C$ 797
Wed 26/117:10 a.m.SEN - YUL
1 stop13h 35mMultiple Airlines
Wed 3/128:10 p.m.YUL - SEN
2 stops19h 50mMultiple Airlines
Deal found 1/11C$ 821
Wed 3/127:10 a.m.SEN - YYZ
2 stops16h 05mMultiple Airlines
Wed 10/127:40 p.m.YYZ - SEN
2 stops20h 20mMultiple Airlines
Deal found 1/11C$ 843
Mon 24/117:15 a.m.SEN - YYZ
2 stops18h 15mMultiple Airlines
Thu 27/115:00 p.m.YYZ - SEN
2 stops14h 50mMultiple Airlines
Deal found 31/10C$ 884
Wed 26/117:10 a.m.SEN - YUL
1 stop13h 35mMultiple Airlines
Sat 6/129:30 p.m.YUL - SEN
1 stop18h 20mMultiple Airlines
Deal found 1/11C$ 894
Mon 8/127:15 a.m.SEN - YUL
1 stop13h 30mMultiple Airlines
Thu 8/14:45 p.m.YUL - SEN
2 stops15h 05mMultiple Airlines
Deal found 2/11C$ 940
Thu 11/126:05 p.m.SEN - YUL
1 stop23h 35mMultiple Airlines
Sat 10/18:10 p.m.YUL - SEN
1 stop19h 40mMultiple Airlines
Deal found 2/11C$ 971
Sun 28/126:05 p.m.SEN - YUL
1 stop21h 40mMultiple Airlines
Sun 11/16:20 p.m.YUL - SEN
1 stop11h 10mMultiple Airlines
Deal found 1/11C$ 986
Thu 6/116:05 p.m.SEN - YUL
1 stop30h 35mMultiple Airlines
Thu 20/118:10 p.m.YUL - SEN
1 stop11h 40mMultiple Airlines
Deal found 1/11C$ 989
Wed 19/117:10 a.m.SEN - YYZ
1 stop12h 40mMultiple Airlines
Sat 29/116:30 p.m.YYZ - SEN
2 stops21h 20mMultiple Airlines
Deal found 30/10C$ 1,003
Fri 28/1110:00 a.m.SEN - YUL
1 stop14h 40mMultiple Airlines
Thu 4/128:10 p.m.YUL - SEN
1 stop11h 40mMultiple Airlines
Deal found 1/11C$ 1,018

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 3 November 2025.

Round-trip from

C$ 754

One-way from

C$ 476

Popular in

December

Cheapest in

February

Average price

C$ 742
6/4-16/4
  • 6/4-16/4
  • 2 total stops
  • 45h 05m total
  • London to Ontario
Search Deals
6/2
  • 6/2
  • 1 total stop
  • 14h 40m total
  • London to Ontario
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (C$ 58 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 33 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

Cheapflights Fare Finder

 
Customize 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 629,999 searches. Data last updated 3 November 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

Mon 6/4

11:05 a.m.-12:50 p.m.

1 stop30h 45m

Montreal Pierre Elliott Trudeau Intl

Thu 16/4

8:25 p.m.-3:45 p.m.

1 stop14h 20m

C$ 754

LondonMontreal

SEN - YUL

SENYUL

London Southend

Thu 4/12

6:05 p.m.-12:40 p.m.

1 stop23h 35m

Montreal Pierre Elliott Trudeau Intl

Thu 11/12

8:10 p.m.-12:50 p.m.

1 stop11h 40m

C$ 772

LondonMontreal

SEN - YUL

SENYUL

London Southend

Wed 26/11

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

1 stop13h 35m

Montreal Pierre Elliott Trudeau Intl

Wed 3/12

8:10 p.m.-9:00 p.m.

2 stops19h 50m

C$ 821

LondonToronto

SEN - YYZ

SENYYZ

London Southend

Wed 3/12

7:10 a.m.-6:15 p.m.

2 stops16h 05m

Toronto Pearson Intl

Wed 10/12

7:40 p.m.-9:00 p.m.

2 stops20h 20m

C$ 843

LondonMontreal

SEN - YUL

SENYUL

London Southend

Fri 1/5

4:15 p.m.-11:35 a.m.

1 stop24h 20m

Montreal Pierre Elliott Trudeau Intl

Sun 10/5

6:50 p.m.-10:25 a.m.

1 stop10h 35m

C$ 856

LondonToronto

SEN - YYZ

SENYYZ

London Southend

Mon 24/11

7:15 a.m.-8:30 p.m.

2 stops18h 15m

Toronto Pearson Intl

Thu 27/11

5:00 p.m.-12:50 p.m.

2 stops14h 50m

C$ 884

LondonMontreal

SEN - YUL

SENYUL

London Southend

Wed 26/11

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

1 stop13h 35m

Montreal Pierre Elliott Trudeau Intl

Sat 6/12

9:30 p.m.-8:50 p.m.

1 stop18h 20m

C$ 894

LondonMontreal

SEN - YUL

SENYUL

London Southend

Mon 8/12

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

1 stop13h 30m

Montreal Pierre Elliott Trudeau Intl

Thu 8/1

4:45 p.m.-12:50 p.m.

2 stops15h 05m

C$ 940

LondonMontreal

SEN - YUL

SENYUL

London Southend

Wed 11/2

7:10 a.m.-3:20 p.m.

1 stop13h 10m

Montreal Pierre Elliott Trudeau Intl

Sun 15/2

5:00 p.m.-10:30 a.m.

1 stop12h 30m

C$ 940

LondonMontreal

SEN - YUL

SENYUL

London Southend

Thu 11/12

6:05 p.m.-12:40 p.m.

1 stop23h 35m

Montreal Pierre Elliott Trudeau Intl

Sat 10/1

8:10 p.m.-8:50 p.m.

1 stop19h 40m

C$ 971

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/11

Showing 1-10 of 42 results
1
2
3
...
5

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 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 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.

  • 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 vacation 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.

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.
Heathrow to Pearson Intl flights
Gatwick to Pearson Intl flights
Heathrow to Vancouver Intl flights
London City to Pearson Intl flights
Stansted to Pearson Intl flights
Heathrow to Calgary flights
Luton to Pearson Intl flights
Heathrow to Pierre Elliott Trudeau Intl flights
Gatwick to Vancouver Intl flights
London City to Vancouver Intl flights
Gatwick to Calgary flights
Heathrow to Abbotsford flights
Gatwick to Pierre Elliott Trudeau Intl flights
London City to Calgary flights
London City to Pierre Elliott Trudeau Intl flights
Luton to Pierre Elliott Trudeau Intl flights
Stansted to Pierre Elliott Trudeau Intl flights
Heathrow to Halifax flights
Luton to Calgary flights
Luton to Vancouver Intl flights
Heathrow to Ottawa flights
Southend to Pearson Intl flights
Gatwick to Ottawa flights
Southend to Pierre Elliott Trudeau Intl flights
Heathrow to Victoria flights
Heathrow to Edmonton flights
Stansted to Calgary flights
Gatwick to Edmonton flights
Gatwick to Halifax flights
Heathrow to London flights
Heathrow to Winnipeg flights
Gatwick to Winnipeg flights
Gatwick to Victoria flights
Gatwick to St. John's flights
Gatwick to Kelowna flights
Heathrow to Hamilton flights
Stansted to Ottawa flights

Fly with Cheapflights

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 Southend to Ontario?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Ontario from Southend today with Cheapflights!

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

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Ontario from Southend.

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

Need flexible booking options for your flight to Ontario from Southend? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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

Yes, Cheapflights offers price alerts on Southend to Ontario flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the 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.