Prices are in Canadian Dollars.

Cheap flights from Ontario to London

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Boston (BOS)
London (LON)
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How to find the cheapest flight from
Ontario to London (LON)

How far in advance should I book a flight from Ontario to London?

Travellers have found it’s best to book a flight 52 days in advance to save up to 22% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 52 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Ontario to London 1-2 weeks in advance for as low as C$ 766, or C$ 874 for flights within the next 24 hours.

Cheap flights from Ontario to London in January, February 2021

12 Feb - 27 Feb
C$ 552pp
YYZ
Toronto Pearson Intl
TAP AIR PORTUGAL
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
TAP AIR PORTUGAL
 
1 STOP
YYZ
Toronto Pearson Intl
24 Feb - 3 Mar
C$ 566pp
YYZ
Toronto Pearson Intl
Multiple Airlines
Direct
LHR
London Heathrow
LHR
London Heathrow
Multiple Airlines
 
1 STOP
YYZ
Toronto Pearson Intl
3 Feb - 31 Mar
C$ 569pp
YYZ
Toronto Pearson Intl
Multiple Airlines
Direct
LHR
London Heathrow
LHR
London Heathrow
Virgin Atlantic
 
1 STOP
YYZ
Toronto Pearson Intl

Ontario to London 2021 flight deals

10 Apr - 24 Apr
C$ 519pp
YYZ
Toronto Pearson Intl
TAP AIR PORTUGAL
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
TAP AIR PORTUGAL
 
1 STOP
YYZ
Toronto Pearson Intl
3 Apr - 25 Apr
C$ 524pp
YYZ
Toronto Pearson Intl
TAP AIR PORTUGAL
 
1 STOP
LGW
London Gatwick
LGW
London Gatwick
TAP AIR PORTUGAL
 
1 STOP
YYZ
Toronto Pearson Intl
14 Mar - 25 Mar
C$ 524pp
YYZ
Toronto Pearson Intl
TAP AIR PORTUGAL
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
TAP AIR PORTUGAL
 
1 STOP
YYZ
Toronto Pearson Intl

Direct flights to London from Ontario

3 May - 17 May
C$ 540pp
YYZ
Toronto Pearson Intl
Air Transat
Direct
LGW
London Gatwick
LGW
London Gatwick
Air Transat
Direct
YYZ
Toronto Pearson Intl
10 May - 19 May
C$ 554pp
YYZ
Toronto Pearson Intl
Air Transat
Direct
LGW
London Gatwick
LGW
London Gatwick
Air Transat
Direct
YYZ
Toronto Pearson Intl
13 Jun - 23 Jun
C$ 566pp
YYZ
Toronto Pearson Intl
Air Transat
Direct
LGW
London Gatwick
LGW
London Gatwick
Air Transat
Direct
YYZ
Toronto Pearson Intl

Last minute flights from Ontario to London

3 Feb - 31 Mar
C$ 569pp
YYZ
Toronto Pearson Intl
Multiple Airlines
Direct
LHR
London Heathrow
LHR
London Heathrow
Virgin Atlantic
 
1 STOP
YYZ
Toronto Pearson Intl
3 Feb - 31 Mar
C$ 588pp
YYZ
Toronto Pearson Intl
Multiple Airlines
Direct
LHR
London Heathrow
LHR
London Heathrow
Air Canada
   
2 STOPS
YYZ
Toronto Pearson Intl
3 Feb - 31 Mar
C$ 589pp
YYZ
Toronto Pearson Intl
British Airways
Direct
LHR
London Heathrow
LHR
London Heathrow
British Airways
Direct
YYZ
Toronto Pearson Intl

One-way flights to London from Ontario

5:05 p.m. - 5:05 a.m.
Finnair
Direct
7h 00m
YYZ - LHR
Finnair
C$ 278
SnapTravelAir
9:10 a.m. - 2:00 a.m.
Multiple Airlines
1 stop
11h 50m
YYZ - LHR
Multiple Airlines
C$ 282
Lufthansa
4:50 p.m. - 5:10 a.m.
WestJet
Direct
7h 20m
YYZ - LGW
WestJet
C$ 283
CheapFlights

Related info for your journey

Flight FAQs

From Ontario to London

Can I find flights from Ontario to London for under C$ 636 on Cheapflights?

Yes, there are multiple flights from Ontario to London for under C$ 636. The cheapest flight booked recently is on TAP AIR PORTUGAL for just C$ 519, but on average you can expect to pay C$ 536.

What safety measures are being taken by airlines flying from Ontario to London to control the spread of COVID-19?

Delta is one of the many airlines that have implemented additional safety measures to control the spread of COVID-19. Airline carriers are regularly disinfecting and sanitizing their aircraft. Masks are provided and are mandatory while on board. Pre-flight testing for symptoms and antibodies, alongside socially-distanced seating (for a limited time) will work towards keeping travellers safer while flying from Ontario to London. Policies will vary by airline.

Which airlines flying from Ontario to London have flexible cancellations due to COVID-19?

Some of the carriers operating flights from Ontario to London that may be offering flexible cancellation policies are Air Canada, Air Transat, and WestJet. Our site will let you filter for all airlines offering greater flexibility due to COVID-19.

Are there direct flights from Ontario to London for under C$ 636 on Cheapflights?

Cheapflights has 20 direct flights from Ontario to London under C$ 636. A good price for a direct flight from Ontario to London is less than C$ 583.

Are there last-minute flights available from Ontario to London for under C$ 636?

There are currently 20+ open flights from Ontario to London within the next 7 days for less than C$ 636.

What are the most popular airlines that fly from Ontario to London?

The most popular airlines flying from Ontario to London are Major Airline, American Airlines and Air Canada. Something to consider prior to booking your flight.

What are the most popular routes from Ontario to London?

When deciding which route to take from Ontario to London consider Toronto Pearson Intl - London Heathrow, Toronto Pearson Intl - London Gatwick or Toronto Pearson Intl - London Luton as they are the most popular.

What are the cheapest flights from Ontario to London?

Looking at all options, your cheapest flight can be booked for C$ 338. While the most popular route (Toronto Pearson Intl - London Heathrow) can be booked for C$ 527 on average our data indicates C$ 1,511 when flying from Ontario to London

What are the most reliable airlines from Ontario to London?

Before booking your flight to London from Ontario, check out the most reliable airlines to get you to your destination on time: TAP AIR PORTUGAL (84%), American Airlines (84%), Aer Lingus( 84%).

How long is the flight from Ontario to London?

For as low as C$ 596, Air Canada can have you in London from Ontario in 6h 45m. Most flights are nonstop.

What are the cheapest airlines to flying from Ontario to London round-trip?

Currently priced at C$ 520, TAP AIR PORTUGAL will fly you from Ontario to London and back. In addition to TAP AIR PORTUGAL, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on Air Transat for as low as C$ 567.

What are the cheapest airlines to fly from Ontario to London one-way?

For one-way options, check prices for Air Transat. According to our data, you can fly for as low as C$ 249. Users have also found prices from C$ 270 and C$ 275 on Air Transat and WestJet, respectively.

Destination information for London

Today's exchange rate
C$ 1 = £0.58
Flight duration
7h 31m
Average temperature for January in London
9.0 °C
Avg rainfall for January in London
52.0 mm

Airports servicing

Chatham-Kent (XCM)
Fort Frances (YAG)
Sault Ste Marie (YAM)
Attawapiskat (YAT)
Fort Albany (YFA)
Kingston, Ontario (YGK)

Airports servicing London

Gatwick (LGW)
City (LCY)
Stansted (STN)
Luton (LTN)
Southend (SEN)

Top 10 airlines flying from Ontario to London

Airline Cheapest Average Flexibility On-time COVID-19 safety
WOW air
C$ 301 C$ 400 No cancel fee N/A

We couldn't confirm the COVID-19 safety measures taken by WOW air. Please check directly on their website for additional information.

Search WOW air flights
TAP AIR PORTUGAL
C$ 243 C$ 619 No cancel fee N/A
Search TAP AIR PORTUGAL flights
Aer Lingus
C$ 467 C$ 649 No cancel fee N/A
Search Aer Lingus flights
SWISS
C$ 496 C$ 676 No cancel fee 79%
Search SWISS flights
Brussels Airlines
C$ 544 C$ 708 No cancel fee N/A
Search Brussels Airlines flights
United Airlines
C$ 574 C$ 727 No cancel fee 69%
Search United Airlines flights
KLM
C$ 564 C$ 744 No cancel fee 75%
Search KLM flights
Delta
C$ 589 C$ 745 No cancel fee N/A
Search Delta flights
Virgin Atlantic
C$ 594 C$ 754 No cancel fee 72%
Search Virgin Atlantic flights
Iberia
C$ 562 C$ 765 No cancel fee 77%
Search Iberia flights
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