Popular in | June |
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Cheapest in | January |
Round-trip from | $643 |
One-way from | $564 |
Friday flights are found to be more expensive to fly from Ontario to London. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to London.
To save on the cost of your flight from Ontario to London, book at least 59 days before your planned departure. Booking around this time can save you about 58% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $896 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $1,251.
Our data shows that October tends to be the cheapest month to fly to London from Ontario. Users have commonly found prices around $787 for the month, but tickets can be as low as $419. Due to multiple factors, prepare for potentially higher prices in June.
It’s optimal to fly from Ontario to London at noon. By choosing this option you can save up to 17% on the cost of your flight, compared to a flight in the morning.
Fly from
Fly to
Budget
$637 - $723
Route
Depart
Return
Price
OntarioLondon Gatwick
ONT - LGW
ONTLGW
Ontario
Wed 10/9
2 stops19h 00m
London Gatwick
Wed 10/23
2 stops18h 28m
OntarioLondon Heathrow
ONT - LHR
ONTLHR
Ontario
Tue 9/24
1 stop12h 05m
London Heathrow
Fri 10/25
1 stop15h 18m
OntarioLondon Heathrow
ONT - LHR
ONTLHR
Ontario
Tue 10/29
1 stop14h 04m
London Heathrow
Fri 11/8
1 stop19h 33m
OntarioLondon Heathrow
ONT - LHR
ONTLHR
Ontario
Tue 10/22
1 stop13h 44m
London Heathrow
Fri 11/1
1 stop16h 48m
OntarioLondon Heathrow
ONT - LHR
ONTLHR
Ontario
Tue 10/22
2 stops17h 15m
London Heathrow
Tue 10/29
2 stops26h 29m
OntarioLondon Heathrow
ONT - LHR
ONTLHR
Ontario
Mon 10/21
2 stops41h 20m
London Heathrow
Tue 10/29
2 stops39h 17m
OntarioLondon Heathrow
ONT - LHR
ONTLHR
Ontario
Wed 8/21
1 stop12h 18m
London Heathrow
Tue 8/27
1 stop13h 12m
OntarioLondon Heathrow
ONT - LHR
ONTLHR
Ontario
Tue 8/27
1 stop13h 14m
London Heathrow
Tue 9/3
1 stop14h 48m
OntarioLondon Heathrow
ONT - LHR
ONTLHR
Ontario
Sun 10/6
1 stop19h 20m
London Heathrow
Sun 10/13
2 stops19h 06m
Currently, November is the cheapest month in which you can book a flight from Ontario to London (average of $653). Flying from Ontario to London in June is currently the most expensive (average of $1,165). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
January
$674
February
$663
March
$715
April
$692
May
$738
June
$1,165
July
$984
August
$777
September
$746
October
$711
November
$653
December
$672
LON Temperature | 39.2 - 62.6 °F |
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Entertainment
Crew
Overall
Comfort
Boarding
Food
Reviews
Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin
Entertainment
Crew
Overall
Comfort
Boarding
Food
Reviews
Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin
Entertainment
Crew
Overall
Comfort
Boarding
Food
Reviews
Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin
Entertainment
Crew
Overall
Comfort
Boarding
Food
Reviews
Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin
Entertainment
Crew
Overall
Comfort
Boarding
Food
Reviews
Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin
Deals for Ontario to London 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.
Cheapflights simply makes it quick and affordable to book flights from Ontario to London 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.
Yes, we can. To see specific flights from Ontario to London with no change fees, users can toggle flexible booking options after using the search form above to find flights.
Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!