Cheap First Class flights to London
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Easily find flight tickets with no change feesLondon round-trip first class flight deals
Discover return first class flight deals to London. Fares were last updated on 26 April 2024. In the last 7 days, Cheapflights users made a total of 508,915 searches.
Toronto Pearson Intl
London Heathrow
1 stop
14h 00mLondon Heathrow
Toronto Pearson Intl
1 stop
21h 55mSWISS
Toronto Pearson Intl
London Heathrow
1 stop
14h 00mLondon Heathrow
Toronto Pearson Intl
1 stop
12h 00mSWISS
Toronto Pearson Intl
London Heathrow
1 stop
14h 00mLondon Heathrow
Toronto Pearson Intl
1 stop
12h 00mSWISS
Montreal Pierre Elliott Trudeau Intl
London Heathrow
1 stop
10h 15mLondon Heathrow
Montreal Pierre Elliott Trudeau Intl
1 stop
23h 55mSWISS
Montreal Pierre Elliott Trudeau Intl
London Heathrow
1 stop
10h 15mLondon Heathrow
Montreal Pierre Elliott Trudeau Intl
2 stops
18h 16mSWISS
When is the cheapest month to fly first class to London?
Identify the most economical month to book your first class flight to London. In the last 7 days, Cheapflights users made a total of 508,915 searches and data was last updated on 26 April 2024.
January
C$ 6,870
February
C$ 7,594
March
C$ 6,289
April
C$ 5,876
May
C$ 7,395
June
C$ 7,842
July
C$ 5,966
August
C$ 5,780
September
C$ 6,871
October
C$ 8,690
November
C$ 7,452
December
C$ 6,242
Currently, August is the cheapest month in which you can book a first class flight to London. Flying first class to London in October will prove the most costly. There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.