Skyscanner

Cheap Flights from Calgary to London Heathrow

Travellers and cabin class

Compare Calgary to London Heathrow flight deals

Find the cheapest month or even day of the year to fly to London Heathrow

Book the best London Heathrow fare with no extra fees

Flight deals from Calgary to London Heathrow

Looking for a cheap last-minute deal or the best return flight from Calgary to London Heathrow? Find the lowest prices on one-way and return tickets right here.
London.R 4,120 per passenger.Departing Mon, 20 Oct.One-way flight with WestJet.Outbound direct flight with WestJet departs from Calgary on Mon, 20 Oct, arriving in London Heathrow.Price includes taxes and charges.From R 4,120, select.
London.R 4,120 per passenger.Departing Sun, 2 Nov.One-way flight with WestJet.Outbound direct flight with WestJet departs from Calgary on Sun, 2 Nov, arriving in London Heathrow.Price includes taxes and charges.From R 4,120, select.
London.R 4,135 per passenger.Departing Mon, 9 Feb.One-way flight with WestJet.Outbound direct flight with WestJet departs from Calgary on Mon, 9 Feb, arriving in London Heathrow.Price includes taxes and charges.From R 4,135, select.
London.R 4,152 per passenger.Departing Sun, 7 Dec.One-way flight with WestJet.Outbound direct flight with WestJet departs from Calgary on Sun, 7 Dec, arriving in London Heathrow.Price includes taxes and charges.From R 4,152, select.
London.R 4,170 per passenger.Departing Wed, 28 Jan.One-way flight with WestJet.Outbound direct flight with WestJet departs from Calgary on Wed, 28 Jan, arriving in London Heathrow.Price includes taxes and charges.From R 4,170, select.
London.R 4,775 per passenger.Departing Sun, 1 Mar.One-way flight with WestJet.Outbound direct flight with WestJet departs from Calgary on Sun, 1 Mar, arriving in London Heathrow.Price includes taxes and charges.From R 4,775, select.
London.R 4,874 per passenger.Departing Mon, 18 Aug.One-way flight with WestJet.Outbound indirect flight with WestJet, departs from Calgary on Mon, 18 Aug, arriving in London Heathrow.Price includes taxes and charges.From R 4,874, select.
London.R 5,170 per passenger.Departing Sun, 13 Jul.One-way flight with WestJet.Outbound indirect flight with WestJet, departs from Calgary on Sun, 13 Jul, arriving in London Heathrow.Price includes taxes and charges.From R 5,170, select.

Find the cheapest month to fly from Calgary to London Heathrow

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Calgary to London Heathrow flights are currently cheapest in October.
Jun
from R 6,133
Jul
from R 5,170
Aug
from R 4,874
Sep
from R 5,278
Oct
from R 4,120
Nov
from R 4,120
Dec
from R 4,152
Jan
from R 4,170
Feb
from R 4,135
Mar
from R 4,775
Apr
from R 6,358
May
from R 6,416

Direct flights from Calgary to London Heathrow

Calgary to London Heathrow: Alternative routes

Compare routes from Calgary to London below. You may find an airport to fly into that's cheaper, faster, or easier than London Heathrow.

Calgary to London: Flight information

The things to know before you go.
Cheapest flight foundR 4,120
Cheapest month to flyNovember
Average flight time8 hrs, 42 mins
Most popular airlineUnited
Average flights per week77

Finding cheap flights from Calgary to London Heathrow: Frequently asked questions

The best price we found for a return flight from Calgary to London Heathrow is R 10,249. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
8 hours and 42 minutes is the average flight time from Calgary to London Heathrow.
United, WestJet and EgyptAir fly direct from Calgary to London Heathrow.
As of June 2025, there are 77 flights per week flying from Calgary to London Heathrow.
The cheapest month to fly from Calgary to London Heathrow is usually June 2025.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Calgary Airport to London Heathrow Airport on Friday, 17 October 2025.
Yes – the average flight time is 8 hours and 42 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to London Heathrow but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to London is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Virgin Atlantic and WestJet offer the cheapest flight tickets to London Heathrow.

Travelling from Calgary International Airport (YYC) to London Heathrow Airport (LHR): what you need to know

  • Around 8 hours 40 minutes is how long you can expect to be travelling on a direct flight from Calgary International Airport to London Heathrow Airport.

  • London is six hours ahead of Calgary and follows the UTC+0 timezone.

  • Flights from YYC to LHR start from 17:30 — the first with Air Canada. The last departure is at 22:00 with WestJet. In total, you can take your pick of 16 weekly Calgary International Airport to London Heathrow Airport flights.

  • Your YYC to LHR flight won't wait if you're late, so be at the airport on time. Arrive up to one hour in advance for domestic flights and two hours ahead when you're flying internationally.

  • Travelling during a peak month like July? Major public holidays and other high seasons can result in longer lines at security. Play things extra safe and get there up to four hours before an international flight and two hours before a domestic departure.

  • Travelling to London (and then exploring more of United Kingdom!) is easy with Air Canada. This popular carrier offers direct flights from Calgary International Airport to London Heathrow Airport.

  • The majority of travellers choose to travel with Air Canada on this route.

  • Air Canada is the most punctual carrier offering YYC to LHR flights, with 73.33% of its services arriving as scheduled.

How to find the cheapest flights from Calgary International Airport (YYC) to London Heathrow Airport (LHR)

  • The lowest price we've found for a one-way Calgary International Airport to London Heathrow Airport flight is R 4,120. A round-trip plane ticket is currently R 10,249. Depending on the availability and when you book, these fares may change.

  • To score cheap tickets from YYC to LHR, book your journey two months before your planned departure.

  • Organise your trip for January. That's the cheapest month for flights from Calgary International Airport to London Heathrow Airport. If you have flexibility with your dates, use the 'Whole month' tool to find the cheapest airfare across each month.

  • Spend less time searching for cheap flights from YYC to LHR by creating a Price Alert. We'll send you an email or push notification on the app when fares go down.

  • Discover the right flight for you by using the filters. To see the 'Fastest,' 'Best' or 'Cheapest' flights from Calgary International Airport to London Heathrow Airport, use the 'Sort by' tool. You can also filter results by airline, arrival and departure times, and journey duration.

Handy information about Calgary International Airport (YYC)

  • YYC is located at 2000 Airport Road Northeast.

  • 65.39% of flights that depart Calgary International Airport make it to their destination on schedule.

  • Calgary International Airport is about 16 kilometres from central Calgary. If you're driving, ride-sharing or catching a cab from the centre, it'll take 20 minutes or so to arrive, depending on the traffic.

  • Planning to take public transport? Expect a trip time of around 1 hour.

  • Searching for a convenient hotel close to YYC? If you've booked an early flight from Calgary International Airport to London Heathrow Airport, these stays will have you moments from your departure lounge:

Arriving at London Heathrow Airport (LHR)

Getting from London Heathrow Airport (LHR) to central London

  • London Heathrow Airport is roughly 31 kilometres from central London. The drive time takes around 55 minutes.

  • If you're using public transport, expect a journey time of roughly 1 hour.

When to fly to London Heathrow Airport (LHR)

  • The quietest month for a flight from Calgary International Airport to London Heathrow Airport is February, while July is the most popular. Pick the ideal time to go to London based on whether you prefer a faster pace or a more relaxed vibe.

  • Lock in your flight from Calgary International Airport to London Heathrow Airport for July if you want to visit London during its warmest month. Expect temperatures of between 11ºC (52ºF) and 26ºC (79ºF).

  • Search for cheap tickets from YYC to LHR in January if you like travelling in cooler conditions. Temperatures are at their lowest around then, ranging between 0ºC (32ºF) and 9ºC (48ºF) on average.

Explore more of United Kingdom

  • Birmingham is just one of the many places in United Kingdom waiting to be discovered once you've seen the sights of London. Around 161 kilometres away to the north-west, check out popular attractions including Cadbury World, The Library of Birmingham and National Sea Life Centre.

  • Bristol is another favourite destination in United Kingdom and is around 177 kilometres west of London. No trip is complete without seeing Clifton Suspension Bridge, Cabot Tower and Brandon Hill Nature Park.

Plan the rest of your trip from Calgary to London

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.