Cheap flights from Calgary to London
Cheap return flights from Calgary to London
Find the best deals
All prices shown are per person based on return flights only. Prices found in the last 48 hours.
London flight facts
What you need to know
What are the cheapest airlines?
- WestJet
- Air Canada
- British Airways
These airlines usually offer the cheapest flights from Calgary to London.
What airlines fly indirectly?
- Lufthansa
- KLM
- United Airlines
These airlines fly from Calgary to London, but you’ll have at least one layover.
How long is the flight?
8 hours 30 minutes
This is the shortest flight time from Calgary to London.
Alternative flights from the UK to London
Check out prices for other routes
Alternative flights from Calgary
You might find cheaper flights nearby
Today alone, Netflights has searched over five flights. 05 / Feb / 2026 is currently the lowest priced day of the year to fly the Calgary/London route. There are around 35 flights on any given week from the UK to London and the cheapest month to fly right now is February. Not suitable? Try running another search or viewing all cheap flight deals.
How to get cheap flights from Calgary to London
Tips and advice from our flight experts
You've searched for flights from Calgary to London. We've found 25 flights and compared them to give you the best offers. On average, WestJet is the cheapest airline for this route, so keep an eye out for them. The cheapest offer we've found is a one-way ticket for Calgary to London on 14/07/2026 at 04:25 for £37.
We've scanned hundreds of airfares from dozens of airlines across the globe. In total, we've found 15 airlines that operate the 7,200 km flight from Calgary to London.
To find the best offers, consider booking 2-3 months in advance or looking for last-minute deals. Flying during the off-peak season can also save you money. WestJet is a popular and affordable choice for this route, with an average flight duration of 8 hours 30 minutes. After selecting an offer, fill out your information and proceed to payment. Don't forget to check out our hotel booking options or our flight + hotel service to save time and money!
Other popular destinations near London
Where other people are flying to
