Cheap flights from Calgary to London
from 278 US$
From 509 USD — compare hundreds of airlines
The cheapest month is usually 2026-09 · 278 US$
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About this route
Compare flights from Calgary to London, a about 7,033 km route (around 9h 17m nonstop). We gather live prices from hundreds of airlines and agencies so you can find the cheapest and book on the official site, with no hidden fees. Direct flights are available. Airlines such as American Airlines, Air Canada, British Airways operate this route.
When to buy and when to fly
Prices by date
Fares found by date — cheapest days in green.
How to get the best price
Airlines on this route
FAQ
What's the cheapest month to fly Calgary to London?
It's usually 2026-09, from 278 USD. Use the price calendar to compare other dates.
How long is the flight from Calgary to London?
A nonstop flight takes about 9h 17m and covers around 7,033 km. Connecting itineraries take longer.
Are there direct flights from Calgary to London?
Yes, this route has nonstop flights. Filter by "nonstop" to see them.
Which airlines fly from Calgary to London?
American Airlines, Air Canada, British Airways, Iberia operate this route, among others. Compare them all in the results.
When should I book Calgary–London flights?
As a rule of thumb, booking 3–8 weeks ahead and avoiding weekends and holidays tends to give the best prices. Use the calendar to spot the cheapest dates.
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Calgary → London · Live fares from 100+ sites — free, with no hidden fees.