From
Calgary International
Calgary
To
London Heathrow
London
Approximate flight time: 8h 30m
Airlines operating this route
WestJet offers direct 787 service. Book 8-12 weeks ahead.
The best months to fly from Calgary to London are:
Book 4-8 weeks in advance for the best prices. Prices typically increase closer to departure dates, especially during peak travel seasons.
Low Season
$799
Peak Season
$959
Prices are per person for round-trip economy class tickets. Actual prices vary based on dates, airline, and availability.
London, one of the world's most visited cities, offers an unmatched blend of history, culture, and modernity. Heathrow Airport is one of the busiest international airports, with excellent connections to central London via the Elizabeth Line and Heathrow Express.
From Buckingham Palace and the Tower of London to world-class museums (many free), West End theatre, and incredible dining, London has something for everyone. The Oyster card makes navigating the Tube effortless.
Best visited April through October for warmer weather. December is magical with Christmas markets and lights. Book accommodation early for peak summer and holiday seasons.
Calgary International (YYC) is a growing hub, especially for WestJet. The airport has an international and domestic terminal connected by a walkway.
The airport is about 20 minutes from downtown by car. The BRT Route 300 bus connects to the CTrain system for access to downtown.
Calgary's proximity to the Rocky Mountains makes it a popular gateway for Banff and Lake Louise.
The cheapest flights from Calgary (YYC) to London (LHR) start from approximately $799 for economy class. Prices vary by season, booking date, and airline. We recommend booking 4-8 weeks in advance for the best fares.
Direct flights from Calgary to London take approximately 8 hours and 30 minutes. Connecting flights may take longer depending on the stopover duration and routing.
Airlines operating the YYC to LHR route include WestJet, Air Canada, British Airways. Each airline offers different service levels, baggage policies, and loyalty programs. We compare all options to find you the best deal.
The most popular months to fly from Calgary to London are June, July, August, December. WestJet offers direct 787 service. Book 8-12 weeks ahead.
Verified Pricing
All prices checked in real-time
24/7 Support
Help when you need it
Best Price Guarantee
We'll match any lower price