Cheap flights from Calgary to London Heathrow Airport
YYC — LHR
24 Aug — 31 Aug1
Return
1 adult
Economy
Cheapflights Tip: The best prices from Calgary to London Heathrow are usually found in February or January, booked 72 days in advance, depart on a Saturday or Thursday and return on a Friday
Cheap flight deals from Calgary to Heathrow
Discover tips and strategies to find the most affordable flight options for your journey from Calgary (YYC) to Heathrow (LHR). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 19 August 2025.
Best time to book a flight from Calgary to Heathrow
Have a flexible travel schedule? Discover the best time to fly to Heathrow from Calgary with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Calgary to London Heathrow Airport
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How far ahead should I book a flight from Calgary to London Heathrow Airport?
Use this chart to determine the optimal time to book a return flight from Calgary to Heathrow. Price data was last updated on 8 August 2025.
To ensure you get the cheapest price possible for a flight from Calgary to London Heathrow Airport, you should look to book at least 72 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
What is the cheapest month to book a flight from Calgary to London Heathrow Airport?
Currently, January is the cheapest month in which you can book a flight from Calgary to London Heathrow Airport (average of £112). Flying from Calgary to London Heathrow Airport in August is currently the most expensive (average of £164). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from YYC to LHR?
Find hourly flight availability from Calgary to Heathrow. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 19 August 2025.
A simple way to save on the total cost of your ticket is to fly from Calgary to London Heathrow Airport in the afternoon. If you’re flexible enough to do this you can expect to save up to 29% on your trip compared to booking a flight at midday.
How much does it cost for a return flight from Calgary to London Heathrow Airport?
Weekly flight availability from Calgary to London Heathrow Airport
Explore weekly flight availability from Calgary to Heathrow. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 19 August 2025.
The most flights from YYC to LHR are scheduled on a Tuesday (12 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (11 on average).
What’s the top stopover airport for flights from Calgary to London Heathrow Airport?
Share of one-stop return flights from Calgary to London Heathrow Airport chosen by Cheapflights users in the past 12 months, using the same stopover each way.
Ottawa (YOW) – chosen by Cheapflights users on 33% of one-stop itineraries from Calgary to London Heathrow Airport on Cheapflights.
What’s the fastest stopover option from Calgary to London Heathrow Airport?
Shortest average travel time for one-stop one-way flights from Calgary to London Heathrow Airport, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.
Flights via Ottawa (YOW) have the shortest average one-way travel time for one-stop routes: 11h 35m.
What’s the fastest stopover option from Calgary to London Heathrow Airport?
Shortest average travel time for one-stop one-way flights from Calgary to London Heathrow Airport, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.
Flights via Ottawa (YOW) have the shortest average one-way travel time for one-stop routes: 11h 35m.
Which airport typically offers the quickest stopover for flights from Calgary to London Heathrow Airport?
Average stopover duration for one-stop one-way flights from Calgary to London Heathrow Airport, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Denver (DEN) offer the fastest connection on this route, with an average stopover time of 1h 14m.
Reviews of airlines servicing Heathrow
Get insights into the airlines that provide service to Heathrow. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Heathrow. Reviews last updated 19 August 2025.
Get a feel of what it's like to fly with Virgin Atlantic, WestJet, andAir Canada from Calgary to London Heathrow Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Exceptional, the flight attendant were amazing. My economy delight seat was very comfortable, and I was fortunate enough to have an empty row
Related info for your journey
Find useful and relevant information for your journey from Calgary to Heathrow. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
What airport do you fly from for flights from Calgary to London Heathrow?
If you book a flight to London Heathrow from Calgary, you will be flying from Calgary, which is the city’s only airport. Calgary (YYC) is located 5.8 mi from the center of Calgary. There are 11 flights from Calgary to London Heathrow per day from 4 different airlines.
How long is the flight from Calgary to London Heathrow Airport?
Airlines like United Airlines fly from Calgary to London Heathrow Airport in about 22h 05m. The time it takes to get you to your destination can typically vary by up to . There are 4355 mi between Calgary and London Heathrow Airport.
What are the cheapest airlines flying from Calgary to London Heathrow Airport round-trip?
Currently priced at £336, WestJet will fly you from Calgary to London Heathrow Airport and back. In addition to WestJet, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Air Canada and Lufthansa - these airlines can fly you to your destination from £415 and £417, respectively. WestJet is 40% cheaper than the average price of flights available within the next 90 days to this destination.
What are the most reliable airlines from Calgary to London Heathrow Airport?
Consider Croatia Airlines (94%), Air Canada (87%) or Aegean Airlines (87%) when booking your flight. These represent the most reliable airlines when flying from Calgary to London Heathrow Airport.
What are the cheapest flights from Calgary to London Heathrow Airport?
On average you can expect to pay £621 for a flight from Calgary to London Heathrow Airport. The cheapest flight overall is £121 while the most popular route, (Calgary - London Heathrow) is currently priced at £391.
Can I find deals for business class flights from Calgary to Heathrow?
Yes. Cheapflights offers flight deals from Calgary to Heathrow by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Calgary to London Heathrow Airport?
Currently, January is the cheapest month in which you can book a flight from Calgary to London Heathrow Airport (average of £112). Flying from Calgary to London Heathrow Airport in August is currently the most expensive (average of £164). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
Explore flights to Heathrow departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 19 August 2025.
Discover the top 4 airlines that operate flights from Calgary to Heathrow. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 19 August 2025.
Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.
How does Cheapflights help users find flights from Calgary to Heathrow?
Deals for Calgary to Heathrow flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.
Why should you use Cheapflights to find cheap flight tickets from Calgary to Heathrow?
Cheapflights helps you find that perfect flight to Heathrow from Calgary by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!
Can Cheapflights find flights from Calgary to Heathrow with no change fees?
Users can book flights with no change fees policies with our dedicated filters. Book flights from Calgary to Heathrow flexibly with Cheapflights today.
Can Cheapflights notify me if prices for flights from Calgary to Heathrow become cheaper?
Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Heathrow from Calgary today and book when prices fit your budget.
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