Q: How much does it cost for a return flight from Calgary to London Heathrow Airport?

Airfare is below average for this route at the moment. Calgary to London Heathrow Airport flights typically cost between £587 and £901 in January. The cheapest return flight price found within the last 3 days was £347 on WestJet (21 Jan-28 Jan).

Question 1

What’s the top stopover airport for flights from Calgary to London Heathrow Airport?

Accepted Answer

Ottawa (YOW) – chosen by Cheapflights users on 33% of one-stop itineraries from Calgary to London Heathrow Airport on Cheapflights.

Question 2

What’s the fastest stopover option from Calgary to London Heathrow Airport?

Accepted Answer

Flights via Ottawa (YOW) have the shortest average one-way travel time for one-stop routes: 11h 35m.

Question 3

What day of the week experiences the fewest flight delays on this route?

Accepted Answer

Wednesday tends to have the lowest number of delays on this route, whereas Sunday has historically faced a higher average of delays compared to other days of the week.

Question 4

What is the most punctual flight time for Calgary to London flights?

Accepted Answer

Historically, flights departing in the evening are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.

Question 5

Which airport typically offers the quickest stopover for flights from Calgary to London Heathrow Airport?

Accepted Answer

Flights via Denver (DEN) offer the fastest connection on this route, with an average stopover time of 1h 14m.

Question 6

How much does it cost for a return flight from Calgary to London Heathrow Airport?

Accepted Answer

Airfare is below average for this route at the moment.Calgary to London Heathrow Airport flights typically cost between £587 and £901 in January.
The cheapest return flight price found within the last 3 days was £347 on WestJet (21 Jan-28 Jan).

Question 7

Which airline has the best punctuality record on Calgary to London flights?

Accepted Answer

Over the past year, Air Canada have had the lowest number of delays on this route, with just 13% of flights being delayed.

Question 8

How often are flights from Calgary to London delayed?

Accepted Answer

About 16% of weekly flights between Calgary and London have experienced delays in the past year, with the average delay time being 132 minutes.

Question 9

What’s the cheapest stopover airport for flights from Calgary to London Heathrow Airport?

Accepted Answer

Dallas (DFW) is the most affordable one-stop option, with an average return flight price of £544.

Question 10

How long is the flight from Calgary to London Heathrow Airport?

Accepted Answer

Airlines like Air Canada, WestJet, and United Airlines fly from Calgary to London Heathrow Airport in about 8h 40m. The time it takes to get you to your destination can typically vary by up to 8h 15m. There are 4355 mi between Calgary and London Heathrow Airport. Both multi-stop and direct flights can be found to your destination and back.

Question 11

What are the cheapest airlines flying from Calgary to London Heathrow Airport round-trip?

Accepted Answer

Currently priced at £328, 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 £424 and £427, respectively. WestJet is 43% cheaper than the average price of flights available within the next 90 days to this destination.

Question 12

How far ahead should I book a flight from Calgary to London Heathrow Airport?

Accepted Answer

To ensure you get the cheapest price possible for a flight from Calgary to London Heathrow Airport, you should look to book at least 86 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.

Question 13

What is the cheapest month to book a flight from Calgary to London Heathrow Airport?

Accepted Answer

Currently, February is the cheapest month in which you can book a flight from Calgary to London Heathrow Airport (average of £318). Flying from Calgary to London Heathrow Airport in August is currently the most expensive (average of £590). 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.

Question 14

Weekly flight availability from Calgary to London Heathrow Airport

Accepted Answer

The most flights from YYC to LHR are scheduled on a Monday (11 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (11 on average).

Question 15

E

Accepted Answer

In terms of precipitation, rainfall in London Heathrow Airport ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London Heathrow Airport when rainfall is around 40.0 mm.

Question 16

E

Accepted Answer

If weather is an important factor for your trip to London Heathrow Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

Question 17

What are the cheapest flights from Calgary to London Heathrow Airport?

Accepted Answer

On average you can expect to pay £522 for a flight from Calgary to London Heathrow Airport. The cheapest flight overall is £85 while the most popular route, (Calgary - London Heathrow) is currently priced at £364.

Question 18

What are the most reliable airlines from Calgary to London Heathrow Airport?

Accepted Answer

Consider Air Canada (79%), Aegean Airlines (79%) or Thai Airways (79%) when booking your flight. These represent the most reliable airlines when flying from Calgary to London Heathrow Airport.

Question 19

What are the most popular airlines that fly from Calgary to London Heathrow Airport?

Accepted Answer

Consider WestJet, Air Canada or Lufthansa when booking your flight. These represent the most popular airlines when flying from Calgary to London Heathrow Airport.

Question 20

What is the cheapest time of day to fly from YYC to LHR?

Accepted Answer

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 17% on your trip compared to booking a flight at midday.

Question 21

What airport do you fly from for flights from Calgary to London Heathrow?

Accepted Answer

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 3 different airlines.

Question 22

Can I find deals for flights from Calgary to Heathrow that include hotel bookings?

Accepted Answer

Yes. In addition to deals on Calgary to Heathrow flights, Cheapflights offers holiday packages that include both flights and hotel.

Question 23

How can I find direct flights from Calgary to Heathrow?

Accepted Answer

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Calgary to Heathrow.

Question 24

Can I find deals for business class flights from Calgary to Heathrow?

Accepted Answer

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.

Question 25

How does Cheapflights help users find flights from Calgary to Heathrow?

Accepted Answer

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.

Question 26

Why should you use Cheapflights to find cheap flight tickets from Calgary to Heathrow?

Accepted Answer

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!

Question 27

Can Cheapflights find flights from Calgary to Heathrow with no change fees?

Accepted Answer

Users can book flights with no change fees policies with our dedicated filters. Book flights from Calgary to Heathrow flexibly with Cheapflights today.

Question 28

Can Cheapflights notify me if prices for flights from Calgary to Heathrow become cheaper?

Accepted Answer

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.

Round-trip from	£347
One-way from	£117
Popular in	December
Cheapest in	January
Average price	£467
Good round-trip deal	£470 or less
Good one-way deal	£123 or less

Airline	Cheapest	Average	Flexibility	On-time
WestJet	Cheapest£328	Average£595	FlexibilityNo cancel fee	On-time60%	Search WestJet flights
Air Canada	Cheapest£424	Average£671	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
Lufthansa	Cheapest£427	Average£591	FlexibilityNo cancel fee	On-time76%	Search Lufthansa flights

Cheap flights from Calgary to London Heathrow Airport from £117

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 18/1. Fares are subject to change and may not be available on all flights or dates of travel.

Cheapflights Tip: The best prices from Calgary to London Heathrow are usually found in January or February, booked 86 days in advance, depart on a Saturday or Wednesday and return on a Thursday

Find flight deals from Calgary to Heathrow

Cheapest flights from Calgary to HeathrowExplore the most affordable flight options available from Calgary to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 27 November 2025.

Explore the most affordable flight options available from Calgary to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 27 November 2025.

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Everything you need to know about your flight from Calgary to London Heathrow Airport

How far ahead should I book a flight from Calgary to London Heathrow Airport?

What is the cheapest month to book a flight from Calgary to London Heathrow Airport?

What is the cheapest time of day to fly from YYC to LHR?

How much does it cost for a return flight from Calgary to London Heathrow Airport?

Weekly flight availability from Calgary to London Heathrow Airport

How often are flights from Calgary to London delayed?

What is the most punctual flight time for Calgary to London flights?

What day of the week experiences the fewest flight delays on this route?

Which airline has the best punctuality record on Calgary to London flights?

What’s the top stopover airport for flights from Calgary to London Heathrow Airport?

What’s the cheapest stopover airport for flights from Calgary to London Heathrow Airport?

What’s the fastest stopover option from Calgary to London Heathrow Airport?

Which airport typically offers the quickest stopover for flights from Calgary to London Heathrow Airport?

Reviews of airlines servicing Heathrow

Get a feel of what it's like to fly with WestJet, Air Canada, andLufthansa 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.

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?

How long is the flight from Calgary to London Heathrow Airport?

What are the cheapest airlines flying from Calgary to London Heathrow Airport round-trip?

What are the most reliable airlines from Calgary to London Heathrow Airport?

What are the cheapest flights from Calgary to London Heathrow Airport?

Can I find deals for flights from Calgary to Heathrow that include hotel bookings?

How can I find direct flights from Calgary to Heathrow?

Can I find deals for business class flights from Calgary to Heathrow?

What is the cheapest month to book a flight from Calgary to London Heathrow Airport?

Travelling to a place near London Heathrow Airport?

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Top 3 airlines flying from Calgary to Heathrow

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How does Cheapflights help users find flights from Calgary to Heathrow?

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Can Cheapflights find flights from Calgary to Heathrow with no change fees?

Can Cheapflights notify me if prices for flights from Calgary to Heathrow become cheaper?

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Cheapest flights from Calgary to Heathrow
Explore the most affordable flight options available from Calgary to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 27 November 2025.