Question 1

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

Accepted Answer

Currently priced at £522, Lufthansa will fly you from Calgary to London Heathrow Airport and back. In addition to Lufthansa, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from WestJet and United Airlines - these airlines can fly you to your destination from £523 and £526, respectively. Lufthansa is 8% cheaper than the average price of flights available within the next 90 days to this destination.

Question 2

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 41 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 3

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

Accepted Answer

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.

Question 4

What is the cheapest day to fly from Calgary to London Heathrow Airport?

Accepted Answer

Travellers seeking maximum savings on their Calgary to London Heathrow Airport flight should consider departing on Thursday afternoons when fares are most often at their lowest. Saturday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Question 5

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 Tuesday, which is when the least amount of flights are scheduled (10 on average).

Question 6

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 7

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 8

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

Accepted Answer

On average you can expect to pay £658 for a flight from Calgary to London Heathrow Airport. The cheapest flight overall is £236 while the most popular route, (Calgary - London Heathrow) is currently priced at £451.

Question 9

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

Accepted Answer

Consider Croatia Airlines (94%), Air Canada (88%) or Aegean Airlines (88%) when booking your flight. These represent the most reliable airlines when flying from Calgary to London Heathrow Airport.

Question 10

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

Accepted Answer

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

Question 11

What is the cheapest day to fly round-trip from Calgary to London Heathrow Airport?

Accepted Answer

Monday flights are found to be more expensive to fly from Calgary to London Heathrow Airport. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to London Heathrow Airport.

Question 12

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

Accepted Answer

To save on the cost of your flight from Calgary to London Heathrow Airport, book at least 29 days before your planned departure. Booking around this time can save you about 28% on the cost of this flight compared to booking a flight leaving this week. We have found prices from £471 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as £539.

Question 13

What is the cheapest month to fly from Calgary to London Heathrow Airport?

Accepted Answer

The best pricing can be found in the month of January. Prices to London Heathrow Airport from Calgary average £555. You can even find prices in January for less than £555, as users have found deals to London Heathrow Airport from as low as £311. The month of July appears to be one of the more expensive times to travel to London Heathrow Airport from Calgary. Flying in the targeted month can save you up to 29%.

Question 14

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 33% on your trip compared to booking a flight at midday.

Question 15

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 10 flights from Calgary to London Heathrow per day from 4 different airlines.

Question 16

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 17

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 18

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 19

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 20

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 21

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 22

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	£522
One-way from	£234
Popular in	July
Cheapest in	January
Average price	£735
Good round-trip deal	£630 or less
Good one-way deal	£256 or less

Airline	Cheapest	Average	Flexibility	On-time
WestJet	Cheapest£333	Average£547	FlexibilityNo cancel fee	On-time60%	Search WestJet flights
Air Canada	Cheapest£410	Average£604	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
Virgin Atlantic	Cheapest£412	Average£517	FlexibilityNo cancel fee	On-time72%	Search Virgin Atlantic flights
Lufthansa	Cheapest£413	Average£635	FlexibilityNo cancel fee	On-time76%	Search Lufthansa flights

Cheap flights from Calgary to London Heathrow Airport from £234

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 16/7. 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 41 days in advance, depart on a Wednesday or Saturday and return on a Friday

Cheap flight deals from Calgary to Heathrow

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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 4 July 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 4 July 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Calgary to London Heathrow Airport that are best for you.

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.

Cheapflights Insights

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?

Use this chart to determine the optimal time to book a return flight from Calgary to Heathrow. Price data was last updated on 27 June 2025.

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?

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 4 July 2025.

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 4 July 2025.

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

Reviews of airlines servicing Heathrow

Get a feel of what it's like to fly with KLM, United Airlines, andAmerican Airlines 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?

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?

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Alternative routes for Calgary to Heathrow

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Top 4 airlines flying from Calgary to Heathrow

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

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

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 4 July 2025.