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

Flights via Montreal (YUL) have the shortest average one-way travel time for 1-stop routes: 11h 40m.

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

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

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

Flights via Chicago (ORD) offer the fastest connection on this route, with an average layover time of 2h 22m.

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

Over the last year, Pascan have had the lowest number of delays on this route, with just 14% of flights being delayed.

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

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.

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

Chicago (ORD) – chosen by Cheapflights users on 50% of 1-stop itineraries from Calgary to London Heathrow Airport on Cheapflights.

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

Chicago (ORD) is the most affordable 1-stop option, with an average round-trip price of $911.

How often are flights from Calgary to London delayed?

About 19% of weekly flights between Calgary and London have experienced delays in the past year, with the average delay time being 127 minutes.

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

For as low as $616, Virgin Atlantic can have you in London Heathrow Airport from Calgary in 18h 35m. The distance from Calgary to London Heathrow Airport is about 4355 mi. This flight may include one or multiple stops.

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

According to our current data, WestJet ($465), Air Canada ($540), and Lufthansa ($598) offers the cheapest pricing from Calgary to London Heathrow Airport. Users have found that WestJet is 39% cheaper than the other options available to this destination.

Weekly flight availability from Calgary to London Heathrow Airport

The most flights from YYC to LHR are scheduled on a Monday (12 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (12 on average).

In terms of precipitation, rainfall in London Heathrow Airport ranges from 1.6 - 2.8 inches per month. January is typically the wettest month, when rainfall can reach 2.8 in. July is typically the driest time to visit London Heathrow Airport when rainfall is around 1.6 in.

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 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 39.2 F).

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

On average you can expect to pay $1,346 for a flight from Calgary to London Heathrow Airport. The cheapest flight overall is $165 while the most popular route, (Calgary - London Heathrow) is currently priced at $570.

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

Consider Air Canada (60%), Aegean Airlines (60%) or Thai Airways (60%) when booking your flight. These represent the most reliable airlines when flying from Calgary to London Heathrow Airport.

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

Before booking your flight from Calgary to London Heathrow Airport check out the most popular airlines for this route: WestJet, Air Canada or Lufthansa.

Most accurate provider : When it comes to deals on Calgary-London Heathrow Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Calgary-London Heathrow Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Calgary-London Heathrow Airport flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Calgary-London Heathrow Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Calgary-London Heathrow Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 12 flights from Calgary to London Heathrow per day from 5 different airlines.

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

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

How can I find direct flights from Calgary to Heathrow?

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

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.

$284+ Flights from Calgary to London Heathrow Airport

Q: How much does it cost to fly round-trip from Calgary to London Heathrow Airport?

Airfare is typical for this route at the moment. Calgary to London Heathrow Airport flights typically cost between $476 and $672 in February. The cheapest round-trip price found within the last 3 days was $555 on Air Canada (Feb 17-Mar 6).

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Cheapflights Tip: The best prices from Calgary to London Heathrow are usually found in January or November, booked 72 days in advance, depart on a Tuesday or Wednesday and return on a Tuesday

Cheap flight deals from Calgary to Heathrow

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 January 29, 2026.

Tue 2/176:25 pm

YYC

LHR

Nonstop8h 45m

Air Canada

Fri 3/62:30 pm

LHR

YYC

1 stop13h 59m

Air Canada

Deal found 1/28

$555

Fri 2/276:25 pm

YYC

LHR

Nonstop8h 45m

Air Canada

Mon 3/161:25 pm

LHR

YYC

1 stop16h 19m

Air Canada

Deal found 1/28

$558

Tue 2/34:30 pm

YYC

LHR

1 stop12h 20m

Air Canada

Tue 2/102:30 pm

LHR

YYC

1 stop13h 59m

Air Canada

Deal found 1/27

$562

Sat 2/288:00 am

YYC

LHR

1 stop15h 30m

Air Canada

Mon 3/92:30 pm

LHR

YYC

1 stop16h 14m

Air Canada

Deal found 1/27

$564

Wed 2/1112:35 pm

YYC

LHR

2 stops25h 00m

Lufthansa

Tue 2/1711:10 am

LHR

YYC

1 stop14h 44m

Lufthansa

Deal found 1/28

$576

Thu 2/56:25 pm

YYC

LHR

Nonstop8h 45m

Lufthansa

Fri 2/201:25 pm

LHR

YYC

Nonstop9h 00m

Lufthansa

Deal found 1/27

$583

Wed 2/259:10 pm

YYC

LHR

Nonstop8h 40m

Multiple Airlines

Wed 3/48:50 pm

LHR

YYC

3 stops34h 15m

Multiple Airlines

Deal found 1/27

$588

Tue 3/312:40 pm

YYC

LHR

1 stop14h 20m

Delta

Tue 3/108:40 am

LHR

YYC

2 stops18h 05m

Delta

Deal found 1/27

$601

Wed 2/46:30 am

YYC

LHR

2 stops19h 15m

Delta

Tue 2/106:30 am

LHR

YYC

2 stops21h 24m

Delta

Deal found 1/28

$603

Best flights from Calgary to Heathrow
Discover carefully curated flight deals from Calgary to Heathrow that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated January 29, 2026.

Tue 3/37:40 am

YYC

LHR

1 stop19h 20m

Virgin Atlantic

Tue 3/1010:45 am

LHR

YYC

1 stop18h 17m

Virgin Atlantic

Deal found 1/27

$607

Tue 3/176:30 am

YYC

LHR

1 stop18h 35m

Delta

Wed 4/86:30 am

LHR

YYC

2 stops21h 15m

Delta

Deal found 1/27

$616

Thu 4/233:05 pm

YYC

LHR

1 stop18h 10m

KLM

Wed 5/135:45 pm

LHR

YYC

1 stop14h 00m

KLM

Deal found 1/27

$642

Tue 5/56:40 am

YYC

LHR

1 stop23h 25m

Multiple Airlines

Tue 5/2612:25 pm

LHR

YYC

1 stop15h 19m

Multiple Airlines

Deal found 1/28

$652

Wed 4/812:30 pm

YYC

LHR

1 stop14h 30m

Delta

Wed 4/158:40 am

LHR

YYC

2 stops19h 00m

Delta

Deal found 1/28

$618

Tue 4/77:40 am

YYC

LHR

1 stop20h 20m

Virgin Atlantic

Fri 4/1712:25 pm

LHR

YYC

1 stop15h 15m

Virgin Atlantic

Deal found 1/28

$624

Wed 4/296:40 am

YYC

LHR

1 stop23h 25m

Delta

Thu 5/710:55 am

LHR

YYC

1 stop19h 11m

Delta

Deal found 1/28

$629

Fri 5/16:40 am

YYC

LHR

1 stop23h 25m

Delta

Fri 5/86:15 am

LHR

YYC

2 stops21h 29m

Delta

Deal found 1/28

$629

Thu 4/21:40 pm

YYC

LHR

1 stop14h 30m

Virgin Atlantic

Thu 4/165:45 pm

LHR

YYC

1 stop13h 58m

Virgin Atlantic

Deal found 1/28

$733

Tue 5/56:40 am

YYC

LHR

2 stops17h 30m

Delta

Tue 5/2612:25 pm

LHR

YYC

1 stop15h 19m

Delta

Deal found 1/28

$669

Last-minute flights from Calgary to Heathrow
Discover last-minute flight deals from Calgary to Heathrow. Data last updated January 29, 2026 and is based on user searches.

Tue 2/34:30 pm

YYC

LHR

1 stop12h 20m

Air Canada

Tue 2/102:30 pm

LHR

YYC

1 stop13h 59m

Air Canada

Deal found 1/27

$562

Tue 2/36:30 am

YYC

LHR

2 stops19h 15m

Delta

Tue 2/108:40 am

LHR

YYC

2 stops19h 14m

Delta

Deal found 1/27

$601

Wed 2/46:30 am

YYC

LHR

2 stops19h 50m

Delta

Mon 2/96:30 am

LHR

YYC

2 stops21h 24m

Delta

Deal found 1/28

$603

Wed 2/47:40 am

YYC

LHR

2 stops18h 40m

Delta

Wed 3/46:20 am

LHR

YYC

2 stops21h 34m

Delta

Deal found 1/27

$607

Thu 2/56:25 pm

YYC

LHR

Nonstop8h 45m

Lufthansa

Fri 2/201:25 pm

LHR

YYC

Nonstop9h 00m

Lufthansa

Deal found 1/27

$583

Wed 2/1112:35 pm

YYC

LHR

2 stops25h 00m

Lufthansa

Tue 2/1711:10 am

LHR

YYC

1 stop14h 44m

Lufthansa

Deal found 1/28

$576

Tue 2/173:00 pm

YYC

LHR

1 stop13h 50m

Air Canada

Fri 3/62:30 pm

LHR

YYC

1 stop13h 59m

Air Canada

Deal found 1/28

$555

Wed 2/259:10 pm

YYC

LHR

Nonstop8h 40m

Multiple Airlines

Wed 3/48:50 pm

LHR

YYC

3 stops34h 15m

Multiple Airlines

Deal found 1/27

$588

Fri 2/276:25 pm

YYC

LHR

Nonstop8h 45m

Air Canada

Mon 3/161:25 pm

LHR

YYC

1 stop16h 19m

Air Canada

Deal found 1/28

$558

Sat 2/288:00 am

YYC

LHR

1 stop15h 30m

Air Canada

Mon 3/92:30 pm

LHR

YYC

1 stop16h 14m

Air Canada

Deal found 1/27

$564

One-way flights from Calgary to Heathrow
Search for one-way flight options from Calgary to Heathrow. Find affordable one-way fares based on user searches. Data last updated January 29, 2026.

Tue 2/179:10 pm

YYC

LHR

Nonstop8h 40m

WestJet

Deal found 1/28

$284

Thu 2/267:30 pm

YYC

LHR

1 stop14h 05m

WestJet

Deal found 1/28

$334

Wed 2/259:10 pm

YYC

LHR

Nonstop8h 40m

WestJet

Deal found 1/28

$352

Tue 2/109:10 pm

YYC

LHR

Nonstop8h 40m

WestJet

Deal found 1/28

$361

Sat 3/288:25 pm

YYC

LHR

Nonstop8h 40m

WestJet

Deal found 1/27

$362

Tue 4/218:25 pm

YYC

LHR

Nonstop8h 40m

WestJet

Deal found 1/27

$365

Wed 2/189:50 am

YYC

LHR

2 stops26h 05m

Multiple Airlines

Deal found 1/26

$389

Sat 6/201:20 pm

YYC

LHR

3 stops25h 15m

Multiple Airlines

Deal found 1/26

$400

Find flight deals from Calgary to Heathrow

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$555 (Air Canada)
One-way from	$284 (Kiwi.com)
Popular in	July
Cheapest in	January
Average price	$544
Good round-trip deal	$830 or less
Good one-way deal	$221 or less

Provider with most accurate pricing for Calgary-London Heathrow flight deals.

Search Deals

Provider most trusted by Cheapflights users for Calgary-London Heathrow flights.

Search Deals

From Calgary to London Heathrow

Search Deals

One-way flight from Calgary to London Heathrow

Search Deals

Highest demand for flights based on searches. 19% potential increase in price ($188 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($19 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in January 2026

Search Deals

Price to beat on a round-trip flight from Calgary to London Heathrow.

Search Deals

Price to beat on a one-way flight from Calgary to London Heathrow.

Search Deals

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

Tue 3/3

7:40 am-10:00 am

1 stop19h 20m

London Heathrow

Tue 3/10

10:45 am-11:02 pm

1 stop18h 17m

$607

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

Tue 3/17

6:30 am-7:05 am

1 stop18h 35m

London Heathrow

Wed 4/8

6:30 am-8:45 pm

2 stops21h 15m

$616

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

Wed 4/8

12:30 pm-10:00 am

1 stop14h 30m

London Heathrow

Wed 4/15

8:40 am-8:40 pm

2 stops19h 00m

$618

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

Tue 4/7

7:40 am-11:00 am

1 stop20h 20m

London Heathrow

Fri 4/17

12:25 pm-8:40 pm

1 stop15h 15m

$624

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

Wed 4/29

6:40 am-1:05 pm

1 stop23h 25m

London Heathrow

Thu 5/7

10:55 am-11:06 pm

1 stop19h 11m

$629

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

Fri 5/1

6:40 am-1:05 pm

1 stop23h 25m

London Heathrow

Fri 5/8

6:15 am-8:44 pm

2 stops21h 29m

$629

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

Thu 4/23

3:05 pm-4:15 pm

1 stop18h 10m

London Heathrow

Wed 5/13

5:45 pm-12:45 am

1 stop14h 00m

$642

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

Tue 5/5

6:40 am-1:05 pm

1 stop23h 25m

London Heathrow

Tue 5/26

12:25 pm-8:44 pm

1 stop15h 19m

$652

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

Tue 5/5

6:40 am-7:10 am

2 stops17h 30m

London Heathrow

Tue 5/26

12:25 pm-8:44 pm

1 stop15h 19m

$669

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

Thu 4/2

1:40 pm-11:10 am

1 stop14h 30m

London Heathrow

Thu 4/16

5:45 pm-12:43 am

1 stop13h 58m

$733

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/28

Showing 1-10 of 20 results

Compare providers for flights from Calgary to Heathrow

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Calgary to Heathrow in January.

Provider	Price Accuracy	Trust Score*
FlightHub	Price Accuracy3 stars	Trust Score*3 stars
AranGrant	Price Accuracy2 stars	Trust Score*2 stars
eDreams	Price Accuracy3 stars	Trust Score*3 stars
CheapOair	Price Accuracy3 stars	Trust Score*3 stars
oojo	Price Accuracy3 stars	Trust Score*3 stars
Ovago	Price Accuracy2 stars	Trust Score*3 stars
Expedia	Price Accuracy1 star	Trust Score*3 stars
SmartFares	Price Accuracy1 star	Trust Score*1 star
Trip.com	Price Accuracy1 star	Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on Calgary-London Heathrow Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Calgary-London Heathrow Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Calgary-London Heathrow Airport flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Calgary-London Heathrow Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Calgary-London Heathrow Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 round-trip 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

Prices

Airlines

Delays

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

The best time to book flights from Calgary to London Heathrow Airport is 72 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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 $425). Flying from Calgary to London Heathrow Airport in July is currently the most expensive (average of $792). 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?

When flying from Calgary to London Heathrow Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

How much does it cost to fly round-trip from Calgary to London Heathrow Airport?

The best insider tips for Calgary to London Heathrow Airport flights

Cheapflights partnered with top experts to bring you the best recommendations for your Calgary to London Heathrow Airport trip

Our travel experts

Jenna Scatena

Expert on YYC

Journalist and Travel Writer, Jenna Scatena is an award-winning travel writer with a love for sharing stories and exploring new places, especially by Vespa. Though she's from San Francisco, she has spent a significant chunk of her vacation days over the last decade eating her way through Texas and sleeping in hotels around the world—especially in California, the Middle East, and Europe.

Ramsey Qubein

Expert on LHR

An avid traveler and aviation expert who has visited 173 countries, all 50 states and seven continents, Ramsey Qubein flies nearly 400,000 miles a year. As a North Carolina-based freelance journalist for publications including Conde Nast Traveler, Forbes, USA Today and Bloomberg among others, he explores the latest trends in aviation, hospitality, cruises and business.

Peruse reviews from past customers who have flown with WestJet, Air Canada, and Iberia from Calgary to London Heathrow Airport to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

WestJet

7.2

Good

3,253 reviews

Reviews

1 / 20

2.0

Mediocre

Blaine,Dec 2025

YYC - YVR

The worst I’ve ever had in 50 years of flying

WestJet

7.2

Good

3,253 reviews

WestJet

7.2

Good

3,253 reviews

Reviews

1 / 20

2.0

Mediocre

Blaine,Dec 2025

YYC - YVR

The worst I’ve ever had in 50 years of flying

Air Canada

7.1

Good

10,667 reviews

WestJet

7.2

Good

3,253 reviews

Reviews

1 / 20

2.0

Mediocre

Blaine,Dec 2025

YYC - YVR

The worst I’ve ever had in 50 years of flying

Iberia

7.0

Good

3,100 reviews

WestJet

7.2

Good

3,253 reviews

Reviews

1 / 20

2.0

Mediocre

Blaine,Dec 2025

YYC - YVR

The worst I’ve ever had in 50 years of flying

Lufthansa

6.8

Okay

7,756 reviews

WestJet

7.2

Good

3,253 reviews

Reviews

1 / 20

2.0

Mediocre

Blaine,Dec 2025

YYC - YVR

The worst I’ve ever had in 50 years of flying

British Airways

6.7

Okay

7,705 reviews

WestJet

7.2

Good

3,253 reviews

Reviews

1 / 20

2.0

Mediocre

Blaine,Dec 2025

YYC - YVR

The worst I’ve ever had in 50 years of flying

Related info for your journey

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 12 flights from Calgary to London Heathrow per day from 5 different airlines.
How long is the flight from Calgary to London Heathrow Airport?
For as low as $616, Virgin Atlantic can have you in London Heathrow Airport from Calgary in 18h 35m. The distance from Calgary to London Heathrow Airport is about 4355 mi. This flight may include one or multiple stops.
What are the cheapest airlines flying from Calgary to London Heathrow Airport round-trip?
According to our current data, WestJet ($465), Air Canada ($540), and Lufthansa ($598) offers the cheapest pricing from Calgary to London Heathrow Airport. Users have found that WestJet is 39% cheaper than the other options available to this destination.
What are the most reliable airlines from Calgary to London Heathrow Airport?
Consider Air Canada (60%), Aegean Airlines (60%) or Thai Airways (60%) 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 $1,346 for a flight from Calgary to London Heathrow Airport. The cheapest flight overall is $165 while the most popular route, (Calgary - London Heathrow) is currently priced at $570.
Can I find deals for flights from Calgary to Heathrow that include hotel bookings?
Yes. In addition to deals on Calgary to Heathrow flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Calgary to Heathrow?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Calgary to Heathrow.
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 $425). Flying from Calgary to London Heathrow Airport in July is currently the most expensive (average of $792). 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.

See more FAQs

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Top 5 airlines flying from Calgary to Heathrow

Airline	Cheapest	Average	Flexibility	On-time
WestJet	Cheapest$465	Average$876	FlexibilityNo cancel fee	On-time60%
Air Canada	Cheapest$540	Average$855	FlexibilityNo cancel fee	On-time67%
Lufthansa	Cheapest$598	Average$914	FlexibilityNo cancel fee	On-time76%
British Airways	Cheapest$698	Average$820	FlexibilityNo cancel fee	On-time70%
Iberia	Cheapest$811	Average$869	FlexibilityNo cancel fee	On-time77%

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$284+ Cheap flights from Calgary (YYC) to Heathrow (LHR)

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 2/17. Fares are subject to change and may not be available on all flights or dates of travel.

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Cheap 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 January 29, 2026.

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 January 29, 2026.

Find flight deals from Calgary to Heathrow

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

Compare providers for flights from Calgary to Heathrow

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Calgary to Heathrow in January.

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.

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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 to fly round-trip 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 layover airport for flights from Calgary to London Heathrow Airport?

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

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

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

The best insider tips for Calgary to London Heathrow Airport flights

AI-powered summary based on content written by travel experts. AI can make mistakes.

Cheapflights partnered with top experts to bring you the best recommendations for your Calgary to London Heathrow Airport trip

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Reviews of airlines servicing Heathrow

Peruse reviews from past customers who have flown with WestJet, Air Canada, and Iberia from Calgary to London Heathrow Airport to help guide your decision. You can also see how each airline stacks up 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?

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Alternative routes for Calgary to Heathrow

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Top 5 airlines flying from Calgary to Heathrow

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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 January 29, 2026.