What is the cheapest airline that flies from Calgary to London Heathrow?

WestJet is the most popular carrier operating from Calgary to London Heathrow

How often are flights from Calgary to London delayed?

Historically, on average around 16% of flights between Calgary and London have experienced a delay on any given week. The average delay length over the past 12 months has been 132 minutes.

How many flights depart from Calgary to London Heathrow Airport on average per week?

The number of flights available between Calgary and London Heathrow Airport is 77 per week as of November 2025. The most frequent departure day is Mon, with 14% of weekly flights leaving on this day.

What airlines fly to London Heathrow Airport?

WestJet, Air Canada and Lufthansa are the top three most popular airlines that fly to London Heathrow Airport from Calgary according to our data. WestJet is the first choice among our users, with 45% of people opting to fly with this airline when traveling to London Heathrow Airport. Keep in mind that there are 4 different airlines that fly to London Heathrow Airport on a routine basis, so you have a few additional options to choose from.

Which airport is the most popular layover for flights between Calgary and London Heathrow Airport?

Dallas (DFW) was the most common stop: 67% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport has the shortest travel time from Calgary to London Heathrow Airport?

Flights connecting via Amsterdam (AMS) have the shortest average one-way travel time: 12h 30m.

How many flights depart from Calgary to London Heathrow Airport on average per day?

The number of flights available between Calgary and London Heathrow Airport is 11 per day as of November 2025. The most frequent departure time is 6:00PM, with 100% of daily flights leaving in the evening.

Which layover airport offers the lowest fares from Calgary to London Heathrow Airport?

Flights via Dallas (DFW) offer the lowest average round-trip price of $809.

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

According to our data, Air Canada have had the least number of delays on this route over the last 12 months; with about 13% of their flights experiencing any sort of delay.

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

Generally, flights departing in the evening tend to experience fewer delays. Flights in the early afternoon have, in the past, seen delays more frequently in comparison.

Which layover airport has the shortest connection time from Calgary to London Heathrow Airport?

Amsterdam (AMS) has the shortest average layover time for this route: 2h 00m.

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

Wednesday is statistically the day of the week which experiences the fewest number of delays on this flight route. Sunday has historically seen more delays on average compared to the rest of the week.

When did momondo last update prices for flights from Calgary Airport to London Heathrow Airport?

Prices for flights from Calgary Airport to London Heathrow Airport are updated daily.

How many operators does momondo search for flights from Calgary Airport to London Heathrow Airport?

The number of operators available for flights from Calgary Airport to London Heathrow Airport is 4 as of November 2025.

How old do you have to be to fly from Calgary Airport to London Heathrow Airport?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Calgary Airport to London Heathrow Airport.

What documentation or ID do you need to fly to London Heathrow Airport?

The travel and health documents required for your trip to London Heathrow Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at London Heathrow Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$168 Cheap Flights from Calgary to London Heathrow Airport in 2025/26

Q: What is the typical price of a round-trip flight between Calgary and London Heathrow Airport?

Prices are currently low for flights on this route. Typical prices usually range from $639 to $950. The lowest price recently found on this route was $461.

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Cheap round-trip flights

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9:10 pm - 12:50 pmYYC-LHR

8h 40mnonstop

2:50 pm - 4:40 pmLHR-YYC

8h 50mnonstop

$461WestJet

Find Deal

Mon, Feb 16 - Sun, Feb 22

9:10 pm - 12:50 pmYYC-LHR

8h 40mnonstop

3:15 pm - 3:45 pmLHR-YYC

31h 30m1 stop

$467Multiple Airlines

Find Deal

Tue, Jan 20 - Tue, Feb 3

9:10 pm - 12:50 pmYYC-LHR

8h 40mnonstop

2:50 pm - 4:55 pmLHR-YYC

9h 05mnonstop

$481WestJet

Find Deal

Sun, Nov 30 - Thu, Dec 4

9:10 pm - 12:50 pmYYC-LHR

8h 40mnonstop

2:50 pm - 5:40 pmLHR-YYC

8h 50mnonstop

$488WestJet

Find Deal

Thu, Mar 5 - Mon, Mar 9

9:10 pm - 12:50 pmYYC-LHR

8h 40mnonstop

2:50 pm - 4:55 pmLHR-YYC

9h 05mnonstop

$489WestJet

Find Deal

Tue, Jan 13 - Thu, Jan 15

9:10 pm - 12:50 pmYYC-LHR

8h 40mnonstop

8:50 pm - 3:45 pmLHR-YYC

25h 55m2 stops

$496Multiple Airlines

Find Deal

Tue, Jan 20 - Tue, Feb 3

9:10 pm - 12:50 pmYYC-LHR

8h 40mnonstop

3:15 pm - 4:00 pmLHR-YYC

31h 45m1 stop

$505Multiple Airlines

Find Deal

Tue, Jan 13 - Mon, Jan 26

9:10 pm - 12:50 pmYYC-LHR

8h 40mnonstop

8:50 pm - 3:45 pmLHR-YYC

25h 55m2 stops

$514Multiple Airlines

Find Deal

Tue, Jan 20 - Sat, Jan 31

9:10 pm - 12:50 pmYYC-LHR

8h 40mnonstop

2:50 pm - 4:40 pmLHR-YYC

8h 50mnonstop

$525WestJet

Find Deal

Mon, Feb 16 - Tue, Feb 17

4:30 pm - 11:50 amYYC-LHR

12h 20m1 stop

6:00 am - 8:49 pmLHR-YYC

21h 49m2 stops

$527Multiple Airlines

Find Deal

Mon, Feb 23 - Fri, Feb 27

United Airlines flights from Calgary to London Heathrow Airport

Our best United Airlines deals on Calgary to London Heathrow Airport flight tickets

United Airlines

Nov 25

YYC6:15 amCalgary

20h 25m

1 stop

LHR9:40 amLondon Heathrow

Dec 9

LHR6:35 amLondon Heathrow

22h 18m

2 stops

YYC9:53 pmCalgary

$569

Find similar

United Airlines

Nov 27

YYC1:30 pmCalgary

34h 10m

2 stops

LHR6:40 amLondon Heathrow

Mar 2

LHR6:50 amLondon Heathrow

35h 45m

2 stops

YYC11:35 amCalgary

$573

Find similar

United Airlines

Jan 10

YYC1:30 pmCalgary

35h 00m

1 stop

LHR7:30 amLondon Heathrow

Jan 28

LHR6:35 amLondon Heathrow

22h 18m

2 stops

YYC9:53 pmCalgary

$576

Find similar

WestJet flights from Calgary to London Heathrow Airport

Our best WestJet deals on Calgary to London Heathrow Airport flight tickets

WestJet

Nov 22

YYC9:10 pmCalgary

8h 40m

LHR12:50 pmLondon Heathrow

Dec 5

LHR2:50 pmLondon Heathrow

9h 05m

YYC4:55 pmCalgary

$456

Find similar

WestJet

Feb 16

YYC9:10 pmCalgary

8h 40m

LHR12:50 pmLondon Heathrow

Feb 23

LHR2:50 pmLondon Heathrow

8h 50m

YYC4:40 pmCalgary

$461

Find similar

WestJet

Nov 30

YYC9:10 pmCalgary

8h 40m

LHR12:50 pmLondon Heathrow

Dec 4

LHR2:50 pmLondon Heathrow

9h 05m

YYC4:55 pmCalgary

$481

Find similar

momondo Fare Finder

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

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Depart

Return

Price

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

Mon 2/16

9:10 pm-12:50 pm

Nonstop8h 40m

London Heathrow

Sun 2/22

2:50 pm-4:40 pm

Nonstop8h 50m

$461

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

Tue 1/20

9:10 pm-12:50 pm

Nonstop8h 40m

London Heathrow

Tue 2/3

3:15 pm-3:45 pm

1 stop31h 30m

$467

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

Sun 11/30

9:10 pm-12:50 pm

Nonstop8h 40m

London Heathrow

Thu 12/4

2:50 pm-4:55 pm

Nonstop9h 05m

$481

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

Thu 3/5

9:10 pm-12:50 pm

Nonstop8h 40m

London Heathrow

Mon 3/9

2:50 pm-5:40 pm

Nonstop8h 50m

$488

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

Tue 1/13

9:10 pm-12:50 pm

Nonstop8h 40m

London Heathrow

Thu 1/15

2:50 pm-4:55 pm

Nonstop9h 05m

$489

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

Tue 1/20

9:10 pm-12:50 pm

Nonstop8h 40m

London Heathrow

Tue 2/3

8:50 pm-3:45 pm

2 stops25h 55m

$496

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

Tue 1/13

9:10 pm-12:50 pm

Nonstop8h 40m

London Heathrow

Mon 1/26

3:15 pm-4:00 pm

1 stop31h 45m

$505

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

Tue 1/20

9:10 pm-12:50 pm

Nonstop8h 40m

London Heathrow

Sat 1/31

8:50 pm-3:45 pm

2 stops25h 55m

$514

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

Mon 2/16

9:10 pm-12:50 pm

Nonstop8h 40m

London Heathrow

Tue 2/17

2:50 pm-4:40 pm

Nonstop8h 50m

$525

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

Mon 2/23

4:30 pm-11:50 am

1 stop12h 20m

London Heathrow

Fri 2/27

6:00 am-8:49 pm

2 stops21h 49m

$527

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Calgary to London Heathrow Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Delays

Layovers

Other information

What is the typical price of a round-trip flight between Calgary and London Heathrow Airport?

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

The month of January is, on average, the cheapest month to fly to London Heathrow Airport from Calgary, with most prices found around $559. If you’re not able to fly to London Heathrow Airport in January, then February is your next best option. Flight prices from Calgary to London Heathrow Airport during February average around $559.

What is the cheapest day to depart on your flight to London Heathrow Airport?

Our data shows that Wednesday is the least expensive day to fly to London Heathrow Airport. Tickets to fly out on this day can be as low as $938. The most expensive day to fly to London Heathrow Airport is Saturday, with ticket prices averaging around $1,114.

What is the cheapest time of day to depart on your flight to London Heathrow Airport?

According to our data, the cheapest time of day to fly to London Heathrow Airport is in the evening. momondo users have found flights departing from Calgary to London Heathrow Airport in the evening for as low as $886. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights in the afternoon are often more expensive with an average ticket price of $1,417.

What is the cheapest Calgary to London Heathrow flight route?

Fly from Calgary to London Heathrow for the best Calgary - London Heathrow flight prices

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

You are more likely to see cheaper flights to London Heathrow Airport from Calgary when booking weeks ahead of your departure date. In general, you can expect to find flights to London Heathrow Airport for around $771 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London Heathrow Airport from Calgary for as low as $687 on momondo.

What cabin class options are available on Calgary to London Heathrow flights?

There are 3 cabin classes available to choose from on Calgary to London Heathrow flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Calgary to London Heathrow Airport flight prices changed over time?

As of November 2025, prices for Calgary to London Heathrow Airport flights are approximately 21% cheaper when compared to flights at the same time last year.

When to book flights from Calgary to London Heathrow Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Calgary to London Heathrow Airport according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Calgary to London Heathrow Airport (YYC to LHR) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Calgary to London Heathrow Airport

Best Price Found	$169
Fastest flight time	8h 30m
Direct flights	Every day

The best one-way flight to London Heathrow Airport from Calgary in the past 72 hours is $169. The best round-trip flight deal from Calgary to London Heathrow Airport found on momondo in the last 72 hours is $471.

The fastest flight from Calgary to London Heathrow Airport takes 8h 30m

Direct flights go from Calgary to London Heathrow Airport every day.

Search flight deals

How far is Calgary to London Heathrow by plane?
Calgary and London Heathrow are 4360.9 mi apart from one another. By plane, this route typically takes 8h 40m.
When did momondo last update prices for flights from Calgary Airport to London Heathrow Airport?
Prices for flights from Calgary Airport to London Heathrow Airport are updated daily.
How many operators does momondo search for flights from Calgary Airport to London Heathrow Airport?
The number of operators available for flights from Calgary Airport to London Heathrow Airport is 4 as of November 2025.
How old do you have to be to fly from Calgary Airport to London Heathrow Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Calgary Airport to London Heathrow Airport.
What documentation or ID do you need to fly to London Heathrow Airport?
The travel and health documents required for your trip to London Heathrow Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at London Heathrow Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from Calgary to London Heathrow Airport?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Calgary to London Heathrow Airport is Boeing 787-9 Dreamliner (61.70% of total bookings). The next most popular plane models are Boeing 787-8 Dreamliner (33.77%), Boeing 777-300ER (1.77%), and Airbus A330-300 (1.09%).
What is the most popular airline from Calgary to London Heathrow Airport?
momondo data reveals that the most frequently booked airline on the route from Calgary to London Heathrow Airport is WestJet, representing 45% of all bookings. The subsequent popular airlines are Air Canada at 34%, Lufthansa at 17%, and British Airways at 4%.

Best airlines flying from Calgary to London Heathrow Airport

Compare and see reviews for airlines that fly from Calgary to London Heathrow Airport with momondo

Airline	Rating	Free Cancellation	Price
WestJet	PriceFrom $464	Free Cancellation	Rating 7.2 3,169 reviews	Search WestJet flights
Air Canada	PriceFrom $542	Free Cancellation	Rating 7.1 10,463 reviews	Search Air Canada flights
Lufthansa	PriceFrom $655	Free Cancellation	Rating 6.8 7,579 reviews	Search Lufthansa flights
British Airways	PriceFrom $698	Free Cancellation	Rating 6.7 7,533 reviews	Search British Airways flights

WestJet Flights From Calgary to London Heathrow Airport
WestJet flight deals from Calgary to London Heathrow Airport start from $464 round-trip. Over the 7 WestJet flights for this route in a normal week, average airfare is usually $831 round-trip - but some users have found much cheaper deals with momondo.
Air Canada Flights From Calgary to London Heathrow Airport
Air Canada (7.1/10 from 10,463 reviews) operates around 7 flights from Calgary to London Heathrow Airport in any given week. The average Air Canada airfare for this route is around $801, with deals from around $542 rare but found on momondo. Referenced prices are for round-trip Calgary to London Heathrow Airport flight searches in the last 72 hours.

Gatwick

Hounslow

Milton Keynes

Dover

Luton

Slough

Guildford

Hayes

Dartford

Stratford-upon-Avon

Crawley

Brentwood

Chelmsford

Salisbury

Wembley

Folkestone

Romford

Ilford

Cobham

Swindon

Why use momondo?

Why should I use momondo to find a flight deal from Calgary to London?

Finding the right flight to London from Calgary is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to London quick and easy, saving you time and money.

Can I find flights from Calgary to London with flexible booking policies on momondo?

All flight searches from Calgary to London on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Calgary to London?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Calgary to London.

I’m not ready to book a flight from Calgary to London right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Calgary to London flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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Cheap flights from Calgary to London from $168

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Calgary to London departing on 11/25. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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United Airlines flights from Calgary to London Heathrow Airport

Our best United Airlines deals on Calgary to London Heathrow Airport flight tickets

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Our best WestJet deals on Calgary to London Heathrow Airport flight tickets

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

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How to get the cheapest flight ticket from Calgary to London Heathrow Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Calgary and London Heathrow Airport?

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

What is the cheapest day to depart on your flight to London Heathrow Airport?

Our data shows that Wednesday is the least expensive day to fly to London Heathrow Airport. Tickets to fly out on this day can be as low as $938. The most expensive day to fly to London Heathrow Airport is Saturday, with ticket prices averaging around $1,114.

What is the cheapest time of day to depart on your flight to London Heathrow Airport?

What is the cheapest Calgary to London Heathrow flight route?

Fly from Calgary to London Heathrow for the best Calgary - London Heathrow flight prices

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

What cabin class options are available on Calgary to London Heathrow flights?

There are 3 cabin classes available to choose from on Calgary to London Heathrow flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Calgary to London Heathrow Airport flight prices changed over time?

As of November 2025, prices for Calgary to London Heathrow Airport flights are approximately 21% cheaper when compared to flights at the same time last year.

What is the cheapest airline that flies from Calgary to London Heathrow?

WestJet is the most popular carrier operating from Calgary to London Heathrow

What airlines fly to London Heathrow Airport?

How often are flights from Calgary to London delayed?

Historically, on average around 16% of flights between Calgary and London have experienced a delay on any given week. The average delay length over the past 12 months has been 132 minutes.

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

Generally, flights departing in the evening tend to experience fewer delays. Flights in the early afternoon have, in the past, seen delays more frequently in comparison.

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

Wednesday is statistically the day of the week which experiences the fewest number of delays on this flight route. Sunday has historically seen more delays on average compared to the rest of the week.

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

According to our data, Air Canada have had the least number of delays on this route over the last 12 months; with about 13% of their flights experiencing any sort of delay.

Which airport is the most popular layover for flights between Calgary and London Heathrow Airport?

Dallas (DFW) was the most common stop: 67% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport offers the lowest fares from Calgary to London Heathrow Airport?

Flights via Dallas (DFW) offer the lowest average round-trip price of $809.

Which layover airport has the shortest travel time from Calgary to London Heathrow Airport?

Flights connecting via Amsterdam (AMS) have the shortest average one-way travel time: 12h 30m.

Which layover airport has the shortest connection time from Calgary to London Heathrow Airport?

Amsterdam (AMS) has the shortest average layover time for this route: 2h 00m.

How many flights depart from Calgary to London Heathrow Airport on average per day?

The number of flights available between Calgary and London Heathrow Airport is 11 per day as of November 2025. The most frequent departure time is 6:00PM, with 100% of daily flights leaving in the evening.

How many flights depart from Calgary to London Heathrow Airport on average per week?

The number of flights available between Calgary and London Heathrow Airport is 77 per week as of November 2025. The most frequent departure day is Mon, with 14% of weekly flights leaving on this day.

When to book flights from Calgary to London Heathrow Airport

Cheap Calgary to London Heathrow Airport (YYC to LHR) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Calgary to London Heathrow Airport

Best Price Found

Fastest flight time

Direct flights

How far is Calgary to London Heathrow by plane?

When did momondo last update prices for flights from Calgary Airport to London Heathrow Airport?

How many operators does momondo search for flights from Calgary Airport to London Heathrow Airport?

How old do you have to be to fly from Calgary Airport to London Heathrow Airport?

What documentation or ID do you need to fly to London Heathrow Airport?

What is the most popular plane model from Calgary to London Heathrow Airport?

What is the most popular airline from Calgary to London Heathrow Airport?

Best airlines flying from Calgary to London Heathrow Airport

Compare and see reviews for airlines that fly from Calgary to London Heathrow Airport with momondo

WestJet Flights From Calgary to London Heathrow Airport

Air Canada Flights From Calgary to London Heathrow Airport

Traveling to a place near London?

Why use momondo?

Why should I use momondo to find a flight deal from Calgary to London?

Can I find flights from Calgary to London with flexible booking policies on momondo?