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

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

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

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

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 52% of people opting to fly with this airline when traveling to London Heathrow Airport. Keep in mind that there are 5 different airlines that fly to London Heathrow Airport on a routine basis, so you have a few additional options to choose from.

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

Air Canada is the most popular carrier operating from Calgary to London Heathrow

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 14% of their flights experiencing any sort of delay.

How often are flights from Calgary to London delayed?

Historically, on average around 17% 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 day?

The number of flights available between Calgary and London Heathrow Airport is 12 per day as of May 2026. The most frequent departure time is 7:00PM, 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 86 per week as of May 2026. The most frequent departure day is Tue, with 15% of weekly flights leaving on this day.

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 5 as of May 2026.

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.

$353 Cheap Flights from Calgary to London Heathrow Airport in 2026

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 $959 to $754. The lowest price recently found on this route was $810.

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Find the cheapest flights from Calgary to London

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Cheap round-trip flights

Enter your travel dates to find the best prices.

7:55 pm - 11:50 am

YYC

LHR

8h 55mnonstop

10:15 am - 12:50 pm

LHR

YYC

9h 35mnonstop

$810Air Canada

Tue, Oct 13 - Tue, Oct 20

2:05 pm - 1:20 pm

YYC

LHR

16h 15m

1 stop

3:05 pm - 9:49 pm

LHR

YYC

13h 44m

1 stop

$813Air Canada

Tue, Oct 6 - Tue, Oct 20

2:25 pm - 10:00 am

YYC

LHR

12h 35m

1 stop

3:05 pm - 8:39 pm

LHR

YYC

12h 34m

1 stop

$814Air Canada

Tue, Oct 13 - Tue, Oct 20

6:55 pm - 8:20 pm

YYC

LHR

18h 25m

1 stop

9:25 pm - 10:00 am

LHR

YYC

19h 35m

1 stop

$820Multiple Airlines

Mon, Jun 15 - Mon, Jun 22

11:55 pm - 8:35 am

YYC

LHR

25h 40m

1 stop

3:05 pm - 8:39 pm

LHR

YYC

12h 34m

1 stop

$837Air Canada

Wed, Sep 30 - Tue, Oct 13

11:55 pm - 8:35 am

YYC

LHR

25h 40m

1 stop

10:15 am - 12:50 pm

LHR

YYC

9h 35mnonstop

$839Air Canada

Wed, Sep 30 - Tue, Oct 13

11:55 pm - 8:35 am

YYC

LHR

25h 40m

1 stop

3:05 pm - 9:49 pm

LHR

YYC

13h 44m

1 stop

$842Air Canada

Wed, Sep 30 - Tue, Oct 13

7:55 pm - 11:50 am

YYC

LHR

8h 55mnonstop

10:15 am - 12:50 pm

LHR

YYC

9h 35mnonstop

$849Air Canada

Sun, Oct 4 - Sat, Oct 17

7:55 pm - 11:50 am

YYC

LHR

8h 55mnonstop

10:15 am - 12:50 pm

LHR

YYC

9h 35mnonstop

$851Air Canada

Sun, Oct 4 - Sat, Oct 17

2:25 pm - 10:00 am

YYC

LHR

12h 35m

1 stop

2:10 pm - 8:40 pm

LHR

YYC

13h 30m

1 stop

$852Air Canada

Sun, Oct 4 - Sat, Oct 17

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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

United Airlines

Oct 13

YYC6:45 amCalgary

16h 10m

1 stop

LHR5:55 amLondon Heathrow

Oct 20

LHR7:45 amLondon Heathrow

21h 03m

2 stops

YYC9:48 pmCalgary

$865

United Airlines

Oct 6

YYC6:45 amCalgary

17h 10m

2 stops

LHR6:55 amLondon Heathrow

Oct 20

LHR8:00 amLondon Heathrow

20h 48m

2 stops

YYC9:48 pmCalgary

$869

United Airlines

Sep 22

YYC6:45 amCalgary

17h 30m

1 stop

LHR7:15 amLondon Heathrow

Oct 12

LHR8:00 amLondon Heathrow

44h 48m

2 stops

YYC9:48 pmCalgary

$919

Air Canada flights from Calgary to London Heathrow Airport

Our best Air Canada deals on Calgary to London Heathrow Airport flight tickets

Air Canada

Oct 13

YYC7:55 pmCalgary

8h 55m

LHR11:50 amLondon Heathrow

Oct 20

LHR10:15 amLondon Heathrow

9h 35m

YYC12:50 pmCalgary

$810

Air Canada

Oct 6

YYC2:05 pmCalgary

16h 15m

1 stop

LHR1:20 pmLondon Heathrow

Oct 20

LHR3:05 pmLondon Heathrow

13h 44m

1 stop

YYC9:49 pmCalgary

$813

Air Canada

Oct 13

YYC2:25 pmCalgary

12h 35m

1 stop

LHR10:00 amLondon Heathrow

Oct 20

LHR3:05 pmLondon Heathrow

12h 34m

1 stop

YYC8:39 pmCalgary

$814

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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Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

Tue 10/13

7:55 pm-11:50 am

Nonstop8h 55m

London Heathrow

Tue 10/20

10:15 am-12:50 pm

Nonstop9h 35m

$810

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

Tue 10/6

2:05 pm-1:20 pm

1 stop16h 15m

London Heathrow

Tue 10/20

3:05 pm-9:49 pm

1 stop13h 44m

$813

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

Tue 10/13

2:25 pm-10:00 am

1 stop12h 35m

London Heathrow

Tue 10/20

3:05 pm-8:39 pm

1 stop12h 34m

$814

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

Mon 6/15

6:55 pm-8:20 pm

1 stop18h 25m

London Heathrow

Mon 6/22

9:25 pm-10:00 am

1 stop19h 35m

$820

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

Wed 9/30

11:55 pm-8:35 am

1 stop25h 40m

London Heathrow

Tue 10/13

3:05 pm-8:39 pm

1 stop12h 34m

$837

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

Wed 9/30

11:55 pm-8:35 am

1 stop25h 40m

London Heathrow

Tue 10/13

10:15 am-12:50 pm

Nonstop9h 35m

$839

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

Wed 9/30

11:55 pm-8:35 am

1 stop25h 40m

London Heathrow

Tue 10/13

3:05 pm-9:49 pm

1 stop13h 44m

$842

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

Sun 10/4

7:55 pm-11:50 am

Nonstop8h 55m

London Heathrow

Sat 10/17

10:15 am-12:50 pm

Nonstop9h 35m

$849

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

Sun 10/4

7:55 pm-11:50 am

Nonstop8h 55m

London Heathrow

Sat 10/17

10:15 am-12:50 pm

Nonstop9h 35m

$851

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

Sun 10/4

2:25 pm-10:00 am

1 stop12h 35m

London Heathrow

Sat 10/17

2:10 pm-8:40 pm

1 stop13h 30m

$852

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

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 $541. If you’re not able to fly to London Heathrow Airport in January, then November is your next best option. Flight prices from Calgary to London Heathrow Airport during November average around $548.

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

Our data shows that Tuesday is the least expensive day to fly to London Heathrow Airport. Tickets to fly out on this day can be as low as $968. The most expensive day to fly to London Heathrow Airport is Sunday, with ticket prices averaging around $1,078.

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 $997. 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 $1,402.

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 from Calgary 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 $801 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 $708 on momondo.

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

As of May 2026, prices for Calgary to London Heathrow Airport flights are approximately 11% 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	$360
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 $360. The best round-trip flight deal from Calgary to London Heathrow Airport found on momondo in the last 72 hours is $980.

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

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

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Frequently asked questions about flying from Calgary to London Heathrow Airport

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 30m.
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 5 as of May 2026.
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 (58.94% of total bookings). The next most popular plane models are Airbus A330-300 (32.53%), Boeing 787-8 Dreamliner (6.33%), and Boeing 777-300ER (0.84%).
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 51% of all bookings. The subsequent popular airlines are Air Canada at 34%, Lufthansa at 11%, and British Airways at 3%.

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 $514	Free Cancellation	Rating 7.2 3,331 reviews	Search WestJet flights
Air Canada	PriceFrom $540	Free Cancellation	Rating 7.1 11,000 reviews	Search Air Canada flights
Lufthansa	PriceFrom $560	Free Cancellation	Rating 6.8 7,974 reviews	Search Lufthansa flights
Delta	PriceFrom $598	Free Cancellation	Rating 7.9 8,459 reviews	Search Delta flights
British Airways	PriceFrom $698	Free Cancellation	Rating 6.7 7,944 reviews	Search British Airways flights

WestJet Flights From Calgary to London Heathrow Airport
WestJet flight deals from Calgary to London Heathrow Airport start from $514 round-trip. Over the 7 WestJet flights for this route in a normal week, average airfare is usually $972 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 11,000 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 $901, with deals from around $540 rare but found on momondo. Referenced prices are for round-trip Calgary to London Heathrow Airport flight searches in the last 72 hours.

Hounslow

Gatwick

Milton Keynes

Dover

Luton

Hayes

Stratford-upon-Avon

Crawley

Slough

Wembley

Stansted

Watford

Croydon

Uxbridge

Brentwood

Dartford

Cobham

Folkestone

Romford

Harrow

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.

An easier way to manage your London Heathrow Airport trip

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Flights to London Gatwick Airportfrom $460

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Flights to London City Airportfrom $674

Flights to London Luton Airportfrom $533

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Flights to Belfast Intl Airportfrom $681

Flights to London Southend Airportfrom $723

Flights to Belfast City Airportfrom $711

Cheap flights from Calgary to London from $353

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 7/15. 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

Air Canada flights from Calgary to London Heathrow Airport

Our best Air Canada 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.

See travel insights to London from

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

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?

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?

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

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

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

What airlines fly 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?

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

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

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

Frequently asked questions about flying 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

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