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

WestJet and Aer Lingus are the most popular carriers operating from Calgary to London Heathrow

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.

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 79 per week as of September 2025. The most frequent departure day is Tue, with 15% of weekly flights leaving on this day.

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.

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.

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 September 2025. The most frequent departure time is 8:00PM, 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 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.

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 September 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.

$162 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 $768 to $960. The lowest price recently found on this route was $541.

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Find the cheapest flights from Calgary to London

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

6:25 pm - 10:10 amYYC-LHR

8h 45mnonstop

3:00 pm - 5:00 pmLHR-YYC

9h 00mnonstop

$541Lufthansa

Find Deal

Tue, Nov 25 - Sun, Nov 30

6:25 pm - 10:10 amYYC-LHR

8h 45mnonstop

3:00 pm - 5:00 pmLHR-YYC

9h 00mnonstop

$542Lufthansa

Find Deal

Wed, Nov 19 - Mon, Nov 24

6:40 pm - 10:20 amYYC-LHR

8h 40mnonstop

6:50 am - 11:44 pmLHR-YYC

22h 54m2 stops

$550Multiple Airlines

Find Deal

Sat, Oct 25 - Fri, Oct 31

2:13 pm - 9:40 amYYC-LHR

12h 27m1 stop

3:00 pm - 5:00 pmLHR-YYC

9h 00mnonstop

$569Air Canada

Find Deal

Tue, Nov 4 - Tue, Nov 11

6:20 am - 11:05 amYYC-LHR

21h 45m2 stops

4:40 pm - 11:41 amLHR-YYC

50h 01m2 stops

$580United Airlines

Find Deal

Sat, Feb 14 - Sun, Feb 22

3:30 pm - 12:00 pmYYC-LHR

38h 30m1 stop

6:35 am - 2:21 pmLHR-YYC

38h 46m2 stops

$581United Airlines

Find Deal

Sat, Nov 1 - Sat, Nov 8

6:10 pm - 2:45 pmYYC-LHR

14h 35m1 stop

2:30 pm - 8:59 pmLHR-YYC

13h 29m1 stop

$586Multiple Airlines

Find Deal

Thu, Oct 30 - Thu, Nov 6

9:10 pm - 12:50 pmYYC-LHR

8h 40mnonstop

2:10 pm - 4:00 pmLHR-YYC

8h 50mnonstop

$612WestJet

Find Deal

Fri, Jan 9 - Wed, Apr 15

8:35 pm - 12:05 pmYYC-LHR

8h 30mnonstop

2:50 pm - 5:55 pmLHR-YYC

9h 05mnonstop

$619WestJet

Find Deal

Mon, Oct 20 - Sun, Oct 26

1:10 am - 6:30 amYYC-LHR

22h 20m1 stop

2:30 pm - 10:44 pmLHR-YYC

14h 14m1 stop

$620Air Canada

Find Deal

Tue, Sep 30 - Wed, Oct 29

KLM flights from Calgary to London Heathrow Airport

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

KLM

Oct 7

YYC2:59 pmCalgary

15h 11m

1 stop

LHR1:10 pmLondon Heathrow

Oct 21

LHR8:40 amLondon Heathrow

11h 40m

1 stop

YYC1:20 pmCalgary

$649

Find similar

KLM

Oct 7

YYC2:59 pmCalgary

15h 11m

1 stop

LHR1:10 pmLondon Heathrow

Oct 16

LHR6:30 amLondon Heathrow

13h 50m

1 stop

YYC1:20 pmCalgary

$651

Find similar

KLM

Sep 20

YYC2:45 pmCalgary

15h 25m

1 stop

LHR1:10 pmLondon Heathrow

Oct 14

LHR8:40 amLondon Heathrow

11h 40m

1 stop

YYC1:20 pmCalgary

$653

Find similar

United Airlines flights from Calgary to London Heathrow Airport

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

United Airlines

Feb 14

YYC6:20 amCalgary

21h 45m

2 stops

LHR11:05 amLondon Heathrow

Feb 22

LHR4:40 pmLondon Heathrow

50h 01m

2 stops

YYC11:41 amCalgary

$580

Find similar

United Airlines

Nov 1

YYC3:30 pmCalgary

38h 30m

1 stop

LHR12:00 pmLondon Heathrow

Nov 8

LHR6:35 amLondon Heathrow

38h 46m

2 stops

YYC2:21 pmCalgary

$581

Find similar

United Airlines

Nov 15

YYC3:30 pmCalgary

33h 55m

3 stops

LHR8:25 amLondon Heathrow

Nov 27

LHR6:50 amLondon Heathrow

19h 30m

2 stops

YYC7:20 pmCalgary

$582

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.

Fly from

Fly to

Route

Depart

Return

Price

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

Tue 11/25

6:25 pm-10:10 am

Nonstop8h 45m

London Heathrow

Sun 11/30

3:00 pm-5:00 pm

Nonstop9h 00m

$541

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

Wed 11/19

6:25 pm-10:10 am

Nonstop8h 45m

London Heathrow

Mon 11/24

3:00 pm-5:00 pm

Nonstop9h 00m

$542

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

Sat 10/25

6:40 pm-10:20 am

Nonstop8h 40m

London Heathrow

Fri 10/31

6:50 am-11:44 pm

2 stops22h 54m

$550

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

Tue 11/4

2:13 pm-9:40 am

1 stop12h 27m

London Heathrow

Tue 11/11

3:00 pm-5:00 pm

Nonstop9h 00m

$569

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

Sat 2/14

6:20 am-11:05 am

2 stops21h 45m

London Heathrow

Sun 2/22

4:40 pm-11:41 am

2 stops50h 01m

$580

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

Sat 11/1

3:30 pm-12:00 pm

1 stop38h 30m

London Heathrow

Sat 11/8

6:35 am-2:21 pm

2 stops38h 46m

$581

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

Thu 10/30

6:10 pm-2:45 pm

1 stop14h 35m

London Heathrow

Thu 11/6

2:30 pm-8:59 pm

1 stop13h 29m

$586

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

Fri 1/9

9:10 pm-12:50 pm

Nonstop8h 40m

London Heathrow

Wed 4/15

2:10 pm-4:00 pm

Nonstop8h 50m

$612

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

Mon 10/20

8:35 pm-12:05 pm

Nonstop8h 30m

London Heathrow

Sun 10/26

2:50 pm-5:55 pm

Nonstop9h 05m

$619

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

Tue 9/30

1:10 am-6:30 am

1 stop22h 20m

London Heathrow

Wed 10/29

2:30 pm-10:44 pm

1 stop14h 14m

$620

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

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 February is, on average, the cheapest month to fly to London Heathrow Airport from Calgary, with most prices found around $558. If you’re not able to fly to London Heathrow Airport in February, then January is your next best option. Flight prices from Calgary to London Heathrow Airport during January average around $560.

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 $890. The most expensive day to fly to London Heathrow Airport is Sunday, with ticket prices averaging around $1,183.

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 $896. 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 $1,398.

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 $766 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 $684 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 September 2025, prices for Calgary to London Heathrow Airport flights are approximately 0% more expensive 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	$235
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 $235. The best round-trip flight deal from Calgary to London Heathrow Airport found on momondo in the last 72 hours is $622.

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 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 4 as of September 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 787-8 Dreamliner (73.82% of total bookings). The next most popular plane models are Boeing 787-9 Dreamliner (16.47%), Boeing 777-300ER (3.97%), and Airbus A330-300 (1.03%).
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 35%, Lufthansa at 18%, 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 $450	Free Cancellation	Rating 7.2 3,095 reviews	Search WestJet flights
Air Canada	PriceFrom $569	Free Cancellation	Rating 7.1 10,000 reviews	Search Air Canada flights
Lufthansa	PriceFrom $571	Free Cancellation	Rating 6.8 7,409 reviews	Search Lufthansa flights
British Airways	PriceFrom $698	Free Cancellation	Rating 6.7 7,367 reviews	Search British Airways flights

WestJet Flights From Calgary to London Heathrow Airport
WestJet flight deals from Calgary to London Heathrow Airport start from $450 round-trip. Over the 7 WestJet flights for this route in a normal week, average airfare is usually $827 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 10,000 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 $804, with deals from around $569 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

Dover

Luton

Slough

Milton Keynes

Hayes

Guildford

Dartford

Crawley

Stansted

Chelmsford

Salisbury

Brentwood

Ilford

Folkestone

Colchester

Swindon

Stratford-upon-Avon

Watford

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 Southend Airportfrom $486

Flights to Belfast City Airportfrom $514

Cheap flights from Calgary to London from $162

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 10/7. 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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Find the cheapest flights from Calgary to London

Cheap round-trip flights

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KLM flights from Calgary to London Heathrow Airport

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

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Our best United Airlines 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

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 Tuesday is the least expensive day to fly to London Heathrow Airport. Tickets to fly out on this day can be as low as $890. The most expensive day to fly to London Heathrow Airport is Sunday, with ticket prices averaging around $1,183.

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 September 2025, prices for Calgary to London Heathrow Airport flights are approximately 0% more expensive when compared to flights at the same time last year.

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

WestJet and Aer Lingus are the most popular carriers operating from Calgary to London Heathrow

What airlines fly to London Heathrow Airport?

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 September 2025. The most frequent departure time is 8:00PM, 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 79 per week as of September 2025. The most frequent departure day is Tue, with 15% 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?

How can momondo help me find flights 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?

An easier way to manage your London Heathrow Airport trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to London

Popular cities in the United Kingdom