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Heathrow

$174+ 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 11/30. Fares are subject to change and may not be available on all flights or dates of travel.
YYC — LHR
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
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Cheapflights Tip: The best prices from Calgary to London Heathrow are usually found in January or February, booked 86 days in advance, depart on a Tuesday or Wednesday and return on a Thursday

Find 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 October 30, 2025.

This WestJet deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure WestJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/139:10 pmYYC - LHR
Nonstop8h 40mWestJet
Tue 11/182:50 pmLHR - YYC
Nonstop9h 05mWestJet
Deal found 10/30$486
This Gotogate deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/206:25 pmYYC - LHR
Nonstop8h 45mMultiple Airlines
Tue 11/259:00 amLHR - YYC
2 stops21h 44mMultiple Airlines
Deal found 10/30$522
This WestJet deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure WestJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/119:10 pmYYC - LHR
Nonstop8h 40mWestJet
Wed 11/192:50 pmLHR - YYC
Nonstop9h 05mWestJet
Deal found 10/30$525
This Mytrip deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/146:25 pmYYC - LHR
Nonstop8h 45mMultiple Airlines
Fri 11/286:00 amLHR - YYC
2 stops21h 39mMultiple Airlines
Deal found 10/29$527
This Air Canada deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/206:25 pmYYC - LHR
Nonstop8h 45mAir Canada
Tue 11/253:00 pmLHR - YYC
Nonstop9h 00mAir Canada
Deal found 10/30$534
This Lufthansa deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/134:30 pmYYC - LHR
1 stop12h 20mLufthansa
Fri 11/283:00 pmLHR - YYC
Nonstop9h 00mLufthansa
Deal found 10/29$535
This Lufthansa deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/224:30 pmYYC - LHR
1 stop12h 20mLufthansa
Fri 11/283:00 pmLHR - YYC
Nonstop9h 00mLufthansa
Deal found 10/30$536
This Mytrip deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/124:30 pmYYC - LHR
1 stop12h 20mLufthansa
Thu 2/1211:10 amLHR - YYC
1 stop16h 29mLufthansa
Deal found 10/29$538
This Air Canada deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/275:35 amYYC - LHR
1 stop18h 35mAir Canada
Sat 12/131:25 pmLHR - YYC
2 stops17h 49mAir Canada
Deal found 10/29$541
This Mytrip deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/1412:45 pmYYC - LHR
2 stops17h 55mSWISS
Fri 11/286:00 amLHR - YYC
2 stops21h 39mSWISS
Deal found 10/29$544

Cheap flight deals from Calgary to Heathrow

Discover tips and strategies to find the most affordable flight options for your journey from Calgary (YYC) to Heathrow (LHR). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated October 30, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$486
(WestJet)

One-way from

$174
(FlightHub)

Popular in

July

Cheapest in

January

Average price

$675

Good round-trip deal

$471 or less

Good one-way deal

$169 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 ($20 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
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

 
Customize your flight search to find flights from Calgary to Heathrow that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated October 30, 2025.
Use the filters below to find and compare flights from Calgary to London Heathrow Airport that are best for you.

Fly from

Calgary

Fly to

Heathrow

Route

Depart

Return

Price

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

Thu 3/5

6:25 pm-10:10 am

Nonstop8h 45m

London Heathrow

Mon 3/9

3:00 pm-6:00 pm

Nonstop9h 00m

$540

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

Tue 2/3

6:25 pm-10:10 am

Nonstop8h 45m

London Heathrow

Tue 2/17

3:00 pm-5:00 pm

Nonstop9h 00m

$540

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

Wed 11/12

4:30 pm-11:50 am

1 stop12h 20m

London Heathrow

Thu 2/12

1:30 pm-12:14 am

2 stops17h 44m

$550

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

Fri 11/14

3:30 pm-10:50 am

2 stops36h 20m

London Heathrow

Fri 11/28

9:10 am-7:20 pm

1 stop17h 10m

$587

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

Wed 11/12

2:13 pm-9:40 am

1 stop12h 27m

London Heathrow

Mon 12/15

3:10 pm-11:35 am

2 stops27h 25m

$588

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

Fri 2/13

12:37 pm-6:40 am

2 stops35h 03m

London Heathrow

Sun 2/22

11:30 am-7:20 pm

2 stops38h 50m

$619

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

Wed 2/18

2:13 pm-9:40 am

1 stop12h 27m

London Heathrow

Tue 4/21

4:40 pm-11:54 am

2 stops26h 14m

$644

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

Thu 3/5

2:35 pm-1:50 pm

2 stops16h 15m

London Heathrow

Mon 3/9

10:00 am-7:12 pm

2 stops15h 12m

$652

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

Sun 11/30

9:10 pm-12:50 pm

Nonstop8h 40m

$174

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

Thu 2/12

9:10 pm-12:50 pm

Nonstop8h 40m

$183

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/29

Showing 1-10 of 16 results
1
2

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 October.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*3 stars
CheapOairPrice Accuracy3 starsTrust Score*3 stars
oojoPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy2 starsTrust Score*2 stars
Trip.comPrice Accuracy2 starsTrust Score*3 stars
SmartFaresPrice Accuracy1 starTrust Score*1 star

*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 CheapOair to be most consistent on Cheapflights vs. CheapOair Users can find the same prices on Calgary-London Heathrow Airport flight deals on Cheapflights vs. CheapOair >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 CheapOair the most. CheapOair 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

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

Use this chart to determine the optimal time to book a round-trip flight from Calgary to Heathrow. Price data was last updated on October 24, 2025.

The best time to book flights from Calgary to London Heathrow Airport is 86 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, February is the cheapest month in which you can book a flight from Calgary to London Heathrow Airport (average of $420). Flying from Calgary to London Heathrow Airport in August is currently the most expensive (average of $782). 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?

Find hourly flight availability from Calgary to Heathrow. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 30, 2025.

A simple way to save on the total cost of your ticket is to fly from Calgary to London Heathrow Airport in the evening. If you’re flexible enough to do this you can expect to save up to 36% on your trip compared to booking a flight in the afternoon.

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

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your Calgary to London Heathrow Airport trip
Airports
YYC

Calgary Airport offers a convenient LINK shuttle between terminals, making it easy to navigate during peak travel times.

Read more about YYCby Jenna Scatena
LHR

Take the Heathrow Express for the fastest route into central London, arriving at Paddington Station.

Read more about LHRby Ramsey Qubein
Our travel experts
Jenna Scatena

Jenna Scatena

Expert on YYC

Jenna Scatena

Jenna Scatena

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.

Read more
Ramsey Qubein

Ramsey Qubein

Expert on LHR

Ramsey Qubein

Ramsey Qubein

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.

Read more

Reviews of airlines servicing Heathrow

Get insights into the airlines that provide service to Heathrow. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Heathrow. Reviews last updated October 30, 2025.
Peruse reviews from past customers who have flown with WestJet, Air Canada, and Lufthansa 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
3,152 reviews

Overall

7.2

Boarding

7.4

Comfort

7.1

Crew

7.9

Food

6.2

Entertainment

6.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

YYC - NRT

I like direct flight from Calgary to Japan. But it’s my fault, I did not decide my seat till last minute. I was in the middle seat in the middle lane, I hesitated asking to go to bathroom.
WestJet
7.2
Good
3,152 reviews
WestJet
7.2
Good
3,152 reviews

Overall

7.2

Boarding

7.4

Comfort

7.1

Crew

7.9

Food

6.2

Entertainment

6.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

YYC - NRT

I like direct flight from Calgary to Japan. But it’s my fault, I did not decide my seat till last minute. I was in the middle seat in the middle lane, I hesitated asking to go to bathroom.
Air Canada
7.1
Good
10,383 reviews
WestJet
7.2
Good
3,152 reviews

Overall

7.2

Boarding

7.4

Comfort

7.1

Crew

7.9

Food

6.2

Entertainment

6.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

YYC - NRT

I like direct flight from Calgary to Japan. But it’s my fault, I did not decide my seat till last minute. I was in the middle seat in the middle lane, I hesitated asking to go to bathroom.
Lufthansa
6.8
Okay
7,542 reviews
WestJet
7.2
Good
3,152 reviews

Overall

7.2

Boarding

7.4

Comfort

7.1

Crew

7.9

Food

6.2

Entertainment

6.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

YYC - NRT

I like direct flight from Calgary to Japan. But it’s my fault, I did not decide my seat till last minute. I was in the middle seat in the middle lane, I hesitated asking to go to bathroom.
British Airways
6.7
Okay
7,488 reviews
WestJet
7.2
Good
3,152 reviews

Overall

7.2

Boarding

7.4

Comfort

7.1

Crew

7.9

Food

6.2

Entertainment

6.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

YYC - NRT

I like direct flight from Calgary to Japan. But it’s my fault, I did not decide my seat till last minute. I was in the middle seat in the middle lane, I hesitated asking to go to bathroom.

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?

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

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

    For as low as $540, Lufthansa can have you in London Heathrow Airport from Calgary in 8h 45m. The distance from Calgary to London Heathrow Airport is about 4355 mi. All flights are typically nonstop.

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

    According to our current data, WestJet ($462), Air Canada ($542), and Lufthansa ($655) 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 (83%), Aegean Airlines (83%) or Thai Airways (83%) 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 $1,028 for a flight from Calgary to London Heathrow Airport. The cheapest flight overall is $160 while the most popular route, (Calgary - London Heathrow) is currently priced at $485.

  • 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, February is the cheapest month in which you can book a flight from Calgary to London Heathrow Airport (average of $420). Flying from Calgary to London Heathrow Airport in August is currently the most expensive (average of $782). 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

Traveling to a place near London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Hounslow
Ilford
Hayes
Southend-on-Sea
Harrow
Croydon
Eastleigh
Dartford
Dover
Winchester
Orpington
Northampton
Gatwick
Borehamwood
Broadway
Aylesbury
Bedford
Chipping Norton
Wembley
Folkestone

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Calgary to Heathrow

See prices for flight routes from nearby airports that may be better suited for you.
Edmonton to Heathrow flights
Calgary to Gatwick flights

Top 4 airlines flying from Calgary to Heathrow

Discover the top 4 airlines that operate flights from Calgary to Heathrow. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapest$462Average$831FlexibilityNo cancel feeOn-time60%
Air CanadaCheapest$542Average$801FlexibilityNo cancel feeOn-time67%
LufthansaCheapest$655Average$936FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$698Average$820FlexibilityNo cancel feeOn-time70%

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