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Heathrow

$335+ 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 1/20. Fares are subject to change and may not be available on all flights or dates of travel.
YYC — LHR
Aug 29 — Sep 51
Sat 8/29
Sat 9/5
1 adult, Economy
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Find cheap flights from Calgary to Heathrow with Cheapflights

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Cheapflights Tip: The best prices from Calgary to London Heathrow are usually found in January or November, booked 73 days in advance, depart on a Monday or Wednesday and return on a Monday

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 July 30, 2026.

This Air Canada deal was found by Cheapflights users on 7/27. 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.
Wed 10/77:55 pm
YYC
-
LHR
Nonstop8h 55m
Air Canada
Wed 10/1410:15 am
LHR
-
YYC
Nonstop9h 35m
Air Canada
Deal found 7/27$715
This Air Canada deal was found by Cheapflights users on 7/28. 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.
Fri 11/66:30 pm
YYC
-
LHR
Nonstop7h 50m
Air Canada
Wed 11/111:25 pm
LHR
-
YYC
Nonstop10h 30m
Air Canada
Deal found 7/28$716
This Air Canada deal was found by Cheapflights users on 7/26. 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.
Mon 10/511:15 am
YYC
-
LHR
1 stop12h 15m
Air Canada
Mon 10/262:30 pm
LHR
-
YYC
1 stop12h 59m
Air Canada
Deal found 7/26$724
This Air Canada deal was found by Cheapflights users on 7/26. 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.
Sun 11/11:00 pm
YYC
-
LHR
1 stop15h 50m
Air Canada
Sat 11/141:00 pm
LHR
-
YYC
2 stops18h 24m
Air Canada
Deal found 7/26$726
This SWISS deal was found by Cheapflights users on 7/28. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/62:15 pm
YYC
-
LHR
2 stops15h 45m
SWISS
Tue 11/108:05 pm
LHR
-
YYC
2 stops32h 24m
SWISS
Deal found 7/28$732
This Expedia deal was found by Cheapflights users on 7/29. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/208:35 pm
YYC
-
LHR
Nonstop8h 30m
WestJet
Sun 11/12:50 pm
LHR
-
YYC
Nonstop10h 05m
WestJet
Deal found 7/29$734
This Air Canada deal was found by Cheapflights users on 7/28. 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.
Sun 10/47:55 pm
YYC
-
LHR
Nonstop8h 55m
Air Canada
Sat 10/1710:15 am
LHR
-
YYC
Nonstop9h 35m
Air Canada
Deal found 7/28$741

Find 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 July 30, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$699
(SWISS)

One-way from

$335
(oojo)

Popular in

August

Cheapest in

January

Average price

$1,053

Good round-trip deal

$889 or less

Good one-way deal

$491 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. 18% potential increase in price ($191 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($23 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 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

 
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 July 30, 2026.
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

Cheapest round-trip
Quickest round-trip

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

Wed 10/7

1:27 pm-9:40 am

1 stop13h 13m

London Heathrow

Sun 10/18

2:50 pm-9:48 pm

1 stop13h 58m

$768

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

Thu 9/10

1:51 pm-7:40 am

1 stop34h 49m

London Heathrow

Sun 10/4

8:55 am-9:42 pm

1 stop19h 47m

$899

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

Sun 8/16

1:52 pm-12:15 pm

1 stop15h 23m

London Heathrow

Wed 8/26

12:15 pm-11:42 pm

1 stop18h 27m

$966

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

Fri 12/11

6:00 am-8:10 am

2 stops20h 10m

London Heathrow

Wed 12/30

7:40 am-10:57 pm

2 stops21h 17m

$979

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

Thu 9/10

6:35 am-8:50 am

2 stops19h 15m

London Heathrow

Sun 10/4

6:30 am-1:20 pm

1 stop13h 50m

$1,006

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

Mon 10/5

12:00 pm-9:40 pm

2 stops26h 40m

London Heathrow

Mon 10/26

9:05 pm-9:00 pm

3 stops29h 55m

$1,017

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

Wed 9/30

10:00 am-5:40 pm

2 stops24h 40m

London Heathrow

Tue 10/13

6:40 am-9:55 pm

3 stops22h 15m

$1,037

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

Mon 9/7

7:15 pm-7:20 pm

2 stops17h 05m

London Heathrow

Mon 9/14

6:00 am-5:30 pm

2 stops18h 30m

$1,058

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

Mon 8/24

6:45 am-7:40 am

2 stops17h 55m

London Heathrow

Tue 9/1

8:40 am-8:35 pm

2 stops18h 55m

$1,060

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

Tue 12/22

7:45 am-6:45 am

2 stops17h 00m

London Heathrow

Mon 1/11

8:40 am-9:54 pm

2 stops19h 14m

$1,067

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/25

Showing 1-10 of 22 resultsSorted by cheapest first
1
2
3

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 July.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
Kiwi.comPrice Accuracy3 starsTrust Score*3 stars
CheapOairPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy2 starsTrust Score*3 stars
GurufarePrice Accuracy3 starsTrust Score*3 stars
ExpediaPrice Accuracy1 starTrust 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 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

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 $543). Flying from Calgary to London Heathrow Airport in August is currently the most expensive (average of $1,064). 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 July 30, 2026.

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?

Airfare is below average for this route at the moment.

Calgary to London Heathrow Airport flights typically cost between $933 and $1,191 in January.
The cheapest round-trip price found within the last 5 days was $699 on SWISS (Jan 15-Jan 31).

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
Our travel experts
Jenna Scatena

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.

Read more
Ramsey Qubein

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.

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 July 30, 2026.
Peruse reviews from past customers who have flown with WestJet,Air Canada, andLufthansa 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
3,415 reviews

Food

6.2

Crew

7.9

Overall

7.2

Entertainment

6.1

Comfort

7.0

Boarding

7.4

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
3,415 reviews
WestJet
7.2
Good
3,415 reviews

Food

6.2

Crew

7.9

Overall

7.2

Entertainment

6.1

Comfort

7.0

Boarding

7.4

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
11,407 reviews
WestJet
7.2
Good
3,415 reviews

Food

6.2

Crew

7.9

Overall

7.2

Entertainment

6.1

Comfort

7.0

Boarding

7.4

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
8,163 reviews
WestJet
7.2
Good
3,415 reviews

Food

6.2

Crew

7.9

Overall

7.2

Entertainment

6.1

Comfort

7.0

Boarding

7.4

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

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 9 flights from Calgary to London Heathrow per day from 3 different airlines.

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

    For as low as $768, United Airlines can have you in London Heathrow Airport from Calgary in 13h 13m. 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, Air Canada ($361), WestJet ($520), and Lufthansa ($535) offers the cheapest pricing from Calgary to London Heathrow Airport. Users have found that Air Canada is 56% cheaper than the other options available to this destination.

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

    Consider Croatia Airlines (88%), WestJet (77%) or Air Canada (73%) 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 $2,114 for a flight from Calgary to London Heathrow Airport. The cheapest flight overall is $246 while the most popular route, (Calgary - London Heathrow) is currently priced at $637.

  • 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 $543). Flying from Calgary to London Heathrow Airport in August is currently the most expensive (average of $1,064). 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
Ilford
Dorking
Hounslow
Winchester
Croydon
Gatwick
Wembley
Harrow
Eastleigh
Southend-on-Sea
Watford
Northampton
Dartford
Chipping Norton
Kingston upon Thames
Eastbourne
Slough
Stansted
Sutton
Luton

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 3 airlines flying from Calgary to Heathrow

Discover the top 3 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 July 30, 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$361Average$921FlexibilityNo cancel feeOn-time67%
WestJetCheapest$520Average$969FlexibilityNo cancel feeOn-time60%
LufthansaCheapest$535Average$967FlexibilityNo cancel feeOn-time76%

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