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Cheap flights from Calgary to London Heathrow Airport from £234

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 16/7. Fares are subject to change and may not be available on all flights or dates of travel.
YYC — LHR
9 Jul — 16 Jul1
1 adult

Cheapflights Tip: The best prices from Calgary to London Heathrow are usually found in January or February, booked 41 days in advance, depart on a Wednesday or Saturday and return on a Friday

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 4 July 2025.

Round-trip from

£522

One-way from

£234

Popular in

July

Cheapest in

January

Average price

£735

Good round-trip deal

£630 or less

Good one-way deal

£256 or less
Lufthansa
  • Lufthansa
  • 29/9-24/10
  • Nonstop
  • 17h 35m total
  • Calgary to London
16/7
  • 16/7
  • 3 total stops
  • 27h 50m total
  • Calgary to London
Highest demand for flights based on searches. 20% potential increase in price (£105 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease (£12 potential savings vs. average return price).
Average for round-trip flights in July 2025
Price to beat on a round-trip flight from Calgary to London Heathrow.
Price to beat on a one-way flight from Calgary to London Heathrow.

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 4 July 2025.

Mon 29/920:10YYC - LHR
Nonstop8h 40mLufthansa
Fri 24/1010:15LHR - YYC
Nonstop8h 55mLufthansa
Deal found 3/7£522
Thu 16/1006:15YYC - LHR
2 stops22h 30mUnited Airlines
Thu 30/1007:40LHR - YYC
2 stops19h 58mUnited Airlines
Deal found 2/7£524
Tue 7/1020:35YYC - LHR
Nonstop8h 30mWestJet
Wed 8/1014:10LHR - YYC
Nonstop8h 50mWestJet
Deal found 2/7£525
Mon 6/1015:15YYC - LHR
1 stop12h 30mKLM
Wed 29/1012:10LHR - YYC
1 stop14h 44mKLM
Deal found 3/7£528
Wed 27/820:35YYC - LHR
Nonstop8h 30mMultiple Airlines
Wed 17/906:40LHR - YYC
2 stops23h 02mMultiple Airlines
Deal found 2/7£530
Wed 8/1006:35YYC - LHR
2 stops19h 25mDelta
Wed 15/1012:45LHR - YYC
1 stop15h 09mDelta
Deal found 2/7£530
Fri 7/1100:45YYC - LHR
1 stop23h 25mAir Canada
Sat 15/1114:30LHR - YYC
1 stop12h 39mAir Canada
Deal found 3/7£535
Tue 7/1006:45YYC - LHR
2 stops20h 45mAmerican Airlines
Tue 14/1008:50LHR - YYC
2 stops20h 04mAmerican Airlines
Deal found 2/7£541

Cheapflights Fare Finder

Customise 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 858,174 searches. Data last updated 4 July 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

Mon 29/9

20:10-11:50

Nonstop8h 40m

London Heathrow

Fri 24/10

10:15-12:10

Nonstop8h 55m

£522

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

Thu 16/10

06:15-11:45

2 stops22h 30m

London Heathrow

Thu 30/10

07:40-21:38

2 stops19h 58m

£524

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

Tue 7/10

20:35-12:05

Nonstop8h 30m

London Heathrow

Wed 8/10

14:10-16:00

Nonstop8h 50m

£525

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

Mon 6/10

15:15-10:45

1 stop12h 30m

London Heathrow

Wed 29/10

12:10-20:54

1 stop14h 44m

£528

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

Wed 27/8

20:35-12:05

Nonstop8h 30m

London Heathrow

Wed 17/9

06:40-22:42

2 stops23h 02m

£530

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

Wed 8/10

06:35-09:00

2 stops19h 25m

London Heathrow

Wed 15/10

12:45-20:54

1 stop15h 09m

£530

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

Fri 7/11

00:45-07:10

1 stop23h 25m

London Heathrow

Sat 15/11

15:00-17:00

Nonstop9h 00m

£535

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

Tue 7/10

06:45-10:30

2 stops20h 45m

London Heathrow

Tue 14/10

08:50-21:54

2 stops20h 04m

£541

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

Fri 18/7

01:05-11:55

3 stops27h 50m

£234

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

Sun 14/9

20:35-12:05

Nonstop8h 30m

£240

Flights are sorted by cheapest return flights first.

Deals found on 3/7

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 return 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 return flight from Calgary to Heathrow. Price data was last updated on 27 June 2025.

To ensure you get the cheapest price possible for a flight from Calgary to London Heathrow Airport, you should look to book at least 41 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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 £112). Flying from Calgary to London Heathrow Airport in August is currently the most expensive (average of £164). 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 4 July 2025.

A simple way to save on the total cost of your ticket is to fly from Calgary to London Heathrow Airport in the afternoon. If you’re flexible enough to do this you can expect to save up to 33% on your trip compared to booking a flight at midday.

Weekly flight availability from Calgary to London Heathrow Airport

Explore weekly flight availability from Calgary to Heathrow. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 4 July 2025.

The most flights from YYC to LHR are scheduled on a Monday (11 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (10 on average).

How much does it cost for a return flight from Calgary to London Heathrow Airport?

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 4 July 2025.
Get a feel of what it's like to fly with KLM, United Airlines, andAmerican Airlines from Calgary to London Heathrow Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Comfort

7.7

Crew

8.4

Boarding

7.8

Overall

7.8

Entertainment

7.1

Food

7.2

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Comfort

7.7

Crew

8.4

Boarding

7.8

Overall

7.8

Entertainment

7.1

Food

7.2

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Comfort

7.7

Crew

8.4

Boarding

7.8

Overall

7.8

Entertainment

7.1

Food

7.2

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Comfort

7.7

Crew

8.4

Boarding

7.8

Overall

7.8

Entertainment

7.1

Food

7.2

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Comfort

7.7

Crew

8.4

Boarding

7.8

Overall

7.8

Entertainment

7.1

Food

7.2

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Comfort

7.7

Crew

8.4

Boarding

7.8

Overall

7.8

Entertainment

7.1

Food

7.2

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

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

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

    Currently priced at £522, Lufthansa will fly you from Calgary to London Heathrow Airport and back. In addition to Lufthansa, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from WestJet and United Airlines - these airlines can fly you to your destination from £523 and £526, respectively. Lufthansa is 8% cheaper than the average price of flights available within the next 90 days to this destination.

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

    Consider Croatia Airlines (94%), Air Canada (88%) or Aegean Airlines (88%) 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 £658 for a flight from Calgary to London Heathrow Airport. The cheapest flight overall is £236 while the most popular route, (Calgary - London Heathrow) is currently priced at £451.

  • 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 holiday 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 £112). Flying from Calgary to London Heathrow Airport in August is currently the most expensive (average of £164). 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

Travelling to a place near Calgary?

Book flights to Calgary if you plan to visit one of these locations
Hounslow
Croydon
Milton Keynes
Deal
Northampton
Gatwick
Luton
Slough
Wembley
Crawley
Eastbourne
Ilford
Hayes
Folkestone
Southend-on-Sea
Watford
Ipswich
Winchester
Swindon
Maidstone

Browse thousands of different options on Cheapflights for your next trip

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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 858,174 searches. Data last updated 4 July 2025.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapest£333Average£547FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Air CanadaCheapest£410Average£604FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Virgin AtlanticCheapest£412Average£517FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
LufthansaCheapest£413Average£635FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Calgary to Heathrow?

Deals for Calgary to Heathrow flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Calgary to Heathrow?

Cheapflights helps you find that perfect flight to Heathrow from Calgary by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Calgary to Heathrow with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Calgary to Heathrow flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Calgary to Heathrow become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Heathrow from Calgary today and book when prices fit your budget.

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