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Cheap flights from Calgary to London Heathrow Airport from C$ 258

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 27/12. Fares are subject to change and may not be available on all flights or dates of travel.
YYC — LHR
11 Oct — 18 Oct1
1 adult
1 adult, Economy

Cheapflights Tip: The best prices from Calgary to London Heathrow are usually found in February or January, booked 72 days in advance, depart on a Thursday or Sunday and return on a Tuesday

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 11 September 2025.

Round-trip from

C$ 737

One-way from

C$ 265

Popular in

July

Cheapest in

February

Average price

C$ 1,147

Good round-trip deal

C$ 744 or less

Good one-way deal

C$ 320 or less
Air Canada
  • Air Canada
  • 26/10-2/11
  • Nonstop
  • 17h 45m total
  • Calgary to London
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WestJet
  • WestJet
  • 12/2
  • Nonstop
  • 8h 40m total
  • Calgary to London
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Highest demand for flights based on searches. 20% potential increase in price (C$ 370 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease (C$ 40 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from Calgary to London Heathrow.
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Price to beat on a one-way flight from Calgary to London Heathrow.
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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 11 September 2025.

Sun 26/107:25 p.m.YYC - LHR
Nonstop8h 45mAir Canada
Sun 2/113:00 p.m.LHR - YYC
Nonstop9h 00mAir Canada
Deal found 11/9C$ 737
Thu 23/101:25 p.m.YYC - LHR
1 stop16h 55mMultiple Airlines
Tue 4/113:00 p.m.LHR - YYC
Nonstop9h 00mMultiple Airlines
Deal found 9/9C$ 739
Wed 5/116:15 p.m.YYC - LHR
1 stop34h 05mAir Canada
Fri 5/129:00 a.m.LHR - YYC
2 stops18h 39mAir Canada
Deal found 9/9C$ 743
Mon 1/124:30 p.m.YYC - LHR
1 stop12h 20mMultiple Airlines
Wed 7/18:30 a.m.LHR - YYC
1 stop13h 55mMultiple Airlines
Deal found 10/9C$ 747
Sun 26/107:25 p.m.YYC - LHR
Nonstop8h 45mLufthansa
Sun 2/113:00 p.m.LHR - YYC
Nonstop9h 00mLufthansa
Deal found 11/9C$ 748
Tue 25/114:30 p.m.YYC - LHR
1 stop12h 20mAir Canada
Sun 30/113:00 p.m.LHR - YYC
Nonstop9h 00mAir Canada
Deal found 10/9C$ 750
Tue 11/1112:35 p.m.YYC - LHR
2 stops15h 45mMultiple Airlines
Tue 2/126:50 a.m.LHR - YYC
2 stops16h 14mMultiple Airlines
Deal found 11/9C$ 752
Mon 6/108:35 p.m.YYC - LHR
Nonstop8h 30mMultiple Airlines
Mon 20/107:35 p.m.LHR - YYC
2 stops30h 47mMultiple Airlines
Deal found 11/9C$ 754
Mon 1/124:30 p.m.YYC - LHR
1 stop12h 20mLufthansa
Wed 7/19:30 a.m.LHR - YYC
1 stop12h 55mLufthansa
Deal found 10/9C$ 761

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 629,999 searches. Data last updated 11 September 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

Sun 26/10

7:25 p.m.-10:10 a.m.

Nonstop8h 45m

London Heathrow

Sun 2/11

3:00 p.m.-5:00 p.m.

Nonstop9h 00m

C$ 748

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

Thu 23/10

8:10 p.m.-11:50 a.m.

Nonstop8h 40m

London Heathrow

Tue 4/11

3:00 p.m.-5:00 p.m.

Nonstop9h 00m

C$ 750

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

Sun 11/1

12:45 p.m.-7:10 a.m.

1 stop11h 25m

London Heathrow

Mon 19/1

3:00 p.m.-5:00 p.m.

Nonstop9h 00m

C$ 750

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

Wed 5/11

8:25 a.m.-9:20 p.m.

1 stop29h 55m

London Heathrow

Fri 5/12

9:00 a.m.-8:39 p.m.

2 stops18h 39m

C$ 770

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

Wed 22/10

1:30 p.m.-8:40 p.m.

2 stops24h 10m

London Heathrow

Wed 29/10

9:10 a.m.-7:20 p.m.

1 stop16h 10m

C$ 820

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

Sun 26/10

6:15 a.m.-9:40 a.m.

1 stop21h 25m

London Heathrow

Sun 2/11

4:00 p.m.-11:35 a.m.

2 stops26h 35m

C$ 820

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

Tue 25/11

2:13 p.m.-9:40 a.m.

1 stop12h 27m

London Heathrow

Mon 23/2

12:50 p.m.-11:54 a.m.

2 stops30h 04m

C$ 820

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

Sat 25/10

6:15 a.m.-10:40 a.m.

1 stop21h 25m

London Heathrow

Sat 1/11

9:10 a.m.-7:20 p.m.

1 stop16h 10m

C$ 820

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

Tue 25/11

8:25 a.m.-6:20 a.m.

1 stop14h 55m

London Heathrow

Sat 28/2

1:45 p.m.-12:24 p.m.

1 stop29h 39m

C$ 820

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

Sat 27/12

9:10 p.m.-12:50 p.m.

Nonstop8h 40m

C$ 258

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

Showing 1-10 of 21 results
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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 29 August 2025.

The price you pay for your flight from Calgary to London Heathrow Airport may vary depending on when you book. For the best chance of a lower fare, look to book 72 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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 C$ 560). Flying from Calgary to London Heathrow Airport in July is currently the most expensive (average of C$ 856). 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 11 September 2025.

One of the essential ways to save on airfare from Calgary to London Heathrow Airport is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight in the morning could potentially save you up to 40% on airfare.

What is the cheapest day to fly from Calgary to London Heathrow Airport?

Use this chart to determine the cheapest time to fly round-trip from Calgary to Heathrow. Price data was last updated on 16 December 2024.

Travelers seeking maximum savings on their Calgary to London Heathrow Airport flight should consider departing on Monday mornings when fares are most often at their lowest. Saturday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

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 11 September 2025.
Get a feel of what it's like to fly with KLM,WestJet, andAir Canada 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.
KLM
7.8
Good
1,385 reviews
Check prices

Boarding

7.8

Crew

8.4

Entertainment

7.2

Overall

7.8

Comfort

7.7

Food

7.3

Reviews

1 / 20
4.0
Okay

Mark,Sep 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.
KLM
7.8
Good
1,385 reviews
KLM
7.8
Good
1,385 reviews
Check prices

Boarding

7.8

Crew

8.4

Entertainment

7.2

Overall

7.8

Comfort

7.7

Food

7.3

Reviews

1 / 20
4.0
Okay

Mark,Sep 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.
WestJet
7.2
Good
3,091 reviews
KLM
7.8
Good
1,385 reviews
Check prices

Boarding

7.8

Crew

8.4

Entertainment

7.2

Overall

7.8

Comfort

7.7

Food

7.3

Reviews

1 / 20
4.0
Okay

Mark,Sep 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.
Air Canada
7.1
Good
10,000 reviews
KLM
7.8
Good
1,385 reviews
Check prices

Boarding

7.8

Crew

8.4

Entertainment

7.2

Overall

7.8

Comfort

7.7

Food

7.3

Reviews

1 / 20
4.0
Okay

Mark,Sep 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.
Lufthansa
6.8
Okay
7,409 reviews
KLM
7.8
Good
1,385 reviews
Check prices

Boarding

7.8

Crew

8.4

Entertainment

7.2

Overall

7.8

Comfort

7.7

Food

7.3

Reviews

1 / 20
4.0
Okay

Mark,Sep 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.
British Airways
6.7
Okay
7,361 reviews
KLM
7.8
Good
1,385 reviews
Check prices

Boarding

7.8

Crew

8.4

Entertainment

7.2

Overall

7.8

Comfort

7.7

Food

7.3

Reviews

1 / 20
4.0
Okay

Mark,Sep 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.

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?

    Calgary (YYC), located 9.3 km from the city centre, is the airport you fly out of when you book flights from Calgary to London Heathrow. 6 airlines have flights from Calgary to London Heathrow on a regular basis. Booking flights from Calgary to London Heathrow should not be difficult; the airport handles an average of 10 outbound flights to London Heathrow per day.

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

    For as low as C$ 748, Lufthansa can have you in London Heathrow Airport from Calgary in 8h 45m. There are 7009 km between Calgary and London Heathrow Airport. All flights are typically direct.

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

    According to our current data, WestJet (C$ 633), Virgin Atlantic (C$ 709), and Lufthansa (C$ 769) offers the cheapest pricing from Calgary to London Heathrow Airport. You may be able to fly from Calgary to London Heathrow Airport for 40% less than the average price by searching for these airlines.

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

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Calgary to London Heathrow Airport on time: Croatia Airlines (88%), Air Canada (77%), Aegean Airlines (77%).

  • What are the cheapest flights from Calgary to London Heathrow Airport?

    Looking for the cheapest flight from Calgary to London Heathrow Airport? While on average our users pay C$ 1,688, our data indicates the cheapest price to be C$ 207. The most popular route (Calgary - London Heathrow), is priced around C$ 661.

  • 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 C$ 560). Flying from Calgary to London Heathrow Airport in July is currently the most expensive (average of C$ 856). 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 London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Brentford
Sutton
Hounslow
Slough
Marlow
Leamington Spa
Milton Keynes
Romford
Watford
Bedford
Luton
Southall

Browse thousands of different options on Cheapflights for your next trip

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Fly from Calgary to Heathrow on these airlines

Choose from the following airlines for your flight from Calgary to Heathrow. Flights are based on user searches made on Cheapflights and were last updated on 11 September 2025.
WestJet flights from Calgary to London Heathrow
Air Canada flights from Calgary to London Heathrow
Lufthansa flights from Calgary to London Heathrow

Top 6 airlines flying from Calgary to Heathrow

Discover the top 6 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 629,999 searches. Data last updated 11 September 2025.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 633AverageC$ 1,025FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Virgin AtlanticCheapestC$ 709AverageC$ 853FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
LufthansaCheapestC$ 769AverageC$ 1,094FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Air CanadaCheapestC$ 775AverageC$ 1,134FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
KLMCheapestC$ 782AverageC$ 963FlexibilityNo cancel feeOn-time75%
Search KLM flights
British AirwaysCheapestC$ 981AverageC$ 1,248FlexibilityNo cancel feeOn-time70%
Search British Airways flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers 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?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Calgary to Heathrow. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Calgary to Heathrow for you. Better yet — we are completely free to use.

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

Certainly. Search results for flights to Heathrow from Calgary shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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

Yes! Start tracking prices for Calgary to Heathrow flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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