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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 8/2. Fares are subject to change and may not be available on all flights or dates of travel.
YYC — LHR
28 Feb — 7 Mar1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Calgary to London Heathrow are usually found in January or November, booked 72 days in advance, depart on a Sunday or Tuesday and return on a Tuesday

Cheap flight deals from Calgary to Heathrow

Enter your travel dates to find the best prices.

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 29 January 2026.

Sun 1/29:10 p.m.
YYC
-
LHR
Nonstop8h 40m
WestJet
Mon 9/22:50 p.m.
LHR
-
YYC
Nonstop8h 50m
WestJet
Deal found 28/1C$ 645
Sun 8/29:10 p.m.
YYC
-
LHR
Nonstop8h 40m
WestJet
Thu 19/22:50 p.m.
LHR
-
YYC
Nonstop8h 50m
WestJet
Deal found 28/1C$ 657
Tue 27/19:10 p.m.
YYC
-
LHR
Nonstop8h 40m
WestJet
Tue 3/22:50 p.m.
LHR
-
YYC
Nonstop8h 50m
WestJet
Deal found 27/1C$ 658
Sat 31/15:35 a.m.
YYC
-
LHR
1 stop17h 55m
Multiple Airlines
Fri 6/28:30 a.m.
LHR
-
YYC
1 stop13h 55m
Multiple Airlines
Deal found 28/1C$ 686
Wed 4/29:00 a.m.
YYC
-
LHR
1 stop17h 20m
Air Canada
Wed 4/312:00 p.m.
LHR
-
YYC
1 stop15h 19m
Air Canada
Deal found 27/1C$ 715
Fri 30/17:30 a.m.
YYC
-
LHR
1 stop21h 20m
Multiple Airlines
Mon 9/26:00 a.m.
LHR
-
YYC
2 stops21h 59m
Multiple Airlines
Deal found 28/1C$ 717
Sat 31/15:35 a.m.
YYC
-
LHR
1 stop17h 55m
Air Canada
Mon 9/22:30 p.m.
LHR
-
YYC
1 stop15h 14m
Air Canada
Deal found 28/1C$ 724
Fri 30/13:00 p.m.
YYC
-
LHR
1 stop13h 50m
Multiple Airlines
Wed 4/29:00 a.m.
LHR
-
YYC
2 stops18h 59m
Multiple Airlines
Deal found 28/1C$ 725
Thu 5/26:00 a.m.
YYC
-
LHR
1 stop22h 50m
Air Canada
Fri 20/21:25 p.m.
LHR
-
YYC
Nonstop9h 00m
Air Canada
Deal found 28/1C$ 726

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 29 January 2026.

Round-trip from

C$ 657

One-way from

C$ 258

Popular in

July

Cheapest in

January

Average price

C$ 739

Good round-trip deal

C$ 822 or less

Good one-way deal

C$ 331 or less
WestJet
  • WestJet
  • 8/2-19/2
  • Nonstop
  • 17h 30m total
  • Calgary to London
Search Deals
WestJet
  • WestJet
  • 8/2
  • Nonstop
  • 8h 40m total
  • Calgary to London
Search Deals
Highest demand for flights based on searches. 19% potential increase in price (C$ 345 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 36 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 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 629,999 searches. Data last updated 29 January 2026.
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

Tue 3/3

6:30 a.m.-10:15 a.m.

2 stops20h 45m

London Heathrow

Tue 10/3

6:30 a.m.-8:45 p.m.

2 stops20h 15m

C$ 816

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

Tue 17/3

6:30 a.m.-7:05 a.m.

1 stop18h 35m

London Heathrow

Wed 1/4

6:30 a.m.-8:45 p.m.

2 stops21h 15m

C$ 836

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

Mon 13/4

7:40 a.m.-10:00 a.m.

1 stop19h 20m

London Heathrow

Sat 25/4

12:25 p.m.-8:40 p.m.

1 stop15h 15m

C$ 846

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

Mon 13/4

6:40 a.m.-6:45 a.m.

2 stops17h 05m

London Heathrow

Sat 25/4

12:25 p.m.-8:40 p.m.

1 stop15h 15m

C$ 846

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

Tue 24/3

6:30 a.m.-7:05 a.m.

1 stop18h 35m

London Heathrow

Sat 2/5

8:05 p.m.-8:40 p.m.

2 stops31h 35m

C$ 847

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

Sat 11/4

6:30 a.m.-7:10 a.m.

2 stops41h 40m

London Heathrow

Sat 25/4

10:55 a.m.-11:39 a.m.

1 stop31h 44m

C$ 847

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

Wed 8/4

7:40 a.m.-10:00 a.m.

1 stop19h 20m

London Heathrow

Wed 29/4

10:55 a.m.-11:00 p.m.

1 stop19h 05m

C$ 848

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

Wed 29/4

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

2 stops21h 00m

London Heathrow

Thu 7/5

12:25 p.m.-8:44 p.m.

1 stop15h 19m

C$ 854

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

Tue 17/3

6:30 a.m.-7:05 a.m.

1 stop18h 35m

London Heathrow

Mon 13/4

12:25 p.m.-8:40 p.m.

1 stop15h 15m

C$ 906

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

Wed 4/3

6:30 a.m.-8:45 a.m.

2 stops19h 15m

London Heathrow

Thu 2/4

10:55 a.m.-11:02 p.m.

1 stop19h 07m

C$ 906

Flights are sorted by cheapest round-trip flights first.

Deals found on 27/1

Showing 1-10 of 21 results
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2
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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 23 January 2026.

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$ 577). Flying from Calgary to London Heathrow Airport in July is currently the most expensive (average of C$ 1,075). 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 29 January 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Calgary to London Heathrow Airport as you normally would.

How much does it cost to fly round-trip 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 29 January 2026.
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
7.7
Good
1,443 reviews
Check prices

Entertainment

7.1

Crew

8.4

Comfort

7.6

Overall

7.7

Boarding

7.8

Food

7.3

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
KLM
7.7
Good
1,443 reviews
KLM
7.7
Good
1,443 reviews
Check prices

Entertainment

7.1

Crew

8.4

Comfort

7.6

Overall

7.7

Boarding

7.8

Food

7.3

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
WestJet
7.2
Good
3,253 reviews
KLM
7.7
Good
1,443 reviews
Check prices

Entertainment

7.1

Crew

8.4

Comfort

7.6

Overall

7.7

Boarding

7.8

Food

7.3

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
Air Canada
7.1
Good
10,667 reviews
KLM
7.7
Good
1,443 reviews
Check prices

Entertainment

7.1

Crew

8.4

Comfort

7.6

Overall

7.7

Boarding

7.8

Food

7.3

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
Lufthansa
6.8
Okay
7,754 reviews
KLM
7.7
Good
1,443 reviews
Check prices

Entertainment

7.1

Crew

8.4

Comfort

7.6

Overall

7.7

Boarding

7.8

Food

7.3

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
British Airways
6.7
Okay
7,705 reviews
KLM
7.7
Good
1,443 reviews
Check prices

Entertainment

7.1

Crew

8.4

Comfort

7.6

Overall

7.7

Boarding

7.8

Food

7.3

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.

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 12 outbound flights to London Heathrow per day.

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

    For as low as C$ 816, Delta can have you in London Heathrow Airport from Calgary in 20h 45m. There are 7009 km between Calgary and London Heathrow Airport.

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

    According to our current data, WestJet (C$ 612), Lufthansa (C$ 733), and Virgin Atlantic (C$ 738) offers the cheapest pricing from Calgary to London Heathrow Airport. You may be able to fly from Calgary to London Heathrow Airport for 41% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from Calgary to London Heathrow Airport one-way?

    The cheapest airline one-way is WestJet, with whom users have recently found tickets for as low as C$ 206. However, be on the lookout for offers from Air Canada and Lufthansa, as they are both options that can get you from Calgary to London Heathrow Airport for a low price.

  • 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: Air Canada (60%), Aegean Airlines (60%), Thai Airways (60%).

  • 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$ 1,641, our data indicates the cheapest price to be C$ 213. The most popular route (Calgary - London Heathrow), is priced around C$ 726.

  • 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$ 577). Flying from Calgary to London Heathrow Airport in July is currently the most expensive (average of C$ 1,075). 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
Sutton
Twickenham
Gatwick
Slough
Marlow
Cobham
Milton Keynes
Leamington Spa
Romford
Bedford
Watford
Luton
High Wycombe
Stratford-upon-Avon
Hounslow

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 29 January 2026.
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 29 January 2026.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 612AverageC$ 1,049FlexibilityNo cancel feeOn-time60%
Search WestJet flights
LufthansaCheapestC$ 733AverageC$ 1,109FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Virgin AtlanticCheapestC$ 738AverageC$ 1,000FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
Air CanadaCheapestC$ 743AverageC$ 1,152FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
KLMCheapestC$ 766AverageC$ 1,031FlexibilityNo cancel feeOn-time75%
Search KLM flights
British AirwaysCheapestC$ 954AverageC$ 1,176FlexibilityNo 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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