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Cheap flights from Calgary to London Heathrow Airport from C$ 459

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 11/7. Fares are subject to change and may not be available on all flights or dates of travel.
YYC — LHR
17 Jun — 24 Jun1
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 Thursday or Sunday and return on a Wednesday

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 12 June 2025.

Round-trip from

C$ 967

One-way from

C$ 463

Popular in

July

Cheapest in

January

Average price

C$ 1,276

Good round-trip deal

C$ 1,061 or less

Good one-way deal

C$ 475 or less
SWISS
  • SWISS
  • 22/11-7/12
  • 4 total stops
  • 45h 53m total
  • Calgary to London
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WestJet
  • WestJet
  • 7/10
  • Nonstop
  • 8h 30m total
  • Calgary to London
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Highest demand for flights based on searches. 19% potential increase in price (C$ 360 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease (C$ 39 potential savings vs. average RT price).
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Average for round-trip flights in June 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 12 June 2025.

Sat 22/111:30 p.m.YYC - LHR
2 stops22h 45mSWISS
Sun 7/126:00 a.m.LHR - YYC
2 stops23h 08mSWISS
Deal found 9/6C$ 967
Fri 3/109:20 a.m.YYC - LHR
2 stops14h 10mAir Canada
Mon 13/102:10 p.m.LHR - YYC
1 stop14h 42mAir Canada
Deal found 9/6C$ 969
Thu 27/114:30 p.m.YYC - LHR
1 stop12h 20mLufthansa
Sat 6/121:25 p.m.LHR - YYC
2 stops34h 13mLufthansa
Deal found 10/6C$ 972
Tue 17/66:45 a.m.YYC - LHR
1 stop19h 15mAmerican Airlines
Wed 2/712:00 p.m.LHR - YYC
1 stop16h 57mAmerican Airlines
Deal found 9/6C$ 975
Fri 13/61:27 p.m.YYC - LHR
1 stop14h 03mBritish Airways
Sun 22/612:00 p.m.LHR - YYC
1 stop16h 57mBritish Airways
Deal found 10/6C$ 979
Tue 23/98:00 a.m.YYC - LHR
2 stops18h 35mAustrian Airlines
Thu 16/102:05 p.m.LHR - YYC
2 stops18h 07mAustrian Airlines
Deal found 10/6C$ 980
Thu 12/67:00 a.m.YYC - LHR
1 stop23h 20mMultiple Airlines
Sat 21/65:10 p.m.LHR - YYC
1 stop29h 25mMultiple Airlines
Deal found 12/6C$ 987
Tue 2/95:05 p.m.YYC - LHR
2 stops30h 50mUnited Airlines
Tue 14/106:50 a.m.LHR - YYC
2 stops35h 48mUnited Airlines
Deal found 10/6C$ 990
Tue 26/86:40 a.m.YYC - LHR
2 stops20h 50mDelta
Wed 10/911:45 a.m.LHR - YYC
1 stop32h 35mDelta
Deal found 10/6C$ 1,021
Fri 13/68:35 p.m.YYC - LHR
Nonstop8h 30mWestJet
Mon 16/62:10 p.m.LHR - YYC
Nonstop9h 05mWestJet
Deal found 9/6C$ 1,076
Sun 24/82:45 p.m.YYC - LHR
1 stop15h 25mVirgin Atlantic
Sun 7/96:30 a.m.LHR - YYC
2 stops21h 13mVirgin Atlantic
Deal found 9/6C$ 1,091
Fri 19/96:45 a.m.YYC - LHR
1 stop24h 40mIberia
Thu 23/1010:30 a.m.LHR - YYC
1 stop18h 25mIberia
Deal found 12/6C$ 1,092

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 12 June 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

Sat 22/11

1:30 p.m.-7:15 p.m.

2 stops22h 45m

London Heathrow

Sun 7/12

6:00 a.m.-10:08 p.m.

2 stops23h 08m

C$ 967

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

Fri 3/10

9:20 a.m.-6:30 a.m.

2 stops14h 10m

London Heathrow

Mon 13/10

2:10 p.m.-9:52 p.m.

1 stop14h 42m

C$ 969

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

Thu 27/11

4:30 p.m.-11:50 a.m.

1 stop12h 20m

London Heathrow

Sat 6/12

1:25 p.m.-4:38 p.m.

2 stops34h 13m

C$ 972

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

Thu 11/9

6:29 a.m.-12:15 p.m.

1 stop22h 46m

London Heathrow

Fri 17/10

1:10 p.m.-12:32 p.m.

1 stop30h 22m

C$ 975

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

Thu 26/6

6:45 a.m.-9:00 a.m.

1 stop19h 15m

London Heathrow

Mon 30/6

2:25 p.m.-11:29 p.m.

1 stop16h 04m

C$ 979

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

Tue 23/9

8:00 a.m.-9:35 a.m.

2 stops18h 35m

London Heathrow

Thu 16/10

2:05 p.m.-1:12 a.m.

2 stops18h 07m

C$ 980

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

Wed 10/9

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

Nonstop8h 40m

London Heathrow

Wed 17/9

9:00 a.m.-3:25 p.m.

1 stop13h 25m

C$ 987

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

Tue 2/9

5:05 p.m.-6:55 a.m.

2 stops30h 50m

London Heathrow

Tue 14/10

6:50 a.m.-11:38 a.m.

2 stops35h 48m

C$ 990

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

Tue 26/8

6:40 a.m.-10:30 a.m.

2 stops20h 50m

London Heathrow

Wed 10/9

11:45 a.m.-1:20 p.m.

1 stop32h 35m

C$ 1,021

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

Thu 18/9

6:45 a.m.-2:25 p.m.

1 stop24h 40m

London Heathrow

Wed 24/9

6:30 a.m.-9:50 p.m.

2 stops22h 20m

C$ 1,040

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/6

Showing 1-10 of 22 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 9 June 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 41 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$ 857). 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 12 June 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.

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 12 June 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).

Rainfall in Heathrow by month

Plan your trip to Heathrow by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in London Heathrow Airport ranges from 40.0 - 70.0 mm per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London Heathrow Airport when rainfall is around 40.0 mm.

Temperature in Heathrow by month

Plan your trip to Heathrow by taking into account the average temperature totals by month.

If weather is an important factor for your trip to London Heathrow Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

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 12 June 2025.
Read through reviews of airlines operating flights from Calgary to London, such as Delta, KLM and Austrian Airlines. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,950 reviews
Check prices

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,950 reviews
Delta
8.0
Very good
7,950 reviews
Check prices

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
KLM
7.8
Good
1,358 reviews
Delta
8.0
Very good
7,950 reviews
Check prices

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Austrian Airlines
7.6
Good
802 reviews
Delta
8.0
Very good
7,950 reviews
Check prices

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Finnair
7.6
Good
1,290 reviews
Delta
8.0
Very good
7,950 reviews
Check prices

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Air France
7.5
Good
1,463 reviews
Delta
8.0
Very good
7,950 reviews
Check prices

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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. 7 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.

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

    According to our current data, SWISS (C$ 967), Air Canada (C$ 969), and Lufthansa (C$ 972) offers the cheapest pricing from Calgary to London Heathrow Airport. You may be able to fly from Calgary to London Heathrow Airport for 8% 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$ 463. However, be on the lookout for offers from Air Canada and United Airlines, 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: Croatia Airlines (100%), Air Canada (93%), Aegean Airlines (93%).

  • 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$ 2,976, our data indicates the cheapest price to be C$ 326. The most popular route (Calgary - London Heathrow), is priced around C$ 827.

  • 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$ 857). 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
Brentford
Sutton
Hounslow
Slough
Leamington Spa
Milton Keynes
Romford
Watford
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Bromley
Bedford
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 12 June 2025.
WestJet flights from Calgary to London Heathrow
Air Canada flights from Calgary to London Heathrow
Lufthansa flights from Calgary to London Heathrow

Top 7 airlines flying from Calgary to Heathrow

Discover the top 7 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 12 June 2025.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 625AverageC$ 996FlexibilityNo cancel feeOn-time60%
Search WestJet flights
KLMCheapestC$ 693AverageC$ 1,038FlexibilityNo cancel feeOn-time75%
Search KLM flights
Virgin AtlanticCheapestC$ 700AverageC$ 847FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
Air CanadaCheapestC$ 765AverageC$ 1,102FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
LufthansaCheapestC$ 769AverageC$ 1,102FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
DeltaCheapestC$ 797AverageC$ 1,255FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
British AirwaysCheapestC$ 941AverageC$ 1,169FlexibilityNo 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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