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Cheap flights from Calgary to London Heathrow Airport from £223

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 30/9. Fares are subject to change and may not be available on all flights or dates of travel.
YYC — LHR
20 Apr — 27 Apr1
1 adult

Cheapflights Tip: The best prices from Calgary to London Heathrow are usually found in January or February, booked 50 days in advance, depart on a Wednesday or Sunday 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 15 April 2025.

Round-trip from

£483

One-way from

£223

Popular in

July

Cheapest in

January

Average price

£576

Good round-trip deal

£560 or less

Good one-way deal

£256 or less
11/5-18/5
  • 11/5-18/5
  • 3 total stops
  • 47h 50m total
  • Calgary to London
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WestJet
  • WestJet
  • 30/9
  • Nonstop
  • 8h 30m total
  • Calgary to London
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Highest demand for flights based on searches. 21% potential increase in price (£130 potential increase over avg. return price).
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Cheapest flight prices on average. 3% potential price decrease (£15 potential savings vs. average return price).
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Average for round-trip flights in April 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 15 April 2025.

Sun 11/519:15YYC - LHR
2 stops13h 40mMultiple Airlines
Sun 18/507:25LHR - YYC
1 stop34h 10mMultiple Airlines
Deal found 14/4£483
Sun 9/1121:10YYC - LHR
Nonstop8h 40mWestJet
Mon 17/1114:50LHR - YYC
Nonstop9h 00mWestJet
Deal found 14/4£487
Wed 5/1114:30YYC - LHR
1 stop14h 45mAmerican Airlines
Wed 12/1110:40LHR - YYC
2 stops18h 15mAmerican Airlines
Deal found 14/4£529
Wed 1/1020:15YYC - LHR
Nonstop8h 35mLufthansa
Wed 29/1009:30LHR - YYC
1 stop12h 55mLufthansa
Deal found 14/4£548
Sun 9/1117:25YYC - LHR
1 stop30h 45mAir Canada
Mon 17/1113:25LHR - YYC
Nonstop9h 05mAir Canada
Deal found 14/4£558
Tue 13/514:00YYC - LHR
1 stop12h 50mDelta
Tue 17/606:30LHR - YYC
2 stops23h 30mDelta
Deal found 14/4£563
Tue 27/507:40YYC - LHR
1 stop19h 10mAir France
Thu 12/610:55LHR - YYC
1 stop19h 05mAir France
Deal found 14/4£564
Wed 7/515:15YYC - LHR
1 stop19h 20mVirgin Atlantic
Thu 15/512:25LHR - YYC
1 stop15h 15mVirgin Atlantic
Deal found 14/4£565
Thu 29/515:05YYC - LHR
1 stop12h 40mKLM
Wed 11/612:45LHR - YYC
1 stop15h 10mKLM
Deal found 14/4£567
Thu 29/507:05YYC - LHR
2 stops27h 45mSWISS
Thu 12/606:00LHR - YYC
1 stop15h 25mSWISS
Deal found 14/4£594
Wed 5/1108:00YYC - LHR
2 stops19h 20mAer Lingus
Wed 12/1109:50LHR - YYC
2 stops17h 48mAer Lingus
Deal found 14/4£611
Sun 20/415:49YYC - LHR
1 stop32h 36mUnited Airlines
Thu 1/516:00LHR - YYC
2 stops26h 41mUnited Airlines
Deal found 14/4£614

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 15 April 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 11/5

19:15-15:55

2 stops13h 40m

London Heathrow

Sun 18/5

07:25-10:35

1 stop34h 10m

£483

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

Tue 23/9

20:35-12:05

Nonstop8h 30m

London Heathrow

Thu 16/10

14:10-16:00

Nonstop8h 50m

£535

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

Wed 1/10

20:15-11:50

Nonstop8h 35m

London Heathrow

Wed 29/10

09:30-16:25

1 stop12h 55m

£548

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

Tue 13/5

14:00-09:50

1 stop12h 50m

London Heathrow

Tue 17/6

06:30-23:00

2 stops23h 30m

£563

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

Tue 27/5

07:40-09:50

1 stop19h 10m

London Heathrow

Thu 12/6

10:55-23:00

1 stop19h 05m

£564

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

Wed 7/5

15:15-17:35

1 stop19h 20m

London Heathrow

Thu 15/5

12:25-20:40

1 stop15h 15m

£565

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

Wed 24/9

14:50-13:10

1 stop15h 20m

London Heathrow

Wed 15/10

20:55-13:20

1 stop23h 25m

£565

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

Sun 4/5

23:55-08:35

1 stop25h 40m

London Heathrow

Wed 21/5

12:40-22:38

1 stop16h 58m

£578

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

Thu 29/5

07:05-17:50

2 stops27h 45m

London Heathrow

Thu 12/6

06:00-14:25

1 stop15h 25m

£594

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

Tue 29/4

12:43-07:40

2 stops35h 57m

London Heathrow

Tue 27/5

07:25-18:21

2 stops17h 56m

£603

Flights are sorted by cheapest return flights first.

Deals found on 14/4

Showing 1-10 of 22 results
1
2
3

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 11 April 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 50 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 15 April 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 34% 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 15 April 2025.

The most flights from YYC to LHR are scheduled on a Tuesday (12 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (11 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 inches 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 15 April 2025.
See what other customers who have flown with Delta, KLM and Air France from Calgary to London have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very Good
7,917 reviews
Check prices

Crew

8.5

Overall

8.0

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Food

7.3

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
7,917 reviews
Delta
8.0
Very Good
7,917 reviews
Check prices

Crew

8.5

Overall

8.0

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Food

7.3

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
1,323 reviews
Delta
8.0
Very Good
7,917 reviews
Check prices

Crew

8.5

Overall

8.0

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Food

7.3

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
1,435 reviews
Delta
8.0
Very Good
7,917 reviews
Check prices

Crew

8.5

Overall

8.0

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Food

7.3

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.
SWISS
7.5
Good
1,578 reviews
Delta
8.0
Very Good
7,917 reviews
Check prices

Crew

8.5

Overall

8.0

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Food

7.3

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.
United Airlines
7.4
Good
8,656 reviews
Delta
8.0
Very Good
7,917 reviews
Check prices

Crew

8.5

Overall

8.0

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Food

7.3

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?

    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 11 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 £535, WestJet will fly you from Calgary to London Heathrow Airport and back. In addition to WestJet, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Lufthansa and Air Canada - these airlines can fly you to your destination from £548 and £559, respectively. WestJet is 12% cheaper than the average price of flights available within the next 90 days to this destination.

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

    For one-way options, check prices for WestJet. According to our data, you can fly for as low as £223. Users have also found prices from £260 and £264 on Air Canada and Lufthansa, respectively.

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

    Consider Air Canada (67%), Aegean Airlines (67%) or Thai Airways (67%) 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 £481 for a flight from Calgary to London Heathrow Airport. The cheapest flight overall is £213 while the most popular route, (Calgary - London Heathrow) is currently priced at £477.

  • 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
Deal
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Gatwick
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Ipswich
Southall
Folkestone

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 15 April 2025.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapest£347Average£577FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Air CanadaCheapest£420Average£644FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Virgin AtlanticCheapest£427Average£536FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
LufthansaCheapest£428Average£687FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights

Fly with Cheapflights

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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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