Find flights
Deals
When to book
Airlines
FAQs

Cheap flights from Calgary to London Heathrow Airport from £244

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 19/9. Fares are subject to change and may not be available on all flights or dates of travel.
YYC — LHR
19 Jun — 26 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 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 14 June 2025.

Round-trip from

£527

One-way from

£244

Popular in

July

Cheapest in

January

Average price

£688

Good round-trip deal

£587 or less

Good one-way deal

£245 or less
American Airlines
  • American Airlines
  • 16/9-24/10
  • 2 total stops
  • 37h 40m total
  • Calgary to London
Search Deals
19/9
  • 19/9
  • 2 total stops
  • 16h 50m total
  • Calgary to London
Search Deals
Highest demand for flights based on searches. 19% potential increase in price (£105 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£12 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 2025
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

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 14 June 2025.

Tue 16/906:45YYC - LHR
1 stop19h 15mAmerican Airlines
Fri 24/1010:30LHR - YYC
1 stop18h 25mAmerican Airlines
Deal found 12/6£527
Wed 17/920:10YYC - LHR
Nonstop8h 40mLufthansa
Tue 21/1020:25LHR - YYC
1 stop26h 00mLufthansa
Deal found 12/6£527
Mon 8/908:00YYC - LHR
2 stops18h 35mAustrian Airlines
Sat 18/1012:40LHR - YYC
2 stops36h 52mAustrian Airlines
Deal found 12/6£529
Sun 21/913:29YYC - LHR
1 stop15h 46mBritish Airways
Wed 1/1013:10LHR - YYC
1 stop17h 09mBritish Airways
Deal found 13/6£530
Fri 12/913:45YYC - LHR
1 stop12h 50mAir Canada
Tue 21/1010:15LHR - YYC
Nonstop8h 55mAir Canada
Deal found 12/6£531
Thu 12/607:00YYC - LHR
1 stop23h 20mMultiple Airlines
Sat 21/617:10LHR - YYC
1 stop29h 25mMultiple Airlines
Deal found 12/6£532
Sat 13/906:35YYC - LHR
1 stop23h 35mDelta
Thu 23/1008:40LHR - YYC
1 stop11h 40mDelta
Deal found 12/6£552
Thu 11/908:30YYC - LHR
1 stop14h 50mUnited Airlines
Fri 17/1014:10LHR - YYC
1 stop28h 28mUnited Airlines
Deal found 12/6£557
Sun 14/918:15YYC - LHR
1 stop12h 30mWestJet
Thu 23/1014:10LHR - YYC
Nonstop8h 50mWestJet
Deal found 12/6£566
Sun 7/917:15YYC - LHR
1 stop35h 10mSWISS
Wed 22/1007:00LHR - YYC
2 stops23h 16mSWISS
Deal found 12/6£569
Sun 15/612:47YYC - LHR
1 stop15h 03mIberia
Mon 23/608:20LHR - YYC
1 stop20h 37mIberia
Deal found 13/6£588
Sun 21/908:00YYC - LHR
2 stops17h 00mAer Lingus
Sun 5/1009:50LHR - YYC
2 stops22h 22mAer Lingus
Deal found 14/6£629

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 14 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

Tue 16/9

06:45-09:00

1 stop19h 15m

London Heathrow

Fri 24/10

10:30-21:55

1 stop18h 25m

£527

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

Wed 17/9

20:10-11:50

Nonstop8h 40m

London Heathrow

Tue 21/10

20:25-15:25

1 stop26h 00m

£527

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

Sat 20/9

13:29-12:15

1 stop15h 46m

London Heathrow

Wed 1/10

13:10-23:19

1 stop17h 09m

£528

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

Mon 8/9

08:00-09:35

2 stops18h 35m

London Heathrow

Thu 23/10

14:05-17:02

2 stops33h 57m

£529

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

Fri 12/9

13:45-09:35

1 stop12h 50m

London Heathrow

Mon 20/10

10:15-12:10

Nonstop8h 55m

£531

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

Wed 3/9

01:10-17:45

3 stops33h 35m

London Heathrow

Thu 11/9

13:45-17:55

2 stops35h 10m

£532

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

Sat 13/9

06:35-13:10

1 stop23h 35m

London Heathrow

Thu 23/10

08:40-13:20

1 stop11h 40m

£552

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

Thu 11/9

08:30-06:20

1 stop14h 50m

London Heathrow

Fri 17/10

14:10-11:38

1 stop28h 28m

£557

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

Thu 18/9

06:45-14:25

1 stop24h 40m

London Heathrow

Wed 24/9

06:30-21:50

2 stops22h 20m

£561

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

Sun 14/9

18:15-13:45

1 stop12h 30m

London Heathrow

Thu 23/10

14:10-16:00

Nonstop8h 50m

£566

Flights are sorted by cheapest return flights first.

Deals found on 13/6

Showing 1-10 of 20 results
1
2

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 9 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 14 June 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 14 June 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 14 June 2025.
See what other customers who have flown with Delta, Austrian Airlines and Finnair 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
7,951 reviews
Check prices

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

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
7,951 reviews
Delta
8.0
Very Good
7,951 reviews
Check prices

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

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
7,951 reviews
Check prices

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

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
7,951 reviews
Check prices

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

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.
SWISS
7.5
Good
1,626 reviews
Delta
8.0
Very Good
7,951 reviews
Check prices

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

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.
United Airlines
7.4
Good
8,791 reviews
Delta
8.0
Very Good
7,951 reviews
Check prices

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

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?

    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 £527, American Airlines will fly you from Calgary to London Heathrow Airport and back. In addition to American Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Lufthansa and British Airways - these airlines can fly you to your destination from £527 and £528, respectively. American Airlines is 7% 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 £246. Users have also found prices from £327 and £335 on Air Canada and SWISS, respectively.

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

    Consider Croatia Airlines (100%), Air Canada (93%) or Aegean Airlines (93%) 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 £640 for a flight from Calgary to London Heathrow Airport. The cheapest flight overall is £196 while the most popular route, (Calgary - London Heathrow) is currently priced at £446.

  • 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
Deal
Hounslow
Croydon
Milton Keynes
Northampton
Gatwick
Luton
Slough
Wembley
Crawley
Eastbourne
Ilford
Southend-on-Sea
Watford
Hayes
Ipswich
Winchester
Folkestone
Maidstone
Swindon

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.

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 14 June 2025.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapest£335Average£539FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Air CanadaCheapest£413Average£589FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Virgin AtlanticCheapest£414Average£520FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
LufthansaCheapest£416Average£754FlexibilityNo 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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
Site
©2025 Cheapflights