Cheap flights from Calgary to London Heathrow Airport from £241
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 3/11. Fares are subject to change and may not be available on all flights or dates of travel.
YYC — LHR
6 Jun — 13 Jun1
Return
1 adult
Economy
Return
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Calgary to London Heathrow are usually found in January or November, booked 83 days in advance, depart on a Saturday or Tuesday and return on a Sunday
Cheap flight deals from Calgary to Heathrow
Enter your travel dates to find the best prices.
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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 7 May 2026.
Tue 5/514:05
YYC
-
LHR
1 stop16h 15m
Multiple Airlines
Tue 12/514:10
LHR
-
YYC
Nonstop8h 50m
Multiple Airlines
Deal found 3/5£551
Mon 4/511:20
YYC
-
LHR
1 stop12h 10m
Multiple Airlines
Mon 11/513:55
LHR
-
YYC
Nonstop8h 50m
Multiple Airlines
Deal found 3/5£552
Mon 4/519:55
YYC
-
LHR
Nonstop8h 55m
Multiple Airlines
Thu 7/514:10
LHR
-
YYC
Nonstop8h 50m
Multiple Airlines
Deal found 2/5£557
Sat 9/514:20
YYC
-
LHR
1 stop12h 40m
Multiple Airlines
Thu 14/514:10
LHR
-
YYC
Nonstop8h 50m
Multiple Airlines
Deal found 4/5£569
Mon 16/1121:10
YYC
-
LHR
Nonstop8h 40m
WestJet
Fri 27/1114:50
LHR
-
YYC
Nonstop9h 05m
WestJet
Deal found 6/5£578
Thu 11/620:35
YYC
-
LHR
Nonstop8h 30m
WestJet
Wed 24/614:10
LHR
-
YYC
Nonstop8h 50m
WestJet
Deal found 2/5£579
Mon 1/618:55
YYC
-
LHR
2 stops20h 15m
Multiple Airlines
Mon 8/621:25
LHR
-
YYC
1 stop19h 35m
Multiple Airlines
Deal found 6/5£580
Thu 7/506:00
YYC
-
LHR
1 stop24h 20m
Multiple Airlines
Thu 14/514:10
LHR
-
YYC
Nonstop8h 50m
Multiple Airlines
Deal found 3/5£581
Best flights from Calgary to Heathrow
Discover carefully curated flight deals from Calgary to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 7 May 2026.
Thu 28/512:28
YYC
-
LHR
2 stops25h 12m
United Airlines
Sat 13/608:00
LHR
-
YYC
1 stop21h 37m
United Airlines
Deal found 3/5£733
Tue 15/909:45
YYC
-
LHR
2 stops25h 45m
Scandinavian Airlines
Wed 30/906:40
LHR
-
YYC
2 stops22h 15m
Scandinavian Airlines
Deal found 2/5£828
Sun 12/706:45
YYC
-
LHR
1 stop23h 20m
Delta
Fri 31/712:25
LHR
-
YYC
1 stop15h 10m
Delta
Deal found 4/5£833
Tue 9/608:30
YYC
-
LHR
2 stops29h 55m
United Airlines
Mon 15/609:30
LHR
-
YYC
1 stop15h 00m
United Airlines
Deal found 2/5£746
Sat 30/508:30
YYC
-
LHR
2 stops19h 10m
United Airlines
Sun 31/516:25
LHR
-
YYC
2 stops37h 12m
United Airlines
Deal found 6/5£751
Wed 26/809:45
YYC
-
LHR
2 stops24h 55m
Scandinavian Airlines
Mon 21/907:05
LHR
-
YYC
3 stops21h 50m
Scandinavian Airlines
Deal found 5/5£846
Fri 5/606:45
YYC
-
LHR
1 stop16h 10m
United Airlines
Wed 17/614:50
LHR
-
YYC
1 stop13h 58m
United Airlines
Deal found 2/5£758
Wed 2/909:45
YYC
-
LHR
3 stops21h 50m
Scandinavian Airlines
Tue 15/906:40
LHR
-
YYC
2 stops22h 15m
Scandinavian Airlines
Deal found 6/5£926
Tue 16/606:45
YYC
-
LHR
1 stop17h 30m
United Airlines
Thu 2/708:00
LHR
-
YYC
3 stops41h 10m
United Airlines
Deal found 3/5£810
Mon 15/608:30
YYC
-
LHR
2 stops29h 55m
United Airlines
Thu 2/708:00
LHR
-
YYC
3 stops41h 10m
United Airlines
Deal found 3/5£810
Mon 29/619:15
YYC
-
LHR
3 stops29h 00m
United Airlines
Tue 7/708:00
LHR
-
YYC
1 stop21h 37m
United Airlines
Deal found 6/5£899
Sat 20/606:00
YYC
-
LHR
2 stops31h 40m
United Airlines
Sat 27/607:45
LHR
-
YYC
2 stops22h 30m
United Airlines
Deal found 6/5£932
Direct flights from Calgary to Heathrow
Explore direct flight options from Calgary to Heathrow based on user searches, and compare prices and availability for your desired travel dates. Data last updated 7 May 2026.
Thu 11/620:35
YYC
-
LHR
Nonstop8h 30m
WestJet
Wed 24/614:10
LHR
-
YYC
Nonstop8h 50m
WestJet
Deal found 2/5£579
Tue 20/1019:55
YYC
-
LHR
Nonstop8h 55m
Multiple Airlines
Tue 3/1113:25
LHR
-
YYC
Nonstop9h 30m
Multiple Airlines
Deal found 6/5£596
Mon 5/1019:55
YYC
-
LHR
Nonstop8h 55m
Multiple Airlines
Mon 12/1010:15
LHR
-
YYC
Nonstop9h 35m
Multiple Airlines
Deal found 5/5£598
Mon 12/1019:55
YYC
-
LHR
Nonstop8h 55m
Air Canada
Wed 21/1010:15
LHR
-
YYC
Nonstop9h 35m
Air Canada
Deal found 6/5£599
Mon 19/1019:55
YYC
-
LHR
Nonstop8h 55m
Air Canada
Mon 9/1113:25
LHR
-
YYC
Nonstop9h 30m
Air Canada
Deal found 3/5£599
Fri 16/1020:35
YYC
-
LHR
Nonstop8h 30m
WestJet
Wed 21/1014:10
LHR
-
YYC
Nonstop8h 50m
WestJet
Deal found 6/5£602
Sun 11/1019:55
YYC
-
LHR
Nonstop8h 55m
Multiple Airlines
Wed 28/1013:25
LHR
-
YYC
Nonstop9h 30m
Multiple Airlines
Deal found 7/5£610
Thu 8/1019:55
YYC
-
LHR
Nonstop8h 55m
Multiple Airlines
Wed 28/1013:25
LHR
-
YYC
Nonstop9h 30m
Multiple Airlines
Deal found 6/5£610
Wed 14/1019:55
YYC
-
LHR
Nonstop8h 55m
Lufthansa
Sat 31/1013:25
LHR
-
YYC
Nonstop9h 30m
Lufthansa
Deal found 6/5£612
Thu 8/1019:55
YYC
-
LHR
Nonstop8h 55m
Multiple Airlines
Mon 12/1010:15
LHR
-
YYC
Nonstop9h 35m
Multiple Airlines
Deal found 4/5£613
Sun 11/1019:55
YYC
-
LHR
Nonstop8h 55m
Air Canada
Wed 28/1013:25
LHR
-
YYC
Nonstop9h 30m
Air Canada
Deal found 4/5£613
Last-minute flights from Calgary to Heathrow
Discover last-minute flight deals from Calgary to Heathrow. Data last updated 7 May 2026 and is based on user searches.
Thu 7/506:00
YYC
-
LHR
1 stop24h 20m
Multiple Airlines
Thu 14/514:10
LHR
-
YYC
Nonstop8h 50m
Multiple Airlines
Deal found 3/5£581
Sat 9/514:20
YYC
-
LHR
1 stop12h 40m
Multiple Airlines
Thu 14/514:10
LHR
-
YYC
Nonstop8h 50m
Multiple Airlines
Deal found 4/5£569
Mon 11/506:30
YYC
-
LHR
1 stop17h 05m
Multiple Airlines
Mon 18/515:00
LHR
-
YYC
2 stops26h 00m
Multiple Airlines
Deal found 3/5£597
Wed 27/507:00
YYC
-
LHR
1 stop23h 20m
Multiple Airlines
Wed 3/621:25
LHR
-
YYC
1 stop19h 35m
Multiple Airlines
Deal found 4/5£584
Sun 31/508:20
YYC
-
LHR
3 stops27h 35m
Multiple Airlines
Thu 11/614:10
LHR
-
YYC
Nonstop8h 50m
Multiple Airlines
Deal found 4/5£583
Sun 31/508:20
YYC
-
LHR
3 stops26h 00m
Multiple Airlines
Tue 9/614:10
LHR
-
YYC
Nonstop8h 50m
Multiple Airlines
Deal found 4/5£600
Sun 31/508:20
YYC
-
LHR
3 stops27h 35m
Multiple Airlines
Wed 10/614:10
LHR
-
YYC
Nonstop8h 50m
Multiple Airlines
Deal found 4/5£612
Mon 1/618:55
YYC
-
LHR
2 stops20h 15m
Multiple Airlines
Mon 8/621:25
LHR
-
YYC
1 stop19h 35m
Multiple Airlines
Deal found 6/5£580
Thu 11/620:35
YYC
-
LHR
Nonstop8h 30m
WestJet
Wed 24/614:10
LHR
-
YYC
Nonstop8h 50m
WestJet
Deal found 2/5£579
One-way flights from Calgary to Heathrow
Search for one-way flight options from Calgary to Heathrow. Find affordable one-way fares based on user searches. Data last updated 7 May 2026.
Tue 3/1121:10
YYC
-
LHR
Nonstop8h 40m
WestJet
Deal found 5/5£241
Sun 1/1121:10
YYC
-
LHR
Nonstop8h 40m
WestJet
Deal found 3/5£243
Wed 3/619:00
YYC
-
LHR
2 stops31h 10m
Multiple Airlines
Deal found 2/5£251
Sun 5/712:30
YYC
-
LHR
2 stops17h 50m
Air Canada
Deal found 3/5£253
Fri 3/720:20
YYC
-
LHR
Nonstop8h 30m
Air Canada
Deal found 3/5£254
Sun 7/619:00
YYC
-
LHR
2 stops36h 30m
Multiple Airlines
Deal found 3/5£255
Sat 4/706:00
YYC
-
LHR
2 stops32h 00m
Air Canada
Deal found 3/5£257
Wed 15/719:55
YYC
-
LHR
Nonstop8h 55m
Air Canada
Deal found 4/5£260
Fri 24/706:00
YYC
-
LHR
1 stop17h 30m
Air Canada
Deal found 4/5£263
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 7 May 2026.
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 7 May 2026.
Use the filters below to find and compare flights from Calgary to London Heathrow Airport that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
Cheapest return flight
CalgaryLondon
YYC - LHR
YYCLHR
Calgary
Thu 28/5
12:28-20:40
2 stops25h 12m
London Heathrow
Sat 13/6
08:00-22:37
1 stop21h 37m
£733
CalgaryLondon
YYC - LHR
YYCLHR
Calgary
Tue 9/6
08:30-21:25
2 stops29h 55m
London Heathrow
Mon 15/6
09:30-17:30
1 stop15h 00m
£746
CalgaryLondon
YYC - LHR
YYCLHR
Calgary
Sat 30/5
08:30-10:40
2 stops19h 10m
London Heathrow
Sun 31/5
16:25-22:37
2 stops37h 12m
£751
Fastest return journey
CalgaryLondon
YYC - LHR
YYCLHR
Calgary
Fri 5/6
06:45-05:55
1 stop16h 10m
London Heathrow
Wed 17/6
14:50-21:48
1 stop13h 58m
£758
CalgaryLondon
YYC - LHR
YYCLHR
Calgary
Tue 16/6
06:45-07:15
1 stop17h 30m
London Heathrow
Thu 2/7
08:00-18:10
3 stops41h 10m
£810
CalgaryLondon
YYC - LHR
YYCLHR
Calgary
Mon 15/6
08:30-21:25
2 stops29h 55m
London Heathrow
Thu 2/7
08:00-18:10
3 stops41h 10m
£810
CalgaryLondon
YYC - LHR
YYCLHR
Calgary
Tue 15/9
09:45-18:30
2 stops25h 45m
London Heathrow
Wed 30/9
06:40-21:55
2 stops22h 15m
£828
CalgaryLondon
YYC - LHR
YYCLHR
Calgary
Sun 12/7
06:45-13:05
1 stop23h 20m
London Heathrow
Fri 31/7
12:25-20:35
1 stop15h 10m
£833
CalgaryLondon
YYC - LHR
YYCLHR
Calgary
Wed 26/8
09:45-17:40
2 stops24h 55m
London Heathrow
Mon 21/9
07:05-21:55
3 stops21h 50m
£846
CalgaryLondon
YYC - LHR
YYCLHR
Calgary
Mon 29/6
19:15-07:15
3 stops29h 00m
London Heathrow
Tue 7/7
08:00-22:37
1 stop21h 37m
£899
Flights are sorted by cheapest return flights first.
Deals found on 6/5
Showing 1-10 of 20 resultsSorted by cheapest first
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.
YYC-LHR
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
Prices
Airlines
Delays
More
How far ahead should I book a flight from Calgary to London Heathrow Airport?
To ensure you get the cheapest price possible for a flight from Calgary to London Heathrow Airport, you should look to book at least 82 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 £398). Flying from Calgary to London Heathrow Airport in July is currently the most expensive (average of £755). 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 7 May 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 for a return flight from Calgary to London Heathrow Airport?
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 7 May 2026.
The most flights from YYC to LHR are scheduled on a Monday (12 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (11 on average).
How often are flights from Calgary to London delayed?
About 17% of weekly flights between Calgary and London have experienced delays in the past year, with the average delay time being 132 minutes.
What is the most punctual flight time for Calgary to London flights?
Historically, flights departing in the evening are less likely to be delayed, whereas flights leaving at night tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Monday tends to have the lowest number of delays on this route, whereas Friday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on Calgary to London flights?
Over the past year, Air Canada have had the lowest number of delays on this route, with just 14% of flights being delayed.
What’s the top stopover airport for flights from Calgary to London Heathrow Airport?
Share of one-stop return flights from Calgary to London Heathrow Airport chosen by Cheapflights users in the past 12 months, using the same stopover each way.
Ottawa (YOW) – chosen by Cheapflights users on 44% of one-stop itineraries from Calgary to London Heathrow Airport on Cheapflights.
What’s the cheapest stopover airport for flights from Calgary to London Heathrow Airport?
Average return fare for one-stop flights from Calgary to London Heathrow Airport, chosen by Cheapflights users in the past 12 months, with the same stopover each way.
Dallas (DFW) is the most affordable one-stop option, with an average return flight price of £529.
What’s the fastest stopover option from Calgary to London Heathrow Airport?
Shortest average travel time for one-stop one-way flights from Calgary to London Heathrow Airport, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.
Flights via Ottawa (YOW) have the shortest average one-way travel time for one-stop routes: 11h 55m.
Which airport typically offers the quickest stopover for flights from Calgary to London Heathrow Airport?
Average stopover duration for one-stop one-way flights from Calgary to London Heathrow Airport, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Denver (DEN) offer the fastest connection on this route, with an average stopover time of 1h 14m.
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 7 May 2026.
Get a feel of what it's like to fly with WestJet,Air Canada, andLufthansa 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.
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 3 different airlines.
How long is the flight from Calgary to London Heathrow Airport?
Airlines like United Airlines fly from Calgary to London Heathrow Airport in about 25h 12m. The time it takes to get you to your destination can typically vary by up to . There are 4355 mi between Calgary and London Heathrow Airport.
What are the cheapest airlines flying from Calgary to London Heathrow Airport round-trip?
Currently priced at £277, 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 Air Canada and Lufthansa - these airlines can fly you to your destination from £434 and £456, respectively. WestJet is 52% 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 £108. Users have also found prices from £245 and £262 on Air Canada and Lufthansa, respectively.
What are the most reliable airlines from Calgary to London Heathrow Airport?
Consider Croatia Airlines (100%), Air Canada (82%) or Austrian Airlines (82%) 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 £907 for a flight from Calgary to London Heathrow Airport. The cheapest flight overall is £275 while the most popular route, (Calgary - London Heathrow) is currently priced at £578.
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 £398). Flying from Calgary to London Heathrow Airport in July is currently the most expensive (average of £755). 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.
Discover the top 3 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 7 May 2026.
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.
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