Cheap flights from Calgary to London Heathrow Airport from £155
This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 21/2. Fares are subject to change and may not be available on all flights or dates of travel.
YYC — LHR
18 Nov — 25 Nov1
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 February, booked 75 days in advance, depart on a Tuesday or Wednesday 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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Best
Direct
Last-minute
One-way
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 19 October 2026.
Thu 26/1122:10 -
Nonstop7h 40m
Tue 1/1214:50 -
Nonstop9h 55m
Deal found 18/10£402
Fri 27/1122:10 -
Nonstop7h 40m
Mon 7/1214:50 -
Nonstop9h 55m
Deal found 16/10£403
Tue 29/1221:10 -
Nonstop8h 40m
Wed 20/114:50 -
Nonstop9h 55m
Deal found 18/10£404
Tue 24/1121:10 -
Nonstop8h 40m
Tue 8/1214:50 -
Nonstop9h 55m
Deal found 15/10£406
Fri 20/1121:10 -
Nonstop8h 40m
Sun 6/1214:50 -
Nonstop9h 55m
Deal found 19/10£407
Thu 12/1121:10 -
Nonstop8h 40m
Thu 19/1114:50 -
Nonstop9h 55m
Deal found 16/10£408
Sun 8/1122:10 -
Nonstop7h 40m
Thu 19/1114:50 -
Nonstop9h 55m
Deal found 17/10£408
Sun 22/1121:10 -
Nonstop8h 40m
Wed 2/1214:50 -
Nonstop9h 55m
Deal found 18/10£409
Tue 24/1122:10 -
Nonstop7h 40m
Tue 1/1220:50 -
2 stops26h 00m
Deal found 18/10£413
Sun 8/1122:10 -
Nonstop7h 40m
Tue 24/1106:20 -
1 stop16h 30m
Deal found 15/10£414
Fri 4/1222:10 -
Nonstop8h 40m
Fri 22/114:50 -
Nonstop8h 55m
Deal found 19/10£415
Mon 9/1122:10 -
Nonstop7h 40m
Tue 24/1106:20 -
1 stop16h 30m
Deal found 15/10£417
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 19 October 2026.
Tue 12/110:40 -
2 stops15h 30m
Tue 26/106:35 -
2 stops20h 02m
Deal found 19/10£511
Sun 8/1108:45 -
1 stop15h 20m
Mon 14/1211:20 -
2 stops20h 01m
Deal found 15/10£512
Tue 5/113:25 -
1 stop14h 00m
Tue 2/206:05 -
2 stops23h 50m
Deal found 14/10£645
Sat 31/1006:35 -
1 stop21h 25m
Sat 7/1108:40 -
1 stop13h 00m
Deal found 15/10£707
Mon 22/314:45 -
2 stops24h 55m
Fri 30/407:05 -
2 stops21h 00m
Deal found 15/10£758
Mon 1/314:45 -
3 stops23h 50m
Tue 9/306:40 -
2 stops22h 25m
Deal found 18/10£772
Wed 2/1207:45 -
2 stops20h 05m
Mon 7/1216:20 -
3 stops28h 43m
Deal found 18/10£514
Thu 12/1108:45 -
2 stops16h 00m
Wed 25/1106:30 -
2 stops18h 40m
Deal found 16/10£628
Tue 8/1207:25 -
2 stops17h 20m
Mon 14/1206:30 -
2 stops22h 35m
Deal found 19/10£631
Sat 17/414:45 -
2 stops23h 55m
Thu 22/407:05 -
3 stops21h 00m
Deal found 16/10£772
Thu 18/314:45 -
2 stops24h 55m
Thu 1/407:05 -
2 stops21h 00m
Deal found 14/10£773
Mon 14/1208:45 -
1 stop15h 20m
Sat 19/1216:10 -
2 stops31h 25m
Deal found 16/10£766
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 19 October 2026.
Thu 26/1122:10 -
Nonstop7h 40m
Tue 1/1214:50 -
Nonstop9h 55m
Deal found 18/10£402
Fri 27/1122:10 -
Nonstop7h 40m
Mon 7/1214:50 -
Nonstop9h 55m
Deal found 16/10£403
Tue 29/1221:10 -
Nonstop8h 40m
Wed 20/114:50 -
Nonstop9h 55m
Deal found 18/10£404
Mon 9/1121:10 -
Nonstop8h 40m
Wed 25/1114:50 -
Nonstop9h 55m
Deal found 14/10£405
Tue 24/1121:10 -
Nonstop8h 40m
Tue 8/1214:50 -
Nonstop9h 55m
Deal found 15/10£406
Fri 20/1121:10 -
Nonstop8h 40m
Sun 6/1214:50 -
Nonstop9h 55m
Deal found 19/10£407
Thu 12/1121:10 -
Nonstop8h 40m
Thu 19/1114:50 -
Nonstop9h 55m
Deal found 16/10£408
Sun 8/1122:10 -
Nonstop7h 40m
Thu 19/1114:50 -
Nonstop9h 55m
Deal found 17/10£408
Sun 22/1121:10 -
Nonstop8h 40m
Wed 2/1214:50 -
Nonstop9h 55m
Deal found 18/10£409
Fri 4/1222:10 -
Nonstop8h 40m
Fri 22/114:50 -
Nonstop8h 55m
Deal found 19/10£415
Mon 11/122:10 -
Nonstop7h 40m
Mon 1/214:50 -
Nonstop9h 55m
Deal found 14/10£416
Mon 11/122:10 -
Nonstop7h 40m
Wed 3/214:50 -
Nonstop9h 55m
Deal found 15/10£417
Last-minute flights from Calgary to Heathrow
Discover last-minute flight deals from Calgary to Heathrow. Data last updated 19 October 2026 and is based on user searches.
Sun 8/1122:10 -
Nonstop7h 40m
Thu 19/1114:50 -
Nonstop9h 55m
Deal found 17/10£408
Sun 8/1122:10 -
Nonstop7h 40m
Tue 24/1106:20 -
1 stop16h 30m
Deal found 15/10£414
Mon 9/1121:10 -
Nonstop8h 40m
Wed 25/1114:50 -
Nonstop9h 55m
Deal found 14/10£405
Mon 9/1122:10 -
Nonstop7h 40m
Tue 24/1106:20 -
1 stop16h 30m
Deal found 15/10£417
Thu 12/1121:10 -
Nonstop8h 40m
Thu 19/1114:50 -
Nonstop9h 55m
Deal found 16/10£408
Fri 20/1121:10 -
Nonstop8h 40m
Sun 6/1214:50 -
Nonstop9h 55m
Deal found 19/10£407
Sun 22/1121:10 -
Nonstop8h 40m
Wed 2/1214:50 -
Nonstop9h 55m
Deal found 18/10£409
Tue 24/1121:10 -
Nonstop8h 40m
Tue 8/1214:50 -
Nonstop9h 55m
Deal found 15/10£406
Tue 24/1122:10 -
Nonstop7h 40m
Tue 1/1220:50 -
2 stops26h 00m
Deal found 18/10£413
Thu 26/1122:10 -
Nonstop7h 40m
Tue 1/1214:50 -
Nonstop9h 55m
Deal found 18/10£402
Fri 27/1122:10 -
Nonstop7h 40m
Mon 7/1214:50 -
Nonstop9h 55m
Deal found 16/10£403
Mon 30/1122:10 -
Nonstop7h 40m
Mon 7/1206:20 -
1 stop16h 30m
Deal found 16/10£417
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 19 October 2026.
Sun 21/222:10 -
Nonstop7h 40m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 17/10£155
Tue 12/122:10 -
Nonstop7h 40m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 15/10£159
Mon 11/122:10 -
Nonstop7h 40m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 15/10£160
Wed 31/320:25 -
Nonstop8h 40m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 15/10£164
Fri 15/122:10 -
Nonstop7h 40m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 15/10£165
Mon 15/322:10 -
Nonstop8h 40m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 17/10£171
Thu 29/1022:10 -
Nonstop8h 40m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 17/10£177
Sat 24/1022:20 -
Nonstop8h 30m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 19/10£179
Sun 25/1022:10 -
Nonstop8h 40m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 15/10£180
Tue 3/1119:30 -
3 stops36h 15m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 16/10£217
Wed 4/1121:10 -
Nonstop8h 40m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 15/10£218
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 19 October 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 7,457,451 searches. Data last updated 19 October 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
Fastest return journey
CalgaryLondon
YYC Calgary - LHR London Heathrow
YYCLHR
Calgary
Mon 30/11
22:10-12:50
Nonstop7h 40m
London Heathrow
Wed 31/12
00:00-16:00
Nonstop0h 00m
£221
CalgaryLondon
YYC Calgary - LHR London Heathrow
YYCLHR
Calgary
Wed 4/11
07:01-08:15
1 stop18h 14m
London Heathrow
Wed 31/12
00:00-16:00
Nonstop0h 00m
£376
CalgaryLondon
YYC Calgary - LHR London Heathrow
YYCLHR
Calgary
Wed 20/1
07:00-10:00
1 stop20h 00m
London Heathrow
Wed 31/12
00:00-16:00
Nonstop0h 00m
£377
CalgaryLondon
YYC Calgary - LHR London Heathrow
YYCLHR
Calgary
Fri 15/1
14:52-06:55
1 stop33h 03m
London Heathrow
Wed 31/12
00:00-16:00
Nonstop0h 00m
£377
CalgaryLondon
YYC Calgary - LHR London Heathrow
YYCLHR
Calgary
Mon 11/1
07:00-12:00
1 stop22h 00m
London Heathrow
Wed 31/12
00:00-16:00
Nonstop0h 00m
£377
CalgaryLondon
YYC Calgary - LHR London Heathrow
YYCLHR
Calgary
Thu 14/1
07:00-12:15
1 stop22h 15m
London Heathrow
Wed 31/12
00:00-16:00
Nonstop0h 00m
£377
CalgaryLondon
YYC Calgary - LHR London Heathrow
YYCLHR
Calgary
Sun 17/1
14:52-11:35
1 stop13h 43m
London Heathrow
Wed 31/12
00:00-16:00
Nonstop0h 00m
£378
CalgaryLondon
YYC Calgary - LHR London Heathrow
YYCLHR
Calgary
Tue 29/12
13:25-06:50
1 stop34h 25m
London Heathrow
Wed 31/12
00:00-16:00
Nonstop0h 00m
£380
CalgaryLondon
YYC Calgary - LHR London Heathrow
YYCLHR
Calgary
Fri 30/10
06:45-15:35
2 stops26h 50m
London Heathrow
Wed 31/12
00:00-16:00
Nonstop0h 00m
£432
CalgaryLondon
YYC Calgary - LHR London Heathrow
YYCLHR
Calgary
Sun 1/11
07:00-10:10
2 stops20h 10m
London Heathrow
Wed 31/12
00:00-16:00
Nonstop0h 00m
£432
Flights are sorted by cheapest return flights first.
Deals found on 19/10
Showing 1-10 of 22 resultsSorted by cheapest first
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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.
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 74 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 £420). Flying from Calgary to London Heathrow Airport in July is currently the most expensive (average of £791). 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 19 October 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?
Airfare is below average for this route at the moment.
Calgary to London Heathrow Airport flights typically cost between £471 and £710 in November.The cheapest return price found within the last 5 days was £402 on WestJet (26 Nov–1 Dec).
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 19 October 2026.
The most flights from YYC to LHR are scheduled on a Tuesday (13 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (12 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 138 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 50% 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.
Ottawa (YOW) is the most affordable one-stop option, with an average return flight price of £657.
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 Montreal (YUL) have the shortest average one-way travel time for one-stop routes: 12h 35m.
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 Montreal (YUL) offer the fastest connection on this route, with an average stopover time of 1h 33m.
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 19 October 2026.
Get a feel of what it's like to fly with WestJet and Air 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.
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 12 flights from Calgary to London Heathrow per day from 2 different airlines.
How long is the flight from Calgary to London Heathrow Airport?
Airlines like United Airlines and Delta fly from Calgary to London Heathrow Airport in about 15h 20m. The time it takes to get you to your destination can typically vary by up to 10m. There are 4355 mi between Calgary and London Heathrow Airport. Both multi-stop and direct flights can be found to your destination and back.
What are the cheapest airlines flying from Calgary to London Heathrow Airport round-trip?
Currently priced at £270, 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. Check Cheapflights for deals on Air Canada for as low as £388. WestJet is 57% 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 £124. Users have also found prices from £256 and £360 on Air Canada and Lufthansa, respectively.
What are the most reliable airlines from Calgary to London Heathrow Airport?
Consider Air Canada (92%), Austrian Airlines (92%) or Egyptair (92%) 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 £413 for a flight from Calgary to London Heathrow Airport. The cheapest flight overall is £167 while the most popular route, (Calgary - London Heathrow) is currently priced at £390.
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 £420). Flying from Calgary to London Heathrow Airport in July is currently the most expensive (average of £791). 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.
Explore flights to Heathrow departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 19 October 2026.
Discover the top 2 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 7,457,451 searches. Data last updated 19 October 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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