Cheap flights from Calgary to London Heathrow Airport from £116
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 29/1. Fares are subject to change and may not be available on all flights or dates of travel.
YYC — LHR
3 Jan — 10 Jan1
Return
1 adult
Economy
Return
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Calgary to London Heathrow are usually found in February or January, booked 86 days in advance, depart on a Saturday or Wednesday and return on a Thursday
Cheap flight deals from Calgary to Heathrow
Enter your travel dates to find the best prices.
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 4 December 2025.
Sun 7/1221:10YYC - LHR
Nonstop8h 40mWestJet
Sun 8/214:50LHR - YYC
Nonstop8h 50mWestJet
Deal found 1/12£359
Sun 7/1221:10YYC - LHR
Nonstop8h 40mWestJet
Sat 7/214:50LHR - YYC
Nonstop8h 50mWestJet
Deal found 1/12£360
Thu 4/1221:10YYC - LHR
Nonstop8h 40mWestJet
Sat 7/214:50LHR - YYC
Nonstop8h 50mWestJet
Deal found 1/12£360
Sun 7/1221:10YYC - LHR
Nonstop8h 40mWestJet
Mon 9/214:50LHR - YYC
Nonstop8h 50mWestJet
Deal found 2/12£363
Sat 6/1221:10YYC - LHR
Nonstop8h 40mWestJet
Fri 6/214:50LHR - YYC
Nonstop8h 50mWestJet
Deal found 30/11£380
Sat 6/1221:10YYC - LHR
Nonstop8h 40mWestJet
Mon 9/214:50LHR - YYC
Nonstop8h 50mWestJet
Deal found 30/11£381
Sun 7/1221:10YYC - LHR
Nonstop8h 40mMultiple Airlines
Sun 18/107:30LHR - YYC
1 stop15h 30mMultiple Airlines
Deal found 30/11£382
Sun 7/1221:10YYC - LHR
Nonstop8h 40mWestJet
Fri 6/214:50LHR - YYC
Nonstop8h 50mWestJet
Deal found 2/12£384
Sun 7/1221:10YYC - LHR
Nonstop8h 40mWestJet
Tue 10/214:50LHR - YYC
Nonstop8h 50mWestJet
Deal found 1/12£388
Sun 7/1221:10YYC - LHR
Nonstop8h 40mWestJet
Fri 24/414:10LHR - YYC
Nonstop8h 50mWestJet
Deal found 2/12£388
Thu 4/1221:10YYC - LHR
Nonstop8h 40mMultiple Airlines
Sun 18/106:30LHR - YYC
1 stop16h 30mMultiple Airlines
Deal found 30/11£396
Tue 2/1213:10YYC - LHR
2 stops15h 10mAir Canada
Tue 9/1209:00LHR - YYC
2 stops18h 39mAir Canada
Deal found 1/12£398
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 4 December 2025.
Sun 18/106:45YYC - LHR
2 stops16h 55mUnited Airlines
Sat 24/113:35LHR - YYC
2 stops30h 33mUnited Airlines
Deal found 2/12£443
Mon 23/206:30YYC - LHR
2 stops19h 15mDelta
Wed 11/306:30LHR - YYC
2 stops20h 15mDelta
Deal found 2/12£504
Sun 8/306:45YYC - LHR
1 stop18h 20mVirgin Atlantic
Sat 14/310:45LHR - YYC
1 stop18h 17mVirgin Atlantic
Deal found 3/12£508
Fri 6/212:37YYC - LHR
2 stops15h 13mUnited Airlines
Wed 18/212:50LHR - YYC
2 stops29h 45mUnited Airlines
Deal found 1/12£445
Fri 6/206:15YYC - LHR
1 stop20h 25mUnited Airlines
Mon 16/210:25LHR - YYC
1 stop32h 10mUnited Airlines
Deal found 1/12£445
Thu 5/307:40YYC - LHR
2 stops18h 05mDelta
Mon 9/306:30LHR - YYC
2 stops20h 15mDelta
Deal found 3/12£504
Sun 18/106:30YYC - LHR
2 stops19h 15mDelta
Sun 1/208:40LHR - YYC
2 stops19h 14mDelta
Deal found 1/12£506
Mon 16/306:45YYC - LHR
2 stops22h 05mUnited Airlines
Tue 31/316:40LHR - YYC
2 stops25h 57mUnited Airlines
Deal found 1/12£501
Thu 15/107:40YYC - LHR
2 stops16h 25mDelta
Thu 19/211:05LHR - YYC
1 stop16h 49mDelta
Deal found 2/12£508
Wed 18/306:45YYC - LHR
2 stops17h 35mDelta
Wed 25/311:05LHR - YYC
1 stop15h 40mDelta
Deal found 3/12£508
Sat 24/106:30YYC - LHR
2 stops19h 50mDelta
Mon 23/311:05LHR - YYC
1 stop15h 40mDelta
Deal found 2/12£508
Tue 3/306:30YYC - LHR
2 stops19h 50mDelta
Mon 30/320:00LHR - YYC
2 stops31h 45mDelta
Deal found 2/12£508
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 4 December 2025.
Wed 21/121:10YYC - LHR
Nonstop8h 40mWestJet
Wed 28/114:50LHR - YYC
Nonstop9h 05mWestJet
Deal found 3/12£342
Wed 28/121:10YYC - LHR
Nonstop8h 40mWestJet
Wed 4/214:50LHR - YYC
Nonstop8h 50mWestJet
Deal found 2/12£344
Wed 21/121:10YYC - LHR
Nonstop8h 40mWestJet
Sun 1/214:50LHR - YYC
Nonstop8h 50mWestJet
Deal found 2/12£345
Wed 14/121:10YYC - LHR
Nonstop8h 40mWestJet
Thu 22/114:50LHR - YYC
Nonstop9h 05mWestJet
Deal found 3/12£348
Mon 16/221:10YYC - LHR
Nonstop8h 40mWestJet
Wed 18/214:50LHR - YYC
Nonstop8h 50mWestJet
Deal found 3/12£348
Thu 12/221:10YYC - LHR
Nonstop8h 40mWestJet
Thu 19/214:50LHR - YYC
Nonstop8h 50mWestJet
Deal found 30/11£349
Sun 1/221:10YYC - LHR
Nonstop8h 40mWestJet
Thu 5/214:50LHR - YYC
Nonstop8h 50mWestJet
Deal found 2/12£352
Mon 26/121:10YYC - LHR
Nonstop8h 40mWestJet
Wed 28/114:50LHR - YYC
Nonstop9h 05mWestJet
Deal found 30/11£353
Thu 15/121:10YYC - LHR
Nonstop8h 40mWestJet
Thu 22/114:50LHR - YYC
Nonstop9h 05mWestJet
Deal found 1/12£355
Fri 23/121:10YYC - LHR
Nonstop8h 40mWestJet
Sun 22/314:50LHR - YYC
Nonstop8h 50mWestJet
Deal found 2/12£366
Last-minute flights from Calgary to Heathrow
Discover last-minute flight deals from Calgary to Heathrow. Data last updated 4 December 2025 and is based on user searches.
Mon 8/1218:25YYC - LHR
Nonstop8h 45mMultiple Airlines
Tue 10/220:05LHR - YYC
2 stops31h 54mMultiple Airlines
Deal found 30/11£452
Mon 8/1218:25YYC - LHR
Nonstop8h 45mAir Canada
Mon 9/213:25LHR - YYC
2 stops18h 19mAir Canada
Deal found 30/11£460
Mon 8/1216:30YYC - LHR
1 stop12h 20mAir Canada
Wed 11/212:00LHR - YYC
2 stops19h 14mAir Canada
Deal found 30/11£465
Mon 8/1218:25YYC - LHR
Nonstop8h 45mAir Canada
Fri 30/114:30LHR - YYC
1 stop17h 14mAir Canada
Deal found 3/12£466
Mon 8/1205:35YYC - LHR
1 stop17h 55mAir Canada
Thu 12/211:10LHR - YYC
2 stops17h 29mAir Canada
Deal found 30/11£470
Tue 9/1219:50YYC - LHR
1 stop33h 00mAir Canada
Wed 14/106:50LHR - YYC
2 stops23h 54mAir Canada
Deal found 3/12£448
Tue 9/1218:25YYC - LHR
Nonstop8h 45mMultiple Airlines
Wed 14/106:50LHR - YYC
2 stops23h 54mMultiple Airlines
Deal found 3/12£450
Tue 9/1216:30YYC - LHR
1 stop12h 20mAir Canada
Mon 9/214:30LHR - YYC
1 stop12h 39mAir Canada
Deal found 30/11£458
Wed 10/1205:35YYC - LHR
1 stop18h 35mAir Canada
Tue 10/206:50LHR - YYC
2 stops16h 19mAir Canada
Deal found 30/11£467
Wed 10/1215:00YYC - LHR
1 stop13h 50mAir Canada
Mon 9/214:30LHR - YYC
1 stop12h 39mAir Canada
Deal found 2/12£473
Wed 10/1218:25YYC - LHR
Nonstop8h 45mAir Canada
Sun 8/215:00LHR - YYC
Nonstop9h 00mAir Canada
Deal found 30/11£474
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 4 December 2025.
Thu 29/121:10YYC - LHR
Nonstop8h 40mWestJet
Deal found 2/12£116
Thu 26/221:10YYC - LHR
Nonstop8h 40mWestJet
Deal found 2/12£117
Sat 17/121:10YYC - LHR
Nonstop8h 40mWestJet
Deal found 2/12£137
Fri 27/221:10YYC - LHR
Nonstop8h 40mWestJet
Deal found 2/12£138
Sun 22/322:10YYC - LHR
Nonstop8h 40mWestJet
Deal found 2/12£172
Tue 17/322:10YYC - LHR
Nonstop8h 40mWestJet
Deal found 2/12£178
Mon 26/119:30YYC - LHR
1 stop18h 20mMultiple Airlines
Deal found 1/12£205
Fri 30/119:30YYC - LHR
2 stops30h 40mMultiple Airlines
Deal found 2/12£210
Tue 13/119:30YYC - LHR
1 stop14h 05mWestJet
Deal found 1/12£217
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 4 December 2025.
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 4 December 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 18/1
06:45-06:40
2 stops16h 55m
London Heathrow
Sat 24/1
13:35-13:08
2 stops30h 33m
£443
CalgaryLondon
YYC - LHR
YYCLHR
Calgary
Fri 6/2
12:37-10:50
2 stops15h 13m
London Heathrow
Wed 18/2
12:50-11:35
2 stops29h 45m
£445
CalgaryLondon
YYC - LHR
YYCLHR
Calgary
Fri 6/2
06:15-09:40
1 stop20h 25m
London Heathrow
Mon 16/2
10:25-11:35
1 stop32h 10m
£445
CalgaryLondon
YYC - LHR
YYCLHR
Calgary
Mon 16/3
06:45-10:50
2 stops22h 05m
London Heathrow
Tue 31/3
16:40-11:37
2 stops25h 57m
£501
CalgaryLondon
YYC - LHR
YYCLHR
Calgary
Mon 23/2
06:30-08:45
2 stops19h 15m
London Heathrow
Wed 11/3
06:30-20:45
2 stops20h 15m
£504
CalgaryLondon
YYC - LHR
YYCLHR
Calgary
Thu 5/3
07:40-08:45
2 stops18h 05m
London Heathrow
Mon 9/3
06:30-20:45
2 stops20h 15m
£504
CalgaryLondon
YYC - LHR
YYCLHR
Calgary
Sun 18/1
06:30-08:45
2 stops19h 15m
London Heathrow
Sun 1/2
08:40-20:54
2 stops19h 14m
£506
CalgaryLondon
YYC - LHR
YYCLHR
Calgary
Sun 8/3
06:45-07:05
1 stop18h 20m
London Heathrow
Sat 14/3
10:45-23:02
1 stop18h 17m
£508
CalgaryLondon
YYC - LHR
YYCLHR
Calgary
Thu 15/1
07:40-07:05
2 stops16h 25m
London Heathrow
Thu 19/2
11:05-20:54
1 stop16h 49m
£508
CalgaryLondon
YYC - LHR
YYCLHR
Calgary
Wed 18/3
06:45-06:20
2 stops17h 35m
London Heathrow
Wed 25/3
11:05-20:45
1 stop15h 40m
£508
Flights are sorted by cheapest return flights first.
Deals found on 3/12
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 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?
Use this chart to determine the optimal time to book a return flight from Calgary to Heathrow. Price data was last updated on 28 November 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 86 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, February is the cheapest month in which you can book a flight from Calgary to London Heathrow Airport (average of £317). Flying from Calgary to London Heathrow Airport in August is currently the most expensive (average of £586). 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 4 December 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 18% on your trip compared to booking a flight at midday.
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 4 December 2025.
The most flights from YYC to LHR are scheduled on a Monday (11 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (11 on average).
How often are flights from Calgary to London delayed?
About 16% 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 in the early afternoon tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Wednesday tends to have the lowest number of delays on this route, whereas Sunday 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 13% 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 33% 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 £541.
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 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 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 4 December 2025.
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.
I like direct flight from Calgary to Japan. But it’s my fault, I did not decide my seat till last minute. I was in the middle seat in the middle lane, I hesitated asking to go to bathroom.
I like direct flight from Calgary to Japan. But it’s my fault, I did not decide my seat till last minute. I was in the middle seat in the middle lane, I hesitated asking to go to bathroom.
I like direct flight from Calgary to Japan. But it’s my fault, I did not decide my seat till last minute. I was in the middle seat in the middle lane, I hesitated asking to go to bathroom.
I like direct flight from Calgary to Japan. But it’s my fault, I did not decide my seat till last minute. I was in the middle seat in the middle lane, I hesitated asking to go to bathroom.
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 3 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 16h 55m. The time it takes to get you to your destination can typically vary by up to 2h 20m. 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 £326, 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 £421 and £424, respectively. WestJet is 44% cheaper than the average price of flights available within the next 90 days to this destination.
What are the most reliable airlines from Calgary to London Heathrow Airport?
Consider United Airlines (81%), Air Canada (78%) or Aegean Airlines (78%) 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 £529 for a flight from Calgary to London Heathrow Airport. The cheapest flight overall is £109 while the most popular route, (Calgary - London Heathrow) is currently priced at £369.
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, February is the cheapest month in which you can book a flight from Calgary to London Heathrow Airport (average of £317). Flying from Calgary to London Heathrow Airport in August is currently the most expensive (average of £586). 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 4 December 2025.
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 4 December 2025.
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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