Cheap flights from Calgary to London Heathrow Airport from £168
This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/1. Fares are subject to change and may not be available on all flights or dates of travel.
YYC — LHR
3 Nov — 10 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 4 October 2026.
Tue 24/1118:05 -
2 stops20h 35m
Thu 26/1113:45 -
2 stops41h 21m
Deal found 2/10£417
Tue 24/1118:30 -
Nonstop7h 50m
Wed 25/1120:05 -
2 stops51h 15m
Deal found 2/10£418
Thu 12/1122:10 -
Nonstop7h 40m
Wed 25/1114:50 -
Nonstop9h 55m
Deal found 29/9£419
Thu 26/1122:10 -
Nonstop7h 40m
Sun 6/1215:15 -
1 stop31h 35m
Deal found 4/10£421
Sun 15/1122:10 -
Nonstop7h 40m
Sat 28/1114:50 -
Nonstop9h 55m
Deal found 1/10£423
Fri 27/1122:10 -
Nonstop7h 40m
Tue 15/1214:50 -
Nonstop9h 55m
Deal found 2/10£424
Sat 31/1022:10 -
Nonstop8h 40m
Sat 7/1114:50 -
Nonstop9h 55m
Deal found 3/10£426
Fri 27/1122:10 -
Nonstop7h 40m
Mon 7/1214:50 -
Nonstop9h 55m
Deal found 1/10£427
Mon 30/1122:10 -
Nonstop7h 40m
Wed 2/1214:50 -
Nonstop9h 55m
Deal found 1/10£428
Mon 16/1122:10 -
Nonstop7h 40m
Tue 24/1114:50 -
Nonstop9h 55m
Deal found 1/10£430
Tue 13/1020:35 -
Nonstop8h 30m
Wed 4/1114:50 -
Nonstop9h 55m
Deal found 1/10£431
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 October 2026.
Fri 4/1208:45 -
1 stop15h 20m
Mon 7/1208:40 -
2 stops17h 50m
Deal found 1/10£507
Thu 12/1116:30 -
3 stops21h 05m
Wed 25/1106:50 -
2 stops20h 27m
Deal found 29/9£507
Sat 7/1113:33 -
1 stop13h 27m
Tue 17/1109:50 -
1 stop19h 08m
Deal found 2/10£514
Tue 17/1107:00 -
2 stops19h 10m
Sun 22/1115:10 -
2 stops31h 11m
Deal found 3/10£514
Fri 23/1012:33 -
1 stop14h 27m
Fri 30/1009:50 -
1 stop16h 50m
Deal found 4/10£529
Sat 17/1013:40 -
1 stop16h 25m
Sat 24/1017:50 -
1 stop13h 54m
Deal found 2/10£541
Mon 16/1116:30 -
3 stops21h 50m
Tue 24/1115:10 -
2 stops31h 11m
Deal found 29/9£515
Thu 25/307:45 -
1 stop17h 20m
Mon 5/406:30 -
2 stops21h 24m
Deal found 1/10£581
Thu 15/1012:30 -
2 stops35h 25m
Mon 19/1006:50 -
2 stops35h 38m
Deal found 4/10£564
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 October 2026.
Tue 2/322:10 -
Nonstop7h 40m
Sat 13/314:50 -
Nonstop9h 55m
Deal found 4/10£413
Wed 13/121:10 -
Nonstop8h 40m
Wed 24/214:50 -
Nonstop9h 55m
Deal found 2/10£414
Mon 1/322:10 -
Nonstop7h 40m
Sun 7/314:50 -
Nonstop9h 55m
Deal found 2/10£415
Mon 1/222:10 -
Nonstop7h 40m
Wed 10/214:50 -
Nonstop9h 55m
Deal found 2/10£417
Thu 12/1122:10 -
Nonstop7h 40m
Wed 25/1114:50 -
Nonstop9h 55m
Deal found 29/9£419
Mon 1/322:10 -
Nonstop7h 40m
Wed 10/314:50 -
Nonstop9h 55m
Deal found 30/9£420
Tue 12/122:10 -
Nonstop7h 40m
Wed 24/214:50 -
Nonstop9h 55m
Deal found 2/10£421
Sun 15/1122:10 -
Nonstop7h 40m
Sat 28/1114:50 -
Nonstop9h 55m
Deal found 1/10£423
Thu 14/122:10 -
Nonstop7h 40m
Wed 24/214:50 -
Nonstop9h 55m
Deal found 2/10£424
Wed 3/322:10 -
Nonstop7h 40m
Mon 8/314:50 -
Nonstop9h 55m
Deal found 30/9£425
Sat 16/122:10 -
Nonstop7h 40m
Mon 22/214:50 -
Nonstop9h 55m
Deal found 2/10£426
Last-minute flights from Calgary to Heathrow
Discover last-minute flight deals from Calgary to Heathrow. Data last updated 4 October 2026 and is based on user searches.
Tue 13/1020:35 -
Nonstop8h 30m
Wed 4/1114:50 -
Nonstop9h 55m
Deal found 1/10£431
Tue 13/1020:35 -
1 stop33h 45m
Sun 18/1010:15 -
Nonstop9h 35m
Deal found 3/10£470
Tue 13/1015:50 -
2 stops38h 30m
Wed 21/1012:40 -
2 stops38h 50m
Deal found 1/10£473
Wed 14/1012:30 -
2 stops17h 50m
Mon 19/1006:55 -
1 stop17h 35m
Deal found 1/10£464
Wed 14/1016:25 -
1 stop13h 55m
Tue 20/1015:05 -
1 stop13h 54m
Deal found 30/9£469
Wed 14/1011:10 -
1 stop14h 25m
Wed 21/1019:10 -
1 stop29h 20m
Deal found 1/10£472
Wed 14/1016:25 -
1 stop13h 55m
Mon 19/1010:15 -
Nonstop9h 35m
Deal found 2/10£474
Wed 14/1006:00 -
1 stop24h 20m
Sat 31/1014:30 -
2 stops28h 25m
Deal found 30/9£475
Wed 14/1012:30 -
2 stops17h 50m
Tue 20/1012:40 -
2 stops38h 50m
Deal found 30/9£476
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 October 2026.
Fri 8/121:10 -
Nonstop8h 40m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 3/10£168
Wed 10/322:10 -
Nonstop7h 40m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 2/10£172
Fri 16/1020:35 -
Nonstop8h 30m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 30/9£175
Mon 12/1020:35 -
Nonstop8h 30m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 2/10£176
Sat 17/1020:35 -
Nonstop8h 30m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 2/10£177
Sat 10/1020:35 -
Nonstop8h 30m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 2/10£178
Tue 20/1020:35 -
Nonstop8h 30m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 3/10£183
Sun 11/1020:35 -
Nonstop8h 30m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 2/10£183
Sat 24/1020:35 -
Nonstop8h 30m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 1/10£185
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 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 4 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
CalgaryLondon
YYC Calgary - LHR London Heathrow
YYCLHR
Calgary
Sun 29/11
19:30-17:20
1 stop15h 50m
London Heathrow
Wed 31/12
00:00-16:00
Nonstop0h 00m
£285
CalgaryLondon
YYC Calgary - LHR London Heathrow
YYCLHR
Calgary
Fri 20/11
19:30-21:40
3 stops20h 10m
London Heathrow
Wed 31/12
00:00-16:00
Nonstop0h 00m
£363
Fastest return journey
CalgaryLondon
YYC Calgary - LHR London Heathrow
YYCLHR
Calgary
Wed 20/1
14:52-09:25
1 stop12h 33m
London Heathrow
Wed 31/12
00:00-16:00
Nonstop0h 00m
£367
CalgaryLondon
YYC Calgary - LHR London Heathrow
YYCLHR
Calgary
Sat 21/11
13:25-11:10
1 stop15h 45m
London Heathrow
Wed 31/12
00:00-16:00
Nonstop0h 00m
£380
CalgaryLondon
YYC Calgary - LHR London Heathrow
YYCLHR
Calgary
Wed 20/1
07:00-08:15
2 stops19h 15m
London Heathrow
Wed 31/12
00:00-16:00
Nonstop0h 00m
£381
CalgaryLondon
YYC Calgary - LHR London Heathrow
YYCLHR
Calgary
Wed 23/12
13:25-11:10
1 stop15h 45m
London Heathrow
Wed 31/12
00:00-16:00
Nonstop0h 00m
£450
CalgaryLondon
YYC Calgary - LHR London Heathrow
YYCLHR
Calgary
Fri 4/12
08:45-06:05
1 stop15h 20m
London Heathrow
Mon 7/12
08:40-20:30
2 stops17h 50m
£507
CalgaryLondon
YYC Calgary - LHR London Heathrow
YYCLHR
Calgary
Thu 12/11
16:30-19:35
3 stops21h 05m
London Heathrow
Wed 25/11
06:50-21:17
2 stops20h 27m
£507
CalgaryLondon
YYC Calgary - LHR London Heathrow
YYCLHR
Calgary
Sat 7/11
13:33-09:00
1 stop13h 27m
London Heathrow
Tue 17/11
09:50-22:58
1 stop19h 08m
£514
CalgaryLondon
YYC Calgary - LHR London Heathrow
YYCLHR
Calgary
Tue 17/11
07:00-08:10
2 stops19h 10m
London Heathrow
Sun 22/11
15:10-16:21
2 stops31h 11m
£514
Flights are sorted by cheapest return flights first.
Deals found on 29/9
Showing 1-10 of 21 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 £421). Flying from Calgary to London Heathrow Airport in July is currently the most expensive (average of £793). 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 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 £479 and £734 in March.The cheapest return price found within the last 5 days was £413 on WestJet (2 Mar–13 Mar).
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 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 (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 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 £661.
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 4 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 11 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 KLM, United Airlines, and Delta fly from Calgary to London Heathrow Airport in about 13h 27m. The time it takes to get you to your destination can typically vary by up to 7h 38m. 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 £272, 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 £390. 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 £111. Users have also found prices from £257 and £362 on Air Canada and Lufthansa, respectively.
What are the most reliable airlines from Calgary to London Heathrow Airport?
Consider Air Canada (93%), Austrian Airlines (93%) or Egyptair (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 £406 for a flight from Calgary to London Heathrow Airport. The cheapest flight overall is £190 while the most popular route, (Calgary - London Heathrow) is currently priced at £385.
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 £421). Flying from Calgary to London Heathrow Airport in July is currently the most expensive (average of £793). 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 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 4 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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