$187+ Cheap flights from Calgary (YYC) to Heathrow (LHR)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/15. Fares are subject to change and may not be available on all flights or dates of travel.
YYC — LHR
Nov 29 — Dec 61
Round-trip
1 adult, Economy
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Find cheap flights from Calgary to Heathrow with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from Calgary to London Heathrow are usually found in January or February, booked 2 days in advance, depart on a Thursday or Friday and return on a Monday
Cheap flight deals from Calgary to Heathrow
Cheapest
Best
Last-minute
One-way
Cheapest flights from Calgary to HeathrowExplore 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 October 30, 2026.
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 October 30, 2026.
This FlightHub deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/1510:10 pm -
Nonstop8h 40m
Wed 11/252:50 pm -
Nonstop8h 55m
Deal found 10/26![WestJet logo]()
$536
This Kiwi.com deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/1310:10 pm -
Nonstop8h 40m
Sat 11/212:50 pm -
Nonstop8h 55m
Deal found 10/26![WestJet logo]()
$537
This Kiwi.com deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/1510:10 pm -
Nonstop8h 40m
Sun 11/222:50 pm -
Nonstop8h 55m
Deal found 10/26![WestJet logo]()
$538
This Kiwi.com deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1710:10 pm -
Nonstop8h 40m
Fri 11/272:50 pm -
Nonstop8h 55m
Deal found 10/26![WestJet logo]()
$540
This Kiwi.com deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/1410:10 pm -
Nonstop8h 40m
Fri 11/272:50 pm -
Nonstop8h 55m
Deal found 10/26![WestJet logo]()
$541
This Kiwi.com deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/1610:10 pm -
Nonstop8h 40m
Fri 11/272:50 pm -
Nonstop8h 55m
Deal found 10/26![WestJet logo]()
$542
This WestJet deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure WestJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1910:10 pm -
Nonstop8h 40m
Tue 11/242:50 pm -
Nonstop8h 55m
Deal found 10/26![WestJet logo]()
$543
This Kiwi.com deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/810:10 pm -
Nonstop8h 40m
Sat 11/219:55 am -
2 stops35h 55m
Deal found 10/28![Multiple Airlines logo]()
$545
This WestJet deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure WestJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/2310:10 pm -
Nonstop8h 40m
Thu 12/32:50 pm -
Nonstop8h 55m
Deal found 10/26![WestJet logo]()
$546
This Kiwi.com deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/2510:10 pm -
Nonstop8h 40m
Wed 12/22:15 pm -
2 stops31h 35m
Deal found 10/26![Multiple Airlines logo]()
$569
Best flights from Calgary to HeathrowDiscover carefully curated flight deals from Calgary to Heathrow that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 30, 2026.
Discover carefully curated flight deals from Calgary to Heathrow that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 30, 2026.
This United Airlines deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/37:00 am -
2 stops20h 10m
Tue 2/166:35 am -
2 stops19h 02m
Deal found 10/25![United Airlines logo]()
$686
This Delta deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/252:20 pm -
2 stops17h 30m
Mon 11/306:30 am -
1 stop14h 10m
Deal found 10/28![Delta logo]()
$687
This KLM deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/2211:00 am -
2 stops16h 00m
Wed 3/38:40 am -
2 stops16h 50m
Deal found 10/25![KLM logo]()
$728
This Delta deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/278:45 am -
2 stops17h 00m
Fri 12/411:20 am -
2 stops19h 01m
Deal found 10/29![Delta logo]()
$688
This United Airlines deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/177:45 am -
1 stop16h 35m
Sun 11/224:20 pm -
2 stops26h 15m
Deal found 10/30![United Airlines logo]()
$726
This Delta deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/37:15 am -
2 stops17h 50m
Tue 3/169:50 am -
1 stop17h 04m
Deal found 10/30![Delta logo]()
$702
This United Airlines deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/510:40 am -
2 stops38h 00m
Tue 1/266:35 am -
2 stops19h 02m
Deal found 10/28![United Airlines logo]()
$763
This Delta deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/108:45 am -
1 stop16h 20m
Wed 11/186:20 am -
2 stops21h 38m
Deal found 10/26![Delta logo]()
$711
This Delta deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/307:25 am -
1 stop20h 35m
Mon 12/149:50 am -
2 stops20h 31m
Deal found 10/28![Delta logo]()
$770
This United Airlines deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/182:00 pm -
2 stops33h 45m
Sat 5/152:50 pm -
1 stop30h 06m
Deal found 10/25![United Airlines logo]()
$864
This Delta deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/88:45 am -
1 stop16h 20m
Mon 12/149:50 am -
2 stops20h 31m
Deal found 10/26![Delta logo]()
$773
Last-minute flights from Calgary to HeathrowDiscover last-minute flight deals from Calgary to Heathrow. Data last updated October 30, 2026 and is based on user searches.
Discover last-minute flight deals from Calgary to Heathrow. Data last updated October 30, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/810:10 pm -
Nonstop8h 40m
Sat 11/219:55 am -
2 stops35h 55m
Deal found 10/28![Multiple Airlines logo]()
$545
This Kiwi.com deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/1310:10 pm -
Nonstop8h 40m
Sat 11/212:50 pm -
Nonstop8h 55m
Deal found 10/26![WestJet logo]()
$537
This Kiwi.com deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/1410:10 pm -
Nonstop8h 40m
Fri 11/272:50 pm -
Nonstop8h 55m
Deal found 10/26![WestJet logo]()
$541
This FlightHub deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/1510:10 pm -
Nonstop8h 40m
Tue 11/242:50 pm -
Nonstop8h 55m
Deal found 10/26![WestJet logo]()
$536
This Kiwi.com deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/1510:10 pm -
Nonstop8h 40m
Sun 11/222:50 pm -
Nonstop8h 55m
Deal found 10/26![WestJet logo]()
$538
This Kiwi.com deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/1610:10 pm -
Nonstop8h 40m
Fri 11/272:50 pm -
Nonstop8h 55m
Deal found 10/26![WestJet logo]()
$542
This Kiwi.com deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1710:10 pm -
Nonstop8h 40m
Fri 11/272:50 pm -
Nonstop8h 55m
Deal found 10/26![WestJet logo]()
$540
This WestJet deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure WestJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1910:10 pm -
Nonstop8h 40m
Tue 11/242:50 pm -
Nonstop8h 55m
Deal found 10/26![WestJet logo]()
$543
This WestJet deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure WestJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/2310:10 pm -
Nonstop8h 40m
Thu 12/32:50 pm -
Nonstop8h 55m
Deal found 10/26![WestJet logo]()
$546
This Kiwi.com deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/2510:10 pm -
Nonstop8h 40m
Wed 12/22:15 pm -
2 stops31h 35m
Deal found 10/26![Multiple Airlines logo]()
$569
One-way flights from Calgary to HeathrowSearch for one-way flight options from Calgary to Heathrow. Find affordable one-way fares based on user searches. Data last updated October 30, 2026.
Search for one-way flight options from Calgary to Heathrow. Find affordable one-way fares based on user searches. Data last updated October 30, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/1510:10 pm -
Nonstop8h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![WestJet logo]()
$187
This Kiwi.com deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/910:10 pm -
Nonstop8h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![WestJet logo]()
$189
This Kiwi.com deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/710:10 pm -
Nonstop8h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![WestJet logo]()
$190
This SmartFares deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/258:35 pm -
Nonstop8h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![WestJet logo]()
$203
This Kiwi.com deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/228:25 pm -
Nonstop8h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![WestJet logo]()
$211
This Kiwi.com deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/238:25 pm -
Nonstop8h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/29![WestJet logo]()
$212
This Kiwi.com deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/268:35 pm -
Nonstop8h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![WestJet logo]()
$214
This Kiwi.com deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/288:35 pm -
Nonstop8h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![WestJet logo]()
$215
This Kiwi.com deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/1610:10 pm -
Nonstop8h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/27![WestJet logo]()
$217
This Kiwi.com deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/1510:10 pm -
Nonstop8h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/27![WestJet logo]()
$218
This FlightHub deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/2010:10 pm -
Nonstop8h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/27![WestJet logo]()
$219
This Kiwi.com deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/277:30 pm -
2 stops18h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/27![Multiple Airlines logo]()
$294
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 October 30, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $536 (FlightHub) |
One-way from | $187 (Kiwi.com) |
Popular in | July |
Cheapest in | January |
Average price | $775 |
Good round-trip deal | $803 or less |
Good one-way deal | $252 or less |
Cheapflights Fare Finder
Customize 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 October 30, 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
Cheapest round-trip
CalgaryLondon
YYC Calgary - LHR London Heathrow
YYCLHR
Calgary
Sun 1/10
2:52 pm-6:55 am
1 stop34h 03m
London Heathrow
Wed 12/31
12:00 am-4:00 pm
Nonstop0h 00m
$508
CalgaryLondon
YYC Calgary - LHR London Heathrow
YYCLHR
Calgary
Fri 1/8
7:00 am-6:50 am
1 stop17h 50m
London Heathrow
Wed 12/31
12:00 am-4:00 pm
Nonstop0h 00m
$508
CalgaryLondon
YYC Calgary - LHR London Heathrow
YYCLHR
Calgary
Sat 4/24
1:40 pm-12:00 pm
1 stop15h 20m
London Heathrow
Wed 12/31
12:00 am-4:00 pm
Nonstop0h 00m
$508
CalgaryLondon
YYC Calgary - LHR London Heathrow
YYCLHR
Calgary
Sat 1/16
7:00 am-8:15 am
1 stop19h 15m
London Heathrow
Wed 12/31
12:00 am-4:00 pm
Nonstop0h 00m
$508
CalgaryLondon
YYC Calgary - LHR London Heathrow
YYCLHR
Calgary
Thu 4/22
1:40 pm-6:50 am
1 stop34h 10m
London Heathrow
Wed 12/31
12:00 am-4:00 pm
Nonstop0h 00m
$508
Quickest round-trip
CalgaryLondon
YYC Calgary - LHR London Heathrow
YYCLHR
Calgary
Wed 4/28
12:45 pm-9:25 am
1 stop13h 40m
London Heathrow
Wed 12/31
12:00 am-4:00 pm
Nonstop0h 00m
$508
CalgaryLondon
YYC Calgary - LHR London Heathrow
YYCLHR
Calgary
Tue 4/27
12:45 pm-10:50 am
1 stop15h 05m
London Heathrow
Wed 12/31
12:00 am-4:00 pm
Nonstop0h 00m
$508
CalgaryLondon
YYC Calgary - LHR London Heathrow
YYCLHR
Calgary
Sun 1/17
2:52 pm-11:35 am
1 stop14h 43m
London Heathrow
Wed 12/31
12:00 am-4:00 pm
Nonstop0h 00m
$508
CalgaryLondon
YYC Calgary - LHR London Heathrow
YYCLHR
Calgary
Sun 11/29
7:00 am-8:15 am
1 stop19h 15m
London Heathrow
Wed 12/31
12:00 am-4:00 pm
Nonstop0h 00m
$509
CalgaryLondon
YYC Calgary - LHR London Heathrow
YYCLHR
Calgary
Fri 11/27
1:25 pm-10:25 am
1 stop15h 00m
London Heathrow
Wed 12/31
12:00 am-4:00 pm
Nonstop0h 00m
$509
Showing 1-10 of 23 resultsSorted by cheapest first
Compare providers for flights from Calgary to Heathrow
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Calgary to Heathrow in October.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Calgary-London Heathrow Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Calgary-London Heathrow Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Calgary-London Heathrow Airport flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Calgary-London Heathrow Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Calgary-London Heathrow Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
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 round-trip 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
How far ahead should I book a flight from Calgary to London Heathrow Airport?
The best time to book flights from Calgary to London Heathrow Airport is 1 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
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 $556). Flying from Calgary to London Heathrow Airport in July is currently the most expensive (average of $1,056). 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 October 30, 2026.
When flying from Calgary to London Heathrow Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
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 last year, Air Canada have had the lowest number of delays on this route, with just 14% of flights being delayed.
The best insider tips for Calgary to London Heathrow Airport flights
AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Calgary to London Heathrow Airport trip
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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 October 30, 2026.
Peruse reviews from past customers who have flown with WestJet,Air Canada, andLufthansa from Calgary to London Heathrow Airport to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
7.4
Entertainment
6.1
Crew
7.9
Overall
7.2
Comfort
7.1
Food
6.2
Reviews
1 / 20
2.0
MediocreBlaine,Dec 2025
YYC - YVR
Boarding
7.4
Entertainment
6.1
Crew
7.9
Overall
7.2
Comfort
7.1
Food
6.2
Reviews
1 / 20
2.0
MediocreBlaine,Dec 2025
YYC - YVR
Boarding
7.4
Entertainment
6.1
Crew
7.9
Overall
7.2
Comfort
7.1
Food
6.2
Reviews
1 / 20
2.0
MediocreBlaine,Dec 2025
YYC - YVR
Boarding
7.4
Entertainment
6.1
Crew
7.9
Overall
7.2
Comfort
7.1
Food
6.2
Reviews
1 / 20
2.0
MediocreBlaine,Dec 2025
YYC - YVR
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.
Traveling to a place near London Heathrow Airport?
Book flights to London Heathrow Airport if you plan to visit one of these locationsIlford
Dorking
Gatwick
Hounslow
Wembley
Harrow
Southend-on-Sea
Basingstoke
Watford
Northampton
Dartford
Winchester
Croydon
Kingston upon Thames
Chipping Norton
Slough
Eastbourne
Stansted
Sutton
Luton
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Other flights to Heathrow
Explore flights to Heathrow departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on October 30, 2026.
Calgary and Heathrow flights
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Top 3 airlines flying from Calgary to Heathrow
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 7,457,451 searches. Data last updated October 30, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$361 | Average$979 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$533 | Average$971 | FlexibilityNo cancel fee | On-time60% | |
| Cheapest$535 | Average$1,053 | FlexibilityNo cancel fee | On-time76% |