$346+ Cheap flights from Calgary (YYC) to Heathrow (LHR)
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 7/15. Fares are subject to change and may not be available on all flights or dates of travel.
YYC — LHR
Jul 15 — Jul 221
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 November, booked 73 days in advance, depart on a Monday or Tuesday 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 June 15, 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 June 15, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/10. 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 10/57:55 pm
YYC
- LHR
1 stop11h 00m
Multiple Airlines
Tue 10/207:40 am
LHR
- YYC
1 stop13h 35m
Multiple Airlines
Deal found 6/10![Multiple Airlines logo]()
$729
This Mytrip deal was found by Cheapflights users on 6/12. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/107:55 pm
YYC
- LHR
1 stop12h 05m
Multiple Airlines
Sun 10/189:50 am
LHR
- YYC
1 stop11h 25m
Multiple Airlines
Deal found 6/12![Multiple Airlines logo]()
$739
This Lufthansa deal was found by Cheapflights users on 6/13. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/175:30 pm
YYC
- LHR
Nonstop8h 50m
Lufthansa
Mon 11/301:25 pm
LHR
- YYC
Nonstop9h 30m
Lufthansa
Deal found 6/13![Lufthansa logo]()
$746
This Air Canada deal was found by Cheapflights users on 6/11. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/611:30 am
YYC
- LHR
1 stop17h 20m
Air Canada
Mon 11/1611:10 am
LHR
- YYC
1 stop16h 09m
Air Canada
Deal found 6/11![Air Canada logo]()
$747
This Air Canada deal was found by Cheapflights users on 6/11. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1911:30 am
YYC
- LHR
1 stop17h 20m
Air Canada
Wed 12/91:00 pm
LHR
- YYC
1 stop16h 14m
Air Canada
Deal found 6/11![Air Canada logo]()
$751
This Lufthansa deal was found by Cheapflights users on 6/10. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/65:30 pm
YYC
- LHR
Nonstop8h 50m
Lufthansa
Wed 11/111:25 pm
LHR
- YYC
Nonstop9h 30m
Lufthansa
Deal found 6/10![Lufthansa logo]()
$754
This Lufthansa deal was found by Cheapflights users on 6/11. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/105:30 pm
YYC
- LHR
Nonstop8h 50m
Lufthansa
Tue 11/241:25 pm
LHR
- YYC
Nonstop9h 30m
Lufthansa
Deal found 6/11![Lufthansa logo]()
$755
This British Airways deal was found by Cheapflights users on 6/14. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/236:45 am
YYC
- LHR
1 stop19h 15m
Multiple Airlines
Sun 11/12:45 pm
LHR
- YYC
1 stop27h 59m
Multiple Airlines
Deal found 6/14![Multiple Airlines logo]()
$759
This British Airways deal was found by Cheapflights users on 6/14. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/306:45 am
YYC
- LHR
1 stop19h 20m
Multiple Airlines
Tue 10/133:15 pm
LHR
- YYC
1 stop28h 15m
Multiple Airlines
Deal found 6/14![Multiple Airlines logo]()
$760
This British Airways deal was found by Cheapflights users on 6/11. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/306:45 am
YYC
- LHR
1 stop19h 20m
Multiple Airlines
Fri 10/302:45 pm
LHR
- YYC
1 stop27h 10m
Multiple Airlines
Deal found 6/11![Multiple Airlines logo]()
$761
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 June 15, 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 June 15, 2026.
This Lufthansa deal was found by Cheapflights users on 6/10. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/65:30 pm
YYC
- LHR
Nonstop8h 50m
Lufthansa
Wed 11/111:25 pm
LHR
- YYC
Nonstop9h 30m
Lufthansa
Deal found 6/10![Lufthansa logo]()
$754
This Finnair deal was found by Cheapflights users on 6/14. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/56:45 am
YYC
- LHR
2 stops20h 05m
Finnair
Tue 9/222:45 pm
LHR
- YYC
1 stop15h 44m
Finnair
Deal found 6/14![Finnair logo]()
$811
This SWISS deal was found by Cheapflights users on 6/11. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/271:30 pm
YYC
- LHR
2 stops17h 30m
SWISS
Tue 1/128:05 pm
LHR
- YYC
2 stops31h 34m
SWISS
Deal found 6/11![SWISS logo]()
$817
This British Airways deal was found by Cheapflights users on 6/11. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/136:45 am
YYC
- LHR
1 stop24h 40m
British Airways
Tue 9/2212:00 pm
LHR
- YYC
2 stops18h 29m
British Airways
Deal found 6/11![British Airways logo]()
$916
This Delta deal was found by Cheapflights users on 6/11. 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 7/272:30 pm
YYC
- LHR
1 stop15h 35m
Delta
Mon 8/106:30 am
LHR
- YYC
2 stops21h 05m
Delta
Deal found 6/11![Delta logo]()
$1,015
This United Airlines deal was found by Cheapflights users on 6/14. 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 8/27:15 pm
YYC
- LHR
3 stops19h 20m
United Airlines
Tue 8/118:00 am
LHR
- YYC
2 stops20h 48m
United Airlines
Deal found 6/14![United Airlines logo]()
$1,079
This Finnair deal was found by Cheapflights users on 6/14. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/96:45 am
YYC
- LHR
2 stops20h 05m
Finnair
Tue 9/221:00 pm
LHR
- YYC
2 stops17h 29m
Finnair
Deal found 6/14![Finnair logo]()
$811
This Lufthansa deal was found by Cheapflights users on 6/14. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/14:30 pm
YYC
- LHR
1 stop12h 20m
Lufthansa
Thu 12/311:25 pm
LHR
- YYC
Nonstop9h 30m
Lufthansa
Deal found 6/14![Lufthansa logo]()
$838
This SWISS deal was found by Cheapflights users on 6/10. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/57:15 pm
YYC
- LHR
2 stops17h 05m
SWISS
Tue 10/206:00 am
LHR
- YYC
2 stops16h 05m
SWISS
Deal found 6/10![SWISS logo]()
$856
This Delta deal was found by Cheapflights users on 6/11. 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.
Thu 9/106:35 am
YYC
- LHR
2 stops19h 25m
Delta
Sun 10/46:30 am
LHR
- YYC
2 stops21h 02m
Delta
Deal found 6/11![Delta logo]()
$1,068
This United Airlines deal was found by Cheapflights users on 6/11. 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 8/27:15 pm
YYC
- LHR
3 stops19h 20m
United Airlines
Fri 8/147:45 am
LHR
- YYC
2 stops21h 51m
United Airlines
Deal found 6/11![United Airlines logo]()
$1,100
Last-minute flights from Calgary to HeathrowDiscover last-minute flight deals from Calgary to Heathrow. Data last updated June 15, 2026 and is based on user searches.
Discover last-minute flight deals from Calgary to Heathrow. Data last updated June 15, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 6/14. 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 6/157:15 pm
YYC
- LHR
1 stop13h 25m
Multiple Airlines
Mon 6/227:50 pm
LHR
- YYC
2 stops29h 20m
Multiple Airlines
Deal found 6/14![Multiple Airlines logo]()
$775
This Ovago deal was found by Cheapflights users on 6/14. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/156:45 am
YYC
- LHR
1 stop19h 15m
British Airways
Mon 6/222:45 pm
LHR
- YYC
1 stop15h 57m
British Airways
Deal found 6/14![British Airways logo]()
$795
This Ovago deal was found by Cheapflights users on 6/14. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/186:45 am
YYC
- LHR
1 stop24h 40m
Multiple Airlines
Wed 6/242:45 pm
LHR
- YYC
1 stop15h 57m
Multiple Airlines
Deal found 6/14![Multiple Airlines logo]()
$867
This Cheapflightsfares deal was found by Cheapflights users on 6/13. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/186:45 am
YYC
- LHR
1 stop23h 05m
Finnair
Thu 6/252:45 pm
LHR
- YYC
1 stop15h 57m
Finnair
Deal found 6/13![Finnair logo]()
$882
This Mytrip deal was found by Cheapflights users on 6/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/54:20 pm
YYC
- LHR
2 stops20h 45m
Multiple Airlines
Wed 7/158:50 pm
LHR
- YYC
2 stops24h 30m
Multiple Airlines
Deal found 6/11![Multiple Airlines logo]()
$810
This Kiwi.com deal was found by Cheapflights users on 6/11. 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 7/59:25 am
YYC
- LHR
1 stop14h 05m
Multiple Airlines
Mon 7/63:00 pm
LHR
- YYC
1 stop31h 10m
Multiple Airlines
Deal found 6/11![Multiple Airlines logo]()
$854
This Kiwi.com deal was found by Cheapflights users on 6/14. 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 7/151:45 pm
YYC
- LHR
1 stop13h 15m
Multiple Airlines
Mon 7/2710:35 am
LHR
- YYC
2 stops30h 25m
Multiple Airlines
Deal found 6/14![Multiple Airlines logo]()
$829
This Kiwi.com deal was found by Cheapflights users on 6/13. 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 7/177:00 pm
YYC
- LHR
1 stop18h 05m
Multiple Airlines
Mon 7/2710:35 am
LHR
- YYC
2 stops30h 25m
Multiple Airlines
Deal found 6/13![Multiple Airlines logo]()
$873
This Kiwi.com deal was found by Cheapflights users on 6/13. 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 7/258:20 pm
YYC
- LHR
Nonstop8h 30m
Multiple Airlines
Sat 8/292:10 pm
LHR
- YYC
Nonstop8h 50m
Multiple Airlines
Deal found 6/13![Multiple Airlines logo]()
$858
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 June 15, 2026.
Search for one-way flight options from Calgary to Heathrow. Find affordable one-way fares based on user searches. Data last updated June 15, 2026.
This Air Canada deal was found by Cheapflights users on 6/13. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/1511:15 am
YYC
- LHR
1 stop14h 20m
Air Canada
Deal found 6/13![Air Canada logo]()
$346
This Kiwi.com deal was found by Cheapflights users on 6/11. 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 9/186:55 pm
YYC
- LHR
2 stops31h 40m
Multiple Airlines
Deal found 6/11![Multiple Airlines logo]()
$348
This Lufthansa deal was found by Cheapflights users on 6/11. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/71:45 pm
YYC
- LHR
1 stop13h 15m
Lufthansa
Deal found 6/11![Lufthansa logo]()
$350
This Kiwi.com deal was found by Cheapflights users on 6/12. 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 7/157:00 pm
YYC
- LHR
2 stops31h 10m
Multiple Airlines
Deal found 6/12![Multiple Airlines logo]()
$354
This Kiwi.com deal was found by Cheapflights users on 6/12. 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 9/46:55 pm
YYC
- LHR
2 stops31h 40m
Multiple Airlines
Deal found 6/12![Multiple Airlines logo]()
$355
This Kiwi.com deal was found by Cheapflights users on 6/12. 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 10/157:55 pm
YYC
- LHR
1 stop31h 25m
Multiple Airlines
Deal found 6/12![Multiple Airlines logo]()
$358
This Kiwi.com deal was found by Cheapflights users on 6/11. 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 9/21:00 pm
YYC
- LHR
3 stops24h 20m
Multiple Airlines
Deal found 6/11![Multiple Airlines logo]()
$361
This United Airlines deal was found by Cheapflights users on 6/13. 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 7/112:28 pm
YYC
- LHR
2 stops35h 27m
United Airlines
Deal found 6/13![United Airlines logo]()
$374
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 June 15, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $729 (Kiwi.com) |
One-way from | $346 (Air Canada) |
Popular in | July |
Cheapest in | January |
Average price | $979 |
Good round-trip deal | $900 or less |
Good one-way deal | $361 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 2,558,603 searches. Data last updated June 15, 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
Quickest round-trip
CalgaryLondon
YYC - LHR
YYCLHR
Calgary
Fri 11/6
5:30 pm-9:20 am
Nonstop8h 50m
London Heathrow
Wed 11/11
1:25 pm-3:55 pm
Nonstop9h 30m
$754
CalgaryLondon
YYC - LHR
YYCLHR
Calgary
Sat 9/5
6:45 am-9:50 am
2 stops20h 05m
London Heathrow
Tue 9/22
2:45 pm-11:29 pm
1 stop15h 44m
$811
CalgaryLondon
YYC - LHR
YYCLHR
Calgary
Wed 9/9
6:45 am-9:50 am
2 stops20h 05m
London Heathrow
Tue 9/22
1:00 pm-11:29 pm
2 stops17h 29m
$811
CalgaryLondon
YYC - LHR
YYCLHR
Calgary
Tue 10/27
1:30 pm-1:00 pm
2 stops17h 30m
London Heathrow
Tue 1/12
8:05 pm-8:39 pm
2 stops31h 34m
$817
CalgaryLondon
YYC - LHR
YYCLHR
Calgary
Tue 12/1
4:30 pm-11:50 am
1 stop12h 20m
London Heathrow
Thu 12/31
1:25 pm-3:55 pm
Nonstop9h 30m
$838
CalgaryLondon
YYC - LHR
YYCLHR
Calgary
Mon 10/5
7:15 pm-7:20 pm
2 stops17h 05m
London Heathrow
Tue 10/20
6:00 am-3:05 pm
2 stops16h 05m
$856
CalgaryLondon
YYC - LHR
YYCLHR
Calgary
Sun 9/13
6:45 am-2:25 pm
1 stop24h 40m
London Heathrow
Tue 9/22
12:00 pm-11:29 pm
2 stops18h 29m
$916
CalgaryLondon
YYC - LHR
YYCLHR
Calgary
Mon 7/27
2:30 pm-1:05 pm
1 stop15h 35m
London Heathrow
Mon 8/10
6:30 am-8:35 pm
2 stops21h 05m
$1,015
CalgaryLondon
YYC - LHR
YYCLHR
Calgary
Thu 9/10
6:35 am-9:00 am
2 stops19h 25m
London Heathrow
Sun 10/4
6:30 am-8:32 pm
2 stops21h 02m
$1,068
CalgaryLondon
YYC - LHR
YYCLHR
Calgary
Sun 8/2
7:15 pm-9:35 pm
3 stops19h 20m
London Heathrow
Tue 8/11
8:00 am-9:48 pm
2 stops20h 48m
$1,079
Showing 1-10 of 21 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 June.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| 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 Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*1 star |
- 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 72 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 $541). Flying from Calgary to London Heathrow Airport in July is currently the most expensive (average of $1,054). 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 June 15, 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 18% of weekly flights between Calgary and London have experienced delays in the past year, with the average delay time being 134 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?
Saturday tends to have the lowest number of delays on this route, whereas Thursday 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 15% 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
Our travel experts
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 June 15, 2026.
Peruse reviews from past customers who have flown with Delta,WestJet, andAir Canada 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
8.1
Crew
8.5
Entertainment
7.8
Comfort
7.8
Food
7.2
Overall
7.9
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Boarding
8.1
Crew
8.5
Entertainment
7.8
Comfort
7.8
Food
7.2
Overall
7.9
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Boarding
8.1
Crew
8.5
Entertainment
7.8
Comfort
7.8
Food
7.2
Overall
7.9
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Boarding
8.1
Crew
8.5
Entertainment
7.8
Comfort
7.8
Food
7.2
Overall
7.9
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Boarding
8.1
Crew
8.5
Entertainment
7.8
Comfort
7.8
Food
7.2
Overall
7.9
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
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
Hounslow
Winchester
Croydon
Gatwick
Southend-on-Sea
Wembley
Harrow
Eastleigh
Dartford
Dover
Orpington
Watford
Northampton
Chipping Norton
Hayes
Kingston upon Thames
Eastbourne
Slough
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Alternative routes for Calgary to Heathrow
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Complete your trip
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Search flights from Calgary to Heathrow by cabin class
Find flights from Calgary to Heathrow, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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 June 15, 2026.
Calgary and Heathrow flights
Browse other Calgary and Heathrow flight options. Last updated on June 15, 2026.
Other flights from Calgary
Browse through other flights departing from Calgary. Flights are based on user searches made on Cheapflights and were last updated on June 15, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 4 airlines flying from Calgary to Heathrow
Discover the top 4 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 2,558,603 searches. Data last updated June 15, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$417 | Average$939 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$517 | Average$971 | FlexibilityNo cancel fee | On-time60% | |
| Cheapest$538 | Average$974 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$598 | Average$828 | FlexibilityNo cancel fee | On-timeN/A |