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$309+ Cheap flights from Calgary (YYC) to London (LON)

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 12/17. Fares are subject to change and may not be available on all flights or dates of travel.
YYC — LON
Jul 23 — Jul 301
Thu 7/23
Thu 7/30
1 adult, Economy
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Cheapflights Tip: The best prices from Calgary to London are usually found in January or November, booked 16 days in advance, depart on a Monday or Saturday and return on a Monday

Cheap flight deals from Calgary to London

Cheapest flights from Calgary to London
Explore the most affordable flight options available from Calgary to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 23, 2026.

This Porter Airlines deal was found by Cheapflights users on 6/20. 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 Porter Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/277:00 am
YYC
-
LGW
1 stop20h 45m
Porter Airlines
Wed 11/411:40 am
LGW
-
YYC
1 stop18h 45m
Porter Airlines
Deal found 6/20$740
This Air Transat deal was found by Cheapflights users on 6/20. 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 Transat is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/2412:55 pm
YYC
-
LGW
1 stop14h 50m
Air Transat
Mon 11/211:40 am
LGW
-
YYC
1 stop32h 10m
Air Transat
Deal found 6/20$741
This Booking.com deal was found by Cheapflights users on 6/21. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/204:40 pm
YYC
-
LGW
1 stop32h 15m
Air Transat
Sat 10/109:40 am
LGW
-
YYC
1 stop33h 19m
Air Transat
Deal found 6/21$742
This Mytrip deal was found by Cheapflights users on 6/20. 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 8/27:00 am
YYC
-
LGW
2 stops30h 55m
Multiple Airlines
Thu 8/209:30 pm
LGW
-
YYC
2 stops27h 45m
Multiple Airlines
Deal found 6/20$743
This Air Canada deal was found by Cheapflights users on 6/19. 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 6/19$744
This Trip.com deal was found by Cheapflights users on 6/20. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/198:00 am
YYC
-
LGW
1 stop18h 50m
Air Transat
Wed 9/3011:35 am
LGW
-
YYC
1 stop17h 58m
Air Transat
Deal found 6/20$745
This Lufthansa deal was found by Cheapflights users on 6/21. 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 12/44:30 pm
YYC
-
LHR
1 stop12h 20m
Lufthansa
Mon 12/147:30 am
LHR
-
YYC
1 stop14h 50m
Lufthansa
Deal found 6/21$745
This SmartFares deal was found by Cheapflights users on 6/19. 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.
Mon 9/711:55 pm
YYC
-
LGW
1 stop27h 50m
Air Transat
Wed 9/3011:35 am
LGW
-
YYC
1 stop17h 58m
Air Transat
Deal found 6/19$746
This Air Transat deal was found by Cheapflights users on 6/19. 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 Transat is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/167:05 am
YYC
-
LGW
1 stop20h 40m
Air Transat
Sat 10/3111:40 am
LGW
-
YYC
1 stop16h 45m
Air Transat
Deal found 6/19$747
This Air Canada deal was found by Cheapflights users on 6/22. 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 12/45:30 pm
YYC
-
LHR
Nonstop8h 50m
Air Canada
Mon 12/143:00 pm
LHR
-
YYC
1 stop14h 24m
Air Canada
Deal found 6/22$747
This Kiwi.com deal was found by Cheapflights users on 6/20. 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 8/187:00 pm
YYC
-
LGW
1 stop32h 15m
Multiple Airlines
Thu 8/271:10 pm
LGW
-
YYC
2 stops27h 50m
Multiple Airlines
Deal found 6/20$750
This Air Transat deal was found by Cheapflights users on 6/20. 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 Transat is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/227:00 am
YYC
-
LGW
1 stop17h 55m
Air Transat
Fri 10/169:40 am
LGW
-
YYC
1 stop13h 50m
Air Transat
Deal found 6/20$752

Find flight deals from Calgary to London

Discover tips and strategies to find the most affordable flight options for your journey from Calgary (YYC) to London (LON). 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 23, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$740
(Porter Airlines)

One-way from

$314
(Kiwi.com)

Popular in

July

Cheapest in

January

Average price

$972

Good round-trip deal

$900 or less

Good one-way deal

$361 or less
Provider with most accurate pricing for Calgary-London (LON) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Calgary-London (LON) flights.
Search Deals
From Calgary to London (LON)
Search Deals
One-way flight from Calgary to London (LON)
Search Deals
Highest demand for flights based on searches. 21% potential increase in price ($212 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($26 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2026
Search Deals
Price to beat on a round-trip flight from Calgary to London (LON).
Search Deals
Price to beat on a one-way flight from Calgary to London (LON).
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Calgary to London 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 23, 2026.
Use the filters below to find and compare flights from Calgary to London that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

Wed 9/30

6:45 am-9:05 am

1 stop19h 20m

London Heathrow

Tue 10/13

3:15 pm-12:30 pm

1 stop28h 15m

$761

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

Mon 10/26

1:35 pm-9:20 pm

3 stops25h 45m

London Heathrow

Mon 11/9

4:20 pm-11:35 am

2 stops26h 15m

$813

CalgaryLondon

YYC - LGW

YYCLGW

Calgary

Sun 11/1

5:05 pm-5:50 pm

2 stops17h 45m

London Gatwick

Sat 11/21

6:40 pm-3:20 pm

2 stops27h 40m

$817

CalgaryLondon

YYC - LGW

YYCLGW

Calgary

Mon 8/31

7:05 am-10:45 am

1 stop20h 40m

London Gatwick

Wed 9/2

11:35 am-10:33 pm

1 stop17h 58m

$821

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

Wed 9/30

6:45 am-11:55 am

2 stops22h 10m

London Heathrow

Tue 10/13

8:55 am-9:42 pm

1 stop19h 47m

$866

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

Fri 10/2

1:56 pm-7:15 am

2 stops34h 19m

London Heathrow

Thu 10/8

4:40 pm-5:30 pm

2 stops31h 50m

$873

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

Fri 10/16

6:45 am-5:55 am

1 stop16h 10m

London Heathrow

Thu 10/29

4:20 pm-1:56 pm

2 stops27h 36m

$874
Quickest round-trip

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

Tue 9/15

7:55 pm-11:50 am

Nonstop8h 55m

London Heathrow

Tue 10/6

10:15 am-12:50 pm

Nonstop9h 35m

$884

CalgaryLondon

YYC - LGW

YYCLGW

Calgary

Tue 8/18

12:00 pm-7:55 am

1 stop12h 55m

London Gatwick

Wed 8/26

12:40 pm-3:43 pm

1 stop34h 03m

$901

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

Thu 9/10

6:45 am-7:10 pm

2 stops29h 25m

London Heathrow

Sun 10/4

9:45 am-11:29 pm

1 stop20h 44m

$902

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/19

Showing 1-10 of 42 resultsSorted by cheapest first
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Compare providers for flights from Calgary to London

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 London in June.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy2 starsTrust Score*1 star
Kiwi.comPrice Accuracy3 starsTrust Score*3 stars
MytripPrice Accuracy2 starsTrust Score*3 stars
eDreamsPrice Accuracy2 starsTrust Score*3 stars
SmartFaresPrice Accuracy1 starTrust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Calgary-London flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Calgary-London flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Calgary-London flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Calgary-London 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 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 London

Have a flexible travel schedule? Discover the best time to fly to London from Calgary with our price prediction graph.
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

What is the cheapest month to book a flight from Calgary to London?

Currently, April is the cheapest month in which you can book a flight from Calgary to London (average of $230). Flying from Calgary to London in February is currently the most expensive (average of $1,987). 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 LON?

Find hourly flight availability from Calgary to London. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 23, 2026.

When flying from Calgary to London, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from Calgary to London

Explore weekly flight availability from Calgary to London. 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 June 23, 2026.

The most flights from YYC to LON are scheduled on a Monday (20 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (11 on average).

How much does it cost to fly round-trip from Calgary to London?

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 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 15% of flights being delayed.

How far ahead should I book a flight from Calgary to London?

To ensure you get the cheapest price possible for a flight from Calgary to London, you should look to book at least 82 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.

The best insider tips for Calgary to London 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 trip
Our travel experts
Jenna Scatena

Jenna Scatena

Expert on YYC

Journalist and Travel Writer, Jenna Scatena is an award-winning travel writer with a love for sharing stories and exploring new places, especially by Vespa. Though she's from San Francisco, she has spent a significant chunk of her vacation days over the last decade eating her way through Texas and sleeping in hotels around the world—especially in California, the Middle East, and Europe.

Read more
Ramsey Qubein

Ramsey Qubein

Expert on LHR

An avid traveler and aviation expert who has visited 173 countries, all 50 states and seven continents, Ramsey Qubein flies nearly 400,000 miles a year. As a North Carolina-based freelance journalist for publications including Conde Nast Traveler, Forbes, USA Today and Bloomberg among others, he explores the latest trends in aviation, hospitality, cruises and business.

Read more

Reviews of airlines servicing London

Get insights into the airlines that provide service to London. 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 London. Reviews last updated June 23, 2026.
See what other customers who have flown with Air Transat,WestJet, andAir Canada from Calgary to London have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Air Transat
7.8
Good
558 reviews

Crew

8.5

Food

6.8

Boarding

8.0

Overall

7.8

Comfort

7.3

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Dec 2025

YOW - GCM

The flight was delayed for 3.5 hours. No compensation for a meal voucher. We were positioned at the back of the plane and the toilets were not working properly. It was a foul smell coming from the toilet.
Air Transat
7.8
Good
558 reviews
Air Transat
7.8
Good
558 reviews

Crew

8.5

Food

6.8

Boarding

8.0

Overall

7.8

Comfort

7.3

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Dec 2025

YOW - GCM

The flight was delayed for 3.5 hours. No compensation for a meal voucher. We were positioned at the back of the plane and the toilets were not working properly. It was a foul smell coming from the toilet.
WestJet
7.2
Good
3,384 reviews
Air Transat
7.8
Good
558 reviews

Crew

8.5

Food

6.8

Boarding

8.0

Overall

7.8

Comfort

7.3

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Dec 2025

YOW - GCM

The flight was delayed for 3.5 hours. No compensation for a meal voucher. We were positioned at the back of the plane and the toilets were not working properly. It was a foul smell coming from the toilet.
Air Canada
7.1
Good
11,251 reviews
Air Transat
7.8
Good
558 reviews

Crew

8.5

Food

6.8

Boarding

8.0

Overall

7.8

Comfort

7.3

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Dec 2025

YOW - GCM

The flight was delayed for 3.5 hours. No compensation for a meal voucher. We were positioned at the back of the plane and the toilets were not working properly. It was a foul smell coming from the toilet.
Lufthansa
6.8
Okay
8,092 reviews
Air Transat
7.8
Good
558 reviews

Crew

8.5

Food

6.8

Boarding

8.0

Overall

7.8

Comfort

7.3

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Dec 2025

YOW - GCM

The flight was delayed for 3.5 hours. No compensation for a meal voucher. We were positioned at the back of the plane and the toilets were not working properly. It was a foul smell coming from the toilet.

Related info for your journey

Find useful and relevant information for your journey from Calgary to London. 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?

    Calgary (YYC) is the airport you will fly out of if you book a flight from Calgary to London. You should not have trouble finding flights to London from Calgary; the airport handles an average of 13 outbound flights to London per day. You should also have plenty of airline options to choose from since 3 airlines have flights from the Calgary airport to London. It is only a 5.8 mi journey to Calgary (YYC) from Calgary’s city center.

  • How long is the flight from Calgary to London?

    For as low as $744, Porter Airlines can have you in London from Calgary in 17h 20m. Calgary and London are separated by a distance of 4355 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines flying from Calgary to London round-trip?

    According to our current data, Air Canada ($415), WestJet ($517), and Lufthansa ($538) offers the cheapest pricing from Calgary to London. Air Canada is 45% 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?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Calgary to London on time: Croatia Airlines (88%), Air Canada (82%), Austrian Airlines (82%).

  • What are the cheapest flights from Calgary to London?

    Looking for the cheapest flight from Calgary to London? While on average our users pay $774, our data indicates the cheapest price to be $309. The most popular route (Calgary - London Heathrow), is priced around $737.

  • Can I find deals for flights from Calgary to London that include hotel bookings?

    Yes. In addition to deals on Calgary to London flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Calgary to London?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Calgary to London.

  • Can I find deals for business class flights from Calgary to London?

    Yes. Cheapflights offers flight deals from Calgary to London 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?

    Currently, April is the cheapest month in which you can book a flight from Calgary to London (average of $230). Flying from Calgary to London in February is currently the most expensive (average of $1,987). 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.

See more FAQs

Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
Ilford
Dorking
Hounslow
Winchester
Croydon
Gatwick
Southend-on-Sea
Wembley
Harrow
Eastleigh
Dartford
Dover
Orpington
Watford
Chipping Norton
Hayes
Kingston upon Thames
Eastbourne
Slough
Stansted

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Alternative routes for Calgary to London

See prices for flight routes from nearby airports that may be better suited for you.
Calgary to Heathrow flights
Edmonton to Heathrow flights
Calgary to Gatwick flights
Calgary to Edinburgh flights

Top 3 airlines flying from Calgary to London

Discover the top 3 airlines that operate flights from Calgary to London. 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 23, 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$415Average$925FlexibilityNo cancel feeOn-time67%
WestJetCheapest$517Average$972FlexibilityNo cancel feeOn-time60%
LufthansaCheapest$538Average$974FlexibilityNo cancel feeOn-time76%

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