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$297+ 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 10/23. Fares are subject to change and may not be available on all flights or dates of travel.
YYC — LON
Aug 5 — Aug 121
Tue 8/5
Tue 8/12
1 adult, Economy
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Cheapflights Tip: The best prices from Calgary to London are usually found in January or February, booked 28 days in advance, depart on a Wednesday or Tuesday and return on a Sunday

Cheap 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 July 31, 2025.

Round-trip from

$667
(SmartFares)

One-way from

$297
(WestJet)

Popular in

July

Cheapest in

January

Average price

$965

Good round-trip deal

$701 or less

Good one-way deal

$487 or less
From Calgary to London (LON)
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One-way flight from Calgary to London (LON)
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Highest demand for flights based on searches. 18% potential increase in price ($166 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($21 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Price to beat on a round-trip flight from Calgary to London (LON).
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Price to beat on a one-way flight from Calgary to London (LON).
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Find 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 July 31, 2025.

This SmartFares deal was found by Cheapflights users on 7/31. 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.
Tue 9/308:35 pmYYC - LHR
Nonstop8h 30mWestJet
Tue 10/282:50 pmLHR - YYC
Nonstop9h 05mWestJet
Deal found 7/31$667
This Austrian Airlines deal was found by Cheapflights users on 7/31. 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 Austrian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/53:25 pmYYC - LHR
2 stops32h 45mAustrian Airlines
Fri 12/56:00 pmLHR - YYC
2 stops29h 04mAustrian Airlines
Deal found 7/31$668
This United Airlines deal was found by Cheapflights users on 7/31. 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 9/3012:38 pmYYC - LHR
1 stop34h 42mUnited Airlines
Tue 10/288:00 amLHR - YYC
1 stop17h 22mUnited Airlines
Deal found 7/31$669
This Porter Airlines deal was found by Cheapflights users on 7/31. 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.
Wed 10/17:00 amYYC - LGW
1 stop20h 45mPorter Airlines
Tue 10/1411:35 amLGW - YYC
1 stop17h 55mPorter Airlines
Deal found 7/31$671
This Delta deal was found by Cheapflights users on 7/31. 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.
Sat 10/412:29 pmYYC - LHR
1 stop14h 21mDelta
Thu 10/166:30 amLHR - YYC
2 stops21h 17mDelta
Deal found 7/31$673
This British Airways deal was found by Cheapflights users on 7/30. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/186:29 amYYC - LHR
1 stop19h 36mBritish Airways
Thu 9/256:20 amLHR - YYC
2 stops23h 59mBritish Airways
Deal found 7/30$683
This Lufthansa deal was found by Cheapflights users on 7/31. 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.
Wed 10/18:10 pmYYC - LHR
Nonstop8h 40mLufthansa
Mon 10/206:55 amLHR - YYC
1 stop15h 30mLufthansa
Deal found 7/31$684
This Connections by easyJet deal was found by Cheapflights users on 7/31. 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 Connections by easyJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/57:30 pmYYC - LGW
1 stop13h 15mMultiple Airlines
Wed 10/156:05 pmLGW - YYC
1 stop27h 03mMultiple Airlines
Deal found 7/31$702
This Cheapflightsfares deal was found by Cheapflights users on 7/31. 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.
Wed 10/112:35 pmYYC - LGW
1 stop15h 10mAir Transat
Wed 10/2911:40 amLGW - YYC
1 stop17h 42mAir Transat
Deal found 7/31$704
This WestJet deal was found by Cheapflights users on 7/31. 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.
Sun 10/59:30 pmYYC - LGW
2 stops28h 55mWestJet
Mon 10/2010:45 amLGW - YYC
1 stop30h 13mWestJet
Deal found 7/31$712
This American Airlines deal was found by Cheapflights users on 7/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/136:45 amYYC - LGW
2 stops18h 50mAmerican Airlines
Sat 9/202:30 pmLGW - YYC
2 stops29h 01mAmerican Airlines
Deal found 7/30$717
This Delta deal was found by Cheapflights users on 7/31. 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.
Sat 8/306:40 amYYC - LGW
2 stops44h 20mDelta
Mon 9/812:00 pmLGW - YYC
2 stops39h 43mDelta
Deal found 7/31$743

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 July 31, 2025.
Use the filters below to find and compare flights from Calgary to London that are best for you.

Fly from

Calgary

Fly to

London

Route

Depart

Return

Price

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

Tue 9/30

8:35 pm-12:05 pm

Nonstop8h 30m

London Heathrow

Tue 10/28

2:50 pm-5:55 pm

Nonstop9h 05m

$667

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

Wed 11/5

3:25 pm-7:10 am

2 stops32h 45m

London Heathrow

Fri 12/5

6:00 pm-4:04 pm

2 stops29h 04m

$668

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

Tue 9/30

12:38 pm-6:20 am

1 stop34h 42m

London Heathrow

Tue 10/28

8:00 am-7:22 pm

1 stop17h 22m

$669

CalgaryLondon

YYC - LGW

YYCLGW

Calgary

Wed 10/1

7:00 am-10:45 am

1 stop20h 45m

London Gatwick

Tue 10/14

11:35 am-10:30 pm

1 stop17h 55m

$671

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

Sat 10/4

12:29 pm-9:50 am

1 stop14h 21m

London Heathrow

Thu 10/16

6:30 am-8:47 pm

2 stops21h 17m

$673

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

Thu 9/18

6:29 am-9:05 am

1 stop19h 36m

London Heathrow

Thu 9/25

6:20 am-11:19 pm

2 stops23h 59m

$683

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

Wed 10/1

8:10 pm-11:50 am

Nonstop8h 40m

London Heathrow

Mon 10/20

6:55 am-3:25 pm

1 stop15h 30m

$684

CalgaryLondon

YYC - LGW

YYCLGW

Calgary

Sun 10/5

7:30 pm-3:45 pm

1 stop13h 15m

London Gatwick

Wed 10/15

6:05 pm-2:08 pm

1 stop27h 03m

$702

CalgaryLondon

YYC - LGW

YYCLGW

Calgary

Wed 10/1

12:35 pm-10:45 am

1 stop15h 10m

London Gatwick

Wed 10/29

11:40 am-11:22 pm

1 stop17h 42m

$704

CalgaryLondon

YYC - LGW

YYCLGW

Calgary

Sun 10/5

9:30 pm-9:25 am

2 stops28h 55m

London Gatwick

Mon 10/20

10:45 am-9:58 am

1 stop30h 13m

$712

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/31

Showing 1-10 of 18 results
1
2

The best insider tips for Calgary to London flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your Calgary to London trip
Airports
YYC

For a quick snack, try Chachi’s Sandwich Bar before security for gourmet sandwiches with artisan bread and homemade pickles.

Read more about YYCby Jenna Scatena
LHR

Take the Heathrow Express for the fastest route to central London, arriving at Paddington Station for easy connections.

Read more about LHRby Ramsey Qubein
Our travel experts
Jenna Scatena

Jenna Scatena

Expert on YYC

Jenna Scatena

Jenna Scatena

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

Ramsey Qubein

Ramsey Qubein

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

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

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

Use this chart to determine the optimal time to book a round-trip flight from Calgary to London. Price data was last updated on July 25, 2025.

To ensure you get the cheapest price possible for a flight from Calgary to London, you should look to book at least 28 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?

Currently, November is the cheapest month in which you can book a flight from Calgary to London (average of $661). Flying from Calgary to London in June is currently the most expensive (average of $1,097). 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 July 31, 2025.

It’s optimal to fly from Calgary to London in the morning. By choosing this option you can save up to 43% on the cost of your flight, compared to a flight in the afternoon.

What is the cheapest day to fly from Calgary to London?

Use this chart to determine the cheapest time to fly round-trip from Calgary to London. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Calgary to London flight should consider departing on Sunday at noon when fares are most often at their lowest. Saturday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

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 July 31, 2025.

The most flights from YYC to LON are scheduled on a Monday (11 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (10 on average).

What’s the top layover airport for flights from Calgary to London?

Share of 1-stop round-trip flights from Calgary to London chosen by Cheapflights users in the past 12 months, using the same layover each way.

Chicago (ORD) – chosen by Cheapflights users on 33% of 1-stop itineraries from Calgary to London on Cheapflights.

What’s the cheapest layover airport for flights from Calgary to London?

Average round-trip fare for 1-stop flights from Calgary to London, chosen by Cheapflights users in the past 12 months, with the same layover each way.

Chicago (ORD) is the most affordable 1-stop option, with an average round-trip price of $911.

What’s the fastest layover option from Calgary to London?

Shortest average travel time for 1-stop one-way flights from Calgary to London, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.

Flights via Montreal (YUL) have the shortest average one-way travel time for 1-stop routes: 11h 40m.

Which airport typically offers the quickest layover for flights from Calgary to London?

Average layover duration for 1-stop one-way flights from Calgary to London, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Toronto (YYZ) offer the fastest connection on this route, with an average layover time of 2h 18m.

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 July 31, 2025.
See what other customers who have flown with Porter Airlines, Delta, and Air Transat 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.
Porter Airlines
8.0
Very good
318 reviews

Food

7.6

Overall

8.0

Crew

8.7

Boarding

8.2

Entertainment

7.0

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience
Porter Airlines
8.0
Very good
318 reviews
Porter Airlines
8.0
Very good
318 reviews

Food

7.6

Overall

8.0

Crew

8.7

Boarding

8.2

Entertainment

7.0

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience
Delta
8.0
Very good
7,981 reviews
Porter Airlines
8.0
Very good
318 reviews

Food

7.6

Overall

8.0

Crew

8.7

Boarding

8.2

Entertainment

7.0

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience
Air Transat
7.7
Good
424 reviews
Porter Airlines
8.0
Very good
318 reviews

Food

7.6

Overall

8.0

Crew

8.7

Boarding

8.2

Entertainment

7.0

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience
Austrian Airlines
7.6
Good
823 reviews
Porter Airlines
8.0
Very good
318 reviews

Food

7.6

Overall

8.0

Crew

8.7

Boarding

8.2

Entertainment

7.0

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience
SWISS
7.5
Good
1,686 reviews
Porter Airlines
8.0
Very good
318 reviews

Food

7.6

Overall

8.0

Crew

8.7

Boarding

8.2

Entertainment

7.0

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience

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 10 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.

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

    According to our current data, WestJet ($667), Austrian Airlines ($668), and United Airlines ($669) offers the cheapest pricing from Calgary to London. WestJet is 10% 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 (94%), Air Canada (87%), Aegean Airlines (87%).

  • What are the cheapest flights from Calgary to London?

    Looking for the cheapest flight from Calgary to London? While on average our users pay $1,203, our data indicates the cheapest price to be $435. The most popular route (Calgary - London Heathrow), is priced around $540.

  • 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, November is the cheapest month in which you can book a flight from Calgary to London (average of $661). Flying from Calgary to London in June is currently the most expensive (average of $1,097). 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
Hounslow
Hayes
Thornton Heath
Harrow
Canterbury
Dover
Orpington
Watford
Gatwick
Borehamwood
Dartford
Aylesbury
Chelmsford
Folkestone
Southend-on-Sea
Chichester
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Bishop's Stortford
Eastbourne

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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 July 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapest$450Average$802FlexibilityNo cancel feeOn-time60%
Air CanadaCheapest$569Average$803FlexibilityNo cancel feeOn-time67%
LufthansaCheapest$571Average$858FlexibilityNo cancel feeOn-time76%

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