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Cheap flights from Calgary to London

YYC — LON
9 Aug — 16 Aug1
1 adult

Cheapflights Tip: The best prices from Calgary to London are usually found in January or February, booked 28 days in advance, depart on a Thursday or Sunday and return on a Wednesday

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 4 August 2025.

Round-trip from

C$ 890

One-way from

C$ 404

Popular in

July

Cheapest in

January

Average price

C$ 1,247

Good round-trip deal

C$ 919 or less

Good one-way deal

C$ 461 or less
3/9-10/9
  • 3/9-10/9
  • 3 total stops
  • 33h 55m total
  • Calgary to London
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28/9
  • 28/9
  • 1 total stop
  • 20h 35m total
  • Calgary to London
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Highest demand for flights based on searches. 18% potential increase in price (C$ 317 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease (C$ 39 potential savings vs. average RT price).
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Average for round-trip flights in August 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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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 1 August 2025.

The price you pay for your flight from Calgary to London may vary depending on when you book. For the best chance of a lower fare, look to book 28 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, January is the cheapest month in which you can book a flight from Calgary to London (average of C$ 560). Flying from Calgary to London in July is currently the most expensive (average of C$ 857). 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 4 August 2025.

It’s typically best to fly out from Calgary to London in the morning. Doing so could potentially save you 43% on the flight price compared to flying in the afternoon, which is usually more expensive.

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 16 December 2024.

Travelers seeking maximum savings on their Calgary to London flight should consider departing on Tuesday 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 4 August 2025.

The most flights from YYC to LON are scheduled on a Tuesday (12 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (11 on average).

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

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

Toronto (YYZ) – chosen by Cheapflights users on 53% of one-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.

Paris (CDG) is the most affordable 1-stop option, with an average round-trip price of C$ 859.

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 Amsterdam (AMS) have the shortest average one-way travel time for 1-stop routes: 11h 23m.

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 Denver (DEN) offer the fastest connection on this route, with an average layover time of 1h 12m.

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 4 August 2025.
Read reviews from past customers who have flown Porter Airlines,Delta, andKLM from Calgary to London. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Porter Airlines
8.0
Very good
321 reviews
Check prices

Boarding

8.2

Comfort

8.0

Food

7.6

Crew

8.7

Entertainment

7.0

Overall

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
321 reviews
Porter Airlines
8.0
Very good
321 reviews
Check prices

Boarding

8.2

Comfort

8.0

Food

7.6

Crew

8.7

Entertainment

7.0

Overall

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
7,987 reviews
Porter Airlines
8.0
Very good
321 reviews
Check prices

Boarding

8.2

Comfort

8.0

Food

7.6

Crew

8.7

Entertainment

7.0

Overall

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
KLM
7.8
Good
1,381 reviews
Porter Airlines
8.0
Very good
321 reviews
Check prices

Boarding

8.2

Comfort

8.0

Food

7.6

Crew

8.7

Entertainment

7.0

Overall

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
425 reviews
Porter Airlines
8.0
Very good
321 reviews
Check prices

Boarding

8.2

Comfort

8.0

Food

7.6

Crew

8.7

Entertainment

7.0

Overall

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
321 reviews
Check prices

Boarding

8.2

Comfort

8.0

Food

7.6

Crew

8.7

Entertainment

7.0

Overall

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?

    Most people fly from Calgary (YYC) if they book a flight from Calgary to London. On average, Calgary has 11 outbound flights to London per day from 9 airlines. Calgary is conveniently located just 9.3 km from Calgary’s city centre.

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

    SWISS, at C$ 919, was found to be the cheapest airline from Calgary to London. An alternate airline flying to your destination would be Air Transat. SWISS is currently priced 10% below the average price you’ll pay for this route.

  • What are the most popular routes from Calgary to London?

    The most popular route from Calgary to London is Calgary - London Heathrow. You may also consider Calgary - London Gatwick or Calgary - London City.

  • What are the most reliable airlines from Calgary to London?

    Before booking your flight to London from Calgary, check out the most reliable airlines to get you to your destination on time: Croatia Airlines (88%), Air Canada (85%), Aegean Airlines( 85%).

  • What are the cheapest flights from Calgary to London?

    On average you can expect to pay C$ 3,094 for a flight from Calgary to London. The cheapest flight overall is C$ 223 while the most popular route, (Calgary - London Heathrow) is currently priced at C$ 649.

  • 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, January is the cheapest month in which you can book a flight from Calgary to London (average of C$ 560). Flying from Calgary to London in July is currently the most expensive (average of C$ 857). 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

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Brentford
Sutton
Hounslow
Slough
Marlow
Milton Keynes
Romford
Watford
Bromley
Luton
Bedford
Southall

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Fly from Calgary to London on these airlines

Choose from the following airlines for your flight from Calgary to London. Flights are based on user searches made on Cheapflights and were last updated on 4 August 2025.
WestJet flights from Calgary to London
Air Canada flights from Calgary to London
Air Transat flights from Calgary to London

Top 9 airlines flying from Calgary to London

Discover the top 9 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 629,999 searches. Data last updated 4 August 2025.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 633AverageC$ 1,045FlexibilityNo cancel feeOn-time60%
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KLMCheapestC$ 699AverageC$ 1,046FlexibilityNo cancel feeOn-time75%
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Virgin AtlanticCheapestC$ 705AverageC$ 853FlexibilityNo cancel feeOn-time72%
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Air CanadaCheapestC$ 771AverageC$ 1,176FlexibilityNo cancel feeOn-time67%
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LufthansaCheapestC$ 774AverageC$ 1,209FlexibilityNo cancel feeOn-time76%
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Air TransatCheapestC$ 792AverageC$ 1,096FlexibilityNo cancel feeOn-time50%
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DeltaCheapestC$ 804AverageC$ 1,264FlexibilityNo cancel feeOn-timeN/A
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Porter AirlinesCheapestC$ 830AverageC$ 960FlexibilityNo cancel feeOn-time52%
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British AirwaysCheapestC$ 975AverageC$ 1,246FlexibilityNo cancel feeOn-time70%
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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Calgary to London?

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Why should you use Cheapflights to find cheap flight tickets from Calgary to London?

Cheapflights helps you find that perfect flight to London from Calgary by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Calgary to London with no change fees?

Certainly. Search results for flights to London from Calgary shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Calgary to London become cheaper?

Not ready to book yet? You can track prices for flights from Calgary to London on Cheapflights with our Price Alert feature and get notified when better prices are available.

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