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Cheap flights from Calgary to London from C$ 334

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 10/11. Fares are subject to change and may not be available on all flights or dates of travel.
YYC — LON
23 Aug — 30 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 Sunday or Thursday 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 18 August 2025.

Round-trip from

C$ 819

One-way from

C$ 334

Popular in

July

Cheapest in

January

Average price

C$ 1,221

Good round-trip deal

C$ 816 or less

Good one-way deal

C$ 223 or less
United Airlines
  • United Airlines
  • 7/11-15/11
  • 4 total stops
  • 62h 28m total
  • Calgary to London
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10/11
  • 10/11
  • 1 total stop
  • 31h 30m total
  • Calgary to London
Search Deals
Highest demand for flights based on searches. 17% potential increase in price (C$ 309 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 39 potential savings vs. average RT price).
Search Deals
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).
Search Deals
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 18 August 2025.

Fri 7/1112:37 p.m.YYC - LHR
2 stops35h 03mUnited Airlines
Sun 16/1111:35 a.m.LHR - YYC
1 stop17h 18mUnited Airlines
Deal found 18/8C$ 819
Thu 6/117:30 p.m.YYC - LTN
1 stop12h 15mMultiple Airlines
Tue 11/116:35 p.m.LTN - YYC
1 stop28h 25mMultiple Airlines
Deal found 18/8C$ 828
Thu 6/117:30 p.m.YYC - LGW
1 stop14h 10mMultiple Airlines
Tue 11/118:15 p.m.LGW - YYC
2 stops26h 45mMultiple Airlines
Deal found 18/8C$ 833
Sun 19/1012:35 p.m.YYC - LGW
1 stop15h 10mAir Transat
Thu 13/1111:40 a.m.LGW - YYC
1 stop18h 42mAir Transat
Deal found 16/8C$ 837
Sun 12/106:00 p.m.YYC - LHR
1 stop12h 20mAir Canada
Sat 25/1010:15 a.m.LHR - YYC
Nonstop8h 55mAir Canada
Deal found 18/8C$ 837
Mon 20/1011:55 p.m.YYC - LGW
1 stop27h 50mAir Transat
Wed 5/1111:40 a.m.LGW - YYC
1 stop18h 42mAir Transat
Deal found 16/8C$ 839
Wed 17/98:00 a.m.YYC - LGW
1 stop18h 50mAir Transat
Wed 24/99:40 a.m.LGW - YYC
1 stop18h 49mAir Transat
Deal found 17/8C$ 840
Mon 20/108:35 p.m.YYC - LHR
Nonstop8h 30mWestJet
Sat 15/112:50 p.m.LHR - YYC
Nonstop9h 05mWestJet
Deal found 16/8C$ 841
Mon 20/108:10 p.m.YYC - LHR
Nonstop8h 40mMultiple Airlines
Fri 14/116:00 a.m.LHR - YYC
2 stops21h 29mMultiple Airlines
Deal found 16/8C$ 843
Mon 20/106:15 p.m.YYC - LTN
1 stop32h 00mMultiple Airlines
Thu 13/116:35 p.m.LTN - YYC
1 stop28h 25mMultiple Airlines
Deal found 16/8C$ 843
Tue 21/108:10 p.m.YYC - LHR
Nonstop8h 40mMultiple Airlines
Thu 13/116:50 a.m.LHR - YYC
2 stops16h 14mMultiple Airlines
Deal found 16/8C$ 844
Tue 30/91:10 a.m.YYC - LHR
1 stop25h 25mMultiple Airlines
Fri 31/106:50 a.m.LHR - YYC
2 stops22h 54mMultiple Airlines
Deal found 15/8C$ 846

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 629,999 searches. Data last updated 18 August 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

Fri 7/11

3:30 p.m.-8:35 p.m.

3 stops22h 05m

London Heathrow

Sun 16/11

12:05 p.m.-11:35 a.m.

2 stops30h 30m

C$ 819

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

Sat 8/11

2:13 p.m.-9:40 a.m.

1 stop12h 27m

London Heathrow

Sun 16/11

4:00 p.m.-11:35 a.m.

2 stops26h 35m

C$ 819

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

Fri 7/11

12:37 p.m.-6:40 a.m.

2 stops35h 03m

London Heathrow

Sat 15/11

3:10 p.m.-11:35 a.m.

2 stops27h 25m

C$ 819

CalgaryLondon

YYC - LTN

YYCLTN

Calgary

Thu 6/11

7:30 p.m.-2:45 p.m.

1 stop12h 15m

London Luton

Tue 11/11

6:35 p.m.-4:00 p.m.

1 stop28h 25m

C$ 828

CalgaryLondon

YYC - LGW

YYCLGW

Calgary

Mon 1/12

7:00 a.m.-9:45 a.m.

1 stop19h 45m

London Gatwick

Sun 25/1

11:40 a.m.-11:22 p.m.

1 stop18h 42m

C$ 837

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

Tue 21/10

7:00 a.m.-8:35 a.m.

1 stop18h 35m

London Heathrow

Sat 15/11

2:30 p.m.-8:09 p.m.

1 stop12h 39m

C$ 837

CalgaryLondon

YYC - LGW

YYCLGW

Calgary

Sun 19/10

12:35 p.m.-10:45 a.m.

1 stop15h 10m

London Gatwick

Thu 13/11

11:40 a.m.-11:22 p.m.

1 stop18h 42m

C$ 837

CalgaryLondon

YYC - LGW

YYCLGW

Calgary

Tue 11/11

7:30 p.m.-7:40 p.m.

1 stop17h 10m

London Gatwick

Fri 21/11

7:00 a.m.-4:00 p.m.

1 stop16h 00m

C$ 837

CalgaryLondon

YYC - LGW

YYCLGW

Calgary

Mon 20/10

11:55 p.m.-10:45 a.m.

1 stop27h 50m

London Gatwick

Thu 13/11

11:40 a.m.-11:22 p.m.

1 stop18h 42m

C$ 837

CalgaryLondon

YYC - LGW

YYCLGW

Calgary

Fri 7/11

7:30 p.m.-2:50 p.m.

1 stop12h 20m

London Gatwick

Fri 21/11

7:00 a.m.-4:00 p.m.

1 stop16h 00m

C$ 837

Flights are sorted by cheapest round-trip flights first.

Deals found on 17/8

Showing 1-10 of 60 results
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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 8 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$ 856). 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 18 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 18 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).

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

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$ 862.

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 15m.

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 Amsterdam (AMS) offer the fastest connection on this route, with an average layover time of 1h 42m.

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 18 August 2025.
Read reviews from past customers who have flown Porter Airlines,Air Transat, andWestJet 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
334 reviews
Check prices

Overall

8.0

Comfort

8.0

Food

7.6

Entertainment

7.0

Crew

8.7

Boarding

8.2

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
334 reviews
Porter Airlines
8.0
Very good
334 reviews
Check prices

Overall

8.0

Comfort

8.0

Food

7.6

Entertainment

7.0

Crew

8.7

Boarding

8.2

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
429 reviews
Porter Airlines
8.0
Very good
334 reviews
Check prices

Overall

8.0

Comfort

8.0

Food

7.6

Entertainment

7.0

Crew

8.7

Boarding

8.2

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
WestJet
7.2
Good
3,023 reviews
Porter Airlines
8.0
Very good
334 reviews
Check prices

Overall

8.0

Comfort

8.0

Food

7.6

Entertainment

7.0

Crew

8.7

Boarding

8.2

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 Canada
7.1
Good
9,992 reviews
Porter Airlines
8.0
Very good
334 reviews
Check prices

Overall

8.0

Comfort

8.0

Food

7.6

Entertainment

7.0

Crew

8.7

Boarding

8.2

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
Lufthansa
6.8
Okay
7,330 reviews
Porter Airlines
8.0
Very good
334 reviews
Check prices

Overall

8.0

Comfort

8.0

Food

7.6

Entertainment

7.0

Crew

8.7

Boarding

8.2

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.

  • How long is the flight from Calgary to London?

    Airlines like United Airlines and Air Transat fly from Calgary to London in about 19h 45m. The time it takes to get you to your destination can typically vary by up to 2h 20m. Airlines will cover a distance of 7049 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

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

    WestJet, at C$ 633, was found to be the cheapest airline from Calgary to London.Alternate airlines to your destination round-trip include KLM and Virgin Atlantic. WestJet is currently priced 38% 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 (94%), Air Canada (87%), Aegean Airlines( 87%).

  • What are the cheapest flights from Calgary to London?

    On average you can expect to pay C$ 1,308 for a flight from Calgary to London. The cheapest flight overall is C$ 206 while the most popular route, (Calgary - London Heathrow) is currently priced at C$ 663.

  • 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$ 856). 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 18 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 18 August 2025.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 633AverageC$ 1,050FlexibilityNo cancel feeOn-time60%
Search WestJet flights
KLMCheapestC$ 701AverageC$ 960FlexibilityNo cancel feeOn-time75%
Search KLM flights
Virgin AtlanticCheapestC$ 707AverageC$ 851FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
LufthansaCheapestC$ 771AverageC$ 1,211FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Air CanadaCheapestC$ 772AverageC$ 1,217FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Air TransatCheapestC$ 794AverageC$ 1,103FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
DeltaCheapestC$ 806AverageC$ 1,268FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Porter AirlinesCheapestC$ 833AverageC$ 1,003FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
British AirwaysCheapestC$ 978AverageC$ 1,227FlexibilityNo cancel feeOn-time70%
Search British Airways flights

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?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to London from Calgary today with Cheapflights!

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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