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Cheap flights from Calgary to London from C$ 258

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 27/12. Fares are subject to change and may not be available on all flights or dates of travel.
YYC — LON
11 oct. — 18 oct.1
1 adult
1 adult, Economy

Cheapflights Tip: The best prices from Calgary to London are usually found in January or February, booked 69 days in advance, depart on a Thursday or Sunday and return on a Tuesday

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 11 septiembre 2025.

Round-trip from

C$ 737

One-way from

C$ 265

Popular in

July

Cheapest in

January

Average price

C$ 1,092

Good round-trip deal

C$ 744 or less

Good one-way deal

C$ 320 or less
Air Canada
  • Air Canada
  • 26/10-2/11
  • Nonstop
  • 17h 45m total
  • Calgary to London
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WestJet
  • WestJet
  • 12/2
  • Nonstop
  • 8h 40m total
  • Calgary to London
Search Deals
Highest demand for flights based on searches. 18% potential increase in price (C$ 315 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 September 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 11 septiembre 2025.

dom. 26/107:25 p.m.YYC - LHR
Nonstop8h 45mAir Canada
dom. 2/113:00 p.m.LHR - YYC
Nonstop9h 00mAir Canada
Deal found 11/9C$ 737
jue. 23/101:25 p.m.YYC - LHR
1 stop16h 55mMultiple Airlines
mar. 4/113:00 p.m.LHR - YYC
Nonstop9h 00mMultiple Airlines
Deal found 9/9C$ 739
lun. 15/911:20 p.m.YYC - LGW
2 stops30h 00mMultiple Airlines
mar. 23/98:50 a.m.LGW - YYC
1 stop12h 20mMultiple Airlines
Deal found 9/9C$ 740
mié. 5/116:15 p.m.YYC - LHR
1 stop34h 05mAir Canada
vie. 5/129:00 a.m.LHR - YYC
2 stops18h 39mAir Canada
Deal found 9/9C$ 743
mar. 16/97:55 p.m.YYC - LGW
1 stop14h 05mMultiple Airlines
mar. 23/98:50 a.m.LGW - YYC
1 stop12h 20mMultiple Airlines
Deal found 10/9C$ 744
lun. 1/124:30 p.m.YYC - LHR
1 stop12h 20mMultiple Airlines
mié. 7/18:30 a.m.LHR - YYC
1 stop13h 55mMultiple Airlines
Deal found 10/9C$ 747
dom. 26/107:25 p.m.YYC - LHR
Nonstop8h 45mLufthansa
dom. 2/113:00 p.m.LHR - YYC
Nonstop9h 00mLufthansa
Deal found 11/9C$ 748
mar. 25/114:30 p.m.YYC - LHR
1 stop12h 20mAir Canada
dom. 30/113:00 p.m.LHR - YYC
Nonstop9h 00mAir Canada
Deal found 10/9C$ 750
mar. 16/97:55 p.m.YYC - STN
1 stop11h 25mMultiple Airlines
mar. 23/98:15 a.m.STN - YYC
1 stop12h 55mMultiple Airlines
Deal found 10/9C$ 752
mar. 11/1112:35 p.m.YYC - LHR
2 stops15h 45mMultiple Airlines
mar. 2/126:50 a.m.LHR - YYC
2 stops16h 14mMultiple Airlines
Deal found 11/9C$ 752
vie. 28/117:30 p.m.YYC - LGW
1 stop16h 55mMultiple Airlines
vie. 5/122:50 p.m.LGW - YYC
1 stop32h 10mMultiple Airlines
Deal found 9/9C$ 754
lun. 6/108:35 p.m.YYC - LHR
Nonstop8h 30mMultiple Airlines
lun. 20/107:35 p.m.LHR - YYC
2 stops30h 47mMultiple Airlines
Deal found 11/9C$ 754

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 11 septiembre 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

dom. 26/10

7:25 p.m.-10:10 a.m.

Nonstop8h 45m

London Heathrow

dom. 2/11

3:00 p.m.-5:00 p.m.

Nonstop9h 00m

C$ 748

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

jue. 23/10

8:10 p.m.-11:50 a.m.

Nonstop8h 40m

London Heathrow

mar. 4/11

3:00 p.m.-5:00 p.m.

Nonstop9h 00m

C$ 750

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

dom. 11/1

12:45 p.m.-7:10 a.m.

1 stop11h 25m

London Heathrow

lun. 19/1

3:00 p.m.-5:00 p.m.

Nonstop9h 00m

C$ 750

CalgaryLondon

YYC - STN

YYCSTN

Calgary

dom. 28/9

7:15 p.m.-4:55 p.m.

2 stops14h 40m

London Stansted

dom. 12/10

8:15 a.m.-2:10 p.m.

1 stop12h 55m

C$ 751

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

mié. 5/11

8:25 a.m.-9:20 p.m.

1 stop29h 55m

London Heathrow

vie. 5/12

9:00 a.m.-8:39 p.m.

2 stops18h 39m

C$ 770

CalgaryLondon

YYC - LGW

YYCLGW

Calgary

vie. 3/10

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

1 stop27h 50m

London Gatwick

sáb. 11/10

12:40 p.m.-9:32 p.m.

1 stop15h 52m

C$ 802

CalgaryLondon

YYC - LGW

YYCLGW

Calgary

mar. 7/10

7:00 a.m.-10:45 a.m.

1 stop20h 45m

London Gatwick

sáb. 11/10

12:40 p.m.-9:32 p.m.

1 stop15h 52m

C$ 802

CalgaryLondon

YYC - LGW

YYCLGW

Calgary

dom. 5/10

7:00 a.m.-10:45 a.m.

1 stop20h 45m

London Gatwick

sáb. 11/10

12:40 p.m.-9:32 p.m.

1 stop15h 52m

C$ 802

CalgaryLondon

YYC - SEN

YYCSEN

Calgary

sáb. 27/12

7:30 p.m.-8:50 p.m.

1 stop18h 20m

London Southend

mié. 31/12

7:10 a.m.-4:00 p.m.

1 stop15h 50m

C$ 802

CalgaryLondon

YYC - LGW

YYCLGW

Calgary

dom. 19/10

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

1 stop27h 50m

London Gatwick

lun. 3/11

11:40 a.m.-11:42 a.m.

1 stop31h 02m

C$ 805

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

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 29 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 69 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 11 septiembre 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 11 septiembre 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).

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.

St. John's (YYT) is the most affordable 1-stop option, with an average round-trip price of C$ 812.

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 14m.

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 40m.

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 11 septiembre 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
7.9
Good
363 reviews
Check prices

Crew

8.6

Boarding

8.1

Entertainment

7.0

Overall

7.9

Food

7.6

Comfort

7.9

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
Porter Airlines
7.9
Good
363 reviews
Porter Airlines
7.9
Good
363 reviews
Check prices

Crew

8.6

Boarding

8.1

Entertainment

7.0

Overall

7.9

Food

7.6

Comfort

7.9

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
Air Transat
7.7
Good
438 reviews
Porter Airlines
7.9
Good
363 reviews
Check prices

Crew

8.6

Boarding

8.1

Entertainment

7.0

Overall

7.9

Food

7.6

Comfort

7.9

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
WestJet
7.2
Good
3,091 reviews
Porter Airlines
7.9
Good
363 reviews
Check prices

Crew

8.6

Boarding

8.1

Entertainment

7.0

Overall

7.9

Food

7.6

Comfort

7.9

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
Air Canada
7.1
Good
10,000 reviews
Porter Airlines
7.9
Good
363 reviews
Check prices

Crew

8.6

Boarding

8.1

Entertainment

7.0

Overall

7.9

Food

7.6

Comfort

7.9

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
Lufthansa
6.8
Okay
7,409 reviews
Porter Airlines
7.9
Good
363 reviews
Check prices

Crew

8.6

Boarding

8.1

Entertainment

7.0

Overall

7.9

Food

7.6

Comfort

7.9

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.

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 10 outbound flights to London per day from 8 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 Lufthansa, Air Transat, and Porter Airlines fly from Calgary to London in about 8h 45m. The time it takes to get you to your destination can typically vary by up to 19h 05m. Airlines will cover a distance of 7009 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 Virgin Atlantic and Lufthansa. 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 (88%), Air Canada (77%), Aegean Airlines( 77%).

  • What are the cheapest flights from Calgary to London?

    On average you can expect to pay C$ 1,688 for a flight from Calgary to London. The cheapest flight overall is C$ 207 while the most popular route, (Calgary - London Heathrow) is currently priced at C$ 661.

  • 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
Bedford
Luton
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 11 septiembre 2025.
WestJet flights from Calgary to London
Air Canada flights from Calgary to London
Air Transat flights from Calgary to London

Top 8 airlines flying from Calgary to London

Discover the top 8 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 11 septiembre 2025.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 633AverageC$ 1,014FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Virgin AtlanticCheapestC$ 709AverageC$ 853FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
LufthansaCheapestC$ 769AverageC$ 1,213FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Air CanadaCheapestC$ 775AverageC$ 1,198FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
KLMCheapestC$ 782AverageC$ 963FlexibilityNo cancel feeOn-time75%
Search KLM flights
Air TransatCheapestC$ 797AverageC$ 1,108FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
Porter AirlinesCheapestC$ 835AverageC$ 1,006FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
British AirwaysCheapestC$ 981AverageC$ 1,248FlexibilityNo 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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