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Cheap flights from Calgary to London from C$ 255

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 18/1. Fares are subject to change and may not be available on all flights or dates of travel.
YYC — LON
22 Jan — 29 Jan1
1 adult
1 adult, Economy, 0 bags

Cheapflights Tip: The best prices from Calgary to London are usually found in January or February, booked 16 days in advance, depart on a Sunday or Wednesday and return on a Wednesday

Cheap flight deals from Calgary to London

Enter your travel dates to find the best prices.

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 23 December 2025.

Tue 30/1211:40 p.m.YYC - LHR
1 stop23h 50mMultiple Airlines
Tue 13/18:05 p.m.LHR - YYC
2 stops31h 54mMultiple Airlines
Deal found 21/12C$ 1,115
Tue 30/127:50 p.m.YYC - LHR
2 stops30h 30mAir Canada
Tue 13/13:00 p.m.LHR - YYC
Nonstop9h 00mAir Canada
Deal found 22/12C$ 1,119
Thu 25/128:15 p.m.YYC - LHR
1 stop32h 35mMultiple Airlines
Tue 13/13:00 p.m.LHR - YYC
Nonstop9h 00mMultiple Airlines
Deal found 22/12C$ 1,145
Tue 23/126:30 a.m.YYC - LHR
1 stop19h 05mAmerican Airlines
Thu 9/48:50 a.m.LHR - YYC
2 stops19h 55mAmerican Airlines
Deal found 22/12C$ 1,194
Tue 23/126:15 p.m.YYC - LHR
2 stops29h 55mAir Canada
Thu 9/410:15 a.m.LHR - YYC
Nonstop9h 35mAir Canada
Deal found 22/12C$ 1,202
Tue 30/124:30 p.m.YYC - LGW
1 stop34h 15mAir Transat
Tue 13/111:40 a.m.LGW - YYC
1 stop31h 02mAir Transat
Deal found 22/12C$ 1,236
Thu 25/126:25 p.m.YYC - LHR
Nonstop8h 45mAir Canada
Tue 13/13:00 p.m.LHR - YYC
Nonstop9h 00mAir Canada
Deal found 22/12C$ 1,262
Tue 23/126:30 a.m.YYC - LHR
1 stop19h 05mFinnair
Mon 29/1210:05 a.m.LHR - YYC
1 stop18h 41mFinnair
Deal found 22/12C$ 1,265
Thu 25/122:13 p.m.YYC - LHR
1 stop12h 27mUnited Airlines
Tue 13/112:05 p.m.LHR - YYC
3 stops32h 03mUnited Airlines
Deal found 22/12C$ 1,297
Fri 26/126:30 a.m.YYC - LHR
1 stop19h 05mFinnair
Wed 31/1211:55 a.m.LHR - YYC
1 stop16h 51mFinnair
Deal found 22/12C$ 1,331
Tue 23/126:30 a.m.YYC - LHR
1 stop19h 05mFinnair
Wed 31/1211:55 a.m.LHR - YYC
1 stop16h 51mFinnair
Deal found 22/12C$ 1,337
Tue 30/125:10 p.m.YYC - LCY
1 stop17h 25mLufthansa
Tue 13/19:50 a.m.LCY - YYC
1 stop12h 35mLufthansa
Deal found 21/12C$ 1,549

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 23 December 2025.

Round-trip from

C$ 610

One-way from

C$ 255

Popular in

July

Cheapest in

January

Average price

C$ 1,225

Good round-trip deal

C$ 806 or less

Good one-way deal

C$ 267 or less
WestJet
  • WestJet
  • 21/1-26/1
  • Nonstop
  • 17h 45m total
  • Calgary to London
Search Deals
WestJet
  • WestJet
  • 18/1
  • Nonstop
  • 8h 40m total
  • Calgary to London
Search Deals
Highest demand for flights based on searches. 19% potential increase in price (C$ 324 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 41 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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 629,999 searches. Data last updated 23 December 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 - LTN

YYCLTN

Calgary

Tue 3/2

7:30 p.m.-5:50 p.m.

1 stop15h 20m

London Luton

Tue 10/2

7:10 a.m.-3:45 p.m.

1 stop15h 35m

C$ 726

CalgaryLondon

YYC - SEN

YYCSEN

Calgary

Sat 24/1

7:30 p.m.-5:05 p.m.

1 stop14h 35m

London Southend

Mon 2/2

7:15 a.m.-3:45 p.m.

1 stop15h 30m

C$ 732

CalgaryLondon

YYC - LTN

YYCLTN

Calgary

Sun 1/3

7:30 p.m.-4:35 p.m.

1 stop14h 05m

London Luton

Sun 8/3

6:40 p.m.-4:45 p.m.

1 stop28h 05m

C$ 737

CalgaryLondon

YYC - LTN

YYCLTN

Calgary

Wed 21/1

7:30 p.m.-8:05 p.m.

1 stop17h 35m

London Luton

Wed 28/1

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

1 stop16h 00m

C$ 753

CalgaryLondon

YYC - LGW

YYCLGW

Calgary

Sun 18/1

7:30 p.m.-6:35 p.m.

1 stop16h 05m

London Gatwick

Sun 25/1

8:30 a.m.-4:00 p.m.

1 stop14h 30m

C$ 754

CalgaryLondon

YYC - LTN

YYCLTN

Calgary

Wed 4/2

7:30 p.m.-8:05 p.m.

1 stop17h 35m

London Luton

Wed 11/2

7:00 a.m.-3:45 p.m.

1 stop15h 45m

C$ 760

CalgaryLondon

YYC - LTN

YYCLTN

Calgary

Mon 19/1

7:30 p.m.-9:50 p.m.

1 stop19h 20m

London Luton

Wed 28/1

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

1 stop16h 00m

C$ 772

CalgaryLondon

YYC - STN

YYCSTN

Calgary

Sun 1/3

7:30 p.m.-10:35 p.m.

2 stops20h 05m

London Stansted

Sun 8/3

10:10 a.m.-4:45 p.m.

1 stop12h 35m

C$ 778

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

Fri 23/1

6:30 a.m.-8:45 a.m.

2 stops19h 15m

London Heathrow

Wed 28/1

6:30 a.m.-1:40 p.m.

1 stop14h 10m

C$ 781

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

Fri 27/2

7:40 a.m.-10:15 a.m.

2 stops19h 35m

London Heathrow

Mon 2/3

11:45 a.m.-1:40 p.m.

1 stop32h 55m

C$ 781

Flights are sorted by cheapest round-trip flights first.

Deals found on 20/12

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 19 December 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 16 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, February is the cheapest month in which you can book a flight from Calgary to London (average of C$ 581). Flying from Calgary to London in August is currently the most expensive (average of C$ 854). 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 23 December 2025.

It’s typically best to fly out from Calgary to London in the evening. Doing so could potentially save you 18% 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 Friday evenings when fares are most often at their lowest. Monday at noon 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 23 December 2025.

The most flights from YYC to LON are scheduled on a Monday (12 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (12 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 51% 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$ 806.

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 01m.

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 35m.

How often are flights from Calgary to London delayed?

About 17% of weekly flights between Calgary and London have experienced delays in the past year, with the average delay time being 132 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 in the early afternoon tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Wednesday tends to have the lowest number of delays on this route, whereas Sunday 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 past year, Air Canada has had the lowest number of delays on this route, with just 13% of flights being delayed.

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 23 December 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
399 reviews
Check prices

Entertainment

7.0

Overall

8.0

Boarding

8.2

Food

7.6

Crew

8.6

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out
Porter Airlines
8.0
Very good
399 reviews
Porter Airlines
8.0
Very good
399 reviews
Check prices

Entertainment

7.0

Overall

8.0

Boarding

8.2

Food

7.6

Crew

8.6

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out
Air Transat
7.8
Good
484 reviews
Porter Airlines
8.0
Very good
399 reviews
Check prices

Entertainment

7.0

Overall

8.0

Boarding

8.2

Food

7.6

Crew

8.6

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out
WestJet
7.2
Good
3,214 reviews
Porter Airlines
8.0
Very good
399 reviews
Check prices

Entertainment

7.0

Overall

8.0

Boarding

8.2

Food

7.6

Crew

8.6

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out
Air Canada
7.1
Good
10,551 reviews
Porter Airlines
8.0
Very good
399 reviews
Check prices

Entertainment

7.0

Overall

8.0

Boarding

8.2

Food

7.6

Crew

8.6

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out
Lufthansa
6.8
Okay
7,649 reviews
Porter Airlines
8.0
Very good
399 reviews
Check prices

Entertainment

7.0

Overall

8.0

Boarding

8.2

Food

7.6

Crew

8.6

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out

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 12 outbound flights to London per day from 7 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 Delta, Air Transat, and Virgin Atlantic fly from Calgary to London in about 14h 05m. The time it takes to get you to your destination can typically vary by up to 5h 10m. 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$ 599, was found to be the cheapest airline from Calgary to London.Alternate airlines to your destination round-trip include Air Canada and Lufthansa. WestJet is currently priced 40% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from Calgary to London one-way?

    C$ 208 is the cheapest one-way deal found within the past few days, from WestJet. You may also be able to find cheap deals on Air Transat and Air Canada, with prices starting from C$ 451 and C$ 475, respectively.

  • 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 (100%), United Airlines (81%), Air Canada( 68%).

  • What are the cheapest flights from Calgary to London?

    On average you can expect to pay C$ 1,453 for a flight from Calgary to London. The cheapest flight overall is C$ 213 while the most popular route, (Calgary - London Heathrow) is currently priced at C$ 622.

  • 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, February is the cheapest month in which you can book a flight from Calgary to London (average of C$ 581). Flying from Calgary to London in August is currently the most expensive (average of C$ 854). 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
Sutton
Twickenham
Gatwick
Slough
Marlow
Milton Keynes
Romford
Watford
Bedford
Luton
Hounslow

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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 23 December 2025.
WestJet flights from Calgary to London
Air Canada flights from Calgary to London
Air Transat flights from Calgary to London

Top 7 airlines flying from Calgary to London

Discover the top 7 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 23 December 2025.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 599AverageC$ 1,047FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Air CanadaCheapestC$ 732AverageC$ 1,183FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
LufthansaCheapestC$ 745AverageC$ 1,106FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
KLMCheapestC$ 777AverageC$ 1,046FlexibilityNo cancel feeOn-time75%
Search KLM flights
Air TransatCheapestC$ 816AverageC$ 1,125FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
Porter AirlinesCheapestC$ 830AverageC$ 1,024FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
British AirwaysCheapestC$ 967AverageC$ 1,193FlexibilityNo cancel feeOn-time70%
Search British Airways flights

Fly with Cheapflights

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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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