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Cheap flights from Calgary to London from £121

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 10/2. Fares are subject to change and may not be available on all flights or dates of travel.
YYC — LON
26 Jan — 2 Feb1
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 Thursday or Saturday and return on a Thursday

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 27 December 2025.

Tue 30/1216:50YYC - LHR
1 stop31h 20mMultiple Airlines
Tue 13/118:40LHR - YYC
2 stops33h 19mMultiple Airlines
Deal found 26/12£547
Tue 30/1220:45YYC - LHR
2 stops32h 05mAir Canada
Tue 13/115:00LHR - YYC
Nonstop9h 00mAir Canada
Deal found 25/12£552
Fri 26/1215:25YYC - LHR
1 stop12h 55mAir Canada
Tue 30/1211:35LHR - YYC
2 stops30h 35mAir Canada
Deal found 26/12£621
Fri 26/1206:45YYC - LHR
1 stop21h 20mAir Canada
Fri 9/109:00LHR - YYC
2 stops18h 19mAir Canada
Deal found 25/12£650
Tue 30/1221:10YYC - LHR
Nonstop8h 40mWestJet
Tue 13/114:50LHR - YYC
Nonstop9h 05mWestJet
Deal found 25/12£727
Tue 30/1216:30YYC - LGW
1 stop34h 15mAir Transat
Tue 13/111:40LGW - YYC
1 stop31h 02mAir Transat
Deal found 26/12£751
Tue 30/1217:10YYC - LCY
1 stop17h 25mMultiple Airlines
Tue 13/109:50LCY - YYC
1 stop12h 35mMultiple Airlines
Deal found 26/12£775
Sat 27/1206:15YYC - LHR
2 stops16h 40mAir Canada
Wed 31/1211:10LHR - YYC
2 stops20h 19mAir Canada
Deal found 25/12£782
Tue 30/1217:10YYC - LCY
1 stop17h 25mLufthansa
Tue 13/109:50LCY - YYC
2 stops21h 24mLufthansa
Deal found 25/12£809
Fri 26/1219:30YYC - LTN
1 stop31h 55mMultiple Airlines
Fri 9/120:55LTN - YYC
2 stops26h 05mMultiple Airlines
Deal found 25/12£849
Fri 26/1210:15YYC - STN
3 stops25h 25mMultiple Airlines
Fri 9/106:00STN - YYC
3 stops25h 05mMultiple Airlines
Deal found 25/12£984
Fri 26/1206:30YYC - LGW
2 stops22h 20mMultiple Airlines
Fri 9/118:10LGW - YYC
1 stop28h 50mMultiple Airlines
Deal found 25/12£985

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 27 December 2025.

Round-trip from

£321

One-way from

£121

Popular in

July

Cheapest in

January

Average price

£659

Good round-trip deal

£553 or less

Good one-way deal

£145 or less
WestJet
  • WestJet
  • 19/1-28/1
  • Nonstop
  • 17h 45m total
  • Calgary to London
Search Deals
WestJet
  • WestJet
  • 10/2
  • Nonstop
  • 8h 40m total
  • Calgary to London
Search Deals
Highest demand for flights based on searches. 19% potential increase in price (£94 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£12 potential savings vs. average return 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

 
Customise 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 858,174 searches. Data last updated 27 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 - LHR

YYCLHR

Calgary

Sat 31/1

21:10-12:50

Nonstop8h 40m

London Heathrow

Wed 18/3

14:50-17:40

Nonstop8h 50m

£352

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

Tue 24/2

21:10-12:50

Nonstop8h 40m

London Heathrow

Wed 25/2

14:50-16:40

Nonstop8h 50m

£373

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

Thu 29/1

21:10-12:50

Nonstop8h 40m

London Heathrow

Fri 13/3

14:50-17:40

Nonstop8h 50m

£381

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

Thu 29/1

21:10-12:50

Nonstop8h 40m

London Heathrow

Mon 16/3

14:50-17:40

Nonstop8h 50m

£381

CalgaryLondon

YYC - LTN

YYCLTN

Calgary

Wed 21/1

19:30-20:05

1 stop17h 35m

London Luton

Wed 28/1

07:00-16:00

1 stop16h 00m

£387

CalgaryLondon

YYC - LTN

YYCLTN

Calgary

Thu 22/1

19:30-17:15

1 stop14h 45m

London Luton

Wed 28/1

07:00-16:00

1 stop16h 00m

£390

CalgaryLondon

YYC - LTN

YYCLTN

Calgary

Thu 15/1

19:30-17:15

1 stop14h 45m

London Luton

Sun 18/1

07:00-16:00

1 stop16h 00m

£399

CalgaryLondon

YYC - LTN

YYCLTN

Calgary

Mon 19/1

19:30-21:50

1 stop19h 20m

London Luton

Wed 28/1

07:00-16:00

1 stop16h 00m

£404

CalgaryLondon

YYC - LTN

YYCLTN

Calgary

Thu 22/1

19:30-17:15

1 stop14h 45m

London Luton

Thu 29/1

07:15-16:00

1 stop15h 45m

£413

CalgaryLondon

YYC - LTN

YYCLTN

Calgary

Mon 23/2

19:30-21:50

1 stop19h 20m

London Luton

Sat 28/2

18:30-15:45

1 stop28h 15m

£413

Flights are sorted by cheapest return flights first.

Deals found on 25/12

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 return 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 return flight from Calgary to London. Price data was last updated on 19 December 2025.

To ensure you get the cheapest price possible for a flight from Calgary to London, you should look to book at least 16 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, February is the cheapest month in which you can book a flight from Calgary to London (average of £313). Flying from Calgary to London in August is currently the most expensive (average of £459). 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 27 December 2025.

One of the essential ways to save on airfare from Calgary to London is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight in the evening could potentially save you up to 7% on airfare.

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 27 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).

How much does it cost for a return flight from Calgary to London?

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

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

Toronto (YYZ) – chosen by Cheapflights users on 41% of one-stop itineraries from Calgary to London on Cheapflights.

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

Average return fare for one-stop flights from Calgary to London, chosen by Cheapflights users in the past 12 months, with the same stopover each way.

Toronto (YYZ) is the most affordable one-stop option, with an average return flight price of £498.

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

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

Flights via Amsterdam (AMS) have the shortest average one-way travel time for one-stop routes: 11h 04m.

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

Average stopover duration for one-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 stopover time of 1h 14m.

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 have 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 27 December 2025.
Read reviews from past customers who have flown with Air Transat, WestJet, andAir Canada 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.
Air Transat
7.7
Good
485 reviews
Check prices

Entertainment

7.1

Overall

7.7

Comfort

7.3

Crew

8.4

Boarding

7.9

Food

6.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

YYZ - YUL

Easy, fast onboarding, very friendly staff. Seats were very narrow, OK for me but we were elbow to elbow with both neighbours of small size. The seat width should be indicated at the time of booking to prevent an uncomfortable situation with oversized travellers.
Air Transat
7.7
Good
485 reviews
Air Transat
7.7
Good
485 reviews
Check prices

Entertainment

7.1

Overall

7.7

Comfort

7.3

Crew

8.4

Boarding

7.9

Food

6.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

YYZ - YUL

Easy, fast onboarding, very friendly staff. Seats were very narrow, OK for me but we were elbow to elbow with both neighbours of small size. The seat width should be indicated at the time of booking to prevent an uncomfortable situation with oversized travellers.
WestJet
7.2
Good
3,220 reviews
Air Transat
7.7
Good
485 reviews
Check prices

Entertainment

7.1

Overall

7.7

Comfort

7.3

Crew

8.4

Boarding

7.9

Food

6.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

YYZ - YUL

Easy, fast onboarding, very friendly staff. Seats were very narrow, OK for me but we were elbow to elbow with both neighbours of small size. The seat width should be indicated at the time of booking to prevent an uncomfortable situation with oversized travellers.
Air Canada
7.1
Good
10,562 reviews
Air Transat
7.7
Good
485 reviews
Check prices

Entertainment

7.1

Overall

7.7

Comfort

7.3

Crew

8.4

Boarding

7.9

Food

6.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

YYZ - YUL

Easy, fast onboarding, very friendly staff. Seats were very narrow, OK for me but we were elbow to elbow with both neighbours of small size. The seat width should be indicated at the time of booking to prevent an uncomfortable situation with oversized travellers.
Lufthansa
6.8
Okay
7,653 reviews
Air Transat
7.7
Good
485 reviews
Check prices

Entertainment

7.1

Overall

7.7

Comfort

7.3

Crew

8.4

Boarding

7.9

Food

6.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

YYZ - YUL

Easy, fast onboarding, very friendly staff. Seats were very narrow, OK for me but we were elbow to elbow with both neighbours of small size. The seat width should be indicated at the time of booking to prevent an uncomfortable situation with oversized travellers.

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?

    Located just 5.8 mi from the city center, Calgary is the airport most travelers will use when flying to London from Calgary. Booking flights from Calgary (YYC) to London should be relatively easy as there are 12 daily outbound flights to London from 3 different airlines.

  • How long is the flight from Calgary to London?

    Departing from Calgary to London will take you 8h 40m. The distance between Calgary and London is about 4355 mi. 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 £310, was found to be the cheapest airline from Calgary to London.Alternate airlines flying return to your destination include Air Canada and Lufthansa. These flights start at 42% lower than the current average price 3 months from now.

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

    When deciding which route to take from Calgary to London consider Calgary - London Heathrow, Calgary - London Gatwick or Calgary - London City as they are the most popular.

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

    The top 3 most reliable airlines when flying from Calgary to London are Croatia Airlines (100%), United Airlines (81%) and Air Canada (68%).

  • What are the cheapest flights from Calgary to London?

    On average you can expect to pay £542 for a flight from Calgary to London. The cheapest flight overall is £122 while the most popular route, (Calgary - London Heathrow) is currently priced at £359.

  • 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 holiday 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 £313). Flying from Calgary to London in August is currently the most expensive (average of £459). 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
Milton Keynes
Croydon
Slough
Hounslow
Luton
Gatwick
Wembley
Ilford
Brentford
Colchester
Hayes
Watford
Crawley
Bedford
Romford
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Eastbourne
Ipswich
Bishop's Stortford
Chelmsford

Browse thousands of different options on Cheapflights for your next trip

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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 858,174 searches. Data last updated 27 December 2025.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapest£310Average£592FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Air CanadaCheapest£415Average£660FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
LufthansaCheapest£418Average£584FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights

Fly with Cheapflights

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

When you search for this flight from Calgary to London, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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

Millions of users choose and trust Cheapflights to book the best flight deals from Calgary to London for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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

Yes, we can. To see specific flights from Calgary to London with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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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