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Cheap flights from Calgary to London from £120

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 30/11. Fares are subject to change and may not be available on all flights or dates of travel.
YYC — LON
14 Dec — 21 Dec1
1 adult
1 adult, Economy, 0 bags

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

Find 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 14 November 2025.

Wed 12/1109:00YYC - LHR
1 stop17h 20mMultiple Airlines
Wed 19/1109:30LHR - YYC
1 stop12h 55mMultiple Airlines
Deal found 11/11£358
Sun 30/1121:10YYC - LHR
Nonstop8h 40mWestJet
Thu 4/1214:50LHR - YYC
Nonstop9h 05mWestJet
Deal found 13/11£364
Mon 17/1121:10YYC - LHR
Nonstop8h 40mWestJet
Wed 3/1214:50LHR - YYC
Nonstop9h 05mWestJet
Deal found 13/11£366
Fri 14/1119:50YYC - LHR
1 stop33h 00mMultiple Airlines
Wed 3/1206:00LHR - YYC
2 stops24h 44mMultiple Airlines
Deal found 10/11£378
Fri 14/1116:30YYC - LHR
1 stop12h 20mMultiple Airlines
Fri 21/1109:00LHR - YYC
2 stops21h 44mMultiple Airlines
Deal found 12/11£379
Wed 12/1106:00YYC - LHR
1 stop22h 50mMultiple Airlines
Fri 21/1109:00LHR - YYC
2 stops21h 44mMultiple Airlines
Deal found 11/11£380
Tue 18/1118:25YYC - LHR
Nonstop8h 45mMultiple Airlines
Tue 25/1109:00LHR - YYC
2 stops21h 44mMultiple Airlines
Deal found 13/11£381
Sat 29/1105:35YYC - LHR
1 stop18h 35mMultiple Airlines
Wed 3/1206:00LHR - YYC
2 stops21h 39mMultiple Airlines
Deal found 13/11£383
Sat 22/1121:35YYC - LHR
1 stop31h 15mMultiple Airlines
Thu 4/1218:40LHR - YYC
2 stops32h 59mMultiple Airlines
Deal found 11/11£384
Fri 28/1118:25YYC - LHR
Nonstop8h 45mMultiple Airlines
Tue 2/1206:50LHR - YYC
2 stops23h 38mMultiple Airlines
Deal found 12/11£385
Wed 12/1105:35YYC - LHR
2 stops20h 45mAir Canada
Wed 19/1109:00LHR - YYC
2 stops18h 39mAir Canada
Deal found 11/11£386
Mon 1/1217:10YYC - LCY
1 stop17h 30mMultiple Airlines
Mon 8/1209:50LCY - YYC
1 stop12h 35mMultiple Airlines
Deal found 13/11£451

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 14 November 2025.

Round-trip from

£348

One-way from

£120

Popular in

July

Cheapest in

February

Average price

£442

Good round-trip deal

£460 or less

Good one-way deal

£114 or less
22/1-1/2
  • 22/1-1/2
  • 1 total stop
  • 40h 10m total
  • Calgary to London
Search Deals
WestJet
  • WestJet
  • 30/11
  • Nonstop
  • 8h 40m total
  • Calgary to London
Search Deals
Highest demand for flights based on searches. 18% potential increase in price (£97 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£13 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 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 14 November 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

Wed 21/1

19:30-20:05

1 stop17h 35m

London Luton

Mon 26/1

07:20-16:00

1 stop15h 40m

£420

CalgaryLondon

YYC - LTN

YYCLTN

Calgary

Thu 22/1

19:30-17:15

1 stop14h 45m

London Luton

Sun 1/2

07:00-15:45

1 stop15h 45m

£429

CalgaryLondon

YYC - LGW

YYCLGW

Calgary

Mon 2/2

12:40-09:45

1 stop14h 05m

London Gatwick

Wed 11/2

11:40-15:32

1 stop34h 52m

£434

CalgaryLondon

YYC - LGW

YYCLGW

Calgary

Wed 11/2

12:40-09:45

1 stop14h 05m

London Gatwick

Sat 21/2

11:40-11:42

1 stop31h 02m

£434

CalgaryLondon

YYC - LGW

YYCLGW

Calgary

Mon 9/2

12:40-09:45

1 stop14h 05m

London Gatwick

Mon 16/2

11:40-23:22

1 stop18h 42m

£434

CalgaryLondon

YYC - LGW

YYCLGW

Calgary

Tue 10/2

12:40-09:45

1 stop14h 05m

London Gatwick

Sat 21/2

11:40-11:42

1 stop31h 02m

£434

CalgaryLondon

YYC - LGW

YYCLGW

Calgary

Mon 9/3

07:00-09:45

1 stop20h 45m

London Gatwick

Thu 12/3

11:40-11:42

1 stop30h 02m

£434

CalgaryLondon

YYC - LGW

YYCLGW

Calgary

Mon 2/2

12:40-09:45

1 stop14h 05m

London Gatwick

Mon 9/2

11:40-11:42

1 stop31h 02m

£434

CalgaryLondon

YYC - LGW

YYCLGW

Calgary

Tue 3/2

12:40-09:45

1 stop14h 05m

London Gatwick

Tue 10/2

11:40-15:32

1 stop34h 52m

£434

CalgaryLondon

YYC - LTN

YYCLTN

Calgary

Sun 1/2

19:30-21:55

1 stop19h 25m

London Luton

Tue 10/2

07:10-15:45

1 stop15h 35m

£442

Flights are sorted by cheapest return flights first.

Deals found on 11/11

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 7 November 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 £318). Flying from Calgary to London in August is currently the most expensive (average of £471). 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 14 November 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 afternoon could potentially save you up to 13% 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 14 November 2025.

The most flights from YYC to LON are scheduled on a Monday (11 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 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 £511.

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.

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 14 November 2025.
Read reviews from past customers who have flown with Air Transat, Virgin Atlantic, 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.
Air Transat
7.8
Good
472 reviews
Check prices

Crew

8.5

Comfort

7.4

Entertainment

7.1

Food

6.8

Overall

7.8

Boarding

7.9

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
7.8
Good
472 reviews
Air Transat
7.8
Good
472 reviews
Check prices

Crew

8.5

Comfort

7.4

Entertainment

7.1

Food

6.8

Overall

7.8

Boarding

7.9

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.
Virgin Atlantic
7.5
Good
673 reviews
Air Transat
7.8
Good
472 reviews
Check prices

Crew

8.5

Comfort

7.4

Entertainment

7.1

Food

6.8

Overall

7.8

Boarding

7.9

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
3,162 reviews
Air Transat
7.8
Good
472 reviews
Check prices

Crew

8.5

Comfort

7.4

Entertainment

7.1

Food

6.8

Overall

7.8

Boarding

7.9

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
10,450 reviews
Air Transat
7.8
Good
472 reviews
Check prices

Crew

8.5

Comfort

7.4

Entertainment

7.1

Food

6.8

Overall

7.8

Boarding

7.9

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
7,572 reviews
Air Transat
7.8
Good
472 reviews
Check prices

Crew

8.5

Comfort

7.4

Entertainment

7.1

Food

6.8

Overall

7.8

Boarding

7.9

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 11 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 12h 27m. 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 £329, 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 41% 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 Air Canada (88%), Aegean Airlines (88%) and Thai Airways (88%).

  • What are the cheapest flights from Calgary to London?

    On average you can expect to pay £326 for a flight from Calgary to London. The cheapest flight overall is £97 while the most popular route, (Calgary - London Heathrow) is currently priced at £356.

  • 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 £318). Flying from Calgary to London in August is currently the most expensive (average of £471). 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
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Gatwick
Hounslow
Luton
Ilford
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Deal
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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 14 November 2025.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapest£329Average£572FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Air CanadaCheapest£426Average£677FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
LufthansaCheapest£428Average£593FlexibilityNo 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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