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Cheap flights from Calgary to London from £113

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 1/3. Fares are subject to change and may not be available on all flights or dates of travel.
YYC — LON
14 Mar — 21 Mar1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Calgary to London are usually found in January or November, booked 16 days in advance, depart on a Thursday or Tuesday 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 12 February 2026.

Sun 1/321:10
YYC
-
LHR
Nonstop8h 40m
Multiple Airlines
Sun 15/308:20
LHR
-
YYC
1 stop14h 25m
Multiple Airlines
Deal found 10/2£335
Mon 2/321:10
YYC
-
LHR
Nonstop8h 40m
Multiple Airlines
Mon 16/315:15
LHR
-
YYC
1 stop31h 30m
Multiple Airlines
Deal found 11/2£338
Mon 2/321:10
YYC
-
LHR
Nonstop8h 40m
Multiple Airlines
Sun 15/315:15
LHR
-
YYC
1 stop31h 30m
Multiple Airlines
Deal found 10/2£339
Sun 15/221:10
YYC
-
LHR
Nonstop8h 40m
WestJet
Sun 1/314:50
LHR
-
YYC
Nonstop8h 50m
WestJet
Deal found 11/2£349
Mon 2/321:10
YYC
-
LHR
Nonstop8h 40m
Multiple Airlines
Thu 12/307:15
LHR
-
YYC
1 stop15h 30m
Multiple Airlines
Deal found 11/2£350
Tue 24/221:10
YYC
-
LHR
Nonstop8h 40m
WestJet
Tue 3/314:50
LHR
-
YYC
Nonstop8h 50m
WestJet
Deal found 11/2£351
Tue 24/221:10
YYC
-
LHR
Nonstop8h 40m
WestJet
Wed 4/314:50
LHR
-
YYC
Nonstop8h 50m
WestJet
Deal found 11/2£353
Mon 2/321:10
YYC
-
LHR
Nonstop8h 40m
WestJet
Mon 9/314:50
LHR
-
YYC
Nonstop8h 50m
WestJet
Deal found 11/2£361
Tue 24/221:10
YYC
-
LHR
Nonstop8h 40m
WestJet
Mon 2/314:50
LHR
-
YYC
Nonstop8h 50m
WestJet
Deal found 11/2£363
Tue 24/221:10
YYC
-
LHR
Nonstop8h 40m
Multiple Airlines
Wed 4/315:15
LHR
-
YYC
1 stop31h 30m
Multiple Airlines
Deal found 11/2£365
Thu 26/212:40
YYC
-
LGW
1 stop14h 05m
Air Transat
Sun 8/311:40
LGW
-
YYC
1 stop17h 42m
Air Transat
Deal found 9/2£423
Tue 24/212:40
YYC
-
LGW
1 stop14h 05m
Air Transat
Sun 8/311:40
LGW
-
YYC
1 stop17h 42m
Air Transat
Deal found 9/2£428

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 12 February 2026.

Round-trip from

£335

One-way from

£113

Popular in

July

Cheapest in

January

Average price

£420

Good round-trip deal

£477 or less

Good one-way deal

£258 or less
WestJet
  • WestJet
  • 1/3-15/3
  • Nonstop
  • 17h 30m total
  • Calgary to London
Search Deals
WestJet
  • WestJet
  • 1/3
  • Nonstop
  • 8h 40m total
  • Calgary to London
Search Deals
Highest demand for flights based on searches. 18% potential increase in price (£88 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 February 2026
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 12 February 2026.
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 - LGW

YYCLGW

Calgary

Mon 2/3

12:40-09:45

1 stop14h 05m

London Gatwick

Sun 8/3

11:40-23:22

1 stop17h 42m

£441

CalgaryLondon

YYC - LTN

YYCLTN

Calgary

Sat 2/5

19:55-21:55

1 stop19h 00m

London Luton

Tue 5/5

09:40-14:15

1 stop11h 35m

£461

CalgaryLondon

YYC - LTN

YYCLTN

Calgary

Sat 2/5

19:55-21:55

1 stop19h 00m

London Luton

Wed 6/5

09:40-17:10

1 stop14h 30m

£470

CalgaryLondon

YYC - LGW

YYCLGW

Calgary

Wed 25/2

12:40-09:45

1 stop14h 05m

London Gatwick

Sat 7/3

11:40-10:42

1 stop30h 02m

£474

CalgaryLondon

YYC - LGW

YYCLGW

Calgary

Sat 28/2

12:40-09:45

1 stop14h 05m

London Gatwick

Sat 7/3

11:40-10:42

1 stop30h 02m

£474

CalgaryLondon

YYC - LTN

YYCLTN

Calgary

Sun 10/5

18:15-17:15

1 stop16h 00m

London Luton

Sun 17/5

07:00-16:40

1 stop16h 40m

£482

CalgaryLondon

YYC - LGW

YYCLGW

Calgary

Sun 26/4

12:40-10:45

1 stop15h 05m

London Gatwick

Tue 5/5

12:40-15:44

1 stop34h 04m

£486

CalgaryLondon

YYC - LGW

YYCLGW

Calgary

Tue 31/3

12:40-10:45

1 stop15h 05m

London Gatwick

Fri 10/4

12:40-23:22

1 stop17h 42m

£487

CalgaryLondon

YYC - STN

YYCSTN

Calgary

Thu 16/4

19:00-16:30

1 stop14h 30m

London Stansted

Wed 22/4

22:45-23:45

2 stops32h 00m

£499

CalgaryLondon

YYC - STN

YYCSTN

Calgary

Sun 3/5

16:40-23:25

2 stops23h 45m

London Stansted

Sat 9/5

22:00-14:15

1 stop23h 15m

£503

Flights are sorted by cheapest return flights first.

Deals found on 11/2

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 6 February 2026.

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, January is the cheapest month in which you can book a flight from Calgary to London (average of £312). Flying from Calgary to London in August is currently the most expensive (average of £454). 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 12 February 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Calgary to London as you normally would.

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 12 February 2026.

The most flights from YYC to LON are scheduled on a Monday (12 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (1 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 39% 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.

Salt Lake City (SLC) is the most affordable one-stop option, with an average return flight price of £451.

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 19% of weekly flights between Calgary and London have experienced delays in the past year, with the average delay time being 125 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?

Monday tends to have the lowest number of delays on this route, whereas Thursday 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, Pascan have had the lowest number of delays on this route, with just 14% 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 12 February 2026.
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
508 reviews
Check prices

Entertainment

7.0

Food

6.8

Boarding

7.9

Comfort

7.3

Crew

8.4

Overall

7.7

Reviews

1 / 20
2.0
Mediocre

Anonymous,Dec 2025

YOW - GCM

The flight was delayed for 3.5 hours. No compensation for a meal voucher. We were positioned at the back of the plane and the toilets were not working properly. It was a foul smell coming from the toilet.
Air Transat
7.7
Good
508 reviews
Air Transat
7.7
Good
508 reviews
Check prices

Entertainment

7.0

Food

6.8

Boarding

7.9

Comfort

7.3

Crew

8.4

Overall

7.7

Reviews

1 / 20
2.0
Mediocre

Anonymous,Dec 2025

YOW - GCM

The flight was delayed for 3.5 hours. No compensation for a meal voucher. We were positioned at the back of the plane and the toilets were not working properly. It was a foul smell coming from the toilet.
WestJet
7.2
Good
3,256 reviews
Air Transat
7.7
Good
508 reviews
Check prices

Entertainment

7.0

Food

6.8

Boarding

7.9

Comfort

7.3

Crew

8.4

Overall

7.7

Reviews

1 / 20
2.0
Mediocre

Anonymous,Dec 2025

YOW - GCM

The flight was delayed for 3.5 hours. No compensation for a meal voucher. We were positioned at the back of the plane and the toilets were not working properly. It was a foul smell coming from the toilet.
Air Canada
7.1
Good
10,709 reviews
Air Transat
7.7
Good
508 reviews
Check prices

Entertainment

7.0

Food

6.8

Boarding

7.9

Comfort

7.3

Crew

8.4

Overall

7.7

Reviews

1 / 20
2.0
Mediocre

Anonymous,Dec 2025

YOW - GCM

The flight was delayed for 3.5 hours. No compensation for a meal voucher. We were positioned at the back of the plane and the toilets were not working properly. It was a foul smell coming from the toilet.

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 8 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 14h 05m. The distance between Calgary and London is about 4380 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 £281, 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 47% 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 (50%), Aegean Airlines (50%) and Thai Airways (50%).

  • What are the cheapest flights from Calgary to London?

    On average you can expect to pay £455 for a flight from Calgary to London. The cheapest flight overall is £137 while the most popular route, (Calgary - London Heathrow) is currently priced at £339.

  • 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, January is the cheapest month in which you can book a flight from Calgary to London (average of £312). Flying from Calgary to London in August is currently the most expensive (average of £454). 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
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Croydon
Luton
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Gatwick
Slough
Hounslow
Ilford
Hayes
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Kingston upon Thames
Ipswich
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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 12 February 2026.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapest£281Average£590FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Air CanadaCheapest£403Average£642FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
LufthansaCheapest£467Average£634FlexibilityNo 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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