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Cheap flights from Calgary to London from £236

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 28/7. Fares are subject to change and may not be available on all flights or dates of travel.
YYC — LON
2 Aug — 9 Aug1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Calgary to London are usually found in January or November, booked 67 days in advance, depart on a Saturday or Wednesday 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 3 July 2026.

Tue 8/913:20
YYC
-
STN
2 stops26h 20m
Multiple Airlines
Tue 29/906:30
STN
-
YYC
2 stops21h 20m
Multiple Airlines
Deal found 29/6£544
Sun 16/819:00
YYC
-
LTN
1 stop10h 35m
Multiple Airlines
Wed 26/806:15
LTN
-
YYC
1 stop34h 45m
Multiple Airlines
Deal found 28/6£544
Tue 1/1207:00
YYC
-
LHR
1 stop21h 50m
Air Canada
Mon 14/1213:00
LHR
-
YYC
1 stop29h 08m
Air Canada
Deal found 28/6£544
Wed 19/819:00
YYC
-
STN
1 stop10h 45m
Multiple Airlines
Fri 28/806:35
STN
-
YYC
2 stops18h 05m
Multiple Airlines
Deal found 29/6£545
Fri 23/1019:55
YYC
-
LHR
Nonstop8h 55m
Multiple Airlines
Sun 1/1114:30
LHR
-
YYC
1 stop12h 43m
Multiple Airlines
Deal found 28/6£545
Fri 16/1012:40
YYC
-
LHR
2 stops36h 55m
Multiple Airlines
Mon 2/1109:00
LHR
-
YYC
2 stops18h 29m
Multiple Airlines
Deal found 29/6£545
Fri 18/912:00
YYC
-
LGW
1 stop12h 55m
Air Transat
Tue 29/912:40
LGW
-
YYC
1 stop34h 04m
Air Transat
Deal found 28/6£546
Mon 2/1113:20
YYC
-
LHR
2 stops16h 40m
SWISS
Sat 7/1106:00
LHR
-
YYC
2 stops21h 29m
SWISS
Deal found 29/6£546
Mon 21/907:05
YYC
-
LGW
1 stop17h 50m
Porter Airlines
Tue 29/912:40
LGW
-
YYC
1 stop15h 34m
Porter Airlines
Deal found 28/6£547
Wed 26/807:45
YYC
-
LGW
1 stop19h 05m
Air Transat
Sat 12/912:40
LGW
-
YYC
1 stop34h 04m
Air Transat
Deal found 29/6£548
Fri 18/911:05
YYC
-
STN
3 stops28h 50m
Multiple Airlines
Sun 4/1008:30
STN
-
YYC
2 stops22h 15m
Multiple Airlines
Deal found 28/6£548
Sat 5/908:00
YYC
-
LGW
1 stop20h 20m
Air Transat
Sat 3/1011:35
LGW
-
YYC
1 stop17h 58m
Air Transat
Deal found 28/6£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 3 July 2026.

Round-trip from

£544

One-way from

£236

Popular in

July

Cheapest in

January

Average price

£805

Good round-trip deal

£502 or less

Good one-way deal

£300 or less
8/9-29/9
  • 8/9-29/9
  • 4 total stops
  • 47h 40m total
  • Calgary to London
Search Deals
28/7
  • 28/7
  • 2 total stops
  • 29h 40m total
  • Calgary to London
Search Deals
Highest demand for flights based on searches. 21% potential increase in price (£121 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£16 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 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 3 July 2026.
Use the filters below to find and compare flights from Calgary to London that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

Mon 2/11

13:20-13:00

2 stops16h 40m

London Heathrow

Sat 7/11

06:00-20:29

2 stops21h 29m

£546

CalgaryLondon

YYC - STN

YYCSTN

Calgary

Fri 18/9

11:05-22:55

3 stops28h 50m

London Stansted

Sun 4/10

08:30-23:45

2 stops22h 15m

£548

CalgaryLondon

YYC - LTN

YYCLTN

Calgary

Fri 7/8

07:00-17:25

3 stops27h 25m

London Luton

Tue 25/8

09:40-00:44

2 stops22h 04m

£558

CalgaryLondon

YYC - LTN

YYCLTN

Calgary

Fri 18/9

13:25-14:00

2 stops17h 35m

London Luton

Sun 4/10

09:00-14:15

1 stop12h 15m

£568

CalgaryLondon

YYC - LTN

YYCLTN

Calgary

Wed 26/8

19:00-16:35

1 stop14h 35m

London Luton

Fri 4/9

06:05-15:10

1 stop16h 05m

£578

CalgaryLondon

YYC - LTN

YYCLTN

Calgary

Thu 20/8

07:00-23:25

2 stops33h 25m

London Luton

Wed 26/8

06:15-23:45

3 stops24h 30m

£579

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

Fri 4/9

13:52-08:05

1 stop35h 13m

London Heathrow

Tue 15/9

19:10-23:29

2 stops35h 19m

£583

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

Mon 31/8

06:45-14:25

1 stop24h 40m

London Heathrow

Tue 15/9

12:20-23:29

2 stops42h 09m

£583

CalgaryLondon

YYC - LTN

YYCLTN

Calgary

Tue 4/8

18:55-12:55

1 stop11h 00m

London Luton

Tue 25/8

07:00-10:00

2 stops34h 00m

£587

CalgaryLondon

YYC - LTN

YYCLTN

Calgary

Sat 22/8

19:55-21:55

1 stop19h 00m

London Luton

Tue 25/8

09:40-14:15

1 stop11h 35m

£596

Flights are sorted by cheapest return flights first.

Deals found on 1/7

Showing 1-10 of 60 resultsSorted by cheapest first
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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

What is the cheapest month to book a flight from Calgary to London?

Currently, April is the cheapest month in which you can book a flight from Calgary to London (average of £173). Flying from Calgary to London in February is currently the most expensive (average of £1,545). 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 3 July 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 3 July 2026.

The most flights from YYC to LON are scheduled on a Wednesday (21 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 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.

Ottawa (YOW) – chosen by Cheapflights users on 24% 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 £462.

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 09m.

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 18% of weekly flights between Calgary and London have experienced delays in the past year, with the average delay time being 134 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 at night tend to experience delays more often.

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

Saturday tends to have the lowest number of delays on this route, whereas Friday 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 15% of flights being delayed.

How far ahead should I book a flight from Calgary to London?

To ensure you get the cheapest price possible for a flight from Calgary to London, you should look to book at least 61 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.

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 3 July 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
7.8
Good
562 reviews
Check prices

Boarding

8.0

Overall

7.8

Entertainment

7.1

Crew

8.5

Comfort

7.3

Food

6.8

Reviews

1 / 20
8.0
Excellent

Paul,Jul 2026

YUL - LGW

Had to bus to the plane which made priority boarding at the back of the bus
Air Transat
7.8
Good
562 reviews
Air Transat
7.8
Good
562 reviews
Check prices

Boarding

8.0

Overall

7.8

Entertainment

7.1

Crew

8.5

Comfort

7.3

Food

6.8

Reviews

1 / 20
8.0
Excellent

Paul,Jul 2026

YUL - LGW

Had to bus to the plane which made priority boarding at the back of the bus
WestJet
7.2
Good
3,393 reviews
Air Transat
7.8
Good
562 reviews
Check prices

Boarding

8.0

Overall

7.8

Entertainment

7.1

Crew

8.5

Comfort

7.3

Food

6.8

Reviews

1 / 20
8.0
Excellent

Paul,Jul 2026

YUL - LGW

Had to bus to the plane which made priority boarding at the back of the bus
Air Canada
7.1
Good
11,291 reviews
Air Transat
7.8
Good
562 reviews
Check prices

Boarding

8.0

Overall

7.8

Entertainment

7.1

Crew

8.5

Comfort

7.3

Food

6.8

Reviews

1 / 20
8.0
Excellent

Paul,Jul 2026

YUL - LGW

Had to bus to the plane which made priority boarding at the back of the bus

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 16h 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 £270, 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 53% lower than the current average price 3 months from now.

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

    £111 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 Canada and Lufthansa, with prices starting from £294 and £360, respectively.

  • 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 (88%), Air Canada (77%) and Austrian Airlines (77%).

  • What are the cheapest flights from Calgary to London?

    On average you can expect to pay £572 for a flight from Calgary to London. The cheapest flight overall is £200 while the most popular route, (Calgary - London Heathrow) is currently priced at £458.

  • 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, April is the cheapest month in which you can book a flight from Calgary to London (average of £173). Flying from Calgary to London in February is currently the most expensive (average of £1,545). 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
Hounslow
Milton Keynes
Luton
Wembley
Gatwick
Croydon
Slough
Ilford
Hayes
Brentford
Colchester
Watford
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Ipswich
Borehamwood
Southend-on-Sea

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 3 July 2026.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapest£270Average£641FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Air CanadaCheapest£409Average£713FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
LufthansaCheapest£465Average£591FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers 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?

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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