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Cheap flights from Calgary to London from £251

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 10/10. Fares are subject to change and may not be available on all flights or dates of travel.
YYC — LON
13 Sep — 20 Sep1
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 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 14 August 2026.

Mon 14/907:05 -
1 stop17h 50m
Fri 29/111:40 -
1 stop18h 45m
Deal found 13/8£488
Thu 8/1007:05 -
1 stop17h 50m
Thu 22/1012:40 -
1 stop15h 34m
Deal found 13/8£490
Wed 11/1114:25 -
2 stops13h 55m
Mon 16/1113:00 -
2 stops18h 24m
Deal found 13/8£490
Thu 8/1023:45 -
2 stops28h 00m
Thu 22/1012:40 -
2 stops28h 10m
Deal found 13/8£491
Tue 20/1006:35 -
1 stop21h 25m
Wed 24/206:30 -
1 stop15h 10m
Deal found 14/8£491
Tue 13/1008:00 -
2 stops27h 05m
Tue 20/1005:40 -
2 stops24h 08m
Deal found 12/8£491
Fri 16/1015:15 -
1 stop19h 35m
Sat 31/1006:30 -
1 stop14h 10m
Deal found 14/8£492
Tue 8/906:00 -
2 stops33h 40m
Mon 21/920:45 -
2 stops32h 50m
Deal found 14/8£493
Mon 2/1119:30 -
1 stop18h 30m
Mon 9/1107:20 -
1 stop16h 25m
Deal found 14/8£493
Wed 21/1007:45 -
1 stop22h 20m
Sun 21/208:40 -
1 stop13h 00m
Deal found 14/8£494
Mon 12/1006:35 -
1 stop20h 25m
Thu 22/1011:45 -
1 stop32h 35m
Deal found 12/8£494
Wed 7/1019:00 -
1 stop14h 35m
Thu 22/1006:05 -
1 stop16h 05m
Deal found 12/8£494

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 14 August 2026.

Round-trip from

£488

One-way from

£251

Popular in

August

Cheapest in

January

Average price

£773

Good round-trip deal

£527 or less

Good one-way deal

£288 or less
Air Transat
  • Air Transat
  • 14/9-29/1
  • 2 total stops
  • 36h 35m total
  • Calgary to London
Search Deals
10/10
  • 10/10
  • 2 total stops
  • 16h 25m total
  • Calgary to London
Search Deals
Highest demand for flights based on searches. 20% potential increase in price (£110 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£13 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 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 14 August 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 Calgary - LHR London Heathrow

YYCLHR

Calgary

Sun 11/10

16:10-13:50

2 stops14h 40m

London Heathrow

Tue 24/11

10:00-20:15

2 stops16h 15m

£495

CalgaryLondon

YYC Calgary - LHR London Heathrow

YYCLHR

Calgary

Sun 11/10

16:10-13:50

2 stops14h 40m

London Heathrow

Wed 25/11

08:40-15:40

1 stop13h 00m

£496

CalgaryLondon

YYC Calgary - LHR London Heathrow

YYCLHR

Calgary

Sun 18/10

16:10-13:50

2 stops14h 40m

London Heathrow

Tue 27/10

06:30-14:40

1 stop14h 10m

£496

CalgaryLondon

YYC Calgary - SEN London Southend

YYCSEN

Calgary

Sun 1/11

19:30-13:35

1 stop12h 05m

London Southend

Sun 22/11

15:55-17:45

1 stop31h 50m

£498

CalgaryLondon

YYC Calgary - LTN London Luton

YYCLTN

Calgary

Mon 12/10

19:10-22:15

1 stop20h 05m

London Luton

Thu 22/10

06:05-15:10

1 stop16h 05m

£498

CalgaryLondon

YYC Calgary - SEN London Southend

YYCSEN

Calgary

Thu 12/11

19:30-16:15

1 stop14h 45m

London Southend

Thu 10/12

15:40-17:45

1 stop32h 05m

£501

CalgaryLondon

YYC Calgary - LGW London Gatwick

YYCLGW

Calgary

Sat 31/10

07:00-09:45

1 stop20h 45m

London Gatwick

Mon 9/11

11:40-13:50

1 stop32h 10m

£504

CalgaryLondon

YYC Calgary - SEN London Southend

YYCSEN

Calgary

Sun 15/11

19:30-13:35

1 stop12h 05m

London Southend

Sun 22/11

15:55-17:45

1 stop31h 50m

£508

CalgaryLondon

YYC Calgary - LCY London City

YYCLCY

Calgary

Sat 7/11

16:20-12:15

1 stop13h 55m

London City

Tue 17/11

08:40-15:40

1 stop13h 00m

£511

CalgaryLondon

YYC Calgary - SEN London Southend

YYCSEN

Calgary

Wed 9/12

19:30-17:35

1 stop16h 05m

London Southend

Sun 27/12

15:55-17:45

1 stop31h 50m

£514

Flights are sorted by cheapest return flights first.

Deals found on 13/8

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, January is the cheapest month in which you can book a flight from Calgary to London (average of £399). Flying from Calgary to London in August is currently the most expensive (average of £771). 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 August 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 14 August 2026.

The most flights from YYC to LON are scheduled on a Monday (12 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (11 on average).

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

Airfare is below average for this route at the moment.
Calgary to London flights typically cost between £699 and £857 in September.
The cheapest return price found within the last 5 days was £488 on Air Transat (14 Sept–29 Jan).

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.

Amsterdam (AMS) – chosen by Cheapflights users on 36% 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.

Minneapolis (MSP) is the most affordable one-stop option, with an average return flight price of £437.

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 Amsterdam (AMS) offer the fastest connection on this route, with an average stopover time of 1h 24m.

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 138 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?

Monday 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 14% 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 14 August 2026.
Read reviews from past customers who have flown with WestJet and Air 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.
WestJet
7.2
Good
3,433 reviews
Check prices

Boarding

7.4

Overall

7.2

Entertainment

6.1

Comfort

7.0

Food

6.2

Crew

7.9

Reviews

1 / 20
2.0
Mediocre

Blaine,Dec 2025

YYC - YVR

The worst I’ve ever had in 50 years of flying
WestJet
7.2
Good
3,433 reviews
WestJet
7.2
Good
3,433 reviews
Check prices

Boarding

7.4

Overall

7.2

Entertainment

6.1

Comfort

7.0

Food

6.2

Crew

7.9

Reviews

1 / 20
2.0
Mediocre

Blaine,Dec 2025

YYC - YVR

The worst I’ve ever had in 50 years of flying
Air Canada
7.1
Good
11,471 reviews
WestJet
7.2
Good
3,433 reviews
Check prices

Boarding

7.4

Overall

7.2

Entertainment

6.1

Comfort

7.0

Food

6.2

Crew

7.9

Reviews

1 / 20
2.0
Mediocre

Blaine,Dec 2025

YYC - YVR

The worst I’ve ever had in 50 years of flying

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 2 different airlines.

  • How long is the flight from Calgary to London?

    Departing from Calgary to London will take you 13h 55m. The distance between Calgary and London is about 4368 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 £263, was found to be the cheapest airline from Calgary to London. An alternate airline flying to your destination would be Air Canada. These flights start at 54% lower than the current average price 3 months from now.

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

    £109 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 £252 and £355, 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 (94%), Air Canada (77%) and Austrian Airlines (77%).

  • What are the cheapest flights from Calgary to London?

    On average you can expect to pay £692 for a flight from Calgary to London. The cheapest flight overall is £155 while the most popular route, (Calgary - London Heathrow) is currently priced at £430.

  • 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 £399). Flying from Calgary to London in August is currently the most expensive (average of £771). 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?

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Top 2 airlines flying from Calgary to London

Discover the top 2 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 August 2026.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapest£263Average£617FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Air CanadaCheapest£380Average£684FlexibilityNo cancel feeOn-time67%
Search Air Canada 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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