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Cheap flights from Calgary to London from C$ 455

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 23/7. Fares are subject to change and may not be available on all flights or dates of travel.
YYC — LON
17 Jun — 24 Jun1
1 adult

Cheapflights Tip: The best prices from Calgary to London are usually found in January or February, booked 59 days in advance, depart on a Thursday or Sunday and return on a Wednesday

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 12 June 2025.

Round-trip from

C$ 967

One-way from

C$ 455

Popular in

July

Cheapest in

January

Average price

C$ 1,198

Good round-trip deal

C$ 1,061 or less

Good one-way deal

C$ 475 or less
SWISS
  • SWISS
  • 22/11-7/12
  • 4 total stops
  • 45h 53m total
  • Calgary to London
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23/7
  • 23/7
  • 1 total stop
  • 20h 40m total
  • Calgary to London
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Highest demand for flights based on searches. 18% potential increase in price (C$ 328 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease (C$ 38 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Price to beat on a round-trip flight from Calgary to London (LON).
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Price to beat on a one-way flight from Calgary to London (LON).
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Find flight deals from Calgary to London

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 June 2025.

Sat 22/111:30 p.m.YYC - LHR
2 stops22h 45mSWISS
Sun 7/126:00 a.m.LHR - YYC
2 stops23h 08mSWISS
Deal found 9/6C$ 967
Mon 25/811:55 p.m.YYC - LGW
1 stop27h 50mPorter Airlines
Mon 8/99:40 a.m.LGW - YYC
1 stop21h 19mPorter Airlines
Deal found 9/6C$ 969
Fri 3/109:20 a.m.YYC - LHR
2 stops14h 10mAir Canada
Mon 13/102:10 p.m.LHR - YYC
1 stop14h 42mAir Canada
Deal found 9/6C$ 969
Mon 24/111:30 p.m.YYC - LCY
2 stops20h 35mSWISS
Thu 11/127:10 p.m.LCY - YYC
2 stops33h 58mSWISS
Deal found 9/6C$ 972
Thu 27/114:30 p.m.YYC - LHR
1 stop12h 20mLufthansa
Sat 6/121:25 p.m.LHR - YYC
2 stops34h 13mLufthansa
Deal found 10/6C$ 972
Wed 23/78:40 a.m.YYC - LGW
3 stops26h 45mMultiple Airlines
Wed 30/710:00 p.m.LGW - YYC
3 stops31h 17mMultiple Airlines
Deal found 10/6C$ 975
Mon 16/61:00 a.m.YYC - STN
2 stops31h 00mMultiple Airlines
Tue 24/610:35 p.m.STN - YYC
1 stop22h 35mMultiple Airlines
Deal found 10/6C$ 975
Tue 17/66:45 a.m.YYC - LHR
1 stop19h 15mAmerican Airlines
Wed 2/712:00 p.m.LHR - YYC
1 stop16h 57mAmerican Airlines
Deal found 9/6C$ 975
Tue 4/115:10 p.m.YYC - LCY
1 stop16h 20mLufthansa
Thu 13/119:40 a.m.LCY - YYC
1 stop12h 45mLufthansa
Deal found 10/6C$ 976
Mon 4/87:00 a.m.YYC - LGW
1 stop20h 45mAir Transat
Tue 26/812:40 p.m.LGW - YYC
1 stop18h 19mAir Transat
Deal found 12/6C$ 978
Fri 13/61:27 p.m.YYC - LHR
1 stop14h 03mBritish Airways
Sun 22/612:00 p.m.LHR - YYC
1 stop16h 57mBritish Airways
Deal found 10/6C$ 979
Tue 23/98:00 a.m.YYC - LHR
2 stops18h 35mAustrian Airlines
Thu 16/102:05 p.m.LHR - YYC
2 stops18h 07mAustrian Airlines
Deal found 10/6C$ 980

Cheapflights Fare Finder

Customize 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 629,999 searches. Data last updated 12 June 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 22/11

1:30 p.m.-7:15 p.m.

2 stops22h 45m

London Heathrow

Sun 7/12

6:00 a.m.-10:08 p.m.

2 stops23h 08m

C$ 967

CalgaryLondon

YYC - LGW

YYCLGW

Calgary

Mon 25/8

11:55 p.m.-10:45 a.m.

1 stop27h 50m

London Gatwick

Mon 8/9

9:40 a.m.-11:59 p.m.

1 stop21h 19m

C$ 969

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

Fri 3/10

9:20 a.m.-6:30 a.m.

2 stops14h 10m

London Heathrow

Mon 13/10

2:10 p.m.-9:52 p.m.

1 stop14h 42m

C$ 969

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

Thu 27/11

4:30 p.m.-11:50 a.m.

1 stop12h 20m

London Heathrow

Sat 6/12

1:25 p.m.-4:38 p.m.

2 stops34h 13m

C$ 972

CalgaryLondon

YYC - LCY

YYCLCY

Calgary

Mon 24/11

1:30 p.m.-5:05 p.m.

2 stops20h 35m

London City

Thu 11/12

7:10 p.m.-10:08 p.m.

2 stops33h 58m

C$ 972

CalgaryLondon

YYC - LGW

YYCLGW

Calgary

Wed 23/7

8:40 a.m.-6:25 p.m.

3 stops26h 45m

London Gatwick

Wed 30/7

10:00 p.m.-10:17 p.m.

3 stops31h 17m

C$ 975

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

Thu 11/9

6:29 a.m.-12:15 p.m.

1 stop22h 46m

London Heathrow

Fri 17/10

1:10 p.m.-12:32 p.m.

1 stop30h 22m

C$ 975

CalgaryLondon

YYC - LGW

YYCLGW

Calgary

Thu 7/8

11:55 p.m.-7:55 a.m.

1 stop25h 00m

London Gatwick

Wed 20/8

9:40 a.m.-11:59 p.m.

1 stop21h 19m

C$ 976

CalgaryLondon

YYC - LCY

YYCLCY

Calgary

Tue 4/11

5:10 p.m.-4:30 p.m.

1 stop16h 20m

London City

Thu 13/11

9:40 a.m.-3:25 p.m.

1 stop12h 45m

C$ 976

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

Thu 26/6

6:45 a.m.-9:00 a.m.

1 stop19h 15m

London Heathrow

Mon 30/6

2:25 p.m.-11:29 p.m.

1 stop16h 04m

C$ 979

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/6

Showing 1-10 of 53 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 round-trip 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 round-trip flight from Calgary to London. Price data was last updated on 9 June 2025.

The price you pay for your flight from Calgary to London may vary depending on when you book. For the best chance of a lower fare, look to book 59 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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 C$ 560). Flying from Calgary to London in July is currently the most expensive (average of C$ 857). 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 June 2025.

It’s typically best to fly out from Calgary to London in the morning. Doing so could potentially save you 44% on the flight price compared to flying in the afternoon, which is usually more expensive.

What is the cheapest day to fly from Calgary to London?

Use this chart to determine the cheapest time to fly round-trip from Calgary to London. Price data was last updated on 16 December 2024.

Travelers seeking maximum savings on their Calgary to London flight should consider departing on Tuesday at noon when fares are most often at their lowest. Saturday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

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 June 2025.

The most flights from YYC to LON are scheduled on a Monday (11 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (10 on average).

Rainfall in London by month

Plan your trip to London by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in London ranges from 40.0 - 70.0 mm per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London when rainfall is around 40.0 mm.

Temperature in London by month

Plan your trip to London by taking into account the average temperature totals by month.

If weather is an important factor for your trip to London, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

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 June 2025.
To help decide which airline to fly from Calgary to London, see what other customers have to say about Delta, Porter Airlines and KLM. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,950 reviews
Check prices

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,950 reviews
Delta
8.0
Very good
7,950 reviews
Check prices

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Porter Airlines
8.0
Very good
288 reviews
Delta
8.0
Very good
7,950 reviews
Check prices

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
KLM
7.8
Good
1,358 reviews
Delta
8.0
Very good
7,950 reviews
Check prices

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Air Transat
7.8
Good
396 reviews
Delta
8.0
Very good
7,950 reviews
Check prices

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Austrian Airlines
7.6
Good
802 reviews
Delta
8.0
Very good
7,950 reviews
Check prices

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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?

    Most people fly from Calgary (YYC) if they book a flight from Calgary to London. On average, Calgary has 10 outbound flights to London per day from 9 airlines. Calgary is conveniently located just 9.3 km from Calgary’s city centre.

  • What are the cheapest airlines flying from Calgary to London round-trip?

    SWISS, at C$ 967, was found to be the cheapest airline from Calgary to London.Alternate airlines to your destination round-trip include Porter Airlines and Air Canada. SWISS is currently priced 6% below the average price you’ll pay for this route.

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

    C$ 463 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 United Airlines, with prices starting from C$ 477 and C$ 550, respectively.

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

    The most popular route from Calgary to London is Calgary - London Heathrow. You may also consider Calgary - London Gatwick or Calgary - London City.

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

    Before booking your flight to London from Calgary, check out the most reliable airlines to get you to your destination on time: Croatia Airlines (100%), Air Canada (93%), Aegean Airlines( 93%).

  • What are the cheapest flights from Calgary to London?

    On average you can expect to pay C$ 2,976 for a flight from Calgary to London. The cheapest flight overall is C$ 326 while the most popular route, (Calgary - London Heathrow) is currently priced at C$ 827.

  • 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 vacation 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 C$ 560). Flying from Calgary to London in July is currently the most expensive (average of C$ 857). 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 Calgary?

Book flights to Calgary if you plan to visit one of these locations
Brentford
Sutton
Hounslow
Slough
Milton Keynes
Romford
Watford
Luton
Bromley
Bedford
Southall

Browse thousands of different options on Cheapflights for your next trip

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Fly from Calgary to London on these airlines

Choose from the following airlines for your flight from Calgary to London. Flights are based on user searches made on Cheapflights and were last updated on 12 June 2025.
WestJet flights from Calgary to London
Air Canada flights from Calgary to London
Air Transat flights from Calgary to London

Top 9 airlines flying from Calgary to London

Discover the top 9 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 629,999 searches. Data last updated 12 June 2025.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 625AverageC$ 1,052FlexibilityNo cancel feeOn-time60%
Search WestJet flights
KLMCheapestC$ 693AverageC$ 1,038FlexibilityNo cancel feeOn-time75%
Search KLM flights
Virgin AtlanticCheapestC$ 700AverageC$ 847FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
Air CanadaCheapestC$ 765AverageC$ 1,173FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
LufthansaCheapestC$ 769AverageC$ 1,208FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
DeltaCheapestC$ 797AverageC$ 1,255FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Air TransatCheapestC$ 799AverageC$ 1,102FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
Porter AirlinesCheapestC$ 824AverageC$ 996FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
British AirwaysCheapestC$ 941AverageC$ 1,169FlexibilityNo cancel feeOn-time70%
Search British Airways flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers 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?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to London from Calgary today with Cheapflights!

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

Cheapflights helps you find that perfect flight to London from Calgary by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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

Certainly. Search results for flights to London from Calgary shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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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