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$184+ Cheap flights from Calgary (YYC) to London (LON)

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 1/15. Fares are subject to change and may not be available on all flights or dates of travel.
YYC — LON
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Find cheap flights from Calgary to London with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

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3. Compare prices and book

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

Cheap 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 December 18, 2025.

This Kiwi.com deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/317:30 pmYYC - LGW
1 stop15h 15mMultiple Airlines
Tue 1/138:15 amLGW - YYC
1 stop14h 45mMultiple Airlines
Deal found 12/16$794
This Air Canada deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/316:25 pmYYC - LHR
Nonstop8h 45mAir Canada
Tue 1/133:00 pmLHR - YYC
Nonstop9h 00mAir Canada
Deal found 12/16$823
This United Airlines deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/316:15 amYYC - LHR
1 stop20h 25mUnited Airlines
Mon 2/212:00 pmLHR - YYC
3 stops32h 08mUnited Airlines
Deal found 12/17$929
This United Airlines deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/316:15 amYYC - LHR
1 stop20h 25mUnited Airlines
Tue 1/1312:50 pmLHR - YYC
3 stops31h 18mUnited Airlines
Deal found 12/16$967
This Air Canada deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/186:15 amYYC - LHR
1 stop20h 25mAir Canada
Tue 12/236:00 pmLHR - YYC
1 stop21h 43mAir Canada
Deal found 12/17$1,192
This Air Canada deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/232:13 pmYYC - LHR
1 stop12h 27mAir Canada
Tue 12/303:00 pmLHR - YYC
Nonstop9h 00mAir Canada
Deal found 12/16$1,207
This Ovago deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/226:30 amYYC - LHR
1 stop20h 30mMultiple Airlines
Mon 12/292:10 pmLHR - YYC
1 stop29h 41mMultiple Airlines
Deal found 12/17$1,208
This British Airways deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2212:45 pmYYC - LHR
2 stops47h 35mBritish Airways
Wed 12/314:30 pmLHR - YYC
1 stop26h 09mBritish Airways
Deal found 12/17$1,216
This British Airways deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/236:30 amYYC - LHR
2 stops32h 30mBritish Airways
Wed 12/314:30 pmLHR - YYC
1 stop26h 09mBritish Airways
Deal found 12/17$1,223
This Kiwi.com deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2211:15 amYYC - LGW
1 stop36h 55mMultiple Airlines
Mon 12/297:00 amLGW - YYC
1 stop16h 00mMultiple Airlines
Deal found 12/17$1,370
This SmartFares deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/234:30 pmYYC - LGW
1 stop34h 15mAir Transat
Tue 12/3011:40 amLGW - YYC
1 stop18h 47mAir Transat
Deal found 12/16$1,447
This Kiwi.com deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/217:30 pmYYC - LGW
1 stop29h 00mMultiple Airlines
Mon 1/57:55 amLGW - YYC
1 stop15h 05mMultiple Airlines
Deal found 12/17$1,564

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 December 18, 2025.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$451
(Kiwi.com)

One-way from

$184
(Kiwi.com)

Popular in

July

Cheapest in

January

Average price

$872

Good round-trip deal

$692 or less

Good one-way deal

$326 or less
Provider with most accurate pricing for Calgary-London (LON) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Calgary-London (LON) flights.
Search Deals
From Calgary to London (LON)
Search Deals
One-way flight from Calgary to London (LON)
Search Deals
Highest demand for flights based on searches. 18% potential increase in price ($170 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($21 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 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

 
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 2,558,603 searches. Data last updated December 18, 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

Fri 1/16

7:40 am-7:05 am

2 stops16h 25m

London Heathrow

Fri 1/23

6:30 am-1:40 pm

1 stop14h 10m

$568

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

Sun 3/1

6:30 am-10:15 am

2 stops20h 45m

London Heathrow

Mon 3/9

6:30 am-2:40 pm

1 stop14h 10m

$569

CalgaryLondon

YYC - LGW

YYCLGW

Calgary

Sat 1/31

7:00 am-9:45 am

1 stop19h 45m

London Gatwick

Sat 2/7

11:40 am-11:42 am

1 stop31h 02m

$581

CalgaryLondon

YYC - LGW

YYCLGW

Calgary

Tue 2/24

7:00 am-9:45 am

1 stop19h 45m

London Gatwick

Tue 3/3

11:40 am-3:32 pm

1 stop34h 52m

$581

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

Thu 1/15

6:30 am-7:05 am

1 stop17h 35m

London Heathrow

Thu 1/22

6:30 am-8:54 pm

2 stops21h 24m

$592

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

Fri 1/16

6:30 am-7:05 am

1 stop17h 35m

London Heathrow

Sun 1/25

8:40 am-8:54 pm

2 stops19h 14m

$592

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

Thu 3/5

6:30 am-7:05 am

1 stop17h 35m

London Heathrow

Mon 3/9

6:30 am-8:45 pm

2 stops20h 15m

$592

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

Fri 1/16

6:30 am-7:05 am

1 stop17h 35m

London Heathrow

Tue 1/27

8:40 am-8:54 pm

2 stops19h 14m

$592

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

Fri 2/27

6:30 am-7:05 am

1 stop17h 35m

London Heathrow

Tue 3/10

8:40 am-8:45 pm

2 stops18h 05m

$592

CalgaryLondon

YYC - LGW

YYCLGW

Calgary

Thu 1/15

12:30 am-10:00 am

2 stops26h 30m

London Gatwick

Fri 1/23

8:30 am-4:00 pm

1 stop14h 30m

$640

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

Showing 1-10 of 38 results
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Compare providers for flights from Calgary to London

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Calgary to London in December.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 stars
MytripPrice Accuracy3 starsTrust Score*3 stars
Kiwi.comPrice Accuracy3 starsTrust Score*3 stars
oojoPrice Accuracy3 starsTrust Score*3 stars
CheapTicketsDealPrice Accuracy3 starsTrust Score*3 stars
SmartFaresPrice Accuracy1 starTrust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Calgary-London flights, users find the pricing of Mytrip to be most consistent on Cheapflights vs. Mytrip Users can find the same prices on Calgary-London flight deals on Cheapflights vs. Mytrip >95% of the time. Price accuracy is based on data collected from Calgary-London flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Calgary-London flights, Cheapflights users trust Mytrip the most. Mytrip has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Calgary-London flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 December 12, 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 $422). Flying from Calgary to London in August is currently the most expensive (average of $620). 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 December 18, 2025.

It’s optimal to fly from Calgary to London at noon. By choosing this option you can save up to 21% on the cost of your flight, compared to a flight in the afternoon.

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 December 16, 2024.

Travelers seeking maximum savings on their Calgary to London flight should consider departing on Monday mornings when fares are most often at their lowest. Sunday 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 December 18, 2025.

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

How much does it cost to fly round-trip from Calgary to London?

What’s the top layover airport for flights from Calgary to London?

Share of 1-stop round-trip flights from Calgary to London chosen by Cheapflights users in the past 12 months, using the same layover each way.

Chicago (ORD) – chosen by Cheapflights users on 33% of 1-stop itineraries from Calgary to London on Cheapflights.

What’s the cheapest layover airport for flights from Calgary to London?

Average round-trip fare for 1-stop flights from Calgary to London, chosen by Cheapflights users in the past 12 months, with the same layover each way.

Chicago (ORD) is the most affordable 1-stop option, with an average round-trip price of $911.

What’s the fastest layover option from Calgary to London?

Shortest average travel time for 1-stop one-way flights from Calgary to London, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.

Flights via Montreal (YUL) have the shortest average one-way travel time for 1-stop routes: 11h 40m.

Which airport typically offers the quickest layover for flights from Calgary to London?

Average layover duration for 1-stop one-way flights from Calgary to London, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Toronto (YYZ) offer the fastest connection on this route, with an average layover time of 2h 18m.

How often are flights from Calgary to London delayed?

About 17% of weekly flights between Calgary and London have experienced delays in the past year, with the average delay time being 132 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?

Wednesday tends to have the lowest number of delays on this route, whereas Sunday 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 last year, Air Canada have had the lowest number of delays on this route, with just 13% of flights being delayed.

The best insider tips for Calgary to London flights

AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Calgary to London trip
Airports
YYC

For a quick snack, try Chachi’s Sandwich Bar before security for gourmet sandwiches with artisan bread and homemade pickles.

Read more about YYCBy Jenna Scatena
LHR

Take the Heathrow Express for the fastest route to central London, arriving at Paddington Station for easy connections.

Read more about LHRBy Ramsey Qubein
Our travel experts
Jenna Scatena

Jenna Scatena

Expert on YYC

Jenna Scatena

Jenna Scatena

Journalist and Travel Writer, Jenna Scatena is an award-winning travel writer with a love for sharing stories and exploring new places, especially by Vespa. Though she's from San Francisco, she has spent a significant chunk of her vacation days over the last decade eating her way through Texas and sleeping in hotels around the world—especially in California, the Middle East, and Europe.

Read more
Ramsey Qubein

Ramsey Qubein

Expert on LHR

Ramsey Qubein

Ramsey Qubein

An avid traveler and aviation expert who has visited 173 countries, all 50 states and seven continents, Ramsey Qubein flies nearly 400,000 miles a year. As a North Carolina-based freelance journalist for publications including Conde Nast Traveler, Forbes, USA Today and Bloomberg among others, he explores the latest trends in aviation, hospitality, cruises and business.

Read more

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 December 18, 2025.
See what other customers who have flown with Air Transat, WestJet, and Air Canada from Calgary to London have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Air Transat
7.8
Good
483 reviews

Entertainment

7.1

Comfort

7.3

Food

6.8

Boarding

7.9

Crew

8.4

Overall

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 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
483 reviews
Air Transat
7.8
Good
483 reviews

Entertainment

7.1

Comfort

7.3

Food

6.8

Boarding

7.9

Crew

8.4

Overall

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 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
3,204 reviews
Air Transat
7.8
Good
483 reviews

Entertainment

7.1

Comfort

7.3

Food

6.8

Boarding

7.9

Crew

8.4

Overall

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 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
10,534 reviews
Air Transat
7.8
Good
483 reviews

Entertainment

7.1

Comfort

7.3

Food

6.8

Boarding

7.9

Crew

8.4

Overall

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 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
7,635 reviews
Air Transat
7.8
Good
483 reviews

Entertainment

7.1

Comfort

7.3

Food

6.8

Boarding

7.9

Crew

8.4

Overall

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 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?

    Calgary (YYC) is the airport you will fly out of if you book a flight from Calgary to London. You should not have trouble finding flights to London from Calgary; the airport handles an average of 12 outbound flights to London per day. You should also have plenty of airline options to choose from since 4 airlines have flights from the Calgary airport to London. It is only a 5.8 mi journey to Calgary (YYC) from Calgary’s city center.

  • How long is the flight from Calgary to London?

    For as low as $568, Delta can have you in London from Calgary in 16h 25m. Calgary and London are separated by a distance of 4355 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    According to our current data, WestJet ($462), Air Canada ($538), and Lufthansa ($560) offers the cheapest pricing from Calgary to London. WestJet is 36% cheaper than the average price of flights available within the next 90 days to this destination.

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

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Calgary to London on time: Croatia Airlines (100%), United Airlines (81%), Air Canada (68%).

  • What are the cheapest flights from Calgary to London?

    Looking for the cheapest flight from Calgary to London? While on average our users pay $1,297, our data indicates the cheapest price to be $193. The most popular route (Calgary - London Heathrow), is priced around $561.

  • 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, February is the cheapest month in which you can book a flight from Calgary to London (average of $422). Flying from Calgary to London in August is currently the most expensive (average of $620). 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

Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
Ilford
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Harrow
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Alternative routes for Calgary to London

See prices for flight routes from nearby airports that may be better suited for you.
Calgary to Heathrow flights
Edmonton to Heathrow flights
Calgary to Edinburgh flights
Calgary to Gatwick flights

Top 4 airlines flying from Calgary to London

Discover the top 4 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 2,558,603 searches. Data last updated December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapest$476Average$840FlexibilityNo cancel feeOn-time60%
Air CanadaCheapest$540Average$824FlexibilityNo cancel feeOn-time67%
LufthansaCheapest$560Average$911FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$698Average$820FlexibilityNo cancel feeOn-time70%

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