The cheapest times to fly from YYC to STN are

  • February 5th to February 18th
  • March 5th to June 10th (except the week of March 12th)
  • August 6th to October 21st

based on data collected exclusively by Champion Traveler across tens of millions of flights. Among all the dates above, the very cheapest time to fly from YYC to STN is early to mid May. Prices can be as high as $2239 for Sunday flights during early July, or as low as $739 for Thursday flights around early to mid May.


When to Fly to London

Flying from Calgary (YYC) to London (STN) will usually cost between $767 to $1604 per person if booking more than four weeks in advance. On average the very cheapest time to fly is early to mid May with an average ticket price of $756. Due to high demand the most expensive time to fly is early July, with an average price of $1439. Planning your trip to low-cost times can easily save you $684 on economy flights and even more on first-class flights. Generally, any price below $860 can be considered a good price for a round-trip YYC to STN flight.

See below for a graph of average weekly prices for the YYC to STN route. All prices are for round-trip tickets in USD.

YYC to STN Flight Prices

Compared to other flights, the YYC to STN flight is cheaper than the average and costs more than the average flight leaving from Calgary. The average price per mile (for a direct flight) is $0.12, which is far below average.


Flight Prices by Day of the Week

Thursday is usually the cheapest day to fly to STN, and Tuesday the cheapest day to fly back into YYC. Sundays are the most expensive days to fly to London, and Fridays are the most expensive days to return to Calgary. Selecting flights on the least expensive days could save you up to $506 (34%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Thursday and returning a week later will cost an average of $909. Return trip prices are from the STN to YYC flight, and often highlight the quality of our data in showing the same trend.

Departing Prices by Day

Departure Day Prices

Return Trip Prices by Day

Return Day Prices


Nonstop Flights and Layovers

Travelers looking to fly from YYC to STN can generally find a 2-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 8 hour 49 minutes may not be realistic.


Alternative Nearby Airports

Champion Traveler tells you which airports are nearby and whether tickets might be cheaper alternative airports nearby. Sometimes it’s worth it to fly into a closer airport and then commute to your destination. Remember that there is not usually a nonstop flight from YYC to STN while comparing.

Destination alternative #1: London Gatwick Airport (LGW) in London

  • 54 miles (87 km) away from STN
  • Usually 37.56% less expensive than STN
  • Nonstop flights available

See YYC to LGW flights

Destination alternative #2: London Heathrow Airport (LHR) in London

  • 41 miles (66 km) away from STN
  • Usually 31.74% less expensive than STN
  • Nonstop flights available

See YYC to LHR flights


Flight Hacking YYC to STN

Flight hacking is when you book two tickets instead of a layover, sometimes with different airlines. You will need to either bring only a carry-on bag (highly recommended) or leave yourself plenty of time to go through security again. Flight hacking is completely allowed, but airlines don’t always tell you the cheapest way to get from YYC to STN — but Champion Traveler does!

Hack #1: Dublin (YYC > DUB > STN)

  • Price for both tickets: $723
  • Average savings: $138 (15.99%)

See YYC to AMS flights

Hack #2: Amsterdam (YYC > AMS > STN)

  • Price for both tickets: $830
  • Average savings: $30 (3.49%)

See YYC to DUB flights


Flight Questions Answered

Still have questions about flying from YYC to STN? We’ve got answers.

Which airlines fly this route?

You can find 7 major airlines flying this route most often: Air Canada, British Airways, Brussels Airlines, Eurowings, Lufthansa, SAS, United, and potentially more during busy seasons.

How far away is it from London Stansted Airport to Calgary International Airport?

The distance between the two airports is roughly 4355 miles or 7009 kilometers.

How long does it take to fly from YYC to STN?

The real-world flight time for a nonstop YYC to STN flight is about 8 hour 49 minutes.

How many flights go between Calgary and London?

It depends on the day of the week and the date, but a typical day might have around 34 available flights from YYC to STN.


Airport Location Info


Departing Airport

Origination codeYYC
Origination airport nameCalgary International Airport

Return Airport

Destination codeSTN
Destination airport nameLondon Stansted Airport
Countrythe United Kingdom


Other Resources

Please note that while we’ve worked hard to analyzed tens of millions of flights to get you this data, we do not calculate current live prices or guarantee pricing. Please see our partners using the links above for current offers.