SEOUL — Several changes have been made to Korean Air’s 2018 summer season, including its Toronto frequency.

Commencing March 25, increased service frequency has been announced for key long-haul routes between Korean Air’s hub at Incheon International Airport, Seoul and Europe and North America. Toronto will see a boost in service, going up from five times a week to daily.

In the U.S., flights between Incheon and Dallas, Texas will increase on March 25 from four times a week to five times a week (Mon/Wed/Thu/Sat/Sun), while Incheon-Seattle will increase from five times a week to daily as of May 1.

In addition, the airline will boost frequency of some European routes, including Incheon-Rome, which will go daily, as well as Incheon-Prague, increasing to four times a week (Mon/Wed/Fri/Sat). The Incheon to Madrid service will be operated four days a week (Tue/Thu/Sat/Sun), while flights between Incheon and Istanbul will also be increased to four times a week (Mon/Wed/Fri/Sun).

Meanwhile, starting April 19, Korean Air will resume operating its direct flight to St. Petersburg, and from April 23 to Irkutsk. These Russian routes do not operate in the winter season due to low demand.

Korean Air will deploy recently introduced aircraft such as B787-9 and B747-8i on the main American and European long-haul routes, where the demand is expected to grow during the summer season.

The summer schedule will begin on the last Sunday of March, with the winter schedule commencing on the last Sunday of October. The official summer schedule for 2018 will therefore run from March 25 until Oct. 27.