Delta charges $25 USD/CDN for the first checked bag and $35 for a second when you pay at airport ticket counter, kiosk, or curbside. Online payments are discounted $2-$3. A third checked bag is $125.Fees increase to $200, beginning with the fourth checked bag.n international flights between the U.S., Canada and South America (except Brazil, Chile and Peru) to/from Europe, one carry-on and one checked bag are permitted for free, with a baggage fee of $100 for the second bag and $200 for each additional piece.