4. Singapore–Athens Scoot

Singapore Airlines’ low-cost subsidiary is branching out to Europe with a long-haul service to the Greek capital come June 20. Scoot will utilize its fleet of Boeing 787-8 Dreamliners to make the trip four times a week, with space for 329 including 18 in business class. The scheduled journey time of 11 and a half hours makes it one of the longest flights operated by any budget airline ( flyscoot.com).