KLM Royal Dutch Airlines will buy 3 Boeing Co.'s single-aisle 737s and two extended-range widebody 777s.
KLM also took out options for one additional 737 and two extra 777s.
Financial terms were not disclosed.
Boeing said the planes are worth $716 million (483 million EUR) at list prices, though airlines typically negotiate discounts. The order was previously attributed to an unnamed customer.
With its most recent order, KLM has six 777-300ERs on order and is scheduled to take delivery of its first one in the first quarter of next year. KLM's current fleet includes 15 777-200ERs, some of them owned, others leased.
The airline said the 737-700s will be used to strengthen its short-haul fleet.
Representatives of the Israeli Defence Ministry responded to recent reports about the possible delivery of S-300 SAM systems from Russia to Syria. Israeli Defence Minister Avigdor Lieberman said that Israel would destroy those systems
Russia is to start supplying S-300 air defence systems to Syria in the near future. The shipments will be conducted free of charge