Air Europa first announced its intention to order the airplanes, plus purchase rights for an additional 16, last month at the Paris Air Show.
The order is valued at approximately $1.2 billion at list prices. Deliveries begin in 2007, with three new airplanes to be delivered annually.
Air Europa, headquartered in
Boeing claims the Next-Generation 737 flies 305 nautical miles further, and has operating costs that are four to 10 percent lower, than its nearest competitor.