Boeing

(BA) - Get Report

is close to a deal to sell 12 new 737-800 planes to EgyptAir for $850 million, in what would mark another victory for the Chicago aerospace giant over rival

Airbus

.

Sherif Galal, the chief executive of EgyptAir, told reporters Friday the state-owned carrier would sign a contract for the planes next week, according to

Reuters

. Galal said his company chose Boeing's offer because it gave EgyptAir "numerous advantages."

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A Boeing spokesman confirmed EgyptAir has accepted Boeing's proposal but noted it was not yet a definitive order. Boeing anticipates finalizing the order in July, he said, adding, "we're happy they've shown confidence in the 737."

Boeing is trying to wrest back leadership in the world market for commercial planes from Airbus, a joint venture of the

European Aeronautic Defence & Space Co.

and

BAE Systems

.

The EgyptAir news follows Boeing's confirmation Thursday that Lion Air, Indonesia's first low-cost airline, has a preliminary agreement to purchase as many as 60 next-generation 737s. Rumors of a large Lion Air order lifted Boeing's stock price in early March.

Boeing shares were up 7 cents, or 0.1%, at $63.06.