West Wind Aviation Limited Partnership was a Saskatchewan based airline.

Under its ExpressAir banner, West Wind formerly offered scheduled service between Regina, Saskatoon and Prince Albert. Service in northern Saskatchewan and Nunavut were provided under the Pronto Airways banner. In 2015 West Wind Aviation absorbed Osprey Wings which was established in 1979.^[4]

Its main commercial rival was Prince Albert-based Transwest Air which became a subsidiary of West Wind Aviation July 1, 2016, and all scheduled flights are operated by Transwest.

In January 2021, it was announced West Wind Aviation will be merged with Transwest Air and renamed Rise Air.^[5]

As of February 2020, West Wind Aviation had the following aircraft registered with Transport Canada.^[3]

In addition the Transport Canada site lists a Cessna 414 and three Cessna 401s (one Cessna 401 and two Cessna 401B) with cancelled certificates.^[3]

West Wind operates fixed-base operations at the Saskatoon and Regina airports under Shell Canada's AeroCentre franchise.^[6] Under the International Air Services brand, West Wind provides airport terminal services to charter and international airlines at the Saskatoon, Regina and Winnipeg airports.^[7] In addition, under the Lancaster Fuel brand, the company provides aviation fuel to smaller airports and private operators in the province.^[8]

• West Wind Aviation Flight 280, an ATR42 aircraft crashed with 22 passengers and 3 crew on board at Fond-du-Lac, approximately 1 km from the airport, immediately after taking off from the airport, on December 13, 2017. The aircraft was destroyed but everyone on board initially survived, 1 passenger died of his injuries 12 days later.^[9]