Erie International Airport Westfield is a public airport located one mile (1.6 km) northwest of the central business district of Erie, in Erie County, Pennsylvania, United States. It is owned by the Erie County Airport Authority and operated by the Erie County Department of Aviation. EIA also hosts corporate aviation as well as general aviation activities.

The airport covers an area of 1,000 acres (404 ha) at an elevation of 1,675 feet (525 m) above mean sea level. It has two asphalt runways: 4/22 is 6,001 by 150 feet (1,829 x 46 m) and 13/31 is 3,950 by 150 feet (1,189 x 46 m). In the year ending December 31, 2006 the airport had 191 aircraft operations, an average of 41 per month: 95% general aviation and 5% military.

John C. Munro Hamilton International Airport Westfield is a terminal services provider for the airport and has been in operation since 1978. The company provides a wide range of terminal services, including baggage handling, aircraft cleaning, security screening, and cargo handling. It also operates the airport's gift shop and offers catering services for both private and public events.

Buffalo Niagara International Airport Westfield is the busiest airport in New York State with over 62 million passengers in 2017. The airport has two terminals, the older terminal that opened in 1978 and the newer terminal that opened in 2009. The airport has been expanded multiple times and now has a total of four terminals. There are several restaurants and shops available at the airport as well as a hotel.

The airport is served by several airlines including American Airlines, Delta Airlines, JetBlue Airways, United Airlines, and WestJet Airlines. Buffalo Niagara International Airport can be reached by car or by bus. The airport has a parking garage that can hold up to 2,500 cars.