Newark Liberty International Airport
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Location: Newark, New Jersey
Airport Code: EWR
Although Newark Liberty is located in New Jersey, it serves as one of New York City's three main airport hubs. In 2016, it underwent a $2.3 billion renovation of Terminal A, which was built back in 1973, to handle the 46 million annual travelers. It often offers cheaper flights than its neighboring JFK and LaGuardia airports.
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Seattle-Tacoma International Airport
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Location: Seattle, Washington
Airport Code: SEA
Locals call this airport SEA-TAC. In addition to being the main airport for points in the Pacific Northwest, SEA-TAC is a hub for Alaska Airlines. It is conveniently located 18 kilometers from downtown Seattle, meaning a 20 minute drive without traffic.