Bellingham is located along western America's Interstate-5 corridor, nearly equidistant from Seattle and Vancouver, British Columbia. State Routes 11, 539, 542, and 544 form a highway grid that covers most of the interior of western Whatcom County, linking with I-5 near Bellingham. Bellingham International Airport provides service to more than 250,000 passengers annually. Horizon Airlines flies passengers to the Seattle-Tacoma International Airport, Allegiant Air provides direct service four times each week to Las Vegas, NV, and San Juan Airlines runs daily to Friday Harbor and San Juan Island. The Airporter Shuttle delivers passengers to local points. At the Port of Bellingham, the Bellingham Cruise Terminal and Fairhaven Station launch cruises by ferry to Alaska, the San Juan Islands, and Victoria, British Columbia. Amtrak provides passenger rail service to Seattle and Vancouver, B.C., and Canadian Pacific and Canadian Rail travel east through Canada. Regional bus service is offered by Greyhound Bus Lines.
Interstate 5 runs north and south through the center of Bellingham. State Highway 11 runs north and south down the coast of Bellingham Bay at the south end of town. The Whatcom Transportation Authority provides local bus service around Bellingham and to Blaine, Ferndale, and Lynden.