Port Columbus International Airport (CMH) serves Columbus; Seattle Tacoma International Airport (SEA) serves Seattle.
The airports are 2,011 miles apart by great-circle distance.
Roame's current schedule feed shows nonstop service from CMH to SEA.
Marketing airlines listed in the current schedule, including codeshare sellers, are American Airlines (AA), Alaska Airlines (AS), Finnair (AY) and Cathay Pacific (CX). This list does not identify the operating airline for each flight; check the flight details before booking.
Published schedule dates span Nov 10, 2026 – Oct 30, 2027.