Cheap Alaska Airlines flights Columbus (CMH) to Seattle (SEA)

Landing cheap one-way Alaska Airlines flights from CMH to SEA on Expedia is easy — just filter by “Price (lowest to highest).” Or check out our budget-friendly round-trip fares for your next break.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines flights to Seattle are generally more affordable in the low-season months of January and February. Whether you’re in search of a round-trip or one-way ticket, you could score a better deal then.

Begin your search one to three months ahead of your departure date to score cheap fares on Alaska Airlines flights from John Glenn Columbus Intl. Airport (CMH) to Seattle - Tacoma Intl. Airport (SEA). You can save 25% by booking your domestic flight 34 to 86 days in advance compared to last-minute reservations made 6 to 12 days out. You could also cut costs by buying your fare on a Sunday, as it’s 6% cheaper on average than a Monday, the most expensive day to book.* Get your timing right, and you can enjoy significant savings on domestic flights.*Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC’s global airline sales database.

Hop on one of Alaska Airlines’s 5 direct weekly flights from John Glenn Columbus Intl. Airport (CMH) to Seattle - Tacoma Intl. Airport (SEA). To see your options, enter your travel dates, origin and destination and hit search. Next, apply the “Nonstop” and “Airline” filters.

On average, it takes 5h 18m to travel nonstop from John Glenn Columbus Intl. Airport (CMH) to Seattle - Tacoma Intl. Airport (SEA) with Alaska Airlines.

Leaving CMH at 6:17PM UTC-5, the earliest Alaska Airlines flight to SEA lands at 8:35PM UTC-8. Flying earlier in the day means you’ll be less likely to encounter cancellations or delays.* Not a morning person? The last Alaska Airlines flight from CMH to SEA departs at 6:17PM UTC-5 and touches down at 8:35PM UTC-8.*Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.

Alaska Airlines flights from John Glenn Columbus Intl. Airport (CMH) to Seattle come in to Seattle - Tacoma Intl. Airport (SEA). This is the main entry point here.

Alaska Airlines makes flying from CMH to SEA more enjoyable with an excellent in-flight experience and a rewarding loyalty program. You may even earn points with Mileage Plan. Be sure to join our free One Key™ rewards program to earn OneKeyCash™*, which can be redeemed on future bookings.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

Alaska Airlines generally uses Boeing 737-900 planes for flights from John Glenn Columbus Intl. Airport (CMH) to Seattle - Tacoma Intl. Airport (SEA). This carrier also operates the Boeing 737-800 on this route. Keep in mind that aircraft type can vary due to operational reasons, so the plane you board could be different on your travel date.

In most cases, you can cancel or modify your flight, although there may be a charge if you booked more than 24 hours ago. Need to keep your options open? Apply the “Changes included” or “No cancel fee” filter to find flights that won’t penalize you if you need to alter your plans. To modify your itinerary, visit “Trips,” select your flight and click on “Manage Booking” for further information.