Find Delta Air Lines(DL) flights from Seattle to Cincinnati

At the moment, you can catch a nonstop flight from Seattle to Cincinnati with the following airlines, including: Alaska Airlines Hawaiian Airlines Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.

It takes around 4 hours 18 minutes to fly from Seattle (SEA) to Cincinnati (CVG).

By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Seattle to Cincinnati is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.

Based on Trip.com data in the past 4 weeks, there is 10 flight per week flying from Seattle to Cincinnati. You can check the weekly schedule for popular airlines on this route below: Alaska Airlines: S/M/T/W/T/F/S -- AS508 (11:11)

The cheapest months to fly from Seattle to Cincinnati is October, when demand for travel is lower.

After crunching the numbers on our December flight calendar, it's currently cheapest to fly from Seattle to Cincinnati on December 13, 2025 with Delta Air Lines, with prices starting at NZD 328.

You can land at any one of the following hubs in Cincinnati, with Seattle–Tacoma International Airport to Cincinnati/Northern Kentucky International Airport (SEA-CVG) is by far the most common option on this route: Cincinnati/Northern Kentucky International Airport (CVG) Lunken Airport (LUK).

The time difference between Cincinnati and Seattle is 3h.

Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.