Cheap flights from Cincinnati Northern Kentucky to Seattle / Tacoma International

Compare Cincinnati Northern Kentucky to Seattle / Tacoma International flight deals

Find the cheapest month or even day of the year to fly to Seattle / Tacoma International

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Flight deals from Cincinnati Northern Kentucky to Seattle / Tacoma International

Looking for a cheap last-minute deal or the best return flight from Cincinnati Northern Kentucky to Seattle / Tacoma International? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Cincinnati Northern Kentucky to Seattle / Tacoma International

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Cincinnati Northern Kentucky to Seattle / Tacoma International flights are currently cheapest in April.

Direct flights from Cincinnati Northern Kentucky to Seattle / Tacoma International

Cincinnati Northern Kentucky to Seattle / Tacoma International: Alternative routes

Compare routes from Cincinnati Northern Kentucky to Seattle below. You may find an airport to fly into that's cheaper, faster, or easier than Seattle / Tacoma International.

Cincinnati to Seattle: Flight information

The things to know before you go.
Cheapest flight foundP11,110
Cheapest month to flyApril
Average flight time5 hrs, 3 mins
Most popular airlineAlaska Airlines
Average flights per week71

Finding cheap flights from Cincinnati Northern Kentucky to Seattle / Tacoma International: Frequently asked questions

The best price we found for a return flight from Cincinnati Northern Kentucky to Seattle / Tacoma International is P11,110. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
5 hours and 3 minutes is the average flight time from Cincinnati Northern Kentucky to Seattle / Tacoma International.
Alaska Airlines, American Airlines and Hawaiian Airlines fly direct from Cincinnati Northern Kentucky to Seattle / Tacoma International.
As of February 2026, there are 71 flights per week flying from Cincinnati Northern Kentucky to Seattle / Tacoma International.
The cheapest month to fly from Cincinnati Northern Kentucky to Seattle / Tacoma International is usually April.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Cincinnati Northern Kentucky Airport to Seattle / Tacoma International Airport on Friday, 17 April 2026.
Yes – the average flight time is 5 hours and 3 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Seattle / Tacoma International but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Seattle is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Frontier Airlines and Delta offer the cheapest flight tickets to Seattle / Tacoma International.

Travelling from Cincinnati/Northern Kentucky Airport (CVG) to Seattle-Tacoma International Airport (SEA): what you need to know

  • The average length of a direct flight from Cincinnati/Northern Kentucky Airport to Seattle-Tacoma International Airport is 4 hours 55 minutes.

  • Seattle is three hours behind Cincinnati and follows the UTC-7 timezone.

  • Flights from CVG to SEA start from 17:30 — the earliest with Delta Air Lines. The last departure is at 18:59 with Alaska Airlines. In total, you can choose from 17 weekly Cincinnati/Northern Kentucky Airport to Seattle-Tacoma International Airport flights.

  • To ensure you get on your CVG to SEA flight, leave enough time for things like baggage drop and finding your gate. Turning up two hours ahead of international departures and one hour before domestic flights is the general travel rule.

  • During popular months such as July, it's best to get to the airport earlier. Plan to arrive two hours before domestic departures and four hours ahead of an international flight whenever you're flying during a high season in general.

  • Alaska Airlines offers direct flights from Cincinnati/Northern Kentucky Airport to Seattle-Tacoma International Airport. Book with this popular carrier, then get ready to check out the sights in Seattle — and maybe even more of United States if time allows.

  • Most travellers choose to fly with Alaska Airlines on this route.

  • Delta Air Lines is the most punctual carrier that offers CVG to SEA flights, with 78.33% of its services reaching their destination on time.

  • We make it a breeze to book a flight with a stopover. To see your options for tickets from Cincinnati/Northern Kentucky Airport to Seattle-Tacoma International Airport, uncheck 'Direct flights only.' Then, choose a flight offering a stop long enough to explore your chosen city. Top stopovers between CVG and SEA include:

    • Minneapolis-St. Paul International Airport

    • O'Hare International Airport

    • Denver International Airport

How to find the cheapest flights from Cincinnati/Northern Kentucky Airport (CVG) to Seattle-Tacoma International Airport (SEA)

  • P5,556 is currently the lowest price for a one-way Cincinnati/Northern Kentucky Airport to Seattle-Tacoma International Airport flight. Return flights start from P11,110. These fares can change depending on demand.

  • Get cheap tickets from CVG to SEA by booking seven months ahead. Based on our research, that's the sweet spot for finding a bargain.

  • June is the cheapest month for flights from Cincinnati/Northern Kentucky Airport to Seattle-Tacoma International Airport. If you're looking to fly at a different time of year, the 'Whole month' tool will show you the lowest prices for each month.

  • Getting your hands on cheap flights from CVG to SEA is a piece of cake with Price Alerts. All you need to do is set up one of these automatic alerts and we'll notify you when there's a better deal.

  • Discover the right flight for you with the help of the filters. To see the 'Best,' 'Fastest' or 'Cheapest' flights from Cincinnati/Northern Kentucky Airport to Seattle-Tacoma International Airport, use the 'Sort by' tool. You can also filter by airline, arrival and departure times, and journey duration.

Handy information about Cincinnati/Northern Kentucky Airport (CVG)

  • When it comes to Cincinnati/Northern Kentucky Airport's on-time performance, 77.0% of flights meet their scheduled arrival time.

  • Cincinnati/Northern Kentucky Airport is about 21 kilometres from central Cincinnati. If you're ride-sharing, catching a cab or driving from the centre, it'll take 20 minutes or so to get there, depending on the traffic.

  • The journey on public transport takes roughly 40 minutes.

Arriving at Seattle-Tacoma International Airport (SEA)

Getting from Seattle-Tacoma International Airport (SEA) to central Seattle

  • Seattle-Tacoma International Airport is roughly 23 kilometres from central Seattle. The drive time takes around 20 minutes.

  • Getting to the centre by public transport takes roughly 55 minutes.

When to fly to Seattle-Tacoma International Airport (SEA)

  • July is the busiest month for flights from Cincinnati/Northern Kentucky Airport to Seattle-Tacoma International Airport. For smaller crowds, visit Seattle in May.

  • The warmest month in Seattle is August, with the temperature ranging between 12ºC (54ºF) and 28ºC (82ºF). Book your flights from Cincinnati/Northern Kentucky Airport to Seattle-Tacoma International Airport in this month if this is the type of weather you enjoy.

  • February has average temperatures of between -1ºC (30ºF) and 11ºC (52ºF). Search for cheap tickets from CVG to SEA sometime around then if you like cooler conditions.

Explore more of United States

  • Seattle is always a good idea, but there are so many other parts of United States waiting to be discovered. Around 241 kilometres south of Seattle, a visit to Portland will keep you busy. Start with leading sights like Pioneer Courthouse Square, Portland Japanese Garden and Pittock Mansion.

  • Spokane is another must-experience destination in United States and is around 370 kilometres east of Seattle. No journey is complete without experiencing Manito Park, Northwest Museum of Arts & Culture and Spokane Falls.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.