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Cheap flights from Cincinnati Northern Kentucky to Seattle

Compare Cincinnati Northern Kentucky to Seattle flight deals

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

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Flight deals from Cincinnati Northern Kentucky to Seattle

Looking for a cheap last-minute deal or the best return flight from Cincinnati Northern Kentucky to Seattle? Find the lowest prices on one-way and return tickets right here.
Seattle.P8,705 per passenger.Departing Fri, 23 Jan, returning Thu, 29 Jan.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Cincinnati Northern Kentucky on Fri, 23 Jan, arriving in Seattle / Tacoma International.Inbound indirect flight with Frontier Airlines, departs from Seattle / Tacoma International on Thu, 29 Jan, arriving in Cincinnati Northern Kentucky.Price includes taxes and charges.From P8,705, select.
Seattle.P9,235 per passenger.Departing Sat, 10 Jan, returning Sat, 17 Jan.Return flight with Delta.Outbound direct flight with Delta departs from Cincinnati Northern Kentucky on Sat, 10 Jan, arriving in Seattle / Tacoma International.Inbound direct flight with Delta departs from Seattle / Tacoma International on Sat, 17 Jan, arriving in Cincinnati Northern Kentucky.Price includes taxes and charges.From P9,235, select.
Seattle.P11,608 per passenger.Departing Fri, 13 Feb, returning Mon, 16 Feb.Return flight with Delta.Outbound direct flight with Delta departs from Cincinnati Northern Kentucky on Fri, 13 Feb, arriving in Seattle / Tacoma International.Inbound direct flight with Delta departs from Seattle / Tacoma International on Mon, 16 Feb, arriving in Cincinnati Northern Kentucky.Price includes taxes and charges.From P11,608, select.
Seattle.P11,617 per passenger.Departing Thu, 5 Mar, returning Mon, 9 Mar.Return flight with Delta.Outbound direct flight with Delta departs from Cincinnati Northern Kentucky on Thu, 5 Mar, arriving in Seattle / Tacoma International.Inbound direct flight with Delta departs from Seattle / Tacoma International on Mon, 9 Mar, arriving in Cincinnati Northern Kentucky.Price includes taxes and charges.From P11,617, select.
Seattle.P16,185 per passenger.Departing Wed, 24 Dec, returning Wed, 7 Jan.Return flight with Frontier Airlines and Alaska Airlines.Outbound indirect flight with Frontier Airlines, departs from Cincinnati Northern Kentucky on Wed, 24 Dec, arriving in Seattle / Tacoma International.Inbound indirect flight with Alaska Airlines, departs from Seattle / Tacoma International on Wed, 7 Jan, arriving in Cincinnati Northern Kentucky.Price includes taxes and charges.From P16,185, select.
Seattle.P16,734 per passenger.Departing Sat, 20 Dec, returning Thu, 25 Dec.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Cincinnati Northern Kentucky on Sat, 20 Dec, arriving in Seattle / Tacoma International.Inbound indirect flight with Frontier Airlines, departs from Seattle / Tacoma International on Thu, 25 Dec, arriving in Cincinnati Northern Kentucky.Price includes taxes and charges.From P16,734, select.
Seattle.P18,660 per passenger.Departing Tue, 6 Oct, returning Tue, 13 Oct.Return flight with Delta.Outbound direct flight with Delta departs from Cincinnati Northern Kentucky on Tue, 6 Oct, arriving in Seattle / Tacoma International.Inbound direct flight with Delta departs from Seattle / Tacoma International on Tue, 13 Oct, arriving in Cincinnati Northern Kentucky.Price includes taxes and charges.From P18,660, select.
Seattle.P18,660 per passenger.Departing Tue, 7 Jul, returning Tue, 14 Jul.Return flight with Delta.Outbound direct flight with Delta departs from Cincinnati Northern Kentucky on Tue, 7 Jul, arriving in Seattle / Tacoma International.Inbound direct flight with Delta departs from Seattle / Tacoma International on Tue, 14 Jul, arriving in Cincinnati Northern Kentucky.Price includes taxes and charges.From P18,660, select.

Find the cheapest month to fly from Cincinnati Northern Kentucky to Seattle

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 flights are currently cheapest in January.
Dec
from P16,734
Jan
from P8,705
Feb
from P11,608
Mar
from P11,617
Apr
from P18,680
May
from P23,358
Jun
from P19,790
Jul
from P18,660
Aug
Find prices
Sep
Find prices
Oct
from P18,660
Nov
Find prices

Direct flights from Cincinnati Northern Kentucky to Seattle

Alternative Cincinnati Northern Kentucky to Seattle routes

Looking for the cheapest, fastest or easiest route from Cincinnati Northern Kentucky to Seattle? You could fly into the following airports instead.

Cincinnati to Seattle: Flight information

The things to know before you go.
Cheapest flight foundP8,705
Cheapest month to flyJanuary
Average flight time5 hrs, 4 mins
Most popular airlineAlaska Airlines
Average flights per week56

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

There are 4 airports in Seattle: Seattle Lake Union SPB, Seattle Boeing Fld, Seattle / Tacoma International, and Paine Field.
The best price we found for a return flight from Cincinnati Northern Kentucky to Seattle is P8,705. 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 4 minutes is the average flight time from Cincinnati Northern Kentucky to Seattle.
Alaska Airlines, American Airlines and Hawaiian Airlines fly direct from Cincinnati Northern Kentucky to Seattle.
As of December 2025, there are 56 flights per week flying from Cincinnati Northern Kentucky to Seattle.
The cheapest month to fly from Cincinnati Northern Kentucky to Seattle is usually January.
If you're flying from Cincinnati Northern Kentucky Airport, the cheapest airport near Seattle is Seattle / Tacoma International – which is 19.5 km away from the centre of Seattle. We've found flights into this airport from P8,705.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Cincinnati Northern Kentucky Airport to Seattle on Friday, 23 January 2026.
Yes – the average flight time is 5 hours and 4 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 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.
In December, the average temperature is usually around 3°C. August is typically the warmest month in Seattle, when it usually averages around 23°C. You can expect the least rain in July. The coldest month is December, with temperatures averaging 0°C. The rainiest month is November.
Currently, Frontier Airlines and Delta offer the cheapest flight tickets to Seattle.

Flying from Cincinnati/Northern Kentucky Airport (CVG) to Seattle: what you need to know

  • Jump on a direct flight from Cincinnati/Northern Kentucky Airport to Seattle and you'll be travelling for an average of 4 hours 25 minutes.

  • The timezone in Seattle is UTC-7. The city is three hours behind Cincinnati, where Cincinnati/Northern Kentucky Airport is located.

  • The busiest route is from Cincinnati/Northern Kentucky Airport (CVG) to Seattle-Tacoma International Airport (SEA). You can choose from 15 weekly services between these two airports. If you want to take off as soon as possible, the earliest flight from CVG to SEA is the 06:24 Delta Air Lines service. If you prefer travelling later, the last departure is at 19:48 with Alaska Airlines.

  • For a relaxed start to your CVG to Seattle flight, allow plenty of time to navigate the airport and find your gate. Arriving two hours before international departures and one hour before domestic flights is the general rule.

  • Longer lines at check-in and security are likely if you're flying during high season, so allow some extra breathing space. A good general rule for peak times? Arrive up to four hours ahead for international flights and at least two hours for domestic departures.

  • You can book a direct Cincinnati/Northern Kentucky Airport to Seattle ticket. Start your journey at CVG and touch down at Seattle-Tacoma International Airport (SEA).

  • Keep an eye out for promotions from Alaska Airlines. This carrier has direct flights from Cincinnati/Northern Kentucky Airport to Seattle.

  • Travelling from central Cincinnati to CVG takes about 40 minutes by public transport. If you drive, ride-share or take a cab, you'll cover the 193 kilometres in 20 minutes or so, depending on traffic.

  • Of all flights departing from Cincinnati/Northern Kentucky Airport, 77.0% arrive as scheduled at their destination.

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

  • P4,535 is currently the lowest price for a one-way Cincinnati/Northern Kentucky Airport to Seattle flight. A return plane ticket starts at P8,705. These fares may change depending on demand and availability.

  • Book two months before flying. Research on pricing trends suggests this is the ideal window for finding cheap flights from CVG to Seattle.

  • June is the best month for landing an awesome deal on Cincinnati/Northern Kentucky Airport to Seattle tickets. If you'd like to travel at a different time of year, the 'Whole month' tool will give you the lowest prices for every month.

  • Locking in a cheap flight from CVG to Seattle is easy with Price Alerts. All you need to do is create one of these automatic notifications and we'll let you know as soon as a deal gets even better.

  • Save on your flight from Cincinnati/Northern Kentucky Airport to Seattle with the help of our filters. Select your preferred duration, departure time and airlines, then sort the results by 'Cheapest' to see the best deals.

Airports in Seattle

Seattle-Tacoma International Airport (SEA)

  • Seattle-Tacoma International Airport (SEA) is around 23 kilometres from the centre of Seattle. If you're grabbing a cab or a ride-share, the drive takes about 20 minutes.

  • If you're travelling by public transport, expect a journey time of about 55 minutes.

  • Book a hotel close to SEA if you're coming in on a late flight from Cincinnati/Northern Kentucky Airport to Seattle. Check in to one of these options and make arrival day easier:

  • Go where the road takes you with a Seattle-Tacoma International Airport rental car. Pick up a set of wheels from Thrifty, Europcar or Budget and find adventure across Seattle and beyond.

  • Secure the lowest price by reserving your vehicle from Seattle-Tacoma International Airport around one week before your flight from CVG to Seattle.

Lake Union Sea Plane Base Airport (LKE)

  • The centre of Seattle is around 3 kilometres from Lake Union Sea Plane Base Airport (LKE). After your flight from Cincinnati/Northern Kentucky Airport to Seattle has hit the runway and you've made your way to arrivals, the drive should take about 10 minutes.

  • You can expect the trip to take about 25 minutes on public transport.

  • You'll find some comfortable places to call home for the night near LKE. Unwind and get cosy after your CVG to Seattle flight at one of these well-located options:

Best time to go to Seattle

  • Plan your trip to Seattle during high season if you prefer a bustling atmosphere, but remember that hotel prices are typically higher. Alternatively, book flights from Cincinnati/Northern Kentucky Airport to Seattle during the off-season when prices are cheaper and it's quieter.

  • Book a Cincinnati/Northern Kentucky Airport to Seattle plane ticket with a departure in August if you want to experience the city during its warmest month. You can expect temperatures to range from 12ºC (54ºF) to 28ºC (82ºF).

  • If you like travelling in cooler conditions, look for a cheap ticket from CVG to Seattle in February when temperatures average between -1ºC (30ºF) and 11ºC (52ºF).

More about Seattle

  • When it comes to looking for somewhere to rest your head, you'll find the top stays in Seattle right here. Browse these hotels once you've booked your flight from Cincinnati/Northern Kentucky Airport to Seattle:

  • All great journeys should include a little sightseeing. LMN Architects, Greyhound: Bus Station and Boeing Radiation Effects Lab are must-do's during your Seattle adventure.

Explore more of United States

  • Portland is just one of the many cities in United States waiting to be discovered once you've seen the sights of Seattle. Around 241 kilometres away to the south, its top attractions include Pioneer Courthouse Square, Portland Japanese Garden and Pittock Mansion.

  • If you want to check out another corner of United States, head for Spokane, roughly 370 kilometres east of Seattle. Manito Park, Northwest Museum of Arts & Culture and Spokane Falls are the start of reasons to visit.

Plan the rest of your trip from Cincinnati to Seattle

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