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225 € Cheap Flights from Portland to Cincinnati Northern Kentucky

Compare Portland to Cincinnati Northern Kentucky flight deals

Find the cheapest month or even day of the year to fly to Cincinnati Northern Kentucky

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Flight deals from Portland to Cincinnati Northern Kentucky

Looking for a cheap last-minute deal or the best return flight from Portland Airport to Cincinnati Northern Kentucky Airport? If you want to travel next month, return fares start from 229 €. Find the lowest prices on one-way and return tickets right here.
Cincinnati.225 € per passenger.Departing Thu, 8 Oct, returning Mon, 12 Oct.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Portland on Thu, 8 Oct, arriving in Cincinnati Northern Kentucky.Inbound indirect flight with Frontier Airlines, departs from Cincinnati Northern Kentucky on Mon, 12 Oct, arriving in Portland.Price includes taxes and charges.From 225 €, select.
Cincinnati.225 € per passenger.Departing Mon, 21 Sep, returning Thu, 24 Sep.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Portland on Mon, 21 Sep, arriving in Cincinnati Northern Kentucky.Inbound indirect flight with Frontier Airlines, departs from Cincinnati Northern Kentucky on Thu, 24 Sep, arriving in Portland.Price includes taxes and charges.From 225 €, select.
Cincinnati.229 € per passenger.Departing Wed, 26 Aug, returning Tue, 1 Sep.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Portland on Wed, 26 Aug, arriving in Cincinnati Northern Kentucky.Inbound indirect flight with Frontier Airlines, departs from Cincinnati Northern Kentucky on Tue, 1 Sep, arriving in Portland.Price includes taxes and charges.From 229 €, select.
Cincinnati.229 € per passenger.Departing Mon, 24 Aug, returning Mon, 31 Aug.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Portland on Mon, 24 Aug, arriving in Cincinnati Northern Kentucky.Inbound indirect flight with Frontier Airlines, departs from Cincinnati Northern Kentucky on Mon, 31 Aug, arriving in Portland.Price includes taxes and charges.From 229 €, select.
Cincinnati.263 € per passenger.Departing Wed, 30 Sep, returning Sun, 4 Oct.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Portland on Wed, 30 Sep, arriving in Cincinnati Northern Kentucky.Inbound indirect flight with Frontier Airlines, departs from Cincinnati Northern Kentucky on Sun, 4 Oct, arriving in Portland.Price includes taxes and charges.From 263 €, select.
Cincinnati.282 € per passenger.Departing Wed, 9 Dec, returning Wed, 16 Dec.Return flight with United.Outbound indirect flight with United, departs from Portland on Wed, 9 Dec, arriving in Cincinnati Northern Kentucky.Inbound indirect flight with United, departs from Cincinnati Northern Kentucky on Wed, 16 Dec, arriving in Portland.Price includes taxes and charges.From 282 €, select.
Cincinnati.283 € per passenger.Departing Thu, 12 Nov, returning Mon, 23 Nov.Return flight with Delta.Outbound indirect flight with Delta, departs from Portland on Thu, 12 Nov, arriving in Cincinnati Northern Kentucky.Inbound indirect flight with Delta, departs from Cincinnati Northern Kentucky on Mon, 23 Nov, arriving in Portland.Price includes taxes and charges.From 283 €, select.
Cincinnati.293 € per passenger.Departing Thu, 26 Nov, returning Thu, 3 Dec.Return flight with United.Outbound indirect flight with United, departs from Portland on Thu, 26 Nov, arriving in Cincinnati Northern Kentucky.Inbound indirect flight with United, departs from Cincinnati Northern Kentucky on Thu, 3 Dec, arriving in Portland.Price includes taxes and charges.From 293 €, select.
Cincinnati.322 € per passenger.Departing Fri, 15 Jan, returning Thu, 21 Jan.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Portland on Fri, 15 Jan, arriving in Cincinnati Northern Kentucky.Inbound indirect flight with Southwest Airlines, departs from Cincinnati Northern Kentucky on Thu, 21 Jan, arriving in Portland.Price includes taxes and charges.From 322 €, select.
Cincinnati.323 € per passenger.Departing Thu, 30 Jul, returning Sun, 2 Aug.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Portland on Thu, 30 Jul, arriving in Cincinnati Northern Kentucky.Inbound direct flight with Allegiant Air departs from Cincinnati Northern Kentucky on Sun, 2 Aug, arriving in Portland.Price includes taxes and charges.From 323 €, select.
Cincinnati.360 € per passenger.Departing Wed, 23 Dec, returning Wed, 6 Jan.Return flight with Delta.Outbound indirect flight with Delta, departs from Portland on Wed, 23 Dec, arriving in Cincinnati Northern Kentucky.Inbound indirect flight with Delta, departs from Cincinnati Northern Kentucky on Wed, 6 Jan, arriving in Portland.Price includes taxes and charges.From 360 €, select.

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

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Portland to Cincinnati Northern Kentucky flights are currently cheapest in September.
Jul
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Aug
from 229 €
Sep
from 225 €
Oct
from 225 €
Nov
from 283 €
Dec
from 282 €
Jan
from 322 €
Feb
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Mar
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Apr
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May
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Jun
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Direct flights from Portland to Cincinnati Northern Kentucky

Portland to Cincinnati Northern Kentucky: Alternative routes

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

Cincinnati Northern Kentucky

14km from central Cincinnati
ClosestCheapest
from 225 €
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Portland to Cincinnati: Flight information

The things to know before you go.
Cheapest flight found225 €
Cheapest month to flySeptember
Average flight time4 hrs, 32 mins
Most popular airlineAllegiant Air
Average flights per week2

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

The best price we found for a return flight from Portland to Cincinnati Northern Kentucky is 225 €. 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.
4 hours and 32 minutes is the average flight time from Portland to Cincinnati Northern Kentucky.
Allegiant Air flies direct from Portland to Cincinnati Northern Kentucky.
As of July 2026, there are 2 flights per week flying from Portland to Cincinnati Northern Kentucky.
The cheapest month to fly from Portland to Cincinnati Northern Kentucky is usually September.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Portland Airport to Cincinnati Northern Kentucky Airport on Monday, 21 September 2026.
Yes – the average flight time is 4 hours and 32 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 Cincinnati Northern Kentucky 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 Cincinnati is around 40 days in advance, so don’t leave your flight to the last minute.

Currently, Frontier Airlines and Allegiant Air offer the cheapest flight tickets to Cincinnati Northern Kentucky.

Travelling from Portland Airport (PDX) to Cincinnati Northern Kentucky Airport (CVG): what you need to know

  • Book a direct flight from Portland Airport to Cincinnati Northern Kentucky Airport and you'll be travelling for an average of 4 hours 30 minutes.

  • Cincinnati's timezone is UTC-5, making Cincinnati three hours ahead of Portland.

  • Arriving two hours before an international flight and one hour ahead of a domestic departure are tried-and-true travel tips. Make sure you're at the airport on time to catch your PDX to CVG flight.

  • During popular months like July, it's a good idea to get to the airport even earlier. Plan to arrive two hours before a domestic departure and four hours ahead for international flights whenever you're travelling during peak periods in general.

  • Allegiant Air is your gateway to exploring Cincinnati (and perhaps some other great parts of the United States!). Browse the direct flights from Portland Airport to Cincinnati Northern Kentucky Airport offered by this popular airline.

  • Most passengers choose to travel with Allegiant Air on this route.

  • Among carriers operating PDX to CVG flights, Allegiant Air has the best track record for timely arrivals.

  • Think about adding a stopover when booking your ticket from Portland Airport to Cincinnati Northern Kentucky Airport. Simply deselect 'Direct flights only' to break up your trip, or even explore someplace new along the way. Here are some options between PDX and CVG:

    • Chicago O'Hare International Airport

    • Denver International Airport

    • Minneapolis St Paul Airport

How to find the cheapest flights from Portland Airport (PDX) to Cincinnati Northern Kentucky Airport (CVG)

  • Currently, 114 € is the cheapest price we've found for a one-way Portland Airport to Cincinnati Northern Kentucky Airport flight. The best price for a return ticket is 225 €. Keep in mind that fares could change due to availability when booking.

  • To score cheap tickets from PDX to CVG, book your trip four months ahead of your departure date.

  • September is the cheapest month for flights from Portland Airport to Cincinnati Northern Kentucky Airport. If you want to fly at a different time of year, the 'Whole month' tool will give you the lowest prices across every month.

  • Cut down on the time spent looking for cheap flights from PDX to CVG by creating a Price Alert. You'll get an email or notification on the app when a lower fare becomes available.

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

Handy information about Portland Airport (PDX)

  • PDX's address is 7000 NE Airport Way.

  • Portland Airport has a strong on-time performance, reducing the likelihood of delays. Departures from PDX arrive at their destination as scheduled 83% of the time.

  • Central Portland to Portland Airport is around 19 kilometres. Depending on traffic, it'll take you about 20 minutes to get there if you're driving, catching a taxi or ride-sharing.

  • You can expect a journey time of about 40 minutes on public transport.

  • Get your trip off to a relaxed start by staying near PDX. Whether you're catching an early flight from Portland Airport to Cincinnati Northern Kentucky Airport or just don't want to be rushed, these hotels are ideal:

Arriving at Cincinnati Northern Kentucky Airport (CVG)

  • Pick up a Cincinnati Northern Kentucky Airport rental car and explore Cincinnati and beyond with your own set of wheels. Budget, Hertz and Thrifty are well-known companies to choose from here.

  • Secure the lowest price by booking your ride from Cincinnati Northern Kentucky Airport around two weeks in advance of your trip.

Getting from Cincinnati Northern Kentucky Airport (CVG) to central Cincinnati

  • Cincinnati Northern Kentucky Airport to the centre of Cincinnati has a drive time of around 25 minutes. It's approximately 21 kilometres away.

  • It'll take around 1 hour if you're using public transport.

When to fly to Cincinnati Northern Kentucky Airport (CVG)

  • It's time to choose your trip dates for your flight from Portland Airport to Cincinnati Northern Kentucky Airport. July is the most popular month to head to Cincinnati. If you prefer a quieter vibe, go in January.

  • Lock in your flight from Portland Airport to Cincinnati Northern Kentucky Airport for July if you'd like to visit Cincinnati during its warmest month. Expect temperatures of between 16ºC (61ºF) and 32ºC (90ºF).

  • If you want cooler conditions, search for a cheap ticket from PDX to CVG in January. Average temperatures are between -10ºC (14ºF) and 7ºC (45ºF) then.

Explore more of the United States

  • You've seen Cincinnati, now it's time to discover other corners of the United States. Travel around 402 kilometres north-west to Chicago to check off its must-visit sights. From Millennium Park to Art Institute of Chicago and Willis Tower, you'll have a packed itinerary ahead.

  • If there's time to check out another major stop in the United States, head for Columbus, about 161 kilometres north-east of Cincinnati. Franklin Park Conservatory and Botanical Gardens, Whetstone Park / Park of Roses and Ohio Theatre are key highlights.

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.