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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

Book the best Cincinnati Northern Kentucky fare with no extra fees

Flight deals from Portland Airport to Cincinnati Northern Kentucky Airport

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 R 3,519. Find the lowest prices on one-way and return tickets right here.
Cincinnati.R 913 per passenger.Departing Sun, 24 May.One-way flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Portland on Sun, 24 May, arriving in Cincinnati Northern Kentucky.Price includes taxes and charges.From R 913, select.
Cincinnati.R 1,870 per passenger.Departing Thu, 23 Apr.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Portland on Thu, 23 Apr, arriving in Cincinnati Northern Kentucky.Price includes taxes and charges.From R 1,870, select.
Cincinnati.R 2,129 per passenger.Departing Thu, 18 Jun.One-way flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Portland on Thu, 18 Jun, arriving in Cincinnati Northern Kentucky.Price includes taxes and charges.From R 2,129, select.
Cincinnati.R 2,367 per passenger.Departing Thu, 2 Jul.One-way flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Portland on Thu, 2 Jul, arriving in Cincinnati Northern Kentucky.Price includes taxes and charges.From R 2,367, select.
Cincinnati.R 2,372 per passenger.Departing Mon, 30 Mar.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Portland on Mon, 30 Mar, arriving in Cincinnati Northern Kentucky.Price includes taxes and charges.From R 2,372, select.
Cincinnati.R 3,101 per passenger.Departing Sat, 29 Aug.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Portland on Sat, 29 Aug, arriving in Cincinnati Northern Kentucky.Price includes taxes and charges.From R 3,101, 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 May.
Mar
from R 2,372
Apr
from R 1,870
May
from R 913
Jun
from R 2,129
Jul
from R 2,367
Aug
from R 3,101
Sep
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Oct
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Nov
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Dec
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Jan
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Feb
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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 R 913
Search flights

Cincinnati Municipal

15km from central Cincinnati
Search flights

Portland to Cincinnati: Flight information

The things to know before you go.
Cheapest flight foundR 913
Cheapest month to flyMay
Average flight time4 hrs, 27 mins
Most popular airlineAllegiant Air
Average flights per week2

Check out these Cincinnati hotels

Ready to plan your stay? Other travellers rate these Cincinnati hotels for cleanliness, service and location.
SpringHill Suites Cincinnati Blue Ash
21.15 km from city centre
R 2 877
Per night
Gaslight Bed & Breakfast
5.02 km from city centre
R 3 639
Per night
The Lytle Park Hotel, Autograph Collection
1.39 km from city centre
R 7 542
Per night
SpringHill Suites Cincinnati Blue Ash
21.15 km from city centre
R 2 877
Per night
Gaslight Bed & Breakfast
5.02 km from city centre
R 3 639
Per night
The Lytle Park Hotel, Autograph Collection
1.39 km from city centre
R 7 542
Per night
Explore top-rated hotels

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 R 3,519. 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 27 minutes is the average flight time from Portland to Cincinnati Northern Kentucky.
Allegiant Air flies direct from Portland to Cincinnati Northern Kentucky.
As of March 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 April.
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 Saturday, 18 April 2026.
Yes – the average flight time is 4 hours and 27 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.

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

  • The timezone in Cincinnati is UTC-4, which is three hours ahead of Portland.

  • Your PDX to CVG flight won't wait if you're running late, so be at the airport on time. Arrive up to one hour in advance for domestic flights and two hours ahead when you're flying internationally.

  • During popular months such as July, it's a good idea to get to the airport earlier than normal. Plan to arrive two hours before a domestic departure and four hours ahead of international flights whenever you're travelling during a peak period in general.

  • We make it a cinch to book a flight with a stopover. To see your options for tickets from Portland International Airport to Cincinnati/Northern Kentucky Airport, uncheck 'Direct flights only.' Then, pick a flight offering a stop long enough to visit the city of your choice. Some great stopovers between PDX and CVG include:

    • Denver International Airport

    • Minneapolis-St. Paul International Airport

    • O'Hare International Airport

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

  • R 913 is currently the best price for a one-way Portland International Airport to Cincinnati/Northern Kentucky Airport flight. A return flight starts at R 3,519. These prices can change based on availability and demand.

  • It's a good idea to book as early as possible if you're looking for cheap tickets from PDX to CVG. That's because airlines change prices based on demand, which tends to increase closer to departure.

  • If you're flexible with your travel dates, try using the 'Whole month' search function. It'll show you the lowest price in each month when looking for your flight from Portland International Airport to Cincinnati/Northern Kentucky Airport.

  • Spend less time searching for cheap flights from PDX to CVG by creating a Price Alert. You'll get an email or notification through the app when a special offer becomes available.

  • Tailor your trip using filters. Choose your preferred departure and arrival times, total journey duration and airlines. You can also sort the results by 'Cheapest,' 'Fastest' or 'Best' flights from Portland International Airport to Cincinnati/Northern Kentucky Airport.

Handy information about Portland International Airport (PDX)

  • PDX is located at 7000 NE Airport Way.

  • Portland International Airport earns top marks for on-time performance. 83.65% of flights that depart PDX arrive at their destination on time.

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

  • Expect a trip time of roughly 45 minutes on public transport.

  • Booked an early flight from Portland International Airport to Cincinnati/Northern Kentucky Airport? Avoid the stress of rushing to the airport (and enjoy a little extra shut-eye) by choosing one of these stays close to PDX:

Arriving at Cincinnati/Northern Kentucky Airport (CVG)

  • Follow your own route with a Cincinnati/Northern Kentucky Airport rental car. Book your wheels from Budget, Hertz or Thrifty and see more of Cincinnati and beyond.

  • Lock in the best possible rate by booking your vehicle from Cincinnati/Northern Kentucky Airport about two weeks in advance of your trip.

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

  • From Cincinnati/Northern Kentucky Airport, Cincinnati is approximately 21 kilometres away. It takes around 20 minutes to drive to the centre.

  • Travelling by public transport will take you roughly 40 minutes.

When to fly to Cincinnati/Northern Kentucky Airport (CVG)

  • The quietest month for a flight from Portland International Airport to Cincinnati/Northern Kentucky Airport is February, while July is the busiest. Pick the ideal time to go to Cincinnati based on whether you prefer a laid-back vibe or a more bustling atmosphere.

  • When reserving your flight from Portland International Airport to Cincinnati/Northern Kentucky Airport, think about the type of weather you enjoy. July is the warmest month in Cincinnati, with the temperature ranging from 16ºC (61ºF) to 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 United States

  • Cincinnati has plenty to offer, but there are so many other parts of United States you should also see. Around 402 kilometres north-west of Cincinnati, a trip to Chicago will keep you on the go. Start with popular sights like Millennium Park, Art Institute of Chicago and LandShark Beer Garden at Navy Pier.

  • If you're interested in discovering another great destination in United States, consider Columbus, roughly 161 kilometres north-east of Cincinnati. Franklin Park Conservatory and Botanical Gardens, Ohio Statehouse and German Village are among the biggest draws.

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