Cheap flights from Portland to Cincinnati from $87

The month of August is, on average, the cheapest month to fly to Cincinnati from Portland, with most prices found around $270. If you aren’t able to travel to Cincinnati during the month of August, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $300.

According to our data, Tuesday is the cheapest day to fly to Cincinnati from Portland. The lowest ticket price found for a Tuesday departure recently was $112. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. On the other hand, Wednesday is the most expensive day to depart from Portland because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $334.

Our most recent data shows that the best time of day to fly to Cincinnati is in the afternoon. Flights from Portland to Cincinnati during this time can be as low as $119. At noon is when there is more demand to fly to Cincinnati, so prices are often more expensive at around $234 per ticket.

Fly from Portland to Cincinnati Cinci./N. Kentucky for the best Portland - Cincinnati Cinci./N. Kentucky flight prices

You are more likely to see cheaper flights to Cincinnati from Portland when booking weeks ahead of your departure date. In general, you can expect to find flights to Cincinnati for around $385 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Cincinnati from Portland for as low as $280 on momondo.

There is only 1 cabin class available to choose from on Portland to Cincinnati flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

You could potentially save up to 13% on your flight if you consider stops on a Portland to Cincinnati flight.

As of June 2026, prices for Portland to Cincinnati flights are approximately 21% cheaper when compared to flights at the same time last year.

Allegiant Air and Frontier are the most popular carriers operating from Portland to Cincinnati Cinci./N. Kentucky

American Airlines, United Airlines and Delta are the top three most popular airlines that fly to Cincinnati from Portland according to our data. American Airlines is the first choice among our users, with 32% of people opting to fly with this airline when traveling to Cincinnati. Keep in mind that there are 7 different airlines that fly to Cincinnati on a routine basis, so you have a few additional options to choose from.