Cheap flights from Portland to Cincinnati from $44

The month of August is, on average, the cheapest month to fly to Cincinnati from Portland, with most prices found around $260. If you aren’t able to travel to Cincinnati during the month of August, then flying in June is also cheap. Prices for this month can be found on momondo for an average of $276.

According to our data, Wednesday is the cheapest day to fly to Cincinnati from Portland. The lowest ticket price found for a Wednesday departure recently was $124. 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, Sunday 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 $215.

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 $188 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 $372 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 $254 on momondo.

No. A direct flight is the cheapest option for a flight between Portland to Cincinnati.

As of May 2026, prices for Portland to Cincinnati flights are approximately 39% cheaper when compared to flights at the same time last year.

Southwest, American Airlines, and Delta 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 33% 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.

Dallas (DFW) was the most common stop: 50% of momondo users choosing 1-stop flights on this route connected there.

Flights via Seattle (SEA) offer the lowest average round-trip price of $232.

Flights connecting via Seattle (SEA) have the shortest average one-way travel time: 6h 43m.

Seattle (SEA) has the shortest average layover time for this route: 0h 44m.