Cheap flights from Cincinnati to Portland from $159

The cheapest month to fly to Portland from Cincinnati is in February. Flight prices, which tend to average around $296, are often lower during this time because this is during the off-season. If you don’t want to visit Portland in February, then you should wait until June to fly from Cincinnati, when ticket prices are also cheap, with an average price of $310.

The cheapest day to depart on your flight to Portland is on a Monday when prices can be found for as low as $159. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to Portland is Thursday, with ticket prices averaging around $280.

The cheapest time of day to fly to Portland is at noon when flights can be purchased for as low as $162. In the morning is when there is more demand to fly to Portland, so prices are often more expensive at around $259 per ticket.

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

You are more likely to see cheaper flights to Portland from Cincinnati when booking weeks ahead of your departure date. In general, you can expect to find flights to Portland for around $383 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Portland from Cincinnati for as low as $181 on momondo.

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

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

As of September 2026, prices for Cincinnati to Portland flights are approximately 58% cheaper when compared to flights at the same time last year.

United Airlines, Southwest, and Frontier are the most popular carriers operating from Cincinnati Cinci./N. Kentucky to Portland

United Airlines, Delta and American Airlines are the top three most popular airlines that fly to Portland from Cincinnati according to our data. United Airlines is the first choice among our users, with 34% of people opting to fly with this airline when traveling to Portland. Keep in mind that there are 7 different airlines that fly to Portland on a routine basis, so you have a few additional options to choose from.

Seattle (SEA) was the most common stop: 57% of momondo users choosing 1-stop flights on this route connected there.

Flights via Denver (DEN) offer the lowest average round-trip price of $289.

Flights connecting via Chicago (MDW) have the shortest average one-way travel time: 6h 25m.

Chicago (MDW) has the shortest average layover time for this route: 0h 55m.