PDX - CVG

$127 Find Cheap Flights from Portland to Cincinnati

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Portland to Cincinnati departing on 6/18. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to Cincinnati

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Portland to Cincinnati.
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Portland to Cincinnati.
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Everything you should know

Cheapest round-trip
$134
Overall average: $382
Allegiant Air
Sun 5/31Sun 6/7
PDX - CVG • Non-stop
Cheapest one-way
$127
Typical prices: $112-$249
Allegiant Air
Thu 6/18
PDX - CVG • Non-stop
Nonstop flights
Thu, Sun
You can fly direct with Allegiant Air. Average duration is 0
Direct flights
Direct flights
+1
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Direct flights
Direct flights
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Top airlines
Cheapest • from $134 (round-trip)
Best reviews • 7.9 score
Airline reviews
Airline reviews
+1
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Airline reviews
Airline reviews
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Top layover airports
Cheapest • Avg $344 (round-trip)
Shortest trip • 6h 03m (one-way)
Insights
Insights
Insights
Insights
When to book
in advance
Our data shows that travelers who book at least 4 weeks in advance save around 31% compared to booking last minute.
Insights
Insights
Insights
Insights
When to travel
Cheapest • 28% price drop
Most popular
Good to know
Good to know
+1
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Good to know
Good to know
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We hope you love your trip to Cincinnati!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Portland to Cincinnati (PDX-CVG)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Portland to Cincinnati that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Portland to Cincinnati

Sun, May 31 - Sun, Jun 7
Allegiant Air Logo
2:44 pm - 10:07 pm
PDX
-
CVG
4h 23mnonstop
Allegiant Air Logo
12:05 pm - 1:48 pm
CVG
-
PDX
4h 43mnonstop
$134Allegiant Air
Sat, Apr 18 - Mon, Apr 27
Frontier Logo
12:27 pm - 7:12 pm
PDX
-
CVG
27h 45m
1 stop
Frontier Logo
9:29 pm - 11:52 am
CVG
-
PDX
17h 23m
1 stop
$223Frontier
Sun, May 31 - Sun, Jun 7
Multiple Airlines Logo
6:19 pm - 7:35 pm
PDX
-
CVG
22h 16m
1 stop
Multiple Airlines Logo
12:05 pm - 1:48 pm
CVG
-
PDX
4h 43mnonstop
$225Multiple Airlines
Sun, May 31 - Sun, Jun 7
Multiple Airlines Logo
2:44 pm - 10:07 pm
PDX
-
CVG
4h 23mnonstop
Multiple Airlines Logo
8:36 pm - 4:46 pm
CVG
-
PDX
23h 10m
1 stop
$228Multiple Airlines
Tue, Apr 14 - Fri, Apr 17
Frontier Logo
1:48 pm - 9:22 am
PDX
-
CVG
16h 34m
2 stops
Frontier Logo
8:17 pm - 11:42 am
CVG
-
PDX
18h 25m
1 stop
$230Frontier
Sat, Apr 18 - Mon, Apr 27
Frontier Logo
12:27 pm - 7:12 pm
PDX
-
CVG
27h 45m
1 stop
Frontier Logo
9:29 pm - 11:52 am
CVG
-
PDX
17h 23m
1 stop
$240Frontier
Thu, Apr 23 - Wed, May 6
Frontier Logo
11:48 am - 7:12 pm
PDX
-
CVG
28h 24m
1 stop
Frontier Logo
12:55 pm - 4:46 pm
CVG
-
PDX
30h 51m
1 stop
$241Frontier
Wed, Apr 15 - Fri, Apr 17
Frontier Logo
12:28 pm - 11:55 am
PDX
-
CVG
20h 27m
2 stops
Frontier Logo
8:17 pm - 11:42 am
CVG
-
PDX
18h 25m
1 stop
$248Frontier
Thu, Apr 16 - Mon, Apr 20
Frontier Logo
11:48 am - 7:12 pm
PDX
-
CVG
28h 24m
1 stop
Frontier Logo
8:17 pm - 11:52 am
CVG
-
PDX
18h 35m
1 stop
$261Frontier
Thu, May 7 - Sun, May 10
Frontier Logo
12:35 pm - 12:00 pm
PDX
-
CVG
20h 25m
1 stop
Frontier Logo
12:55 pm - 4:46 pm
CVG
-
PDX
6h 51m
1 stop
$268Frontier
Booking Insights

KAYAK's insights & trends for Portland to Cincinnati flights

Get data-powered insights and trends into flights from Portland to Cincinnati to help you find the cheapest flights, the best time to fly and much more.

What’s the cheapest day of the week to fly from Portland to Cincinnati?

The average price of all round-trip flights from Portland to Cincinnati clicked on KAYAK for each day over the last 12 months.

If your flying dates are flexible, you should consider flying to Cincinnati on a Thursday, as we generally find the cheapest rates on that day for this route. On the other hand, Sunday is the most expensive day to fly from Portland to Cincinnati. For your return ticket, we recommend flying on a Wednesday and avoiding Tuesdays for the best deals.

What is the cheapest month to fly from Portland to Cincinnati?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Portland to Cincinnati, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Portland to Cincinnati is August, where tickets cost $260 (return) on average. On the other hand, the most expensive months are December and April, where the average cost of round-trip tickets is $533 and $426 respectively.

Can I save money by flying with a layover from Portland to Cincinnati?

The average round-trip price for all non-stop flights, flights with one layover, and flights with two layovers for the route found by users searching on KAYAK in the last 2 weeks.

Yes, flying with a layover may cost you more time, but you can also save money on the route, with a 1 stop layover the cheapest option at $416 on average.

How far in advance should I book a flight from Portland to Cincinnati?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Portland to Cincinnati, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from Portland to Cincinnati, you should book around 4 weeks before departure, which saves you about 31% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 19 weeks before departure.

Good to know

Low seasonJanuary
Cheapest flight$127
Best time to beat the crowds but there is an average 12% increase in price.
Most popular time to fly and prices are also 15% lower on average.
Flight from Portland to Cincinnati

When to book flights from Portland to Cincinnati

Are your dates flexible? Find out the best times to travel from Portland to Cincinnati based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from Portland to Cincinnati

  • What is the cheapest flight from Portland to Cincinnati?

    In the last 3 days, the lowest price for a flight from Portland to Cincinnati was $127 for a one-way ticket and $134 for a round-trip.

  • Do I need a passport to fly between Portland and Cincinnati?

    Even though you are not required to have a passport, keep in mind that an official ID is needed to board the airplane.

  • Which aircraft models fly most regularly from Portland to Cincinnati?

    The Airbus A320-100/200 is the aircraft model that flies most regularly on the Portland to Cincinnati flight route.

  • Which airline alliances offer flights from Portland to Cincinnati?

    Star Alliance, oneworld, and SkyTeam are the airline alliances operating flights between Portland and Cincinnati, with Star Alliance being the most commonly used for this route.

  • Which is the best airline for flights from Portland to Cincinnati, Southwest or Delta?

    The two airlines most popular with KAYAK users for flights from Portland to Cincinnati are Southwest and Delta. With an average price for the route of $446 and an overall rating of 8.0, Southwest is the most popular choice. Delta is also a great choice for the route, with an average price of $418 and an overall rating of 7.9.

  • How does KAYAK find such low prices on flights from Portland to Cincinnati?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Portland to Cincinnati.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Portland to Cincinnati?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Cincinnati from Portland is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Portland to Cincinnati?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Cincinnati with an airline and back to Portland with another airline. Booking your flights between Portland and CVG can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Portland to Cincinnati?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Cincinnati from Portland up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

KAYAK’s top tips for finding a cheap flight from Portland to Cincinnati

  • Looking for a cheap flight? 25% of our users found flights on this route for $148 or less round-trip.

Prefer to fly direct from Portland to Cincinnati?

 
Direct data is based off flight results for the next 60 days. Find direct flights from all airlines flying direct from Portland to Cincinnati Cinci./N. Kentucky.
Find which airlines fly direct from Portland Airport to Cincinnati Cinci./N. Kentucky Airport, which days they fly and book direct flights.

Direct departures

Portland to Cincinnati Cinci./N. Kentucky

Thursday

Allegiant Air

Allegiant Air

Sunday

Allegiant Air

Allegiant Air

See more direct flights

Direct returns

Cincinnati Cinci./N. Kentucky to Portland

Thursday

Allegiant Air

Allegiant Air

Sunday

Allegiant Air

Allegiant Air

See more direct flights

Reviews of the top 5 airlines serving from Portland to Cincinnati

 
See real verified KAYAK customer reviews for airlines flying from Portland to Cincinnati. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Portland to Cincinnati? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.9
Alaska AirlinesOverall score based on 12062 reviews
7.0Entertainment
7.0Food
8.1Boarding
7.8Comfort
8.5Crew
Airline reviews

Never got on because first part of trip was cancelled and we have no idea when we will get rebooked…

2.0 MediocreAnonymous, Mar 2026
PDX - SEA
Read more Alaska Airlines reviews

Never got on because first part of trip was cancelled and we have no idea when we will get rebooked…

Wonderful as always! Pleasant staff, smooth ride, and timely departure.

Everything ran like it should. Staff was professional. Looking forward to flying with them again.

Liked the attention and speed when getting wheelchair..........Was assured by phone that my needs would be taken care of and they were with my name.

The seats were spacious and comfortable. Even in basic economy. However, the flight boarded 30 minutes late.

Alaska used to be a top notch airline. With it's growth it is now in line with the big airlines. Not bad, not great.

Great. I did have a little issue getting into the Lounge, which is likely more an American Airlines issue. I did not carry my physical AAdvantage Executive credit card with me on this trip, which Admirals Club membership is a part of the benefits of having this card. The instructions on the AA website and the Citi cards website make it seem like you don't need the physical card, as both sites state you can enter with your boarding pass and driver's license. But both lounges said you were required to present the physical card (and not the digital version, via Apple Pay), as only the physical card says "Admirals Club" on the back.I also do not have a physical Admirals Club membership card, so while both lounges eventually let me in, both denied me entrance initially for this reason.

Everything from the time I booked my flight through to the end when I got home was smooth and wonderful. Service was great, the flight attendants were attentive and there were no outstanding delays.

Delayed and no entertainment? I also forgot my headphones and immediately reported it and have not heard back yet.

The crew was very friendly. Boarding was quick and efficient.

Perhaps when you’re sitting in 1st class and the crew closes the bathroom for the pilots, there could be a notification other than holding your hands up as a blockade when you get there and you’re told the restrooms are closed please turn around … especially at night when visibility is poor and you’re met by a flight attendants with their arms up

First class is comfortable. Enjoyed a movie and was able to relax compared to coach.

Loved flying First Class. Very comfortable. The seat was amazing. Enjoyed a movie and was able to relax so much better than in coach.

We landed and sat on the tarmac for 45 minutes because they only have one gate at the airport and there was another plane running late so we had to wait

The WiFi was not working. That made for a long flight.

Absolutely no communication on why there's a delay and multiple flight time reschedules. I would have canceled the flight and drove back home if I known it was going to be rescheduled 3 or 4 times.

Another late night flight and MORE men belligerently drinking and yelling. I had to move from first to economy because they were so obnoxious and disruptive. Crazy to go from a cozy chair to cardboard when you were supposed to be in first. Delta allows was too much drinking which leads to belligerent behavior.

I was in first class and literally the men behind me were so aggressively loud I moved myself to economy. This has become so common on Delta - people using audio without headphones, and men on 12am / late night flights drinking and yelling to talk to each other which prevents anyone around them from resting. Pretty crazy to have to move from first to economy (poorer service, less comfort...). Wild wild. Looking into other airlines.

Love delta smaller commuter plane so no entertainment and paid wifi on MKE-LGA leg was extremely unreliable and slow

Stop changing gates. Stop cancelling flights Stop moving my seat.

United is one airline which regardless of how many separate United tickets in existence, if one flight breaks down, the airline will take care of all the flights.

Both our flights were delayed. Almost didn’t get in the second flight. Staff was rude to the bone.

Both my flight where delayed Had 25min to make it to my transfer flight

Everything was on time and service on the flight was great!

Wifi Bluetooth features for watching in flight movie was horrible. Screen kept blacking out no connection of sound although it said connected. Other than that smooth trip .

The travel company that you have on your site did me so wrong. I don’t know how it happened, but they put my son‘s name on my plane ticket flying to Vietnam. Along with his birthday. They would not have let me fly from Fort Myers to Ho Chi Minh City. I don’t think that I can ever use your service again. I typed my information into the browser along with my passport number and four days before I’m leaving I have to quickly search another ticket to fly out here.

Seats are uncomfortable. This has been a trend in the industry for decades. Trying to fit more seats on each plane to increase profits at the expense of the passenger.

The flight was delayed so we were dead tired, and after that the turbulence was horrible. I was very scared.

It’s always a great time flying with united airlines.

Good flight. Efficient boarding and competent flight crew. No problems until we arrived at our destination gate. We were early so there was an aircraft at the gate that had to move before we could pull in. Then, due to the type of aircraft we flew, the cabin door could not be opened until some luggage from the cargo bay was offloaded to preserve center of gravity characteristics. So, that further delayed deplaning. Despite being 20 minutes early on landing, we ended up being 5 to 10 minutes late after all the delays.

Superb. Staff great. Great flight. As with other airlines, seating too tight and restrictive.

There is not one likable thing about this airline. It’s starts with the deceptive pricing and continues through the whole flight. The worst staff I’ve ever experienced way over priced bags absolutely no food or drink (unacceptable and you should be embarrassed) the seats are cramped and uncomfortable there is no entertainment there is nothing about this trash airline that constitutes any amount of money. It’s worse than spirit and way more expensive it is disgraceful. Do not travel with Allegiant I repeat do not bother no matter what they say the price is it is never ever going to be the right choice I’m mind blown at how awful the entire experience was I’m embarrassed that I chose so poorly I cannot reiterate enough how beyond horrible this company and its staff are, not one person on this flight or at the airport is qualified to sweep up trash on a city sidewalk they should certainly never be given any job that requires a brain or manners or communication with human beings, what a disgrace to the human race. Your criminal chiselers and should be put out to pasture

Great flight. Friendly staff. Free snacks and drinks would be nice. I would love fewer taxes and fees added on.

My 90 year old father flew with me. He needed wheel chair assistance and is nearly deaf. The staff was amazing with him.

It was fine. Nobody was outstandingly friendly but no one was rude and everything was smooth . The captain thanked us for flying but no one greeted me as I walked on the plane or as I exited which is the least they could do lol

Clean, friendly, roomy. But check-in from the phone link was terrible. Repeated attempts wouldn’t save at the final step. Just kept spinning! It was very frustrating. Finally, I used the app (vs website link) to check-in which worked very smoothly on the first attempt.

Check in on the web portal was cumbersome! After several attempts I finally got the boarding pass.

Excellent flight and even arrived 23 min early. No entertainment , or wi fi on board, but I downloaded a couple of movies beforehand which kept me entertained. Really like flying Allegiant airlines.

WE were delayed about an hour and never any communications from the employees working the gate. We also were moved to a total of three gates.

I love how they show love to their customers and care about them too.

My flight was originally from SAT to MCO connecting from MCO to ORD. We got diverted to ATL and than Frontier staff there was sooo un helpful first they said they couldn’t give us any accommodation since our flight first got delayed that cancelled and now it’s 221am and I am still in ATL since they said they need to create a new flight my final destination is ORD and I have been delayed twice and cancelled. With no real help the frontier app didn’t work no email updates over all such a horrible experience

There's no seats that lean back with little leg space i wad uncomfortable the entire flight. Your charges for extra baggage is despicable and costly!!

Remind customers of the need to have passport or new ID for boarding.

Flight was canceled. Most upsetting was message from Kayak, stating that the flight was canceled and click with Kayak for details regarding rebook, refund details. THERE'S NO INFORMATION PROVIDED BY KAYAK EXCEPT THAT FLIGHT IS CANCELED. AND NOW THIS SURVEY TO FIND OUT HOW WAS THE FLIGHT !!!!!!!

The flight never took off and we spent 7 hours at the airport

Gate not determined until I got to the airport - hard to plan the trip to the airport.

Our flight was canceled. I will never use Kayak nor Frontier for travel again. The entire experience was a headache.

Frontier.. nickel and dime add-ons. Flight late, on time, late again, last minute gate change, arrival gate required a shuttle to the terminal. They sure keep you guessing.. if you like a little chaos and airport anxiety, this is the airline for you!

This is my second time flying with Frontier. My current experience was very favorable. The staff from the gate to the plane was friendly, warm and professional. The food options lacked in my opinion. This area needs some attention in my opinion.

There was no food and no entertainment, so I'm not sure why these are even in the survey, as my understanding is frontier does not ever offer food without a few, not even a snack, and there are no screens so unless the flight safety talk is our entertainment why ask how we liked it?. One of the flight attendants say in the back of the plane as people filed in to their seats, yelling orders about where to put baggage and telling people to hurry up. It was the least professional experience I've ever had on a flight.

Everything you need to know for your flight from Portland to Cincinnati

Information on your arrival and departure airports