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Cheap flights from Portland to Cincinnati from $53

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Portland to Cincinnati departing on 9/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Cheap round-trip flights

Allegiant Air Logo
8:46 am - 3:53 pmPDX-CVG
4h 07mnonstop
Allegiant Air Logo
6:15 am - 7:56 amCVG-PDX
4h 41mnonstop
$106Allegiant Air
Find Deal
Fri, Aug 22 - Mon, Aug 25
Allegiant Air Logo
8:46 am - 3:53 pmPDX-CVG
4h 07mnonstop
Allegiant Air Logo
6:15 am - 7:56 amCVG-PDX
4h 41mnonstop
$112Allegiant Air
Find Deal
Mon, Aug 25 - Mon, Sep 1
Allegiant Air Logo
8:46 am - 3:53 pmPDX-CVG
4h 07mnonstop
Allegiant Air Logo
6:15 am - 7:56 amCVG-PDX
4h 41mnonstop
$119Allegiant Air
Find Deal
Fri, Aug 29 - Mon, Sep 1
Frontier Logo
12:25 pm - 12:54 amPDX-CVG
9h 29m1 stop
Frontier Logo
7:15 am - 11:30 amCVG-PDX
7h 15m1 stop
$238Frontier
Find Deal
Wed, Aug 13 - Sat, Aug 16
Frontier Logo
6:35 am - 12:54 amPDX-CVG
15h 19m1 stop
Frontier Logo
7:15 am - 11:24 pmCVG-PDX
19h 09m1 stop
$247Frontier
Find Deal
Tue, Aug 12 - Sat, Aug 16
Alaska Airlines Logo
7:20 am - 5:49 pmPDX-CVG
7h 29m1 stop
Alaska Airlines Logo
6:49 pm - 10:45 pmCVG-PDX
6h 56m1 stop
$300Alaska Airlines
Find Deal
Tue, Oct 14 - Wed, Oct 22
Delta Logo
5:35 am - 2:43 pmPDX-CVG
6h 08m1 stop
Delta Logo
4:33 pm - 8:59 pmCVG-PDX
7h 26m1 stop
$301Delta
Find Deal
Sat, Aug 30 - Tue, Sep 2
Delta Logo
5:35 am - 2:43 pmPDX-CVG
6h 08m1 stop
Delta Logo
6:20 am - 11:39 amCVG-PDX
8h 19m1 stop
$317Delta
Find Deal
Tue, Aug 19 - Wed, Aug 27
American Airlines Logo
7:00 am - 5:23 pmPDX-CVG
7h 23m1 stop
American Airlines Logo
2:38 pm - 8:47 pmCVG-PDX
9h 09m1 stop
$322American Airlines
Find Deal
Sat, Aug 23 - Tue, Aug 26
Alaska Airlines Logo
7:20 am - 5:49 pmPDX-CVG
7h 29m1 stop
Alaska Airlines Logo
6:49 pm - 10:45 pmCVG-PDX
6h 56m1 stop
$350Alaska Airlines
Find Deal
Tue, Oct 14 - Thu, Oct 23

Allegiant Air flights from Portland to Cincinnati

Our best Allegiant Air deals on Portland to Cincinnati flight tickets
Allegiant Air
Aug 22
PDX8:46 amPortland
4h 07m
CVG3:53 pmCincinnati Cinci./N. Kentucky
Aug 25
CVG6:15 amCincinnati Cinci./N. Kentucky
4h 41m
PDX7:56 amPortland
$106
Find similar
Allegiant Air
Aug 25
PDX8:46 amPortland
4h 07m
CVG3:53 pmCincinnati Cinci./N. Kentucky
Sep 1
CVG6:15 amCincinnati Cinci./N. Kentucky
4h 41m
PDX7:56 amPortland
$112
Find similar
Allegiant Air
Aug 29
PDX8:46 amPortland
4h 07m
CVG3:53 pmCincinnati Cinci./N. Kentucky
Sep 1
CVG6:15 amCincinnati Cinci./N. Kentucky
4h 41m
PDX7:56 amPortland
$119
Find similar

Frontier flights from Portland to Cincinnati

Our best Frontier deals on Portland to Cincinnati flight tickets
Frontier
Aug 13
PDX12:25 pmPortland
9h 29m
1 stop
CVG12:54 amCincinnati Cinci./N. Kentucky
Aug 16
CVG7:15 amCincinnati Cinci./N. Kentucky
7h 15m
1 stop
PDX11:30 amPortland
$238
Find similar
Frontier
Aug 12
PDX6:35 amPortland
15h 19m
1 stop
CVG12:54 amCincinnati Cinci./N. Kentucky
Aug 16
CVG7:15 amCincinnati Cinci./N. Kentucky
19h 09m
1 stop
PDX11:24 pmPortland
$247
Find similar
Frontier
Aug 13
PDX12:25 pmPortland
9h 29m
1 stop
CVG12:54 amCincinnati Cinci./N. Kentucky
Aug 15
CVG6:08 pmCincinnati Cinci./N. Kentucky
9h 07m
1 stop
PDX12:15 amPortland
$258
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Portland to Cincinnati that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated July 29, 2025.
Use the filters below to find and compare flights from Portland to Cincinnati that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PortlandCincinnati

PDX - CVG

PDXCVG

Portland

Fri 8/22

8:46 am-3:53 pm

Nonstop4h 07m

Cincinnati Cinci./N. Kentucky

Mon 8/25

6:15 am-7:56 am

Nonstop4h 41m

$106

PortlandCincinnati

PDX - CVG

PDXCVG

Portland

Mon 8/25

8:46 am-3:53 pm

Nonstop4h 07m

Cincinnati Cinci./N. Kentucky

Mon 9/1

6:15 am-7:56 am

Nonstop4h 41m

$112

PortlandCincinnati

PDX - CVG

PDXCVG

Portland

Fri 8/29

8:46 am-3:53 pm

Nonstop4h 07m

Cincinnati Cinci./N. Kentucky

Mon 9/1

6:15 am-7:56 am

Nonstop4h 41m

$119

PortlandCincinnati

PDX - CVG

PDXCVG

Portland

Wed 8/13

12:25 pm-12:54 am

1 stop9h 29m

Cincinnati Cinci./N. Kentucky

Sat 8/16

7:15 am-11:30 am

1 stop7h 15m

$238

PortlandCincinnati

PDX - CVG

PDXCVG

Portland

Tue 8/12

6:35 am-12:54 am

1 stop15h 19m

Cincinnati Cinci./N. Kentucky

Sat 8/16

7:15 am-11:24 pm

1 stop19h 09m

$247

PortlandCincinnati

PDX - CVG

PDXCVG

Portland

Tue 10/14

7:20 am-5:49 pm

1 stop7h 29m

Cincinnati Cinci./N. Kentucky

Wed 10/22

6:49 pm-10:45 pm

1 stop6h 56m

$300

PortlandCincinnati

PDX - CVG

PDXCVG

Portland

Sat 8/30

5:35 am-2:43 pm

1 stop6h 08m

Cincinnati Cinci./N. Kentucky

Tue 9/2

4:33 pm-8:59 pm

1 stop7h 26m

$301

PortlandCincinnati

PDX - CVG

PDXCVG

Portland

Tue 8/19

5:35 am-2:43 pm

1 stop6h 08m

Cincinnati Cinci./N. Kentucky

Wed 8/27

6:20 am-11:39 am

1 stop8h 19m

$317

PortlandCincinnati

PDX - CVG

PDXCVG

Portland

Sat 8/23

7:00 am-5:23 pm

1 stop7h 23m

Cincinnati Cinci./N. Kentucky

Tue 8/26

2:38 pm-8:47 pm

1 stop9h 09m

$322

PortlandCincinnati

PDX - CVG

PDXCVG

Portland

Tue 10/14

7:20 am-5:49 pm

1 stop7h 29m

Cincinnati Cinci./N. Kentucky

Thu 10/23

6:49 pm-10:45 pm

1 stop6h 56m

$350

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Cincinnati from

How to get the cheapest flight ticket from Portland to Cincinnati

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Cincinnati?

The month of June is, on average, the cheapest month to fly to Cincinnati from Portland, with most prices found around $272. If you aren’t able to travel to Cincinnati during the month of June, then flying in July is also cheap. Prices for this month can be found on momondo for an average of $306.

What is the cheapest day to depart on your flight to Cincinnati?

According to our data, Thursday is the cheapest day to fly to Cincinnati from Portland. The lowest ticket price found for a Thursday departure recently was $104. 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, Monday 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 $156.

What is the cheapest time of day to depart on your flight to Cincinnati?

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 $106. At noon is when there is more demand to fly to Cincinnati, so prices are often more expensive at around $451 per ticket.

What is the cheapest Portland to Cincinnati Cinci./N. Kentucky flight route?

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

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

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 $381 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 $264 on momondo.

What cabin class options are available on Portland to Cincinnati Cinci./N. Kentucky flights?

There are 1 cabin classes available to choose from on Portland to Cincinnati Cinci./N. Kentucky flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Portland to Cincinnati flight prices changed over time?

As of July 2025, prices for Portland to Cincinnati flights are approximately 58% cheaper when compared to flights at the same time last year.

When to book flights from Portland to Cincinnati

Are you open to changing your travel dates? Check out the ideal times to fly from Portland to Cincinnati according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Portland to Cincinnati (PDX to CVG) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Portland to Cincinnati

Best Price Found

$53

Fastest flight time

4h 07m

Direct flights

Tue and Sat

Airports in Cincinnati

1 airport
The best one-way flight to Cincinnati from Portland in the past 72 hours is $53. The best round-trip flight deal from Portland to Cincinnati found on momondo in the last 72 hours is $106.
The fastest flight from Portland to Cincinnati takes 4h 07m
Direct flights go from Portland to Cincinnati on Tuesday and Saturday. The only airline offering direct flights is Allegiant Air.
There is 1 airport near Cincinnati: Cincinnati Cinci./N. Kentucky (CVG)
Search flight deals

  • How far is Portland to Cincinnati Cinci./N. Kentucky by plane?

    Cincinnati Cinci./N. Kentucky is 1978.6 mi away from Portland. Typically, this will take 4h 07m by plane in normal conditions.

  • When did momondo last update prices for flights from Portland Airport to Cincinnati Cinci./N. Kentucky Airport?

    Prices for flights from Portland Airport to Cincinnati Cinci./N. Kentucky Airport refresh daily.

  • How many operators does momondo search for flights from Portland Airport to Cincinnati Cinci./N. Kentucky Airport?

  • How old do you have to be to fly from Portland Airport to Cincinnati Cinci./N. Kentucky Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Portland Airport to Cincinnati Cinci./N. Kentucky Airport.

  • What documentation or ID do you need to fly to Cincinnati Cinci./N. Kentucky Airport?

    The necessary travel and health documents for your Cincinnati Cinci./N. Kentucky Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Portland to Cincinnati?

  • What is the most popular airline from Portland to Cincinnati?

Best airlines flying from Portland to Cincinnati

Compare and see reviews for airlines that fly from Portland to Cincinnati with momondo
Airline
Rating
Free Cancellation
Price
Allegiant AirPriceFrom $76Free CancellationRating
7.2
703 reviews
Search Allegiant Air flights
FrontierPriceFrom $102Free CancellationRating
5.9
3,238 reviews
Search Frontier flights
DeltaPriceFrom $267Free CancellationRating
8.0
7,977 reviews
Search Delta flights
American AirlinesPriceFrom $278Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $281Free CancellationRating
7.4
8,899 reviews
Search United Airlines flights
SouthwestPriceFrom $336Free CancellationRating
8.0
4,238 reviews
Search Southwest flights
Alaska AirlinesPriceFrom $340Free CancellationRating
8.0
10,000 reviews
Search Alaska Airlines flights

  • Allegiant Air Flights From Portland to Cincinnati

    Allegiant Air operates around 2 flights from Portland to Cincinnati every week. The average price of these flights found in the last 72 hours has been $150, but momondo users have found Allegiant Air deals from Portland to Cincinnati from as low as $76 round-trip. Allegiant Air has been scored 7.2/10 in 702 reviews.

Traveling to a place near Cincinnati?

Book flights to Cincinnati if you plan to visit one of these locations
Florence
Mason
Newport
Sharonville
Covington
Middletown
Williamstown
Lawrenceburg
West Chester
Blue Ash
Fairfield
Oxford
Dry Ridge
Edgewood
Monroe
Trenton
Hebron
Corinth
Bethel
Ghent

Why use momondo?

Why should I use momondo to find a flight deal from Portland to Cincinnati?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Portland to Cincinnati. momondo saves you time and could save you money on your trip.

Can I find flights from Portland to Cincinnati with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Portland to Cincinnati flights to just show those with flexible booking policies.

How can momondo help me find flights from Portland to Cincinnati?

momondo helps you find the best flight between Portland and Cincinnati by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Portland to Cincinnati right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Cincinnati from Portland. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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