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Cheap flights from Cincinnati to Portland from $51

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Cincinnati to Portland departing on 9/29. 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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Find the cheapest flights from Cincinnati to Portland

Cheap round-trip flights

Allegiant Air Logo
9:00 am - 10:41 amCVG-PDX
4h 41mnonstop
Allegiant Air Logo
3:53 pm - 11:00 pmPDX-CVG
4h 07mnonstop
$110Allegiant Air
Find Deal
Mon, Sep 29 - Fri, Oct 3
Allegiant Air Logo
1:22 pm - 3:03 pmCVG-PDX
4h 41mnonstop
Allegiant Air Logo
3:53 pm - 11:00 pmPDX-CVG
4h 07mnonstop
$124Allegiant Air
Find Deal
Mon, Oct 13 - Fri, Oct 17
Allegiant Air Logo
9:00 am - 10:41 amCVG-PDX
4h 41mnonstop
Allegiant Air Logo
3:53 pm - 11:00 pmPDX-CVG
4h 07mnonstop
$125Allegiant Air
Find Deal
Mon, Sep 29 - Fri, Oct 3
Allegiant Air Logo
1:22 pm - 3:03 pmCVG-PDX
4h 41mnonstop
Allegiant Air Logo
3:53 pm - 11:00 pmPDX-CVG
4h 07mnonstop
$146Allegiant Air
Find Deal
Fri, Oct 17 - Mon, Oct 20
Multiple Airlines Logo
1:22 pm - 3:03 pmCVG-PDX
4h 41mnonstop
Multiple Airlines Logo
12:43 pm - 11:59 pmPDX-CVG
8h 16m1 stop
$151Multiple Airlines
Find Deal
Fri, Oct 17 - Wed, Oct 22
Allegiant Air Logo
1:22 pm - 3:03 pmCVG-PDX
4h 41mnonstop
Allegiant Air Logo
3:53 pm - 11:00 pmPDX-CVG
4h 07mnonstop
$152Allegiant Air
Find Deal
Fri, Oct 3 - Mon, Oct 6
Frontier Logo
6:05 am - 11:48 amCVG-PDX
8h 43m1 stop
Frontier Logo
12:43 pm - 1:39 amPDX-CVG
9h 56m1 stop
$153Frontier
Find Deal
Fri, Oct 24 - Mon, Oct 27
Multiple Airlines Logo
9:00 am - 10:41 amCVG-PDX
4h 41mnonstop
Multiple Airlines Logo
6:05 am - 1:40 amPDX-CVG
16h 35m1 stop
$154Multiple Airlines
Find Deal
Mon, Sep 29 - Fri, Oct 3
Frontier Logo
8:00 am - 11:48 amCVG-PDX
6h 48m1 stop
Frontier Logo
12:43 pm - 1:39 amPDX-CVG
9h 56m1 stop
$163Frontier
Find Deal
Tue, Oct 7 - Thu, Oct 9
Frontier Logo
9:30 pm - 6:44 pmCVG-PDX
24h 14m1 stop
Frontier Logo
12:52 pm - 1:39 amPDX-CVG
9h 47m1 stop
$181Frontier
Find Deal
Thu, Oct 30 - Tue, Nov 4

Allegiant Air flights from Cincinnati to Portland

Our best Allegiant Air deals on Cincinnati to Portland flight tickets
Allegiant Air
Sep 29
CVG9:00 amCincinnati Cinci./N. Kentucky
4h 41m
PDX10:41 amPortland
Oct 3
PDX3:53 pmPortland
4h 07m
CVG11:00 pmCincinnati Cinci./N. Kentucky
$110
Find similar
Allegiant Air
Sep 22
CVG9:00 amCincinnati Cinci./N. Kentucky
4h 41m
PDX10:41 amPortland
Sep 26
PDX11:31 amPortland
4h 07m
CVG6:38 pmCincinnati Cinci./N. Kentucky
$114
Find similar
Allegiant Air
Oct 13
CVG1:22 pmCincinnati Cinci./N. Kentucky
4h 41m
PDX3:03 pmPortland
Oct 17
PDX3:53 pmPortland
4h 07m
CVG11:00 pmCincinnati Cinci./N. Kentucky
$124
Find similar

Frontier flights from Cincinnati to Portland

Our best Frontier deals on Cincinnati to Portland flight tickets
Frontier
Oct 24
CVG6:05 amCincinnati Cinci./N. Kentucky
8h 43m
1 stop
PDX11:48 amPortland
Oct 27
PDX12:43 pmPortland
9h 56m
1 stop
CVG1:39 amCincinnati Cinci./N. Kentucky
$153
Find similar
Frontier
Oct 7
CVG8:00 amCincinnati Cinci./N. Kentucky
6h 48m
1 stop
PDX11:48 amPortland
Oct 9
PDX12:43 pmPortland
9h 56m
1 stop
CVG1:39 amCincinnati Cinci./N. Kentucky
$163
Find similar
Frontier
Oct 30
CVG9:30 pmCincinnati Cinci./N. Kentucky
24h 14m
1 stop
PDX6:44 pmPortland
Nov 4
PDX12:52 pmPortland
9h 47m
1 stop
CVG1:39 amCincinnati Cinci./N. Kentucky
$181
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Cincinnati to Portland 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 September 17, 2025.
Use the filters below to find and compare flights from Cincinnati to Portland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

CincinnatiPortland

CVG - PDX

CVGPDX

Cincinnati Cinci./N. Kentucky

Mon 9/29

9:00 am-10:41 am

Nonstop4h 41m

Portland

Fri 10/3

3:53 pm-11:00 pm

Nonstop4h 07m

$110

CincinnatiPortland

CVG - PDX

CVGPDX

Cincinnati Cinci./N. Kentucky

Mon 10/13

1:22 pm-3:03 pm

Nonstop4h 41m

Portland

Fri 10/17

3:53 pm-11:00 pm

Nonstop4h 07m

$124

CincinnatiPortland

CVG - PDX

CVGPDX

Cincinnati Cinci./N. Kentucky

Mon 9/29

9:00 am-10:41 am

Nonstop4h 41m

Portland

Fri 10/3

3:53 pm-11:00 pm

Nonstop4h 07m

$125

CincinnatiPortland

CVG - PDX

CVGPDX

Cincinnati Cinci./N. Kentucky

Fri 10/17

1:22 pm-3:03 pm

Nonstop4h 41m

Portland

Mon 10/20

3:53 pm-11:00 pm

Nonstop4h 07m

$146

CincinnatiPortland

CVG - PDX

CVGPDX

Cincinnati Cinci./N. Kentucky

Fri 10/17

1:22 pm-3:03 pm

Nonstop4h 41m

Portland

Wed 10/22

12:43 pm-11:59 pm

1 stop8h 16m

$151

CincinnatiPortland

CVG - PDX

CVGPDX

Cincinnati Cinci./N. Kentucky

Fri 10/3

1:22 pm-3:03 pm

Nonstop4h 41m

Portland

Mon 10/6

3:53 pm-11:00 pm

Nonstop4h 07m

$152

CincinnatiPortland

CVG - PDX

CVGPDX

Cincinnati Cinci./N. Kentucky

Fri 10/24

6:05 am-11:48 am

1 stop8h 43m

Portland

Mon 10/27

12:43 pm-1:39 am

1 stop9h 56m

$153

CincinnatiPortland

CVG - PDX

CVGPDX

Cincinnati Cinci./N. Kentucky

Mon 9/29

9:00 am-10:41 am

Nonstop4h 41m

Portland

Fri 10/3

6:05 am-1:40 am

1 stop16h 35m

$154

CincinnatiPortland

CVG - PDX

CVGPDX

Cincinnati Cinci./N. Kentucky

Tue 10/7

8:00 am-11:48 am

1 stop6h 48m

Portland

Thu 10/9

12:43 pm-1:39 am

1 stop9h 56m

$163

CincinnatiPortland

CVG - PDX

CVGPDX

Cincinnati Cinci./N. Kentucky

Thu 10/30

9:30 pm-6:44 pm

1 stop24h 14m

Portland

Tue 11/4

12:52 pm-1:39 am

1 stop9h 47m

$181

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 Portland from

How to get the cheapest flight ticket from Cincinnati to Portland

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 typical price of a round-trip flight between Cincinnati and Portland?

What is the cheapest month to fly to Portland?

The cheapest month to fly to Portland from Cincinnati is in September. Flight prices, which tend to average around $167, are often lower during this time because this is during the off-season. If you don’t want to visit Portland in September, then you should wait until August to fly from Cincinnati, when ticket prices are also cheap, with an average price of $202.

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

The cheapest day to depart on your flight to Portland is on a Wednesday when prices can be found for as low as $140. 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 Tuesday, with ticket prices averaging around $228.

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

The cheapest time of day to fly to Portland is at noon when flights can be purchased for as low as $140. In the afternoon is when there is more demand to fly to Portland, so prices are often more expensive at around $397 per ticket.

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

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

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

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 $344 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 $230 on momondo.

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

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

Can stopping save me money on Cincinnati to Portland flights?

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

How have Cincinnati to Portland flight prices changed over time?

As of September 2025, prices for Cincinnati to Portland flights are approximately 45% cheaper when compared to flights at the same time last year.

When to book flights from Cincinnati to Portland

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

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

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

Best Price Found

$51

Fastest flight time

4h 41m

Direct flights

Tue and Sat

Airports in Portland

1 airport
The best one-way flight to Portland from Cincinnati in the past 72 hours is $51. The best round-trip flight deal from Cincinnati to Portland found on momondo in the last 72 hours is $118.
The fastest flight from Cincinnati to Portland takes 4h 41m
Direct flights go from Cincinnati to Portland on Tuesday and Saturday. The only airline offering direct flights is Allegiant Air.
There is 1 airport near Portland: Portland (PDX)
Search flight deals

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

    Cincinnati Cinci./N. Kentucky and Portland are 1978.6 mi apart from one another. Typically, this will take 4h 41m by plane in normal conditions.

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

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

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

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Cincinnati Cinci./N. Kentucky Airport to Portland Airport.

  • What documentation or ID do you need to fly to Portland Airport?

    The required travel and health documents for your Portland Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Portland Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

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

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

Best airlines flying from Cincinnati to Portland

Compare and see reviews for airlines that fly from Cincinnati to Portland with momondo
Airline
Rating
Free Cancellation
Price
Allegiant AirPriceFrom $101Free CancellationRating
7.2
699 reviews
Search Allegiant Air flights
FrontierPriceFrom $151Free CancellationRating
5.8
3,173 reviews
Search Frontier flights
Alaska AirlinesPriceFrom $221Free CancellationRating
8.0
10,000 reviews
Search Alaska Airlines flights
DeltaPriceFrom $235Free CancellationRating
7.9
7,961 reviews
Search Delta flights
American AirlinesPriceFrom $255Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $258Free CancellationRating
7.4
8,926 reviews
Search United Airlines flights
SouthwestPriceFrom $298Free CancellationRating
8.0
4,242 reviews
Search Southwest flights

  • Allegiant Air Flights From Cincinnati to Portland

    Across 1 Allegiant Air flight from Cincinnati to Portland this week, the average price was $157, with the best Allegiant Air deals starting from $101 round-trip. 699 users have rated Allegiant Air on momondo, with an average score of 7.2/10.

Traveling to a place near Portland?

Book flights to Portland if you plan to visit one of these locations
Lincoln City
Seaside
Cannon Beach
Vancouver
Salem
Astoria
Long Beach
Depoe Bay
Rockaway Beach
Beaverton
Hillsboro
Hood River
Gresham
McMinnville
Longview
Tigard
The Dalles
Pacific City
Tillamook
Manzanita

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Portland from Cincinnati.

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

All flight searches from Cincinnati to Portland on momondo can be filtered to show those which offer flexible booking policies.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Portland from Cincinnati.

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

If you are simply researching potential flights to Portland, momondo offers a useful price alert feature which will track prices for flights to Portland from Cincinnati and alert you when they change.

An easier way to manage your Portland trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
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