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Cheap flights from Cincinnati to Porto from $365

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 Porto departing on 4/20. 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
1 adult, Economy, 0 bags

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Find the cheapest flights from Cincinnati to Porto

Cheap round-trip flights

Enter your travel dates to find the best prices.
Iberia Logo
3:08 pm - 7:40 am
CVG
-
OPO
35h 32m
2 stops
Iberia Logo
8:20 am - 9:44 pm
OPO
-
CVG
18h 24m
2 stops
$776Iberia
Mon, Apr 20 - Tue, May 5
British Airways Logo
9:05 pm - 8:05 pm
CVG
-
OPO
18h 00m
1 stop
British Airways Logo
12:25 pm - 7:15 pm
OPO
-
CVG
35h 50m
2 stops
$803British Airways
Mon, Apr 20 - Tue, May 5
Iberia Logo
11:23 am - 7:40 am
CVG
-
OPO
15h 17m
2 stops
Iberia Logo
8:40 pm - 6:20 pm
OPO
-
CVG
26h 40m
2 stops
$813Iberia
Tue, Aug 18 - Wed, Sep 2
Air Canada Logo
1:55 pm - 7:00 am
CVG
-
OPO
12h 05m
1 stop
Air Canada Logo
2:25 pm - 3:17 pm
OPO
-
CVG
29h 52m
2 stops
$827Air Canada
Tue, Aug 18 - Wed, Sep 2
United Airlines Logo
1:55 pm - 7:00 am
CVG
-
OPO
12h 05m
1 stop
United Airlines Logo
12:35 pm - 8:42 pm
OPO
-
CVG
13h 07m
1 stop
$847United Airlines
Tue, Aug 18 - Wed, Sep 2
Iberia Logo
3:33 pm - 11:45 am
CVG
-
OPO
15h 12m
2 stops
Iberia Logo
8:40 pm - 6:20 pm
OPO
-
CVG
26h 40m
2 stops
$863Iberia
Tue, Aug 18 - Wed, Sep 2
American Airlines Logo
8:25 am - 7:40 am
CVG
-
OPO
18h 15m
2 stops
American Airlines Logo
8:20 am - 10:09 pm
OPO
-
CVG
18h 49m
2 stops
$865American Airlines
Wed, May 6 - Wed, May 13
Iberia Logo
12:27 pm - 11:45 am
CVG
-
OPO
18h 18m
2 stops
Iberia Logo
8:40 pm - 9:05 pm
OPO
-
CVG
29h 25m
2 stops
$873Iberia
Sat, Sep 19 - Mon, Sep 28
Air Canada Logo
1:55 pm - 7:00 am
CVG
-
OPO
12h 05m
1 stop
Air Canada Logo
2:25 pm - 3:17 pm
OPO
-
CVG
29h 52m
2 stops
$877Air Canada
Tue, Aug 18 - Wed, Sep 2
United Airlines Logo
1:55 pm - 7:00 am
CVG
-
OPO
12h 05m
1 stop
United Airlines Logo
12:35 pm - 8:42 pm
OPO
-
CVG
13h 07m
1 stop
$897United Airlines
Tue, Aug 18 - Wed, Sep 2

Air France flights from Cincinnati to Porto

Our best Air France deals on Cincinnati to Porto flight tickets
Air France
May 6
CVG5:00 pmCincinnati Cinci./N. Kentucky
34h 30m
1 stop
OPO8:30 amPorto
May 13
OPO5:55 amPorto
14h 10m
1 stop
CVG3:05 pmCincinnati Cinci./N. Kentucky
$927
Air France
May 15
CVG5:00 pmCincinnati Cinci./N. Kentucky
17h 25m
1 stop
OPO3:25 pmPorto
May 20
OPO5:55 amPorto
14h 10m
1 stop
CVG3:05 pmCincinnati Cinci./N. Kentucky
$957
Air France
May 11
CVG5:00 pmCincinnati Cinci./N. Kentucky
24h 00m
1 stop
OPO10:00 pmPorto
May 18
OPO4:20 pmPorto
27h 45m
1 stop
CVG3:05 pmCincinnati Cinci./N. Kentucky
$962

Delta flights from Cincinnati to Porto

Our best Delta deals on Cincinnati to Porto flight tickets
Delta
May 6
CVG4:55 pmCincinnati Cinci./N. Kentucky
17h 30m
2 stops
OPO3:25 pmPorto
May 13
OPO5:55 amPorto
14h 10m
1 stop
CVG3:05 pmCincinnati Cinci./N. Kentucky
$905
Delta
May 6
CVG4:55 pmCincinnati Cinci./N. Kentucky
17h 30m
2 stops
OPO3:25 pmPorto
May 23
OPO5:55 amPorto
14h 10m
1 stop
CVG3:05 pmCincinnati Cinci./N. Kentucky
$915
Delta
May 6
CVG4:55 pmCincinnati Cinci./N. Kentucky
17h 30m
2 stops
OPO3:25 pmPorto
May 23
OPO5:00 amPorto
17h 18m
2 stops
CVG5:18 pmCincinnati Cinci./N. Kentucky
$918

momondo Fare Finder

 
Customize your flight search to find flights from Cincinnati to Porto 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 March 28, 2026.
Use the filters below to find and compare flights from Cincinnati to Porto that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

CincinnatiPorto

CVG - OPO

CVGOPO

Cincinnati Cinci./N. Kentucky

Mon 4/20

3:08 pm-7:40 am

2 stops35h 32m

Porto

Tue 5/5

8:20 am-9:44 pm

2 stops18h 24m

$776

CincinnatiPorto

CVG - OPO

CVGOPO

Cincinnati Cinci./N. Kentucky

Mon 4/20

9:05 pm-8:05 pm

1 stop18h 00m

Porto

Tue 5/5

12:25 pm-7:15 pm

2 stops35h 50m

$803

CincinnatiPorto

CVG - OPO

CVGOPO

Cincinnati Cinci./N. Kentucky

Tue 8/18

11:23 am-7:40 am

2 stops15h 17m

Porto

Wed 9/2

8:40 pm-6:20 pm

2 stops26h 40m

$813

CincinnatiPorto

CVG - OPO

CVGOPO

Cincinnati Cinci./N. Kentucky

Tue 8/18

1:55 pm-7:00 am

1 stop12h 05m

Porto

Wed 9/2

2:25 pm-3:17 pm

2 stops29h 52m

$827
Quickest round-trip

CincinnatiPorto

CVG - OPO

CVGOPO

Cincinnati Cinci./N. Kentucky

Tue 8/18

1:55 pm-7:00 am

1 stop12h 05m

Porto

Wed 9/2

12:35 pm-8:42 pm

1 stop13h 07m

$847

CincinnatiPorto

CVG - OPO

CVGOPO

Cincinnati Cinci./N. Kentucky

Tue 8/18

3:33 pm-11:45 am

2 stops15h 12m

Porto

Wed 9/2

8:40 pm-6:20 pm

2 stops26h 40m

$863

CincinnatiPorto

CVG - OPO

CVGOPO

Cincinnati Cinci./N. Kentucky

Wed 5/6

8:25 am-7:40 am

2 stops18h 15m

Porto

Wed 5/13

8:20 am-10:09 pm

2 stops18h 49m

$865

CincinnatiPorto

CVG - OPO

CVGOPO

Cincinnati Cinci./N. Kentucky

Sat 9/19

12:27 pm-11:45 am

2 stops18h 18m

Porto

Mon 9/28

8:40 pm-9:05 pm

2 stops29h 25m

$873

CincinnatiPorto

CVG - OPO

CVGOPO

Cincinnati Cinci./N. Kentucky

Tue 8/18

1:55 pm-7:00 am

1 stop12h 05m

Porto

Wed 9/2

2:25 pm-3:17 pm

2 stops29h 52m

$877

CincinnatiPorto

CVG - OPO

CVGOPO

Cincinnati Cinci./N. Kentucky

Tue 8/18

1:55 pm-7:00 am

1 stop12h 05m

Porto

Wed 9/2

12:35 pm-8:42 pm

1 stop13h 07m

$897

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Cincinnati to Porto

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 Porto?

Can stopping save me money on Cincinnati to Porto flights?

You could potentially save up to 48% on your flight if you consider stops on a Cincinnati to Porto flight.

When to book flights from Cincinnati to Porto

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

Cheap Cincinnati to Porto (CVG to OPO) flight deals and tips

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

Fastest flight time

12h 05m

Direct flights

None
The fastest flight from Cincinnati to Porto takes 12h 05m
There are no direct flights from Cincinnati to Porto. There are no popular flight routes from Cincinnati to Porto.
Search flight deals

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

    There are 3874.2 mi between Cincinnati Cinci./N. Kentucky and Porto. In terms of flight time, this usually takes a little over 12h 05m.

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

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

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

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

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

    The required travel and health documents for your Porto 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 Porto Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

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

Best airlines flying from Cincinnati to Porto

Compare and see reviews for airlines that fly from Cincinnati to Porto with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $541Free CancellationRating
7.4
9,499 reviews
Search United Airlines flights
DeltaPriceFrom $574Free CancellationRating
7.9
8,356 reviews
Search Delta flights
American AirlinesPriceFrom $775Free CancellationRating
7.1
11,520 reviews
Search American Airlines flights

Traveling to a place near Porto?

Book flights to Porto if you plan to visit one of these locations
Vila Nova de Gaia
Coimbra
Aveiro
Braga
Matosinhos
Lamego
Esposende
Chaves
Pinhao
Guimarães
Espinho
Arcos de Valdevez
Viseu
Ponte de Lima
Curia
Penafiel
Mesao Frio
Mira
Baiao

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Cincinnati to Porto. Millions of users trust and use momondo every year so you are in good hands.

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

momondo does allow users to show only those flights to Porto from Cincinnati which offer a flexible booking policy as well as other useful filters and features.

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

Once all potential Cincinnati to Porto flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

If you are not ready to book a flight from Cincinnati to Porto now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Porto and let you know when they change.

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