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Cheap flights from Cincinnati to Porto from $338

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 3/15. 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 Porto

Cheap round-trip flights

Enter your travel dates to find the best prices.
Lufthansa Logo
2:03 pm - 10:55 pm
CVG
-
OPO
27h 52m
2 stops
Lufthansa Logo
6:00 am - 11:59 pm
OPO
-
CVG
22h 59m
2 stops
$666Lufthansa
Wed, May 6 - Sat, May 23
Delta Logo
6:25 pm - 9:40 pm
CVG
-
OPO
22h 15m
1 stop
Delta Logo
5:00 am - 6:55 pm
OPO
-
CVG
18h 55m
2 stops
$688Delta
Fri, May 1 - Sun, May 10
Iberia Logo
7:46 pm - 4:00 pm
CVG
-
OPO
15h 14m
2 stops
Iberia Logo
8:20 am - 8:06 pm
OPO
-
CVG
16h 46m
2 stops
$696Iberia
Fri, May 1 - Sun, May 10
United Airlines Logo
7:00 am - 9:30 am
CVG
-
OPO
21h 30m
2 stops
United Airlines Logo
12:35 pm - 9:38 am
OPO
-
CVG
26h 03m
2 stops
$697United Airlines
Fri, Feb 27 - Tue, Mar 3
Lufthansa Logo
2:03 pm - 10:55 pm
CVG
-
OPO
27h 52m
2 stops
Lufthansa Logo
12:35 pm - 10:45 pm
OPO
-
CVG
15h 10m
1 stop
$699Lufthansa
Wed, May 6 - Sat, May 23
United Airlines Logo
8:35 am - 2:45 pm
CVG
-
OPO
25h 10m
2 stops
United Airlines Logo
12:35 pm - 9:59 pm
OPO
-
CVG
14h 24m
1 stop
$712United Airlines
Fri, Feb 27 - Tue, Mar 3
United Airlines Logo
8:35 am - 11:40 am
CVG
-
OPO
22h 05m
2 stops
United Airlines Logo
12:35 pm - 10:10 am
OPO
-
CVG
26h 35m
2 stops
$717United Airlines
Fri, Feb 27 - Tue, Mar 3
SWISS Logo
11:24 am - 7:55 am
CVG
-
OPO
39h 31m
2 stops
SWISS Logo
12:15 pm - 4:49 pm
OPO
-
CVG
33h 34m
2 stops
$751SWISS
Wed, May 6 - Sat, May 23
Lufthansa Logo
7:40 pm - 10:55 pm
CVG
-
OPO
22h 15m
2 stops
Lufthansa Logo
12:35 pm - 8:37 pm
OPO
-
CVG
13h 02m
1 stop
$773Lufthansa
Wed, May 6 - Sat, May 23
United Airlines Logo
11:00 am - 9:30 am
CVG
-
OPO
17h 30m
2 stops
United Airlines Logo
12:55 pm - 11:53 pm
OPO
-
CVG
14h 58m
2 stops
$778United Airlines
Sat, Mar 7 - Sat, Mar 14

Delta flights from Cincinnati to Porto

Our best Delta deals on Cincinnati to Porto flight tickets
Delta
May 1
CVG6:25 pmCincinnati Cinci./N. Kentucky
22h 15m
1 stop
OPO9:40 pmPorto
May 10
OPO5:00 amPorto
18h 55m
2 stops
CVG6:55 pmCincinnati Cinci./N. Kentucky
$688
Delta
May 6
CVG5:57 pmCincinnati Cinci./N. Kentucky
16h 28m
2 stops
OPO3:25 pmPorto
May 23
OPO6:30 amPorto
13h 30m
1 stop
CVG3:00 pmCincinnati Cinci./N. Kentucky
$827
Delta
May 19
CVG6:00 pmCincinnati Cinci./N. Kentucky
19h 20m
2 stops
OPO6:20 pmPorto
Jun 2
OPO6:15 amPorto
13h 45m
1 stop
CVG3:00 pmCincinnati Cinci./N. Kentucky
$843

Iberia flights from Cincinnati to Porto

Our best Iberia deals on Cincinnati to Porto flight tickets
Iberia
May 1
CVG7:46 pmCincinnati Cinci./N. Kentucky
15h 14m
2 stops
OPO4:00 pmPorto
May 10
OPO8:20 amPorto
16h 46m
2 stops
CVG8:06 pmCincinnati Cinci./N. Kentucky
$696
Iberia
May 6
CVG1:10 pmCincinnati Cinci./N. Kentucky
17h 35m
2 stops
OPO11:45 amPorto
May 23
OPO8:40 pmPorto
28h 38m
2 stops
CVG8:18 pmCincinnati Cinci./N. Kentucky
$875

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 February 11, 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

CincinnatiPorto

CVG - OPO

CVGOPO

Cincinnati Cinci./N. Kentucky

Wed 5/6

2:03 pm-10:55 pm

2 stops27h 52m

Porto

Sat 5/23

6:00 am-11:59 pm

2 stops22h 59m

$666

CincinnatiPorto

CVG - OPO

CVGOPO

Cincinnati Cinci./N. Kentucky

Fri 5/1

6:25 pm-9:40 pm

1 stop22h 15m

Porto

Sun 5/10

5:00 am-6:55 pm

2 stops18h 55m

$688

CincinnatiPorto

CVG - OPO

CVGOPO

Cincinnati Cinci./N. Kentucky

Fri 5/1

7:46 pm-4:00 pm

2 stops15h 14m

Porto

Sun 5/10

8:20 am-8:06 pm

2 stops16h 46m

$696

CincinnatiPorto

CVG - OPO

CVGOPO

Cincinnati Cinci./N. Kentucky

Fri 2/27

7:00 am-9:30 am

2 stops21h 30m

Porto

Tue 3/3

12:35 pm-9:38 am

2 stops26h 03m

$697

CincinnatiPorto

CVG - OPO

CVGOPO

Cincinnati Cinci./N. Kentucky

Wed 5/6

2:03 pm-10:55 pm

2 stops27h 52m

Porto

Sat 5/23

12:35 pm-10:45 pm

1 stop15h 10m

$699

CincinnatiPorto

CVG - OPO

CVGOPO

Cincinnati Cinci./N. Kentucky

Fri 2/27

8:35 am-2:45 pm

2 stops25h 10m

Porto

Tue 3/3

12:35 pm-9:59 pm

1 stop14h 24m

$712

CincinnatiPorto

CVG - OPO

CVGOPO

Cincinnati Cinci./N. Kentucky

Fri 2/27

8:35 am-11:40 am

2 stops22h 05m

Porto

Tue 3/3

12:35 pm-10:10 am

2 stops26h 35m

$717

CincinnatiPorto

CVG - OPO

CVGOPO

Cincinnati Cinci./N. Kentucky

Wed 5/6

11:24 am-7:55 am

2 stops39h 31m

Porto

Sat 5/23

12:15 pm-4:49 pm

2 stops33h 34m

$751

CincinnatiPorto

CVG - OPO

CVGOPO

Cincinnati Cinci./N. Kentucky

Wed 5/6

7:40 pm-10:55 pm

2 stops22h 15m

Porto

Sat 5/23

12:35 pm-8:37 pm

1 stop13h 02m

$773

CincinnatiPorto

CVG - OPO

CVGOPO

Cincinnati Cinci./N. Kentucky

Sat 3/7

11:00 am-9:30 am

2 stops17h 30m

Porto

Sat 3/14

12:55 pm-11:53 pm

2 stops14h 58m

$778

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 19 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

Can stopping save me money on Cincinnati to Porto flights?

You could potentially save up to 33% 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

11h 30m

Direct flights

None
The fastest flight from Cincinnati to Porto takes 11h 30m
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 11h 30m.

  • 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
DeltaPriceFrom $574Free CancellationRating
7.9
8,179 reviews
Search Delta flights
United AirlinesPriceFrom $582Free CancellationRating
7.4
9,276 reviews
Search United Airlines flights
American AirlinesPriceFrom $775Free CancellationRating
7.2
11,267 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
Matosinhos
Braga
Aveiro
Esposende
Lamego
Guimarães
Pinhao
Chaves
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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