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Cheap flights from Cincinnati to Porto from $272

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 5/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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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
2:10 pm - 10:25 pm
CVG
-
OPO
27h 15m2 stops
Lufthansa Logo
6:00 am - 6:50 pm
OPO
-
CVG
16h 50m2 stops
$492Lufthansa
Wed, Mar 4 - Wed, Mar 18
Multiple Airlines Logo
2:12 pm - 10:30 am
CVG
-
OPO
15h 18m2 stops
Multiple Airlines Logo
9:55 am - 10:35 pm
OPO
-
CVG
17h 40m2 stops
$493Multiple Airlines
Tue, Feb 10 - Tue, Feb 17
Multiple Airlines Logo
2:08 pm - 12:50 pm
CVG
-
OPO
17h 42m2 stops
Multiple Airlines Logo
12:05 pm - 8:18 pm
OPO
-
CVG
37h 13m2 stops
$496Multiple Airlines
Mon, Feb 9 - Mon, Feb 16
Air France Logo
2:25 pm - 10:30 am
CVG
-
OPO
15h 05m2 stops
Air France Logo
11:25 am - 4:15 pm
OPO
-
CVG
32h 50m1 stop
$502Air France
Wed, Mar 4 - Wed, Mar 18
United Airlines Logo
7:00 am - 11:40 am
CVG
-
OPO
23h 40m2 stops
United Airlines Logo
6:00 am - 4:43 pm
OPO
-
CVG
39h 43m2 stops
$507United Airlines
Fri, Feb 6 - Tue, Feb 10
Lufthansa Logo
2:20 pm - 10:25 pm
CVG
-
OPO
28h 05m2 stops
Lufthansa Logo
12:30 pm - 11:46 pm
OPO
-
CVG
39h 16m2 stops
$512Lufthansa
Sun, Mar 8 - Sun, Mar 15
United Airlines Logo
5:55 pm - 2:45 pm
CVG
-
OPO
39h 50m2 stops
United Airlines Logo
12:30 pm - 8:18 pm
OPO
-
CVG
60h 48m3 stops
$538United Airlines
Mon, Feb 9 - Mon, Feb 16
Lufthansa Logo
4:58 pm - 9:30 am
CVG
-
OPO
12h 32m1 stop
Lufthansa Logo
12:30 pm - 11:46 pm
OPO
-
CVG
39h 16m2 stops
$594Lufthansa
Sun, Mar 8 - Sun, Mar 15
Iberia Logo
9:50 pm - 8:00 pm
CVG
-
OPO
18h 10m2 stops
Iberia Logo
8:40 pm - 8:21 pm
OPO
-
CVG
51h 41m2 stops
$668Iberia
Tue, Mar 17 - Sun, Mar 22
British Airways Logo
9:50 pm - 5:45 pm
CVG
-
OPO
15h 55m1 stop
British Airways Logo
8:05 pm - 11:52 pm
OPO
-
CVG
31h 47m2 stops
$709British Airways
Tue, Mar 17 - Sun, Mar 22

Delta flights from Cincinnati to Porto

Our best Delta deals on Cincinnati to Porto flight tickets
Delta
Apr 8
CVG6:25 pmCincinnati Cinci./N. Kentucky
16h 00m
1 stop
OPO3:25 pmPorto
Apr 12
OPO6:30 amPorto
20h 04m
2 stops
CVG9:34 pmCincinnati Cinci./N. Kentucky
$652
Find similar
Delta
Mar 26
CVG11:00 amCincinnati Cinci./N. Kentucky
19h 30m
2 stops
OPO10:30 amPorto
Apr 4
OPO6:30 amPorto
13h 45m
1 stop
CVG3:15 pmCincinnati Cinci./N. Kentucky
$913
Find similar
Delta
Mar 26
CVG11:00 amCincinnati Cinci./N. Kentucky
19h 30m
2 stops
OPO10:30 amPorto
Apr 4
OPO6:30 amPorto
19h 53m
2 stops
CVG9:23 pmCincinnati Cinci./N. Kentucky
$1,078
Find similar

Air France flights from Cincinnati to Porto

Our best Air France deals on Cincinnati to Porto flight tickets
Air France
Mar 4
CVG2:25 pmCincinnati Cinci./N. Kentucky
15h 05m
2 stops
OPO10:30 amPorto
Mar 18
OPO11:25 amPorto
32h 50m
1 stop
CVG4:15 pmCincinnati Cinci./N. Kentucky
$502
Find similar
Air France
Apr 8
CVG6:25 pmCincinnati Cinci./N. Kentucky
16h 00m
1 stop
OPO3:25 pmPorto
Apr 12
OPO4:20 pmPorto
27h 55m
1 stop
CVG3:15 pmCincinnati Cinci./N. Kentucky
$547
Find similar
Air France
May 6
CVG4:55 pmCincinnati Cinci./N. Kentucky
24h 05m
1 stop
OPO10:00 pmPorto
May 23
OPO4:20 pmPorto
27h 45m
1 stop
CVG3:05 pmCincinnati Cinci./N. Kentucky
$780
Find similar

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 December 28, 2025.
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 3/4

2:10 pm-10:25 pm

2 stops27h 15m

Porto

Wed 3/18

6:00 am-6:50 pm

2 stops16h 50m

$492

CincinnatiPorto

CVG - OPO

CVGOPO

Cincinnati Cinci./N. Kentucky

Tue 2/10

2:12 pm-10:30 am

2 stops15h 18m

Porto

Tue 2/17

9:55 am-10:35 pm

2 stops17h 40m

$493

CincinnatiPorto

CVG - OPO

CVGOPO

Cincinnati Cinci./N. Kentucky

Mon 2/9

2:08 pm-12:50 pm

2 stops17h 42m

Porto

Mon 2/16

12:05 pm-8:18 pm

2 stops37h 13m

$496

CincinnatiPorto

CVG - OPO

CVGOPO

Cincinnati Cinci./N. Kentucky

Wed 3/4

2:25 pm-10:30 am

2 stops15h 05m

Porto

Wed 3/18

11:25 am-4:15 pm

1 stop32h 50m

$502

CincinnatiPorto

CVG - OPO

CVGOPO

Cincinnati Cinci./N. Kentucky

Fri 2/6

7:00 am-11:40 am

2 stops23h 40m

Porto

Tue 2/10

6:00 am-4:43 pm

2 stops39h 43m

$507

CincinnatiPorto

CVG - OPO

CVGOPO

Cincinnati Cinci./N. Kentucky

Sun 3/8

2:20 pm-10:25 pm

2 stops28h 05m

Porto

Sun 3/15

12:30 pm-11:46 pm

2 stops39h 16m

$512

CincinnatiPorto

CVG - OPO

CVGOPO

Cincinnati Cinci./N. Kentucky

Mon 2/9

5:55 pm-2:45 pm

2 stops39h 50m

Porto

Mon 2/16

12:30 pm-8:18 pm

3 stops60h 48m

$538

CincinnatiPorto

CVG - OPO

CVGOPO

Cincinnati Cinci./N. Kentucky

Sun 3/8

4:58 pm-9:30 am

1 stop12h 32m

Porto

Sun 3/15

12:30 pm-11:46 pm

2 stops39h 16m

$594

CincinnatiPorto

CVG - OPO

CVGOPO

Cincinnati Cinci./N. Kentucky

Tue 3/17

9:50 pm-8:00 pm

2 stops18h 10m

Porto

Sun 3/22

8:40 pm-8:21 pm

2 stops51h 41m

$668

CincinnatiPorto

CVG - OPO

CVGOPO

Cincinnati Cinci./N. Kentucky

Tue 3/17

9:50 pm-5:45 pm

1 stop15h 55m

Porto

Sun 3/22

8:05 pm-11:52 pm

2 stops31h 47m

$709

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 17 resultsSorted by cheapest first
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See travel insights to Porto from

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 cheapest day to depart on your flight to Porto?

The cheapest day to depart on your flight to Porto is on a Wednesday when prices can be found for as low as $918. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Monday because tickets tend to average around $1,497. These prices are subject to change though, so be sure to set up a Price Alert for flights to Porto.

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

In the morning is the cheapest time of day to fly from Cincinnati to Porto when you can find flight prices for as low as $884. Flying to Porto in the morning is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $1,155 on average. Flights to Porto from Cincinnati in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.

Can stopping save me money on Cincinnati to Porto flights?

You could potentially save up to 26% 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

15h 18m

Direct flights

None
The fastest flight from Cincinnati to Porto takes 15h 18m
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 15h 18m.

  • 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 $646Free CancellationRating
7.4
9,113 reviews
Search United Airlines flights
American AirlinesPriceFrom $775Free CancellationRating
7.2
11,072 reviews
Search American Airlines flights
DeltaPriceFrom $829Free CancellationRating
7.9
8,019 reviews
Search Delta 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
Braga
Aveiro
Matosinhos
Guimarães
Esposende
Lamego
Chaves
Viseu
Espinho
Arcos de Valdevez
Pinhao
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.

An easier way to manage your Porto 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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