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$280+ Cheap flights from Ohio to Porto (OPO)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/7. Fares are subject to change and may not be available on all flights or dates of travel.
CVG — OPO
Mar 6 — Mar 131
Fri 3/6
Fri 3/13
1 adult, Economy
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Cheap flight deals from Ohio to Porto

Cheapest flights from Ohio to Porto
Explore the most affordable flight options available from Ohio to Porto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 4, 2026.

This United Airlines deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/104:58 pm
CVG
-
OPO
1 stop12h 32m
United Airlines
Tue 3/176:00 am
OPO
-
CVG
2 stops21h 46m
United Airlines
Deal found 2/1$488
This United Airlines deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/108:35 am
CVG
-
OPO
2 stops20h 55m
United Airlines
Wed 3/186:00 am
OPO
-
CVG
2 stops20h 15m
United Airlines
Deal found 2/3$492
This FlightHub deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/152:15 pm
CMH
-
OPO
2 stops27h 40m
Lufthansa
Wed 4/2912:00 pm
OPO
-
CMH
2 stops16h 44m
Lufthansa
Deal found 2/2$496
This Delta deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/108:15 pm
CVG
-
OPO
1 stop34h 15m
Delta
Thu 3/1911:20 am
OPO
-
CVG
2 stops27h 05m
Delta
Deal found 2/3$498
This Delta deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/108:15 pm
CVG
-
OPO
1 stop34h 15m
Delta
Wed 3/1811:25 am
OPO
-
CVG
1 stop32h 50m
Delta
Deal found 2/3$500
This Delta deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/101:00 pm
CVG
-
OPO
2 stops22h 25m
Delta
Tue 3/175:00 am
OPO
-
CVG
2 stops21h 37m
Delta
Deal found 2/3$501
This United Airlines deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/114:58 pm
CVG
-
OPO
2 stops18h 27m
United Airlines
Wed 3/186:00 am
OPO
-
CVG
2 stops20h 15m
United Airlines
Deal found 2/3$508
This United Airlines deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/193:00 pm
PIT
-
OPO
2 stops16h 40m
United Airlines
Thu 3/266:00 am
OPO
-
PIT
2 stops21h 10m
United Airlines
Deal found 2/2$509
This KAYAK deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/117:45 pm
CVG
-
OPO
2 stops22h 40m
Lufthansa
Tue 3/176:00 am
OPO
-
CVG
2 stops21h 46m
Lufthansa
Deal found 2/1$509
This Air Canada deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/239:30 am
CMH
-
OPO
2 stops32h 55m
Multiple Airlines
Tue 4/286:00 am
OPO
-
CMH
2 stops19h 52m
Multiple Airlines
Deal found 2/2$549
This Delta deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/166:47 pm
PIT
-
OPO
2 stops35h 43m
Delta
Wed 4/15:00 am
OPO
-
PIT
2 stops22h 46m
Delta
Deal found 2/3$560
This Iberia deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/2311:56 am
CMH
-
OPO
2 stops18h 49m
Iberia
Tue 4/288:40 pm
OPO
-
CMH
2 stops28h 35m
Iberia
Deal found 2/3$575

Find flight deals from Ohio to Porto

Keep the following information in mind while searching for Ohio to Porto flight deals. Data was last updated February 4, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$488
(United Airlines)

One-way from

$280
(Orbitz)

Popular in

January

Cheapest in

December
Provider with most accurate pricing for Cleveland Hopkins Intl-Porto flight deals.
Search Deals
Provider most trusted by Cheapflights users for Cleveland Hopkins Intl-Porto flights.
Search Deals
From Ohio to Porto
Search Deals
One-way flight from Ohio to Porto
Search Deals
Highest demand for flights based on searches. 17% potential increase in price ($241 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 9% potential price decrease ($102 potential savings vs. average RT price).
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ohio 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, Cheapflights users made 2,558,603 searches. Data last updated February 4, 2026.
Use the filters below to find and compare flights from Ohio to Porto that are best for you.

Fly from

Ohio

Fly to

Porto

Route

Depart

Return

Price

CincinnatiPorto

CVG - OPO

CVGOPO

Cincinnati Cinci./N. Kentucky

Tue 3/10

4:58 pm-9:30 am

1 stop12h 32m

Porto

Wed 3/18

6:00 am-6:49 pm

2 stops16h 49m

$488

CincinnatiPorto

CVG - OPO

CVGOPO

Cincinnati Cinci./N. Kentucky

Tue 3/10

4:58 pm-9:30 am

1 stop12h 32m

Porto

Thu 3/19

6:00 am-8:13 pm

2 stops18h 13m

$488

CincinnatiPorto

CVG - OPO

CVGOPO

Cincinnati Cinci./N. Kentucky

Tue 3/10

8:15 pm-10:30 am

1 stop34h 15m

Porto

Wed 3/18

5:00 am-9:34 pm

2 stops20h 34m

$492

CincinnatiPorto

CVG - OPO

CVGOPO

Cincinnati Cinci./N. Kentucky

Tue 3/10

11:00 am-9:30 am

2 stops18h 30m

Porto

Tue 3/17

6:00 am-11:46 pm

2 stops21h 46m

$492

CincinnatiPorto

CVG - OPO

CVGOPO

Cincinnati Cinci./N. Kentucky

Tue 3/10

1:00 pm-3:25 pm

2 stops22h 25m

Porto

Tue 3/17

5:00 am-10:37 pm

2 stops21h 37m

$501

CincinnatiPorto

CVG - OPO

CVGOPO

Cincinnati Cinci./N. Kentucky

Tue 3/10

1:00 pm-10:30 am

2 stops17h 30m

Porto

Thu 3/19

11:20 am-4:03 pm

2 stops32h 43m

$507

PittsburghPorto

PIT - OPO

PITOPO

Pittsburgh

Thu 3/19

3:00 pm-2:45 pm

2 stops19h 45m

Porto

Thu 3/26

6:00 am-11:10 pm

2 stops21h 10m

$509

PittsburghPorto

PIT - OPO

PITOPO

Pittsburgh

Mon 3/16

6:47 pm-10:30 am

2 stops35h 43m

Porto

Wed 4/1

5:00 am-10:46 pm

2 stops22h 46m

$560

ColumbusPorto

CMH - OPO

CMHOPO

Columbus

Thu 4/23

11:56 am-11:45 am

2 stops18h 49m

Porto

Tue 4/28

8:40 pm-8:15 pm

2 stops28h 35m

$575

ColumbusPorto

CMH - OPO

CMHOPO

Columbus

Sun 4/26

7:37 pm-9:45 am

2 stops33h 08m

Porto

Fri 5/15

6:00 am-1:17 am

2 stops24h 17m

$589

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/3

Showing 1-10 of 52 results
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Best time to book a flight from Ohio to Porto

Have a flexible travel schedule? Discover the best time to fly to Porto from Ohio with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Ohio to Porto

What is the cheapest month to book a flight from Ohio to Porto?

Currently, February is the cheapest month in which you can book a flight from Ohio to Porto (average of $495). Flying from Ohio to Porto in January is currently the most expensive (average of $837). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost to fly round-trip from Ohio to Porto?

Related info for your journey

Find useful and relevant information for your journey from Ohio to Porto. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Porto from Ohio?

    Located just 6.8 mi from the city center, Porto (OPO) is the airport most travelers will use when flying to Porto from Ohio.

  • How long is the flight from Ohio to Porto?

    For as low as $488, United Airlines can have you in Porto from Ohio in 12h 32m. Airlines will cover a distance of 3878 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the most popular routes from Ohio to Porto?

    When deciding which route to take from Ohio to Porto consider Cincinnati Cinci./N. Kentucky - Porto, Columbus - Porto or Pittsburgh - Porto as they are the most popular.

  • Can I find deals for flights from Ohio to Porto that include hotel bookings?

    Yes. In addition to deals on Ohio to Porto flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ohio to Porto?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ohio to Porto.

  • Can I find deals for business class flights from Ohio to Porto?

    Yes. Cheapflights offers flight deals from Ohio to Porto by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Ohio to Porto?

    Currently, February is the cheapest month in which you can book a flight from Ohio to Porto (average of $495). Flying from Ohio to Porto in January is currently the most expensive (average of $837). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Porto?

Book flights to Porto if you plan to visit one of these locations
Vila Nova de Gaia
Aveiro
Arcos de Valdevez
Coimbra

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Alternative routes for Ohio to Porto

See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from Ohio to Porto

Discover the top 3 airlines that operate flights from Ohio to Porto. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 4, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$582Average$1,114FlexibilityNo cancel feeOn-time69%
DeltaCheapest$731Average$975FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$775Average$908FlexibilityNo cancel feeOn-time71%

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