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$227+ 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 10/11. Fares are subject to change and may not be available on all flights or dates of travel.
CVG — OPO
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
1 adult, Economy
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Cheap flight deals from Ohio to Porto

Keep the following information in mind while searching for Ohio to Porto flight deals. Data was last updated September 16, 2025.

Round-trip from

$557
(Cheapflightsfares)

One-way from

$227
(Kiwi.com)

Popular in

January

Cheapest in

November

Average price

$1,423
From Ohio to Porto
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One-way flight from Ohio to Porto
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Highest demand for flights based on searches. 16% potential increase in price ($238 potential increase over avg. RT price).
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Cheapest flight prices on average. 9% potential price decrease ($99 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find 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 September 16, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 9/14. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/57:40 pmCVG - OPO
2 stops23h 00mLufthansa
Wed 11/1212:30 pmOPO - CVG
2 stops16h 19mLufthansa
Deal found 9/14$557
This Priceline deal was found by Cheapflights users on 9/14. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/1412:24 pmCVG - OPO
2 stops14h 11mIberia
Tue 11/118:20 amOPO - CVG
2 stops18h 15mIberia
Deal found 9/14$558
This Expedia deal was found by Cheapflights users on 9/14. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2912:35 pmCMH - OPO
2 stops39h 05mIberia
Wed 11/58:40 pmOPO - CMH
2 stops25h 50mIberia
Deal found 9/14$566
This United Airlines deal was found by Cheapflights users on 9/14. 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 11/57:40 pmCVG - OPO
2 stops14h 45mUnited Airlines
Wed 11/1212:35 pmOPO - CVG
1 stop13h 32mUnited Airlines
Deal found 9/14$570
This KLM deal was found by Cheapflights users on 9/14. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/146:30 pmCVG - OPO
1 stop16h 00mKLM
Tue 11/1111:10 amOPO - CVG
2 stops16h 38mKLM
Deal found 9/14$573
This Gurufare deal was found by Cheapflights users on 9/14. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/292:20 pmCMH - OPO
2 stops29h 20mLufthansa
Wed 11/512:35 pmOPO - CMH
1 stop13h 11mLufthansa
Deal found 9/14$583
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/56:00 amCLE - OPO
1 stop23h 35mMultiple Airlines
Wed 10/2210:00 pmOPO - CLE
2 stops45h 57mMultiple Airlines
Deal found 9/15$591
This United deal was found by Cheapflights users on 9/14. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/148:00 amCMH - OPO
1 stop20h 45mMultiple Airlines
Tue 10/216:00 amOPO - CMH
2 stops38h 33mMultiple Airlines
Deal found 9/14$602
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/66:00 amCLE - OPO
1 stop23h 55mMultiple Airlines
Wed 10/2210:00 pmOPO - CLE
2 stops45h 57mMultiple Airlines
Deal found 9/15$603
This Cheapflightsfares deal was found by Cheapflights users on 9/14. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/1410:30 amCMH - OPO
2 stops31h 50mLufthansa
Tue 10/216:00 amOPO - CMH
2 stops15h 43mLufthansa
Deal found 9/14$609
This Lufthansa deal was found by Cheapflights users on 9/14. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/32:11 pmCMH - OPO
2 stops27h 14mLufthansa
Sun 12/76:00 amOPO - CMH
2 stops18h 03mLufthansa
Deal found 9/14$617
This United Airlines deal was found by Cheapflights users on 9/15. 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 12/37:55 pmCLE - OPO
2 stops14h 30mUnited Airlines
Sun 12/712:30 pmOPO - CLE
2 stops35h 27mUnited Airlines
Deal found 9/15$636

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 September 16, 2025.
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

Wed 11/5

7:40 pm-11:40 pm

2 stops23h 00m

Porto

Wed 11/12

12:30 pm-11:49 pm

2 stops16h 19m

$557

CincinnatiPorto

CVG - OPO

CVGOPO

Cincinnati Cinci./N. Kentucky

Tue 10/14

12:24 pm-7:35 am

2 stops14h 11m

Porto

Tue 11/11

8:20 am-9:35 pm

2 stops18h 15m

$558

ColumbusPorto

CMH - OPO

CMHOPO

Columbus

Wed 10/29

12:35 pm-7:40 am

2 stops39h 05m

Porto

Wed 11/5

8:40 pm-5:30 pm

2 stops25h 50m

$566

ColumbusPorto

CMH - OPO

CMHOPO

Columbus

Mon 1/12

2:22 pm-11:45 am

2 stops16h 23m

Porto

Mon 1/26

4:40 pm-10:07 pm

2 stops34h 27m

$569

ColumbusPorto

CMH - OPO

CMHOPO

Columbus

Mon 1/12

9:21 am-11:50 am

1 stop21h 29m

Porto

Mon 1/26

6:40 pm-1:44 pm

1 stop24h 04m

$570

CincinnatiPorto

CVG - OPO

CVGOPO

Cincinnati Cinci./N. Kentucky

Wed 11/5

7:40 pm-3:25 pm

2 stops14h 45m

Porto

Wed 11/12

12:35 pm-9:07 pm

1 stop13h 32m

$570

CincinnatiPorto

CVG - OPO

CVGOPO

Cincinnati Cinci./N. Kentucky

Tue 10/14

6:30 pm-3:30 pm

1 stop16h 00m

Porto

Tue 11/11

11:10 am-10:48 pm

2 stops16h 38m

$573

ColumbusPorto

CMH - OPO

CMHOPO

Columbus

Wed 10/29

2:20 pm-11:40 pm

2 stops29h 20m

Porto

Wed 11/5

12:35 pm-8:46 pm

1 stop13h 11m

$583

ColumbusPorto

CMH - OPO

CMHOPO

Columbus

Tue 10/14

8:00 am-9:45 am

1 stop20h 45m

Porto

Tue 10/21

6:00 am-3:33 pm

2 stops38h 33m

$602

ColumbusPorto

CMH - OPO

CMHOPO

Columbus

Tue 10/14

10:30 am-11:20 pm

2 stops31h 50m

Porto

Tue 10/21

6:00 am-4:43 pm

2 stops15h 43m

$609

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 42 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, January is the cheapest month in which you can book a flight from Ohio to Porto (average of $523). Flying from Ohio to Porto in June is currently the most expensive (average of $1,027). 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.

What is the cheapest time of day to fly from OH to OPO?

Find hourly flight availability from Ohio to Porto. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 16, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Ohio to Porto as you normally would.

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 $558, Lufthansa can have you in Porto from Ohio in 14h 11m. 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, Pittsburgh - Porto or Cleveland Hopkins Intl - 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, January is the cheapest month in which you can book a flight from Ohio to Porto (average of $523). Flying from Ohio to Porto in June is currently the most expensive (average of $1,027). 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
Aveiro
Arcos de Valdevez
Coimbra

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Alternative routes for Ohio to Porto

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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 September 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$613Average$842FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$652Average$1,147FlexibilityNo cancel feeOn-time69%
DeltaCheapest$728Average$990FlexibilityNo cancel feeOn-timeN/A

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