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$446+ Cheap flights from Cincinnati (CVG) 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 6/16. Fares are subject to change and may not be available on all flights or dates of travel.
CVG — OPO
abr. 22 — abr. 291
mar. 4/22
mar. 4/29
1 adult, Economy
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Cheap flight deals from Cincinnati to Porto

Discover tips and strategies to find the most affordable flight options for your journey from Cincinnati (CVG) to Porto (OPO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated abril 17, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$717
(American Airlines)

One-way from

$446
(Kiwi.com)

Popular in

February

Cheapest in

November

Average price

$1,055
Provider with most accurate pricing for Cincinnati Cinci./N. Kentucky-Porto flight deals.
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Provider most trusted by Cheapflights users for Cincinnati Cinci./N. Kentucky-Porto flights.
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From Cincinnati Cinci./N. Kentucky to Porto
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One-way flight from Cincinnati Cinci./N. Kentucky to Porto
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Highest demand for flights based on searches. 2% potential increase in price ($26 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($37 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Find flight deals from Cincinnati to Porto

Cheapest flights from Cincinnati to Porto
Explore the most affordable flight options available from Cincinnati to Porto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on abril 17, 2025.

This United Airlines deal was found by Cheapflights users on 4/16. 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.
mar. 9/235:41 pmCVG - OPO
1 stop11h 04mUnited Airlines
mar. 9/3012:50 pmOPO - CVG
2 stops29h 19mUnited Airlines
Deal found 4/16$779
This United deal was found by Cheapflights users on 4/16. 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.
sáb. 9/207:36 pmCVG - OPO
2 stops30h 19mMultiple Airlines
mar. 9/3012:50 pmOPO - CVG
2 stops30h 29mMultiple Airlines
Deal found 4/16$784
This FlightHub deal was found by Cheapflights users on 4/17. 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.
mar. 10/77:05 amCVG - OPO
2 stops22h 55mScandinavian Airlines
mié. 10/2211:50 amOPO - CVG
2 stops41h 05mScandinavian Airlines
Deal found 4/17$787
This Air Canada deal was found by Cheapflights users on 4/17. 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.
dom. 9/214:30 pmCVG - OPO
2 stops36h 05mAir Canada
jue. 10/96:00 amOPO - CVG
2 stops43h 12mAir Canada
Deal found 4/17$797
This American Airlines deal was found by Cheapflights users on 4/17. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 5/511:10 amCVG - OPO
2 stops15h 25mAmerican Airlines
mié. 5/148:15 amOPO - CVG
2 stops17h 52mAmerican Airlines
Deal found 4/17$817
This KLM deal was found by Cheapflights users on 4/17. 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.
mar. 10/76:30 pmCVG - OPO
1 stop16h 00mKLM
mié. 10/226:15 amOPO - CVG
2 stops18h 21mKLM
Deal found 4/17$824
This SWISS deal was found by Cheapflights users on 4/17. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 9/212:06 pmCVG - OPO
2 stops23h 09mSWISS
lun. 10/612:50 pmOPO - CVG
2 stops33h 00mSWISS
Deal found 4/17$826
This Delta deal was found by Cheapflights users on 4/17. 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.
dom. 9/213:30 pmCVG - OPO
2 stops19h 00mDelta
mié. 10/84:20 pmOPO - CVG
1 stop27h 55mDelta
Deal found 4/17$837
This Lufthansa deal was found by Cheapflights users on 4/17. 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.
sáb. 9/207:41 pmCVG - OPO
2 stops33h 39mLufthansa
lun. 10/611:05 amOPO - CVG
2 stops34h 45mLufthansa
Deal found 4/17$846
This Gurufare deal was found by Cheapflights users on 4/17. 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.
lun. 7/289:50 pmCVG - OPO
1 stop17h 00mBritish Airways
dom. 8/109:25 pmOPO - CVG
1 stop27h 40mBritish Airways
Deal found 4/17$1,080
This Air France deal was found by Cheapflights users on 4/17. 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 France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 7/126:20 pmCVG - OPO
1 stop16h 10mAir France
vie. 7/257:05 pmOPO - CVG
1 stop25h 05mAir France
Deal found 4/17$1,122
This oojo deal was found by Cheapflights users on 4/17. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 4/307:30 amCVG - OPO
2 stops45h 15mTurkish Airlines
mié. 5/74:50 pmOPO - CVG
2 stops29h 12mTurkish Airlines
Deal found 4/17$1,791

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated abril 17, 2025.
Use the filters below to find and compare flights from Cincinnati to Porto that are best for you.

Fly from

Cincinnati

Fly to

Porto

Route

Depart

Return

Price

CincinnatiPorto

CVG - OPO

CVGOPO

Cincinnati Cinci./N. Kentucky

sáb. 5/3

4:30 pm-12:00 pm

2 stops38h 30m

Porto

vie. 5/16

6:00 am-11:37 pm

2 stops22h 37m

$812

CincinnatiPorto

CVG - OPO

CVGOPO

Cincinnati Cinci./N. Kentucky

lun. 5/5

11:10 am-7:35 am

2 stops15h 25m

Porto

mié. 5/14

8:15 am-9:07 pm

2 stops17h 52m

$817

CincinnatiPorto

CVG - OPO

CVGOPO

Cincinnati Cinci./N. Kentucky

sáb. 5/3

9:00 am-9:45 am

2 stops19h 45m

Porto

vie. 5/16

12:35 pm-11:37 pm

1 stop16h 02m

$857

CincinnatiPorto

CVG - OPO

CVGOPO

Cincinnati Cinci./N. Kentucky

jue. 5/1

2:10 pm-6:30 pm

2 stops23h 20m

Porto

dom. 5/11

8:40 am-8:38 pm

2 stops16h 58m

$946

CincinnatiPorto

CVG - OPO

CVGOPO

Cincinnati Cinci./N. Kentucky

mié. 6/11

1:30 pm-9:20 am

1 stop14h 50m

Porto

mar. 6/17

12:50 pm-4:56 pm

2 stops33h 06m

$1,094

CincinnatiPorto

CVG - OPO

CVGOPO

Cincinnati Cinci./N. Kentucky

sáb. 7/12

6:20 pm-3:30 pm

1 stop16h 10m

Porto

vie. 7/25

7:05 pm-3:10 pm

1 stop25h 05m

$1,122

CincinnatiPorto

CVG - OPO

CVGOPO

Cincinnati Cinci./N. Kentucky

sáb. 5/3

9:50 pm-10:50 am

1 stop32h 00m

Porto

vie. 5/16

9:10 pm-7:55 pm

1 stop27h 45m

$1,171

CincinnatiPorto

CVG - OPO

CVGOPO

Cincinnati Cinci./N. Kentucky

mié. 4/30

7:30 am-9:45 am

2 stops45h 15m

Porto

mié. 5/7

4:50 pm-5:02 pm

2 stops29h 12m

$1,791

CincinnatiPorto

CVG - OPO

CVGOPO

Cincinnati Cinci./N. Kentucky

lun. 6/16

8:15 am-11:05 pm

3 stops33h 50m

$446

CincinnatiPorto

CVG - OPO

CVGOPO

Cincinnati Cinci./N. Kentucky

jue. 4/24

7:30 am-5:05 pm

2 stops28h 35m

$606

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/17

Showing 1-10 of 12 results
1
2

Compare providers for flights from Cincinnati to Porto

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Cincinnati to Porto in April.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*2 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Cincinnati-Porto flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Cincinnati-Porto flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from Cincinnati-Porto flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Cincinnati-Porto flights, Cheapflights users trust AranGrant the most. AranGrant has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Cincinnati-Porto flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Cincinnati to Porto

Have a flexible travel schedule? Discover the best time to fly to Porto from Cincinnati 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 Cincinnati to Porto

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

Currently, January is the cheapest month in which you can book a flight from Cincinnati to Porto (average of $523). Flying from Cincinnati to Porto in June is currently the most expensive (average of $1,081). 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 CVG to OPO?

Find hourly flight availability from Cincinnati 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 abril 17, 2025.

It’s optimal to fly from Cincinnati to Porto in the morning. By choosing this option you can save up to 24% on the cost of your flight, compared to a flight in the afternoon.

Rainfall in Porto by month

Plan your trip to Porto by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Porto ranges from 0.7 - 7.7 inches per month. December is typically the wettest month, when rainfall can reach 7.7 in. July is typically the driest time to visit Porto when rainfall is around 0.7 in.

Temperature in Porto by month

Plan your trip to Porto by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Porto, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 68.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 48.2 F).

Reviews of airlines servicing Porto

Get insights into the airlines that provide service to Porto. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Porto. Reviews last updated abril 17, 2025.
Delta
8.0
Very good
7,916 reviews

Entertainment

7.9

Comfort

7.9

Crew

8.5

Overall

8.0

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,916 reviews
Delta
8.0
Very good
7,916 reviews

Entertainment

7.9

Comfort

7.9

Crew

8.5

Overall

8.0

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
KLM
7.8
Good
1,327 reviews
Delta
8.0
Very good
7,916 reviews

Entertainment

7.9

Comfort

7.9

Crew

8.5

Overall

8.0

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Air France
7.5
Good
1,435 reviews
Delta
8.0
Very good
7,916 reviews

Entertainment

7.9

Comfort

7.9

Crew

8.5

Overall

8.0

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
SWISS
7.5
Good
1,580 reviews
Delta
8.0
Very good
7,916 reviews

Entertainment

7.9

Comfort

7.9

Crew

8.5

Overall

8.0

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
8,667 reviews
Delta
8.0
Very good
7,916 reviews

Entertainment

7.9

Comfort

7.9

Crew

8.5

Overall

8.0

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

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

  • What are the cheapest airlines flying from Cincinnati to Porto round-trip?

    American Airlines, at $717, was found to be the cheapest airline from Cincinnati to Porto.Alternate airlines to your destination round-trip include United Airlines and Scandinavian Airlines. American Airlines is currently priced 27% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from Cincinnati to Porto one-way?

    One-way options have recently been found by users for as low as $606 on Scandinavian Airlines. Other airlines that offer cheap prices include British Airways from $815 and KLM from $1,162 one-way.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Cincinnati 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 Cincinnati to Porto?

    Currently, January is the cheapest month in which you can book a flight from Cincinnati to Porto (average of $523). Flying from Cincinnati to Porto in June is currently the most expensive (average of $1,081). 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 Cincinnati?

Book flights to Cincinnati if you plan to visit one of these locations
Aveiro
Coimbra
Matosinhos
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Top 3 airlines flying from Cincinnati to Porto

Discover the top 3 airlines that operate flights from Cincinnati 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 abril 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$750Average$1,067FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$783Average$844FlexibilityNo cancel feeOn-time71%
DeltaCheapest$824Average$952FlexibilityNo cancel feeOn-timeN/A

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