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$351+ 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 5/6. Fares are subject to change and may not be available on all flights or dates of travel.
CVG — OPO
4月 2 — 4月 91
週三 4/2
週三 4/9
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 3月 28, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$840
(Gurufare)

One-way from

$351
(Kiwi.com)

Popular in

February

Cheapest in

November

Average price

$873
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. 1% potential increase in price ($19 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 March 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 3月 28, 2025.

This American Airlines deal was found by Cheapflights users on 3/26. 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.
週二 10/712:28 pmCVG - OPO
2 stops14h 07mAmerican Airlines
週三 10/228:15 amOPO - CVG
2 stops16h 19mAmerican Airlines
Deal found 3/26$815
This Mytrip deal was found by Cheapflights users on 3/26. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
週二 6/244:30 pmCVG - OPO
2 stops35h 55mAir Canada
週二 7/112:50 pmOPO - CVG
2 stops27h 27mAir Canada
Deal found 3/26$899
This United Airlines deal was found by Cheapflights users on 3/27. 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.
週二 5/272:10 pmCVG - OPO
2 stops14h 35mUnited Airlines
週三 6/49:35 amOPO - CVG
2 stops19h 10mUnited Airlines
Deal found 3/27$925
This Kiwi.com deal was found by Cheapflights users on 3/26. 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.
週五 5/95:30 amCVG - OPO
2 stops37h 10mMultiple Airlines
週四 5/156:05 pmOPO - CVG
1 stop23h 45mMultiple Airlines
Deal found 3/26$934
This Gurufare deal was found by Cheapflights users on 3/26. 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.
週六 5/104:53 pmCVG - OPO
2 stops22h 42mBritish Airways
週日 5/188:15 amOPO - CVG
2 stops36h 18mBritish Airways
Deal found 3/26$963
This Delta deal was found by Cheapflights users on 3/26. 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.
週二 7/296:20 pmCVG - OPO
1 stop16h 10mDelta
週五 8/86:40 amOPO - CVG
2 stops17h 51mDelta
Deal found 3/26$971
This KLM deal was found by Cheapflights users on 3/27. 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.
週四 5/156:20 pmCVG - OPO
1 stop16h 10mKLM
週一 6/26:30 amOPO - CVG
2 stops19h 27mKLM
Deal found 3/27$1,011
This Air France deal was found by Cheapflights users on 3/27. 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.
週二 7/296:20 pmCVG - OPO
1 stop16h 10mAir France
週五 8/87:05 pmOPO - CVG
1 stop25h 05mAir France
Deal found 3/27$1,049
This Justfly.com deal was found by Cheapflights users on 3/26. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
週日 5/112:10 pmCVG - OPO
2 stops23h 05mSWISS
週五 5/168:40 amOPO - CVG
2 stops16h 58mSWISS
Deal found 3/26$1,591
This FlightHub deal was found by Cheapflights users on 3/26. 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.
週二 5/132:44 pmCVG - OPO
2 stops15h 56mIberia
週五 5/168:35 amOPO - CVG
2 stops16h 30mIberia
Deal found 3/26$1,803
This Ovago deal was found by Cheapflights users on 3/26. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
週日 5/1112:20 pmCVG - OPO
2 stops17h 50mScandinavian Airlines
週三 5/1412:15 pmOPO - CVG
2 stops39h 59mScandinavian Airlines
Deal found 3/26$2,205
This Cheapflightsfares deal was found by Cheapflights users on 3/27. 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.
週六 9/610:25 amCVG - OPO
2 stops31h 55mLufthansa
週一 9/156:00 amOPO - CVG
2 stops15h 58mLufthansa
Deal found 3/27$12,434

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 3月 28, 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

週一 5/5

11:10 am-7:35 am

2 stops15h 25m

Porto

週三 5/14

8:15 am-9:26 pm

2 stops18h 11m

$865

CincinnatiPorto

CVG - OPO

CVGOPO

Cincinnati Cinci./N. Kentucky

週二 6/24

4:30 pm-9:25 am

2 stops35h 55m

Porto

週二 7/1

12:50 pm-11:17 am

2 stops27h 27m

$899

CincinnatiPorto

CVG - OPO

CVGOPO

Cincinnati Cinci./N. Kentucky

週二 5/27

2:10 pm-9:45 am

2 stops14h 35m

Porto

週三 6/4

9:35 am-11:45 pm

2 stops19h 10m

$925

CincinnatiPorto

CVG - OPO

CVGOPO

Cincinnati Cinci./N. Kentucky

週五 5/9

5:30 am-11:40 pm

2 stops37h 10m

Porto

週四 5/15

6:05 pm-12:50 pm

1 stop23h 45m

$934

CincinnatiPorto

CVG - OPO

CVGOPO

Cincinnati Cinci./N. Kentucky

週六 5/10

4:53 pm-8:35 pm

2 stops22h 42m

Porto

週日 5/18

8:15 am-3:33 pm

2 stops36h 18m

$963

CincinnatiPorto

CVG - OPO

CVGOPO

Cincinnati Cinci./N. Kentucky

週四 5/15

6:20 pm-3:30 pm

1 stop16h 10m

Porto

週一 6/2

6:30 am-8:57 pm

2 stops19h 27m

$1,011

CincinnatiPorto

CVG - OPO

CVGOPO

Cincinnati Cinci./N. Kentucky

週二 5/13

1:48 pm-3:30 pm

2 stops20h 42m

Porto

週一 5/19

4:20 pm-3:10 pm

1 stop27h 50m

$1,063

CincinnatiPorto

CVG - OPO

CVGOPO

Cincinnati Cinci./N. Kentucky

週一 5/5

6:12 pm-3:30 pm

2 stops40h 18m

Porto

週三 5/14

4:20 pm-3:10 pm

1 stop27h 50m

$1,127

CincinnatiPorto

CVG - OPO

CVGOPO

Cincinnati Cinci./N. Kentucky

週日 5/11

2:10 pm-6:15 pm

2 stops23h 05m

Porto

週五 5/16

8:40 am-8:38 pm

2 stops16h 58m

$1,591

CincinnatiPorto

CVG - OPO

CVGOPO

Cincinnati Cinci./N. Kentucky

週二 5/13

2:44 pm-11:40 am

2 stops15h 56m

Porto

週五 5/16

8:35 am-8:05 pm

2 stops16h 30m

$1,803

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/25

Showing 1-10 of 16 results
1
2
  • Most accurate provider: When it comes to deals on Cincinnati-Porto flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Cincinnati-Porto flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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 $1,084). 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 3月 28, 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 3月 28, 2025.
Delta
8.0
Very good
7,896 reviews

Crew

8.5

Entertainment

7.9

Comfort

8.0

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
7,896 reviews
Delta
8.0
Very good
7,896 reviews

Crew

8.5

Entertainment

7.9

Comfort

8.0

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
1,321 reviews
Delta
8.0
Very good
7,896 reviews

Crew

8.5

Entertainment

7.9

Comfort

8.0

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
1,570 reviews
Delta
8.0
Very good
7,896 reviews

Crew

8.5

Entertainment

7.9

Comfort

8.0

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
7.4
Good
1,424 reviews
Delta
8.0
Very good
7,896 reviews

Crew

8.5

Entertainment

7.9

Comfort

8.0

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
8,603 reviews
Delta
8.0
Very good
7,896 reviews

Crew

8.5

Entertainment

7.9

Comfort

8.0

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 $865, was found to be the cheapest airline from Cincinnati to Porto.Alternate airlines to your destination round-trip include Air France and Air Canada. American Airlines is currently priced 13% 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 $681 on American Airlines. Other airlines that offer cheap prices include KLM from $696 and United Airlines from $749 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 $1,084). 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
Arcos de Valdevez

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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 3月 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$750Average$1,242FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$783Average$874FlexibilityNo cancel feeOn-time71%
DeltaCheapest$824Average$925FlexibilityNo cancel feeOn-timeN/A
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