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$501+ Cheap flights from Kentucky 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 4/24. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — OPO
Jan 26 — Feb 21
Sun 1/26
Sun 2/2
1 adult, Economy
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Cheap flight deals from Kentucky to Porto

Discover tips and strategies to find the most affordable flight options for your journey from Kentucky (USKY) 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 January 21, 2025.

Round-trip from

$575
(Gotogate)
From Kentucky to Porto
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Find flight deals from Kentucky to Porto

Cheapest flights from Kentucky to Porto
Explore the most affordable flight options available from Kentucky to Porto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 21, 2025.

This Gotogate deal was found by Cheapflights users on 1/21. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/194:05 pmCVG - OPO
2 stops22h 35mMultiple Airlines
Mon 3/241:45 pmOPO - CVG
2 stops37h 45mMultiple Airlines
Deal found 1/21$611
This United Airlines deal was found by Cheapflights users on 1/21. 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.
Fri 3/144:05 pmCVG - OPO
2 stops39h 35mUnited Airlines
Fri 3/2112:30 pmOPO - CVG
2 stops32h 50mUnited Airlines
Deal found 1/21$746
This KAYAK deal was found by Cheapflights users on 1/21. 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.
Tue 10/712:30 pmCVG - OPO
2 stops17h 45mScandinavian Airlines
Wed 10/2212:05 pmOPO - CVG
2 stops38h 57mScandinavian Airlines
Deal found 1/21$809
This British Airways deal was found by Cheapflights users on 1/21. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/1712:24 pmCVG - OPO
2 stops18h 16mBritish Airways
Tue 10/288:20 amOPO - CVG
2 stops16h 39mBritish Airways
Deal found 1/21$825
This United Airlines deal was found by Cheapflights users on 1/21. 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.
Fri 10/1712:45 pmBNA - OPO
2 stops15h 00mUnited Airlines
Tue 10/2812:30 pmOPO - BNA
2 stops33h 24mUnited Airlines
Deal found 1/21$829
This United deal was found by Cheapflights users on 1/21. 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.
Fri 10/177:48 amBNA - OPO
1 stop19h 57mMultiple Airlines
Tue 10/286:00 amOPO - BNA
2 stops18h 31mMultiple Airlines
Deal found 1/21$868
This American Airlines deal was found by Cheapflights users on 1/21. 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.
Wed 4/3011:10 amCVG - OPO
2 stops15h 25mAmerican Airlines
Wed 5/78:15 amOPO - CVG
2 stops15h 42mAmerican Airlines
Deal found 1/21$936
This Delta deal was found by Cheapflights users on 1/21. 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 10/135:50 pmLEX - OPO
2 stops16h 45mDelta
Sun 10/195:00 amOPO - LEX
2 stops21h 31mDelta
Deal found 1/21$956
This Cheapflightsfares deal was found by Cheapflights users on 1/21. 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.
Thu 5/12:10 pmCVG - OPO
2 stops16h 05mLufthansa
Sun 5/116:00 amOPO - CVG
2 stops16h 02mLufthansa
Deal found 1/21$1,031
This Aeromexico deal was found by Cheapflights users on 1/21. 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 Aeromexico is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/305:45 pmCVG - OPO
2 stops33h 40mAir France
Wed 5/74:20 pmOPO - CVG
1 stop27h 50mAir France
Deal found 1/21$1,032
This Delta deal was found by Cheapflights users on 1/21. 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.
Thu 5/16:20 pmCVG - OPO
1 stop16h 10mDelta
Sun 5/114:20 pmOPO - CVG
2 stops22h 55mDelta
Deal found 1/21$1,094
This FlightHub deal was found by Cheapflights users on 1/21. 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.
Thu 5/2912:19 pmBNA - OPO
2 stops29h 21mTAP AIR PORTUGAL
Mon 6/26:05 pmOPO - BNA
1 stop31h 28mTAP AIR PORTUGAL
Deal found 1/21$1,159

Find flights from Kentucky to Porto within your budget

Customize your flight search to find flights from Kentucky 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 January 21, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

CincinnatiPorto

CVG - OPO

CVGOPO

Cincinnati Cinci./N. Kentucky

Mon 3/17

4:05 pm-11:15 am

2 stops39h 10m

Porto

Tue 4/1

6:00 am-3:22 pm

2 stops38h 22m

$575

CincinnatiPorto

CVG - OPO

CVGOPO

Cincinnati Cinci./N. Kentucky

Mon 3/17

6:23 pm-6:40 pm

2 stops20h 17m

Porto

Tue 4/1

8:40 am-8:45 pm

2 stops17h 05m

$610

CincinnatiPorto

CVG - OPO

CVGOPO

Cincinnati Cinci./N. Kentucky

Mon 2/10

4:05 pm-6:40 pm

2 stops21h 35m

Porto

Sun 2/16

6:00 am-3:26 pm

2 stops38h 26m

$659

CincinnatiPorto

CVG - OPO

CVGOPO

Cincinnati Cinci./N. Kentucky

Sat 2/1

9:35 pm-7:15 pm

1 stop16h 40m

Porto

Sun 2/16

8:20 am-10:30 pm

2 stops19h 10m

$705

CincinnatiPorto

CVG - OPO

CVGOPO

Cincinnati Cinci./N. Kentucky

Wed 4/30

11:10 am-7:35 am

2 stops15h 25m

Porto

Wed 5/7

8:15 am-6:57 pm

2 stops15h 42m

$936

NashvillePorto

BNA - OPO

BNAOPO

Nashville Intl

Thu 5/29

6:04 am-9:10 am

3 stops21h 06m

Porto

Mon 6/2

8:50 am-9:22 am

2 stops30h 32m

$950

CincinnatiPorto

CVG - OPO

CVGOPO

Cincinnati Cinci./N. Kentucky

Wed 4/30

5:45 pm-8:25 am

2 stops33h 40m

Porto

Wed 5/7

4:20 pm-3:10 pm

1 stop27h 50m

$1,033

CincinnatiPorto

CVG - OPO

CVGOPO

Cincinnati Cinci./N. Kentucky

Thu 5/1

10:21 am-11:20 pm

2 stops31h 59m

Porto

Sun 5/11

11:05 am-11:45 pm

2 stops17h 40m

$1,049

CincinnatiPorto

CVG - OPO

CVGOPO

Cincinnati Cinci./N. Kentucky

Thu 5/1

6:20 pm-3:30 pm

1 stop16h 10m

Porto

Sun 5/11

9:20 am-10:32 pm

2 stops18h 12m

$1,094

NashvillePorto

BNA - OPO

BNAOPO

Nashville Intl

Thu 5/29

12:19 pm-11:40 pm

2 stops29h 21m

Porto

Mon 6/2

6:05 pm-7:33 pm

1 stop31h 28m

$1,159

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/20

Showing 1-10 of 24 results
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Best time to book a flight from Kentucky to Porto

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

Travel insights for flights from Kentucky to Porto

Get recent, data-driven insights about flights from Kentucky to Porto including ideal travel times, pricing trends, and more.

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

Find hourly flight availability from Kentucky 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 January 21, 2025.

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

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 January 21, 2025.
See what other customers who have flown with United Airlines and Lufthansa from Kentucky to Porto have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,521 reviews

Food

7.3

Boarding

8.2

Overall

8.0

Crew

8.6

Entertainment

7.9

Comfort

8.0

Reviews

1 / 10

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

Delta
8.0
Very good
8,521 reviews
Delta
8.0
Very good
8,521 reviews

Food

7.3

Boarding

8.2

Overall

8.0

Crew

8.6

Entertainment

7.9

Comfort

8.0

Reviews

1 / 10

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

KLM
7.8
Good
1,341 reviews
Delta
8.0
Very good
8,521 reviews

Food

7.3

Boarding

8.2

Overall

8.0

Crew

8.6

Entertainment

7.9

Comfort

8.0

Reviews

1 / 10

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

SWISS
7.5
Good
1,600 reviews
Delta
8.0
Very good
8,521 reviews

Food

7.3

Boarding

8.2

Overall

8.0

Crew

8.6

Entertainment

7.9

Comfort

8.0

Reviews

1 / 10

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

Air France
7.4
Good
1,490 reviews
Delta
8.0
Very good
8,521 reviews

Food

7.3

Boarding

8.2

Overall

8.0

Crew

8.6

Entertainment

7.9

Comfort

8.0

Reviews

1 / 10

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

United Airlines
7.4
Good
8,985 reviews
Delta
8.0
Very good
8,521 reviews

Food

7.3

Boarding

8.2

Overall

8.0

Crew

8.6

Entertainment

7.9

Comfort

8.0

Reviews

1 / 10

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 Kentucky 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 Kentucky?

    Porto (OPO), located 6.8 mi from the city center, is the airport you fly into when you book flights from Kentucky to Porto.

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

    Most travelers choose Cincinnati Cinci./N. Kentucky - Porto, Nashville Intl - Porto or Lexington Blue Grass - Porto when deciding on the best route from Kentucky to Porto.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Kentucky to Porto (average of $523). Flying from Kentucky to Porto in June is currently the most expensive (average of $1,083). 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 Kentucky?

Book flights to Kentucky if you plan to visit one of these locations
Aveiro
Coimbra
Matosinhos
Arcos de Valdevez

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Alternative routes for Kentucky to Porto

See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from Kentucky to Porto

Discover the top 2 airlines that operate flights from Kentucky 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 January 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$677Average$1,148FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$1,015Average$1,408FlexibilityNo cancel feeOn-time69%
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