HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Porto

$585+ Cheap flights from Kentucky to Porto (OPO)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/17. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — OPO
feb. 25 — mar. 41
mar. 2/25
mar. 3/4
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Kentucky to Porto with Cheapflights

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Kentucky to Porto

Keep the following information in mind while searching for Kentucky to Porto flight deals. Data was last updated febrero 20, 2025.

Round-trip from

$585
(Expedia)

Popular in

May

Cheapest in

December

Average price

$689
From Kentucky to Porto
Search Deals
Highest demand for flights based on searches. 20% potential increase in price ($265 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($44 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2025
Search Deals

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 febrero 20, 2025.

This Expedia deal was found by Cheapflights users on 2/19. 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.
lun. 3/1710:00 amBNA - OPO
2 stops21h 50mMultiple Airlines
lun. 3/244:25 pmOPO - BNA
2 stops45h 49mMultiple Airlines
Deal found 2/19$585
This Lufthansa deal was found by Cheapflights users on 2/19. 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.
mié. 3/195:30 pmLEX - OPO
2 stops24h 55mLufthansa
lun. 3/241:45 pmOPO - LEX
2 stops37h 45mLufthansa
Deal found 2/19$592
This United deal was found by Cheapflights users on 2/20. 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. 3/226:16 pmCVG - OPO
2 stops40h 54mUnited Airlines
sáb. 3/2912:30 pmOPO - CVG
2 stops49h 59mUnited Airlines
Deal found 2/20$657
This Lufthansa deal was found by Cheapflights users on 2/20. 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.
mié. 4/302:15 pmCVG - OPO
2 stops27h 30mLufthansa
mié. 5/76:00 amOPO - CVG
2 stops22h 30mLufthansa
Deal found 2/20$829
This Air France deal was found by Cheapflights users on 2/20. 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.
mar. 4/226:20 pmCVG - OPO
1 stop16h 10mMultiple Airlines
jue. 5/86:30 amOPO - CVG
2 stops19h 13mMultiple Airlines
Deal found 2/20$909
This Aeromexico deal was found by Cheapflights users on 2/20. 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.
mié. 4/306:17 pmCVG - OPO
2 stops40h 13mAir France
mié. 5/74:20 pmOPO - CVG
1 stop27h 50mAir France
Deal found 2/20$1,070
This Air Canada deal was found by Cheapflights users on 2/19. 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.
jue. 5/19:30 amCVG - OPO
2 stops28h 00mAir Canada
dom. 5/116:00 amOPO - CVG
2 stops19h 12mAir Canada
Deal found 2/19$1,110
This Delta deal was found by Cheapflights users on 2/19. 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.
jue. 5/16:20 pmCVG - OPO
1 stop16h 10mDelta
dom. 5/115:00 amOPO - CVG
2 stops22h 16mDelta
Deal found 2/19$1,144
This American Airlines deal was found by Cheapflights users on 2/20. 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.
vie. 9/125:30 pmCVG - OPO
2 stops13h 10mAmerican Airlines
lun. 9/228:15 amOPO - CVG
2 stops16h 12mAmerican Airlines
Deal found 2/20$1,318
This Gurufare deal was found by Cheapflights users on 2/19. 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.
jue. 12/1812:55 pmBNA - OPO
2 stops16h 45mLufthansa
mar. 12/306:00 amOPO - BNA
2 stops19h 31mLufthansa
Deal found 2/19$1,377
This United deal was found by Cheapflights users on 2/19. 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.
jue. 12/188:30 amBNA - OPO
3 stops24h 45mUnited Airlines
mar. 12/306:00 amOPO - BNA
2 stops19h 31mUnited Airlines
Deal found 2/19$1,383
This American Airlines deal was found by Cheapflights users on 2/19. 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.
mié. 3/196:15 amLEX - OPO
2 stops21h 25mMultiple Airlines
lun. 3/248:20 amOPO - LEX
3 stops19h 37mMultiple Airlines
Deal found 2/19$1,401

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 febrero 20, 2025.

Fly from

Kentucky

Fly to

Porto

Route

Depart

Return

Price

NashvillePorto

BNA - OPO

BNAOPO

Nashville Intl

lun. 3/17

10:00 am-12:50 pm

2 stops21h 50m

Porto

lun. 3/24

4:25 pm-9:14 am

2 stops45h 49m

$585

LexingtonPorto

LEX - OPO

LEXOPO

Lexington Blue Grass

mié. 3/19

5:30 pm-10:25 pm

2 stops24h 55m

Porto

lun. 3/24

1:45 pm-11:30 pm

2 stops37h 45m

$592

CincinnatiPorto

CVG - OPO

CVGOPO

Cincinnati Cinci./N. Kentucky

sáb. 3/22

6:16 pm-3:10 pm

2 stops40h 54m

Porto

sáb. 3/29

12:30 pm-10:29 am

2 stops49h 59m

$657

CincinnatiPorto

CVG - OPO

CVGOPO

Cincinnati Cinci./N. Kentucky

mié. 4/30

2:15 pm-10:45 pm

2 stops27h 30m

Porto

mié. 5/7

6:00 am-11:30 pm

2 stops22h 30m

$829

CincinnatiPorto

CVG - OPO

CVGOPO

Cincinnati Cinci./N. Kentucky

mar. 4/22

6:20 pm-3:30 pm

1 stop16h 10m

Porto

jue. 5/8

6:30 am-8:43 pm

2 stops19h 13m

$909

CincinnatiPorto

CVG - OPO

CVGOPO

Cincinnati Cinci./N. Kentucky

mié. 4/30

6:17 pm-3:30 pm

2 stops40h 13m

Porto

mié. 5/7

4:20 pm-3:10 pm

1 stop27h 50m

$1,070

CincinnatiPorto

CVG - OPO

CVGOPO

Cincinnati Cinci./N. Kentucky

jue. 5/1

9:30 am-6:30 pm

2 stops28h 00m

Porto

dom. 5/11

6:00 am-8:12 pm

2 stops19h 12m

$1,110

CincinnatiPorto

CVG - OPO

CVGOPO

Cincinnati Cinci./N. Kentucky

jue. 5/1

6:20 pm-3:30 pm

1 stop16h 10m

Porto

dom. 5/11

5:00 am-10:16 pm

2 stops22h 16m

$1,144

LexingtonPorto

LEX - OPO

LEXOPO

Lexington Blue Grass

mié. 3/19

6:15 am-7:40 am

2 stops21h 25m

Porto

lun. 3/24

8:20 am-11:57 pm

3 stops19h 37m

$1,401

LexingtonPorto

LEX - OPO

LEXOPO

Lexington Blue Grass

mié. 6/25

7:00 am-9:30 am

2 stops21h 30m

Porto

dom. 7/6

12:15 pm-8:23 pm

2 stops37h 08m

$1,596

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/20

Showing 1-10 of 14 results
1
2

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 febrero 20, 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 febrero 20, 2025.
See what other customers who have flown with Delta, Air France and United Airlines 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
8,220 reviews

Comfort

8.0

Food

7.3

Entertainment

7.9

Overall

8.0

Crew

8.5

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
8,220 reviews
Delta
8.0
Very good
8,220 reviews

Comfort

8.0

Food

7.3

Entertainment

7.9

Overall

8.0

Crew

8.5

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
1,449 reviews
Delta
8.0
Very good
8,220 reviews

Comfort

8.0

Food

7.3

Entertainment

7.9

Overall

8.0

Crew

8.5

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
8,766 reviews
Delta
8.0
Very good
8,220 reviews

Comfort

8.0

Food

7.3

Entertainment

7.9

Overall

8.0

Crew

8.5

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.

American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
8,220 reviews

Comfort

8.0

Food

7.3

Entertainment

7.9

Overall

8.0

Crew

8.5

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.

TAP AIR PORTUGAL
7.1
Good
1,847 reviews
Delta
8.0
Very good
8,220 reviews

Comfort

8.0

Food

7.3

Entertainment

7.9

Overall

8.0

Crew

8.5

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 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 cheapest airlines to fly from Kentucky to Porto one-way?

    To fly one-way, consider booking your trip with American Airlines, which is currently one of the cheapest options available, starting at $620. Air France flights start at $681 while deals on TAP AIR PORTUGAL start at $804 one-way.

  • 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 $1,092). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Kentucky to Porto

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to Lisbon flights
Newark to Lisbon flights
Boston to Lisbon flights
Dulles Intl to Lisbon flights
LaGuardia to Lisbon flights
Newark to Porto flights
Miami to Lisbon flights
O'Hare Intl to Lisbon flights
San Francisco to Lisbon flights
Boston to Ponta Delgada flights
Reagan-National to Lisbon flights
Baltimore to Lisbon flights
Los Angeles to Lisbon flights
Philadelphia to Lisbon flights
John F Kennedy Intl to Porto flights
Dallas/Fort Worth to Lisbon flights
Seattle to Lisbon flights
LaGuardia to Porto flights
John F Kennedy Intl to Ponta Delgada flights
Hobby to Lisbon flights
Boston to Porto flights
Atlanta to Lisbon flights
Denver to Lisbon flights
Midway to Lisbon flights
Newark to Ponta Delgada flights
George Bush Intcntl to Lisbon flights
Love Field to Lisbon flights
Orlando to Lisbon flights
Charlotte to Lisbon flights
John F Kennedy Intl to Funchal flights
Portland to Lisbon flights
Sky Harbor Intl to Lisbon flights
Dulles Intl to Porto flights
Stewart to Lisbon flights
Minneapolis to Lisbon flights
Detroit to Lisbon flights
Tampa to Lisbon flights
Raleigh to Lisbon flights
O'Hare Intl to Porto flights
Reagan-National to Porto flights
Newark to Funchal flights
John F Kennedy Intl to Faro flights
Austin to Lisbon flights
LaGuardia to Ponta Delgada flights
Seattle to Porto flights
Newark to Faro flights
Miami to Porto flights
Baltimore to Porto flights
Jacksonville to Lisbon flights
San Jose to Lisbon flights

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 febrero 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$677Average$1,148FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$1,015Average$1,408FlexibilityNo cancel feeOn-time69%
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.