HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Portugal

$247+ Cheap flights from Kentucky to Portugal

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 2/2. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — LIS
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Kentucky to Portugal 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 Portugal

Keep the following information in mind while searching for Kentucky to Portugal flight deals. Data was last updated September 15, 2025.

Round-trip from

$505
(FlightHub)

One-way from

$247
(Kiwi.com)

Popular in

September

Cheapest in

December

Average price

$1,408
From Kentucky to Portugal
Search Deals
One-way flight from Kentucky to Portugal
Search Deals
Highest demand for flights based on searches. 15% potential increase in price ($186 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($38 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
Search Deals

Find flight deals from Kentucky to Portugal

Cheapest flights from Kentucky to Portugal
Explore the most affordable flight options available from Kentucky to Portugal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2025.

This FlightHub deal was found by Cheapflights users on 9/13. 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 10/303:48 pmTYS - LIS
2 stops19h 07mScandinavian Airlines
Wed 11/54:55 pmLIS - TYS
2 stops35h 51mScandinavian Airlines
Deal found 9/13$505
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/132:25 pmBNA - LIS
1 stop12h 55mAir Canada
Wed 11/265:00 amLIS - BNA
2 stops20h 50mAir Canada
Deal found 9/15$505
This Billigflug 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 Billigflug is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/2712:50 pmBNA - OPO
2 stops15h 40mMultiple Airlines
Wed 11/126:00 amOPO - BNA
2 stops21h 59mMultiple Airlines
Deal found 9/14$512
This Rumbo 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 Rumbo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/132:52 pmBNA - LIS
2 stops18h 48mScandinavian Airlines
Wed 11/264:55 pmLIS - BNA
2 stops36h 09mScandinavian Airlines
Deal found 9/15$515
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.
Thu 12/112:25 pmBNA - LIS
1 stop12h 55mUnited Airlines
Thu 12/1810:55 amLIS - BNA
2 stops34h 55mUnited Airlines
Deal found 9/15$521
This Scandinavian 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/177:15 amCVG - LIS
2 stops29h 40mScandinavian Airlines
Mon 11/245:20 pmLIS - CVG
3 stops29h 23mScandinavian Airlines
Deal found 9/15$522
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.
Fri 12/56:40 pmBNA - LIS
1 stop9h 35mUnited Airlines
Tue 12/911:20 amLIS - BNA
2 stops32h 12mUnited Airlines
Deal found 9/14$525
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.
Thu 11/132:25 pmBNA - LIS
1 stop12h 55mUnited Airlines
Mon 11/245:00 amLIS - BNA
2 stops23h 49mUnited Airlines
Deal found 9/14$526
This Air Canada 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/42:25 pmBNA - LIS
1 stop12h 55mAir Canada
Fri 12/1211:20 amLIS - BNA
2 stops31h 06mAir Canada
Deal found 9/14$527
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.
Tue 12/92:25 pmBNA - LIS
1 stop12h 30mUnited Airlines
Tue 12/1611:20 amLIS - BNA
2 stops32h 12mUnited Airlines
Deal found 9/14$528
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.
Sat 11/152:25 pmBNA - LIS
1 stop12h 30mUnited Airlines
Mon 11/2410:15 amLIS - BNA
1 stop12h 30mUnited Airlines
Deal found 9/14$532
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.
Mon 10/274:02 pmBNA - OPO
1 stop12h 28mUnited Airlines
Wed 11/126:00 amOPO - BNA
2 stops21h 59mUnited Airlines
Deal found 9/14$532

Cheapflights Fare Finder

 
Customize your flight search to find flights from Kentucky to Portugal 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 15, 2025.
Use the filters below to find and compare flights from Kentucky to Portugal that are best for you.

Fly from

Kentucky

Fly to

Portugal

Route

Depart

Return

Price

NashvillePorto

BNA - OPO

BNAOPO

Nashville Intl

Mon 10/27

12:50 pm-9:30 am

2 stops15h 40m

Porto

Wed 11/12

6:00 am-9:59 pm

2 stops21h 59m

$512

NashvilleLisbon

BNA - LIS

BNALIS

Nashville Intl

Thu 1/29

2:25 pm-9:20 am

1 stop12h 55m

Lisbon Humberto Delgado

Mon 2/9

11:20 am-12:07 pm

2 stops30h 47m

$520

NashvilleLisbon

BNA - LIS

BNALIS

Nashville Intl

Fri 12/5

6:40 pm-10:15 am

1 stop9h 35m

Lisbon Humberto Delgado

Tue 12/9

11:20 am-1:32 pm

2 stops32h 12m

$525

NashvilleLisbon

BNA - LIS

BNALIS

Nashville Intl

Sun 12/28

6:17 pm-8:10 am

1 stop31h 53m

Lisbon Humberto Delgado

Sat 1/17

11:20 am-3:05 pm

1 stop33h 45m

$526

NashvilleLisbon

BNA - LIS

BNALIS

Nashville Intl

Thu 1/29

6:48 pm-8:10 am

1 stop31h 22m

Lisbon Humberto Delgado

Mon 2/9

11:20 am-1:16 pm

1 stop31h 56m

$526

NashvilleLisbon

BNA - LIS

BNALIS

Nashville Intl

Tue 12/9

2:25 pm-8:55 am

1 stop12h 30m

Lisbon Humberto Delgado

Tue 12/16

11:20 am-1:32 pm

2 stops32h 12m

$528

NashvillePorto

BNA - OPO

BNAOPO

Nashville Intl

Mon 10/27

11:19 am-9:30 am

2 stops17h 11m

Porto

Wed 11/12

6:00 am-9:59 pm

2 stops21h 59m

$532

NashvilleLisbon

BNA - LIS

BNALIS

Nashville Intl

Thu 11/13

2:25 pm-9:20 am

1 stop12h 55m

Lisbon Humberto Delgado

Wed 11/26

11:55 am-6:51 pm

1 stop12h 56m

$539

NashvilleLisbon

BNA - LIS

BNALIS

Nashville Intl

Mon 11/10

11:00 am-8:00 am

1 stop15h 00m

Lisbon Humberto Delgado

Tue 11/25

11:15 am-9:45 pm

2 stops16h 30m

$546

LouisvilleLisbon

SDF - LIS

SDFLIS

Louisville Intl

Wed 10/29

4:28 pm-12:10 pm

2 stops15h 42m

Lisbon Humberto Delgado

Wed 11/5

6:30 am-8:19 pm

2 stops18h 49m

$557

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/13

Showing 1-10 of 56 results
1
2
3
...
6

Best time to book a flight from Kentucky to Portugal

Have a flexible travel schedule? Discover the best time to fly to Portugal 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.

Cheapflights Insights

Everything you need to know about your flight from Kentucky to Portugal

What is the cheapest month to book a flight from Kentucky to Portugal?

Currently, January is the cheapest month in which you can book a flight from Kentucky to Portugal (average of $612). Flying from Kentucky to Portugal in June is currently the most expensive (average of $1,127). 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 KY to PT?

Find hourly flight availability from Kentucky to Portugal. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 15, 2025.

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

Related info for your journey

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

  • How long is the flight from Kentucky to Portugal?

    There are many flights that can get you from Kentucky to Portugal in 12h 55m. Fly via United Airlines, American Airlines, or Lufthansa to get the fastest option. The distance between Kentucky and Portugal is about 4120 mi. This flight may include one or multiple stops.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Kentucky to Portugal (average of $612). Flying from Kentucky to Portugal in June is currently the most expensive (average of $1,127). 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

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 Portugal

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to Heathrow flights
John F Kennedy Intl to Charles de Gaulle flights
Newark to Heathrow flights
Newark to Charles de Gaulle flights
John F Kennedy Intl to Leonardo da Vinci/Fiumicino flights
John F Kennedy Intl to Istanbul flights
Newark to Orly flights
Newark to Leonardo da Vinci/Fiumicino flights
Boston to Heathrow flights
John F Kennedy Intl to Lisbon flights
Los Angeles to Heathrow flights
John F Kennedy Intl to Orly flights
John F Kennedy Intl to London City flights
Dulles Intl to Heathrow flights
Newark to Madrid flights
LaGuardia to Heathrow flights
Miami to Madrid flights
Newark to Lisbon flights
John F Kennedy Intl to Gatwick flights
LaGuardia to Charles de Gaulle flights
Newark to Gatwick flights
John F Kennedy Intl to Madrid flights
John F Kennedy Intl to Barcelona-El Prat flights
O'Hare Intl to Heathrow flights
Boston to Charles de Gaulle flights
Dulles Intl to Charles de Gaulle flights
Newark to Barcelona-El Prat flights
San Francisco to Heathrow flights
Newark to Dublin flights
Los Angeles to Charles de Gaulle flights
Baltimore to Heathrow flights
O'Hare Intl to Charles de Gaulle flights
Dallas/Fort Worth to Heathrow flights
John F Kennedy Intl to Athens flights
Newark to Malpensa flights
Dallas/Fort Worth to Charles de Gaulle flights
O'Hare Intl to Leonardo da Vinci/Fiumicino flights
Dallas/Fort Worth to Frankfurt flights
John F Kennedy Intl to Dublin flights
LaGuardia to Gatwick flights
John F Kennedy Intl to Frankfurt flights
John F Kennedy Intl to Malpensa flights
Dulles Intl to Leonardo da Vinci/Fiumicino flights
Seattle to Heathrow flights
John F Kennedy Intl to Amsterdam flights
John F Kennedy Intl to Frederic Chopin flights
Newark to Frankfurt flights
Newark to Athens flights
Newark to London City flights
Boston to Lisbon flights

Top 3 airlines flying from Kentucky to Portugal

Discover the top 3 airlines that operate flights from Kentucky to Portugal. 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 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$603Average$984FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$618Average$1,007FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$1,014Average$1,780FlexibilityNo cancel feeOn-time76%

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.