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$283+ 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 1/13. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — LIS
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
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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 October 30, 2025.

This AirNGo deal was found by Cheapflights users on 10/30. 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 AirNGo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/2710:40 amBNA - LIS
1 stop15h 20mVirgin Atlantic
Wed 12/1011:15 amLIS - BNA
1 stop16h 37mVirgin Atlantic
Deal found 10/30$464
This Air France deal was found by Cheapflights users on 10/30. 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.
Sat 11/297:15 pmCVG - LIS
1 stop17h 15mAir France
Sat 12/65:30 amLIS - CVG
1 stop14h 50mAir France
Deal found 10/30$491
This Delta deal was found by Cheapflights users on 10/30. 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.
Fri 11/2811:29 amBNA - LIS
1 stop15h 31mDelta
Thu 12/45:00 amLIS - BNA
2 stops22h 46mDelta
Deal found 10/30$496
This Delta deal was found by Cheapflights users on 10/30. 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.
Sat 11/297:15 pmCVG - LIS
1 stop17h 15mDelta
Sat 12/65:00 amLIS - CVG
2 stops19h 08mDelta
Deal found 10/30$496
This Delta deal was found by Cheapflights users on 10/29. 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.
Tue 12/911:29 amBNA - LIS
2 stops17h 51mDelta
Tue 12/165:00 amLIS - BNA
2 stops17h 55mDelta
Deal found 10/29$500
This Delta deal was found by Cheapflights users on 10/30. 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 12/46:00 amBNA - LIS
2 stops20h 55mDelta
Fri 12/1211:25 amLIS - BNA
2 stops17h 44mDelta
Deal found 10/30$501
This Delta deal was found by Cheapflights users on 10/29. 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.
Wed 12/311:00 amBNA - LIS
1 stop15h 00mDelta
Sun 12/75:30 amLIS - BNA
2 stops18h 51mDelta
Deal found 10/29$502
This Delta deal was found by Cheapflights users on 10/30. 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.
Wed 12/34:31 pmSDF - LIS
1 stop10h 29mDelta
Sun 12/75:30 amLIS - SDF
2 stops18h 22mDelta
Deal found 10/30$502
This Delta deal was found by Cheapflights users on 10/30. 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.
Fri 11/2811:00 amBNA - LIS
1 stop15h 00mDelta
Mon 12/811:15 amLIS - BNA
1 stop16h 37mDelta
Deal found 10/30$506
This Delta deal was found by Cheapflights users on 10/30. 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 11/272:32 pmBNA - LIS
2 stops12h 23mDelta
Sun 12/711:15 amLIS - BNA
1 stop12h 22mDelta
Deal found 10/30$511
This Delta deal was found by Cheapflights users on 10/30. 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.
Wed 12/1011:29 amBNA - LIS
2 stops17h 06mDelta
Sun 12/145:30 amLIS - BNA
2 stops17h 42mDelta
Deal found 10/30$512
This Air Canada deal was found by Cheapflights users on 10/28. 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
Sat 12/1311:20 amLIS - BNA
2 stops33h 08mAir Canada
Deal found 10/28$514

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 October 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$464
(AirNGo)

One-way from

$283
(Mytrip)

Popular in

May

Cheapest in

December

Average price

$858
Provider with most accurate pricing for Louisville Intl-Lisbon Humberto Delgado flight deals.
Search Deals
Provider most trusted by Cheapflights users for Louisville Intl-Lisbon Humberto Delgado flights.
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From Kentucky to Portugal
Search Deals
One-way flight from Kentucky to Portugal
Search Deals
Highest demand for flights based on searches. 17% potential increase in price ($202 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($32 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
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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 October 30, 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

CincinnatiLisbon

CVG - LIS

CVGLIS

Cincinnati Cinci./N. Kentucky

Sat 11/29

7:15 pm-5:30 pm

1 stop17h 15m

Lisbon Humberto Delgado

Sat 12/6

5:30 am-3:20 pm

1 stop14h 50m

$491

NashvillePorto

BNA - OPO

BNAOPO

Nashville Intl

Thu 1/8

1:09 pm-12:05 pm

2 stops16h 56m

Porto

Fri 1/16

6:00 am-7:33 pm

2 stops19h 33m

$492

NashvilleLisbon

BNA - LIS

BNALIS

Nashville Intl

Tue 12/9

2:00 pm-9:00 am

1 stop13h 00m

Lisbon Humberto Delgado

Tue 12/16

5:00 am-5:37 pm

2 stops18h 37m

$496

NashvilleLisbon

BNA - LIS

BNALIS

Nashville Intl

Sat 11/29

2:00 pm-9:00 am

1 stop13h 00m

Lisbon Humberto Delgado

Tue 12/9

5:00 am-9:46 pm

2 stops22h 46m

$496

NashvilleLisbon

BNA - LIS

BNALIS

Nashville Intl

Mon 12/1

7:25 am-9:00 am

1 stop19h 35m

Lisbon Humberto Delgado

Tue 12/9

5:00 am-9:46 pm

2 stops22h 46m

$496

NashvilleLisbon

BNA - LIS

BNALIS

Nashville Intl

Tue 12/2

11:29 am-9:00 am

1 stop15h 31m

Lisbon Humberto Delgado

Tue 12/9

5:00 am-9:46 pm

2 stops22h 46m

$496

NashvilleLisbon

BNA - LIS

BNALIS

Nashville Intl

Thu 11/27

10:40 am-8:00 am

1 stop15h 20m

Lisbon Humberto Delgado

Thu 12/4

5:00 am-9:46 pm

2 stops22h 46m

$496

NashvilleLisbon

BNA - LIS

BNALIS

Nashville Intl

Thu 1/22

11:26 am-8:00 am

1 stop14h 34m

Lisbon Humberto Delgado

Sun 1/25

5:00 am-8:30 pm

2 stops21h 30m

$496

LouisvilleLisbon

SDF - LIS

SDFLIS

Louisville Intl

Thu 1/15

3:00 pm-3:10 pm

2 stops19h 10m

Lisbon Humberto Delgado

Mon 1/19

5:00 am-11:50 pm

2 stops23h 50m

$500

NashvilleLisbon

BNA - LIS

BNALIS

Nashville Intl

Thu 12/4

2:00 pm-8:55 am

1 stop12h 55m

Lisbon Humberto Delgado

Fri 12/12

10:55 am-5:37 pm

1 stop12h 42m

$506

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/28

Showing 1-10 of 60 results
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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, November is the cheapest month in which you can book a flight from Kentucky to Portugal (average of $557). Flying from Kentucky to Portugal in June is currently the most expensive (average of $1,023). 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 October 30, 2025.

It’s optimal to fly from Kentucky to Portugal in the evening. By choosing this option you can save up to 53% on the cost of your flight, compared to a flight in the afternoon.

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 13h. Fly via Air France, Delta, or British Airways to get the fastest option. The distance between Kentucky and Portugal is about 4120 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Kentucky to Portugal one-way?

    For one-way options, check prices for Scandinavian Airlines. According to our data, you can fly for as low as $366. Users have also found prices from $401 and $403 on Lufthansa and United Airlines, respectively.

  • 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, November is the cheapest month in which you can book a flight from Kentucky to Portugal (average of $557). Flying from Kentucky to Portugal in June is currently the most expensive (average of $1,023). 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

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Alternative routes for Kentucky to Portugal

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 Portugal

Discover the top 2 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 October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$603Average$1,005FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$608Average$939FlexibilityNo cancel feeOn-time71%

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