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$266+ 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 7/7. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — LIS
may. 5 — may. 121
lun. 5/5
lun. 5/12
1 adult, Economy
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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 abril 30, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$629
(Booking.com)

One-way from

$266
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$1,089
Provider with most accurate pricing for Louisville Intl-Lisbon Humberto Delgado flight deals.
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Provider most trusted by Cheapflights users for Louisville Intl-Lisbon Humberto Delgado flights.
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From Kentucky to Portugal
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One-way flight from Kentucky to Portugal
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Highest demand for flights based on searches. 19% potential increase in price ($246 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($28 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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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 abril 30, 2025.

This American Airlines deal was found by Cheapflights users on 4/29. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 11/197:56 amSDF - LIS
1 stop20h 09mAmerican Airlines
mié. 11/266:30 amLIS - SDF
2 stops17h 54mAmerican Airlines
Deal found 4/29$602
This United deal was found by Cheapflights users on 4/29. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 11/87:36 pmCVG - LIS
2 stops31h 34mMultiple Airlines
mar. 11/1811:00 amLIS - CVG
2 stops33h 01mMultiple Airlines
Deal found 4/29$625
This Air Canada deal was found by Cheapflights users on 4/28. 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.
lun. 11/37:36 pmCVG - LIS
2 stops32h 44mAir Canada
mar. 11/1111:00 amLIS - CVG
2 stops38h 32mAir Canada
Deal found 4/28$626
This United Airlines deal was found by Cheapflights users on 4/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 10/215:35 pmCVG - LIS
1 stop9h 45mUnited Airlines
mar. 11/45:00 amLIS - CVG
2 stops18h 00mUnited Airlines
Deal found 4/28$633
This Justfly.com deal was found by Cheapflights users on 4/29. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 11/199:35 amSDF - LIS
2 stops18h 45mAir Canada
mié. 11/2611:00 amLIS - SDF
2 stops34h 49mAir Canada
Deal found 4/29$634
This British Airways deal was found by Cheapflights users on 4/28. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 10/216:31 pmCVG - LIS
1 stop9h 34mBritish Airways
lun. 11/36:35 pmLIS - CVG
1 stop29h 15mBritish Airways
Deal found 4/28$661
This FlightHub deal was found by Cheapflights users on 4/29. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 11/91:30 pmLEX - LIS
2 stops21h 35mScandinavian Airlines
dom. 11/234:55 pmLIS - LEX
2 stops33h 26mScandinavian Airlines
Deal found 4/29$668
This Lufthansa deal was found by Cheapflights users on 4/28. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/292:11 pmCVG - LIS
2 stops28h 39mLufthansa
mar. 11/116:10 amLIS - CVG
2 stops22h 00mLufthansa
Deal found 4/28$673
This United Airlines deal was found by Cheapflights users on 4/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 11/121:55 pmSDF - LIS
1 stop15h 20mUnited Airlines
dom. 11/2311:00 amLIS - SDF
2 stops34h 49mUnited Airlines
Deal found 4/29$677
This Delta deal was found by Cheapflights users on 4/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/297:55 amCVG - LIS
1 stop20h 05mDelta
mié. 11/1210:00 amLIS - CVG
1 stop14h 18mDelta
Deal found 4/28$680
This American Airlines deal was found by Cheapflights users on 4/28. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 11/79:35 pmCVG - LIS
1 stop19h 50mAmerican Airlines
mar. 11/1811:10 amLIS - CVG
1 stop16h 53mAmerican Airlines
Deal found 4/28$693
This Orbitz deal was found by Cheapflights users on 4/29. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/2311:37 amCVG - OPO
2 stops14h 58mIberia
mié. 10/18:15 amOPO - CVG
2 stops16h 12mIberia
Deal found 4/29$717

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 abril 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

LouisvilleLisbon

SDF - LIS

SDFLIS

Louisville Intl

mar. 10/14

7:00 am-9:20 am

2 stops21h 20m

Lisbon Humberto Delgado

mié. 10/22

11:25 am-10:24 pm

2 stops39h 59m

$706

CincinnatiPorto

CVG - OPO

CVGOPO

Cincinnati Cinci./N. Kentucky

mar. 9/23

11:37 am-7:35 am

2 stops14h 58m

Porto

mié. 10/1

8:15 am-7:27 pm

2 stops16h 12m

$717

LouisvilleLisbon

SDF - LIS

SDFLIS

Louisville Intl

mar. 10/14

10:55 am-9:20 am

3 stops17h 25m

Lisbon Humberto Delgado

mié. 10/22

11:25 am-10:58 pm

2 stops16h 33m

$735

LexingtonLisbon

LEX - LIS

LEXLIS

Lexington Blue Grass

mar. 8/5

5:59 pm-9:05 am

1 stop10h 06m

Lisbon Humberto Delgado

mar. 8/19

11:05 am-10:51 pm

2 stops16h 46m

$768

CincinnatiPorto

CVG - OPO

CVGOPO

Cincinnati Cinci./N. Kentucky

mié. 9/24

1:30 pm-9:20 am

1 stop14h 50m

Porto

mié. 10/1

8:40 am-8:12 pm

2 stops16h 32m

$768

NashvilleFaro

BNA - FAO

BNAFAO

Nashville Intl

lun. 6/2

7:49 am-7:20 am

3 stops41h 31m

Faro

mar. 6/10

6:20 am-5:15 pm

2 stops16h 55m

$778

NashvillePorto

BNA - OPO

BNAOPO

Nashville Intl

mié. 9/24

8:15 am-9:20 am

1 stop19h 05m

Porto

jue. 10/16

6:00 am-9:23 am

2 stops33h 23m

$790

CincinnatiPorto

CVG - OPO

CVGOPO

Cincinnati Cinci./N. Kentucky

mar. 9/23

5:31 pm-9:45 am

1 stop11h 14m

Porto

mié. 10/1

6:00 am-8:12 pm

2 stops43h 12m

$795

CincinnatiPorto

CVG - OPO

CVGOPO

Cincinnati Cinci./N. Kentucky

mar. 10/7

6:30 pm-3:30 pm

1 stop16h 00m

Porto

mié. 10/22

6:15 am-7:36 pm

2 stops18h 21m

$824

LouisvilleLisbon

SDF - LIS

SDFLIS

Louisville Intl

mar. 8/12

11:25 am-9:20 am

3 stops16h 55m

Lisbon Humberto Delgado

mar. 8/26

11:25 am-10:02 am

3 stops27h 37m

$825

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Showing 1-10 of 58 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, 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 $1,178). 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 abril 30, 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.

Rainfall in Portugal by month

Plan your trip to Portugal by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Portugal ranges from 0.2 - 4.8 inches per month. December is typically the wettest month, when rainfall can reach 4.8 in. July is typically the driest time to visit Portugal when rainfall is around 0.2 in.

Temperature in Portugal by month

Plan your trip to Portugal by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Portugal, 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 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 51.8 F).

Reviews of airlines servicing Portugal

Get insights into the airlines that provide service to Portugal. 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 Portugal. Reviews last updated abril 30, 2025.
Peruse reviews from past customers who have flown with Delta, KLM and SWISS from Kentucky to Portugal to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,929 reviews

Crew

8.5

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

8.0

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
7,929 reviews
Delta
8.0
Very good
7,929 reviews

Crew

8.5

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

8.0

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
1,334 reviews
Delta
8.0
Very good
7,929 reviews

Crew

8.5

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

8.0

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
1,588 reviews
Delta
8.0
Very good
7,929 reviews

Crew

8.5

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

8.0

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
1,446 reviews
Delta
8.0
Very good
7,929 reviews

Crew

8.5

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

8.0

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
8,696 reviews
Delta
8.0
Very good
7,929 reviews

Crew

8.5

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

8.0

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 Portugal. 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 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 $554. Users have also found prices from $558 and $563 on American Airlines and Aer Lingus, 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, 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 $1,178). 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 5 airlines flying from Kentucky to Portugal

Discover the top 5 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 abril 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$577Average$701FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$590Average$1,045FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$618Average$1,250FlexibilityNo cancel feeOn-time69%
DeltaCheapest$677Average$1,073FlexibilityNo cancel feeOn-timeN/A
LufthansaCheapest$859Average$1,776FlexibilityNo cancel feeOn-time76%

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