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Portugal

$243+ 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 10/13. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — LIS
Aug 5 — Aug 121
Tue 8/5
Tue 8/12
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 July 31, 2025.

Round-trip from

$525
(Booking.com)

One-way from

$243
(Kiwi.com)

Popular in

September

Cheapest in

January

Average price

$1,186
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. 13% potential increase in price ($156 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($33 potential savings vs. average RT price).
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Average for round-trip flights in July 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 July 31, 2025.

This Booking.com deal was found by Cheapflights users on 7/30. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/144:48 pmBNA - LIS
2 stops34h 07mMultiple Airlines
Sun 11/235:00 amLIS - BNA
2 stops19h 51mMultiple Airlines
Deal found 7/30$525
This Air Canada deal was found by Cheapflights users on 7/31. 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.
Sat 11/82:25 pmBNA - LIS
1 stop12h 30mAir Canada
Sat 11/155:00 amLIS - BNA
2 stops20h 50mAir Canada
Deal found 7/31$526
This United Airlines deal was found by Cheapflights users on 7/31. 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 11/132:25 pmBNA - LIS
1 stop12h 55mUnited Airlines
Mon 11/2410:15 amLIS - BNA
1 stop12h 30mUnited Airlines
Deal found 7/31$536
This Delta deal was found by Cheapflights users on 7/30. 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 12/36:28 pmBNA - LIS
1 stop32h 32mDelta
Sun 12/711:15 amLIS - BNA
1 stop16h 23mDelta
Deal found 7/30$562
This Virgin Atlantic deal was found by Cheapflights users on 7/30. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/310:05 amBNA - LIS
2 stops39h 55mVirgin Atlantic
Sun 12/710:00 amLIS - BNA
2 stops17h 02mVirgin Atlantic
Deal found 7/30$572
This United Airlines deal was found by Cheapflights users on 7/29. 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.
Wed 10/296:07 amBNA - OPO
2 stops22h 23mUnited Airlines
Thu 11/2012:30 pmOPO - BNA
2 stops26h 28mUnited Airlines
Deal found 7/29$594
This Ovago deal was found by Cheapflights users on 7/31. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/103:20 pmCVG - OPO
2 stops20h 20mBritish Airways
Mon 11/178:40 pmOPO - CVG
2 stops28h 31mBritish Airways
Deal found 7/31$600
This American Airlines deal was found by Cheapflights users on 7/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/53:34 pmTRI - LIS
2 stops15h 36mAmerican Airlines
Wed 11/126:30 amLIS - TRI
2 stops17h 26mAmerican Airlines
Deal found 7/30$607
This United Airlines deal was found by Cheapflights users on 7/31. 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 11/106:20 pmCVG - OPO
1 stop10h 10mUnited Airlines
Mon 11/1712:30 pmOPO - CVG
2 stops40h 29mUnited Airlines
Deal found 7/31$608
This FlightHub deal was found by Cheapflights users on 7/29. 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.
Wed 12/39:00 amCVG - LIS
2 stops18h 55mMultiple Airlines
Mon 12/223:25 pmLIS - CVG
2 stops34h 06mMultiple Airlines
Deal found 7/29$612
This Ovago deal was found by Cheapflights users on 7/31. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/174:10 pmCVG - LIS
1 stop11h 55mBritish Airways
Mon 11/246:35 pmLIS - CVG
1 stop29h 20mBritish Airways
Deal found 7/31$616
This Ovago deal was found by Cheapflights users on 7/29. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/136:15 pmTYS - LIS
2 stops23h 55mBritish Airways
Mon 11/246:35 pmLIS - TYS
2 stops31h 29mBritish Airways
Deal found 7/29$632

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 July 31, 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

NashvilleLisbon

BNA - LIS

BNALIS

Nashville Intl

Fri 11/14

4:48 pm-8:55 am

2 stops34h 07m

Lisbon Humberto Delgado

Sun 11/23

5:00 am-6:51 pm

2 stops19h 51m

$525

NashvilleLisbon

BNA - LIS

BNALIS

Nashville Intl

Sat 11/8

2:25 pm-8:55 am

1 stop12h 30m

Lisbon Humberto Delgado

Sat 11/15

5:00 am-7:50 pm

2 stops20h 50m

$526

NashvilleLisbon

BNA - LIS

BNALIS

Nashville Intl

Thu 11/13

2:25 pm-9:20 am

1 stop12h 55m

Lisbon Humberto Delgado

Mon 11/24

10:15 am-4:45 pm

1 stop12h 30m

$536

NashvilleLisbon

BNA - LIS

BNALIS

Nashville Intl

Wed 12/3

6:28 pm-9:00 am

1 stop32h 32m

Lisbon Humberto Delgado

Sun 12/7

11:15 am-9:38 pm

1 stop16h 23m

$562

NashvilleLisbon

BNA - LIS

BNALIS

Nashville Intl

Wed 12/3

10:05 am-8:00 am

2 stops39h 55m

Lisbon Humberto Delgado

Sun 12/7

10:00 am-9:02 pm

2 stops17h 02m

$572

NashvillePorto

BNA - OPO

BNAOPO

Nashville Intl

Wed 10/29

6:07 am-9:30 am

2 stops22h 23m

Porto

Thu 11/20

12:30 pm-8:58 am

2 stops26h 28m

$594

CincinnatiPorto

CVG - OPO

CVGOPO

Cincinnati Cinci./N. Kentucky

Mon 11/10

3:20 pm-4:40 pm

2 stops20h 20m

Porto

Mon 11/17

8:40 pm-8:11 pm

2 stops28h 31m

$600

BlountvilleLisbon

TRI - LIS

TRILIS

Blountville Tri Cities TN/VA

Wed 11/5

3:34 pm-12:10 pm

2 stops15h 36m

Lisbon Humberto Delgado

Wed 11/12

6:30 am-6:56 pm

2 stops17h 26m

$607

CincinnatiPorto

CVG - OPO

CVGOPO

Cincinnati Cinci./N. Kentucky

Mon 11/10

6:20 pm-9:30 am

1 stop10h 10m

Porto

Mon 11/17

12:30 pm-11:59 pm

2 stops40h 29m

$608

KnoxvilleLisbon

TYS - LIS

TYSLIS

Knoxville McGhee Tyson

Mon 10/13

6:15 pm-11:10 pm

2 stops23h 55m

Lisbon Humberto Delgado

Mon 11/24

6:35 pm-9:04 pm

2 stops31h 29m

$632

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

Showing 1-10 of 52 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 $1,129). 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 July 31, 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.

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 July 31, 2025.
Get a feel of what it's like to fly with Delta, KLM, and SWISS from Kentucky to Portugal by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,981 reviews

Comfort

7.9

Crew

8.5

Food

7.3

Overall

8.0

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,981 reviews
Delta
8.0
Very good
7,981 reviews

Comfort

7.9

Crew

8.5

Food

7.3

Overall

8.0

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
KLM
7.8
Good
1,383 reviews
Delta
8.0
Very good
7,981 reviews

Comfort

7.9

Crew

8.5

Food

7.3

Overall

8.0

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
SWISS
7.5
Good
1,686 reviews
Delta
8.0
Very good
7,981 reviews

Comfort

7.9

Crew

8.5

Food

7.3

Overall

8.0

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,900 reviews
Delta
8.0
Very good
7,981 reviews

Comfort

7.9

Crew

8.5

Food

7.3

Overall

8.0

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Virgin Atlantic
7.4
Good
655 reviews
Delta
8.0
Very good
7,981 reviews

Comfort

7.9

Crew

8.5

Food

7.3

Overall

8.0

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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 Lufthansa. According to our data, you can fly for as low as $307. Users have also found prices from $309 and $395 on American Airlines and Air Canada, 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 $1,129). 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 July 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$577Average$599FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$590Average$993FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$618Average$1,182FlexibilityNo cancel feeOn-time69%
DeltaCheapest$677Average$1,156FlexibilityNo cancel feeOn-timeN/A
LufthansaCheapest$859Average$1,776FlexibilityNo cancel feeOn-time76%

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