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Portugal

$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 5/5. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — LIS
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
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 February 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$555
(United Airlines)

One-way from

$283
(Kiwi.com)

Popular in

May

Cheapest in

January

Average price

$714
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. 14% potential increase in price ($172 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($35 potential savings vs. average RT price).
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Average for round-trip flights in February 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 February 20, 2025.

This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/18:20 amBNA - LIS
2 stops19h 00mUnited Airlines
Tue 4/811:25 amLIS - BNA
2 stops33h 05mUnited Airlines
Deal found 2/20$555
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/179:15 pmBNA - LIS
1 stop33h 25mMultiple Airlines
Wed 4/28:30 amLIS - BNA
2 stops42h 25mMultiple Airlines
Deal found 2/20$570
This Air Canada 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 Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/14:35 pmBNA - LIS
1 stop12h 35mAir Canada
Tue 4/811:25 amLIS - BNA
2 stops27h 42mAir Canada
Deal found 2/20$576
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.
Mon 3/241:30 pmBNA - LIS
2 stops14h 35mAmerican Airlines
Wed 4/29:00 amLIS - BNA
2 stops15h 27mAmerican Airlines
Deal found 2/20$581
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.
Mon 3/1710:00 amBNA - OPO
2 stops21h 50mMultiple Airlines
Mon 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.
Wed 3/195:30 pmLEX - OPO
2 stops24h 55mLufthansa
Mon 3/241:45 pmOPO - LEX
2 stops37h 45mLufthansa
Deal found 2/19$592
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/242:34 pmBNA - LIS
2 stops23h 21mBritish Airways
Wed 4/96:35 amLIS - BNA
2 stops15h 53mBritish Airways
Deal found 2/20$608
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/107:20 pmTYS - LIS
1 stop10h 55mUnited Airlines
Tue 3/1811:00 amLIS - TYS
2 stops36h 34mUnited Airlines
Deal found 2/19$617
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.
Tue 4/12:10 pmLEX - LIS
2 stops15h 20mUnited Airlines
Tue 4/811:25 amLIS - LEX
2 stops30h 59mUnited Airlines
Deal found 2/20$621
This British Airways 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/26:40 pmLEX - LIS
2 stops18h 15mBritish Airways
Wed 4/911:05 amLIS - LEX
1 stop11h 30mBritish Airways
Deal found 2/20$643
This Justfly.com 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/129:35 amSDF - LIS
2 stops18h 45mAir Canada
Sun 11/2311:00 amLIS - SDF
2 stops34h 49mAir Canada
Deal found 2/19$651
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/129:35 amSDF - LIS
1 stop19h 40mUnited Airlines
Sun 11/2311:00 amLIS - SDF
2 stops34h 49mUnited Airlines
Deal found 2/19$654

Find flights from Kentucky to Portugal within your budget

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 February 20, 2025.

Fly from

Kentucky

Fly to

Portugal

Route

Depart

Return

Price

NashvilleLisbon

BNA - LIS

BNALIS

Nashville Intl

Tue 4/1

8:20 am-9:20 am

2 stops19h 00m

Lisbon Humberto Delgado

Tue 4/8

11:25 am-2:30 pm

2 stops33h 05m

$555

NashvilleLisbon

BNA - LIS

BNALIS

Nashville Intl

Mon 3/17

9:15 pm-11:40 am

1 stop33h 25m

Lisbon Humberto Delgado

Wed 4/2

8:30 am-8:55 pm

2 stops42h 25m

$570

NashvilleLisbon

BNA - LIS

BNALIS

Nashville Intl

Tue 4/1

10:00 am-11:10 am

1 stop19h 10m

Lisbon Humberto Delgado

Tue 4/8

12:50 pm-9:07 am

1 stop26h 17m

$576

NashvilleLisbon

BNA - LIS

BNALIS

Nashville Intl

Mon 3/24

1:30 pm-9:05 am

2 stops14h 35m

Lisbon Humberto Delgado

Wed 4/2

9:00 am-6:27 pm

2 stops15h 27m

$581

NashvillePorto

BNA - OPO

BNAOPO

Nashville Intl

Mon 3/17

10:00 am-12:50 pm

2 stops21h 50m

Porto

Mon 3/24

4:25 pm-9:14 am

2 stops45h 49m

$585

LexingtonPorto

LEX - OPO

LEXOPO

Lexington Blue Grass

Wed 3/19

5:30 pm-10:25 pm

2 stops24h 55m

Porto

Mon 3/24

1:45 pm-11:30 pm

2 stops37h 45m

$592

NashvilleLisbon

BNA - LIS

BNALIS

Nashville Intl

Mon 3/24

2:34 pm-6:55 pm

2 stops23h 21m

Lisbon Humberto Delgado

Wed 4/9

6:35 am-4:28 pm

2 stops15h 53m

$608

KnoxvilleLisbon

TYS - LIS

TYSLIS

Knoxville McGhee Tyson

Mon 3/10

7:20 pm-10:15 am

1 stop10h 55m

Lisbon Humberto Delgado

Tue 3/18

11:00 am-7:34 pm

2 stops36h 34m

$617

LexingtonLisbon

LEX - LIS

LEXLIS

Lexington Blue Grass

Tue 4/1

2:10 pm-10:30 am

2 stops15h 20m

Lisbon Humberto Delgado

Tue 4/8

11:25 am-1:24 pm

2 stops30h 59m

$621

LexingtonLisbon

LEX - LIS

LEXLIS

Lexington Blue Grass

Wed 4/2

6:40 pm-5:55 pm

2 stops18h 15m

Lisbon Humberto Delgado

Wed 4/9

11:05 am-5:35 pm

1 stop11h 30m

$643

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/19

Showing 1-10 of 49 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.

Travel insights for flights from Kentucky to Portugal

Get recent, data-driven insights about flights from Kentucky to Portugal including ideal travel times, pricing trends, and more.

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 $1,234). 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 February 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 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 February 20, 2025.
Peruse reviews from past customers who have flown with Delta, Finnair 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
8,220 reviews

Crew

8.5

Food

7.3

Comfort

8.0

Overall

8.0

Boarding

8.2

Entertainment

7.9

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

Crew

8.5

Food

7.3

Comfort

8.0

Overall

8.0

Boarding

8.2

Entertainment

7.9

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.

Finnair
7.6
Good
1,273 reviews
Delta
8.0
Very good
8,220 reviews

Crew

8.5

Food

7.3

Comfort

8.0

Overall

8.0

Boarding

8.2

Entertainment

7.9

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
1,568 reviews
Delta
8.0
Very good
8,220 reviews

Crew

8.5

Food

7.3

Comfort

8.0

Overall

8.0

Boarding

8.2

Entertainment

7.9

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

Crew

8.5

Food

7.3

Comfort

8.0

Overall

8.0

Boarding

8.2

Entertainment

7.9

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

Crew

8.5

Food

7.3

Comfort

8.0

Overall

8.0

Boarding

8.2

Entertainment

7.9

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 American Airlines. According to our data, you can fly for as low as $390. Users have also found prices from $451 and $474 on British Airways 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 $1,234). 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 February 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$574Average$1,022FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$577Average$599FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$618Average$1,176FlexibilityNo cancel feeOn-time69%
DeltaCheapest$637Average$1,088FlexibilityNo cancel feeOn-timeN/A
LufthansaCheapest$859Average$1,449FlexibilityNo cancel feeOn-time76%
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