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Lisbon

$457+ Cheap flights from Louisville (SDF) to Lisbon (LIS)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/18. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — LIS
Feb 19 — Feb 261
Thu 2/19
Thu 2/26
1 adult, Economy
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Cheap flight deals from Louisville to Lisbon

Cheapest flights from Louisville to Lisbon
Explore the most affordable flight options available from Louisville to Lisbon. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 20, 2026.

This oojo deal was found by Cheapflights users on 1/19. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/181:30 pm
SDF
-
LIS
2 stops27h 20m
British Airways
Wed 2/257:05 am
LIS
-
SDF
2 stops21h 11m
British Airways
Deal found 1/19$457
This oojo deal was found by Cheapflights users on 1/19. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/46:00 pm
SDF
-
LIS
2 stops35h 05m
British Airways
Tue 4/144:30 pm
LIS
-
SDF
2 stops33h 58m
British Airways
Deal found 1/19$487
This FlightHub deal was found by Cheapflights users on 1/19. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/71:55 pm
SDF
-
LIS
2 stops27h 20m
Lufthansa
Tue 4/145:05 am
LIS
-
SDF
2 stops22h 25m
Lufthansa
Deal found 1/19$501
This American Airlines deal was found by Cheapflights users on 1/18. 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.
Thu 1/291:15 pm
SDF
-
LIS
2 stops17h 55m
American Airlines
Wed 2/48:45 pm
LIS
-
SDF
2 stops18h 17m
American Airlines
Deal found 1/18$502
This American Airlines deal was found by Cheapflights users on 1/19. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/186:12 pm
SDF
-
LIS
2 stops15h 38m
American Airlines
Wed 2/2511:05 am
LIS
-
SDF
1 stop15h 08m
American Airlines
Deal found 1/19$504
This oojo deal was found by Cheapflights users on 1/19. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/66:12 pm
SDF
-
LIS
2 stops18h 43m
British Airways
Sun 4/125:10 pm
LIS
-
SDF
2 stops35h 17m
British Airways
Deal found 1/19$512
This KLM deal was found by Cheapflights users on 1/19. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/212:35 pm
SDF
-
LIS
1 stop17h 10m
KLM
Fri 5/155:00 am
LIS
-
SDF
2 stops17h 41m
KLM
Deal found 1/19$540
This United Airlines deal was found by Cheapflights users on 1/18. 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 2/62:05 pm
SDF
-
LIS
2 stops13h 05m
United Airlines
Tue 2/105:00 am
LIS
-
SDF
2 stops20h 28m
United Airlines
Deal found 1/18$549
This Gurufare deal was found by Cheapflights users on 1/17. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/27:20 pm
SDF
-
LIS
2 stops22h 25m
Lufthansa
Fri 5/155:05 am
LIS
-
SDF
2 stops22h 25m
Lufthansa
Deal found 1/17$553
This United Airlines deal was found by Cheapflights users on 1/18. 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 1/292:10 pm
SDF
-
LIS
2 stops13h 00m
United Airlines
Wed 2/42:00 pm
LIS
-
SDF
1 stop14h 23m
United Airlines
Deal found 1/18$557

Find flight deals from Louisville to Lisbon

Discover tips and strategies to find the most affordable flight options for your journey from Louisville (SDF) to Lisbon (LIS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 20, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$457
(oojo)

Popular in

May

Cheapest in

December

Average price

$659
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.
Search Deals
From Louisville Intl to Lisbon Humberto Delgado
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($165 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($31 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Louisville to Lisbon 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 January 20, 2026.
Use the filters below to find and compare flights from Louisville to Lisbon that are best for you.

Fly from

Louisville

Fly to

Lisbon

Route

Depart

Return

Price

LouisvilleLisbon

SDF - LIS

SDFLIS

Louisville Intl

Wed 2/18

1:30 pm-9:50 pm

2 stops27h 20m

Lisbon Humberto Delgado

Wed 2/25

7:05 am-11:16 pm

2 stops21h 11m

$457

LouisvilleLisbon

SDF - LIS

SDFLIS

Louisville Intl

Sat 4/4

6:00 pm-10:05 am

2 stops35h 05m

Lisbon Humberto Delgado

Tue 4/14

4:30 pm-9:28 pm

2 stops33h 58m

$487

LouisvilleLisbon

SDF - LIS

SDFLIS

Louisville Intl

Tue 4/7

1:55 pm-10:15 pm

2 stops27h 20m

Lisbon Humberto Delgado

Tue 4/14

5:05 am-10:30 pm

2 stops22h 25m

$501

LouisvilleLisbon

SDF - LIS

SDFLIS

Louisville Intl

Thu 1/29

1:15 pm-12:10 pm

2 stops17h 55m

Lisbon Humberto Delgado

Wed 2/4

8:45 pm-10:02 am

2 stops18h 17m

$502

LouisvilleLisbon

SDF - LIS

SDFLIS

Louisville Intl

Wed 2/18

11:38 am-8:55 am

1 stop16h 17m

Lisbon Humberto Delgado

Wed 2/25

11:05 am-9:13 pm

1 stop15h 08m

$507

LouisvilleLisbon

SDF - LIS

SDFLIS

Louisville Intl

Fri 2/6

8:29 am-8:10 am

2 stops18h 41m

Lisbon Humberto Delgado

Tue 2/10

5:00 am-8:28 pm

2 stops20h 28m

$549

LouisvilleLisbon

SDF - LIS

SDFLIS

Louisville Intl

Thu 1/29

2:10 pm-8:10 am

2 stops13h 00m

Lisbon Humberto Delgado

Wed 2/4

2:00 pm-11:23 pm

1 stop14h 23m

$557

LouisvilleLisbon

SDF - LIS

SDFLIS

Louisville Intl

Thu 1/29

1:50 pm-8:10 am

1 stop13h 20m

Lisbon Humberto Delgado

Wed 2/4

2:00 pm-11:23 pm

1 stop14h 23m

$576

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/19

Compare providers for flights from Louisville to Lisbon

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Louisville to Lisbon in January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
AranGrantPrice Accuracy2 starsTrust Score*3 stars
OvagoPrice Accuracy2 starsTrust Score*2 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Louisville-Lisbon flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Louisville-Lisbon flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Louisville-Lisbon flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Louisville-Lisbon flights, Cheapflights users trust Expedia the most. Expedia has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Louisville-Lisbon flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Louisville to Lisbon

Have a flexible travel schedule? Discover the best time to fly to Lisbon from Louisville 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 Louisville to Lisbon

What is the cheapest month to book a flight from Louisville to Lisbon?

Currently, February is the cheapest month in which you can book a flight from Louisville to Lisbon (average of $460). Flying from Louisville to Lisbon 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.

Reviews of airlines servicing Lisbon

Get insights into the airlines that provide service to Lisbon. 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 Lisbon. Reviews last updated January 20, 2026.
Peruse reviews from past customers who have flown with United Airlines and American Airlines from Louisville to Lisbon 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.
United Airlines
7.4
Good
9,180 reviews

Crew

8.1

Comfort

7.3

Food

6.6

Boarding

7.7

Overall

7.4

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.4
Good
9,180 reviews
United Airlines
7.4
Good
9,180 reviews

Crew

8.1

Comfort

7.3

Food

6.6

Boarding

7.7

Overall

7.4

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
American Airlines
7.2
Good
11,164 reviews
United Airlines
7.4
Good
9,180 reviews

Crew

8.1

Comfort

7.3

Food

6.6

Boarding

7.7

Overall

7.4

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

Related info for your journey

Find useful and relevant information for your journey from Louisville to Lisbon. 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 Louisville to Lisbon?

    British Airways, Lufthansa, and American Airlines can get you from Louisville to Lisbon in just under 17h 55m. Your travel time can differ by up to 9h 25m. Louisville and Lisbon are separated by a distance of 4008 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from Louisville to Lisbon round-trip?

    According to our current data, United Airlines ($595), and American Airlines ($606) offers the cheapest pricing from Louisville to Lisbon. Users have found that United Airlines is 37% cheaper than the other options available to this destination.

  • Can I find deals for flights from Louisville to Lisbon that include hotel bookings?

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

  • How can I find direct flights from Louisville to Lisbon?

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

  • Can I find deals for business class flights from Louisville to Lisbon?

    Yes. Cheapflights offers flight deals from Louisville to Lisbon 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 Louisville to Lisbon?

    Currently, February is the cheapest month in which you can book a flight from Louisville to Lisbon (average of $460). Flying from Louisville to Lisbon 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

Traveling to a place near Lisbon?

Book flights to Lisbon if you plan to visit one of these locations
Fátima
Oeiras
Ericeira
Beja
Costa da Caparica
Torres Vedras
Nazaré
Sesimbra
Colares

Browse thousands of different options on Cheapflights for your next trip

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Top 2 airlines flying from Louisville to Lisbon

Discover the top 2 airlines that operate flights from Louisville to Lisbon. 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 January 20, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$595Average$909FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$606Average$957FlexibilityNo cancel feeOn-time71%

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