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$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 4/27. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — LIS
feb. 7 — feb. 141
sáb. 2/7
sáb. 2/14
1 adult, Economy
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Cheap 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 enero 8, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$457
(Delta)

Popular in

May

Cheapest in

December

Average price

$659
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 Louisville Intl to Lisbon Humberto Delgado
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Highest demand for flights based on searches. 14% potential increase in price ($165 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($32 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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Find 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 enero 8, 2026.

This Delta deal was found by Cheapflights users on 1/7. 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.
lun. 4/2712:35 pmSDF - LIS
1 stop17h 10mDelta
vie. 5/810:00 amLIS - SDF
1 stop15h 57mDelta
Deal found 1/7$457
This Delta deal was found by Cheapflights users on 1/7. 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.
lun. 4/275:00 pmSDF - LIS
2 stops12h 45mDelta
jue. 5/712:45 pmLIS - SDF
2 stops16h 14mDelta
Deal found 1/7$462
This British Airways deal was found by Cheapflights users on 1/7. 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. 4/287:05 pmSDF - LIS
2 stops15h 30mBritish Airways
vie. 5/87:20 amLIS - SDF
2 stops21h 07mBritish Airways
Deal found 1/7$475
This Delta deal was found by Cheapflights users on 1/7. 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.
lun. 4/2712:35 pmSDF - LIS
1 stop17h 10mDelta
sáb. 5/99:50 amLIS - SDF
2 stops19h 09mDelta
Deal found 1/7$479
This KLM deal was found by Cheapflights users on 1/7. 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.
jue. 3/512:33 pmSDF - LIS
1 stop14h 27mMultiple Airlines
jue. 3/1210:00 amLIS - SDF
2 stops16h 43mMultiple Airlines
Deal found 1/7$487
This Delta deal was found by Cheapflights users on 1/7. 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.
lun. 4/2712:35 pmSDF - LIS
1 stop17h 10mDelta
dom. 5/1012:45 pmLIS - SDF
1 stop31h 25mDelta
Deal found 1/7$488
This Delta deal was found by Cheapflights users on 1/7. 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.
lun. 4/272:00 pmSDF - LIS
2 stops15h 45mDelta
mar. 5/1212:45 pmLIS - SDF
2 stops16h 14mDelta
Deal found 1/7$492
This United Airlines deal was found by Cheapflights users on 1/7. 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. 4/282:20 pmSDF - LIS
1 stop13h 00mUnited Airlines
jue. 5/77:25 amLIS - SDF
2 stops19h 44mUnited Airlines
Deal found 1/7$495
This Delta deal was found by Cheapflights users on 1/7. 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.
lun. 4/275:00 pmSDF - LIS
2 stops12h 45mDelta
mié. 5/1312:45 pmLIS - SDF
1 stop31h 25mDelta
Deal found 1/7$497
This Delta deal was found by Cheapflights users on 1/7. 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.
vie. 1/237:50 amSDF - LIS
2 stops19h 10mDelta
mar. 1/2710:00 amLIS - SDF
2 stops28h 26mDelta
Deal found 1/7$500

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 enero 8, 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

lun. 4/27

12:35 pm-10:45 am

1 stop17h 10m

Lisbon Humberto Delgado

vie. 5/8

10:00 am-8:57 pm

1 stop15h 57m

$457

LouisvilleLisbon

SDF - LIS

SDFLIS

Louisville Intl

lun. 4/27

12:35 pm-10:45 am

1 stop17h 10m

Lisbon Humberto Delgado

jue. 5/7

12:45 pm-11:59 pm

2 stops16h 14m

$462

LouisvilleLisbon

SDF - LIS

SDFLIS

Louisville Intl

mié. 4/29

4:33 pm-2:10 pm

2 stops16h 37m

Lisbon Humberto Delgado

jue. 5/7

6:45 pm-11:27 pm

2 stops33h 42m

$475

LouisvilleLisbon

SDF - LIS

SDFLIS

Louisville Intl

jue. 3/5

12:33 pm-8:00 am

1 stop14h 27m

Lisbon Humberto Delgado

jue. 3/12

10:00 am-10:43 pm

2 stops16h 43m

$487

LouisvilleLisbon

SDF - LIS

SDFLIS

Louisville Intl

lun. 4/27

2:00 pm-10:45 am

2 stops15h 45m

Lisbon Humberto Delgado

mar. 5/12

10:00 am-8:57 pm

1 stop15h 57m

$492

LouisvilleLisbon

SDF - LIS

SDFLIS

Louisville Intl

mar. 4/28

2:20 pm-8:20 am

1 stop13h 00m

Lisbon Humberto Delgado

vie. 5/8

5:05 am-8:14 pm

2 stops20h 09m

$495

LouisvilleLisbon

SDF - LIS

SDFLIS

Louisville Intl

mar. 4/28

2:20 pm-8:20 am

1 stop13h 00m

Lisbon Humberto Delgado

dom. 5/10

5:05 am-4:49 pm

2 stops16h 44m

$495

LouisvilleLisbon

SDF - LIS

SDFLIS

Louisville Intl

lun. 4/27

5:00 pm-10:45 am

2 stops12h 45m

Lisbon Humberto Delgado

mié. 5/13

12:45 pm-3:10 pm

1 stop31h 25m

$497

LouisvilleLisbon

SDF - LIS

SDFLIS

Louisville Intl

vie. 1/23

10:13 am-8:00 am

2 stops16h 47m

Lisbon Humberto Delgado

mar. 1/27

10:00 am-9:05 pm

1 stop16h 05m

$500

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/7

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
eDreamsPrice Accuracy3 starsTrust Score*3 stars
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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Louisville-Lisbon flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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, January is the cheapest month in which you can book a flight from Louisville to Lisbon (average of $472). 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 enero 8, 2026.
Peruse reviews from past customers who have flown with Delta, 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.
Delta
7.9
Good
8,025 reviews

Overall

7.9

Comfort

7.9

Boarding

8.1

Food

7.2

Crew

8.5

Entertainment

7.8

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,025 reviews
Delta
7.9
Good
8,025 reviews

Overall

7.9

Comfort

7.9

Boarding

8.1

Food

7.2

Crew

8.5

Entertainment

7.8

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,139 reviews
Delta
7.9
Good
8,025 reviews

Overall

7.9

Comfort

7.9

Boarding

8.1

Food

7.2

Crew

8.5

Entertainment

7.8

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
American Airlines
7.2
Good
11,094 reviews
Delta
7.9
Good
8,025 reviews

Overall

7.9

Comfort

7.9

Boarding

8.1

Food

7.2

Crew

8.5

Entertainment

7.8

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

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?

    Delta can get you from Louisville to Lisbon in just under 17h 10m. Your travel time can differ by up to . Louisville and Lisbon are separated by a distance of 4008 mi.

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

    According to our current data, Delta ($587), United Airlines ($595), and American Airlines ($616) offers the cheapest pricing from Louisville to Lisbon. Users have found that Delta is 38% 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, January is the cheapest month in which you can book a flight from Louisville to Lisbon (average of $472). 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 3 airlines flying from Louisville to Lisbon

Discover the top 3 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 enero 8, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$587Average$921FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$595Average$896FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$616Average$959FlexibilityNo cancel feeOn-time71%

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