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Lisbon

$356+ Cheap flights from Louisville (SDF) to Lisbon (LIS)

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 12/30. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — LIS
déc. 17 — déc. 241
mer. 12/17
mer. 12/24
1 adult, Economy
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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 novembre 17, 2025.

This Delta deal was found by Cheapflights users on 11/15. 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.
sam. 12/612:10 pmSDF - LIS
1 stop14h 50mDelta
mer. 12/105:00 amLIS - SDF
2 stops17h 16mDelta
Deal found 11/15$787
This Lufthansa deal was found by Cheapflights users on 11/15. 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.
sam. 12/62:15 pmSDF - LIS
1 stop15h 00mLufthansa
mer. 12/1011:55 amLIS - SDF
1 stop13h 47mLufthansa
Deal found 11/15$803
This Virgin Atlantic deal was found by Cheapflights users on 11/16. 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.
sam. 12/66:11 pmSDF - LIS
2 stops33h 44mVirgin Atlantic
mer. 12/1010:00 amLIS - SDF
2 stops18h 59mVirgin Atlantic
Deal found 11/16$807
This United Airlines deal was found by Cheapflights users on 11/16. 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.
sam. 12/69:55 amSDF - LIS
1 stop19h 20mUnited Airlines
mer. 12/1011:00 amLIS - SDF
2 stops31h 12mUnited Airlines
Deal found 11/16$823
This Booking.com deal was found by Cheapflights users on 11/15. 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.
mar. 12/3010:50 amSDF - LIS
2 stops41h 05mAir Canada
mar. 1/611:20 amLIS - SDF
2 stops52h 03mAir Canada
Deal found 11/15$1,008
This Booking.com deal was found by Cheapflights users on 11/15. 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.
mar. 12/302:22 pmSDF - LIS
1 stop14h 53mMultiple Airlines
mar. 1/611:20 amLIS - SDF
2 stops52h 03mMultiple Airlines
Deal found 11/15$1,091
This Trip.com deal was found by Cheapflights users on 11/15. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/302:22 pmSDF - LIS
1 stop14h 53mLufthansa
mar. 1/610:15 amLIS - SDF
1 stop18h 08mLufthansa
Deal found 11/15$1,101
This Ovago deal was found by Cheapflights users on 11/14. 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.
mar. 12/161:38 pmSDF - LIS
1 stop13h 32mLufthansa
mer. 12/315:00 amLIS - SDF
2 stops22h 30mLufthansa
Deal found 11/14$1,158
This KLM deal was found by Cheapflights users on 11/14. 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.
mar. 12/163:18 pmSDF - LIS
2 stops12h 42mKLM
mer. 12/3111:15 amLIS - SDF
2 stops17h 41mKLM
Deal found 11/14$1,223

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 novembre 17, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$489
(United Airlines)

One-way from

$356
(Yatra.com)

Popular in

May

Cheapest in

January

Average price

$875
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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One-way flight from Louisville Intl to Lisbon Humberto Delgado
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Highest demand for flights based on searches. 16% potential increase in price ($196 potential increase over avg. RT price).
Search Deals
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 November 2025
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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 novembre 17, 2025.
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

jeu. 1/15

5:35 am-9:20 am

2 stops22h 45m

Lisbon Humberto Delgado

lun. 1/19

11:20 am-8:28 pm

2 stops38h 08m

$489

LouisvilleLisbon

SDF - LIS

SDFLIS

Louisville Intl

jeu. 1/15

5:35 am-9:20 am

2 stops22h 45m

Lisbon Humberto Delgado

lun. 1/19

11:20 am-7:31 pm

2 stops37h 11m

$489

LouisvilleLisbon

SDF - LIS

SDFLIS

Louisville Intl

ven. 1/9

6:12 pm-8:55 am

2 stops33h 43m

Lisbon Humberto Delgado

dim. 1/18

10:50 am-8:28 pm

2 stops38h 38m

$489

LouisvilleLisbon

SDF - LIS

SDFLIS

Louisville Intl

sam. 3/14

5:45 pm-3:05 pm

2 stops41h 20m

Lisbon Humberto Delgado

lun. 3/23

5:00 am-11:59 pm

2 stops22h 59m

$513

LouisvilleLisbon

SDF - LIS

SDFLIS

Louisville Intl

sam. 3/14

5:00 pm-12:10 pm

2 stops15h 10m

Lisbon Humberto Delgado

lun. 3/23

11:05 am-8:55 pm

1 stop13h 50m

$649

LouisvilleLisbon

SDF - LIS

SDFLIS

Louisville Intl

ven. 4/3

9:00 am-9:20 am

2 stops19h 20m

Lisbon Humberto Delgado

mar. 4/7

11:25 am-4:51 pm

2 stops34h 26m

$678

LouisvilleLisbon

SDF - LIS

SDFLIS

Louisville Intl

lun. 5/11

6:00 pm-10:45 pm

2 stops23h 45m

Lisbon Humberto Delgado

ven. 5/29

7:25 am-8:00 pm

2 stops17h 35m

$685

LouisvilleLisbon

SDF - LIS

SDFLIS

Louisville Intl

jeu. 4/2

9:55 am-10:30 am

1 stop19h 35m

Lisbon Humberto Delgado

ven. 4/10

7:25 am-8:21 pm

2 stops17h 56m

$687

LouisvilleLisbon

SDF - LIS

SDFLIS

Louisville Intl

ven. 4/10

7:15 am-9:20 am

2 stops45h 05m

Lisbon Humberto Delgado

sam. 4/18

5:05 am-4:51 pm

2 stops16h 46m

$691

LouisvilleLisbon

SDF - LIS

SDFLIS

Louisville Intl

sam. 5/9

7:30 am-9:20 am

2 stops20h 50m

Lisbon Humberto Delgado

sam. 5/16

5:05 am-4:49 pm

2 stops16h 44m

$739

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/14

Showing 1-10 of 18 results
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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 November.
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

*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, November is the cheapest month in which you can book a flight from Louisville to Lisbon (average of $557). 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.

What is the cheapest time of day to fly from SDF to LIS?

Find hourly flight availability from Louisville to Lisbon. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated novembre 17, 2025.

It’s optimal to fly from Louisville to Lisbon in the evening. By choosing this option you can save up to 37% on the cost of your flight, compared to a flight at noon.

How much does it cost to fly round-trip from Louisville to Lisbon?

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 novembre 17, 2025.
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
9,014 reviews

Entertainment

7.1

Food

6.6

Boarding

7.7

Comfort

7.3

Crew

8.1

Overall

7.4

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
United Airlines
7.4
Good
9,014 reviews
United Airlines
7.4
Good
9,014 reviews

Entertainment

7.1

Food

6.6

Boarding

7.7

Comfort

7.3

Crew

8.1

Overall

7.4

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
American Airlines
7.2
Good
11,049 reviews
United Airlines
7.4
Good
9,014 reviews

Entertainment

7.1

Food

6.6

Boarding

7.7

Comfort

7.3

Crew

8.1

Overall

7.4

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

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?

    United Airlines, Air Canada, and Lufthansa can get you from Louisville to Lisbon in just under 22h 45m. Your travel time can differ by up to 18h 35m. 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 ($603), and American Airlines ($616) 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.

  • What are the cheapest airlines to fly from Louisville to Lisbon one-way?

    The cheapest airlines for a one-way flight from Louisville to Lisbon are Air Canada ($356), British Airways ($362), and KLM ($365).

  • 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, November is the cheapest month in which you can book a flight from Louisville to Lisbon (average of $557). 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
Sintra
Fátima
Oeiras
Ericeira
Nazaré
Costa da Caparica
Torres Vedras
Beja
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 novembre 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$603Average$862FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$616Average$981FlexibilityNo cancel feeOn-time71%

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