HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Lisbon

$495+ 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 12/1. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — LIS
Dec 3 — Dec 101
Wed 12/3
Wed 12/10
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Louisville to Lisbon with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 November 3, 2025.

This Delta deal was found by Cheapflights users on 11/1. 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.
Mon 12/14:15 pmSDF - LIS
1 stop10h 45mDelta
Sun 12/1411:15 amLIS - SDF
1 stop33h 35mDelta
Deal found 11/1$495
This United Airlines deal was found by Cheapflights users on 11/2. 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 11/109:55 amSDF - LIS
1 stop19h 20mUnited Airlines
Thu 11/2010:55 amLIS - SDF
2 stops37h 32mUnited Airlines
Deal found 11/2$732
This Cheapflightsfares deal was found by Cheapflights users on 11/1. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/102:02 pmSDF - LIS
2 stops16h 28mLufthansa
Thu 11/205:00 amLIS - SDF
2 stops22h 29mLufthansa
Deal found 11/1$739
This United Airlines deal was found by Cheapflights users on 11/2. 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 11/102:35 pmSDF - LIS
1 stop14h 40mUnited Airlines
Wed 11/195:00 amLIS - SDF
2 stops20h 44mUnited Airlines
Deal found 11/2$741
This Ovago deal was found by Cheapflights users on 11/2. 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.
Sun 11/167:34 amSDF - LIS
2 stops23h 31mBritish Airways
Sat 11/226:40 pmLIS - SDF
2 stops33h 15mBritish Airways
Deal found 11/2$765
This United Airlines deal was found by Cheapflights users on 11/1. 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.
Sat 12/612:20 pmSDF - LIS
2 stops15h 35mUnited Airlines
Wed 12/1011:00 amLIS - SDF
2 stops31h 12mUnited Airlines
Deal found 11/1$782
This Cheapflightsfares deal was found by Cheapflights users on 11/2. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/122:02 pmSDF - LIS
2 stops19h 48mLufthansa
Sun 11/235:00 amLIS - SDF
2 stops23h 34mLufthansa
Deal found 11/2$786
This Delta deal was found by Cheapflights users on 11/2. 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.
Sat 12/612:10 pmSDF - LIS
1 stop14h 50mDelta
Wed 12/1011:25 amLIS - SDF
2 stops17h 34mDelta
Deal found 11/2$789
This United Airlines deal was found by Cheapflights users on 11/3. 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 11/129:55 amSDF - LIS
1 stop19h 20mUnited Airlines
Sun 11/235:00 amLIS - SDF
2 stops17h 16mUnited Airlines
Deal found 11/3$791

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 November 3, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$495
(Delta)

Popular in

May

Cheapest in

December

Average price

$875
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. 17% potential increase in price ($203 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($33 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
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 November 3, 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

Mon 12/1

4:15 pm-8:00 am

1 stop10h 45m

Lisbon Humberto Delgado

Sun 12/14

11:15 am-10:58 pm

2 stops16h 43m

$495

LouisvilleLisbon

SDF - LIS

SDFLIS

Louisville Intl

Mon 12/1

4:15 pm-8:00 am

1 stop10h 45m

Lisbon Humberto Delgado

Sun 12/14

11:15 am-3:50 pm

1 stop33h 35m

$495

LouisvilleLisbon

SDF - LIS

SDFLIS

Louisville Intl

Mon 12/1

7:54 pm-8:00 am

2 stops31h 06m

Lisbon Humberto Delgado

Sun 12/14

11:15 am-9:13 pm

2 stops14h 58m

$495

LouisvilleLisbon

SDF - LIS

SDFLIS

Louisville Intl

Thu 1/15

6:21 pm-3:10 pm

2 stops15h 49m

Lisbon Humberto Delgado

Mon 1/19

11:25 am-11:50 pm

2 stops17h 25m

$500

LouisvilleLisbon

SDF - LIS

SDFLIS

Louisville Intl

Thu 1/15

11:10 am-9:20 am

3 stops17h 10m

Lisbon Humberto Delgado

Sun 1/18

10:50 am-10:30 pm

2 stops16h 40m

$718

LouisvilleLisbon

SDF - LIS

SDFLIS

Louisville Intl

Mon 11/10

2:35 pm-10:15 am

1 stop14h 40m

Lisbon Humberto Delgado

Thu 11/20

10:55 am-8:44 pm

2 stops38h 49m

$732

LouisvilleLisbon

SDF - LIS

SDFLIS

Louisville Intl

Mon 11/10

1:07 pm-2:50 pm

2 stops20h 43m

Lisbon Humberto Delgado

Wed 11/19

5:00 am-11:54 pm

2 stops23h 54m

$739

LouisvilleLisbon

SDF - LIS

SDFLIS

Louisville Intl

Wed 2/11

11:14 am-8:55 am

2 stops16h 41m

$1,855

LouisvilleLisbon

SDF - LIS

SDFLIS

Louisville Intl

Wed 2/11

1:50 pm-8:10 am

1 stop13h 20m

$2,520

LouisvilleLisbon

SDF - LIS

SDFLIS

Louisville Intl

Tue 2/10

8:07 am-9:05 am

2 stops19h 58m

$3,021

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/1

Showing 1-10 of 12 results
1
2

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 November 3, 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 November 3, 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
8,997 reviews

Boarding

7.7

Food

6.6

Comfort

7.3

Crew

8.1

Entertainment

7.1

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
8,997 reviews
United Airlines
7.4
Good
8,997 reviews

Boarding

7.7

Food

6.6

Comfort

7.3

Crew

8.1

Entertainment

7.1

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
11,038 reviews
United Airlines
7.4
Good
8,997 reviews

Boarding

7.7

Food

6.6

Comfort

7.3

Crew

8.1

Entertainment

7.1

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?

    KLM, Delta, and Virgin Atlantic can get you from Louisville to Lisbon in just under 10h 45m. Your travel time can differ by up to 20h 21m. 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 British Airways ($1,855), Lufthansa ($2,520), and American Airlines ($3,021).

  • 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 November 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$603Average$862FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$616Average$981FlexibilityNo cancel feeOn-time71%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.