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Lisbon

$549+ 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 10/20. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — LIS
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
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 September 17, 2025.

Round-trip from

$549
(United Airlines)

Popular in

September

Cheapest in

December

Average price

$1,408
From Louisville Intl to Lisbon Humberto Delgado
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Highest demand for flights based on searches. 15% potential increase in price ($186 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($38 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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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 September 17, 2025.

This United Airlines deal was found by Cheapflights users on 9/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/2010:55 amSDF - LIS
2 stops17h 25mUnited Airlines
Tue 11/115:00 amLIS - SDF
2 stops22h 29mUnited Airlines
Deal found 9/17$549
This United Airlines deal was found by Cheapflights users on 9/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/2010:55 amSDF - LIS
2 stops17h 25mUnited Airlines
Wed 11/126:10 amLIS - SDF
2 stops21h 19mUnited Airlines
Deal found 9/17$559
This Gurufare deal was found by Cheapflights users on 9/16. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/105:20 pmSDF - LIS
2 stops23h 35mBritish Airways
Wed 11/196:30 amLIS - SDF
2 stops18h 49mBritish Airways
Deal found 9/16$588
This KAYAK deal was found by Cheapflights users on 9/17. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/127:20 pmSDF - LIS
2 stops21h 30mLufthansa
Tue 11/115:00 amLIS - SDF
2 stops23h 40mLufthansa
Deal found 9/17$595
This KAYAK deal was found by Cheapflights users on 9/17. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/207:20 pmSDF - LIS
2 stops21h 30mLufthansa
Mon 11/103:55 pmLIS - SDF
2 stops35h 34mLufthansa
Deal found 9/17$596
This United Airlines deal was found by Cheapflights users on 9/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/232:03 pmSDF - LIS
1 stop15h 27mUnited Airlines
Tue 11/115:00 amLIS - SDF
2 stops20h 44mUnited Airlines
Deal found 9/17$599
This United Airlines deal was found by Cheapflights users on 9/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/251:00 pmSDF - LIS
2 stops17h 15mUnited Airlines
Tue 11/115:00 amLIS - SDF
2 stops22h 29mUnited Airlines
Deal found 9/17$603
This United Airlines deal was found by Cheapflights users on 9/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/188:45 amSDF - LIS
2 stops21h 20mUnited Airlines
Tue 11/115:00 amLIS - SDF
2 stops22h 29mUnited Airlines
Deal found 9/17$605
This United Airlines deal was found by Cheapflights users on 9/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/239:55 amSDF - LIS
1 stop19h 35mUnited Airlines
Thu 11/136:10 amLIS - SDF
2 stops19h 34mUnited Airlines
Deal found 9/17$609
This Ovago deal was found by Cheapflights users on 9/17. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/105:20 pmSDF - LIS
2 stops20h 35mBritish Airways
Thu 11/206:30 amLIS - SDF
2 stops19h 59mBritish Airways
Deal found 9/17$611
This KAYAK deal was found by Cheapflights users on 9/17. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/127:20 pmSDF - LIS
2 stops21h 30mLufthansa
Mon 11/103:55 pmLIS - SDF
2 stops35h 34mLufthansa
Deal found 9/17$615

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 September 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

Mon 10/20

8:45 am-9:20 am

2 stops19h 35m

Lisbon Humberto Delgado

Thu 11/13

6:10 am-10:29 pm

2 stops21h 19m

$559

LouisvilleLisbon

SDF - LIS

SDFLIS

Louisville Intl

Mon 11/10

5:20 pm-9:55 pm

2 stops23h 35m

Lisbon Humberto Delgado

Wed 11/19

6:30 am-8:19 pm

2 stops18h 49m

$588

LouisvilleLisbon

SDF - LIS

SDFLIS

Louisville Intl

Wed 10/22

9:55 am-9:20 am

2 stops18h 25m

Lisbon Humberto Delgado

Mon 11/10

5:00 am-10:29 pm

2 stops22h 29m

$599

LouisvilleLisbon

SDF - LIS

SDFLIS

Louisville Intl

Mon 11/10

5:20 pm-9:55 pm

2 stops23h 35m

Lisbon Humberto Delgado

Thu 11/20

8:45 pm-9:29 pm

2 stops29h 44m

$599

LouisvilleLisbon

SDF - LIS

SDFLIS

Louisville Intl

Sat 10/25

2:03 pm-11:15 am

1 stop16h 12m

Lisbon Humberto Delgado

Tue 11/11

5:00 am-10:29 pm

2 stops22h 29m

$599

LouisvilleLisbon

SDF - LIS

SDFLIS

Louisville Intl

Thu 10/23

10:55 am-9:20 am

2 stops17h 25m

Lisbon Humberto Delgado

Tue 11/11

5:00 am-8:44 pm

2 stops20h 44m

$599

LouisvilleLisbon

SDF - LIS

SDFLIS

Louisville Intl

Sat 10/18

8:45 am-11:05 am

2 stops21h 20m

Lisbon Humberto Delgado

Tue 11/11

5:00 am-10:29 pm

2 stops22h 29m

$605

LouisvilleLisbon

SDF - LIS

SDFLIS

Louisville Intl

Thu 10/23

2:03 pm-10:30 am

1 stop15h 27m

Lisbon Humberto Delgado

Wed 11/12

6:10 am-10:29 pm

2 stops21h 19m

$609

LouisvilleLisbon

SDF - LIS

SDFLIS

Louisville Intl

Sat 10/25

2:03 pm-11:15 am

1 stop16h 12m

Lisbon Humberto Delgado

Wed 11/12

6:10 am-10:29 pm

2 stops21h 19m

$609

LouisvilleLisbon

SDF - LIS

SDFLIS

Louisville Intl

Mon 11/17

11:00 am-9:20 am

2 stops17h 20m

Lisbon Humberto Delgado

Fri 11/28

5:00 am-7:27 pm

2 stops19h 27m

$612

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/16

Showing 1-10 of 14 results
1
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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 $612). Flying from Louisville to Lisbon in June is currently the most expensive (average of $1,126). 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 September 17, 2025.

It’s optimal to fly from Louisville to Lisbon in the evening. By choosing this option you can save up to 38% on the cost of your flight, compared to a flight at noon.

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 September 17, 2025.
Peruse reviews from past customers who have flown with United Airlines, American Airlines, and Lufthansa 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
8,926 reviews

Entertainment

7.1

Overall

7.4

Boarding

7.7

Comfort

7.3

Crew

8.1

Food

6.6

Reviews

1 / 20
10.0
Excellent

Julia,Sep 2025

BUF - DEN

The staff were amazing, from check in to boarding and on the flight. The range of entertainment options were really good as well.
United Airlines
7.4
Good
8,926 reviews
United Airlines
7.4
Good
8,926 reviews

Entertainment

7.1

Overall

7.4

Boarding

7.7

Comfort

7.3

Crew

8.1

Food

6.6

Reviews

1 / 20
10.0
Excellent

Julia,Sep 2025

BUF - DEN

The staff were amazing, from check in to boarding and on the flight. The range of entertainment options were really good as well.
American Airlines
7.2
Good
10,000 reviews
United Airlines
7.4
Good
8,926 reviews

Entertainment

7.1

Overall

7.4

Boarding

7.7

Comfort

7.3

Crew

8.1

Food

6.6

Reviews

1 / 20
10.0
Excellent

Julia,Sep 2025

BUF - DEN

The staff were amazing, from check in to boarding and on the flight. The range of entertainment options were really good as well.
Lufthansa
6.8
Okay
7,409 reviews
United Airlines
7.4
Good
8,926 reviews

Entertainment

7.1

Overall

7.4

Boarding

7.7

Comfort

7.3

Crew

8.1

Food

6.6

Reviews

1 / 20
10.0
Excellent

Julia,Sep 2025

BUF - DEN

The staff were amazing, from check in to boarding and on the flight. The range of entertainment options were really good as well.

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 and British Airways can get you from Louisville to Lisbon in just under 19h 35m. Your travel time can differ by up to 4h. 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, American Airlines ($603), United Airlines ($618), and Lufthansa ($1,014) offers the cheapest pricing from Louisville to Lisbon. Users have found that American Airlines is 39% 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 ($3,683), Lufthansa ($6,850), and Air Canada ($13,920).

  • 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 $612). Flying from Louisville to Lisbon in June is currently the most expensive (average of $1,126). 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
Beja
Nazaré
Ericeira
Costa da Caparica
Torres Vedras
Sesimbra
Colares

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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 September 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$603Average$988FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$618Average$867FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$1,014Average$1,780FlexibilityNo cancel feeOn-time76%

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