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Lisbon

$399+ 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 9/19. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — LIS
Jun 27 — Jul 41
Sat 6/27
Sat 7/4
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 May 28, 2026.

This United Airlines deal was found by Cheapflights users on 5/23. 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 10/288:45 am
SDF
-
LIS
1 stop19h 25m
United Airlines
Sat 11/711:20 am
LIS
-
SDF
2 stops34h 29m
United Airlines
Deal found 5/23$796
This Expedia deal was found by Cheapflights users on 5/24. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/297:14 pm
SDF
-
LIS
2 stops24h 11m
Iberia
Mon 11/28:45 pm
LIS
-
SDF
2 stops31h 14m
Iberia
Deal found 5/24$828
This United Airlines deal was found by Cheapflights users on 5/26. 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 10/2210:05 am
SDF
-
LIS
1 stop19h 25m
United Airlines
Thu 10/291:00 pm
LIS
-
SDF
2 stops34h 09m
United Airlines
Deal found 5/26$848
This Travelocity deal was found by Cheapflights users on 5/26. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2210:25 am
SDF
-
LIS
2 stops17h 55m
Air Canada
Thu 10/291:00 pm
LIS
-
SDF
2 stops34h 09m
Air Canada
Deal found 5/26$851
This United Airlines deal was found by Cheapflights users on 5/23. 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 10/211:37 pm
SDF
-
LIS
1 stop13h 43m
United Airlines
Sat 10/3111:20 am
LIS
-
SDF
2 stops40h 55m
United Airlines
Deal found 5/23$853
This Orbitz deal was found by Cheapflights users on 5/23. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2110:25 am
SDF
-
LIS
2 stops17h 55m
Air Canada
Sat 10/311:00 pm
LIS
-
SDF
2 stops32h 49m
Air Canada
Deal found 5/23$861
This Justfly.com deal was found by Cheapflights users on 5/26. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/221:56 pm
SDF
-
LIS
1 stop15h 34m
Lufthansa
Thu 10/2910:15 am
LIS
-
SDF
1 stop17h 00m
Lufthansa
Deal found 5/26$862
This United Airlines deal was found by Cheapflights users on 5/24. 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 10/2910:00 am
SDF
-
LIS
1 stop20h 15m
United Airlines
Mon 11/210:15 am
LIS
-
SDF
1 stop18h 00m
United Airlines
Deal found 5/24$866
This Justfly.com deal was found by Cheapflights users on 5/23. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/211:56 pm
SDF
-
LIS
1 stop15h 34m
Lufthansa
Sat 10/3110:15 am
LIS
-
SDF
1 stop13h 45m
Lufthansa
Deal found 5/23$872
This Air Canada deal was found by Cheapflights users on 5/23. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2110:25 am
SDF
-
LIS
3 stops17h 55m
Multiple Airlines
Sat 10/3111:20 am
LIS
-
SDF
2 stops16h 45m
Multiple Airlines
Deal found 5/23$880

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 May 28, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$796
(United Airlines)

One-way from

$399
(United Airlines)

Popular in

July

Cheapest in

December

Average price

$1,146
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
One-way flight from Louisville Intl to Lisbon Humberto Delgado
Search Deals
Highest demand for flights based on searches. 16% potential increase in price ($176 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($25 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 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 May 28, 2026.
Use the filters below to find and compare flights from Louisville to Lisbon that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

LouisvilleLisbon

SDF - LIS

SDFLIS

Louisville Intl

Wed 10/28

1:00 pm-8:10 am

1 stop15h 10m

Lisbon Humberto Delgado

Sat 11/7

11:55 am-7:34 pm

1 stop12h 39m

$816

LouisvilleLisbon

SDF - LIS

SDFLIS

Louisville Intl

Tue 7/7

1:48 pm-10:30 am

1 stop15h 42m

Lisbon Humberto Delgado

Fri 7/17

11:25 am-8:25 pm

2 stops38h 00m

$938

LouisvilleLisbon

SDF - LIS

SDFLIS

Louisville Intl

Mon 7/6

10:05 am-10:30 am

1 stop19h 25m

Lisbon Humberto Delgado

Tue 7/21

11:25 am-5:03 pm

2 stops34h 38m

$938

LouisvilleLisbon

SDF - LIS

SDFLIS

Louisville Intl

Wed 10/7

10:25 am-9:20 am

3 stops17h 55m

Lisbon Humberto Delgado

Mon 10/12

11:25 am-11:59 pm

3 stops17h 34m

$1,003

LouisvilleLisbon

SDF - LIS

SDFLIS

Louisville Intl

Fri 8/7

11:44 am-9:20 am

2 stops16h 36m

Lisbon Humberto Delgado

Fri 8/14

1:00 pm-2:37 pm

2 stops30h 37m

$1,006

LouisvilleLisbon

SDF - LIS

SDFLIS

Louisville Intl

Tue 7/21

1:48 pm-10:30 am

1 stop15h 42m

Lisbon Humberto Delgado

Mon 7/27

1:00 pm-11:59 pm

2 stops39h 59m

$1,013

LouisvilleLisbon

SDF - LIS

SDFLIS

Louisville Intl

Fri 7/31

10:05 am-9:20 am

2 stops18h 15m

Lisbon Humberto Delgado

Thu 8/6

10:25 am-10:50 pm

1 stop17h 25m

$1,021

LouisvilleLisbon

SDF - LIS

SDFLIS

Louisville Intl

Sun 7/12

10:05 am-10:30 am

1 stop19h 25m

Lisbon Humberto Delgado

Sun 7/19

6:15 am-9:26 am

2 stops32h 11m

$1,023

LouisvilleLisbon

SDF - LIS

SDFLIS

Louisville Intl

Thu 9/10

7:10 am-9:20 am

2 stops21h 10m

Lisbon Humberto Delgado

Mon 9/14

11:25 am-7:07 pm

2 stops36h 42m

$1,041
Cheapest one-way

LouisvilleLisbon

SDF - LIS

SDFLIS

Louisville Intl

Sat 9/19

6:20 pm-9:20 am

2 stops34h 00m

$399

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/25

Showing 1-10 of 19 resultsSorted by cheapest first
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 May.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy3 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 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 FlightHub the most. FlightHub 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, December is the cheapest month in which you can book a flight from Louisville to Lisbon (average of $650). Flying from Louisville to Lisbon in July is currently the most expensive (average of $1,150). 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.

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 May 28, 2026.
Peruse reviews from past customers who have flown with Delta,United Airlines, andAmerican 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
8,423 reviews

Food

7.2

Entertainment

7.8

Crew

8.5

Boarding

8.1

Overall

7.9

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
Delta
7.9
Good
8,423 reviews
Delta
7.9
Good
8,423 reviews

Food

7.2

Entertainment

7.8

Crew

8.5

Boarding

8.1

Overall

7.9

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
United Airlines
7.4
Good
9,751 reviews
Delta
7.9
Good
8,423 reviews

Food

7.2

Entertainment

7.8

Crew

8.5

Boarding

8.1

Overall

7.9

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
American Airlines
7.1
Good
11,639 reviews
Delta
7.9
Good
8,423 reviews

Food

7.2

Entertainment

7.8

Crew

8.5

Boarding

8.1

Overall

7.9

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

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 Air Canada can get you from Louisville to Lisbon in just under 15h 10m. Your travel time can differ by up to 2h 45m. 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 ($543), Delta ($587), and American Airlines ($603) offers the cheapest pricing from Louisville to Lisbon. Users have found that United Airlines 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, December is the cheapest month in which you can book a flight from Louisville to Lisbon (average of $650). Flying from Louisville to Lisbon in July is currently the most expensive (average of $1,150). 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
Ericeira
Oeiras
Beja
Costa da Caparica
Torres Vedras
Nazaré
Colares
Sesimbra

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Louisville to Lisbon

See prices for flight routes from nearby airports that may be better suited for you.
Cincinnati to Lisbon flights
Nashville to Lisbon flights
Cincinnati to Porto flights
Nashville to Porto flights
Knoxville to Lisbon flights
Lexington to Porto flights

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 May 28, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$543Average$921FlexibilityNo cancel feeOn-time69%
DeltaCheapest$587Average$1,249FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$603Average$870FlexibilityNo cancel feeOn-time71%

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