$750+ 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 12/6. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — LIS
Sep 19 — Sep 261
Round-trip
1 adult, Economy
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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.Cheap flight deals from Louisville to Lisbon
Cheapest
Best
Last-minute
Cheapest flights from Louisville to LisbonExplore 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 August 20, 2026.
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 August 20, 2026.
This United Airlines deal was found by Cheapflights users on 8/16. 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.
Sun 12/66:30 am -
1 stop20h 40m
Wed 12/911:20 am -
2 stops37h 40m
Deal found 8/16![United Airlines logo]()
$750
This United Airlines deal was found by Cheapflights users on 8/17. 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.
Sun 11/226:18 pm -
1 stop32h 52m
Thu 11/268:55 am -
2 stops34h 52m
Deal found 8/17![United Airlines logo]()
$751
This United Airlines deal was found by Cheapflights users on 8/17. 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.
Sun 11/226:18 pm -
1 stop32h 52m
Fri 11/2710:15 am -
1 stop12h 22m
Deal found 8/17![United Airlines logo]()
$771
This Expedia deal was found by Cheapflights users on 8/17. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/212:15 pm -
2 stops38h 05m
Fri 11/275:00 am -
2 stops20h 39m
Deal found 8/17![Multiple Airlines logo]()
$772
This Delta deal was found by Cheapflights users on 8/19. 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.
Tue 10/271:20 pm -
1 stop15h 40m
Sun 11/111:30 am -
2 stops17h 29m
Deal found 8/19![Delta logo]()
$786
This United deal was found by Cheapflights users on 8/17. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/1210:00 am -
1 stop19h 30m
Wed 10/285:00 am -
2 stops17h 32m
Deal found 8/17![Multiple Airlines logo]()
$790
This Justfly.com deal was found by Cheapflights users on 8/17. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/222:10 pm -
2 stops14h 10m
Thu 11/268:55 am -
2 stops39h 35m
Deal found 8/17![Air Canada logo]()
$800
This United Airlines deal was found by Cheapflights users on 8/17. 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 10/121:25 pm -
1 stop13h 55m
Wed 10/2810:15 am -
1 stop30h 48m
Deal found 8/17![United Airlines logo]()
$801
Best flights from Louisville to LisbonDiscover carefully curated flight deals from Louisville to Lisbon that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 20, 2026.
Discover carefully curated flight deals from Louisville to Lisbon that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 20, 2026.
This United Airlines deal was found by Cheapflights users on 8/18. 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.
Sun 12/66:30 am -
1 stop20h 40m
Wed 12/911:20 am -
2 stops37h 40m
Deal found 8/18![United Airlines logo]()
$750
This Delta deal was found by Cheapflights users on 8/19. 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.
Tue 11/177:50 am -
2 stops19h 10m
Sat 11/285:00 am -
2 stops21h 13m
Deal found 8/19![Delta logo]()
$830
Last-minute flights from Louisville to LisbonDiscover last-minute flight deals from Louisville to Lisbon. Data last updated August 20, 2026 and is based on user searches.
Discover last-minute flight deals from Louisville to Lisbon. Data last updated August 20, 2026 and is based on user searches.
This Cheapflightsfares deal was found by Cheapflights users on 8/17. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1010:29 am -
2 stops30h 06m
Thu 9/1711:25 am -
2 stops27h 18m
Deal found 8/17![Aer Lingus logo]()
$1,135
This Delta deal was found by Cheapflights users on 8/19. 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 9/195:30 pm -
2 stops19h 20m
Tue 9/295:35 am -
2 stops20h 41m
Deal found 8/19![Delta logo]()
$867
This Justfly.com deal was found by Cheapflights users on 8/18. 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.
Sat 9/191:49 pm -
2 stops38h 31m
Tue 9/2911:25 am -
2 stops38h 06m
Deal found 8/18![Air Canada logo]()
$875
This United Airlines deal was found by Cheapflights users on 8/16. 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.
Sat 9/191:56 pm -
2 stops37h 24m
Tue 9/296:45 am -
2 stops22h 14m
Deal found 8/16![United Airlines logo]()
$924
This Gurufare deal was found by Cheapflights users on 8/19. 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.
Sat 9/197:30 am -
1 stop20h 35m
Tue 9/297:10 am -
2 stops20h 23m
Deal found 8/19![British Airways logo]()
$1,081
This Air Canada deal was found by Cheapflights users on 8/18. 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.
Sat 9/1911:00 am -
3 stops18h 50m
Tue 9/2911:25 am -
2 stops13h 48m
Deal found 8/18![Multiple Airlines logo]()
$1,175
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 August 20, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $726 (American Airlines) |
Popular in | June |
Cheapest in | December |
Average price | $984 |
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 7,457,451 searches. Data last updated August 20, 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
Cheapest round-trip
LouisvilleLisbon
SDF Louisville Intl - LIS Lisbon Humberto Delgado
SDFLIS
Louisville Intl
Sun 12/6
6:30 am-8:10 am
1 stop20h 40m
Lisbon Humberto Delgado
Wed 12/9
11:20 am-8:00 pm
2 stops37h 40m
$750
Quickest round-trip
LouisvilleLisbon
SDF Louisville Intl - LIS Lisbon Humberto Delgado
SDFLIS
Louisville Intl
Tue 11/17
7:50 am-8:00 am
2 stops19h 10m
Lisbon Humberto Delgado
Sat 11/28
5:00 am-9:13 pm
2 stops21h 13m
$830
Sorted by cheapest first
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 August.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- 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.
SDF-LIS
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 $596). Flying from Louisville to Lisbon in June is currently the most expensive (average of $1,334). 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?
Airfare is below average for this route at the moment.
Louisville to Lisbon flights typically cost between $912 and $1,174 in February.The cheapest round-trip price found within the last 5 days was $726 on American Airlines (Feb 16-Feb 24).
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 August 20, 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.
Overall
7.8
Boarding
8.1
Entertainment
7.8
Food
7.2
Comfort
7.8
Crew
8.5
Reviews
1 / 20
10.0
ExcellentSalvador,Aug 2026
PHL - DTW
Overall
7.8
Boarding
8.1
Entertainment
7.8
Food
7.2
Comfort
7.8
Crew
8.5
Reviews
1 / 20
10.0
ExcellentSalvador,Aug 2026
PHL - DTW
Overall
7.8
Boarding
8.1
Entertainment
7.8
Food
7.2
Comfort
7.8
Crew
8.5
Reviews
1 / 20
10.0
ExcellentSalvador,Aug 2026
PHL - DTW
Overall
7.8
Boarding
8.1
Entertainment
7.8
Food
7.2
Comfort
7.8
Crew
8.5
Reviews
1 / 20
10.0
ExcellentSalvador,Aug 2026
PHL - DTW
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.
Traveling to a place near Lisbon?
Book flights to Lisbon if you plan to visit one of these locationsFátima
Ericeira
Oeiras
Torres Vedras
Beja
Nazaré
Colares
Sesimbra
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Other flights to Lisbon
Explore flights to Lisbon departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on August 20, 2026.
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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 7,457,451 searches. Data last updated August 20, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$543 | Average$958 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$587 | Average$1,187 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$606 | Average$957 | FlexibilityNo cancel fee | On-time71% |