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Lisbon

$637+ 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 11/12. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — LIS
May 6 — May 131
Tue 5/6
Tue 5/13
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 May 1, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$670
(Booking.com)

Popular in

June

Cheapest in

January

Average price

$1,312
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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Highest demand for flights based on searches. 19% potential increase in price ($246 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($28 potential savings vs. average RT price).
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Average for round-trip flights in May 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 May 1, 2025.

This United Airlines deal was found by Cheapflights users on 4/30. 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 11/121:55 pmSDF - LIS
1 stop15h 20mUnited Airlines
Sun 11/2311:00 amLIS - SDF
2 stops34h 49mUnited Airlines
Deal found 4/30$637
This Justfly.com deal was found by Cheapflights users on 4/30. 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.
Fri 10/319:00 amSDF - LIS
2 stops20h 20mAir Canada
Fri 11/711:00 amLIS - SDF
2 stops34h 49mAir Canada
Deal found 4/30$644
This Booking.com deal was found by Cheapflights users on 4/30. 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.
Wed 10/1510:55 amSDF - LIS
2 stops17h 25mMultiple Airlines
Fri 10/313:55 pmLIS - SDF
2 stops32h 19mMultiple Airlines
Deal found 4/30$670
This Gurufare deal was found by Cheapflights users on 4/30. 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.
Fri 10/316:00 pmSDF - LIS
2 stops24h 50mLufthansa
Fri 11/710:15 amLIS - SDF
1 stop16h 59mLufthansa
Deal found 4/30$698
This American Airlines deal was found by Cheapflights users on 4/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/123:08 pmSDF - LIS
1 stop12h 57mAmerican Airlines
Tue 8/2611:05 amLIS - SDF
1 stop15h 33mAmerican Airlines
Deal found 4/30$714
This Ovago deal was found by Cheapflights users on 5/1. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/57:25 amSDF - LIS
2 stops33h 10mAer Lingus
Mon 5/1211:25 amLIS - SDF
2 stops38h 38mAer Lingus
Deal found 5/1$1,169
This British Airways deal was found by Cheapflights users on 4/30. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/122:09 pmSDF - LIS
2 stops28h 16mBritish Airways
Mon 8/186:45 pmLIS - SDF
2 stops33h 16mBritish Airways
Deal found 4/30$1,462
This Finnair deal was found by Cheapflights users on 4/30. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/132:09 pmSDF - LIS
2 stops28h 16mFinnair
Sat 8/166:35 amLIS - SDF
2 stops42h 26mFinnair
Deal found 4/30$1,622
This KLM deal was found by Cheapflights users on 4/30. 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.
Wed 6/114:19 pmSDF - LIS
1 stop13h 26mKLM
Fri 8/1510:00 amLIS - SDF
2 stops17h 32mKLM
Deal found 4/30$3,164
This Delta deal was found by Cheapflights users on 4/30. 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.
Thu 6/124:19 pmSDF - LIS
1 stop13h 26mDelta
Sun 8/179:55 amLIS - SDF
2 stops17h 37mDelta
Deal found 4/30$3,404

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 1, 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

Wed 10/15

10:55 am-9:20 am

2 stops17h 25m

Lisbon Humberto Delgado

Fri 10/31

3:55 pm-8:14 pm

2 stops32h 19m

$670

LouisvilleLisbon

SDF - LIS

SDFLIS

Louisville Intl

Wed 10/15

7:00 am-9:20 am

2 stops21h 20m

Lisbon Humberto Delgado

Fri 10/31

11:55 am-10:39 am

1 stop26h 44m

$690

LouisvilleLisbon

SDF - LIS

SDFLIS

Louisville Intl

Tue 8/12

3:08 pm-9:05 am

1 stop12h 57m

Lisbon Humberto Delgado

Tue 8/26

11:05 am-9:38 pm

1 stop15h 33m

$714

LouisvilleLisbon

SDF - LIS

SDFLIS

Louisville Intl

Tue 8/12

11:25 am-9:20 am

3 stops16h 55m

Lisbon Humberto Delgado

Tue 8/26

11:25 am-10:02 am

3 stops27h 37m

$775

LouisvilleLisbon

SDF - LIS

SDFLIS

Louisville Intl

Wed 10/15

12:15 pm-8:20 am

1 stop15h 05m

Lisbon Humberto Delgado

Fri 10/31

10:15 am-10:14 pm

1 stop15h 59m

$1,004

LouisvilleLisbon

SDF - LIS

SDFLIS

Louisville Intl

Thu 6/12

6:42 pm-10:45 am

2 stops35h 03m

Lisbon Humberto Delgado

Sun 8/17

10:15 pm-6:24 pm

2 stops25h 09m

$1,461

LouisvilleLisbon

SDF - LIS

SDFLIS

Louisville Intl

Thu 6/12

2:09 pm-11:25 pm

2 stops28h 16m

Lisbon Humberto Delgado

Mon 8/18

6:45 pm-11:01 pm

2 stops33h 16m

$1,462

LouisvilleLisbon

SDF - LIS

SDFLIS

Louisville Intl

Fri 6/13

2:09 pm-11:25 pm

2 stops28h 16m

Lisbon Humberto Delgado

Sat 8/16

6:35 am-8:01 pm

2 stops42h 26m

$1,622

LouisvilleLisbon

SDF - LIS

SDFLIS

Louisville Intl

Wed 6/11

4:19 pm-10:45 am

1 stop13h 26m

Lisbon Humberto Delgado

Fri 8/15

10:00 am-10:32 pm

2 stops17h 32m

$3,164

LouisvilleLisbon

SDF - LIS

SDFLIS

Louisville Intl

Thu 6/12

4:19 pm-10:45 am

1 stop13h 26m

Lisbon Humberto Delgado

Sun 8/17

9:55 am-10:32 pm

2 stops17h 37m

$3,404

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

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*2 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice 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 AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Louisville-Lisbon flight deals on Cheapflights vs. AranGrant >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 AranGrant the most. AranGrant 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, 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 $1,178). 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 May 1, 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.

Rainfall in Lisbon by month

Plan your trip to Lisbon by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Lisbon ranges from 0.2 - 4.8 inches per month. December is typically the wettest month, when rainfall can reach 4.8 in. July is typically the driest time to visit Lisbon when rainfall is around 0.2 in.

Temperature in Lisbon by month

Plan your trip to Lisbon by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Lisbon, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 51.8 F).

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 1, 2025.
Delta
8.0
Very good
7,934 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.9

Crew

8.5

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,934 reviews
Delta
8.0
Very good
7,934 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.9

Crew

8.5

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
KLM
7.8
Good
1,334 reviews
Delta
8.0
Very good
7,934 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.9

Crew

8.5

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Finnair
7.6
Good
1,275 reviews
Delta
8.0
Very good
7,934 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.9

Crew

8.5

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
8,696 reviews
Delta
8.0
Very good
7,934 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.9

Crew

8.5

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,934 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.9

Crew

8.5

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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.

  • What are the cheapest airlines flying from Louisville to Lisbon round-trip?

    According to our current data, United Airlines ($690), American Airlines ($714), and Air Canada ($775) offers the cheapest pricing from Louisville to Lisbon. Users have found that United Airlines is 33% 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, 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 $1,178). 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 Louisville?

Book flights to Louisville if you plan to visit one of these locations
Sintra
Beja
Nazaré
Costa da Caparica
Evora
Torres Vedras
Oeiras
Sesimbra
Fátima

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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 May 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$600Average$1,110FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$618Average$1,080FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$859Average$1,776FlexibilityNo cancel feeOn-time76%

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