Which layover airport offers the lowest fares from Louisville to Lisbon?

Flights via Philadelphia (PHL) offer the lowest average round-trip price of $937.

Which layover airport has the shortest travel time from Louisville to Lisbon?

Flights connecting via Newark (EWR) have the shortest average one-way travel time: 13h 12m.

Which airport is the most popular layover for flights between Louisville and Lisbon?

Washington, D.C. (IAD) was the most common stop: 56% of momondo users choosing 1-stop flights on this route connected there.

What airlines fly to Lisbon?

United Airlines, American Airlines and British Airways are the top three most popular airlines that fly to Lisbon from Louisville according to our data. United Airlines is the first choice among our users, with 44% of people opting to fly with this airline when traveling to Lisbon. Keep in mind that there are 5 different airlines that fly to Lisbon on a routine basis, so you have a few additional options to choose from.

Which layover airport has the shortest connection time from Louisville to Lisbon?

Newark (EWR) has the shortest average layover time for this route: 3h 29m.

What is the cheapest airline that flies from Louisville Intl to Lisbon Humberto Delgado?

Lufthansa is the most popular carrier operating from Louisville Intl to Lisbon Humberto Delgado

When did momondo last update prices for flights from Louisville Intl Airport to Lisbon Humberto Delgado Airport?

Prices for flights from Louisville Intl Airport to Lisbon Humberto Delgado Airport refresh daily.

How many operators does momondo search for flights from Louisville Intl Airport to Lisbon Humberto Delgado Airport?

As of November 2025, there are 2 operators available to choose from for flights from Louisville Intl Airport to Lisbon Humberto Delgado Airport.

How old do you have to be to fly from Louisville Intl Airport to Lisbon Humberto Delgado Airport?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Louisville Intl Airport to Lisbon Humberto Delgado Airport.

What documentation or ID do you need to fly to Lisbon Humberto Delgado Airport?

The required travel and health documents for your Lisbon Humberto Delgado Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Lisbon Humberto Delgado Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$446 Cheap Flights from Louisville to Lisbon in 2025/26

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10:35 am - 9:55 pmSDF-LIS

30h 20m2 stops

7:05 am - 11:19 pmLIS-SDF

21h 14m2 stops

$482British Airways

Find Deal

Thu, Jan 8 - Fri, Jan 16

11:10 am - 9:20 amSDF-LIS

17h 10m2 stops

5:00 am - 11:23 pmLIS-SDF

23h 23m2 stops

$483Multiple Airlines

Find Deal

Thu, Jan 8 - Fri, Jan 16

8:29 am - 9:20 amSDF-LIS

19h 51m2 stops

11:20 am - 7:43 pmLIS-SDF

37h 23m2 stops

$489United Airlines

Find Deal

Thu, Jan 15 - Mon, Jan 19

6:12 pm - 9:20 amSDF-LIS

34h 08m2 stops

10:50 am - 8:28 pmLIS-SDF

38h 38m2 stops

$494Air Canada

Find Deal

Mon, Feb 2 - Sun, Feb 8

11:10 am - 9:20 amSDF-LIS

17h 10m2 stops

10:15 am - 7:31 pmLIS-SDF

14h 16m1 stop

$496Multiple Airlines

Find Deal

Thu, Jan 8 - Fri, Jan 16

12:00 pm - 11:50 amSDF-LIS

18h 50m2 stops

7:45 am - 9:23 pmLIS-SDF

18h 38m2 stops

$500Multiple Airlines

Find Deal

Thu, Feb 12 - Sun, Feb 15

1:15 pm - 12:05 pmSDF-LIS

17h 50m2 stops

11:05 am - 9:16 pmLIS-SDF

15h 11m1 stop

$501American Airlines

Find Deal

Mon, Feb 2 - Sun, Feb 8

11:10 am - 9:20 amSDF-LIS

17h 10m2 stops

10:15 am - 7:31 pmLIS-SDF

14h 16m1 stop

$505United Airlines

Find Deal

Thu, Jan 8 - Fri, Jan 16

12:00 pm - 5:55 pmSDF-LIS

24h 55m2 stops

10:40 am - 9:25 pmLIS-SDF

38h 45m2 stops

$512British Airways

Find Deal

Sat, Mar 7 - Sun, Mar 15

11:10 am - 9:20 amSDF-LIS

17h 10m3 stops

11:20 am - 10:30 pmLIS-SDF

16h 10m2 stops

$518Multiple Airlines

Find Deal

Thu, Jan 15 - Mon, Jan 19

United Airlines flights from Louisville to Lisbon

Our best United Airlines deals on Louisville to Lisbon flight tickets

United Airlines

Jan 15

SDF8:29 amLouisville Intl

19h 51m

2 stops

LIS9:20 amLisbon Humberto Delgado

Jan 19

LIS11:20 amLisbon Humberto Delgado

37h 23m

2 stops

SDF7:43 pmLouisville Intl

$489

Find similar

United Airlines

Jan 8

SDF11:10 amLouisville Intl

17h 10m

2 stops

LIS9:20 amLisbon Humberto Delgado

Jan 16

LIS10:15 amLisbon Humberto Delgado

14h 16m

1 stop

SDF7:31 pmLouisville Intl

$505

Find similar

United Airlines

Mar 8

SDF9:55 amLouisville Intl

20h 20m

1 stop

LIS10:15 amLisbon Humberto Delgado

Mar 15

LIS10:50 amLisbon Humberto Delgado

39h 23m

2 stops

SDF10:13 pmLouisville Intl

$682

Find similar

Lufthansa flights from Louisville to Lisbon

Our best Lufthansa deals on Louisville to Lisbon flight tickets

Lufthansa

Jan 8

SDF1:50 pmLouisville Intl

13h 20m

1 stop

LIS8:10 amLisbon Humberto Delgado

Jan 16

LIS10:15 amLisbon Humberto Delgado

14h 16m

1 stop

SDF7:31 pmLouisville Intl

$590

Find similar

Lufthansa

Feb 12

SDF2:35 pmLouisville Intl

16h 00m

2 stops

LIS11:35 amLisbon Humberto Delgado

Feb 15

LIS5:00 amLisbon Humberto Delgado

19h 42m

2 stops

SDF7:42 pmLouisville Intl

$591

Find similar

Lufthansa

Feb 6

SDF1:50 pmLouisville Intl

13h 20m

1 stop

LIS8:10 amLisbon Humberto Delgado

Feb 10

LIS10:15 amLisbon Humberto Delgado

14h 16m

1 stop

SDF7:31 pmLouisville Intl

$593

Find similar

Fly from

Fly to

Route

Depart

Return

Price

LouisvilleLisbon

SDF - LIS

SDFLIS

Louisville Intl

Thu 1/8

10:35 am-9:55 pm

2 stops30h 20m

Lisbon Humberto Delgado

Fri 1/16

7:05 am-11:19 pm

2 stops21h 14m

$482

LouisvilleLisbon

SDF - LIS

SDFLIS

Louisville Intl

Thu 1/8

11:10 am-9:20 am

2 stops17h 10m

Lisbon Humberto Delgado

Fri 1/16

5:00 am-11:23 pm

2 stops23h 23m

$483

LouisvilleLisbon

SDF - LIS

SDFLIS

Louisville Intl

Thu 1/15

8:29 am-9:20 am

2 stops19h 51m

Lisbon Humberto Delgado

Mon 1/19

11:20 am-7:43 pm

2 stops37h 23m

$489

LouisvilleLisbon

SDF - LIS

SDFLIS

Louisville Intl

Mon 2/2

6:12 pm-9:20 am

2 stops34h 08m

Lisbon Humberto Delgado

Sun 2/8

10:50 am-8:28 pm

2 stops38h 38m

$494

LouisvilleLisbon

SDF - LIS

SDFLIS

Louisville Intl

Thu 1/8

11:10 am-9:20 am

2 stops17h 10m

Lisbon Humberto Delgado

Fri 1/16

10:15 am-7:31 pm

1 stop14h 16m

$496

LouisvilleLisbon

SDF - LIS

SDFLIS

Louisville Intl

Thu 2/12

12:00 pm-11:50 am

2 stops18h 50m

Lisbon Humberto Delgado

Sun 2/15

7:45 am-9:23 pm

2 stops18h 38m

$500

LouisvilleLisbon

SDF - LIS

SDFLIS

Louisville Intl

Mon 2/2

1:15 pm-12:05 pm

2 stops17h 50m

Lisbon Humberto Delgado

Sun 2/8

11:05 am-9:16 pm

1 stop15h 11m

$501

LouisvilleLisbon

SDF - LIS

SDFLIS

Louisville Intl

Thu 1/8

11:10 am-9:20 am

2 stops17h 10m

Lisbon Humberto Delgado

Fri 1/16

10:15 am-7:31 pm

1 stop14h 16m

$505

LouisvilleLisbon

SDF - LIS

SDFLIS

Louisville Intl

Sat 3/7

12:00 pm-5:55 pm

2 stops24h 55m

Lisbon Humberto Delgado

Sun 3/15

10:40 am-9:25 pm

2 stops38h 45m

$512

LouisvilleLisbon

SDF - LIS

SDFLIS

Louisville Intl

Thu 1/15

11:10 am-9:20 am

3 stops17h 10m

Lisbon Humberto Delgado

Mon 1/19

11:20 am-10:30 pm

2 stops16h 10m

$518

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 11 resultsSorted by cheapest first

How to get the cheapest flight ticket from Louisville to Lisbon

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Layovers

What is the cheapest month to fly to Lisbon?

In general, January is the cheapest month to fly from Louisville to Lisbon. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $666. If you are unable to visit Lisbon during the month of January, then departing from Louisville during the month March is also very affordable. Most momondo users find prices during this month for around $703.

What is the cheapest day to depart on your flight to Lisbon?

Our data shows that Wednesday is the least expensive day to fly to Lisbon. Tickets to fly out on this day can be as low as $958. When flying out on a Thursday, the most expensive travel day of the week, you can expect to see flight prices from Louisville to Lisbon for around $1,157.

What is the cheapest time of day to depart on your flight to Lisbon?

The cheapest time of day to fly to Lisbon is in the evening when flights can be purchased for as low as $775. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $1,237 on average. Flights to Lisbon from Louisville at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.

Can stopping save me money on Louisville to Lisbon flights?

You could potentially save up to 52% on your flight if you consider stops on a Louisville to Lisbon flight.

When to book flights from Louisville to Lisbon

Are you open to changing your travel dates? Check out the ideal times to fly from Louisville to Lisbon according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Louisville to Lisbon (SDF to LIS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Louisville to Lisbon

Fastest flight time	19h 51m
Direct flights	None

The fastest flight from Louisville to Lisbon takes 19h 51m

There are no direct flights from Louisville to Lisbon. There are no popular flight routes from Louisville to Lisbon.

Search flight deals

How far is Louisville Intl to Lisbon Humberto Delgado by plane?
The straight-line distance from Louisville Intl to Lisbon Humberto Delgado is 4008.7 mi. Flights usually cover this in 12h 16m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Louisville Intl Airport to Lisbon Humberto Delgado Airport?
Prices for flights from Louisville Intl Airport to Lisbon Humberto Delgado Airport refresh daily.
How many operators does momondo search for flights from Louisville Intl Airport to Lisbon Humberto Delgado Airport?
As of November 2025, there are 2 operators available to choose from for flights from Louisville Intl Airport to Lisbon Humberto Delgado Airport.
How old do you have to be to fly from Louisville Intl Airport to Lisbon Humberto Delgado Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Louisville Intl Airport to Lisbon Humberto Delgado Airport.
What documentation or ID do you need to fly to Lisbon Humberto Delgado Airport?
The required travel and health documents for your Lisbon Humberto Delgado Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Lisbon Humberto Delgado Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular airline from Louisville to Lisbon?
momondo data reveals that the most frequently booked airline on the route from Louisville to Lisbon is United Airlines, representing 59% of all bookings. The subsequent popular airline is American Airlines at 41%.

Best airlines flying from Louisville to Lisbon

Compare and see reviews for airlines that fly from Louisville to Lisbon with momondo

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $603	Free Cancellation	Rating 7.4 9,050 reviews		Search United Airlines flights
American Airlines	PriceFrom $616	Free Cancellation	Rating 7.2 11,038 reviews		Search American Airlines flights

Sintra

Ericeira

Fátima

Nazaré

Oeiras

Setúbal

Peniche

Estoril

Leiria

Sesimbra

Tomar

Almada

Evora

Zambujeira do Mar

Figueira da Foz

Batalha

Torres Vedras

Óbidos

Sines

Comporta

Why use momondo?

Why should I use momondo to find a flight deal from Louisville to Lisbon?

It is quick and easy to find Louisville to Lisbon flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Lisbon that suits you.

Can I find flights from Louisville to Lisbon with flexible booking policies on momondo?

All flight searches from Louisville to Lisbon on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Louisville to Lisbon?

Once you have performed a search for Louisville to Lisbon flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Louisville to Lisbon right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Louisville to Lisbon flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your Lisbon trip

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Cheap flights from Louisville to Lisbon from $446

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Louisville to Lisbon departing on 12/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Filter for what you want

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Our best United Airlines deals on Louisville to Lisbon flight tickets

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How to get the cheapest flight ticket from Louisville to Lisbon

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Lisbon?

What is the cheapest day to depart on your flight to Lisbon?

Our data shows that Wednesday is the least expensive day to fly to Lisbon. Tickets to fly out on this day can be as low as $958. When flying out on a Thursday, the most expensive travel day of the week, you can expect to see flight prices from Louisville to Lisbon for around $1,157.

What is the cheapest time of day to depart on your flight to Lisbon?

Can stopping save me money on Louisville to Lisbon flights?

You could potentially save up to 52% on your flight if you consider stops on a Louisville to Lisbon flight.

What is the cheapest airline that flies from Louisville Intl to Lisbon Humberto Delgado?

Lufthansa is the most popular carrier operating from Louisville Intl to Lisbon Humberto Delgado

What airlines fly to Lisbon?

Which airport is the most popular layover for flights between Louisville and Lisbon?

Washington, D.C. (IAD) was the most common stop: 56% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport offers the lowest fares from Louisville to Lisbon?

Flights via Philadelphia (PHL) offer the lowest average round-trip price of $937.

Which layover airport has the shortest travel time from Louisville to Lisbon?

Flights connecting via Newark (EWR) have the shortest average one-way travel time: 13h 12m.

Which layover airport has the shortest connection time from Louisville to Lisbon?

Newark (EWR) has the shortest average layover time for this route: 3h 29m.

When to book flights from Louisville to Lisbon

Cheap Louisville to Lisbon (SDF to LIS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Louisville to Lisbon

Fastest flight time

Direct flights

How far is Louisville Intl to Lisbon Humberto Delgado by plane?

When did momondo last update prices for flights from Louisville Intl Airport to Lisbon Humberto Delgado Airport?

How many operators does momondo search for flights from Louisville Intl Airport to Lisbon Humberto Delgado Airport?

How old do you have to be to fly from Louisville Intl Airport to Lisbon Humberto Delgado Airport?

What documentation or ID do you need to fly to Lisbon Humberto Delgado Airport?

What is the most popular airline from Louisville to Lisbon?

Best airlines flying from Louisville to Lisbon

Compare and see reviews for airlines that fly from Louisville to Lisbon with momondo

Traveling to a place near Lisbon?

Why use momondo?

Why should I use momondo to find a flight deal from Louisville to Lisbon?

Can I find flights from Louisville to Lisbon with flexible booking policies on momondo?

How can momondo help me find flights from Louisville to Lisbon?

I’m not ready to book a flight from Louisville to Lisbon right now. Can momondo alert me if prices change?

An easier way to manage your Lisbon trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Portugal

Airports servicing Portugal