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

Washington, D.C. (IAD) was the most common stop: 58% 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 7 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.

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

Flights via Philadelphia (PHL) offer the lowest average round-trip price of $1,075.

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

Delta, Air France, and Aer Lingus are the most popular carriers operating from Louisville Intl to Lisbon Humberto Delgado

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.

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 August 2025, there are 3 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.

$364 Cheap Flights from Louisville to Lisbon in 2025

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Find the cheapest flights from Louisville to Lisbon

Round-trip

One-way

Last minute

Cheap round-trip flights

7:13 pm - 6:55 pmSDF-LIS

18h 42m2 stops

8:45 pm - 5:25 pmLIS-SDF

25h 40m2 stops

$612British Airways

Find Deal

Mon, Feb 9 - Mon, Feb 16

9:50 am - 8:10 amSDF-LIS

17h 20m2 stops

5:00 am - 4:49 pmLIS-SDF

40h 49m2 stops

$622United Airlines

Find Deal

Mon, Jan 12 - Mon, Feb 16

11:00 am - 8:10 amSDF-LIS

16h 10m2 stops

5:00 am - 7:27 pmLIS-SDF

19h 27m2 stops

$640

Find Deal

Wed, Nov 19 - Thu, Nov 27

2:35 pm - 10:15 amSDF-LIS

14h 40m1 stop

5:00 am - 7:27 pmLIS-SDF

19h 27m2 stops

$641

Find Deal

Wed, Nov 19 - Thu, Nov 27

12:43 pm - 12:10 pmSDF-LIS

18h 27m2 stops

10:40 am - 4:50 pmLIS-SDF

35h 10m2 stops

$643British Airways

Find Deal

Wed, Nov 19 - Thu, Nov 27

5:45 pm - 4:05 pmSDF-LIS

17h 20m2 stops

4:55 pm - 10:30 pmLIS-SDF

34h 35m2 stops

$644Scandinavian Airlines

Find Deal

Sat, Dec 6 - Wed, Dec 10

6:13 pm - 9:05 amSDF-LIS

10h 52m1 stop

10:30 am - 9:40 pmLIS-SDF

16h 10m1 stop

$655American Airlines

Find Deal

Tue, Oct 28 - Sat, Nov 8

3:59 pm - 12:05 pmSDF-LIS

15h 06m2 stops

11:05 am - 8:57 pmLIS-SDF

14h 52m1 stop

$658American Airlines

Find Deal

Mon, Jan 12 - Mon, Feb 16

7:20 pm - 9:50 pmSDF-LIS

21h 30m2 stops

6:10 am - 8:44 pmLIS-SDF

18h 34m2 stops

$736Lufthansa

Find Deal

Wed, Oct 15 - Wed, Oct 29

7:20 pm - 9:50 pmSDF-LIS

21h 30m2 stops

10:15 am - 6:52 pmLIS-SDF

12h 37m1 stop

$822Lufthansa

Find Deal

Wed, Oct 15 - Wed, Oct 29

American Airlines flights from Louisville to Lisbon

Our best American Airlines deals on Louisville to Lisbon flight tickets

American Airlines

Oct 28

SDF6:13 pmLouisville Intl

10h 52m

1 stop

LIS9:05 amLisbon Humberto Delgado

Nov 8

LIS10:30 amLisbon Humberto Delgado

16h 10m

1 stop

SDF9:40 pmLouisville Intl

$655

Find similar

American Airlines

Jan 12

SDF3:59 pmLouisville Intl

15h 06m

2 stops

LIS12:05 pmLisbon Humberto Delgado

Feb 16

LIS11:05 amLisbon Humberto Delgado

14h 52m

1 stop

SDF8:57 pmLouisville Intl

$658

Find similar

American Airlines

Oct 28

SDF11:13 amLouisville Intl

17h 52m

2 stops

LIS9:05 amLisbon Humberto Delgado

Nov 8

LIS10:30 amLisbon Humberto Delgado

16h 10m

1 stop

SDF9:40 pmLouisville Intl

$659

Find similar

British Airways flights from Louisville to Lisbon

Our best British Airways deals on Louisville to Lisbon flight tickets

British Airways

Feb 9

SDF7:13 pmLouisville Intl

18h 42m

2 stops

LIS6:55 pmLisbon Humberto Delgado

Feb 16

LIS8:45 pmLisbon Humberto Delgado

25h 40m

2 stops

SDF5:25 pmLouisville Intl

$612

Find similar

British Airways

Nov 19

SDF12:43 pmLouisville Intl

18h 27m

2 stops

LIS12:10 pmLisbon Humberto Delgado

Nov 27

LIS10:40 amLisbon Humberto Delgado

35h 10m

2 stops

SDF4:50 pmLouisville Intl

$643

Find similar

British Airways

Oct 18

SDF5:53 pmLouisville Intl

24h 17m

2 stops

LIS11:10 pmLisbon Humberto Delgado

Oct 24

LIS8:45 pmLisbon Humberto Delgado

31h 18m

2 stops

SDF11:03 pmLouisville Intl

$804

Find similar

Fly from

Fly to

Route

Depart

Return

Price

LouisvilleLisbon

SDF - LIS

SDFLIS

Louisville Intl

Mon 2/9

7:13 pm-6:55 pm

2 stops18h 42m

Lisbon Humberto Delgado

Mon 2/16

8:45 pm-5:25 pm

2 stops25h 40m

$612

LouisvilleLisbon

SDF - LIS

SDFLIS

Louisville Intl

Mon 1/12

9:50 am-8:10 am

2 stops17h 20m

Lisbon Humberto Delgado

Mon 2/16

5:00 am-4:49 pm

2 stops40h 49m

$622

LouisvilleLisbon

SDF - LIS

SDFLIS

Louisville Intl

Wed 11/19

11:00 am-8:10 am

2 stops16h 10m

Lisbon Humberto Delgado

Thu 11/27

5:00 am-7:27 pm

2 stops19h 27m

$640

LouisvilleLisbon

SDF - LIS

SDFLIS

Louisville Intl

Wed 11/19

2:35 pm-10:15 am

1 stop14h 40m

Lisbon Humberto Delgado

Thu 11/27

5:00 am-7:27 pm

2 stops19h 27m

$641

LouisvilleLisbon

SDF - LIS

SDFLIS

Louisville Intl

Wed 11/19

12:43 pm-12:10 pm

2 stops18h 27m

Lisbon Humberto Delgado

Thu 11/27

10:40 am-4:50 pm

2 stops35h 10m

$643

LouisvilleLisbon

SDF - LIS

SDFLIS

Louisville Intl

Sat 12/6

5:45 pm-4:05 pm

2 stops17h 20m

Lisbon Humberto Delgado

Wed 12/10

4:55 pm-10:30 pm

2 stops34h 35m

$644

LouisvilleLisbon

SDF - LIS

SDFLIS

Louisville Intl

Tue 10/28

6:13 pm-9:05 am

1 stop10h 52m

Lisbon Humberto Delgado

Sat 11/8

10:30 am-9:40 pm

1 stop16h 10m

$655

LouisvilleLisbon

SDF - LIS

SDFLIS

Louisville Intl

Mon 1/12

3:59 pm-12:05 pm

2 stops15h 06m

Lisbon Humberto Delgado

Mon 2/16

11:05 am-8:57 pm

1 stop14h 52m

$658

LouisvilleLisbon

SDF - LIS

SDFLIS

Louisville Intl

Wed 10/15

7:20 pm-9:50 pm

2 stops21h 30m

Lisbon Humberto Delgado

Wed 10/29

6:10 am-8:44 pm

2 stops18h 34m

$736

LouisvilleLisbon

SDF - LIS

SDFLIS

Louisville Intl

Wed 10/15

7:20 pm-9:50 pm

2 stops21h 30m

Lisbon Humberto Delgado

Wed 10/29

10:15 am-6:52 pm

1 stop12h 37m

$822

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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

Prices

Airlines

Layovers

What is the cheapest month to fly to Lisbon?

In general, December 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 $664. If you are unable to visit Lisbon during the month of December, then departing from Louisville during the month January is also very affordable. Most momondo users find prices during this month for around $666.

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 27% 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

Direct flights	None

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 9h 52m, 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 August 2025, there are 3 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 50% of all bookings. The subsequent popular airlines are American Airlines at 41% and Lufthansa at 9%.

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
American Airlines	PriceFrom $600	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
United Airlines	PriceFrom $618	Free Cancellation	Rating 7.4 8,945 reviews	Search United Airlines flights
Lufthansa	PriceFrom $1,014	Free Cancellation	Rating 6.8 7,363 reviews	Search Lufthansa flights

Sintra

Fátima

Nazaré

Ericeira

Setúbal

Oeiras

Almada

Tomar

Peniche

Evora

Estoril

Sesimbra

Leiria

Figueira da Foz

Zambujeira do Mar

Torres Vedras

Batalha

Óbidos

Comporta

Costa da Caparica

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 $364

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 9/9. 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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American Airlines flights from Louisville to Lisbon

Our best American Airlines deals on Louisville to Lisbon flight tickets

British Airways flights from Louisville to Lisbon

Our best British Airways 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 27% 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?

Delta, Air France, and Aer Lingus are the most popular carriers 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: 58% 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 $1,075.

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

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