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.

What airlines fly to Lisbon?

United Airlines, British Airways and American Airlines 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 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 is the cheapest airline that flies from Louisville Intl to Lisbon Humberto Delgado?

Air Canada, American Airlines, and United Airlines are the most popular carriers operating from Louisville Intl to Lisbon Humberto Delgado

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

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

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 December 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.

$440 Cheap Flights from Louisville to Lisbon in 2025/26

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2:10 pm - 8:10 am

SDF

LIS

37h 00m2 stops

5:00 am - 8:28 pm

LIS

SDF

20h 28m2 stops

$486United Airlines

Sat, Jan 10 - Fri, Jan 23

10:10 am - 8:00 am

SDF

LIS

16h 50m2 stops

5:00 am - 6:11 pm

LIS

SDF

18h 11m2 stops

$489KLM

Sun, Jan 11 - Sat, Jan 24

6:28 am - 9:20 am

SDF

LIS

21h 52m2 stops

11:20 am - 1:24 pm

LIS

SDF

31h 04m2 stops

$493Air Canada

Thu, Jan 15 - Mon, Jan 19

1:40 pm - 8:10 am

SDF

LIS

13h 30m1 stop

7:45 am - 11:23 pm

LIS

SDF

20h 38m2 stops

$496Lufthansa

Sun, Jan 11 - Sat, Jan 24

2:05 pm - 9:20 am

SDF

LIS

38h 15m2 stops

11:20 am - 1:28 pm

LIS

SDF

31h 08m2 stops

$497Air Canada

Sat, Jan 10 - Fri, Jan 23

2:10 pm - 8:10 am

SDF

LIS

37h 00m2 stops

10:15 am - 11:23 pm

LIS

SDF

18h 08m1 stop

$498United Airlines

Sat, Jan 10 - Fri, Jan 23

2:05 pm - 8:10 am

SDF

LIS

13h 05m2 stops

5:00 am - 10:30 pm

LIS

SDF

22h 30m2 stops

$499United Airlines

Fri, Jan 23 - Tue, Jan 27

8:29 am - 8:10 am

SDF

LIS

18h 41m2 stops

6:10 am - 10:30 pm

LIS

SDF

21h 20m2 stops

$500United Airlines

Fri, Jan 30 - Fri, Feb 6

3:33 pm - 12:05 pm

SDF

LIS

15h 32m2 stops

11:05 am - 9:16 pm

LIS

SDF

15h 11m1 stop

$503American Airlines

Fri, Jan 30 - Fri, Feb 6

8:29 am - 8:10 am

SDF

LIS

18h 41m2 stops

10:15 am - 7:31 pm

LIS

SDF

14h 16m1 stop

$511United Airlines

Fri, Jan 23 - Tue, Jan 27

United Airlines flights from Louisville to Lisbon

Our best United Airlines deals on Louisville to Lisbon flight tickets

United Airlines

Jan 10

SDF2:10 pmLouisville Intl

37h 00m

2 stops

LIS8:10 amLisbon Humberto Delgado

Jan 23

LIS5:00 amLisbon Humberto Delgado

20h 28m

2 stops

SDF8:28 pmLouisville Intl

$486

Find similar

United Airlines

Jan 10

SDF2:10 pmLouisville Intl

37h 00m

2 stops

LIS8:10 amLisbon Humberto Delgado

Jan 23

LIS10:15 amLisbon Humberto Delgado

18h 08m

1 stop

SDF11:23 pmLouisville Intl

$498

Find similar

United Airlines

Jan 23

SDF2:05 pmLouisville Intl

13h 05m

2 stops

LIS8:10 amLisbon Humberto Delgado

Jan 27

LIS5:00 amLisbon Humberto Delgado

22h 30m

2 stops

SDF10:30 pmLouisville Intl

$499

Find similar

British Airways flights from Louisville to Lisbon

Our best British Airways deals on Louisville to Lisbon flight tickets

British Airways

Apr 3

SDF1:30 pmLouisville Intl

23h 35m

2 stops

LIS6:05 pmLisbon Humberto Delgado

Apr 11

LIS7:10 amLisbon Humberto Delgado

18h 45m

2 stops

SDF8:55 pmLouisville Intl

$970

Find similar

British Airways

Dec 24

SDF3:44 pmLouisville Intl

25h 06m

2 stops

LIS9:50 pmLisbon Humberto Delgado

Jan 3

LIS7:00 amLisbon Humberto Delgado

19h 54m

2 stops

SDF9:54 pmLouisville Intl

$2,461

Find similar

British Airways

Dec 24

SDF3:44 pmLouisville Intl

25h 06m

2 stops

LIS9:50 pmLisbon Humberto Delgado

Jan 3

LIS7:00 amLisbon Humberto Delgado

19h 54m

2 stops

SDF9:54 pmLouisville Intl

$2,523

Find similar

Fly from

Fly to

Route

Depart

Return

Price

LouisvilleLisbon

SDF - LIS

SDFLIS

Louisville Intl

Sat 1/10

2:10 pm-8:10 am

2 stops37h 00m

Lisbon Humberto Delgado

Fri 1/23

5:00 am-8:28 pm

2 stops20h 28m

$486

LouisvilleLisbon

SDF - LIS

SDFLIS

Louisville Intl

Sun 1/11

10:10 am-8:00 am

2 stops16h 50m

Lisbon Humberto Delgado

Sat 1/24

5:00 am-6:11 pm

2 stops18h 11m

$489

LouisvilleLisbon

SDF - LIS

SDFLIS

Louisville Intl

Thu 1/15

6:28 am-9:20 am

2 stops21h 52m

Lisbon Humberto Delgado

Mon 1/19

11:20 am-1:24 pm

2 stops31h 04m

$493

LouisvilleLisbon

SDF - LIS

SDFLIS

Louisville Intl

Sun 1/11

1:40 pm-8:10 am

1 stop13h 30m

Lisbon Humberto Delgado

Sat 1/24

7:45 am-11:23 pm

2 stops20h 38m

$496

LouisvilleLisbon

SDF - LIS

SDFLIS

Louisville Intl

Sat 1/10

2:05 pm-9:20 am

2 stops38h 15m

Lisbon Humberto Delgado

Fri 1/23

11:20 am-1:28 pm

2 stops31h 08m

$497

LouisvilleLisbon

SDF - LIS

SDFLIS

Louisville Intl

Sat 1/10

2:10 pm-8:10 am

2 stops37h 00m

Lisbon Humberto Delgado

Fri 1/23

10:15 am-11:23 pm

1 stop18h 08m

$498

LouisvilleLisbon

SDF - LIS

SDFLIS

Louisville Intl

Fri 1/23

2:05 pm-8:10 am

2 stops13h 05m

Lisbon Humberto Delgado

Tue 1/27

5:00 am-10:30 pm

2 stops22h 30m

$499

LouisvilleLisbon

SDF - LIS

SDFLIS

Louisville Intl

Fri 1/30

8:29 am-8:10 am

2 stops18h 41m

Lisbon Humberto Delgado

Fri 2/6

6:10 am-10:30 pm

2 stops21h 20m

$500

LouisvilleLisbon

SDF - LIS

SDFLIS

Louisville Intl

Fri 1/30

3:33 pm-12:05 pm

2 stops15h 32m

Lisbon Humberto Delgado

Fri 2/6

11:05 am-9:16 pm

1 stop15h 11m

$503

LouisvilleLisbon

SDF - LIS

SDFLIS

Louisville Intl

Fri 1/23

8:29 am-8:10 am

2 stops18h 41m

Lisbon Humberto Delgado

Tue 1/27

10:15 am-7:31 pm

1 stop14h 16m

$511

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 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 $618. If you are unable to visit Lisbon during the month of January, then departing from Louisville during the month December is also very affordable. Most momondo users find prices during this month for around $641.

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	13h 05m
Direct flights	None

The fastest flight from Louisville to Lisbon takes 13h 05m

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 13h 05m, 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 December 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 $596	Free Cancellation	Rating 7.4 9,092 reviews		Search United Airlines flights
American Airlines	PriceFrom $616	Free Cancellation	Rating 7.2 11,049 reviews		Search American Airlines flights

Sintra

Ericeira

Fátima

Nazaré

Oeiras

Setúbal

Peniche

Estoril

Leiria

Sesimbra

Tomar

Almada

Evora

Figueira da Foz

Zambujeira do Mar

Batalha

Comporta

Torres Vedras

Sines

Óbidos

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 $440

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 6/2. 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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Find the cheapest flights from Louisville to Lisbon

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United Airlines flights from Louisville to Lisbon

Our best United 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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See travel insights to Lisbon from

How to get the cheapest flight ticket from Louisville to Lisbon

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?

Air Canada, American Airlines, and United Airlines 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: 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