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

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

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 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 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 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 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.

$489 Cheap Flights from Louisville to Lisbon in 2025/26

Q: What is the typical price of a round-trip flight between Louisville and Lisbon?

Prices are currently low for flights on this route. Typical prices usually range from $727 to $1,043. The lowest price recently found on this route was $489.

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8:29 am - 9:20 amSDF-LIS

19h 51m2 stops

11:20 am - 7:31 pmLIS-SDF

37h 11m2 stops

$489United Airlines

Find Deal

Thu, Jan 15 - Mon, Jan 19

4:31 pm - 8:00 amSDF-LIS

10h 29m1 stop

11:15 am - 9:50 amLIS-SDF

27h 35m2 stops

$497Delta

Find Deal

Thu, Dec 4 - Wed, Dec 17

6:21 pm - 3:10 pmSDF-LIS

15h 49m2 stops

11:25 am - 11:50 pmLIS-SDF

17h 25m2 stops

$500Multiple Airlines

Find Deal

Thu, Jan 15 - Mon, Jan 19

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

1:15 pm - 7:40 amSDF-LIS

13h 25m2 stops

10:55 am - 9:16 pmLIS-SDF

15h 21m1 stop

$519American Airlines

Find Deal

Thu, Jan 15 - Thu, Jan 22

5:56 pm - 11:30 pmSDF-LIS

25h 34m2 stops

5:00 am - 11:55 pmLIS-SDF

22h 55m2 stops

$540Lufthansa

Find Deal

Mon, Mar 9 - Mon, Mar 16

1:55 pm - 9:20 amSDF-LIS

14h 25m2 stops

7:25 am - 10:09 pmLIS-SDF

19h 44m2 stops

$579United Airlines

Find Deal

Tue, Apr 21 - Wed, Apr 29

11:16 am - 9:05 amSDF-LIS

16h 49m1 stop

10:55 am - 9:16 pmLIS-SDF

15h 21m1 stop

$631American Airlines

Find Deal

Thu, Jan 15 - Thu, Jan 22

4:30 pm - 8:00 amSDF-LIS

11h 30m1 stop

10:00 am - 11:56 pmLIS-SDF

17h 56m2 stops

$639KLM

Find Deal

Mon, Mar 9 - Mon, Mar 16

4:30 pm - 10:45 amSDF-LIS

13h 15m1 stop

11:40 am - 11:57 pmLIS-SDF

17h 17m2 stops

$933KLM

Find Deal

Wed, Apr 22 - Tue, Apr 28

American Airlines flights from Louisville to Lisbon

Our best American Airlines deals on Louisville to Lisbon flight tickets

American Airlines

Jan 15

SDF1:15 pmLouisville Intl

13h 25m

2 stops

LIS7:40 amLisbon Humberto Delgado

Jan 22

LIS10:55 amLisbon Humberto Delgado

15h 21m

1 stop

SDF9:16 pmLouisville Intl

$519

Find similar

American Airlines

Jan 15

SDF11:16 amLouisville Intl

16h 49m

1 stop

LIS9:05 amLisbon Humberto Delgado

Jan 22

LIS10:55 amLisbon Humberto Delgado

15h 21m

1 stop

SDF9:16 pmLouisville Intl

$631

Find similar

American Airlines

Jan 15

SDF10:35 amLouisville Intl

16h 05m

2 stops

LIS7:40 amLisbon Humberto Delgado

Jan 19

LIS11:05 amLisbon Humberto Delgado

15h 11m

1 stop

SDF9:16 pmLouisville Intl

$644

Find similar

Lufthansa flights from Louisville to Lisbon

Our best Lufthansa deals on Louisville to Lisbon flight tickets

Lufthansa

Mar 9

SDF5:56 pmLouisville Intl

25h 34m

2 stops

LIS11:30 pmLisbon Humberto Delgado

Mar 16

LIS5:00 amLisbon Humberto Delgado

22h 55m

2 stops

SDF11:55 pmLouisville Intl

$540

Find similar

Lufthansa

Nov 10

SDF2:02 pmLouisville Intl

16h 28m

2 stops

LIS11:30 amLisbon Humberto Delgado

Nov 20

LIS5:00 amLisbon Humberto Delgado

22h 29m

2 stops

SDF10:29 pmLouisville Intl

$644

Find similar

Lufthansa

Nov 12

SDF2:35 pmLouisville Intl

19h 15m

2 stops

LIS2:50 pmLisbon Humberto Delgado

Nov 23

LIS10:15 amLisbon Humberto Delgado

18h 19m

1 stop

SDF11:34 pmLouisville Intl

$704

Find similar

Fly from

Fly to

Route

Depart

Return

Price

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-7:31 pm

2 stops37h 11m

$489

LouisvilleLisbon

SDF - LIS

SDFLIS

Louisville Intl

Thu 12/4

4:31 pm-8:00 am

1 stop10h 29m

Lisbon Humberto Delgado

Wed 12/17

11:15 am-9:50 am

2 stops27h 35m

$497

LouisvilleLisbon

SDF - LIS

SDFLIS

Louisville Intl

Thu 1/15

6:21 pm-3:10 pm

2 stops15h 49m

Lisbon Humberto Delgado

Mon 1/19

11:25 am-11:50 pm

2 stops17h 25m

$500

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

LouisvilleLisbon

SDF - LIS

SDFLIS

Louisville Intl

Thu 1/15

1:15 pm-7:40 am

2 stops13h 25m

Lisbon Humberto Delgado

Thu 1/22

10:55 am-9:16 pm

1 stop15h 21m

$519

LouisvilleLisbon

SDF - LIS

SDFLIS

Louisville Intl

Mon 3/9

5:56 pm-11:30 pm

2 stops25h 34m

Lisbon Humberto Delgado

Mon 3/16

5:00 am-11:55 pm

2 stops22h 55m

$540

LouisvilleLisbon

SDF - LIS

SDFLIS

Louisville Intl

Tue 4/21

1:55 pm-9:20 am

2 stops14h 25m

Lisbon Humberto Delgado

Wed 4/29

7:25 am-10:09 pm

2 stops19h 44m

$579

LouisvilleLisbon

SDF - LIS

SDFLIS

Louisville Intl

Thu 1/15

11:16 am-9:05 am

1 stop16h 49m

Lisbon Humberto Delgado

Thu 1/22

10:55 am-9:16 pm

1 stop15h 21m

$631

LouisvilleLisbon

SDF - LIS

SDFLIS

Louisville Intl

Mon 3/9

4:30 pm-8:00 am

1 stop11h 30m

Lisbon Humberto Delgado

Mon 3/16

10:00 am-11:56 pm

2 stops17h 56m

$639

LouisvilleLisbon

SDF - LIS

SDFLIS

Louisville Intl

Wed 4/22

4:30 pm-10:45 am

1 stop13h 15m

Lisbon Humberto Delgado

Tue 4/28

11:40 am-11:57 pm

2 stops17h 17m

$933

Flights are sorted by cheapest round-trip flights first.

Sorted 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 typical price of a round-trip flight between Louisville and Lisbon?

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 $625. 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 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

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 44m, 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 58% of all bookings. The subsequent popular airline is American Airlines at 42%.

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 9,007 reviews		Search United Airlines flights
American Airlines	PriceFrom $616	Free Cancellation	Rating 7.2 11,040 reviews		Search American Airlines flights

Sintra

Fátima

Ericeira

Nazaré

Oeiras

Setúbal

Peniche

Estoril

Leiria

Sesimbra

Tomar

Almada

Evora

Zambujeira do Mar

Figueira da Foz

Batalha

Óbidos

Torres Vedras

Comporta

Sines

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 $489

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Louisville to Lisbon departing on 1/15. 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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American Airlines flights from Louisville to Lisbon

Our best American 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 typical price of a round-trip flight between Louisville and 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 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

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