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 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.

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.

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.

$496 Cheap Flights from Louisville to Lisbon in 2025/26

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3:39 pm - 8:00 amSDF-LIS

11h 21m1 stop

5:00 am - 5:03 pmLIS-SDF

17h 03m2 stops

$496Delta

Find Deal

Fri, Feb 20 - Tue, Feb 24

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

3:39 pm - 2:35 pmSDF-LIS

17h 56m2 stops

5:00 am - 5:03 pmLIS-SDF

17h 03m2 stops

$506KLM

Find Deal

Wed, Feb 18 - Tue, Feb 24

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

2:59 pm - 8:55 amSDF-LIS

36h 56m2 stops

4:55 pm - 11:56 pmLIS-SDF

36h 01m2 stops

$538Scandinavian Airlines

Find Deal

Fri, Feb 20 - Sun, Feb 22

2:59 pm - 9:30 pmSDF-LIS

25h 31m2 stops

4:55 pm - 11:56 pmLIS-SDF

36h 01m2 stops

$568Scandinavian Airlines

Find Deal

Mon, Feb 16 - Sun, Feb 22

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

3:35 pm - 9:15 amSDF-LIS

12h 40m1 stop

11:10 am - 9:17 pmLIS-SDF

15h 07m1 stop

$581American Airlines

Find Deal

Tue, Feb 17 - Tue, Feb 24

2:20 pm - 10:30 amSDF-LIS

15h 10m1 stop

11:25 am - 10:30 pmLIS-SDF

16h 05m2 stops

$593United Airlines

Find Deal

Tue, Apr 21 - Tue, Apr 28

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

Delta flights from Louisville to Lisbon

Our best Delta deals on Louisville to Lisbon flight tickets

Delta

Feb 20

SDF3:39 pmLouisville Intl

11h 21m

1 stop

LIS8:00 amLisbon Humberto Delgado

Feb 24

LIS5:00 amLisbon Humberto Delgado

17h 03m

2 stops

SDF5:03 pmLouisville Intl

$496

Find similar

Delta

Feb 20

SDF8:55 amLouisville Intl

19h 05m

2 stops

LIS9:00 amLisbon Humberto Delgado

Feb 28

LIS5:00 amLisbon Humberto Delgado

23h 07m

2 stops

SDF11:07 pmLouisville Intl

$501

Find similar

Delta

Feb 19

SDF3:39 pmLouisville Intl

11h 21m

1 stop

LIS8:00 amLisbon Humberto Delgado

Feb 27

LIS5:30 amLisbon Humberto Delgado

19h 55m

2 stops

SDF8:25 pmLouisville Intl

$502

Find similar

KLM flights from Louisville to Lisbon

Our best KLM deals on Louisville to Lisbon flight tickets

KLM

Feb 18

SDF3:39 pmLouisville Intl

17h 56m

2 stops

LIS2:35 pmLisbon Humberto Delgado

Feb 24

LIS5:00 amLisbon Humberto Delgado

17h 03m

2 stops

SDF5:03 pmLouisville Intl

$506

Find similar

KLM

Mar 9

SDF4:30 pmLouisville Intl

11h 30m

1 stop

LIS8:00 amLisbon Humberto Delgado

Mar 16

LIS10:00 amLisbon Humberto Delgado

17h 56m

2 stops

SDF11:56 pmLouisville Intl

$639

Find similar

KLM

Apr 13

SDF4:30 pmLouisville Intl

13h 15m

1 stop

LIS10:45 amLisbon Humberto Delgado

Apr 20

LIS11:40 amLisbon Humberto Delgado

17h 17m

2 stops

SDF11:57 pmLouisville Intl

$743

Find similar

Fly from

Fly to

Route

Depart

Return

Price

LouisvilleLisbon

SDF - LIS

SDFLIS

Louisville Intl

Fri 2/20

3:39 pm-8:00 am

1 stop11h 21m

Lisbon Humberto Delgado

Tue 2/24

5:00 am-5:03 pm

2 stops17h 03m

$496

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

Wed 2/18

3:39 pm-2:35 pm

2 stops17h 56m

Lisbon Humberto Delgado

Tue 2/24

5:00 am-5:03 pm

2 stops17h 03m

$506

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

Fri 2/20

2:59 pm-8:55 am

2 stops36h 56m

Lisbon Humberto Delgado

Sun 2/22

4:55 pm-11:56 pm

2 stops36h 01m

$538

LouisvilleLisbon

SDF - LIS

SDFLIS

Louisville Intl

Mon 2/16

2:59 pm-9:30 pm

2 stops25h 31m

Lisbon Humberto Delgado

Sun 2/22

4:55 pm-11:56 pm

2 stops36h 01m

$568

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

Tue 2/17

3:35 pm-9:15 am

1 stop12h 40m

Lisbon Humberto Delgado

Tue 2/24

11:10 am-9:17 pm

1 stop15h 07m

$581

LouisvilleLisbon

SDF - LIS

SDFLIS

Louisville Intl

Tue 4/21

2:20 pm-10:30 am

1 stop15h 10m

Lisbon Humberto Delgado

Tue 4/28

11:25 am-10:30 pm

2 stops16h 05m

$593

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

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 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.

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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 10h 39m, 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 9,002 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

Batalha

Figueira da Foz

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.

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Cheap flights from Louisville to Lisbon from $496

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 2/20. 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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Find the cheapest flights from Louisville to Lisbon

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Delta flights from Louisville to Lisbon

Our best Delta deals on Louisville to Lisbon flight tickets

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Our best KLM 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 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