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 39% of people opting to fly with this airline when traveling to Lisbon. Keep in mind that there are 6 different airlines that fly to Lisbon on a routine basis, so you have a few additional options to choose from.

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

Flights via Philadelphia (PHL) offer the lowest average round-trip price of $908.

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

Newark (EWR) has the shortest average layover time for this route: 4h 06m.

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

United Airlines, Aer Lingus, and Lufthansa are the most popular carriers operating from Louisville Intl to Lisbon Humberto Delgado

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

Philadelphia (PHL) was the most common stop: 75% of momondo users choosing 1-stop flights on this route connected there.

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

Flights connecting via Philadelphia (PHL) have the shortest average one-way travel time: 13h 06m.

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 2026, 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.

$446 Cheap Flights from Louisville to Lisbon in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Louisville to Lisbon

Round-trip

One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

11:21 am - 9:05 amSDF Louisville Intl-LIS Lisbon Humberto Delgado

16h 44m1 stop Philadelphia

6:30 am - 9:16 pmLIS Lisbon Humberto Delgado-SDF Louisville Intl

19h 46m2 stops Madrid Barajas Philadelphia

$719American Airlines

Sun, Jan 31 - Tue, Feb 9

6:14 pm - 2:50 pmSDF Louisville Intl-LIS Lisbon Humberto Delgado

15h 36m2 stops Chicago O'Hare Intl London Heathrow

6:30 am - 11:35 pmLIS Lisbon Humberto Delgado-SDF Louisville Intl

22h 05m2 stops Madrid Barajas Dallas/Fort Worth

$723Multiple Airlines

Sun, Jan 31 - Tue, Feb 9

1:00 pm - 8:10 amSDF Louisville Intl-LIS Lisbon Humberto Delgado

14h 10m1 stop Newark

11:20 am - 1:02 pmLIS Lisbon Humberto Delgado-SDF Louisville Intl

30h 42m2 stops Montreal Pierre Elliott Trudeau Intl Newark

$726United Airlines

Tue, Feb 2 - Tue, Feb 9

8:45 am - 8:10 amSDF Louisville Intl-LIS Lisbon Humberto Delgado

18h 25m1 stop Newark

11:20 am - 1:02 pmLIS Lisbon Humberto Delgado-SDF Louisville Intl

30h 42m2 stops Montreal Pierre Elliott Trudeau Intl Newark

$726United Airlines

Sun, Jan 31 - Tue, Feb 9

11:21 am - 9:05 amSDF Louisville Intl-LIS Lisbon Humberto Delgado

16h 44m1 stop Philadelphia

11:05 am - 9:16 pmLIS Lisbon Humberto Delgado-SDF Louisville Intl

15h 11m1 stop Philadelphia

$726American Airlines

Sun, Jan 31 - Tue, Feb 9

11:00 am - 9:20 amSDF Louisville Intl-LIS Lisbon Humberto Delgado

17h 20m2 stops Chicago O'Hare Intl Montreal Pierre Elliott Trudeau Intl

11:20 am - 11:55 pmLIS Lisbon Humberto Delgado-SDF Louisville Intl

41h 35m2 stops Montreal Pierre Elliott Trudeau Intl Chicago O'Hare Intl

$730Air Canada

Mon, Feb 1 - Tue, Feb 9

9:00 am - 9:20 amSDF Louisville Intl-LIS Lisbon Humberto Delgado

19h 20m2 stops Chicago O'Hare Intl Montreal Pierre Elliott Trudeau Intl

10:55 am - 10:09 pmLIS Lisbon Humberto Delgado-SDF Louisville Intl

40h 14m2 stops Montreal Pierre Elliott Trudeau Intl Chicago O'Hare Intl

$749Air Canada

Wed, Feb 3 - Fri, Feb 5

3:43 pm - 2:55 pmSDF Louisville Intl-LIS Lisbon Humberto Delgado

18h 12m2 stops Atlanta Hartsfield-Jackson Paris Charles de Gaulle

5:00 am - 7:14 pmLIS Lisbon Humberto Delgado-SDF Louisville Intl

19h 14m2 stops Amsterdam Schiphol Minneapolis St Paul

$859Delta

Fri, Sep 25 - Fri, Oct 2

5:38 pm - 6:45 pmSDF Louisville Intl-LIS Lisbon Humberto Delgado

20h 07m2 stops Detroit Metropolitan Wayne County Amsterdam Schiphol

5:00 am - 10:51 pmLIS Lisbon Humberto Delgado-SDF Louisville Intl

22h 51m2 stops Amsterdam Schiphol Minneapolis St Paul

$864Delta

Fri, Oct 9 - Fri, Oct 16

7:15 am - 9:05 amSDF Louisville Intl-LIS Lisbon Humberto Delgado

20h 50m1 stop Philadelphia

7:10 am - 7:28 pmLIS Lisbon Humberto Delgado-SDF Louisville Intl

17h 18m2 stops London Heathrow Charlotte Douglas

$865American Airlines

Sat, Oct 10 - Tue, Oct 20

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Delta flights from Louisville to Lisbon

Our best Delta deals on Louisville to Lisbon flight tickets

Delta

Sep 24

SDF12:39 pmLouisville Intl

17h 16m

2 stops

LIS10:55 amLisbon Humberto Delgado

Oct 1

LIS5:00 amLisbon Humberto Delgado

21h 59m

2 stops

SDF9:59 pmLouisville Intl

$864

Delta

Nov 17

SDF1:30 pmLouisville Intl

14h 30m

1 stop

LIS9:00 amLisbon Humberto Delgado

Nov 28

LIS5:00 amLisbon Humberto Delgado

21h 13m

2 stops

SDF9:13 pmLouisville Intl

$883

Delta

Nov 17

SDF2:54 pmLouisville Intl

19h 16m

2 stops

LIS3:10 pmLisbon Humberto Delgado

Nov 28

LIS5:00 amLisbon Humberto Delgado

21h 13m

2 stops

SDF9:13 pmLouisville Intl

$887

Iberia flights from Louisville to Lisbon

Our best Iberia deals on Louisville to Lisbon flight tickets

Iberia

Sep 21

SDF5:59 pmLouisville Intl

24h 26m

2 stops

LIS11:25 pmLisbon Humberto Delgado

Sep 28

LIS8:45 pmLisbon Humberto Delgado

30h 48m

2 stops

SDF10:33 pmLouisville Intl

$798

Iberia

Sep 19

SDF5:59 pmLouisville Intl

48h 26m

2 stops

LIS11:25 pmLisbon Humberto Delgado

Sep 29

LIS6:35 amLisbon Humberto Delgado

20h 58m

2 stops

SDF10:33 pmLouisville Intl

$934

Iberia

Sep 19

SDF5:59 pmLouisville Intl

48h 26m

2 stops

LIS11:25 pmLisbon Humberto Delgado

Sep 28

LIS8:45 pmLisbon Humberto Delgado

30h 48m

2 stops

SDF10:33 pmLouisville Intl

$945

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LouisvilleLisbon

SDF Louisville Intl - LIS Lisbon Humberto Delgado

SDFLIS

Louisville Intl

Sun 1/31

11:21 am-9:05 am

1 stop16h 44m

Lisbon Humberto Delgado

Tue 2/9

6:30 am-9:16 pm

2 stops19h 46m

$719

LouisvilleLisbon

SDF Louisville Intl - LIS Lisbon Humberto Delgado

SDFLIS

Louisville Intl

Sun 1/31

6:14 pm-2:50 pm

2 stops15h 36m

Lisbon Humberto Delgado

Tue 2/9

6:30 am-11:35 pm

2 stops22h 05m

$723

LouisvilleLisbon

SDF Louisville Intl - LIS Lisbon Humberto Delgado

SDFLIS

Louisville Intl

Tue 2/2

1:00 pm-8:10 am

1 stop14h 10m

Lisbon Humberto Delgado

Tue 2/9

11:20 am-1:02 pm

2 stops30h 42m

$726

LouisvilleLisbon

SDF Louisville Intl - LIS Lisbon Humberto Delgado

SDFLIS

Louisville Intl

Sun 1/31

8:45 am-8:10 am

1 stop18h 25m

Lisbon Humberto Delgado

Tue 2/9

11:20 am-1:02 pm

2 stops30h 42m

$726

Quickest round-trip

LouisvilleLisbon

SDF Louisville Intl - LIS Lisbon Humberto Delgado

SDFLIS

Louisville Intl

Sun 1/31

11:21 am-9:05 am

1 stop16h 44m

Lisbon Humberto Delgado

Tue 2/9

11:05 am-9:16 pm

1 stop15h 11m

$726

LouisvilleLisbon

SDF Louisville Intl - LIS Lisbon Humberto Delgado

SDFLIS

Louisville Intl

Mon 2/1

11:00 am-9:20 am

2 stops17h 20m

Lisbon Humberto Delgado

Tue 2/9

11:20 am-11:55 pm

2 stops41h 35m

$730

LouisvilleLisbon

SDF Louisville Intl - LIS Lisbon Humberto Delgado

SDFLIS

Louisville Intl

Wed 2/3

9:00 am-9:20 am

2 stops19h 20m

Lisbon Humberto Delgado

Fri 2/5

10:55 am-10:09 pm

2 stops40h 14m

$749

LouisvilleLisbon

SDF Louisville Intl - LIS Lisbon Humberto Delgado

SDFLIS

Louisville Intl

Fri 9/25

3:43 pm-2:55 pm

2 stops18h 12m

Lisbon Humberto Delgado

Fri 10/2

5:00 am-7:14 pm

2 stops19h 14m

$859

LouisvilleLisbon

SDF Louisville Intl - LIS Lisbon Humberto Delgado

SDFLIS

Louisville Intl

Fri 10/9

5:38 pm-6:45 pm

2 stops20h 07m

Lisbon Humberto Delgado

Fri 10/16

5:00 am-10:51 pm

2 stops22h 51m

$864

LouisvilleLisbon

SDF Louisville Intl - LIS Lisbon Humberto Delgado

SDFLIS

Louisville Intl

Sat 10/10

7:15 am-9:05 am

1 stop20h 50m

Lisbon Humberto Delgado

Tue 10/20

7:10 am-7:28 pm

2 stops17h 18m

$865

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 18 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 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 $924 to $1,124.
The lowest price recently found on this route was $719.

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 $596. If you are unable to visit Lisbon during the month of December, then departing from Louisville during the month April is also very affordable. Most momondo users find prices during this month for around $651.

Can stopping save me money on Louisville to Lisbon flights?

You could potentially save up to 19% 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 25m
Direct flights	None

The fastest flight from Louisville to Lisbon takes 13h 25m

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

Search flight deals

Frequently asked questions about flying from Louisville to Lisbon

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 25m, 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 2026, 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 59% of all bookings. The subsequent popular airlines are American Airlines at 26% and Delta at 15%.

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 $543	Free Cancellation	Rating 7.4 10,095 reviews	Search United Airlines flights
Delta	PriceFrom $587	Free Cancellation	Rating 7.8 8,497 reviews	Search Delta flights
American Airlines	PriceFrom $606	Free Cancellation	Rating 7.1 11,897 reviews	Search American Airlines flights

Sintra

Fátima

Figueira da Foz

Setúbal

Nazaré

Estoril

Evora

Ericeira

Peniche

Óbidos

Tomar

Batalha

Leiria

Oeiras

Sesimbra

Zambujeira do Mar

Torres Vedras

Comporta

Sines

Caldas da Rainha

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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 $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 10/13. 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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Delta flights from Louisville to Lisbon

Our best Delta deals on Louisville to Lisbon flight tickets

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How to get the cheapest flight ticket from Louisville to Lisbon

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

What is the cheapest month to fly to Lisbon?

Can stopping save me money on Louisville to Lisbon flights?

What is the cheapest airline that flies 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?

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

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

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

When to book flights from Louisville to Lisbon

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

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Direct flights

Frequently asked questions about flying 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?

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

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List of cabin classes available on flights landing in Lisbon. Availability may vary depending on flight origin and airline.

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