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.

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 38% 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 connection time from Louisville to Lisbon?

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

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.

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

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

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

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

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.

$346 Cheap Flights from Louisville to Lisbon in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Louisville to Lisbon

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Enter your travel dates to find the best prices.

12:33 pm - 9:05 amSDF Louisville Intl-LIS Lisbon Humberto Delgado

15h 32m1 stop Philadelphia

8:20 am - 9:36 pmLIS Lisbon Humberto Delgado-SDF Louisville Intl

18h 16m2 stops Madrid Barajas Chicago O'Hare Intl

$709American Airlines

Mon, Oct 19 - Wed, Nov 4

12:46 pm - 9:05 amSDF Louisville Intl-LIS Lisbon Humberto Delgado

15h 19m2 stops Chicago O'Hare Intl Philadelphia

8:20 am - 9:36 pmLIS Lisbon Humberto Delgado-SDF Louisville Intl

18h 16m2 stops Madrid Barajas Chicago O'Hare Intl

$709American Airlines

Mon, Oct 19 - Wed, Nov 4

4:52 pm - 9:05 amSDF Louisville Intl-LIS Lisbon Humberto Delgado

11h 13m1 stop Philadelphia

11:05 am - 10:37 amLIS Lisbon Humberto Delgado-SDF Louisville Intl

28h 32m1 stop Philadelphia

$716American Airlines

Mon, Oct 19 - Wed, Nov 4

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

14h 10m1 stop Newark

10:55 am - 1:00 pmLIS Lisbon Humberto Delgado-SDF Louisville Intl

31h 05m2 stops Montreal Pierre Elliott Trudeau Intl Chicago O'Hare Intl

$751United Airlines

Tue, Feb 9 - Fri, Feb 12

6:30 am - 8:10 amSDF Louisville Intl-LIS Lisbon Humberto Delgado

20h 40m1 stop Newark

10:55 am - 1:00 pmLIS Lisbon Humberto Delgado-SDF Louisville Intl

31h 05m2 stops Montreal Pierre Elliott Trudeau Intl Chicago O'Hare Intl

$751United Airlines

Sun, Feb 7 - Fri, Feb 12

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

18h 25m1 stop Newark

10:55 am - 1:00 pmLIS Lisbon Humberto Delgado-SDF Louisville Intl

31h 05m2 stops Montreal Pierre Elliott Trudeau Intl Chicago O'Hare Intl

$751United Airlines

Mon, Feb 8 - Fri, Feb 12

6:30 am - 9:20 amSDF Louisville Intl-LIS Lisbon Humberto Delgado

45h 50m2 stops Newark Montreal Pierre Elliott Trudeau Intl

12:50 pm - 11:55 pmLIS Lisbon Humberto Delgado-SDF Louisville Intl

40h 05m2 stops Montreal Pierre Elliott Trudeau Intl Chicago O'Hare Intl

$754Air Canada

Tue, Feb 9 - Tue, Feb 16

7:32 pm - 9:20 amSDF Louisville Intl-LIS Lisbon Humberto Delgado

32h 48m2 stops Chicago O'Hare Intl Montreal Pierre Elliott Trudeau Intl

12:50 pm - 8:14 pmLIS Lisbon Humberto Delgado-SDF Louisville Intl

36h 24m2 stops Montreal Pierre Elliott Trudeau Intl Chicago O'Hare Intl

$754Air Canada

Sun, Feb 7 - Tue, Feb 16

8:04 am - 8:55 amSDF Louisville Intl-LIS Lisbon Humberto Delgado

19h 51m1 stop Boston Logan Intl

10:00 am - 8:51 pmLIS Lisbon Humberto Delgado-SDF Louisville Intl

15h 51m2 stops New York John F Kennedy Intl Atlanta Hartsfield-Jackson

$775Delta

Sun, Jan 3 - Wed, Jan 13

7:15 am - 8:55 amSDF Louisville Intl-LIS Lisbon Humberto Delgado

20h 40m2 stops Detroit Metropolitan Wayne County Boston Logan Intl

10:00 am - 9:41 pmLIS Lisbon Humberto Delgado-SDF Louisville Intl

16h 41m2 stops New York John F Kennedy Intl Detroit Metropolitan Wayne County

$775Delta

Sun, Jan 3 - Wed, Jan 13

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United Airlines flights from Louisville to Lisbon

Our best United Airlines deals on Louisville to Lisbon flight tickets

United Airlines

Feb 3

SDF8:45 amLouisville Intl

18h 25m

1 stop

LIS8:10 amLisbon Humberto Delgado

Feb 12

LIS10:55 amLisbon Humberto Delgado

31h 05m

2 stops

SDF1:00 pmLouisville Intl

$751

United Airlines

Feb 3

SDF1:00 pmLouisville Intl

14h 10m

1 stop

LIS8:10 amLisbon Humberto Delgado

Feb 11

LIS5:00 amLisbon Humberto Delgado

20h 00m

2 stops

SDF8:00 pmLouisville Intl

$759

United Airlines

Feb 9

SDF1:00 pmLouisville Intl

14h 10m

1 stop

LIS8:10 amLisbon Humberto Delgado

Feb 11

LIS10:15 amLisbon Humberto Delgado

14h 45m

1 stop

SDF8:00 pmLouisville Intl

$771

Air Canada flights from Louisville to Lisbon

Our best Air Canada deals on Louisville to Lisbon flight tickets

Air Canada

Feb 3

SDF9:00 amLouisville Intl

19h 20m

2 stops

LIS9:20 amLisbon Humberto Delgado

Feb 11

LIS11:20 amLisbon Humberto Delgado

37h 40m

2 stops

SDF8:00 pmLouisville Intl

$754

Air Canada

Jan 4

SDF10:17 amLouisville Intl

18h 03m

2 stops

LIS9:20 amLisbon Humberto Delgado

Jan 13

LIS11:20 amLisbon Humberto Delgado

34h 29m

2 stops

SDF4:49 pmLouisville Intl

$764

Air Canada

Feb 6

SDF7:32 pmLouisville Intl

32h 48m

2 stops

LIS9:20 amLisbon Humberto Delgado

Feb 17

LIS11:20 amLisbon Humberto Delgado

34h 29m

2 stops

SDF4:49 pmLouisville Intl

$769

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LouisvilleLisbon

SDF Louisville Intl - LIS Lisbon Humberto Delgado

SDFLIS

Louisville Intl

Mon 10/19

12:33 pm-9:05 am

1 stop15h 32m

Lisbon Humberto Delgado

Wed 11/4

8:20 am-9:36 pm

2 stops18h 16m

$709

Quickest round-trip

LouisvilleLisbon

SDF Louisville Intl - LIS Lisbon Humberto Delgado

SDFLIS

Louisville Intl

Mon 10/19

12:46 pm-9:05 am

2 stops15h 19m

Lisbon Humberto Delgado

Wed 11/4

8:20 am-9:36 pm

2 stops18h 16m

$709

LouisvilleLisbon

SDF Louisville Intl - LIS Lisbon Humberto Delgado

SDFLIS

Louisville Intl

Mon 10/19

4:52 pm-9:05 am

1 stop11h 13m

Lisbon Humberto Delgado

Wed 11/4

11:05 am-10:37 am

1 stop28h 32m

$716

LouisvilleLisbon

SDF Louisville Intl - LIS Lisbon Humberto Delgado

SDFLIS

Louisville Intl

Tue 2/9

1:00 pm-8:10 am

1 stop14h 10m

Lisbon Humberto Delgado

Fri 2/12

10:55 am-1:00 pm

2 stops31h 05m

$751

LouisvilleLisbon

SDF Louisville Intl - LIS Lisbon Humberto Delgado

SDFLIS

Louisville Intl

Sun 2/7

6:30 am-8:10 am

1 stop20h 40m

Lisbon Humberto Delgado

Fri 2/12

10:55 am-1:00 pm

2 stops31h 05m

$751

LouisvilleLisbon

SDF Louisville Intl - LIS Lisbon Humberto Delgado

SDFLIS

Louisville Intl

Mon 2/8

8:45 am-8:10 am

1 stop18h 25m

Lisbon Humberto Delgado

Fri 2/12

10:55 am-1:00 pm

2 stops31h 05m

$751

LouisvilleLisbon

SDF Louisville Intl - LIS Lisbon Humberto Delgado

SDFLIS

Louisville Intl

Tue 2/9

6:30 am-9:20 am

2 stops45h 50m

Lisbon Humberto Delgado

Tue 2/16

12:50 pm-11:55 pm

2 stops40h 05m

$754

LouisvilleLisbon

SDF Louisville Intl - LIS Lisbon Humberto Delgado

SDFLIS

Louisville Intl

Sun 2/7

7:32 pm-9:20 am

2 stops32h 48m

Lisbon Humberto Delgado

Tue 2/16

12:50 pm-8:14 pm

2 stops36h 24m

$754

LouisvilleLisbon

SDF Louisville Intl - LIS Lisbon Humberto Delgado

SDFLIS

Louisville Intl

Sun 1/3

8:04 am-8:55 am

1 stop19h 51m

Lisbon Humberto Delgado

Wed 1/13

10:00 am-8:51 pm

2 stops15h 51m

$775

LouisvilleLisbon

SDF Louisville Intl - LIS Lisbon Humberto Delgado

SDFLIS

Louisville Intl

Sun 1/3

7:15 am-8:55 am

2 stops20h 40m

Lisbon Humberto Delgado

Wed 1/13

10:00 am-9:41 pm

2 stops16h 41m

$775

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 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 $901 to $1,218.
The lowest price recently found on this route was $709.

What is the cheapest month to fly to Lisbon?

In general, April 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 $651. If you are unable to visit Lisbon during the month of April, then departing from Louisville during the month January is also very affordable. Most momondo users find prices during this month for around $659.

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

Best Price Found	$346
Fastest flight time	14h 30m
Direct flights	None

The best one-way flight to Lisbon from Louisville in the past 72 hours is $346. The best round-trip flight deal from Louisville to Lisbon found on momondo in the last 72 hours is $709.

The fastest flight from Louisville to Lisbon takes 14h 30m

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 14h 30m, 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 58% of all bookings. The subsequent popular airlines are American Airlines at 27% 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 10,146 reviews	Search United Airlines flights
Delta	PriceFrom $587	Free Cancellation	Rating 7.8 8,533 reviews	Search Delta flights
American Airlines	PriceFrom $606	Free Cancellation	Rating 7.1 12,019 reviews	Search American Airlines flights

Sintra

Fátima

Figueira da Foz

Nazaré

Setúbal

Estoril

Evora

Ericeira

Óbidos

Batalha

Oeiras

Leiria

Sesimbra

Zambujeira do Mar

Comporta

Sines

Caldas da Rainha

Costa da Caparica

Peniche

Tomar

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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 $346

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 1/4. 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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United Airlines flights from Louisville to Lisbon

Our best United Airlines deals on Louisville to Lisbon flight tickets

Air Canada flights from Louisville to Lisbon

Our best Air Canada 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

Best Price Found

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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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Airlines are sorted and displayed according to clicks in the past 7 days on momondo

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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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