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?

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

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 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 Delta 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 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 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.

$345 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

Cheap round-trip flights

Enter your travel dates to find the best prices.

12:41 pm - 12:05 pmSDF Louisville Intl-LIS Lisbon Humberto Delgado

18h 24m2 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

$729Multiple Airlines

Wed, Feb 17 - Wed, Mar 3

3:49 pm - 9:05 amSDF Louisville Intl-LIS Lisbon Humberto Delgado

12h 16m1 stop Philadelphia

11:05 am - 9:17 pmLIS Lisbon Humberto Delgado-SDF Louisville Intl

15h 12m1 stop Philadelphia

$732American Airlines

Wed, Feb 17 - Wed, Mar 3

11:16 am - 9:05 amSDF Louisville Intl-LIS Lisbon Humberto Delgado

16h 49m1 stop Philadelphia

11:05 am - 12:25 amLIS Lisbon Humberto Delgado-SDF Louisville Intl

18h 20m2 stops Philadelphia Charlotte Douglas

$736American Airlines

Wed, Feb 17 - Wed, Mar 3

10:25 am - 9:20 amSDF Louisville Intl-LIS Lisbon Humberto Delgado

41h 55m2 stops Chicago O'Hare Intl Montreal Pierre Elliott Trudeau Intl

5:00 am - 6:32 pmLIS Lisbon Humberto Delgado-SDF Louisville Intl

41h 32m2 stops Frankfurt am Main Chicago O'Hare Intl

$751Multiple Airlines

Mon, Oct 12 - Wed, Oct 28

1:20 pm - 10:45 amSDF Louisville Intl-LIS Lisbon Humberto Delgado

16h 25m1 stop Boston Logan Intl

5:00 am - 5:59 pmLIS Lisbon Humberto Delgado-SDF Louisville Intl

16h 59m2 stops Amsterdam Schiphol Minneapolis St Paul

$766KLM

Tue, Oct 20 - Wed, Oct 28

5:38 pm - 5:50 pmSDF Louisville Intl-LIS Lisbon Humberto Delgado

19h 12m2 stops Detroit Metropolitan Wayne County Paris Charles de Gaulle

5:00 am - 7:10 pmLIS Lisbon Humberto Delgado-SDF Louisville Intl

18h 10m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson

$771Delta

Wed, Oct 21 - Wed, Oct 28

6:08 pm - 2:30 pmSDF Louisville Intl-LIS Lisbon Humberto Delgado

15h 22m2 stops Boston Logan Intl London Heathrow

7:05 am - 7:28 pmLIS Lisbon Humberto Delgado-SDF Louisville Intl

16h 23m2 stops London Heathrow Charlotte Douglas

$773American Airlines

Tue, Oct 20 - Tue, Oct 27

10:00 am - 10:30 amSDF Louisville Intl-LIS Lisbon Humberto Delgado

19h 30m1 stop Washington, D.C. Dulles Intl

11:55 am - 7:30 pmLIS Lisbon Humberto Delgado-SDF Louisville Intl

11h 35m1 stop Washington, D.C. Dulles Intl

$777United Airlines

Mon, Oct 19 - Wed, Oct 28

1:25 pm - 8:20 amSDF Louisville Intl-LIS Lisbon Humberto Delgado

13h 55m1 stop Newark

11:55 am - 7:30 pmLIS Lisbon Humberto Delgado-SDF Louisville Intl

11h 35m1 stop Washington, D.C. Dulles Intl

$777United Airlines

Tue, Oct 20 - Wed, Oct 28

5:38 pm - 5:50 pmSDF Louisville Intl-LIS Lisbon Humberto Delgado

19h 12m2 stops Detroit Metropolitan Wayne County Paris Charles de Gaulle

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

22h 51m2 stops Amsterdam Schiphol Minneapolis St Paul

$800Delta

Tue, Oct 6 - Tue, Oct 13

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Delta flights from Louisville to Lisbon

Our best Delta deals on Louisville to Lisbon flight tickets

Delta

Oct 6

SDF5:38 pmLouisville Intl

19h 12m

2 stops

LIS5:50 pmLisbon Humberto Delgado

Oct 13

LIS5:00 amLisbon Humberto Delgado

22h 51m

2 stops

SDF10:51 pmLouisville Intl

$800

Delta

Sep 22

SDF5:50 pmLouisville Intl

16h 05m

2 stops

LIS2:55 pmLisbon Humberto Delgado

Sep 29

LIS5:35 amLisbon Humberto Delgado

18h 39m

2 stops

SDF7:14 pmLouisville Intl

$808

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

$826

Air Canada flights from Louisville to Lisbon

Our best Air Canada deals on Louisville to Lisbon flight tickets

Air Canada

Oct 21

SDF10:25 amLouisville Intl

17h 55m

2 stops

LIS9:20 amLisbon Humberto Delgado

Oct 27

LIS12:50 pmLisbon Humberto Delgado

32h 12m

2 stops

SDF5:02 pmLouisville Intl

$899

Air Canada

Oct 15

SDF6:00 amLouisville Intl

22h 20m

2 stops

LIS9:20 amLisbon Humberto Delgado

Oct 25

LIS10:50 amLisbon Humberto Delgado

34h 12m

2 stops

SDF5:02 pmLouisville Intl

$915

Air Canada

Oct 6

SDF10:25 amLouisville Intl

17h 55m

3 stops

LIS9:20 amLisbon Humberto Delgado

Oct 13

LIS11:25 amLisbon Humberto Delgado

17h 34m

3 stops

SDF11:59 pmLouisville Intl

$965

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LouisvilleLisbon

SDF Louisville Intl - LIS Lisbon Humberto Delgado

SDFLIS

Louisville Intl

Wed 2/17

12:41 pm-12:05 pm

2 stops18h 24m

Lisbon Humberto Delgado

Wed 3/3

6:30 am-11:35 pm

2 stops22h 05m

$729

LouisvilleLisbon

SDF Louisville Intl - LIS Lisbon Humberto Delgado

SDFLIS

Louisville Intl

Wed 2/17

3:49 pm-9:05 am

1 stop12h 16m

Lisbon Humberto Delgado

Wed 3/3

11:05 am-9:17 pm

1 stop15h 12m

$732

LouisvilleLisbon

SDF Louisville Intl - LIS Lisbon Humberto Delgado

SDFLIS

Louisville Intl

Wed 2/17

11:16 am-9:05 am

1 stop16h 49m

Lisbon Humberto Delgado

Wed 3/3

11:05 am-12:25 am

2 stops18h 20m

$736

LouisvilleLisbon

SDF Louisville Intl - LIS Lisbon Humberto Delgado

SDFLIS

Louisville Intl

Mon 10/12

10:25 am-9:20 am

2 stops41h 55m

Lisbon Humberto Delgado

Wed 10/28

5:00 am-6:32 pm

2 stops41h 32m

$751

LouisvilleLisbon

SDF Louisville Intl - LIS Lisbon Humberto Delgado

SDFLIS

Louisville Intl

Tue 10/20

1:20 pm-10:45 am

1 stop16h 25m

Lisbon Humberto Delgado

Wed 10/28

5:00 am-5:59 pm

2 stops16h 59m

$766

LouisvilleLisbon

SDF Louisville Intl - LIS Lisbon Humberto Delgado

SDFLIS

Louisville Intl

Wed 10/21

5:38 pm-5:50 pm

2 stops19h 12m

Lisbon Humberto Delgado

Wed 10/28

5:00 am-7:10 pm

2 stops18h 10m

$771

LouisvilleLisbon

SDF Louisville Intl - LIS Lisbon Humberto Delgado

SDFLIS

Louisville Intl

Tue 10/20

6:08 pm-2:30 pm

2 stops15h 22m

Lisbon Humberto Delgado

Tue 10/27

7:05 am-7:28 pm

2 stops16h 23m

$773

LouisvilleLisbon

SDF Louisville Intl - LIS Lisbon Humberto Delgado

SDFLIS

Louisville Intl

Mon 10/19

10:00 am-10:30 am

1 stop19h 30m

Lisbon Humberto Delgado

Wed 10/28

11:55 am-7:30 pm

1 stop11h 35m

$777

Quickest round-trip

LouisvilleLisbon

SDF Louisville Intl - LIS Lisbon Humberto Delgado

SDFLIS

Louisville Intl

Tue 10/20

1:25 pm-8:20 am

1 stop13h 55m

Lisbon Humberto Delgado

Wed 10/28

11:55 am-7:30 pm

1 stop11h 35m

$777

LouisvilleLisbon

SDF Louisville Intl - LIS Lisbon Humberto Delgado

SDFLIS

Louisville Intl

Tue 10/6

5:38 pm-5:50 pm

2 stops19h 12m

Lisbon Humberto Delgado

Tue 10/13

5:00 am-10:51 pm

2 stops22h 51m

$800

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 $892 to $1,112.
The lowest price recently found on this route was $729.

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

Best Price Found	$345
Fastest flight time	14h 30m
Direct flights	None

The best one-way flight to Lisbon from Louisville in the past 72 hours is $345. The best round-trip flight deal from Louisville to Lisbon found on momondo in the last 72 hours is $729.

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 59% 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 10,123 reviews	Search United Airlines flights
Delta	PriceFrom $587	Free Cancellation	Rating 7.8 8,529 reviews	Search Delta flights
American Airlines	PriceFrom $606	Free Cancellation	Rating 7.1 11,995 reviews	Search American Airlines flights

Sintra

Fátima

Figueira da Foz

Nazaré

Setúbal

Estoril

Evora

Ericeira

Óbidos

Batalha

Leiria

Peniche

Oeiras

Sesimbra

Zambujeira do Mar

Comporta

Sines

Caldas da Rainha

Costa da Caparica

Tomar

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 $345

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 1/13. 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

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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