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

Iberia and Finnair are the most popular carriers operating from Louisville Intl to Lisbon Humberto Delgado

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 airlines fly to Lisbon?

United Airlines, Delta 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 41% 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.

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

Philadelphia (PHL) was the most common stop: 60% 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: 4h 18m.

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 October 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.

$321 Cheap Flights from Louisville to Lisbon in 2026/27

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.

2:05 pm - 11:35 amSDF Louisville Intl-LIS Lisbon Humberto Delgado

16h 30m2 stops Chicago O'Hare Intl Frankfurt am Main

5:00 am - 11:59 pmLIS Lisbon Humberto Delgado-SDF Louisville Intl

23h 59m2 stops Frankfurt am Main Chicago O'Hare Intl

$722Lufthansa

Tue, Feb 9 - Wed, Feb 17

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

21h 00m1 stop Newark

5:00 am - 8:32 pmLIS Lisbon Humberto Delgado-SDF Louisville Intl

20h 32m2 stops Frankfurt am Main Chicago O'Hare Intl

$730United Airlines

Tue, Feb 9 - Wed, Feb 17

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

18h 25m1 stop Newark

10:15 am - 7:28 pmLIS Lisbon Humberto Delgado-SDF Louisville Intl

14h 13m1 stop Newark

$747United Airlines

Tue, Feb 9 - Wed, Feb 17

11:44 am - 8:30 amSDF Louisville Intl-LIS Lisbon Humberto Delgado

15h 46m1 stop Philadelphia

6:30 am - 10:11 pmLIS Lisbon Humberto Delgado-SDF Louisville Intl

20h 41m2 stops Madrid Barajas Charlotte Douglas

$753American Airlines

Wed, Dec 9 - Wed, Dec 16

1:21 pm - 12:05 pmSDF Louisville Intl-LIS Lisbon Humberto Delgado

17h 44m2 stops Chicago O'Hare Intl London Heathrow

6:30 am - 10:11 pmLIS Lisbon Humberto Delgado-SDF Louisville Intl

20h 41m2 stops Madrid Barajas Charlotte Douglas

$756Multiple Airlines

Wed, Dec 9 - Wed, Dec 16

11:44 am - 8:30 amSDF Louisville Intl-LIS Lisbon Humberto Delgado

15h 46m1 stop Philadelphia

11:05 am - 10:34 pmLIS Lisbon Humberto Delgado-SDF Louisville Intl

16h 29m1 stop Philadelphia

$759American Airlines

Wed, Dec 9 - Wed, Dec 16

7:30 pm - 3:10 pmSDF Louisville Intl-LIS Lisbon Humberto Delgado

14h 40m2 stops Atlanta Hartsfield-Jackson Paris Charles de Gaulle

5:00 am - 5:40 pmLIS Lisbon Humberto Delgado-SDF Louisville Intl

17h 40m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County

$780Multiple Airlines

Sun, Feb 28 - Sun, Mar 7

8:50 am - 8:10 amSDF Louisville Intl-LIS Lisbon Humberto Delgado

18h 20m1 stop Newark

5:00 am - 8:14 pmLIS Lisbon Humberto Delgado-SDF Louisville Intl

20h 14m2 stops Frankfurt am Main Chicago O'Hare Intl

$780United Airlines

Sun, Feb 28 - Sat, Mar 6

7:30 pm - 3:10 pmSDF Louisville Intl-LIS Lisbon Humberto Delgado

14h 40m2 stops Atlanta Hartsfield-Jackson Paris Charles de Gaulle

9:50 am - 12:02 amLIS Lisbon Humberto Delgado-SDF Louisville Intl

19h 12m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson

$780Multiple Airlines

Sun, Feb 28 - Sat, Mar 6

7:45 am - 9:05 amSDF Louisville Intl-LIS Lisbon Humberto Delgado

20h 20m1 stop Philadelphia

11:05 am - 11:13 pmLIS Lisbon Humberto Delgado-SDF Louisville Intl

17h 08m1 stop Philadelphia

$788American Airlines

Sun, Feb 28 - Sun, Mar 7

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Lufthansa flights from Louisville to Lisbon

Our best Lufthansa deals on Louisville to Lisbon flight tickets

Lufthansa

Feb 9

SDF2:05 pmLouisville Intl

16h 30m

2 stops

LIS11:35 amLisbon Humberto Delgado

Feb 17

LIS5:00 amLisbon Humberto Delgado

23h 59m

2 stops

SDF11:59 pmLouisville Intl

$722

Lufthansa

Mar 29

SDF2:20 pmLouisville Intl

15h 10m

1 stop

LIS10:30 amLisbon Humberto Delgado

Mar 30

LIS4:20 pmLisbon Humberto Delgado

34h 49m

2 stops

SDF10:09 pmLouisville Intl

$1,284

Lufthansa

Nov 17

SDF2:11 pmLouisville Intl

14h 54m

1 stop

LIS10:05 amLisbon Humberto Delgado

Nov 28

LIS5:00 amLisbon Humberto Delgado

19h 30m

2 stops

SDF7:30 pmLouisville Intl

$1,399

United Airlines flights from Louisville to Lisbon

Our best United Airlines deals on Louisville to Lisbon flight tickets

United Airlines

Feb 9

SDF6:10 amLouisville Intl

21h 00m

1 stop

LIS8:10 amLisbon Humberto Delgado

Feb 17

LIS5:00 amLisbon Humberto Delgado

20h 32m

2 stops

SDF8:32 pmLouisville Intl

$730

United Airlines

Feb 9

SDF8:45 amLouisville Intl

18h 25m

1 stop

LIS8:10 amLisbon Humberto Delgado

Feb 17

LIS10:15 amLisbon Humberto Delgado

14h 13m

1 stop

SDF7:28 pmLouisville Intl

$747

United Airlines

Feb 28

SDF1:00 pmLouisville Intl

14h 10m

1 stop

LIS8:10 amLisbon Humberto Delgado

Mar 7

LIS5:00 amLisbon Humberto Delgado

20h 14m

2 stops

SDF8:14 pmLouisville Intl

$780

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LouisvilleLisbon

SDF Louisville Intl - LIS Lisbon Humberto Delgado

SDFLIS

Louisville Intl

Tue 2/9

2:05 pm-11:35 am

2 stops16h 30m

Lisbon Humberto Delgado

Wed 2/17

5:00 am-11:59 pm

2 stops23h 59m

$722

LouisvilleLisbon

SDF Louisville Intl - LIS Lisbon Humberto Delgado

SDFLIS

Louisville Intl

Tue 2/9

6:10 am-8:10 am

1 stop21h 00m

Lisbon Humberto Delgado

Wed 2/17

5:00 am-8:32 pm

2 stops20h 32m

$730

LouisvilleLisbon

SDF Louisville Intl - LIS Lisbon Humberto Delgado

SDFLIS

Louisville Intl

Tue 2/9

8:45 am-8:10 am

1 stop18h 25m

Lisbon Humberto Delgado

Wed 2/17

10:15 am-7:28 pm

1 stop14h 13m

$747

LouisvilleLisbon

SDF Louisville Intl - LIS Lisbon Humberto Delgado

SDFLIS

Louisville Intl

Wed 12/9

11:44 am-8:30 am

1 stop15h 46m

Lisbon Humberto Delgado

Wed 12/16

6:30 am-10:11 pm

2 stops20h 41m

$753

LouisvilleLisbon

SDF Louisville Intl - LIS Lisbon Humberto Delgado

SDFLIS

Louisville Intl

Wed 12/9

1:21 pm-12:05 pm

2 stops17h 44m

Lisbon Humberto Delgado

Wed 12/16

6:30 am-10:11 pm

2 stops20h 41m

$756

Quickest round-trip

LouisvilleLisbon

SDF Louisville Intl - LIS Lisbon Humberto Delgado

SDFLIS

Louisville Intl

Wed 12/9

11:44 am-8:30 am

1 stop15h 46m

Lisbon Humberto Delgado

Wed 12/16

11:05 am-10:34 pm

1 stop16h 29m

$759

LouisvilleLisbon

SDF Louisville Intl - LIS Lisbon Humberto Delgado

SDFLIS

Louisville Intl

Sun 2/28

7:30 pm-3:10 pm

2 stops14h 40m

Lisbon Humberto Delgado

Sun 3/7

5:00 am-5:40 pm

2 stops17h 40m

$780

LouisvilleLisbon

SDF Louisville Intl - LIS Lisbon Humberto Delgado

SDFLIS

Louisville Intl

Sun 2/28

8:50 am-8:10 am

1 stop18h 20m

Lisbon Humberto Delgado

Sat 3/6

5:00 am-8:14 pm

2 stops20h 14m

$780

LouisvilleLisbon

SDF Louisville Intl - LIS Lisbon Humberto Delgado

SDFLIS

Louisville Intl

Sun 2/28

7:30 pm-3:10 pm

2 stops14h 40m

Lisbon Humberto Delgado

Sat 3/6

9:50 am-12:02 am

2 stops19h 12m

$780

LouisvilleLisbon

SDF Louisville Intl - LIS Lisbon Humberto Delgado

SDFLIS

Louisville Intl

Sun 2/28

7:45 am-9:05 am

1 stop20h 20m

Lisbon Humberto Delgado

Sun 3/7

11:05 am-11:13 pm

1 stop17h 08m

$788

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 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 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	$321
Fastest flight time	14h 54m
Direct flights	None

The best one-way flight to Lisbon from Louisville in the past 72 hours is $321. The best round-trip flight deal from Louisville to Lisbon found on momondo in the last 72 hours is $722.

The fastest flight from Louisville to Lisbon takes 14h 54m

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 54m, 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 October 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 23% and Delta at 18%.

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
American Airlines	PriceFrom $556	Free Cancellation	Rating 7.0 12,189 reviews	Search American Airlines flights
Delta	PriceFrom $587	Free Cancellation	Rating 7.8 8,681 reviews	Search Delta flights
United Airlines	PriceFrom $595	Free Cancellation	Rating 7.3 10,441 reviews	Search United Airlines flights

Sintra

Setúbal

Figueira da Foz

Nazaré

Evora

Estoril

Fátima

Óbidos

Ericeira

Sesimbra

Leiria

Batalha

Sines

Caldas da Rainha

Costa da Caparica

Comporta

Oeiras

Tomar

Torres Vedras

Peniche

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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 $321

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 2/28. 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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Lufthansa flights from Louisville to Lisbon

Our best Lufthansa deals on Louisville to Lisbon flight tickets

United Airlines flights from Louisville to Lisbon

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How to get the cheapest flight ticket from Louisville to 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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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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Fly your favorite airline to Lisbon

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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