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 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.

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 connection time from Louisville to Lisbon?

Newark (EWR) has the shortest average layover time for this route: 3h 29m.

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.

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 December 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.

$451 Cheap Flights from Louisville to Lisbon in 2025/26

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

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.

1:40 pm - 8:10 am

SDF

LIS

13h 30m1 stop

10:15 am - 7:31 pm

LIS

SDF

14h 16m1 stop

$451Lufthansa

Sun, Jan 25 - Sun, Feb 1

1:50 pm - 8:10 am

SDF

LIS

13h 20m1 stop

2:00 pm - 11:23 pm

LIS

SDF

14h 23m1 stop

$454Lufthansa

Thu, Jan 29 - Wed, Feb 4

1:50 pm - 8:10 am

SDF

LIS

13h 20m1 stop

10:15 am - 7:31 pm

LIS

SDF

14h 16m1 stop

$455Lufthansa

Fri, Jan 23 - Mon, Jan 26

1:32 pm - 12:05 pm

SDF

LIS

17h 33m2 stops

7:05 am - 11:19 pm

LIS

SDF

21h 14m2 stops

$472British Airways

Tue, Feb 3 - Wed, Feb 11

5:35 am - 8:00 am

SDF

LIS

21h 25m2 stops

5:00 am - 9:19 pm

LIS

SDF

21h 19m2 stops

$476Delta

Sun, Jan 25 - Sun, Feb 1

1:32 pm - 9:55 pm

SDF

LIS

27h 23m2 stops

12:55 pm - 6:39 pm

LIS

SDF

34h 44m2 stops

$481British Airways

Thu, Jan 15 - Mon, Jan 19

1:32 pm - 12:05 pm

SDF

LIS

17h 33m2 stops

12:55 pm - 11:19 pm

LIS

SDF

39h 24m2 stops

$483British Airways

Fri, Jan 23 - Mon, Jan 26

1:50 pm - 8:10 am

SDF

LIS

13h 20m1 stop

11:20 am - 1:05 pm

LIS

SDF

30h 45m2 stops

$489Multiple Airlines

Thu, Jan 29 - Wed, Feb 4

2:22 pm - 10:15 am

SDF

LIS

14h 53m1 stop

5:00 am - 10:30 pm

LIS

SDF

22h 30m2 stops

$490Lufthansa

Wed, Dec 31 - Sun, Jan 11

1:50 pm - 8:10 am

SDF

LIS

13h 20m1 stop

5:00 am - 7:43 pm

LIS

SDF

19h 43m2 stops

$492Lufthansa

Fri, Jan 23 - Mon, Jan 26

British Airways flights from Louisville to Lisbon

Our best British Airways deals on Louisville to Lisbon flight tickets

British Airways

Feb 3

SDF1:32 pmLouisville Intl

17h 33m

2 stops

LIS12:05 pmLisbon Humberto Delgado

Feb 11

LIS7:05 amLisbon Humberto Delgado

21h 14m

2 stops

SDF11:19 pmLouisville Intl

$472

Find similar

British Airways

Jan 15

SDF1:32 pmLouisville Intl

27h 23m

2 stops

LIS9:55 pmLisbon Humberto Delgado

Jan 19

LIS12:55 pmLisbon Humberto Delgado

34h 44m

2 stops

SDF6:39 pmLouisville Intl

$481

Find similar

British Airways

Jan 23

SDF1:32 pmLouisville Intl

17h 33m

2 stops

LIS12:05 pmLisbon Humberto Delgado

Jan 26

LIS12:55 pmLisbon Humberto Delgado

39h 24m

2 stops

SDF11:19 pmLouisville Intl

$483

Find similar

Lufthansa flights from Louisville to Lisbon

Our best Lufthansa deals on Louisville to Lisbon flight tickets

Lufthansa

Jan 25

SDF1:40 pmLouisville Intl

13h 30m

1 stop

LIS8:10 amLisbon Humberto Delgado

Feb 1

LIS10:15 amLisbon Humberto Delgado

14h 16m

1 stop

SDF7:31 pmLouisville Intl

$451

Find similar

Lufthansa

Jan 29

SDF1:50 pmLouisville Intl

13h 20m

1 stop

LIS8:10 amLisbon Humberto Delgado

Feb 4

LIS2:00 pmLisbon Humberto Delgado

14h 23m

1 stop

SDF11:23 pmLouisville Intl

$454

Find similar

Lufthansa

Jan 23

SDF1:50 pmLouisville Intl

13h 20m

1 stop

LIS8:10 amLisbon Humberto Delgado

Jan 26

LIS10:15 amLisbon Humberto Delgado

14h 16m

1 stop

SDF7:31 pmLouisville Intl

$455

Find similar

Fly from

Fly to

Route

Depart

Return

Price

LouisvilleLisbon

SDF - LIS

SDFLIS

Louisville Intl

Sun 1/25

1:40 pm-8:10 am

1 stop13h 30m

Lisbon Humberto Delgado

Sun 2/1

10:15 am-7:31 pm

1 stop14h 16m

$451

LouisvilleLisbon

SDF - LIS

SDFLIS

Louisville Intl

Thu 1/29

1:50 pm-8:10 am

1 stop13h 20m

Lisbon Humberto Delgado

Wed 2/4

2:00 pm-11:23 pm

1 stop14h 23m

$454

LouisvilleLisbon

SDF - LIS

SDFLIS

Louisville Intl

Fri 1/23

1:50 pm-8:10 am

1 stop13h 20m

Lisbon Humberto Delgado

Mon 1/26

10:15 am-7:31 pm

1 stop14h 16m

$455

LouisvilleLisbon

SDF - LIS

SDFLIS

Louisville Intl

Tue 2/3

1:32 pm-12:05 pm

2 stops17h 33m

Lisbon Humberto Delgado

Wed 2/11

7:05 am-11:19 pm

2 stops21h 14m

$472

LouisvilleLisbon

SDF - LIS

SDFLIS

Louisville Intl

Sun 1/25

5:35 am-8:00 am

2 stops21h 25m

Lisbon Humberto Delgado

Sun 2/1

5:00 am-9:19 pm

2 stops21h 19m

$476

LouisvilleLisbon

SDF - LIS

SDFLIS

Louisville Intl

Thu 1/15

1:32 pm-9:55 pm

2 stops27h 23m

Lisbon Humberto Delgado

Mon 1/19

12:55 pm-6:39 pm

2 stops34h 44m

$481

LouisvilleLisbon

SDF - LIS

SDFLIS

Louisville Intl

Fri 1/23

1:32 pm-12:05 pm

2 stops17h 33m

Lisbon Humberto Delgado

Mon 1/26

12:55 pm-11:19 pm

2 stops39h 24m

$483

LouisvilleLisbon

SDF - LIS

SDFLIS

Louisville Intl

Thu 1/29

1:50 pm-8:10 am

1 stop13h 20m

Lisbon Humberto Delgado

Wed 2/4

11:20 am-1:05 pm

2 stops30h 45m

$489

LouisvilleLisbon

SDF - LIS

SDFLIS

Louisville Intl

Wed 12/31

2:22 pm-10:15 am

1 stop14h 53m

Lisbon Humberto Delgado

Sun 1/11

5:00 am-10:30 pm

2 stops22h 30m

$490

LouisvilleLisbon

SDF - LIS

SDFLIS

Louisville Intl

Fri 1/23

1:50 pm-8:10 am

1 stop13h 20m

Lisbon Humberto Delgado

Mon 1/26

5:00 am-7:43 pm

2 stops19h 43m

$492

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 $641. 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

Fastest flight time	11h 26m
Direct flights	None

The fastest flight from Louisville to Lisbon takes 11h 26m

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

Search flight deals

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 11h 26m, 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 December 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 60% of all bookings. The subsequent popular airline is American Airlines at 40%.

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 9,066 reviews		Search United Airlines flights
American Airlines	PriceFrom $616	Free Cancellation	Rating 7.2 11,047 reviews		Search American Airlines flights

Sintra

Ericeira

Fátima

Nazaré

Oeiras

Setúbal

Peniche

Estoril

Leiria

Sesimbra

Tomar

Almada

Evora

Zambujeira do Mar

Figueira da Foz

Batalha

Comporta

Torres Vedras

Óbidos

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.

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.

Start using Trips

Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

1 adult

Sat 1/3

Sat 1/10

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Portugal

Airports servicing Portugal

Fly to other destinations from Louisville

Flights from Louisville Intl to Sarasota Bradenton Intl

Flights from Louisville Intl to Fort Lauderdale

Flights from Louisville Intl to Valparaiso Destin-Ft Walton Beach

Flights from Louisville Intl to Tampa St. Petersburg

Flights from Louisville Intl to Charleston

Flights from Louisville Intl to Chicago Midway

Cheap flights from Louisville to Lisbon from $451

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 1/25. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from Louisville to Lisbon

Cheap round-trip flights

Cheap one-way flights

British Airways flights from Louisville to Lisbon

Our best British Airways deals on Louisville to Lisbon flight tickets

Lufthansa flights from Louisville to Lisbon

Our best Lufthansa deals on Louisville to Lisbon flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Louisville to Lisbon that are best for you.

See travel insights to Lisbon from

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

Fastest flight time

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