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

British Airways, Lufthansa, 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: 3h 29m.

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

Washington, D.C. (IAD) was the most common stop: 50% 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 $1,075.

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 43% of people opting to fly with this airline when traveling to Lisbon. Keep in mind that there are 7 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 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 September 2025, 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.

$532 Cheap Flights from Louisville to Lisbon in 2025/26

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Find the cheapest flights from Louisville to Lisbon

Round-trip

One-way

Cheap round-trip flights

10:55 am - 9:20 amSDF-LIS

17h 25m2 stops

5:00 am - 10:29 pmLIS-SDF

22h 29m2 stops

$549United Airlines

Find Deal

Mon, Oct 20 - Tue, Nov 11

10:55 am - 9:20 amSDF-LIS

17h 25m2 stops

6:10 am - 10:29 pmLIS-SDF

21h 19m2 stops

$559United Airlines

Find Deal

Mon, Oct 20 - Wed, Nov 12

5:20 pm - 9:55 pmSDF-LIS

23h 35m2 stops

6:30 am - 8:19 pmLIS-SDF

18h 49m2 stops

$588British Airways

Find Deal

Mon, Nov 10 - Wed, Nov 19

7:20 pm - 9:50 pmSDF-LIS

21h 30m2 stops

5:00 am - 11:40 pmLIS-SDF

23h 40m2 stops

$595Lufthansa

Find Deal

Sun, Oct 12 - Tue, Nov 11

7:20 pm - 9:50 pmSDF-LIS

21h 30m2 stops

3:55 pm - 10:29 pmLIS-SDF

35h 34m2 stops

$596Lufthansa

Find Deal

Mon, Oct 20 - Mon, Nov 10

2:03 pm - 10:30 amSDF-LIS

15h 27m1 stop

5:00 am - 8:44 pmLIS-SDF

20h 44m2 stops

$599United Airlines

Find Deal

Thu, Oct 23 - Tue, Nov 11

5:20 pm - 6:55 pmSDF-LIS

20h 35m2 stops

6:30 am - 9:29 pmLIS-SDF

19h 59m2 stops

$611British Airways

Find Deal

Mon, Nov 10 - Thu, Nov 20

1:20 pm - 7:40 amSDF-LIS

14h 20m2 stops

11:05 am - 9:40 pmLIS-SDF

15h 35m1 stop

$619American Airlines

Find Deal

Fri, Oct 31 - Fri, Nov 7

7:33 am - 9:05 amSDF-LIS

20h 32m1 stop

6:30 am - 8:19 pmLIS-SDF

18h 49m2 stops

$643American Airlines

Find Deal

Wed, Oct 22 - Wed, Nov 12

11:05 am - 4:05 pmSDF-LIS

24h 00m2 stops

7:00 pm - 12:05 amLIS-SDF

34h 05m2 stops

$659Scandinavian Airlines

Find Deal

Sat, Dec 6 - Wed, Dec 10

British Airways flights from Louisville to Lisbon

Our best British Airways deals on Louisville to Lisbon flight tickets

British Airways

Nov 10

SDF5:20 pmLouisville Intl

23h 35m

2 stops

LIS9:55 pmLisbon Humberto Delgado

Nov 19

LIS6:30 amLisbon Humberto Delgado

18h 49m

2 stops

SDF8:19 pmLouisville Intl

$588

Find similar

British Airways

Nov 10

SDF5:20 pmLouisville Intl

20h 35m

2 stops

LIS6:55 pmLisbon Humberto Delgado

Nov 20

LIS6:30 amLisbon Humberto Delgado

19h 59m

2 stops

SDF9:29 pmLouisville Intl

$611

Find similar

American Airlines flights from Louisville to Lisbon

Our best American Airlines deals on Louisville to Lisbon flight tickets

American Airlines

Oct 31

SDF1:20 pmLouisville Intl

14h 20m

2 stops

LIS7:40 amLisbon Humberto Delgado

Nov 7

LIS11:05 amLisbon Humberto Delgado

15h 35m

1 stop

SDF9:40 pmLouisville Intl

$619

Find similar

American Airlines

Oct 22

SDF7:33 amLouisville Intl

20h 32m

1 stop

LIS9:05 amLisbon Humberto Delgado

Nov 12

LIS6:30 amLisbon Humberto Delgado

18h 49m

2 stops

SDF8:19 pmLouisville Intl

$643

Find similar

Fly from

Fly to

Route

Depart

Return

Price

LouisvilleLisbon

SDF - LIS

SDFLIS

Louisville Intl

Mon 10/20

10:55 am-9:20 am

2 stops17h 25m

Lisbon Humberto Delgado

Tue 11/11

5:00 am-10:29 pm

2 stops22h 29m

$549

LouisvilleLisbon

SDF - LIS

SDFLIS

Louisville Intl

Mon 10/20

10:55 am-9:20 am

2 stops17h 25m

Lisbon Humberto Delgado

Wed 11/12

6:10 am-10:29 pm

2 stops21h 19m

$559

LouisvilleLisbon

SDF - LIS

SDFLIS

Louisville Intl

Mon 11/10

5:20 pm-9:55 pm

2 stops23h 35m

Lisbon Humberto Delgado

Wed 11/19

6:30 am-8:19 pm

2 stops18h 49m

$588

LouisvilleLisbon

SDF - LIS

SDFLIS

Louisville Intl

Sun 10/12

7:20 pm-9:50 pm

2 stops21h 30m

Lisbon Humberto Delgado

Tue 11/11

5:00 am-11:40 pm

2 stops23h 40m

$595

LouisvilleLisbon

SDF - LIS

SDFLIS

Louisville Intl

Mon 10/20

7:20 pm-9:50 pm

2 stops21h 30m

Lisbon Humberto Delgado

Mon 11/10

3:55 pm-10:29 pm

2 stops35h 34m

$596

LouisvilleLisbon

SDF - LIS

SDFLIS

Louisville Intl

Thu 10/23

2:03 pm-10:30 am

1 stop15h 27m

Lisbon Humberto Delgado

Tue 11/11

5:00 am-8:44 pm

2 stops20h 44m

$599

LouisvilleLisbon

SDF - LIS

SDFLIS

Louisville Intl

Mon 11/10

5:20 pm-6:55 pm

2 stops20h 35m

Lisbon Humberto Delgado

Thu 11/20

6:30 am-9:29 pm

2 stops19h 59m

$611

LouisvilleLisbon

SDF - LIS

SDFLIS

Louisville Intl

Fri 10/31

1:20 pm-7:40 am

2 stops14h 20m

Lisbon Humberto Delgado

Fri 11/7

11:05 am-9:40 pm

1 stop15h 35m

$619

LouisvilleLisbon

SDF - LIS

SDFLIS

Louisville Intl

Wed 10/22

7:33 am-9:05 am

1 stop20h 32m

Lisbon Humberto Delgado

Wed 11/12

6:30 am-8:19 pm

2 stops18h 49m

$643

LouisvilleLisbon

SDF - LIS

SDFLIS

Louisville Intl

Sat 12/6

11:05 am-4:05 pm

2 stops24h 00m

Lisbon Humberto Delgado

Wed 12/10

7:00 pm-12:05 am

2 stops34h 05m

$659

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 14 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, 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 39% 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

Direct flights	None

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 14h 20m, 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 September 2025, 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 49% of all bookings. The subsequent popular airlines are American Airlines at 43% and Lufthansa at 8%.

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 $603	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
United Airlines	PriceFrom $618	Free Cancellation	Rating 7.4 8,926 reviews	Search United Airlines flights
Lufthansa	PriceFrom $1,014	Free Cancellation	Rating 6.8 7,415 reviews	Search Lufthansa flights

Sintra

Fátima

Ericeira

Nazaré

Oeiras

Setúbal

Peniche

Almada

Leiria

Tomar

Estoril

Sesimbra

Evora

Figueira da Foz

Zambujeira do Mar

Torres Vedras

Batalha

Óbidos

Comporta

Costa da Caparica

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

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Cheap flights from Louisville to Lisbon from $549

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 10/20. 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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British Airways flights from Louisville to Lisbon

Our best British Airways deals on Louisville to Lisbon flight tickets

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Our best American Airlines deals on Louisville to Lisbon flight tickets

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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 39% on your flight if you consider stops on a Louisville to Lisbon flight.

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

British Airways, Lufthansa, and Air Canada are the most popular carriers operating 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?

Washington, D.C. (IAD) was the most common stop: 50% 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 $1,075.

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

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