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.

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 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 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 offers the lowest fares from Louisville to Lisbon?

Flights via Philadelphia (PHL) offer the lowest average round-trip price of $937.

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 November 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.

$479 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.

6:28 am - 9:20 amSDF-LIS

21h 52m2 stops

11:20 am - 7:31 pmLIS-SDF

37h 11m2 stops

$479Air Canada

Find Deal

Thu, Jan 15 - Mon, Jan 19

5:35 am - 9:20 amSDF-LIS

22h 45m2 stops

11:20 am - 10:30 pmLIS-SDF

40h 10m2 stops

$489United Airlines

Find Deal

Thu, Jan 15 - Mon, Jan 19

9:50 am - 10:15 amSDF-LIS

19h 25m1 stop

7:25 am - 8:21 pmLIS-SDF

17h 56m2 stops

$492United Airlines

Find Deal

Sun, Mar 1 - Tue, Mar 31

9:00 am - 10:15 amSDF-LIS

20h 15m2 stops

5:05 am - 4:51 pmLIS-SDF

16h 46m2 stops

$497United Airlines

Find Deal

Sun, Mar 1 - Tue, Mar 31

9:50 am - 9:20 amSDF-LIS

42h 30m2 stops

5:00 am - 10:13 pmLIS-SDF

22h 13m2 stops

$498United Airlines

Find Deal

Sat, Feb 14 - Sun, Feb 22

5:45 pm - 11:35 amSDF-LIS

37h 50m2 stops

5:05 am - 11:55 pmLIS-SDF

23h 50m2 stops

$512Lufthansa

Find Deal

Sat, Mar 21 - Mon, Mar 30

1:50 pm - 8:10 amSDF-LIS

13h 20m1 stop

6:30 pm - 10:30 pmLIS-SDF

33h 00m2 stops

$513Lufthansa

Find Deal

Thu, Jan 15 - Mon, Jan 19

11:10 am - 9:20 amSDF-LIS

17h 10m3 stops

11:20 am - 10:30 pmLIS-SDF

16h 10m2 stops

$519Multiple Airlines

Find Deal

Thu, Jan 15 - Mon, Jan 19

5:45 pm - 10:50 pmSDF-LIS

25h 05m2 stops

5:05 am - 11:55 pmLIS-SDF

23h 50m2 stops

$596Lufthansa

Find Deal

Sun, Mar 22 - Mon, Mar 30

9:00 am - 9:20 amSDF-LIS

19h 20m2 stops

12:25 pm - 11:32 pmLIS-SDF

40h 07m2 stops

$602Multiple Airlines

Find Deal

Thu, Dec 4 - Mon, Dec 8

Air Canada flights from Louisville to Lisbon

Our best Air Canada deals on Louisville to Lisbon flight tickets

Air Canada

Jan 15

SDF6:28 amLouisville Intl

21h 52m

2 stops

LIS9:20 amLisbon Humberto Delgado

Jan 19

LIS11:20 amLisbon Humberto Delgado

37h 11m

2 stops

SDF7:31 pmLouisville Intl

$479

Find similar

Air Canada

Mar 5

SDF6:00 amLouisville Intl

20h 55m

2 stops

LIS7:55 amLisbon Humberto Delgado

Mar 12

LIS11:20 amLisbon Humberto Delgado

36h 11m

2 stops

SDF7:31 pmLouisville Intl

$569

Find similar

United Airlines flights from Louisville to Lisbon

Our best United Airlines deals on Louisville to Lisbon flight tickets

United Airlines

Jan 28

SDF2:05 pmLouisville Intl

38h 15m

2 stops

LIS9:20 amLisbon Humberto Delgado

Feb 1

LIS10:50 amLisbon Humberto Delgado

38h 38m

2 stops

SDF8:28 pmLouisville Intl

$489

Find similar

United Airlines

Jan 28

SDF8:29 amLouisville Intl

18h 41m

2 stops

LIS8:10 amLisbon Humberto Delgado

Feb 1

LIS10:15 amLisbon Humberto Delgado

14h 16m

1 stop

SDF7:31 pmLouisville Intl

$607

Find similar

United Airlines

Dec 14

SDF7:00 amLouisville Intl

22h 15m

2 stops

LIS10:15 amLisbon Humberto Delgado

Dec 24

LIS11:00 amLisbon Humberto Delgado

35h 28m

2 stops

SDF5:28 pmLouisville Intl

$744

Find similar

Fly from

Fly to

Route

Depart

Return

Price

LouisvilleLisbon

SDF - LIS

SDFLIS

Louisville Intl

Thu 1/15

6:28 am-9:20 am

2 stops21h 52m

Lisbon Humberto Delgado

Mon 1/19

11:20 am-7:31 pm

2 stops37h 11m

$479

LouisvilleLisbon

SDF - LIS

SDFLIS

Louisville Intl

Thu 1/15

5:35 am-9:20 am

2 stops22h 45m

Lisbon Humberto Delgado

Mon 1/19

11:20 am-10:30 pm

2 stops40h 10m

$489

LouisvilleLisbon

SDF - LIS

SDFLIS

Louisville Intl

Sun 3/1

9:50 am-10:15 am

1 stop19h 25m

Lisbon Humberto Delgado

Tue 3/31

7:25 am-8:21 pm

2 stops17h 56m

$492

LouisvilleLisbon

SDF - LIS

SDFLIS

Louisville Intl

Sun 3/1

9:00 am-10:15 am

2 stops20h 15m

Lisbon Humberto Delgado

Tue 3/31

5:05 am-4:51 pm

2 stops16h 46m

$497

LouisvilleLisbon

SDF - LIS

SDFLIS

Louisville Intl

Sat 2/14

9:50 am-9:20 am

2 stops42h 30m

Lisbon Humberto Delgado

Sun 2/22

5:00 am-10:13 pm

2 stops22h 13m

$498

LouisvilleLisbon

SDF - LIS

SDFLIS

Louisville Intl

Sat 3/21

5:45 pm-11:35 am

2 stops37h 50m

Lisbon Humberto Delgado

Mon 3/30

5:05 am-11:55 pm

2 stops23h 50m

$512

LouisvilleLisbon

SDF - LIS

SDFLIS

Louisville Intl

Thu 1/15

1:50 pm-8:10 am

1 stop13h 20m

Lisbon Humberto Delgado

Mon 1/19

6:30 pm-10:30 pm

2 stops33h 00m

$513

LouisvilleLisbon

SDF - LIS

SDFLIS

Louisville Intl

Thu 1/15

11:10 am-9:20 am

3 stops17h 10m

Lisbon Humberto Delgado

Mon 1/19

11:20 am-10:30 pm

2 stops16h 10m

$519

LouisvilleLisbon

SDF - LIS

SDFLIS

Louisville Intl

Sun 3/22

5:45 pm-10:50 pm

2 stops25h 05m

Lisbon Humberto Delgado

Mon 3/30

5:05 am-11:55 pm

2 stops23h 50m

$596

LouisvilleLisbon

SDF - LIS

SDFLIS

Louisville Intl

Thu 12/4

9:00 am-9:20 am

2 stops19h 20m

Lisbon Humberto Delgado

Mon 12/8

12:25 pm-11:32 pm

2 stops40h 07m

$602

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, January 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 $666. If you are unable to visit Lisbon during the month of January, then departing from Louisville during the month March is also very affordable. Most momondo users find prices during this month for around $703.

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

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 10h 29m, 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 November 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 58% of all bookings. The subsequent popular airline is American Airlines at 42%.

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 9,028 reviews		Search United Airlines flights
American Airlines	PriceFrom $616	Free Cancellation	Rating 7.2 11,047 reviews		Search American Airlines flights

Sintra

Fátima

Ericeira

Nazaré

Oeiras

Setúbal

Peniche

Estoril

Leiria

Sesimbra

Tomar

Almada

Evora

Zambujeira do Mar

Figueira da Foz

Batalha

Óbidos

Torres Vedras

Comporta

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 12/20

Sat 12/27

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 Tampa St. Petersburg

Flights from Louisville Intl to Valparaiso Destin-Ft Walton Beach

Flights from Louisville Intl to Sarasota Bradenton Intl

Flights from Louisville Intl to Fort Lauderdale

Flights from Louisville Intl to Fort Myers SW Florida Intl

Flights from Louisville Intl to Charleston

Cheap flights from Louisville to Lisbon from $479

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 1/15. 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

Air Canada flights from Louisville to Lisbon

Our best Air Canada deals on Louisville to Lisbon flight tickets

United Airlines flights from Louisville to Lisbon

Our best United Airlines 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

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