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

Philadelphia (PHL) was the most common stop: 40% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport has the shortest connection time from Louisville to Lisbon?

Washington, D.C. (IAD) has the shortest average layover time for this route: 4h 01m.

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 40% 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 offers the lowest fares from Louisville to Lisbon?

Flights via Philadelphia (PHL) offer the lowest average round-trip price of $600.

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 32m.

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 July 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

Q: 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 $1,057 to $1,357. The lowest price recently found on this route was $784.

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.

6:12 pm - 9:20 am

SDF

LIS

35h 08m

2 stops

10:40 am - 7:01 pm

LIS

SDF

37h 21m

2 stops

$784Air Canada

Sat, Oct 31 - Sun, Nov 8

10:05 am - 10:30 am

SDF

LIS

19h 25m

1 stop

11:25 am - 7:11 pm

LIS

SDF

36h 46m

2 stops

$786United Airlines

Mon, Sep 21 - Thu, Oct 1

5:15 am - 9:20 am

SDF

LIS

23h 05m

2 stops

11:25 am - 7:11 pm

LIS

SDF

36h 46m

2 stops

$789United Airlines

Mon, Sep 21 - Thu, Oct 1

7:10 am - 10:30 am

SDF

LIS

22h 20m

2 stops

11:25 am - 7:11 pm

LIS

SDF

36h 46m

2 stops

$790United Airlines

Mon, Sep 21 - Thu, Oct 1

6:00 am - 10:30 am

SDF

LIS

23h 30m

1 stop

1:00 pm - 7:11 pm

LIS

SDF

35h 11m

2 stops

$791United Airlines

Mon, Sep 21 - Tue, Oct 13

9:00 am - 9:20 am

SDF

LIS

19h 20m

2 stops

1:00 pm - 1:15 pm

LIS

SDF

29h 15m

2 stops

$793Air Canada

Tue, Sep 22 - Fri, Oct 16

10:05 am - 10:30 am

SDF

LIS

19h 25m

1 stop

5:05 am - 11:59 pm

LIS

SDF

23h 54m

2 stops

$794United Airlines

Mon, Sep 21 - Thu, Oct 15

1:07 pm - 9:20 am

SDF

LIS

15h 13m

2 stops

5:05 am - 11:59 pm

LIS

SDF

23h 54m

2 stops

$797United Airlines

Wed, Sep 23 - Thu, Oct 15

1:07 pm - 9:20 am

SDF

LIS

15h 13m

2 stops

5:05 am - 7:11 pm

LIS

SDF

19h 06m

2 stops

$798United Airlines

Wed, Sep 23 - Thu, Oct 1

10:05 am - 10:30 am

SDF

LIS

19h 25m

1 stop

10:25 am - 11:49 pm

LIS

SDF

18h 24m

1 stop

$805Lufthansa

Mon, Sep 21 - Thu, Oct 1

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Delta flights from Louisville to Lisbon

Our best Delta deals on Louisville to Lisbon flight tickets

Delta

Sep 22

SDF11:45 amLouisville Intl

18h 00m

2 stops

LIS10:45 amLisbon Humberto Delgado

Oct 15

LIS10:00 amLisbon Humberto Delgado

16h 14m

2 stops

SDF9:14 pmLouisville Intl

$810

Delta

Oct 31

SDF1:50 pmLouisville Intl

15h 10m

1 stop

LIS9:00 amLisbon Humberto Delgado

Nov 8

LIS5:00 amLisbon Humberto Delgado

22h 46m

2 stops

SDF10:46 pmLouisville Intl

$835

Delta

Sep 22

SDF4:29 pmLouisville Intl

17h 26m

2 stops

LIS2:55 pmLisbon Humberto Delgado

Sep 27

LIS5:35 amLisbon Humberto Delgado

20h 41m

2 stops

SDF9:16 pmLouisville Intl

$866

British Airways flights from Louisville to Lisbon

Our best British Airways deals on Louisville to Lisbon flight tickets

British Airways

Sep 21

SDF5:59 pmLouisville Intl

16h 46m

2 stops

LIS3:45 pmLisbon Humberto Delgado

Oct 13

LIS7:10 amLisbon Humberto Delgado

19h 25m

2 stops

SDF9:35 pmLouisville Intl

$953

British Airways

Jul 16

SDF7:37 amLouisville Intl

20h 28m

1 stop

LIS9:05 amLisbon Humberto Delgado

Jul 29

LIS11:05 amLisbon Humberto Delgado

16h 58m

1 stop

SDF11:03 pmLouisville Intl

$6,844

British Airways

Jul 16

SDF12:12 pmLouisville Intl

15h 53m

1 stop

LIS9:05 amLisbon Humberto Delgado

Jul 27

LIS6:45 pmLisbon Humberto Delgado

32h 19m

2 stops

SDF10:04 pmLouisville Intl

$6,903

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LouisvilleLisbon

SDF - LIS

SDFLIS

Louisville Intl

Sat 10/31

6:12 pm-9:20 am

2 stops35h 08m

Lisbon Humberto Delgado

Sun 11/8

10:40 am-7:01 pm

2 stops37h 21m

$784

LouisvilleLisbon

SDF - LIS

SDFLIS

Louisville Intl

Mon 9/21

10:05 am-10:30 am

1 stop19h 25m

Lisbon Humberto Delgado

Thu 10/1

11:25 am-7:11 pm

2 stops36h 46m

$786

LouisvilleLisbon

SDF - LIS

SDFLIS

Louisville Intl

Mon 9/21

5:15 am-9:20 am

2 stops23h 05m

Lisbon Humberto Delgado

Thu 10/1

11:25 am-7:11 pm

2 stops36h 46m

$789

LouisvilleLisbon

SDF - LIS

SDFLIS

Louisville Intl

Mon 9/21

7:10 am-10:30 am

2 stops22h 20m

Lisbon Humberto Delgado

Thu 10/1

11:25 am-7:11 pm

2 stops36h 46m

$790

LouisvilleLisbon

SDF - LIS

SDFLIS

Louisville Intl

Mon 9/21

6:00 am-10:30 am

1 stop23h 30m

Lisbon Humberto Delgado

Tue 10/13

1:00 pm-7:11 pm

2 stops35h 11m

$791

LouisvilleLisbon

SDF - LIS

SDFLIS

Louisville Intl

Tue 9/22

9:00 am-9:20 am

2 stops19h 20m

Lisbon Humberto Delgado

Fri 10/16

1:00 pm-1:15 pm

2 stops29h 15m

$793

LouisvilleLisbon

SDF - LIS

SDFLIS

Louisville Intl

Mon 9/21

10:05 am-10:30 am

1 stop19h 25m

Lisbon Humberto Delgado

Thu 10/15

5:05 am-11:59 pm

2 stops23h 54m

$794

LouisvilleLisbon

SDF - LIS

SDFLIS

Louisville Intl

Wed 9/23

1:07 pm-9:20 am

2 stops15h 13m

Lisbon Humberto Delgado

Thu 10/15

5:05 am-11:59 pm

2 stops23h 54m

$797

Quickest round-trip

LouisvilleLisbon

SDF - LIS

SDFLIS

Louisville Intl

Wed 9/23

1:07 pm-9:20 am

2 stops15h 13m

Lisbon Humberto Delgado

Thu 10/1

5:05 am-7:11 pm

2 stops19h 06m

$798

LouisvilleLisbon

SDF - LIS

SDFLIS

Louisville Intl

Mon 9/21

10:05 am-10:30 am

1 stop19h 25m

Lisbon Humberto Delgado

Thu 10/1

10:25 am-11:49 pm

1 stop18h 24m

$805

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?

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

Fastest flight time	14h 48m
Direct flights	None

The fastest flight from Louisville to Lisbon takes 14h 48m

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

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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 48m, 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 July 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 55% of all bookings. The subsequent popular airlines are American Airlines at 29% 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 9,927 reviews	Search United Airlines flights
Delta	PriceFrom $587	Free Cancellation	Rating 7.8 8,453 reviews	Search Delta flights
American Airlines	PriceFrom $606	Free Cancellation	Rating 7.1 11,764 reviews	Search American Airlines flights

Sintra

Ericeira

Fátima

Nazaré

Setúbal

Figueira da Foz

Estoril

Peniche

Evora

Oeiras

Leiria

Batalha

Óbidos

Sesimbra

Zambujeira do Mar

Costa da Caparica

Tomar

Sines

Torres Vedras

Comporta

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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 $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 10/14. 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

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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

Find info about flight duration, direct flights, and airports for your flight from Louisville to Lisbon

Fastest flight time

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

Cabin classes currently available on flights to Lisbon

List of cabin classes available on flights landing in Lisbon. Availability may vary depending on flight origin and airline.

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