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

British Airways, Iberia, and Brussels Airlines 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.

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.

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.

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 39% 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.

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.

$331 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

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Cheap round-trip flights

Enter your travel dates to find the best prices.

6:30 am - 9:20 amSDF Louisville Intl-LIS Lisbon Humberto Delgado

21h 50m2 stops Newark Toronto Pearson Intl

5:00 am - 6:04 pmLIS Lisbon Humberto Delgado-SDF Louisville Intl

18h 04m2 stops Frankfurt am Main Chicago O'Hare Intl

$711Multiple Airlines

Mon, Feb 15 - Fri, Feb 19

6:30 am - 8:10 amSDF Louisville Intl-LIS Lisbon Humberto Delgado

20h 40m1 stop Newark

10:55 am - 6:04 pmLIS Lisbon Humberto Delgado-SDF Louisville Intl

36h 09m2 stops Montreal Pierre Elliott Trudeau Intl Chicago O'Hare Intl

$717United Airlines

Mon, Feb 15 - Fri, Feb 19

9:00 am - 9:20 amSDF Louisville Intl-LIS Lisbon Humberto Delgado

43h 20m3 stops Chicago O'Hare Intl Ottawa Toronto Pearson Intl

10:55 am - 6:57 pmLIS Lisbon Humberto Delgado-SDF Louisville Intl

37h 02m2 stops Montreal Pierre Elliott Trudeau Intl Newark

$721Multiple Airlines

Mon, Feb 15 - Fri, Feb 19

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

18h 25m1 stop Newark

10:15 am - 6:57 pmLIS Lisbon Humberto Delgado-SDF Louisville Intl

13h 42m1 stop Newark

$737United Airlines

Mon, Feb 15 - Fri, Feb 19

1:17 pm - 12:05 pmSDF Louisville Intl-LIS Lisbon Humberto Delgado

17h 48m2 stops Chicago O'Hare Intl London Heathrow

8:45 pm - 10:23 amLIS Lisbon Humberto Delgado-SDF Louisville Intl

18h 38m2 stops Madrid Barajas Dallas/Fort Worth

$747Multiple Airlines

Wed, Nov 25 - Wed, Dec 2

10:00 am - 10:05 amSDF Louisville Intl-LIS Lisbon Humberto Delgado

19h 05m1 stop Washington, D.C. Dulles Intl

10:50 am - 4:54 pmLIS Lisbon Humberto Delgado-SDF Louisville Intl

35h 04m2 stops Toronto Pearson Intl Chicago O'Hare Intl

$772United Airlines

Sun, Feb 28 - Sun, Mar 7

7:30 am - 9:05 amSDF Louisville Intl-LIS Lisbon Humberto Delgado

20h 35m1 stop Philadelphia

8:20 am - 9:37 pmLIS Lisbon Humberto Delgado-SDF Louisville Intl

18h 17m2 stops Madrid Barajas Chicago O'Hare Intl

$793American Airlines

Thu, Nov 26 - Thu, Dec 3

7:30 am - 9:05 amSDF Louisville Intl-LIS Lisbon Humberto Delgado

20h 35m1 stop Philadelphia

10:25 am - 10:34 pmLIS Lisbon Humberto Delgado-SDF Louisville Intl

17h 09m1 stop Philadelphia

$799American Airlines

Thu, Nov 26 - Thu, Dec 3

1:30 pm - 9:00 amSDF Louisville Intl-LIS Lisbon Humberto Delgado

14h 30m1 stop Boston Logan Intl

5:00 am - 10:53 pmLIS Lisbon Humberto Delgado-SDF Louisville Intl

22h 53m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson

$1,174Delta

Tue, Nov 17 - Sat, Nov 28

3:00 pm - 11:25 amSDF Louisville Intl-LIS Lisbon Humberto Delgado

15h 25m2 stops Atlanta Hartsfield-Jackson Paris Charles de Gaulle

5:00 am - 10:53 pmLIS Lisbon Humberto Delgado-SDF Louisville Intl

22h 53m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson

$1,177Delta

Tue, Nov 17 - Sat, Nov 28

Cheap last minute flights

Enter your travel dates to find the best prices.

12:33 pm - 9:05 amSDF Louisville Intl-LIS Lisbon Humberto Delgado

15h 32m1 stop Philadelphia

11:05 am - 10:07 pmLIS Lisbon Humberto Delgado-SDF Louisville Intl

15h 02m1 stop Philadelphia

$1,023American Airlines

Thu, Oct 15 - Mon, Oct 26

12:46 pm - 9:05 amSDF Louisville Intl-LIS Lisbon Humberto Delgado

15h 19m2 stops Chicago O'Hare Intl Philadelphia

11:05 am - 12:08 amLIS Lisbon Humberto Delgado-SDF Louisville Intl

17h 03m2 stops Philadelphia Charlotte Douglas

$1,028American Airlines

Thu, Oct 15 - Mon, Oct 26

10:16 am - 9:05 amSDF Louisville Intl-LIS Lisbon Humberto Delgado

17h 49m2 stops Chicago O'Hare Intl Philadelphia

11:05 am - 10:07 pmLIS Lisbon Humberto Delgado-SDF Louisville Intl

15h 02m1 stop Philadelphia

$1,028American Airlines

Thu, Oct 15 - Mon, Oct 26

12:33 pm - 9:05 amSDF Louisville Intl-LIS Lisbon Humberto Delgado

15h 32m1 stop Philadelphia

11:05 am - 10:07 pmLIS Lisbon Humberto Delgado-SDF Louisville Intl

15h 02m1 stop Philadelphia

$1,107American Airlines

Thu, Oct 15 - Mon, Oct 26

11:13 am - 8:20 amSDF Louisville Intl-LIS Lisbon Humberto Delgado

16h 07m1 stop Newark

11:55 am - 7:30 pmLIS Lisbon Humberto Delgado-SDF Louisville Intl

11h 35m1 stop Washington, D.C. Dulles Intl

$1,113United Airlines

Thu, Oct 15 - Mon, Oct 26

9:04 am - 9:20 amSDF Louisville Intl-LIS Lisbon Humberto Delgado

19h 16m2 stops Chicago O'Hare Intl Montreal Pierre Elliott Trudeau Intl

11:55 am - 7:30 pmLIS Lisbon Humberto Delgado-SDF Louisville Intl

11h 35m1 stop Washington, D.C. Dulles Intl

$1,117United Airlines

Thu, Oct 15 - Mon, Oct 26

10:25 am - 8:20 amSDF Louisville Intl-LIS Lisbon Humberto Delgado

16h 55m2 stops Chicago O'Hare Intl Newark

11:55 am - 5:02 pmLIS Lisbon Humberto Delgado-SDF Louisville Intl

33h 07m2 stops Washington, D.C. Dulles Intl Chicago O'Hare Intl

$1,131United Airlines

Thu, Oct 15 - Mon, Oct 26

10:25 am - 9:20 amSDF Louisville Intl-LIS Lisbon Humberto Delgado

17h 55m3 stops Chicago O'Hare Intl Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl

11:20 am - 10:30 pmLIS Lisbon Humberto Delgado-SDF Louisville Intl

15h 10m2 stops Toronto Pearson Intl Chicago O'Hare Intl

$1,584Multiple Airlines

Thu, Oct 15 - Mon, Oct 26

2:12 pm - 10:30 amSDF Louisville Intl-LIS Lisbon Humberto Delgado

15h 18m1 stop Washington, D.C. Dulles Intl

6:00 pm - 11:41 pmLIS Lisbon Humberto Delgado-SDF Louisville Intl

34h 41m2 stops Porto Newark

$1,589Lufthansa

Tue, Oct 20 - Wed, Oct 21

9:04 am - 9:20 amSDF Louisville Intl-LIS Lisbon Humberto Delgado

19h 16m2 stops Chicago O'Hare Intl Montreal Pierre Elliott Trudeau Intl

11:25 am - 5:40 pmLIS Lisbon Humberto Delgado-SDF Louisville Intl

35h 15m2 stops Montreal Pierre Elliott Trudeau Intl Chicago O'Hare Intl

$1,596Air Canada

Tue, Oct 20 - Wed, Oct 21

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American Airlines flights from Louisville to Lisbon

Our best American Airlines deals on Louisville to Lisbon flight tickets

American Airlines

Nov 26

SDF7:30 amLouisville Intl

20h 35m

1 stop

LIS9:05 amLisbon Humberto Delgado

Dec 3

LIS10:25 amLisbon Humberto Delgado

17h 09m

1 stop

SDF10:34 pmLouisville Intl

$799

American Airlines

Mar 6

SDF6:16 pmLouisville Intl

15h 39m

2 stops

LIS2:55 pmLisbon Humberto Delgado

Mar 20

LIS11:05 amLisbon Humberto Delgado

16h 08m

1 stop

SDF11:13 pmLouisville Intl

$911

American Airlines

Oct 15

SDF12:33 pmLouisville Intl

15h 32m

1 stop

LIS9:05 amLisbon Humberto Delgado

Oct 26

LIS11:05 amLisbon Humberto Delgado

15h 02m

1 stop

SDF10:07 pmLouisville Intl

$1,023

Lufthansa flights from Louisville to Lisbon

Our best Lufthansa deals on Louisville to Lisbon flight tickets

Lufthansa

Mar 7

SDF1:00 pmLouisville Intl

14h 10m

1 stop

LIS8:10 amLisbon Humberto Delgado

Mar 21

LIS10:50 amLisbon Humberto Delgado

34h 40m

1 stop

SDF5:30 pmLouisville Intl

$878

Lufthansa

Oct 20

SDF2:12 pmLouisville Intl

15h 18m

1 stop

LIS10:30 amLisbon Humberto Delgado

Oct 21

LIS6:00 pmLisbon Humberto Delgado

34h 41m

2 stops

SDF11:41 pmLouisville Intl

$1,589

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LouisvilleLisbon

SDF Louisville Intl - LIS Lisbon Humberto Delgado

SDFLIS

Louisville Intl

Mon 2/15

6:30 am-9:20 am

2 stops21h 50m

Lisbon Humberto Delgado

Fri 2/19

5:00 am-6:04 pm

2 stops18h 04m

$711

LouisvilleLisbon

SDF Louisville Intl - LIS Lisbon Humberto Delgado

SDFLIS

Louisville Intl

Mon 2/15

6:30 am-8:10 am

1 stop20h 40m

Lisbon Humberto Delgado

Fri 2/19

10:55 am-6:04 pm

2 stops36h 09m

$717

LouisvilleLisbon

SDF Louisville Intl - LIS Lisbon Humberto Delgado

SDFLIS

Louisville Intl

Mon 2/15

9:00 am-9:20 am

3 stops43h 20m

Lisbon Humberto Delgado

Fri 2/19

10:55 am-6:57 pm

2 stops37h 02m

$721

Quickest round-trip

LouisvilleLisbon

SDF Louisville Intl - LIS Lisbon Humberto Delgado

SDFLIS

Louisville Intl

Mon 2/15

8:45 am-8:10 am

1 stop18h 25m

Lisbon Humberto Delgado

Fri 2/19

10:15 am-6:57 pm

1 stop13h 42m

$737

LouisvilleLisbon

SDF Louisville Intl - LIS Lisbon Humberto Delgado

SDFLIS

Louisville Intl

Wed 11/25

1:17 pm-12:05 pm

2 stops17h 48m

Lisbon Humberto Delgado

Wed 12/2

8:45 pm-10:23 am

2 stops18h 38m

$747

LouisvilleLisbon

SDF Louisville Intl - LIS Lisbon Humberto Delgado

SDFLIS

Louisville Intl

Sun 2/28

10:00 am-10:05 am

1 stop19h 05m

Lisbon Humberto Delgado

Sun 3/7

10:50 am-4:54 pm

2 stops35h 04m

$772

LouisvilleLisbon

SDF Louisville Intl - LIS Lisbon Humberto Delgado

SDFLIS

Louisville Intl

Thu 11/26

7:30 am-9:05 am

1 stop20h 35m

Lisbon Humberto Delgado

Thu 12/3

8:20 am-9:37 pm

2 stops18h 17m

$793

LouisvilleLisbon

SDF Louisville Intl - LIS Lisbon Humberto Delgado

SDFLIS

Louisville Intl

Thu 11/26

7:30 am-9:05 am

1 stop20h 35m

Lisbon Humberto Delgado

Thu 12/3

10:25 am-10:34 pm

1 stop17h 09m

$799

LouisvilleLisbon

SDF Louisville Intl - LIS Lisbon Humberto Delgado

SDFLIS

Louisville Intl

Tue 11/17

1:30 pm-9:00 am

1 stop14h 30m

Lisbon Humberto Delgado

Sat 11/28

5:00 am-10:53 pm

2 stops22h 53m

$1,174

LouisvilleLisbon

SDF Louisville Intl - LIS Lisbon Humberto Delgado

SDFLIS

Louisville Intl

Tue 11/17

3:00 pm-11:25 am

2 stops15h 25m

Lisbon Humberto Delgado

Sat 11/28

5:00 am-10:53 pm

2 stops22h 53m

$1,177

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 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?

Prices are currently low for flights on this route.

Typical prices usually range from $1,059 to $1,438.
The lowest price recently found on this route was $747.

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	$331
Fastest flight time	13h 05m
Direct flights	None

The best one-way flight to Lisbon from Louisville in the past 72 hours is $331. The best round-trip flight deal from Louisville to Lisbon found on momondo in the last 72 hours is $711.

The fastest flight from Louisville to Lisbon takes 13h 05m

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 13h 05m, 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 24% and Delta at 17%.

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 10,362 reviews	Search United Airlines flights
Delta	PriceFrom $587	Free Cancellation	Rating 7.8 8,650 reviews	Search Delta flights
American Airlines	PriceFrom $606	Free Cancellation	Rating 7.0 12,165 reviews	Search American Airlines flights

Sintra

Setúbal

Figueira da Foz

Nazaré

Evora

Estoril

Fátima

Óbidos

Sesimbra

Batalha

Leiria

Sines

Caldas da Rainha

Comporta

Ericeira

Oeiras

Costa da Caparica

Tomar

Torres Vedras

Beja

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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 $331

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 4/12. 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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American Airlines flights from Louisville to Lisbon

Our best American Airlines deals on Louisville to Lisbon flight tickets

Lufthansa flights from Louisville to Lisbon

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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

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

Airports servicing Portugal

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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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