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 37% 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.

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

American Airlines, Air Canada, and Aer Lingus are the most popular carriers operating from Louisville Intl to Lisbon Humberto Delgado

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 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.

$369 Cheap Flights from Louisville to Lisbon in 2025

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 $963 to $1,341. The lowest price recently found on this route was $582.

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Find the cheapest flights from Louisville to Lisbon

Round-trip

One-way

Cheap round-trip flights

1:55 pm - 9:20 amSDF-LIS

14h 25m2 stops

11:20 am - 12:29 pmLIS-SDF

30h 09m2 stops

$582United Airlines

Find Deal

Tue, Nov 4 - Tue, Nov 11

2:35 pm - 10:15 amSDF-LIS

14h 40m1 stop

11:55 am - 7:27 pmLIS-SDF

12h 32m1 stop

$605United Airlines

Find Deal

Tue, Nov 4 - Tue, Nov 11

9:55 am - 10:15 amSDF-LIS

19h 20m1 stop

10:50 am - 8:14 pmLIS-SDF

38h 24m2 stops

$639United Airlines

Find Deal

Wed, Nov 12 - Sun, Nov 23

11:10 am - 8:55 amSDF-LIS

16h 45m2 stops

10:50 am - 12:29 pmLIS-SDF

30h 39m2 stops

$645Air Canada

Find Deal

Wed, Nov 12 - Sun, Nov 23

4:30 pm - 3:10 pmSDF-LIS

17h 40m2 stops

5:00 am - 7:01 pmLIS-SDF

19h 01m2 stops

$678Delta

Find Deal

Fri, Nov 7 - Sun, Nov 16

11:25 am - 9:20 amSDF-LIS

16h 55m2 stops

11:25 am - 1:17 pmLIS-SDF

30h 52m2 stops

$734Air Canada

Find Deal

Tue, Aug 12 - Wed, Sep 3

3:20 pm - 10:45 amSDF-LIS

14h 25m1 stop

9:50 am - 10:46 pmLIS-SDF

17h 56m2 stops

$826Delta

Find Deal

Sun, Aug 17 - Sun, Aug 31

3:34 pm - 9:05 amSDF-LIS

12h 31m1 stop

11:05 am - 9:38 pmLIS-SDF

15h 33m1 stop

$943American Airlines

Find Deal

Sat, Aug 2 - Tue, Aug 12

10:55 am - 9:05 amSDF-LIS

17h 10m1 stop

11:05 am - 9:46 pmLIS-SDF

15h 41m2 stops

$948American Airlines

Find Deal

Sat, Aug 2 - Tue, Aug 12

1:35 pm - 8:10 amSDF-LIS

13h 35m1 stop

11:55 am - 7:06 pmLIS-SDF

12h 11m1 stop

$999Lufthansa

Find Deal

Sat, Dec 6 - Wed, Dec 10

United Airlines flights from Louisville to Lisbon

Our best United Airlines deals on Louisville to Lisbon flight tickets

United Airlines

Nov 4

SDF1:55 pmLouisville Intl

14h 25m

2 stops

LIS9:20 amLisbon Humberto Delgado

Nov 11

LIS11:20 amLisbon Humberto Delgado

30h 09m

2 stops

SDF12:29 pmLouisville Intl

$582

Find similar

United Airlines

Nov 4

SDF2:35 pmLouisville Intl

14h 40m

1 stop

LIS10:15 amLisbon Humberto Delgado

Nov 11

LIS11:55 amLisbon Humberto Delgado

12h 32m

1 stop

SDF7:27 pmLouisville Intl

$605

Find similar

United Airlines

Nov 12

SDF9:55 amLouisville Intl

19h 20m

1 stop

LIS10:15 amLisbon Humberto Delgado

Nov 23

LIS10:50 amLisbon Humberto Delgado

38h 24m

2 stops

SDF8:14 pmLouisville Intl

$639

Find similar

Air Canada flights from Louisville to Lisbon

Our best Air Canada deals on Louisville to Lisbon flight tickets

Air Canada

Nov 12

SDF11:10 amLouisville Intl

16h 45m

2 stops

LIS8:55 amLisbon Humberto Delgado

Nov 23

LIS10:50 amLisbon Humberto Delgado

30h 39m

2 stops

SDF12:29 pmLouisville Intl

$645

Find similar

Air Canada

Aug 12

SDF11:25 amLouisville Intl

16h 55m

2 stops

LIS9:20 amLisbon Humberto Delgado

Sep 3

LIS11:25 amLisbon Humberto Delgado

30h 52m

2 stops

SDF1:17 pmLouisville Intl

$734

Find similar

Air Canada

Aug 12

SDF11:25 amLouisville Intl

16h 55m

3 stops

LIS9:20 amLisbon Humberto Delgado

Aug 26

LIS11:25 amLisbon Humberto Delgado

27h 37m

3 stops

SDF10:02 amLouisville Intl

$1,061

Find similar

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

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, 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 December is also very affordable. Most momondo users find prices during this month for around $687.

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.

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	$369
Fastest flight time	10h 30m
Direct flights	None
Airports in Lisbon	1 airport

The best one-way flight to Lisbon from Louisville in the past 72 hours is $369. The best round-trip flight deal from Louisville to Lisbon found on momondo in the last 72 hours is $582.

The fastest flight from Louisville to Lisbon takes 10h 30m

There are no direct flights from Louisville to Lisbon. Popular non-direct route for this connection is Louisville Intl Airport - Lisbon Humberto Delgado Airport.

There is 1 airport near Lisbon: Lisbon Humberto Delgado (LIS)

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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 30m, 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 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 American Airlines, representing 46% of all bookings. The subsequent popular airlines are United Airlines at 44% and Lufthansa at 10%.

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 $600	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
United Airlines	PriceFrom $618	Free Cancellation	Rating 7.4 8,849 reviews	Search United Airlines flights
Lufthansa	PriceFrom $859	Free Cancellation	Rating 6.8 7,200 reviews	Search Lufthansa flights

Fátima

Sintra

Nazaré

Almada

Ericeira

Setúbal

Oeiras

Estoril

Evora

Óbidos

Peniche

Sesimbra

Tomar

Figueira da Foz

Batalha

Leiria

Comporta

Torres Vedras

Sines

Caldas da Rainha

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.

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Cheap flights from Louisville to Lisbon from $369

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 8/8. 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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Find the cheapest flights from Louisville to Lisbon

Cheap round-trip flights

Cheap one-way flights

United Airlines flights from Louisville to Lisbon

Our best United Airlines deals on Louisville to Lisbon flight tickets

Air Canada flights from Louisville to Lisbon

Our best Air Canada deals on Louisville to Lisbon flight tickets

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 typical price of a round-trip flight between Louisville and Lisbon?

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?

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

American Airlines, Air Canada, and Aer Lingus are the most popular carriers operating from Louisville Intl to Lisbon Humberto Delgado

What airlines fly 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

Best Price Found

Fastest flight time

Direct flights

Airports in Lisbon

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