$348 Find Cheap Flights from Louisville to Portugal - Compare and Save

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Louisville to Portugal departing on 11/17. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Book Cheap Louisville to Portugal Plane Tickets

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Louisville to Portugal that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Louisville to Portugal

Sun, Jan 10 - Tue, Jan 19
Multiple Airlines Logo
6:14 pm - 5:45 pmSDF  Louisville Intl-LIS Lisbon Humberto Delgado
18h 31m2 stops Chicago O'Hare Intl London Heathrow
Multiple Airlines Logo
6:30 am - 10:12 pmLIS  Lisbon Humberto Delgado-SDF Louisville Intl
20h 42m2 stops Madrid Barajas Charlotte Douglas
$723Multiple Airlines
Wed, Nov 18 - Thu, Dec 3
Air Canada Logo
10:37 am - 6:55 amSDF  Louisville Intl-LIS Lisbon Humberto Delgado
15h 18m2 stops Chicago O'Hare Intl Montreal Pierre Elliott Trudeau Intl
Air Canada Logo
8:55 am - 4:49 pmLIS  Lisbon Humberto Delgado-SDF Louisville Intl
36h 54m2 stops Montreal Pierre Elliott Trudeau Intl Chicago O'Hare Intl
$730Air Canada
Wed, Nov 18 - Fri, Nov 27
Air Canada Logo
10:37 am - 6:55 amSDF  Louisville Intl-LIS Lisbon Humberto Delgado
15h 18m2 stops Chicago O'Hare Intl Montreal Pierre Elliott Trudeau Intl
Air Canada Logo
11:20 am - 8:52 pmLIS  Lisbon Humberto Delgado-SDF Louisville Intl
38h 32m2 stops Montreal Pierre Elliott Trudeau Intl Chicago O'Hare Intl
$730Air Canada
Mon, Nov 23 - Thu, Dec 3
Delta Logo
2:50 pm - 8:00 amSDF  Louisville Intl-LIS Lisbon Humberto Delgado
12h 10m1 stop New York LaGuardia
Delta Logo
5:30 am - 8:59 pmLIS  Lisbon Humberto Delgado-SDF Louisville Intl
20h 29m2 stops Paris Charles de Gaulle New York John F Kennedy Intl
$743Delta
Wed, Nov 18 - Thu, Dec 3
Delta Logo
2:50 pm - 8:00 amSDF  Louisville Intl-LIS Lisbon Humberto Delgado
12h 10m1 stop New York LaGuardia
Delta Logo
5:30 am - 8:59 pmLIS  Lisbon Humberto Delgado-SDF Louisville Intl
20h 29m2 stops Paris Charles de Gaulle New York John F Kennedy Intl
$743Delta
Tue, Nov 17 - Thu, Dec 3
Delta Logo
2:50 pm - 8:00 amSDF  Louisville Intl-LIS Lisbon Humberto Delgado
12h 10m1 stop New York LaGuardia
Delta Logo
5:30 am - 8:59 pmLIS  Lisbon Humberto Delgado-SDF Louisville Intl
20h 29m2 stops Paris Charles de Gaulle New York John F Kennedy Intl
$743Delta
Wed, Nov 18 - Thu, Dec 3
United Airlines Logo
9:55 am - 10:20 amSDF  Louisville Intl-LIS Lisbon Humberto Delgado
19h 25m1 stop Washington, D.C. Dulles Intl
United Airlines Logo
12:20 pm - 7:34 pmLIS  Lisbon Humberto Delgado-SDF Louisville Intl
12h 14m1 stop Washington, D.C. Dulles Intl
$746United Airlines
Tue, Nov 17 - Fri, Nov 27
United Airlines Logo
11:15 am - 8:10 amSDF  Louisville Intl-LIS Lisbon Humberto Delgado
15h 55m1 stop Newark
United Airlines Logo
10:15 am - 11:30 pmLIS  Lisbon Humberto Delgado-SDF Louisville Intl
18h 15m1 stop Newark
$746United Airlines
Sat, Oct 10 - Tue, Oct 20
American Airlines Logo
7:15 am - 9:05 amSDF  Louisville Intl-LIS Lisbon Humberto Delgado
20h 50m1 stop Philadelphia
American Airlines Logo
7:10 am - 7:28 pmLIS  Lisbon Humberto Delgado-SDF Louisville Intl
17h 18m2 stops London Heathrow Charlotte Douglas
$865American Airlines
Tue, Nov 17 - Sat, Nov 28
American Airlines Logo
7:30 am - 9:05 amSDF  Louisville Intl-LIS Lisbon Humberto Delgado
20h 35m1 stop Philadelphia
American Airlines Logo
10:40 am - 10:07 pmLIS  Lisbon Humberto Delgado-SDF Louisville Intl
16h 27m1 stop Philadelphia
$883American Airlines
Booking Insights

KAYAK's insights & trends for Louisville to Portugal flights

Get data-powered insights and trends into flights from Louisville to Portugal to help you find the cheapest flights, the best time to fly and much more.

What is the cheapest month to fly from Louisville to Portugal?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Louisville to Portugal, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Louisville to Portugal is December, when tickets cost $596 (return) on average. On the other hand, the most expensive months are June and July, when the average cost of round-trip tickets is $1,334 and $1,217 respectively.

Find deals

Good to know

Low season

January

Cheapest flight

$348
Best time to beat the crowds with an average 29% drop in price.
Most popular time to fly with an average 14% increase in price.
Flight from Louisville to Lisbon

FAQs - booking Portugal flights

  • How does KAYAK find such low prices on flights from Louisville to Portugal?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Louisville to Portugal.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Louisville to Portugal?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Louisville to Portugal is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Louisville to Portugal?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly from Louisville to Portugal with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Louisville to Portugal?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying from Louisville to Portugal up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight from Louisville to Portugal

Information on your arrival and departure airports

Louisville (SDF)