$724 Find Cheap Flights from Louisville to Portugal - Compare and Save

This is the cheapest round-trip flight price found by a KAYAK user in the last 72 hours by searching for a flight from Louisville to Portugal departing on 1/13. 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

Wed, Jan 13 - Wed, Feb 10
American Airlines Logo
11:21 am - 9:05 am
SDF
-
LIS
16h 44m
1 stop
American Airlines Logo
6:30 am - 9:16 pm
LIS
-
SDF
19h 46m
2 stops
$724American Airlines
Wed, Jan 13 - Wed, Feb 10
Multiple Airlines Logo
6:14 pm - 5:40 pm
SDF
-
LIS
18h 26m
2 stops
Multiple Airlines Logo
6:30 am - 9:35 pm
LIS
-
SDF
20h 05m
2 stops
$728Multiple Airlines
Mon, Jan 11 - Tue, Feb 9
United Airlines Logo
8:45 am - 8:10 am
SDF
-
LIS
18h 25m
1 stop
United Airlines Logo
11:20 am - 1:02 pm
LIS
-
SDF
30h 42m
2 stops
$731United Airlines
Wed, Jan 13 - Tue, Feb 9
United Airlines Logo
6:30 am - 8:10 am
SDF
-
LIS
20h 40m
1 stop
United Airlines Logo
11:20 am - 1:02 pm
LIS
-
SDF
30h 42m
2 stops
$731United Airlines
Wed, Jan 13 - Wed, Feb 10
American Airlines Logo
11:21 am - 9:05 am
SDF
-
LIS
16h 44m
1 stop
American Airlines Logo
11:05 am - 9:16 pm
LIS
-
SDF
15h 11m
1 stop
$731American Airlines
Tue, Jan 12 - Fri, Feb 12
Delta Logo
6:26 pm - 3:10 pm
SDF
-
LIS
15h 44m
2 stops
Delta Logo
5:00 am - 9:41 pm
LIS
-
SDF
21h 41m
2 stops
$744Delta
Wed, Nov 4 - Fri, Nov 13
Delta Logo
1:59 pm - 9:00 am
SDF
-
LIS
14h 01m
2 stops
Delta Logo
10:00 am - 9:13 pm
LIS
-
SDF
16h 13m
2 stops
$755Delta
Wed, Nov 4 - Tue, Nov 17
Lufthansa Logo
5:57 pm - 11:30 pm
SDF
-
LIS
24h 33m
2 stops
Lufthansa Logo
5:00 am - 11:30 pm
LIS
-
SDF
23h 30m
2 stops
$755Lufthansa
Sun, Nov 8 - Fri, Nov 13
Multiple Airlines Logo
5:59 pm - 3:10 pm
SDF
-
LIS
16h 11m
2 stops
Multiple Airlines Logo
5:00 am - 5:17 pm
LIS
-
SDF
17h 17m
2 stops
$763Multiple Airlines
Sat, Nov 7 - Sat, Nov 14
American Airlines Logo
7:30 am - 9:05 am
SDF
-
LIS
20h 35m
1 stop
American Airlines Logo
6:30 am - 9:36 pm
LIS
-
SDF
20h 06m
2 stops
$824American 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 September, when the average cost of round-trip tickets is $1,334 and $1,218 respectively.

Find deals

Good to know

Low season

January

Cheapest flight

$724
Best time to beat the crowds with an average 31% drop in price.
Most popular time to fly with an average 28% 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)