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Cheap flights from Kentucky to Portugal from $255

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Kentucky to Portugal departing on 4/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Kentucky to Portugal

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
5:35 pm - 2:55 pm
SDF
-
LIS
16h 20m
2 stops
Multiple Airlines Logo
9:20 am - 9:20 pm
LIS
-
SDF
17h 00m
2 stops
$501Multiple Airlines
Tue, Apr 7 - Tue, Apr 14
Multiple Airlines Logo
8:40 pm - 11:00 pm
BNA
-
LIS
20h 20m
1 stop
Multiple Airlines Logo
12:30 pm - 11:48 pm
LIS
-
BNA
17h 18m
2 stops
$504Multiple Airlines
Tue, Apr 14 - Tue, Apr 21
British Airways Logo
8:40 pm - 11:00 pm
BNA
-
LIS
20h 20m
1 stop
British Airways Logo
7:10 am - 6:25 pm
LIS
-
BNA
17h 15m
1 stop
$506British Airways
Tue, Apr 14 - Tue, Apr 21
Finnair Logo
5:04 pm - 11:25 pm
BNA
-
LIS
24h 21m
2 stops
Finnair Logo
6:35 am - 9:41 pm
LIS
-
BNA
21h 06m
2 stops
$508Finnair
Sat, Apr 18 - Sat, Apr 25
American Airlines Logo
10:15 pm - 11:00 pm
CVG
-
LIS
19h 45m
1 stop
American Airlines Logo
8:25 am - 7:15 pm
LIS
-
CVG
15h 50m
2 stops
$513American Airlines
Tue, Apr 14 - Tue, Apr 21
Air France Logo
6:25 pm - 8:50 am
CVG
-
LIS
33h 25m
1 stop
Air France Logo
5:35 am - 3:15 pm
LIS
-
CVG
14h 40m
1 stop
$515Air France
Sun, Apr 12 - Sun, Apr 19
American Airlines Logo
4:35 pm - 2:30 pm
SDF
-
LIS
16h 55m
2 stops
American Airlines Logo
8:25 am - 9:30 pm
LIS
-
SDF
18h 05m
2 stops
$517American Airlines
Tue, Apr 7 - Tue, Apr 14
British Airways Logo
9:20 pm - 11:05 pm
CVG
-
LIS
20h 45m
1 stop
British Airways Logo
7:20 am - 8:06 pm
LIS
-
CVG
17h 46m
2 stops
$521British Airways
Sun, May 3 - Sun, May 10
Air France Logo
6:25 pm - 2:55 pm
CVG
-
LIS
15h 30m
1 stop
Air France Logo
6:50 pm - 3:07 pm
LIS
-
CVG
25h 17m
1 stop
$527Air France
Wed, Apr 29 - Mon, May 4
Finnair Logo
4:13 pm - 11:25 pm
CVG
-
LIS
26h 12m
2 stops
Finnair Logo
6:35 am - 11:27 pm
LIS
-
CVG
21h 52m
2 stops
$528Finnair
Sat, Apr 18 - Sun, Apr 26

British Airways flights from Kentucky to Portugal

Our best British Airways deals on Kentucky to Portugal flight tickets
British Airways
Apr 14
BNA8:40 pmNashville Intl
20h 20m
1 stop
LIS11:00 pmLisbon Humberto Delgado
Apr 21
LIS7:10 amLisbon Humberto Delgado
17h 15m
1 stop
BNA6:25 pmNashville Intl
$506
British Airways
May 3
CVG9:20 pmCincinnati Cinci./N. Kentucky
20h 45m
1 stop
LIS11:05 pmLisbon Humberto Delgado
May 10
LIS7:20 amLisbon Humberto Delgado
17h 46m
2 stops
CVG8:06 pmCincinnati Cinci./N. Kentucky
$521
British Airways
Apr 24
BNA8:40 pmNashville Intl
20h 30m
1 stop
LIS11:10 pmLisbon Humberto Delgado
May 7
LIS4:30 pmLisbon Humberto Delgado
31h 55m
1 stop
BNA6:25 pmNashville Intl
$523

American Airlines flights from Kentucky to Portugal

Our best American Airlines deals on Kentucky to Portugal flight tickets
American Airlines
Apr 14
CVG10:15 pmCincinnati Cinci./N. Kentucky
19h 45m
1 stop
LIS11:00 pmLisbon Humberto Delgado
Apr 21
LIS8:25 amLisbon Humberto Delgado
15h 50m
2 stops
CVG7:15 pmCincinnati Cinci./N. Kentucky
$513
American Airlines
Apr 7
SDF4:35 pmLouisville Intl
16h 55m
2 stops
LIS2:30 pmLisbon Humberto Delgado
Apr 14
LIS8:25 amLisbon Humberto Delgado
18h 05m
2 stops
SDF9:30 pmLouisville Intl
$517
American Airlines
Apr 12
CVG7:56 amCincinnati Cinci./N. Kentucky
20h 09m
1 stop
LIS9:05 amLisbon Humberto Delgado
Apr 19
LIS7:20 amLisbon Humberto Delgado
16h 47m
2 stops
CVG7:07 pmCincinnati Cinci./N. Kentucky
$547

momondo Fare Finder

 
Customize your flight search to find flights from Kentucky to Portugal that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated March 2, 2026.
Use the filters below to find and compare flights from Kentucky to Portugal that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LouisvilleLisbon

SDF - LIS

SDFLIS

Louisville Intl

Tue 4/7

5:35 pm-2:55 pm

2 stops16h 20m

Lisbon Humberto Delgado

Tue 4/14

9:20 am-9:20 pm

2 stops17h 00m

$501

NashvilleLisbon

BNA - LIS

BNALIS

Nashville Intl

Tue 4/14

8:40 pm-11:00 pm

1 stop20h 20m

Lisbon Humberto Delgado

Tue 4/21

12:30 pm-11:48 pm

2 stops17h 18m

$504

NashvilleLisbon

BNA - LIS

BNALIS

Nashville Intl

Tue 4/14

8:40 pm-11:00 pm

1 stop20h 20m

Lisbon Humberto Delgado

Tue 4/21

7:10 am-6:25 pm

1 stop17h 15m

$506

NashvilleLisbon

BNA - LIS

BNALIS

Nashville Intl

Sat 4/18

5:04 pm-11:25 pm

2 stops24h 21m

Lisbon Humberto Delgado

Sat 4/25

6:35 am-9:41 pm

2 stops21h 06m

$508

CincinnatiLisbon

CVG - LIS

CVGLIS

Cincinnati Cinci./N. Kentucky

Tue 4/14

10:15 pm-11:00 pm

1 stop19h 45m

Lisbon Humberto Delgado

Tue 4/21

8:25 am-7:15 pm

2 stops15h 50m

$513

CincinnatiLisbon

CVG - LIS

CVGLIS

Cincinnati Cinci./N. Kentucky

Sun 4/12

6:25 pm-8:50 am

1 stop33h 25m

Lisbon Humberto Delgado

Sun 4/19

5:35 am-3:15 pm

1 stop14h 40m

$515

LouisvilleLisbon

SDF - LIS

SDFLIS

Louisville Intl

Tue 4/7

4:35 pm-2:30 pm

2 stops16h 55m

Lisbon Humberto Delgado

Tue 4/14

8:25 am-9:30 pm

2 stops18h 05m

$517

CincinnatiLisbon

CVG - LIS

CVGLIS

Cincinnati Cinci./N. Kentucky

Sun 5/3

9:20 pm-11:05 pm

1 stop20h 45m

Lisbon Humberto Delgado

Sun 5/10

7:20 am-8:06 pm

2 stops17h 46m

$521

CincinnatiLisbon

CVG - LIS

CVGLIS

Cincinnati Cinci./N. Kentucky

Wed 4/29

6:25 pm-2:55 pm

1 stop15h 30m

Lisbon Humberto Delgado

Mon 5/4

6:50 pm-3:07 pm

1 stop25h 17m

$527

CincinnatiLisbon

CVG - LIS

CVGLIS

Cincinnati Cinci./N. Kentucky

Sat 4/18

4:13 pm-11:25 pm

2 stops26h 12m

Lisbon Humberto Delgado

Sun 4/26

6:35 am-11:27 pm

2 stops21h 52m

$528

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Portugal from

How to get the cheapest flight ticket from Kentucky to Portugal

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 cheapest month to fly to Portugal?

The cheapest month to fly to Portugal from Kentucky is in December. Flight prices, which tend to average around $641, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of December, then book flights to Portugal from Kentucky during January instead. Flights to Portugal in January, while not as cheap as those in December, still average around $659.

Can stopping save me money on Kentucky to Portugal flights?

You could potentially save up to 30% on your flight if you consider stops on a Kentucky to Portugal flight.

Cheap Kentucky to Portugal flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Kentucky to Portugal

Fastest flight time

9h 56m

Direct flights

None
The fastest flight from Kentucky to Portugal takes 9h 56m
There are no direct flights from Kentucky to Portugal. There are no popular flight routes from Kentucky to Portugal.
Search flight deals

  • When did momondo last update prices for flights from Kentucky to Portugal?

    Prices for flights from Kentucky to Portugal are updated daily.

  • How many operators does momondo search for flights from Kentucky to Portugal?

  • How old do you have to be to fly from Kentucky to Portugal?

    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 Kentucky to Portugal.

  • What documentation or ID do you need to fly to Portugal?

    The necessary travel and health documents for your Portugal trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Kentucky to Portugal

Compare and see reviews for airlines that fly from Kentucky to Portugal with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $543Free CancellationRating
7.4
9,375 reviews
Search United Airlines flights
American AirlinesPriceFrom $603Free CancellationRating
7.1
11,369 reviews
Search American Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Kentucky to Portugal?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Kentucky to Portugal. momondo saves you time and could save you money on your trip.

Can I find flights from Kentucky to Portugal with flexible booking policies on momondo?

Yes. All flights to Portugal from Kentucky on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Kentucky to Portugal?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Kentucky to Portugal.

I’m not ready to book a flight from Kentucky to Portugal right now. Can momondo alert me if prices change?

Price alerts on flights to Portugal from Kentucky are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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Find better results for your trip to Portugal

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