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Cheap flights from Kentucky to Portugal 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 Kentucky to Portugal departing on 8/26. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Kentucky to Portugal

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
2:10 pm - 6:55 am
BNA
-
LIS
11h 45m
1 stop
Multiple Airlines Logo
3:25 pm - 9:32 pm
LIS
-
BNA
36h 07m
2 stops
$710Multiple Airlines
Wed, Oct 28 - Mon, Nov 23
Multiple Airlines Logo
6:40 pm - 8:10 am
BNA
-
LIS
32h 30m
1 stop
Multiple Airlines Logo
11:20 am - 1:14 pm
LIS
-
BNA
31h 54m
1 stop
$712Multiple Airlines
Tue, Oct 27 - Wed, Nov 4
United Airlines Logo
4:53 pm - 6:55 am
BNA
-
LIS
33h 02m
2 stops
United Airlines Logo
5:00 am - 9:32 pm
LIS
-
BNA
22h 32m
2 stops
$717United Airlines
Tue, Oct 27 - Wed, Nov 4
United Airlines Logo
7:00 pm - 9:30 am
TRI
-
OPO
33h 30m
2 stops
United Airlines Logo
12:35 pm - 10:25 am
OPO
-
TRI
26h 50m
2 stops
$721United Airlines
Sat, Nov 14 - Wed, Nov 18
American Airlines Logo
2:46 pm - 12:10 pm
TRI
-
LIS
16h 24m
2 stops
American Airlines Logo
9:40 am - 11:57 pm
LIS
-
TRI
19h 17m
2 stops
$727American Airlines
Wed, Dec 2 - Thu, Dec 10
American Airlines Logo
8:25 pm - 5:40 pm
TRI
-
LIS
16h 15m
2 stops
American Airlines Logo
9:40 am - 11:54 pm
LIS
-
TRI
19h 14m
2 stops
$732American Airlines
Wed, Dec 2 - Thu, Dec 10
Air Canada Logo
1:55 pm - 9:20 am
CVG
-
LIS
14h 25m
1 stop
Air Canada Logo
5:05 am - 8:30 pm
LIS
-
CVG
20h 25m
2 stops
$742Air Canada
Tue, Oct 13 - Wed, Oct 21
Delta Logo
8:15 pm - 10:00 pm
CVG
-
OPO
21h 45m
1 stop
Delta Logo
5:55 am - 4:10 pm
OPO
-
CVG
15h 15m
1 stop
$743Delta
Tue, Oct 27 - Thu, Nov 5
Air Canada Logo
11:52 am - 9:20 am
CVG
-
LIS
16h 28m
2 stops
Air Canada Logo
5:05 am - 8:30 pm
LIS
-
CVG
20h 25m
2 stops
$746Air Canada
Tue, Oct 13 - Wed, Oct 21
Delta Logo
8:15 pm - 10:00 pm
CVG
-
OPO
21h 45m
1 stop
Delta Logo
11:15 am - 12:24 am
OPO
-
CVG
18h 09m
2 stops
$746Delta
Tue, Oct 27 - Thu, Nov 5

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American Airlines flights from Kentucky to Portugal

Our best American Airlines deals on Kentucky to Portugal flight tickets
American Airlines
Dec 2
TRI2:46 pmBlountville Tri Cities TN/VA
16h 24m
2 stops
LIS12:10 pmLisbon Humberto Delgado
Dec 10
LIS9:40 amLisbon Humberto Delgado
19h 17m
2 stops
TRI11:57 pmBlountville Tri Cities TN/VA
$727
American Airlines
Dec 2
TRI8:25 pmBlountville Tri Cities TN/VA
16h 15m
2 stops
LIS5:40 pmLisbon Humberto Delgado
Dec 10
LIS9:40 amLisbon Humberto Delgado
19h 14m
2 stops
TRI11:54 pmBlountville Tri Cities TN/VA
$732
American Airlines
Sep 21
SDF4:51 pmLouisville Intl
13h 59m
2 stops
LIS11:50 amLisbon Humberto Delgado
Oct 6
LIS7:10 amLisbon Humberto Delgado
17h 18m
2 stops
SDF7:28 pmLouisville Intl
$818

United Airlines flights from Kentucky to Portugal

Our best United Airlines deals on Kentucky to Portugal flight tickets
United Airlines
Oct 27
BNA4:53 pmNashville Intl
33h 02m
2 stops
LIS6:55 amLisbon Humberto Delgado
Nov 4
LIS5:00 amLisbon Humberto Delgado
22h 32m
2 stops
BNA9:32 pmNashville Intl
$717
United Airlines
Nov 14
TRI7:00 pmBlountville Tri Cities TN/VA
33h 30m
2 stops
OPO9:30 amPorto
Nov 18
OPO12:35 pmPorto
26h 50m
2 stops
TRI10:25 amBlountville Tri Cities TN/VA
$721
United Airlines
Nov 14
TRI7:00 pmBlountville Tri Cities TN/VA
33h 30m
2 stops
OPO9:30 amPorto
Nov 18
OPO12:35 pmPorto
26h 50m
2 stops
TRI10:25 amBlountville Tri Cities TN/VA
$726

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 July 23, 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

Cheapest round-trip

NashvilleLisbon

BNA - LIS

BNALIS

Nashville Intl

Wed 10/28

2:10 pm-6:55 am

1 stop11h 45m

Lisbon Humberto Delgado

Mon 11/23

3:25 pm-9:32 pm

2 stops36h 07m

$710

NashvilleLisbon

BNA - LIS

BNALIS

Nashville Intl

Tue 10/27

6:40 pm-8:10 am

1 stop32h 30m

Lisbon Humberto Delgado

Wed 11/4

11:20 am-1:14 pm

1 stop31h 54m

$712

NashvilleLisbon

BNA - LIS

BNALIS

Nashville Intl

Tue 10/27

4:53 pm-6:55 am

2 stops33h 02m

Lisbon Humberto Delgado

Wed 11/4

5:00 am-9:32 pm

2 stops22h 32m

$717

BlountvillePorto

TRI - OPO

TRIOPO

Blountville Tri Cities TN/VA

Sat 11/14

7:00 pm-9:30 am

2 stops33h 30m

Porto

Wed 11/18

12:35 pm-10:25 am

2 stops26h 50m

$721

BlountvilleLisbon

TRI - LIS

TRILIS

Blountville Tri Cities TN/VA

Wed 12/2

2:46 pm-12:10 pm

2 stops16h 24m

Lisbon Humberto Delgado

Thu 12/10

9:40 am-11:57 pm

2 stops19h 17m

$727

BlountvilleLisbon

TRI - LIS

TRILIS

Blountville Tri Cities TN/VA

Wed 12/2

8:25 pm-5:40 pm

2 stops16h 15m

Lisbon Humberto Delgado

Thu 12/10

9:40 am-11:54 pm

2 stops19h 14m

$732
Quickest round-trip

CincinnatiLisbon

CVG - LIS

CVGLIS

Cincinnati Cinci./N. Kentucky

Tue 10/13

1:55 pm-9:20 am

1 stop14h 25m

Lisbon Humberto Delgado

Wed 10/21

5:05 am-8:30 pm

2 stops20h 25m

$742

CincinnatiPorto

CVG - OPO

CVGOPO

Cincinnati Cinci./N. Kentucky

Tue 10/27

8:15 pm-10:00 pm

1 stop21h 45m

Porto

Thu 11/5

5:55 am-4:10 pm

1 stop15h 15m

$743

CincinnatiLisbon

CVG - LIS

CVGLIS

Cincinnati Cinci./N. Kentucky

Tue 10/13

11:52 am-9:20 am

2 stops16h 28m

Lisbon Humberto Delgado

Wed 10/21

5:05 am-8:30 pm

2 stops20h 25m

$746

CincinnatiPorto

CVG - OPO

CVGOPO

Cincinnati Cinci./N. Kentucky

Tue 10/27

8:15 pm-10:00 pm

1 stop21h 45m

Porto

Thu 11/5

11:15 am-12:24 am

2 stops18h 09m

$746

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 January. Flight prices, which tend to average around $554, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of January, then book flights to Portugal from Kentucky during December instead. Flights to Portugal in December, while not as cheap as those in January, still average around $604.

Can stopping save me money on Kentucky to Portugal flights?

You could potentially save up to 22% 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

10h 25m

Direct flights

None
The fastest flight from Kentucky to Portugal takes 10h 25m
There are no direct flights from Kentucky to Portugal. There are no popular flight routes from Kentucky to Portugal.
Search flight deals

Frequently asked questions about flying from Kentucky to Portugal

  • 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
10,024 reviews
Search United Airlines flights
DeltaPriceFrom $587Free CancellationRating
7.8
8,479 reviews
Search Delta flights
American AirlinesPriceFrom $604Free CancellationRating
7.1
11,832 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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Popular flights according to clicks in the last 7 days on momondo
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