What is the cheapest airline that flies from Kentucky to Portugal?

Lufthansa, Air Canada, and Scandinavian Airlines are the most popular carriers operating from Kentucky to Portugal

How long is the flight from Kentucky to Portugal?

Average flight duration from Kentucky to Portugal depends on which airport you fly into and out of. Flying from Louisville to Lisbon is 18h 15m on average, while flying from Lexington to Lisbon is 18h 28m on average. Lisbon is the most popular airport in 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?

As of November 2025, there are 8 operators available to choose from 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.

$242 Cheap Flights from Kentucky to Portugal in 2025/26

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Find the cheapest flights from Kentucky to Portugal

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

2:25 pm - 9:20 amBNA-LIS

12h 55m1 stop

6:10 am - 7:50 pmLIS-BNA

19h 40m2 stops

$470Multiple Airlines

Find Deal

Thu, Jan 8 - Sat, Jan 17

2:25 pm - 9:20 amBNA-LIS

12h 55m1 stop

11:20 am - 7:01 pmLIS-BNA

37h 41m3 stops

$478United Airlines

Find Deal

Tue, Feb 24 - Tue, Mar 3

4:41 pm - 11:30 pmBNA-LIS

24h 49m2 stops

5:00 am - 7:50 pmLIS-BNA

20h 50m2 stops

$490Lufthansa

Find Deal

Wed, Feb 4 - Wed, Feb 11

2:25 pm - 9:20 amBNA-LIS

12h 55m1 stop

11:20 am - 3:05 pmLIS-BNA

33h 45m1 stop

$491Air Canada

Find Deal

Thu, Jan 8 - Sat, Jan 17

12:07 pm - 10:30 amCVG-OPO

17h 23m2 stops

6:00 am - 9:55 pmOPO-CVG

20h 55m2 stops

$492KLM

Find Deal

Sun, Jan 18 - Wed, Jan 28

5:55 pm - 11:30 pmCVG-LIS

24h 35m2 stops

5:00 am - 9:30 pmLIS-CVG

21h 30m2 stops

$494Lufthansa

Find Deal

Thu, Jan 8 - Thu, Jan 22

1:59 pm - 9:20 amTYS-LIS

38h 21m2 stops

11:20 am - 2:49 pmLIS-TYS

32h 29m2 stops

$494Air Canada

Find Deal

Wed, Jan 7 - Wed, Jan 21

10:17 am - 3:10 pmTRI-LIS

23h 53m2 stops

5:00 am - 6:18 pmLIS-TRI

18h 18m2 stops

$500Delta

Find Deal

Fri, Feb 6 - Tue, Feb 10

5:30 am - 8:00 amTYS-LIS

21h 30m2 stops

11:25 am - 9:13 amLIS-TYS

25h 48m2 stops

$501Delta

Find Deal

Sat, Feb 28 - Mon, Mar 16

10:12 am - 8:00 amTRI-LIS

16h 48m2 stops

10:40 am - 10:34 pmLIS-TRI

16h 54m2 stops

$609KLM

Find Deal

Sat, Dec 6 - Thu, Dec 18

United Airlines flights from Kentucky to Portugal

Our best United Airlines deals on Kentucky to Portugal flight tickets

United Airlines

Feb 24

BNA2:25 pmNashville Intl

12h 55m

1 stop

LIS9:20 amLisbon Humberto Delgado

Mar 3

LIS11:20 amLisbon Humberto Delgado

37h 41m

3 stops

BNA7:01 pmNashville Intl

$478

Find similar

United Airlines

Jan 7

TYS5:29 pmKnoxville McGhee Tyson

34h 51m

2 stops

LIS9:20 amLisbon Humberto Delgado

Jan 17

LIS11:20 amLisbon Humberto Delgado

32h 29m

2 stops

TYS2:49 pmKnoxville McGhee Tyson

$483

Find similar

United Airlines

Jan 8

CVG7:00 amCincinnati Cinci./N. Kentucky

20h 10m

2 stops

LIS8:10 amLisbon Humberto Delgado

Jan 22

LIS11:20 amLisbon Humberto Delgado

38h 17m

3 stops

CVG8:37 pmCincinnati Cinci./N. Kentucky

$487

Find similar

Air Canada flights from Kentucky to Portugal

Our best Air Canada deals on Kentucky to Portugal flight tickets

Air Canada

Feb 12

BNA2:25 pmNashville Intl

11h 30m

1 stop

LIS7:55 amLisbon Humberto Delgado

Feb 19

LIS5:00 amLisbon Humberto Delgado

20h 50m

2 stops

BNA7:50 pmNashville Intl

$485

Find similar

Air Canada

Jan 8

BNA2:25 pmNashville Intl

12h 55m

1 stop

LIS9:20 amLisbon Humberto Delgado

Jan 17

LIS11:20 amLisbon Humberto Delgado

33h 45m

1 stop

BNA3:05 pmNashville Intl

$491

Find similar

Air Canada

Jan 7

TYS1:59 pmKnoxville McGhee Tyson

38h 21m

2 stops

LIS9:20 amLisbon Humberto Delgado

Jan 21

LIS11:20 amLisbon Humberto Delgado

32h 29m

2 stops

TYS2:49 pmKnoxville McGhee Tyson

$494

Find similar

Fly from

Fly to

Route

Depart

Return

Price

NashvilleLisbon

BNA - LIS

BNALIS

Nashville Intl

Thu 1/8

2:25 pm-9:20 am

1 stop12h 55m

Lisbon Humberto Delgado

Sat 1/17

6:10 am-7:50 pm

2 stops19h 40m

$470

NashvilleLisbon

BNA - LIS

BNALIS

Nashville Intl

Tue 2/24

2:25 pm-9:20 am

1 stop12h 55m

Lisbon Humberto Delgado

Tue 3/3

11:20 am-7:01 pm

3 stops37h 41m

$478

NashvilleLisbon

BNA - LIS

BNALIS

Nashville Intl

Wed 2/4

4:41 pm-11:30 pm

2 stops24h 49m

Lisbon Humberto Delgado

Wed 2/11

5:00 am-7:50 pm

2 stops20h 50m

$490

NashvilleLisbon

BNA - LIS

BNALIS

Nashville Intl

Thu 1/8

2:25 pm-9:20 am

1 stop12h 55m

Lisbon Humberto Delgado

Sat 1/17

11:20 am-3:05 pm

1 stop33h 45m

$491

CincinnatiPorto

CVG - OPO

CVGOPO

Cincinnati Cinci./N. Kentucky

Sun 1/18

12:07 pm-10:30 am

2 stops17h 23m

Porto

Wed 1/28

6:00 am-9:55 pm

2 stops20h 55m

$492

CincinnatiLisbon

CVG - LIS

CVGLIS

Cincinnati Cinci./N. Kentucky

Thu 1/8

5:55 pm-11:30 pm

2 stops24h 35m

Lisbon Humberto Delgado

Thu 1/22

5:00 am-9:30 pm

2 stops21h 30m

$494

KnoxvilleLisbon

TYS - LIS

TYSLIS

Knoxville McGhee Tyson

Wed 1/7

1:59 pm-9:20 am

2 stops38h 21m

Lisbon Humberto Delgado

Wed 1/21

11:20 am-2:49 pm

2 stops32h 29m

$494

BlountvilleLisbon

TRI - LIS

TRILIS

Blountville Tri Cities TN/VA

Fri 2/6

10:17 am-3:10 pm

2 stops23h 53m

Lisbon Humberto Delgado

Tue 2/10

5:00 am-6:18 pm

2 stops18h 18m

$500

KnoxvilleLisbon

TYS - LIS

TYSLIS

Knoxville McGhee Tyson

Sat 2/28

5:30 am-8:00 am

2 stops21h 30m

Lisbon Humberto Delgado

Mon 3/16

11:25 am-9:13 am

2 stops25h 48m

$501

BlountvilleLisbon

TRI - LIS

TRILIS

Blountville Tri Cities TN/VA

Sat 12/6

10:12 am-8:00 am

2 stops16h 48m

Lisbon Humberto Delgado

Thu 12/18

10:40 am-10:34 pm

2 stops16h 54m

$609

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

Other information

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 $666, 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 March instead. Flights to Portugal in March, while not as cheap as those in January, still average around $703.

What is the cheapest day to depart on your flight to Portugal?

According to our data, Wednesday is the cheapest day to fly to Portugal from Kentucky. The lowest ticket price found for a Wednesday departure recently was $958. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. The most expensive day to fly to Portugal is Thursday, with ticket prices averaging around $1,157.

What is the cheapest time of day to depart on your flight to Portugal?

Our most recent data shows that the best time of day to fly to Portugal is in the evening. Flights from Kentucky to Portugal during this time can be as low as $775. At noon is when there is more demand to fly to Portugal, so prices are often more expensive at around $1,237 per ticket.

Can stopping save me money on Kentucky to Portugal flights?

You could potentially save up to 52% 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

Direct flights	None

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?
As of November 2025, there are 8 operators available to choose from 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 Airlines	PriceFrom $603	Free Cancellation	Rating 7.4 9,015 reviews		Search United Airlines flights
American Airlines	PriceFrom $616	Free Cancellation	Rating 7.2 11,050 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.