What airlines fly to Portugal?

United Airlines, American Airlines and Delta are the top three most popular airlines that fly to Portugal from Kentucky according to our data. United Airlines is the first choice among our users, with 50% of people opting to fly with this airline when traveling to Portugal. Keep in mind that there are 3 different airlines that fly to Portugal on a routine basis, so you have a few additional options to choose from.

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

British Airways, American Airlines, and United 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 Lexington to Lisbon is 16h 05m on average, while flying from Louisville to Lisbon is 16h 37m 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 September 2026, there are 9 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.

$276 Cheap Flights from Kentucky to Portugal in 2026

Discover deals from 900+ travel sites with momondo.

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.

8:00 am - 9:20 amBNA Nashville Intl-LIS Lisbon Humberto Delgado

20h 20m1 stop Toronto Pearson Intl

12:50 pm - 2:57 pmLIS Lisbon Humberto Delgado-BNA Nashville Intl

32h 07m1 stop Montreal Pierre Elliott Trudeau Intl

$671Air Canada

Mon, Oct 26 - Tue, Nov 10

3:10 pm - 7:45 amBNA Nashville Intl-LIS Lisbon Humberto Delgado

34h 35m2 stops Toronto Island Montreal Pierre Elliott Trudeau Intl

9:25 am - 2:30 pmLIS Lisbon Humberto Delgado-BNA Nashville Intl

35h 05m2 stops Montreal Pierre Elliott Trudeau Intl Toronto Island

$688Multiple Airlines

Tue, Nov 3 - Tue, Nov 10

2:10 pm - 10:40 amBNA Nashville Intl-LIS Lisbon Humberto Delgado

14h 30m1 stop Montreal Pierre Elliott Trudeau Intl

5:00 am - 7:38 pmLIS Lisbon Humberto Delgado-BNA Nashville Intl

20h 38m2 stops Frankfurt am Main Toronto Pearson Intl

$695Multiple Airlines

Mon, Nov 2 - Tue, Nov 10

3:40 pm - 9:20 amBNA Nashville Intl-LIS Lisbon Humberto Delgado

11h 40m1 stop Toronto Pearson Intl

5:00 am - 7:38 pmLIS Lisbon Humberto Delgado-BNA Nashville Intl

20h 38m2 stops Frankfurt am Main Toronto Pearson Intl

$697Air Canada

Mon, Nov 2 - Tue, Nov 17

7:30 pm - 10:30 amBNA Nashville Intl-OPO Porto

33h 00m1 stop New York LaGuardia

11:15 am - 4:39 pmOPO Porto-BNA Nashville Intl

35h 24m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County

$699Delta

Sun, Oct 18 - Mon, Nov 2

6:05 am - 10:25 amBNA Nashville Intl-OPO Porto

22h 20m2 stops Washington, D.C. Reagan-National New York John F Kennedy Intl

11:15 am - 4:39 pmOPO Porto-BNA Nashville Intl

35h 24m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County

$699Delta

Sun, Oct 18 - Mon, Nov 2

1:59 pm - 10:25 amBNA Nashville Intl-OPO Porto

14h 26m1 stop New York John F Kennedy Intl

9:55 am - 9:30 pmOPO Porto-BNA Nashville Intl

17h 35m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County

$700KLM

Sun, Oct 18 - Tue, Nov 3

12:44 pm - 1:30 pmBNA Nashville Intl-LIS Lisbon Humberto Delgado

18h 46m2 stops Newark Munich Franz Josef Strauss

5:00 am - 10:00 pmLIS Lisbon Humberto Delgado-BNA Nashville Intl

23h 00m2 stops Frankfurt am Main Newark

$706Lufthansa

Wed, Jan 6 - Wed, Jan 13

6:43 pm - 11:30 pmBNA Nashville Intl-LIS Lisbon Humberto Delgado

22h 47m2 stops Washington, D.C. Dulles Intl Munich Franz Josef Strauss

5:00 am - 5:32 pmLIS Lisbon Humberto Delgado-BNA Nashville Intl

18h 32m2 stops Frankfurt am Main Chicago O'Hare Intl

$712Lufthansa

Tue, Nov 3 - Tue, Nov 10

12:00 pm - 8:55 amTYS Knoxville McGhee Tyson-LIS Lisbon Humberto Delgado

15h 55m2 stops Atlanta Hartsfield-Jackson Boston Logan Intl

11:30 am - 11:46 pmLIS Lisbon Humberto Delgado-TYS Knoxville McGhee Tyson

17h 16m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson

$815KLM

Thu, Mar 4 - Fri, Mar 12

Cheap last minute flights

Enter your travel dates to find the best prices.

8:40 pm - 11:05 pmBNA Nashville Intl-LIS Lisbon Humberto Delgado

20h 25m1 stop London Heathrow

7:05 am - 4:40 pmLIS Lisbon Humberto Delgado-BNA Nashville Intl

15h 35m1 stop London Heathrow

$1,141British Airways

Sun, Sep 13 - Sun, Nov 15

8:40 pm - 11:05 pmBNA Nashville Intl-LIS Lisbon Humberto Delgado

20h 25m1 stop London Heathrow

7:45 am - 8:05 pmLIS Lisbon Humberto Delgado-BNA Nashville Intl

18h 20m2 stops Madrid Barajas Miami

$1,156Multiple Airlines

Sun, Sep 13 - Sun, Nov 15

8:40 pm - 11:05 pmBNA Nashville Intl-LIS Lisbon Humberto Delgado

20h 25m1 stop London Heathrow

7:45 am - 8:05 pmLIS Lisbon Humberto Delgado-BNA Nashville Intl

18h 20m2 stops Madrid Barajas Miami

$1,157Multiple Airlines

Sun, Sep 13 - Sun, Nov 15

11:20 am - 8:50 amBNA Nashville Intl-LIS Lisbon Humberto Delgado

15h 30m2 stops Boston Logan Intl Paris Charles de Gaulle

11:30 am - 11:12 pmLIS Lisbon Humberto Delgado-BNA Nashville Intl

17h 42m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson

$1,163Delta

Sun, Sep 13 - Sun, Nov 15

5:49 pm - 5:50 pmBNA Nashville Intl-LIS Lisbon Humberto Delgado

18h 01m2 stops Detroit Metropolitan Wayne County Paris Charles de Gaulle

5:00 am - 5:21 pmLIS Lisbon Humberto Delgado-BNA Nashville Intl

18h 21m2 stops Amsterdam Schiphol Minneapolis St Paul

$1,163Delta

Sun, Sep 13 - Sun, Nov 15

1:36 pm - 9:05 amBNA Nashville Intl-LIS Lisbon Humberto Delgado

13h 29m1 stop Philadelphia

11:05 am - 10:54 pmLIS Lisbon Humberto Delgado-BNA Nashville Intl

17h 49m1 stop Philadelphia

$1,170American Airlines

Sun, Sep 13 - Sun, Nov 15

6:00 am - 9:05 amBNA Nashville Intl-LIS Lisbon Humberto Delgado

21h 05m1 stop Philadelphia

11:05 am - 4:53 pmLIS Lisbon Humberto Delgado-BNA Nashville Intl

11h 48m1 stop Philadelphia

$1,170American Airlines

Sun, Sep 13 - Sun, Nov 15

8:40 pm - 11:10 pmBNA Nashville Intl-LIS Lisbon Humberto Delgado

20h 30m1 stop London Heathrow

6:45 pm - 6:25 pmLIS Lisbon Humberto Delgado-BNA Nashville Intl

29h 40m1 stop London Heathrow

$1,200British Airways

Mon, Sep 14 - Mon, Sep 21

6:00 am - 6:50 amCVG Cincinnati Cinci./N. Kentucky-OPO Porto

19h 50m1 stop Newark

11:50 am - 5:00 pmOPO Porto-CVG Cincinnati Cinci./N. Kentucky

34h 10m2 stops Montreal Pierre Elliott Trudeau Intl Chicago O'Hare Intl

$1,213United Airlines

Fri, Sep 11 - Thu, Sep 17

6:02 am - 9:20 amBNA Nashville Intl-LIS Lisbon Humberto Delgado

21h 18m3 stops Chicago O'Hare Intl New York LaGuardia Montreal Pierre Elliott Trudeau Intl

10:50 am - 3:56 pmLIS Lisbon Humberto Delgado-BNA Nashville Intl

35h 06m2 stops Toronto Pearson Intl Chicago O'Hare Intl

$1,524United Airlines

Sun, Sep 13 - Sun, Nov 15

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Air Canada flights from Kentucky to Portugal

Our best Air Canada deals on Kentucky to Portugal flight tickets

Air Canada

Oct 26

BNA8:00 amNashville Intl

20h 20m

1 stop

LIS9:20 amLisbon Humberto Delgado

Nov 10

LIS12:50 pmLisbon Humberto Delgado

32h 07m

1 stop

BNA2:57 pmNashville Intl

$671

Air Canada

Nov 2

BNA2:10 pmNashville Intl

14h 30m

1 stop

LIS10:40 amLisbon Humberto Delgado

Nov 17

LIS11:20 amLisbon Humberto Delgado

14h 18m

1 stop

BNA7:38 pmNashville Intl

$700

Air Canada

Nov 2

BNA2:10 pmNashville Intl

14h 30m

1 stop

LIS10:40 amLisbon Humberto Delgado

Nov 13

LIS11:20 amLisbon Humberto Delgado

32h 58m

2 stops

BNA2:18 pmNashville Intl

$705

KLM flights from Kentucky to Portugal

Our best KLM deals on Kentucky to Portugal flight tickets

KLM

Oct 26

BNA2:05 pmNashville Intl

13h 55m

2 stops

LIS9:00 amLisbon Humberto Delgado

Nov 10

LIS5:00 amLisbon Humberto Delgado

17h 34m

2 stops

BNA4:34 pmNashville Intl

$697

KLM

Nov 2

BNA12:40 pmNashville Intl

14h 20m

2 stops

LIS9:00 amLisbon Humberto Delgado

Nov 11

LIS5:00 amLisbon Humberto Delgado

17h 34m

2 stops

BNA4:34 pmNashville Intl

$706

KLM

Nov 2

BNA12:40 pmNashville Intl

14h 20m

2 stops

LIS9:00 amLisbon Humberto Delgado

Nov 17

LIS11:30 amLisbon Humberto Delgado

17h 42m

2 stops

BNA11:12 pmNashville Intl

$708

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

NashvilleLisbon

BNA Nashville Intl - LIS Lisbon Humberto Delgado

BNALIS

Nashville Intl

Mon 10/26

8:00 am-9:20 am

1 stop20h 20m

Lisbon Humberto Delgado

Tue 11/10

12:50 pm-2:57 pm

1 stop32h 07m

$671

NashvilleLisbon

BNA Nashville Intl - LIS Lisbon Humberto Delgado

BNALIS

Nashville Intl

Tue 11/3

3:10 pm-7:45 am

2 stops34h 35m

Lisbon Humberto Delgado

Tue 11/10

9:25 am-2:30 pm

2 stops35h 05m

$688

NashvilleLisbon

BNA Nashville Intl - LIS Lisbon Humberto Delgado

BNALIS

Nashville Intl

Mon 11/2

2:10 pm-10:40 am

1 stop14h 30m

Lisbon Humberto Delgado

Tue 11/10

5:00 am-7:38 pm

2 stops20h 38m

$695

NashvilleLisbon

BNA Nashville Intl - LIS Lisbon Humberto Delgado

BNALIS

Nashville Intl

Mon 11/2

3:40 pm-9:20 am

1 stop11h 40m

Lisbon Humberto Delgado

Tue 11/17

5:00 am-7:38 pm

2 stops20h 38m

$697

NashvillePorto

BNA Nashville Intl - OPO Porto

BNAOPO

Nashville Intl

Sun 10/18

7:30 pm-10:30 am

1 stop33h 00m

Porto

Mon 11/2

11:15 am-4:39 pm

2 stops35h 24m

$699

NashvillePorto

BNA Nashville Intl - OPO Porto

BNAOPO

Nashville Intl

Sun 10/18

6:05 am-10:25 am

2 stops22h 20m

Porto

Mon 11/2

11:15 am-4:39 pm

2 stops35h 24m

$699

Quickest round-trip

NashvillePorto

BNA Nashville Intl - OPO Porto

BNAOPO

Nashville Intl

Sun 10/18

1:59 pm-10:25 am

1 stop14h 26m

Porto

Tue 11/3

9:55 am-9:30 pm

2 stops17h 35m

$700

NashvilleLisbon

BNA Nashville Intl - LIS Lisbon Humberto Delgado

BNALIS

Nashville Intl

Wed 1/6

12:44 pm-1:30 pm

2 stops18h 46m

Lisbon Humberto Delgado

Wed 1/13

5:00 am-10:00 pm

2 stops23h 00m

$706

NashvilleLisbon

BNA Nashville Intl - LIS Lisbon Humberto Delgado

BNALIS

Nashville Intl

Tue 11/3

6:43 pm-11:30 pm

2 stops22h 47m

Lisbon Humberto Delgado

Tue 11/10

5:00 am-5:32 pm

2 stops18h 32m

$712

KnoxvilleLisbon

TYS Knoxville McGhee Tyson - LIS Lisbon Humberto Delgado

TYSLIS

Knoxville McGhee Tyson

Thu 3/4

12:00 pm-8:55 am

2 stops15h 55m

Lisbon Humberto Delgado

Fri 3/12

11:30 am-11:46 pm

2 stops17h 16m

$815

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 $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 $650.

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

Best Price Found	$276
Fastest flight time	9h 36m
Direct flights	None

The best one-way flight to Portugal from Kentucky in the past 72 hours is $276. The best round-trip flight deal from Kentucky to Portugal found on momondo in the last 72 hours is $671.

The fastest flight from Kentucky to Portugal takes 9h 36m

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?
As of September 2026, there are 9 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 $543	Free Cancellation	Rating 7.4 10,183 reviews	Search United Airlines flights
Delta	PriceFrom $587	Free Cancellation	Rating 7.8 8,550 reviews	Search Delta flights
American Airlines	PriceFrom $604	Free Cancellation	Rating 7.1 12,040 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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Feeling lucky

Popular cities in Portugal

Flights to Lisbonfrom $396

Flights to Portofrom $526

Flights to Funchalfrom $589

Flights to Farofrom $574

Flights to Ponta Delgadafrom $565

Flights to Lajesfrom $567

Flights to Hortafrom $586

Flights to Pico Islandfrom $588

Flights to Porto Santofrom $804

Flights to Velasfrom $583

Cheap flights from Kentucky to Portugal from $276

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 10/19. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Air Canada flights from Kentucky to Portugal

Our best Air Canada deals on Kentucky to Portugal flight tickets

KLM flights from Kentucky to Portugal

Our best KLM deals on Kentucky to Portugal flight tickets

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See travel insights to Portugal from

How to get the cheapest flight ticket from Kentucky to Portugal

What is the cheapest month to fly to Portugal?

Can stopping save me money on Kentucky to Portugal flights?

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

What airlines fly to Portugal?

How long is the flight from Kentucky to Portugal?

Cheap Kentucky to Portugal flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying from Kentucky to Portugal

Best airlines flying from Kentucky to Portugal

Compare and see reviews for airlines that fly from Kentucky to Portugal with momondo

Why use momondo?

An easier way to manage your Portugal trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Portugal

Popular cities in Portugal

Popular flights according to clicks in the last 7 days on momondo

Kentucky flight routes

According to popular flight searches on momondo this year

Portugal flight routes

According to popular flight searches on momondo this year

Fly your favorite airline to Portugal

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Portugal

List of cabin classes available on flights landing in Portugal. Availability may vary depending on flight origin and airline.

Complete your trip to Portugal

Explore popular destinations other users love

According to popular flight searches on momondo this year