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

Scandinavian Airlines, TAP AIR PORTUGAL, and United Airlines are the most popular carriers operating from Kentucky to Porto

When did momondo last update prices for flights from Kentucky to Porto Airport?

Prices for flights from Kentucky to Porto Airport refresh daily.

How many operators does momondo search for flights from Kentucky to Porto Airport?

As of August 2025, there are 4 operators available to choose from for flights from Kentucky to Porto Airport.

How old do you have to be to fly from Kentucky to Porto Airport?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Kentucky to Porto Airport.

What documentation or ID do you need to fly to Porto Airport?

The travel and health documents required for your trip to Porto Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Porto Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$274 Cheap Flights from Kentucky to Porto in 2025

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Find the cheapest flights from Kentucky to Porto

Round-trip

One-way

Last minute

Cheap round-trip flights

1:59 pm - 9:30 amLEX-OPO

14h 31m2 stops

6:00 am - 8:54 pmOPO-LEX

19h 54m2 stops

$644United Airlines

Find Deal

Fri, Nov 14 - Tue, Nov 18

10:40 am - 9:30 amLEX-OPO

17h 50m2 stops

12:35 pm - 11:44 pmOPO-LEX

16h 09m2 stops

$647United Airlines

Find Deal

Fri, Nov 14 - Tue, Nov 18

3:40 pm - 9:10 pmBNA-OPO

23h 30m3 stops

6:00 am - 7:17 amOPO-BNA

30h 17m2 stops

$674

Find Deal

Wed, Oct 22 - Thu, Oct 30

7:45 pm - 11:40 amCVG-OPO

34h 55m2 stops

12:00 pm - 8:45 pmOPO-CVG

37h 45m2 stops

$679

Find Deal

Sat, Dec 6 - Sat, Dec 13

3:40 pm - 9:10 pmBNA-OPO

23h 30m3 stops

6:00 am - 7:17 amOPO-BNA

30h 17m2 stops

$692

Find Deal

Wed, Oct 22 - Thu, Oct 30

6:05 am - 10:30 amTRI-OPO

23h 25m2 stops

11:25 am - 6:11 pmOPO-TRI

35h 46m2 stops

$699Delta

Find Deal

Fri, Nov 14 - Tue, Nov 18

7:05 am - 11:10 amCVG-OPO

23h 05m2 stops

5:35 pm - 8:36 pmOPO-CVG

32h 01m2 stops

$720Scandinavian Airlines

Find Deal

Sun, Aug 24 - Mon, Nov 17

6:20 am - 9:20 amCVG-OPO

22h 00m2 stops

6:00 am - 8:12 pmOPO-CVG

19h 12m2 stops

$746Air Canada

Find Deal

Wed, Sep 24 - Wed, Oct 1

9:30 am - 11:30 amCVG-OPO

21h 00m2 stops

6:00 am - 8:12 pmOPO-CVG

19h 12m2 stops

$768Air Canada

Find Deal

Tue, Sep 30 - Tue, Oct 7

4:00 pm - 3:35 pmCVG-OPO

18h 35m2 stops

6:40 am - 11:40 pmOPO-CVG

22h 00m2 stops

$934Delta

Find Deal

Wed, Oct 1 - Fri, Oct 10

United Airlines flights from Kentucky to Porto

Our best United Airlines deals on Kentucky to Porto flight tickets

United Airlines

Nov 14

LEX1:59 pmLexington Blue Grass

14h 31m

2 stops

OPO9:30 amPorto

Nov 18

OPO6:00 amPorto

19h 54m

2 stops

LEX8:54 pmLexington Blue Grass

$644

Find similar

United Airlines

Nov 14

LEX10:40 amLexington Blue Grass

17h 50m

2 stops

OPO9:30 amPorto

Nov 18

OPO12:35 pmPorto

16h 09m

2 stops

LEX11:44 pmLexington Blue Grass

$647

Find similar

United Airlines

Oct 22

BNA6:10 amNashville Intl

23h 10m

2 stops

OPO11:20 amPorto

Oct 30

OPO12:35 pmPorto

14h 24m

1 stop

BNA9:59 pmNashville Intl

$699

Find similar

SWISS flights from Kentucky to Porto

Our best SWISS deals on Kentucky to Porto flight tickets

SWISS

Oct 4

CVG2:05 pmCincinnati Cinci./N. Kentucky

23h 25m

2 stops

OPO6:30 pmPorto

Oct 17

OPO8:40 amPorto

17h 06m

2 stops

CVG8:46 pmCincinnati Cinci./N. Kentucky

$821

Find similar

SWISS

Aug 26

CVG2:06 pmCincinnati Cinci./N. Kentucky

36h 39m

2 stops

OPO7:45 amPorto

Sep 1

OPO12:50 pmPorto

37h 01m

2 stops

CVG8:51 pmCincinnati Cinci./N. Kentucky

$1,149

Find similar

SWISS

Aug 28

CVG2:06 pmCincinnati Cinci./N. Kentucky

23h 24m

2 stops

OPO6:30 pmPorto

Sep 6

OPO8:40 amPorto

17h 11m

2 stops

CVG8:51 pmCincinnati Cinci./N. Kentucky

$1,292

Find similar

Fly from

Fly to

Route

Depart

Return

Price

LexingtonPorto

LEX - OPO

LEXOPO

Lexington Blue Grass

Fri 11/14

1:59 pm-9:30 am

2 stops14h 31m

Porto

Tue 11/18

6:00 am-8:54 pm

2 stops19h 54m

$644

LexingtonPorto

LEX - OPO

LEXOPO

Lexington Blue Grass

Fri 11/14

10:40 am-9:30 am

2 stops17h 50m

Porto

Tue 11/18

12:35 pm-11:44 pm

2 stops16h 09m

$647

NashvillePorto

BNA - OPO

BNAOPO

Nashville Intl

Wed 10/22

3:40 pm-9:10 pm

3 stops23h 30m

Porto

Thu 10/30

6:00 am-7:17 am

2 stops30h 17m

$674

CincinnatiPorto

CVG - OPO

CVGOPO

Cincinnati Cinci./N. Kentucky

Sat 12/6

7:45 pm-11:40 am

2 stops34h 55m

Porto

Sat 12/13

12:00 pm-8:45 pm

2 stops37h 45m

$679

NashvillePorto

BNA - OPO

BNAOPO

Nashville Intl

Wed 10/22

3:40 pm-9:10 pm

3 stops23h 30m

Porto

Thu 10/30

6:00 am-7:17 am

2 stops30h 17m

$692

BlountvillePorto

TRI - OPO

TRIOPO

Blountville Tri Cities TN/VA

Fri 11/14

6:05 am-10:30 am

2 stops23h 25m

Porto

Tue 11/18

11:25 am-6:11 pm

2 stops35h 46m

$699

CincinnatiPorto

CVG - OPO

CVGOPO

Cincinnati Cinci./N. Kentucky

Sun 8/24

7:05 am-11:10 am

2 stops23h 05m

Porto

Mon 11/17

5:35 pm-8:36 pm

2 stops32h 01m

$720

CincinnatiPorto

CVG - OPO

CVGOPO

Cincinnati Cinci./N. Kentucky

Wed 9/24

6:20 am-9:20 am

2 stops22h 00m

Porto

Wed 10/1

6:00 am-8:12 pm

2 stops19h 12m

$746

CincinnatiPorto

CVG - OPO

CVGOPO

Cincinnati Cinci./N. Kentucky

Tue 9/30

9:30 am-11:30 am

2 stops21h 00m

Porto

Tue 10/7

6:00 am-8:12 pm

2 stops19h 12m

$768

CincinnatiPorto

CVG - OPO

CVGOPO

Cincinnati Cinci./N. Kentucky

Wed 10/1

4:00 pm-3:35 pm

2 stops18h 35m

Porto

Fri 10/10

6:40 am-11:40 pm

2 stops22h 00m

$934

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 Porto

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

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

The cheapest day to depart on your flight to Porto is on a Thursday when prices can be found for as low as $1,000. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Friday because tickets tend to average around $1,567. These prices are subject to change though, so be sure to set up a Price Alert for flights to Porto.

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

In the evening is the cheapest time of day to fly from Kentucky to Porto when you can find flight prices for as low as $1,010. Flying to Porto in the evening is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $1,311 on average. Flights to Porto from Kentucky in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.

Can stopping save me money on Kentucky to Porto flights?

You could potentially save up to 36% on your flight if you consider stops on a Kentucky to Porto flight.

Cheap Kentucky to Porto flight deals and tips

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

Best Price Found	$274
Fastest flight time	9h 53m
Direct flights	None
Airports in Porto	1 airport

The best one-way flight to Porto from Kentucky in the past 72 hours is $274. The best round-trip flight deal from Kentucky to Porto found on momondo in the last 72 hours is $644.

The fastest flight from Kentucky to Porto takes 9h 53m

There are no direct flights from Kentucky to Porto. Popular non-direct routes for this connection are Lexington Blue Grass Airport - Porto Airport, Cincinnati Cinci./N. Kentucky Airport - Porto Airport and Nashville Intl Airport - Porto Airport.

There is 1 airport near Porto: Porto (OPO)

Search flight deals

When did momondo last update prices for flights from Kentucky to Porto Airport?
Prices for flights from Kentucky to Porto Airport refresh daily.
How many operators does momondo search for flights from Kentucky to Porto Airport?
As of August 2025, there are 4 operators available to choose from for flights from Kentucky to Porto Airport.
How old do you have to be to fly from Kentucky to Porto Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Kentucky to Porto Airport.
What documentation or ID do you need to fly to Porto Airport?
The travel and health documents required for your trip to Porto Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Porto Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Kentucky to Porto

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

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $677	Free Cancellation	Rating 8.0 7,980 reviews		Search Delta flights
United Airlines	PriceFrom $1,122	Free Cancellation	Rating 7.4 8,916 reviews		Search United Airlines flights

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Why use momondo?

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

Finding the right flight to Porto from Kentucky is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Porto quick and easy, saving you time and money.

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

Yes. momondo allows you to filter the results for Kentucky to Porto flights to just show those with flexible booking policies.

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

momondo provides multiple filters to help you find the best flight to Porto from Kentucky. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

If you are not ready to book a flight from Kentucky to Porto now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Porto and let you know when they change.