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

Air Canada and British Airways 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 October 2025, there are 3 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.

$483 Cheap Flights from Kentucky to Porto in 2025/26

1 adult

0 bags

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Kentucky to Porto

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:20 pm - 9:30 amCVG-OPO

10h 10m1 stop

6:00 am - 6:00 pmOPO-CVG

41h 00m2 stops

$529United Airlines

Find Deal

Sat, Nov 15 - Sat, Nov 22

3:33 pm - 9:30 amBNA-OPO

11h 57m1 stop

6:00 am - 7:33 pmOPO-BNA

19h 33m2 stops

$533United Airlines

Find Deal

Mon, Nov 3 - Mon, Nov 17

5:50 pm - 11:40 pmCVG-OPO

24h 50m2 stops

6:00 am - 11:49 pmOPO-CVG

22h 49m2 stops

$535Lufthansa

Find Deal

Wed, Nov 12 - Wed, Nov 19

7:15 pm - 10:30 amCVG-OPO

34h 15m1 stop

6:00 am - 4:51 pmOPO-CVG

15h 51m2 stops

$539Multiple Airlines

Find Deal

Tue, Nov 11 - Wed, Nov 19

6:00 am - 10:30 amLEX-OPO

23h 30m2 stops

11:15 am - 12:04 amOPO-LEX

17h 49m2 stops

$541Delta

Find Deal

Fri, Nov 14 - Tue, Nov 18

12:48 pm - 10:30 amBNA-OPO

15h 42m2 stops

6:05 am - 9:46 pmOPO-BNA

21h 41m2 stops

$541Delta

Find Deal

Tue, Dec 2 - Tue, Dec 9

7:15 pm - 10:30 amCVG-OPO

34h 15m1 stop

11:25 am - 3:15 pmOPO-CVG

32h 50m1 stop

$547Air France

Find Deal

Tue, Nov 18 - Wed, Nov 26

7:15 pm - 10:30 amCVG-OPO

34h 15m1 stop

11:25 am - 3:15 pmOPO-CVG

32h 50m1 stop

$597Air France

Find Deal

Tue, Nov 11 - Wed, Nov 19

3:41 pm - 10:35 amBNA-OPO

12h 54m1 stop

7:45 am - 11:30 amOPO-BNA

33h 45m2 stops

$649Multiple Airlines

Find Deal

Sun, Oct 12 - Mon, Nov 17

4:57 pm - 10:20 amBNA-OPO

35h 23m2 stops

6:00 am - 6:51 pmOPO-BNA

18h 51m2 stops

$650Lufthansa

Find Deal

Sat, Oct 18 - Thu, Nov 20

British Airways flights from Kentucky to Porto

Our best British Airways deals on Kentucky to Porto flight tickets

British Airways

Mar 8

LEX1:17 pmLexington Blue Grass

18h 28m

2 stops

OPO11:45 amPorto

Mar 15

OPO8:20 amPorto

35h 08m

2 stops

LEX3:28 pmLexington Blue Grass

$687

Find similar

British Airways

Mar 13

CVG9:50 pmCincinnati Cinci./N. Kentucky

14h 10m

2 stops

OPO4:00 pmPorto

Mar 22

OPO8:20 amPorto

16h 35m

2 stops

CVG8:55 pmCincinnati Cinci./N. Kentucky

$1,099

Find similar

Delta flights from Kentucky to Porto

Our best Delta deals on Kentucky to Porto flight tickets

Delta

Dec 2

BNA12:48 pmNashville Intl

15h 42m

2 stops

OPO10:30 amPorto

Dec 9

OPO6:05 amPorto

21h 41m

2 stops

BNA9:46 pmNashville Intl

$541

Find similar

Delta

Nov 14

TRI12:50 pmBlountville Tri Cities TN/VA

16h 40m

2 stops

OPO10:30 amPorto

Nov 18

OPO6:05 amPorto

21h 26m

2 stops

TRI10:31 pmBlountville Tri Cities TN/VA

$547

Find similar

Delta

Oct 14

BNA1:06 pmNashville Intl

20h 24m

2 stops

OPO3:30 pmPorto

Nov 17

OPO11:15 amPorto

37h 06m

2 stops

BNA6:21 pmNashville Intl

$641

Find similar

Fly from

Fly to

Route

Depart

Return

Price

CincinnatiPorto

CVG - OPO

CVGOPO

Cincinnati Cinci./N. Kentucky

Sat 11/15

6:20 pm-9:30 am

1 stop10h 10m

Porto

Sat 11/22

6:00 am-6:00 pm

2 stops41h 00m

$529

NashvillePorto

BNA - OPO

BNAOPO

Nashville Intl

Mon 11/3

3:33 pm-9:30 am

1 stop11h 57m

Porto

Mon 11/17

6:00 am-7:33 pm

2 stops19h 33m

$533

CincinnatiPorto

CVG - OPO

CVGOPO

Cincinnati Cinci./N. Kentucky

Wed 11/12

5:50 pm-11:40 pm

2 stops24h 50m

Porto

Wed 11/19

6:00 am-11:49 pm

2 stops22h 49m

$535

CincinnatiPorto

CVG - OPO

CVGOPO

Cincinnati Cinci./N. Kentucky

Tue 11/11

7:15 pm-10:30 am

1 stop34h 15m

Porto

Wed 11/19

6:00 am-4:51 pm

2 stops15h 51m

$539

LexingtonPorto

LEX - OPO

LEXOPO

Lexington Blue Grass

Fri 11/14

6:00 am-10:30 am

2 stops23h 30m

Porto

Tue 11/18

11:15 am-12:04 am

2 stops17h 49m

$541

NashvillePorto

BNA - OPO

BNAOPO

Nashville Intl

Tue 12/2

12:48 pm-10:30 am

2 stops15h 42m

Porto

Tue 12/9

6:05 am-9:46 pm

2 stops21h 41m

$541

CincinnatiPorto

CVG - OPO

CVGOPO

Cincinnati Cinci./N. Kentucky

Tue 11/18

7:15 pm-10:30 am

1 stop34h 15m

Porto

Wed 11/26

11:25 am-3:15 pm

1 stop32h 50m

$547

CincinnatiPorto

CVG - OPO

CVGOPO

Cincinnati Cinci./N. Kentucky

Tue 11/11

7:15 pm-10:30 am

1 stop34h 15m

Porto

Wed 11/19

11:25 am-3:15 pm

1 stop32h 50m

$597

NashvillePorto

BNA - OPO

BNAOPO

Nashville Intl

Sun 10/12

3:41 pm-10:35 am

1 stop12h 54m

Porto

Mon 11/17

7:45 am-11:30 am

2 stops33h 45m

$649

NashvillePorto

BNA - OPO

BNAOPO

Nashville Intl

Sat 10/18

4:57 pm-10:20 am

2 stops35h 23m

Porto

Thu 11/20

6:00 am-6:51 pm

2 stops18h 51m

$650

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 17 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

Direct flights	None

There are no direct flights from Kentucky to Porto. There are no popular flight routes from Kentucky to Porto.

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 October 2025, there are 3 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.

Vila Nova de Gaia

Coimbra

Aveiro

Braga

Matosinhos

Caminha

Esposende

Lamego

Guimarães

Chaves

Espinho

Viseu

Ponte de Lima

Arcos de Valdevez

Pinhao

Santa Maria da Feira

Curia

Penafiel

Mesao Frio

Mira

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.