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Cheap flights from Kentucky to Porto from $319

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 Porto departing on 8/24. 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

Find the cheapest flights from Kentucky to Porto

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
7:00 am - 9:30 am
LEX
-
OPO
21h 30m
2 stops
United Airlines Logo
12:35 pm - 10:11 am
OPO
-
LEX
26h 36m
2 stops
$721United Airlines
Mon, Dec 7 - Wed, Dec 9
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
Multiple Airlines Logo
8:55 pm - 10:00 am
BNA
-
OPO
31h 05m
3 stops
Multiple Airlines Logo
10:25 pm - 6:00 pm
OPO
-
BNA
25h 35m
3 stops
$728Multiple Airlines
Mon, Aug 17 - Tue, Sep 1
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
United Airlines Logo
7:00 am - 9:30 am
BNA
-
OPO
20h 30m
1 stop
United Airlines Logo
6:00 am - 9:32 pm
OPO
-
BNA
21h 32m
2 stops
$745United Airlines
Sun, Nov 15 - Wed, Nov 18
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
Delta Logo
11:05 am - 10:35 am
CVG
-
OPO
18h 30m
2 stops
Delta Logo
5:55 am - 4:10 pm
OPO
-
CVG
15h 15m
1 stop
$747Delta
Mon, Nov 2 - Thu, Nov 12
United Airlines Logo
1:34 pm - 9:30 am
BNA
-
OPO
13h 56m
2 stops
United Airlines Logo
6:00 am - 9:32 pm
OPO
-
BNA
21h 32m
2 stops
$749United Airlines
Sun, Nov 15 - Wed, Nov 18
Multiple Airlines Logo
2:10 pm - 11:15 am
BNA
-
OPO
39h 05m
2 stops
Multiple Airlines Logo
7:20 pm - 7:41 pm
OPO
-
BNA
30h 21m
2 stops
$755Multiple Airlines
Sun, Nov 1 - Tue, Nov 10
Lufthansa Logo
2:55 pm - 11:25 pm
CVG
-
OPO
27h 30m
2 stops
Lufthansa Logo
6:00 am - 11:56 pm
OPO
-
CVG
22h 56m
2 stops
$775Lufthansa
Wed, Oct 21 - Sun, Nov 1

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Delta flights from Kentucky to Porto

Our best Delta deals on Kentucky to Porto flight tickets
Delta
Oct 27
CVG8:15 pmCincinnati Cinci./N. Kentucky
21h 45m
1 stop
OPO10:00 pmPorto
Nov 5
OPO5:55 amPorto
15h 15m
1 stop
CVG4:10 pmCincinnati Cinci./N. Kentucky
$743
Delta
Oct 27
CVG8:15 pmCincinnati Cinci./N. Kentucky
21h 45m
1 stop
OPO10:00 pmPorto
Nov 5
OPO11:15 amPorto
18h 09m
2 stops
CVG12:24 amCincinnati Cinci./N. Kentucky
$746
Delta
Nov 2
CVG11:05 amCincinnati Cinci./N. Kentucky
18h 30m
2 stops
OPO10:35 amPorto
Nov 12
OPO5:55 amPorto
15h 15m
1 stop
CVG4:10 pmCincinnati Cinci./N. Kentucky
$747

United Airlines flights from Kentucky to Porto

Our best United Airlines deals on Kentucky to Porto flight tickets
United Airlines
Dec 7
LEX7:00 amLexington Blue Grass
21h 30m
2 stops
OPO9:30 amPorto
Dec 9
OPO12:35 pmPorto
26h 36m
2 stops
LEX10:11 amLexington Blue Grass
$721
United Airlines
Nov 2
CVG6:00 amCincinnati Cinci./N. Kentucky
22h 30m
2 stops
OPO9:30 amPorto
Nov 5
OPO12:35 pmPorto
13h 04m
1 stop
CVG8:39 pmCincinnati Cinci./N. Kentucky
$759
United Airlines
Nov 2
CVG6:40 pmCincinnati Cinci./N. Kentucky
15h 40m
2 stops
OPO3:20 pmPorto
Nov 5
OPO6:00 amPorto
16h 15m
2 stops
CVG5:15 pmCincinnati Cinci./N. Kentucky
$767

momondo Fare Finder

 
Customize your flight search to find flights from Kentucky to Porto 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 20, 2026.
Use the filters below to find and compare flights from Kentucky to Porto that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LexingtonPorto

LEX - OPO

LEXOPO

Lexington Blue Grass

Mon 12/7

7:00 am-9:30 am

2 stops21h 30m

Porto

Wed 12/9

12:35 pm-10:11 am

2 stops26h 36m

$721

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

NashvillePorto

BNA - OPO

BNAOPO

Nashville Intl

Mon 8/17

8:55 pm-10:00 am

3 stops31h 05m

Porto

Tue 9/1

10:25 pm-6:00 pm

3 stops25h 35m

$728

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

NashvillePorto

BNA - OPO

BNAOPO

Nashville Intl

Sun 11/15

7:00 am-9:30 am

1 stop20h 30m

Porto

Wed 11/18

6:00 am-9:32 pm

2 stops21h 32m

$745

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
Quickest round-trip

CincinnatiPorto

CVG - OPO

CVGOPO

Cincinnati Cinci./N. Kentucky

Mon 11/2

11:05 am-10:35 am

2 stops18h 30m

Porto

Thu 11/12

5:55 am-4:10 pm

1 stop15h 15m

$747

NashvillePorto

BNA - OPO

BNAOPO

Nashville Intl

Sun 11/15

1:34 pm-9:30 am

2 stops13h 56m

Porto

Wed 11/18

6:00 am-9:32 pm

2 stops21h 32m

$749

NashvillePorto

BNA - OPO

BNAOPO

Nashville Intl

Sun 11/1

2:10 pm-11:15 am

2 stops39h 05m

Porto

Tue 11/10

7:20 pm-7:41 pm

2 stops30h 21m

$755

CincinnatiPorto

CVG - OPO

CVGOPO

Cincinnati Cinci./N. Kentucky

Wed 10/21

2:55 pm-11:25 pm

2 stops27h 30m

Porto

Sun 11/1

6:00 am-11:56 pm

2 stops22h 56m

$775

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 Porto from

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

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

Fastest flight time

11h 10m

Direct flights

None
The fastest flight from Kentucky to Porto takes 11h 10m
There are no direct flights from Kentucky to Porto. There are no popular flight routes from Kentucky to Porto.
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Frequently asked questions about flying 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?

  • 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.

Traveling to a place near Porto?

Book flights to Porto if you plan to visit one of these locations
Vila Nova de Gaia
Coimbra
Braga
Aveiro
Matosinhos
Lamego
Esposende
Chaves
Pinhao
Arcos de Valdevez
Guimarães
Viseu
Espinho
Ponte de Lima
Mesao Frio
Penafiel
Baiao

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.

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