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Cheap flights from Kentucky to Porto from $394

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 6/11. 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
0 bags

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Find the cheapest flights from Kentucky to Porto

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
6:00 am - 9:30 am
BNA
-
OPO
21h 30m
2 stops
United Airlines Logo
6:00 am - 5:21 pm
OPO
-
BNA
17h 21m
2 stops
$750United Airlines
Sun, Nov 15 - Thu, Nov 19
United Airlines Logo
6:40 pm - 9:30 am
BNA
-
OPO
32h 50m
1 stop
United Airlines Logo
6:00 am - 5:21 pm
OPO
-
BNA
17h 21m
2 stops
$751United Airlines
Sun, Nov 15 - Thu, Nov 19
Iberia Logo
12:24 pm - 7:40 am
CVG
-
OPO
14h 16m
2 stops
Iberia Logo
10:00 pm - 7:40 pm
OPO
-
CVG
26h 40m
2 stops
$782Iberia
Wed, Oct 14 - Tue, Oct 20
Delta Logo
11:45 am - 9:05 am
BNA
-
OPO
15h 20m
1 stop
Delta Logo
5:00 am - 6:33 pm
OPO
-
BNA
19h 33m
2 stops
$797Delta
Sun, Nov 8 - Sat, Nov 14
United Airlines Logo
8:40 pm - 9:30 am
BNA
-
OPO
30h 50m
1 stop
United Airlines Logo
6:00 am - 11:18 pm
OPO
-
BNA
23h 18m
2 stops
$798United Airlines
Sat, Nov 21 - Fri, Nov 27
Delta Logo
10:30 am - 10:30 am
BNA
-
OPO
18h 00m
2 stops
Delta Logo
5:00 am - 6:33 pm
OPO
-
BNA
19h 33m
2 stops
$801Delta
Sun, Nov 8 - Sat, Nov 14
British Airways Logo
9:25 pm - 7:05 pm
CVG
-
OPO
16h 40m
1 stop
British Airways Logo
8:20 am - 10:57 pm
OPO
-
CVG
19h 37m
2 stops
$801British Airways
Wed, Oct 14 - Tue, Oct 20
KLM Logo
7:00 am - 9:05 am
BNA
-
OPO
20h 05m
1 stop
KLM Logo
11:00 am - 8:45 pm
OPO
-
BNA
15h 45m
1 stop
$805KLM
Sun, Nov 8 - Sat, Nov 14
United Airlines Logo
8:40 pm - 9:30 am
BNA
-
OPO
30h 50m
1 stop
United Airlines Logo
12:35 pm - 10:00 pm
OPO
-
BNA
15h 25m
1 stop
$807United Airlines
Sat, Nov 21 - Fri, Nov 27
British Airways Logo
9:25 pm - 7:05 pm
CVG
-
OPO
16h 40m
1 stop
British Airways Logo
8:55 pm - 7:40 pm
OPO
-
CVG
27h 45m
1 stop
$865British Airways
Wed, Oct 14 - Tue, Oct 20

Delta flights from Kentucky to Porto

Our best Delta deals on Kentucky to Porto flight tickets
Delta
Nov 8
BNA11:45 amNashville Intl
15h 20m
1 stop
OPO9:05 amPorto
Nov 14
OPO5:00 amPorto
19h 33m
2 stops
BNA6:33 pmNashville Intl
$797
Delta
Nov 8
BNA10:30 amNashville Intl
18h 00m
2 stops
OPO10:30 amPorto
Nov 14
OPO5:00 amPorto
19h 33m
2 stops
BNA6:33 pmNashville Intl
$801
Delta
Aug 2
CVG5:10 pmCincinnati Cinci./N. Kentucky
17h 20m
1 stop
OPO3:30 pmPorto
Aug 14
OPO5:55 amPorto
14h 10m
1 stop
CVG3:05 pmCincinnati Cinci./N. Kentucky
$936

Iberia flights from Kentucky to Porto

Our best Iberia deals on Kentucky to Porto flight tickets
Iberia
Oct 14
CVG12:24 pmCincinnati Cinci./N. Kentucky
14h 16m
2 stops
OPO7:40 amPorto
Oct 20
OPO10:00 pmPorto
26h 40m
2 stops
CVG7:40 pmCincinnati Cinci./N. Kentucky
$782
Iberia
Sep 7
CVG9:15 pmCincinnati Cinci./N. Kentucky
29h 25m
2 stops
OPO7:40 amPorto
Sep 15
OPO10:00 pmPorto
26h 40m
2 stops
CVG7:40 pmCincinnati Cinci./N. Kentucky
$912
Iberia
Sep 7
CVG2:18 pmCincinnati Cinci./N. Kentucky
16h 27m
2 stops
OPO11:45 amPorto
Sep 15
OPO10:00 pmPorto
26h 40m
2 stops
CVG7:40 pmCincinnati Cinci./N. Kentucky
$914

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 May 29, 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

NashvillePorto

BNA - OPO

BNAOPO

Nashville Intl

Sun 11/15

6:00 am-9:30 am

2 stops21h 30m

Porto

Thu 11/19

6:00 am-5:21 pm

2 stops17h 21m

$750

NashvillePorto

BNA - OPO

BNAOPO

Nashville Intl

Sun 11/15

6:40 pm-9:30 am

1 stop32h 50m

Porto

Thu 11/19

6:00 am-5:21 pm

2 stops17h 21m

$751

CincinnatiPorto

CVG - OPO

CVGOPO

Cincinnati Cinci./N. Kentucky

Wed 10/14

12:24 pm-7:40 am

2 stops14h 16m

Porto

Tue 10/20

10:00 pm-7:40 pm

2 stops26h 40m

$782
Quickest round-trip

NashvillePorto

BNA - OPO

BNAOPO

Nashville Intl

Sun 11/8

11:45 am-9:05 am

1 stop15h 20m

Porto

Sat 11/14

5:00 am-6:33 pm

2 stops19h 33m

$797

NashvillePorto

BNA - OPO

BNAOPO

Nashville Intl

Sat 11/21

8:40 pm-9:30 am

1 stop30h 50m

Porto

Fri 11/27

6:00 am-11:18 pm

2 stops23h 18m

$798

NashvillePorto

BNA - OPO

BNAOPO

Nashville Intl

Sun 11/8

10:30 am-10:30 am

2 stops18h 00m

Porto

Sat 11/14

5:00 am-6:33 pm

2 stops19h 33m

$801

CincinnatiPorto

CVG - OPO

CVGOPO

Cincinnati Cinci./N. Kentucky

Wed 10/14

9:25 pm-7:05 pm

1 stop16h 40m

Porto

Tue 10/20

8:20 am-10:57 pm

2 stops19h 37m

$801

NashvillePorto

BNA - OPO

BNAOPO

Nashville Intl

Sun 11/8

7:00 am-9:05 am

1 stop20h 05m

Porto

Sat 11/14

11:00 am-8:45 pm

1 stop15h 45m

$805

NashvillePorto

BNA - OPO

BNAOPO

Nashville Intl

Sat 11/21

8:40 pm-9:30 am

1 stop30h 50m

Porto

Fri 11/27

12:35 pm-10:00 pm

1 stop15h 25m

$807

CincinnatiPorto

CVG - OPO

CVGOPO

Cincinnati Cinci./N. Kentucky

Wed 10/14

9:25 pm-7:05 pm

1 stop16h 40m

Porto

Tue 10/20

8:55 pm-7:40 pm

1 stop27h 45m

$865

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

12h 05m

Direct flights

None
The fastest flight from Kentucky to Porto takes 12h 05m
There are no direct flights from Kentucky to Porto. There are no popular flight routes from Kentucky to Porto.
Search flight deals

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
Aveiro
Braga
Matosinhos
Lamego
Chaves
Esposende
Pinhao
Guimarães
Espinho
Arcos de Valdevez
Viseu
Ponte de Lima
Curia
Mesao Frio
Mira
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.

An easier way to manage your Porto trip

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