$327+ Cheap flights from Kentucky to Portugal
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/12. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — LIS
Dec 3 — Dec 101
Round-trip
1 adult, Economy
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Find cheap flights from Kentucky to Portugal with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Kentucky to Portugal
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Cheapest flights from Kentucky to PortugalExplore the most affordable flight options available from Kentucky to Portugal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 3, 2026.
Explore the most affordable flight options available from Kentucky to Portugal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 3, 2026.
This Delta deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/181:30 pm -
1 stop14h 30m
Wed 11/255:00 am -
2 stops23h 13m
Deal found 10/29![Delta logo]()
$823
This Expedia deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/181:14 pm -
2 stops17h 51m
Wed 11/257:05 am -
2 stops19h 32m
Deal found 10/29![British Airways logo]()
$826
This FlightHub deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/296:30 pm -
2 stops18h 15m
Sat 12/56:45 pm -
2 stops34h 10m
Deal found 10/31![British Airways logo]()
$833
This United Airlines deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/181:45 pm -
1 stop13h 25m
Wed 11/2510:15 am -
1 stop12h 22m
Deal found 10/29![United Airlines logo]()
$834
This United Airlines deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/152:05 pm -
1 stop14h 25m
Tue 12/226:00 am -
2 stops17h 47m
Deal found 10/31![United Airlines logo]()
$847
This United Airlines deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/69:55 am -
1 stop19h 10m
Sat 12/1212:25 pm -
2 stops38h 34m
Deal found 11/1![United Airlines logo]()
$853
This United Airlines deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/299:55 am -
1 stop19h 10m
Sat 12/512:25 pm -
2 stops55h 26m
Deal found 10/31![United Airlines logo]()
$859
This Virgin Atlantic deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/1610:59 am -
2 stops17h 01m
Wed 12/2311:15 am -
2 stops15h 08m
Deal found 11/1![Virgin Atlantic logo]()
$894
This BusinessClass deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/291:45 pm -
1 stop13h 25m
Sat 12/512:25 pm -
2 stops40h 24m
Deal found 10/31![Lufthansa logo]()
$902
This Expedia deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/1410:13 am -
2 stops20h 32m
Fri 11/208:40 pm -
2 stops29h 57m
Deal found 11/2![Iberia logo]()
$914
This United Airlines deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/71:45 pm -
1 stop13h 25m
Sat 11/145:00 am -
2 stops20h 34m
Deal found 11/1![United Airlines logo]()
$921
This Air Canada deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1811:17 am -
2 stops14h 38m
Wed 11/2511:20 am -
3 stops27h 24m
Deal found 10/29![Multiple Airlines logo]()
$923
Best flights from Kentucky to PortugalDiscover carefully curated flight deals from Kentucky to Portugal that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 3, 2026.
Discover carefully curated flight deals from Kentucky to Portugal that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 3, 2026.
This United deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/158:50 am -
1 stop18h 20m
Fri 2/1910:55 am -
2 stops37h 56m
Deal found 11/2![Multiple Airlines logo]()
$727
This United Airlines deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/16:00 am -
2 stops22h 20m
Fri 2/510:55 am -
2 stops38h 42m
Deal found 11/2![United Airlines logo]()
$730
This FlightHub deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/26:13 pm -
2 stops24h 17m
Wed 3/105:00 am -
2 stops23h 52m
Deal found 10/30![Lufthansa logo]()
$730
This Justfly.com deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/2111:10 am -
2 stops17h 10m
Wed 5/1211:25 am -
2 stops37h 58m
Deal found 11/1![Air Canada logo]()
$818
This Delta deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/181:30 pm -
1 stop14h 30m
Wed 11/255:00 am -
2 stops23h 13m
Deal found 10/29![Delta logo]()
$823
This British Airways deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/2112:57 pm -
1 stop15h 08m
Wed 5/127:20 am -
2 stops21h 13m
Deal found 11/1![British Airways logo]()
$937
This United Airlines deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/106:15 am -
1 stop20h 55m
Mon 2/1512:25 pm -
2 stops36h 08m
Deal found 11/2![United Airlines logo]()
$768
This British Airways deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/214:27 pm -
2 stops18h 13m
Wed 5/128:55 am -
2 stops19h 38m
Deal found 11/3![Multiple Airlines logo]()
$815
This United Airlines deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/37:32 pm -
2 stops33h 13m
Mon 4/1912:00 pm -
2 stops37h 00m
Deal found 10/30![United Airlines logo]()
$824
This United Airlines deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/181:45 pm -
1 stop13h 25m
Wed 11/2510:15 am -
1 stop12h 22m
Deal found 10/29![United Airlines logo]()
$834
This Air Canada deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1811:17 am -
2 stops14h 38m
Wed 11/2511:20 am -
3 stops27h 24m
Deal found 10/29![Multiple Airlines logo]()
$923
This United Airlines deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/152:05 pm -
1 stop14h 25m
Tue 12/226:00 am -
2 stops17h 47m
Deal found 10/31![United Airlines logo]()
$847
This United Airlines deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/141:45 pm -
1 stop14h 45m
Fri 11/2012:35 pm -
2 stops39h 55m
Deal found 11/2![United Airlines logo]()
$945
This United Airlines deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/162:25 pm -
1 stop14h 55m
Wed 12/2312:20 pm -
1 stop12h 00m
Deal found 11/1![United Airlines logo]()
$968
This United Airlines deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/162:25 pm -
2 stops14h 05m
Wed 12/236:00 am -
2 stops19h 56m
Deal found 11/1![United Airlines logo]()
$998
This United Airlines deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/258:45 am -
1 stop18h 25m
Thu 1/2811:20 am -
2 stops31h 06m
Deal found 11/1![United Airlines logo]()
$1,094
This United Airlines deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/258:45 am -
1 stop19h 25m
Sat 4/35:05 am -
2 stops22h 04m
Deal found 11/3![United Airlines logo]()
$1,123
Last-minute flights from Kentucky to PortugalDiscover last-minute flight deals from Kentucky to Portugal. Data last updated November 3, 2026 and is based on user searches.
Discover last-minute flight deals from Kentucky to Portugal. Data last updated November 3, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/71:45 pm -
1 stop13h 25m
Sat 11/145:00 am -
2 stops20h 34m
Deal found 11/1![United Airlines logo]()
$921
This Expedia deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/1410:13 am -
2 stops20h 32m
Fri 11/208:40 pm -
2 stops29h 57m
Deal found 11/2![Iberia logo]()
$914
This Delta deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/181:30 pm -
1 stop14h 30m
Wed 11/255:00 am -
2 stops23h 13m
Deal found 10/29![Delta logo]()
$823
This Expedia deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/181:14 pm -
2 stops17h 51m
Wed 11/257:05 am -
2 stops19h 32m
Deal found 10/29![British Airways logo]()
$826
This United Airlines deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/181:45 pm -
1 stop13h 25m
Wed 11/2510:15 am -
1 stop12h 22m
Deal found 10/29![United Airlines logo]()
$834
This Air Canada deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1811:17 am -
2 stops14h 38m
Wed 11/2511:20 am -
3 stops27h 24m
Deal found 10/29![Multiple Airlines logo]()
$923
This FlightHub deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/296:30 pm -
2 stops18h 15m
Sat 12/56:45 pm -
2 stops34h 10m
Deal found 10/31![British Airways logo]()
$833
This United Airlines deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/299:55 am -
1 stop19h 10m
Sat 12/512:25 pm -
2 stops55h 26m
Deal found 10/31![United Airlines logo]()
$859
This BusinessClass deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/291:45 pm -
1 stop13h 25m
Sat 12/512:25 pm -
2 stops40h 24m
Deal found 10/31![Lufthansa logo]()
$902
This United Airlines deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/69:55 am -
1 stop19h 10m
Sat 12/1212:25 pm -
2 stops38h 34m
Deal found 11/1![United Airlines logo]()
$853
This United Airlines deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/152:05 pm -
1 stop14h 25m
Tue 12/226:00 am -
2 stops17h 47m
Deal found 10/31![United Airlines logo]()
$847
This Virgin Atlantic deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/1610:59 am -
2 stops17h 01m
Wed 12/2311:15 am -
2 stops15h 08m
Deal found 11/1![Virgin Atlantic logo]()
$894
One-way flights from Kentucky to PortugalSearch for one-way flight options from Kentucky to Portugal. Find affordable one-way fares based on user searches. Data last updated November 3, 2026.
Search for one-way flight options from Kentucky to Portugal. Find affordable one-way fares based on user searches. Data last updated November 3, 2026.
This Expedia deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/127:01 pm -
2 stops17h 54m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![British Airways logo]()
$327
This United Airlines deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/281:00 pm -
1 stop15h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/1![United Airlines logo]()
$334
This TravelUp deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/1210:00 am -
1 stop19h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![Lufthansa logo]()
$335
This Expedia deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/292:20 pm -
2 stops28h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/1![Lufthansa logo]()
$379
This Delta deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/2912:00 pm -
1 stop17h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/1![Delta logo]()
$384
This Kiwi.com deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/159:09 pm -
3 stops31h 51m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/1![Multiple Airlines logo]()
$488
This Justfly.com deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/2711:48 am -
2 stops41h 22m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![Aer Lingus logo]()
$493
This Kiwi.com deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/1211:16 am -
3 stops19h 14m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![Multiple Airlines logo]()
$520
This Kiwi.com deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/293:09 pm -
3 stops34h 36m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/1![Multiple Airlines logo]()
$555
This Mytrip deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/284:10 pm -
3 stops27h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/1![Multiple Airlines logo]()
$565
This American Airlines deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/277:44 am -
1 stop20h 21m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![American Airlines logo]()
$590
This American Airlines deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/155:00 am -
2 stops21h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/1![American Airlines logo]()
$599
Find flight deals from Kentucky to Portugal
Keep the following information in mind while searching for Kentucky to Portugal flight deals. Data was last updated November 3, 2026.
Most accurate provider | Ovago 3 stars |
|---|---|
Most trusted provider | Ovago 3 stars |
Round-trip from | $716 (Expedia) |
One-way from | $327 (Expedia) |
Popular in | June |
Cheapest in | April |
Average price | $1,196 |
Cheapflights Fare Finder
Customize your flight search to find flights from Kentucky to Portugal 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, Cheapflights users made 7,457,451 searches. Data last updated November 3, 2026.
Use the filters below to find and compare flights from Kentucky to Portugal that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
LouisvillePorto
SDF Louisville Intl - OPO Porto
SDFOPO
Louisville Intl
Wed 4/28
1:00 pm-9:45 am
1 stop15h 45m
Porto
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$334
LouisvillePorto
SDF Louisville Intl - OPO Porto
SDFOPO
Louisville Intl
Sun 11/15
9:09 pm-10:00 am
3 stops31h 51m
Porto
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$488
LouisvilleLisbon
SDF Louisville Intl - LIS Lisbon Humberto Delgado
SDFLIS
Louisville Intl
Sun 12/27
11:48 am-10:10 am
2 stops41h 22m
Lisbon Humberto Delgado
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$493
LouisvilleLisbon
SDF Louisville Intl - LIS Lisbon Humberto Delgado
SDFLIS
Louisville Intl
Mon 4/12
11:16 am-11:30 am
3 stops19h 14m
Lisbon Humberto Delgado
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$520
LouisvilleLisbon
SDF Louisville Intl - LIS Lisbon Humberto Delgado
SDFLIS
Louisville Intl
Sun 12/27
7:44 am-9:05 am
1 stop20h 21m
Lisbon Humberto Delgado
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$590
LouisvilleLisbon
SDF Louisville Intl - LIS Lisbon Humberto Delgado
SDFLIS
Louisville Intl
Mon 2/15
8:50 am-8:10 am
1 stop18h 20m
Lisbon Humberto Delgado
Fri 2/19
10:55 am-7:51 pm
2 stops37h 56m
$727
LexingtonLisbon
LEX Lexington Blue Grass - LIS Lisbon Humberto Delgado
LEXLIS
Lexington Blue Grass
Mon 2/1
6:00 am-9:20 am
2 stops22h 20m
Lisbon Humberto Delgado
Fri 2/5
10:55 am-8:37 pm
2 stops38h 42m
$730
LexingtonLisbon
LEX Lexington Blue Grass - LIS Lisbon Humberto Delgado
LEXLIS
Lexington Blue Grass
Tue 3/2
6:13 pm-11:30 pm
2 stops24h 17m
Lisbon Humberto Delgado
Wed 3/10
5:00 am-11:52 pm
2 stops23h 52m
$730
LouisvilleLisbon
SDF Louisville Intl - LIS Lisbon Humberto Delgado
SDFLIS
Louisville Intl
Wed 2/10
6:15 am-8:10 am
1 stop20h 55m
Lisbon Humberto Delgado
Mon 2/15
12:25 pm-7:33 pm
2 stops36h 08m
$768
LexingtonLisbon
LEX Lexington Blue Grass - LIS Lisbon Humberto Delgado
LEXLIS
Lexington Blue Grass
Wed 4/21
4:27 pm-3:40 pm
2 stops18h 13m
Lisbon Humberto Delgado
Wed 5/12
8:55 am-11:33 pm
2 stops19h 38m
$815
Showing 1-10 of 29 resultsSorted by cheapest first
Best time to book a flight from Kentucky to Portugal
Have a flexible travel schedule? Discover the best time to fly to Portugal from Kentucky with our price prediction graph.
SDF-LIS
SDF-OPO
LEX-LIS
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Kentucky to Portugal
USKY-PT0
SDF-LIS
SDF-OPO
LEX-LIS
What is the cheapest month to book a flight from Kentucky to Portugal?
Currently, January is the cheapest month in which you can book a flight from Kentucky to Portugal (average of $554). Flying from Kentucky to Portugal in June is currently the most expensive (average of $1,334). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
Related info for your journey
Find useful and relevant information for your journey from Kentucky to Portugal. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
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Alternative routes for Kentucky to Portugal
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Portugal by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Kentucky to Portugal by cabin class
Find flights from Kentucky to Portugal, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Kentucky and Portugal flights
Browse other Kentucky and Portugal flight options. Last updated on November 3, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Find a return flight route from Portugal
Find the right flight back to Kentucky after your stay in Portugal
Kentucky to Portugal flights
Consider these flights traveling from Kentucky to Portugal.
Fly to Portugal regions
Consider these flights traveling to Portugal regions.
Top 3 airlines flying from Kentucky to Portugal
Discover the top 3 airlines that operate flights from Kentucky to Portugal. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated November 3, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$556 | Average$984 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$587 | Average$1,187 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$595 | Average$1,008 | FlexibilityNo cancel fee | On-time69% |