$107+ Cheap flights from Louisville (SDF) to Delaware
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/18. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — ILG
Sep 22 — Sep 291
Round-trip
1 adult, Economy
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Find cheap flights from Louisville to Delaware with Cheapflights
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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
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Cheapest flights from Louisville to DelawareExplore the most affordable flight options available from Louisville to Delaware. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 23, 2026.
Explore the most affordable flight options available from Louisville to Delaware. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 23, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/22. 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 10/229:09 pm -
1 stop27h 29m
Wed 10/2812:36 pm -
2 stops31h 53m
Deal found 8/22![Multiple Airlines logo]()
$255
This Kiwi.com deal was found by Cheapflights users on 8/22. 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 10/229:09 pm -
1 stop27h 29m
Tue 10/279:30 am -
1 stop24h 41m
Deal found 8/22![Multiple Airlines logo]()
$259
This Kiwi.com deal was found by Cheapflights users on 8/22. 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.
Sat 11/144:06 pm -
1 stop7h 18m
Sun 11/1510:33 am -
1 stop9h 56m
Deal found 8/22![Multiple Airlines logo]()
$268
This Kiwi.com deal was found by Cheapflights users on 8/20. 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 9/249:09 pm -
1 stop27h 21m
Mon 9/288:45 am -
1 stop12h 17m
Deal found 8/20![Multiple Airlines logo]()
$277
This Kiwi.com deal was found by Cheapflights users on 8/18. 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.
Sat 9/1210:56 am -
1 stop5h 31m
Sun 9/137:50 am -
1 stop26h 35m
Deal found 8/18![Multiple Airlines logo]()
$284
This Kiwi.com deal was found by Cheapflights users on 8/22. 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.
Sat 10/2410:55 am -
1 stop5h 28m
Wed 10/2812:36 pm -
2 stops31h 53m
Deal found 8/22![Multiple Airlines logo]()
$287
This Kiwi.com deal was found by Cheapflights users on 8/22. 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.
Wed 10/2110:55 am -
2 stops12h 16m
Tue 10/279:30 am -
1 stop24h 41m
Deal found 8/22![Multiple Airlines logo]()
$289
This Kiwi.com deal was found by Cheapflights users on 8/22. 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.
Sat 10/2410:55 am -
1 stop5h 28m
Tue 10/279:30 am -
1 stop24h 41m
Deal found 8/22![Multiple Airlines logo]()
$292
Best flights from Louisville to DelawareDiscover carefully curated flight deals from Louisville to Delaware that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 23, 2026.
Discover carefully curated flight deals from Louisville to Delaware that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 23, 2026.
This Southwest deal was found by Cheapflights users on 8/21. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/18:20 am -
1 stop6h 20m
Mon 10/55:55 am -
1 stop6h 20m
Deal found 8/21![Southwest logo]()
$317
This Southwest deal was found by Cheapflights users on 8/21. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/291:15 pm -
2 stops8h 40m
Wed 9/307:15 am -
1 stop4h 55m
Deal found 8/21![Southwest logo]()
$322
This Southwest deal was found by Cheapflights users on 8/20. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/174:40 pm -
1 stop5h 35m
Fri 12/255:25 am -
1 stop6h 50m
Deal found 8/20![Southwest logo]()
$326
This Southwest deal was found by Cheapflights users on 8/19. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/189:00 am -
1 stop7h 00m
Mon 9/212:05 pm -
1 stop6h 25m
Deal found 8/19![Southwest logo]()
$354
This Southwest deal was found by Cheapflights users on 8/22. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/233:35 pm -
2 stops8h 15m
Mon 10/261:55 pm -
2 stops8h 35m
Deal found 8/22![Southwest logo]()
$378
This Southwest deal was found by Cheapflights users on 8/22. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/141:40 pm -
1 stop7h 20m
Sun 11/151:50 pm -
2 stops8h 20m
Deal found 8/22![Southwest logo]()
$402
This Southwest deal was found by Cheapflights users on 8/20. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/233:35 pm -
2 stops8h 15m
Sun 10/252:05 pm -
2 stops8h 35m
Deal found 8/20![Southwest logo]()
$442
This Southwest deal was found by Cheapflights users on 8/22. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/266:30 am -
1 stop6h 00m
Wed 12/306:00 pm -
1 stop6h 50m
Deal found 8/22![Southwest logo]()
$462
This Southwest deal was found by Cheapflights users on 8/18. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/42:15 pm -
2 stops8h 05m
Tue 9/87:15 am -
2 stops8h 00m
Deal found 8/18![Southwest logo]()
$509
Last-minute flights from Louisville to DelawareDiscover last-minute flight deals from Louisville to Delaware. Data last updated August 23, 2026 and is based on user searches.
Discover last-minute flight deals from Louisville to Delaware. Data last updated August 23, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 8/20. 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 8/317:43 pm -
1 stop29h 33m
Tue 9/85:32 pm -
1 stop16h 39m
Deal found 8/20![Multiple Airlines logo]()
$303
This Kiwi.com deal was found by Cheapflights users on 8/20. 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 8/317:43 pm -
1 stop29h 33m
Thu 9/105:32 pm -
2 stops40h 39m
Deal found 8/20![Multiple Airlines logo]()
$313
This Kiwi.com deal was found by Cheapflights users on 8/20. 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.
Sat 9/58:46 pm -
1 stop14h 29m
Tue 9/85:32 pm -
1 stop16h 39m
Deal found 8/20![Multiple Airlines logo]()
$298
This Kiwi.com deal was found by Cheapflights users on 8/21. 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.
Fri 9/111:46 pm -
1 stop10h 44m
Sun 9/137:50 am -
1 stop26h 35m
Deal found 8/21![Multiple Airlines logo]()
$302
This Kiwi.com deal was found by Cheapflights users on 8/18. 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.
Sat 9/1210:56 am -
1 stop5h 31m
Sun 9/137:50 am -
1 stop26h 35m
Deal found 8/18![Multiple Airlines logo]()
$284
This Kiwi.com deal was found by Cheapflights users on 8/20. 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 9/209:09 pm -
2 stops34h 07m
Sun 9/277:50 am -
1 stop26h 35m
Deal found 8/20![Multiple Airlines logo]()
$312
This Kiwi.com deal was found by Cheapflights users on 8/20. 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 9/249:09 pm -
1 stop27h 21m
Mon 9/288:45 am -
1 stop12h 17m
Deal found 8/20![Multiple Airlines logo]()
$277
This Kiwi.com deal was found by Cheapflights users on 8/22. 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.
Sat 9/2610:56 am -
1 stop5h 31m
Fri 10/26:42 pm -
1 stop17h 52m
Deal found 8/22![Multiple Airlines logo]()
$300
This Kiwi.com deal was found by Cheapflights users on 8/22. 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.
Sat 9/2610:56 am -
1 stop5h 31m
Wed 9/309:30 am -
1 stop11h 01m
Deal found 8/22![Multiple Airlines logo]()
$307
One-way flights from Louisville to DelawareSearch for one-way flight options from Louisville to Delaware. Find affordable one-way fares based on user searches. Data last updated August 23, 2026.
Search for one-way flight options from Louisville to Delaware. Find affordable one-way fares based on user searches. Data last updated August 23, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/19. 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.
Wed 11/184:06 pm -
1 stop7h 21m
Deal found 8/19![Multiple Airlines logo]()
$107
This Kiwi.com deal was found by Cheapflights users on 8/20. 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.
Sat 9/1910:56 am -
1 stop5h 31m
Deal found 8/20![Multiple Airlines logo]()
$108
This Kiwi.com deal was found by Cheapflights users on 8/19. 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 10/19:09 pm -
1 stop20h 43m
Deal found 8/19![Multiple Airlines logo]()
$120
This Kiwi.com deal was found by Cheapflights users on 8/19. 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 9/179:09 pm -
2 stops34h 07m
Deal found 8/19![Multiple Airlines logo]()
$125
This Kiwi.com deal was found by Cheapflights users on 8/19. 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 11/166:53 pm -
1 stop19h 34m
Deal found 8/19![Multiple Airlines logo]()
$129
This Kiwi.com deal was found by Cheapflights users on 8/21. 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.
Wed 9/237:06 pm -
1 stop21h 21m
Deal found 8/21![Multiple Airlines logo]()
$132
This Kiwi.com deal was found by Cheapflights users on 8/19. 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.
Wed 9/1610:56 am -
2 stops12h 22m
Deal found 8/19![Multiple Airlines logo]()
$133
Find flight deals from Louisville to Delaware
Keep the following information in mind while searching for Louisville to Delaware flight deals. Data was last updated August 23, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $255 (Kiwi.com) |
One-way from | $99 (Kiwi.com) |
Popular in | September |
Cheapest in | April |
Average price | $573 |
Cheapflights Fare Finder
Customize your flight search to find flights from Louisville to Delaware 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 August 23, 2026.
Use the filters below to find and compare flights from Louisville to Delaware that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
LouisvillePhiladelphia
SDF Louisville Intl - PHL Philadelphia
SDFPHL
Louisville Intl
Thu 10/1
8:20 am-2:40 pm
1 stop6h 20m
Philadelphia
Mon 10/5
5:55 am-12:15 pm
1 stop6h 20m
$317
LouisvillePhiladelphia
SDF Louisville Intl - PHL Philadelphia
SDFPHL
Louisville Intl
Tue 9/29
1:15 pm-9:55 pm
2 stops8h 40m
Philadelphia
Wed 9/30
7:15 am-12:10 pm
1 stop4h 55m
$322
Quickest round-trip
LouisvillePhiladelphia
SDF Louisville Intl - PHL Philadelphia
SDFPHL
Louisville Intl
Thu 12/17
4:40 pm-10:15 pm
1 stop5h 35m
Philadelphia
Fri 12/25
5:25 am-12:15 pm
1 stop6h 50m
$326
LouisvillePhiladelphia
SDF Louisville Intl - PHL Philadelphia
SDFPHL
Louisville Intl
Fri 9/18
9:00 am-4:00 pm
1 stop7h 00m
Philadelphia
Mon 9/21
2:05 pm-8:30 pm
1 stop6h 25m
$354
LouisvillePhiladelphia
SDF Louisville Intl - PHL Philadelphia
SDFPHL
Louisville Intl
Fri 10/23
3:35 pm-11:50 pm
2 stops8h 15m
Philadelphia
Mon 10/26
1:55 pm-10:30 pm
2 stops8h 35m
$378
LouisvillePhiladelphia
SDF Louisville Intl - PHL Philadelphia
SDFPHL
Louisville Intl
Sat 11/14
1:40 pm-9:00 pm
1 stop7h 20m
Philadelphia
Sun 11/15
1:50 pm-10:10 pm
2 stops8h 20m
$402
LouisvillePhiladelphia
SDF Louisville Intl - PHL Philadelphia
SDFPHL
Louisville Intl
Fri 10/23
3:35 pm-11:50 pm
2 stops8h 15m
Philadelphia
Sun 10/25
2:05 pm-10:40 pm
2 stops8h 35m
$442
LouisvillePhiladelphia
SDF Louisville Intl - PHL Philadelphia
SDFPHL
Louisville Intl
Sat 12/26
6:30 am-12:30 pm
1 stop6h 00m
Philadelphia
Wed 12/30
6:00 pm-12:50 am
1 stop6h 50m
$462
LouisvillePhiladelphia
SDF Louisville Intl - PHL Philadelphia
SDFPHL
Louisville Intl
Fri 9/4
2:15 pm-10:20 pm
2 stops8h 05m
Philadelphia
Tue 9/8
7:15 am-3:15 pm
2 stops8h 00m
$509
Cheapest one-way
Quickest one-way
LouisvillePhiladelphia
SDF Louisville Intl - PHL Philadelphia
SDFPHL
Louisville Intl
Sat 10/3
4:35 pm-8:55 pm
1 stop4h 20m
$174
Showing 1-10 of 19 resultsSorted by cheapest first
Best time to book a flight from Louisville to Delaware
Have a flexible travel schedule? Discover the best time to fly to Delaware from Louisville with our price prediction graph.
SDF-PHL
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 Louisville to Delaware
SDF-USDE
SDF-PHL
No data available for this route at this time. Please check back soon.
Related info for your journey
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