$122+ Cheap flights from Maine to Louisville (SDF)
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 11/1. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — SDF
Oct 10 — Oct 171
Round-trip
1 adult, Economy
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Find cheap flights from Maine to Louisville 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 Maine to Louisville
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Cheapest flights from Maine to LouisvilleExplore the most affordable flight options available from Maine to Louisville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 10, 2026.
Explore the most affordable flight options available from Maine to Louisville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 10, 2026.
This American Airlines deal was found by Cheapflights users on 9/8. 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.
Wed 9/3012:00 pm -
1 stop9h 27m
Tue 10/66:00 am -
1 stop8h 51m
Deal found 9/8![American Airlines logo]()
$313
This Kiwi.com deal was found by Cheapflights users on 9/7. 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 11/13:10 pm -
1 stop18h 35m
Sun 11/89:09 pm -
2 stops43h 15m
Deal found 9/7![Multiple Airlines logo]()
$345
This American Airlines deal was found by Cheapflights users on 9/9. 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.
Wed 12/912:30 pm -
1 stop8h 57m
Mon 12/1411:17 am -
1 stop7h 34m
Deal found 9/9![American Airlines logo]()
$349
This American Airlines deal was found by Cheapflights users on 9/8. 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.
Tue 9/298:25 am -
1 stop8h 53m
Tue 10/66:00 am -
1 stop8h 51m
Deal found 9/8![American Airlines logo]()
$359
This American Airlines deal was found by Cheapflights users on 9/8. 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.
Fri 9/114:25 pm -
1 stop6h 30m
Wed 9/165:48 pm -
1 stop6h 11m
Deal found 9/8![American Airlines logo]()
$363
This United Airlines deal was found by Cheapflights users on 9/8. 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 9/156:14 am -
2 stops12h 53m
Sat 9/191:55 pm -
1 stop4h 31m
Deal found 9/8![United Airlines logo]()
$371
This Kiwi.com deal was found by Cheapflights users on 9/7. 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.
Tue 10/2711:12 am -
2 stops22h 59m
Fri 10/308:10 pm -
1 stop13h 19m
Deal found 9/7![Multiple Airlines logo]()
$376
This Southwest deal was found by Cheapflights users on 9/7. 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 10/165:20 am -
2 stops9h 40m
Mon 10/193:35 pm -
1 stop6h 20m
Deal found 9/7![Southwest logo]()
$376
This Southwest deal was found by Cheapflights users on 9/8. 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 11/125:35 am -
1 stop6h 55m
Mon 11/163:10 pm -
1 stop6h 40m
Deal found 9/8![Southwest logo]()
$377
This KAYAK deal was found by Cheapflights users on 9/8. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/276:28 am -
1 stop4h 42m
Thu 10/296:00 am -
1 stop7h 12m
Deal found 9/8![Delta logo]()
$377
This Southwest deal was found by Cheapflights users on 9/8. 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 9/295:25 am -
2 stops9h 50m
Tue 10/65:45 am -
1 stop6h 40m
Deal found 9/8![Southwest logo]()
$382
This Delta deal was found by Cheapflights users on 9/9. 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 12/29:55 am -
Nonstop2h 54m
Sat 12/51:45 pm -
Nonstop2h 21m
Deal found 9/9![Delta logo]()
$385
Best flights from Maine to LouisvilleDiscover carefully curated flight deals from Maine to Louisville that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 10, 2026.
Discover carefully curated flight deals from Maine to Louisville that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 10, 2026.
This Southwest deal was found by Cheapflights users on 9/8. 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 11/125:35 am -
1 stop6h 55m
Mon 11/163:10 pm -
1 stop6h 40m
Deal found 9/8![Southwest logo]()
$377
This American Airlines deal was found by Cheapflights users on 9/9. 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.
Tue 11/1012:39 pm -
1 stop8h 48m
Sun 11/157:47 am -
1 stop6h 48m
Deal found 9/9![American Airlines logo]()
$398
This United Airlines deal was found by Cheapflights users on 9/9. 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 2/26:00 am -
2 stops10h 32m
Wed 2/310:00 am -
1 stop4h 34m
Deal found 9/9![United Airlines logo]()
$410
This Delta deal was found by Cheapflights users on 9/9. 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.
Sat 9/1912:20 pm -
1 stop4h 51m
Tue 9/221:15 pm -
1 stop4h 45m
Deal found 9/9![Delta logo]()
$507
This Kiwi.com deal was found by Cheapflights users on 9/5. 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 10/47:05 pm -
1 stop23h 52m
Sat 10/109:23 pm -
1 stop13h 23m
Deal found 9/5![Allegiant Air logo]()
$583
This Southwest deal was found by Cheapflights users on 9/9. 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 11/105:30 am -
1 stop7h 30m
Sun 11/154:40 pm -
2 stops7h 10m
Deal found 9/9![Southwest logo]()
$435
This American Airlines deal was found by Cheapflights users on 9/5. 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.
Sat 10/177:11 am -
1 stop6h 15m
Sun 10/256:00 am -
1 stop6h 36m
Deal found 9/5![American Airlines logo]()
$443
This United Airlines deal was found by Cheapflights users on 9/7. 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 10/155:15 am -
1 stop5h 03m
Mon 10/196:00 am -
2 stops7h 51m
Deal found 9/7![United Airlines logo]()
$465
This Southwest deal was found by Cheapflights users on 9/8. 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 10/155:20 am -
1 stop6h 15m
Fri 10/163:35 pm -
2 stops8h 20m
Deal found 9/8![Southwest logo]()
$442
This Southwest deal was found by Cheapflights users on 9/5. 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 12/811:20 am -
2 stops10h 30m
Sun 12/135:40 am -
1 stop6h 35m
Deal found 9/5![Southwest logo]()
$449
This Delta deal was found by Cheapflights users on 9/6. 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 9/305:17 am -
1 stop5h 48m
Sun 10/48:09 am -
1 stop5h 24m
Deal found 9/6![Delta logo]()
$559
This United Airlines deal was found by Cheapflights users on 9/9. 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 11/125:30 am -
1 stop14h 00m
Sun 11/157:00 am -
2 stops7h 32m
Deal found 9/9![United Airlines logo]()
$522
This United Airlines deal was found by Cheapflights users on 9/6. 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 11/246:00 am -
3 stops10h 57m
Fri 11/272:10 pm -
2 stops7h 49m
Deal found 9/6![United Airlines logo]()
$560
This Southwest deal was found by Cheapflights users on 9/5. 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 9/157:30 am -
1 stop7h 45m
Thu 9/172:15 pm -
1 stop7h 40m
Deal found 9/5![Southwest logo]()
$553
This Southwest deal was found by Cheapflights users on 9/8. 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.
Mon 9/213:25 pm -
1 stop5h 10m
Wed 9/231:15 pm -
2 stops9h 00m
Deal found 9/8![Southwest logo]()
$558
This United Airlines deal was found by Cheapflights users on 9/9. 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 9/235:45 am -
2 stops7h 23m
Tue 9/292:12 pm -
1 stop20h 20m
Deal found 9/9![United Airlines logo]()
$624
This United Airlines deal was found by Cheapflights users on 9/9. 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 11/711:00 am -
2 stops11h 30m
Wed 11/111:45 pm -
1 stop20h 34m
Deal found 9/9![United Airlines logo]()
$688
This United Airlines deal was found by Cheapflights users on 9/6. 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 9/3012:08 pm -
1 stop5h 32m
Sun 10/46:00 am -
2 stops15h 39m
Deal found 9/6![United Airlines logo]()
$798
Last-minute flights from Maine to LouisvilleDiscover last-minute flight deals from Maine to Louisville. Data last updated September 10, 2026 and is based on user searches.
Discover last-minute flight deals from Maine to Louisville. Data last updated September 10, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 9/8. 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.
Fri 9/114:25 pm -
1 stop6h 30m
Wed 9/165:48 pm -
1 stop6h 11m
Deal found 9/8![American Airlines logo]()
$363
This United Airlines deal was found by Cheapflights users on 9/8. 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 9/156:14 am -
2 stops12h 53m
Sat 9/191:55 pm -
1 stop4h 31m
Deal found 9/8![United Airlines logo]()
$371
This American Airlines deal was found by Cheapflights users on 9/8. 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.
Tue 9/298:25 am -
1 stop8h 53m
Tue 10/66:00 am -
1 stop8h 51m
Deal found 9/8![American Airlines logo]()
$359
This Southwest deal was found by Cheapflights users on 9/8. 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 9/294:55 pm -
1 stop4h 40m
Mon 10/55:10 pm -
1 stop4h 10m
Deal found 9/8![Southwest logo]()
$377
This Southwest deal was found by Cheapflights users on 9/8. 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 9/295:25 am -
2 stops9h 50m
Tue 10/65:45 am -
1 stop6h 40m
Deal found 9/8![Southwest logo]()
$382
This American Airlines deal was found by Cheapflights users on 9/8. 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.
Wed 9/3012:00 pm -
1 stop9h 27m
Tue 10/66:00 am -
1 stop8h 51m
Deal found 9/8![American Airlines logo]()
$313
This American Airlines deal was found by Cheapflights users on 9/6. 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.
Tue 10/62:57 pm -
Nonstop2h 41m
Tue 10/136:08 pm -
Nonstop2h 24m
Deal found 9/6![American Airlines logo]()
$385
This United Airlines deal was found by Cheapflights users on 9/10. 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 10/66:55 pm -
1 stop4h 46m
Sun 10/115:15 am -
1 stop5h 25m
Deal found 9/10![United Airlines logo]()
$386
This American Airlines deal was found by Cheapflights users on 9/9. 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.
Wed 10/79:26 am -
1 stop7h 57m
Wed 10/146:08 pm -
Nonstop2h 24m
Deal found 9/9![American Airlines logo]()
$349
This Southwest deal was found by Cheapflights users on 9/7. 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 10/165:20 am -
2 stops9h 40m
Mon 10/193:35 pm -
1 stop6h 20m
Deal found 9/7![Southwest logo]()
$376
This Kiwi.com deal was found by Cheapflights users on 9/7. 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.
Tue 10/2711:12 am -
2 stops22h 59m
Fri 10/308:10 pm -
1 stop13h 19m
Deal found 9/7![Multiple Airlines logo]()
$376
This KAYAK deal was found by Cheapflights users on 9/8. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/276:28 am -
1 stop4h 42m
Thu 10/296:00 am -
1 stop7h 12m
Deal found 9/8![Delta logo]()
$377
One-way flights from Maine to LouisvilleSearch for one-way flight options from Maine to Louisville. Find affordable one-way fares based on user searches. Data last updated September 10, 2026.
Search for one-way flight options from Maine to Louisville. Find affordable one-way fares based on user searches. Data last updated September 10, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 11/13:10 pm -
1 stop18h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Breeze Airways logo]()
$122
This Kiwi.com deal was found by Cheapflights users on 9/8. 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 11/1112:39 pm -
2 stops31h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Multiple Airlines logo]()
$154
This Kiwi.com deal was found by Cheapflights users on 9/5. 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 12/610:31 am -
1 stop25h 17m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![Allegiant Air logo]()
$171
This Kiwi.com deal was found by Cheapflights users on 9/8. 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 11/812:34 pm -
1 stop29h 29m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Allegiant Air logo]()
$178
This Kiwi.com deal was found by Cheapflights users on 9/5. 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 10/3111:27 am -
2 stops34h 02m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![Multiple Airlines logo]()
$181
This Kiwi.com deal was found by Cheapflights users on 9/8. 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.
Tue 9/2912:52 pm -
2 stops31h 39m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Multiple Airlines logo]()
$182
This Southwest deal was found by Cheapflights users on 9/8. 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 9/292:45 pm -
1 stop6h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Southwest logo]()
$189
This United Airlines deal was found by Cheapflights users on 9/6. 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 9/3010:43 am -
1 stop6h 57m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![United Airlines logo]()
$189
This Kiwi.com deal was found by Cheapflights users on 9/5. 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 12/310:29 am -
1 stop25h 19m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![Allegiant Air logo]()
$193
This Southwest deal was found by Cheapflights users on 9/9. 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 10/175:35 am -
2 stops9h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Southwest logo]()
$194
This Southwest deal was found by Cheapflights users on 9/9. 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 10/1510:40 am -
2 stops11h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Southwest logo]()
$200
This Kiwi.com deal was found by Cheapflights users on 9/8. 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.
Tue 11/1012:15 pm -
3 stops27h 11m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Multiple Airlines logo]()
$203
Find flight deals from Maine to Louisville
Keep the following information in mind while searching for Maine to Louisville flight deals. Data was last updated September 10, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $313 (American Airlines) |
One-way from | $122 (Kiwi.com) |
Popular in | December |
Cheapest in | November |
Average price | $406 |
Cheapflights Fare Finder
Customize your flight search to find flights from Maine to Louisville 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 September 10, 2026.
Use the filters below to find and compare flights from Maine to Louisville that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
PortlandLouisville
PWM Portland - SDF Louisville Intl
PWMSDF
Portland
Sun 11/1
3:10 pm-8:02 am
2 stops16h 52m
Louisville Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$183
BostonLouisville
BOS Boston Logan Intl - SDF Louisville Intl
BOSSDF
Boston Logan Intl
Sat 10/17
5:35 am-2:55 pm
2 stops9h 20m
Louisville Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$194
PortlandLouisville
PWM Portland - SDF Louisville Intl
PWMSDF
Portland
Wed 9/30
10:43 am-7:24 pm
2 stops8h 41m
Louisville Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$199
BostonLouisville
BOS Boston Logan Intl - SDF Louisville Intl
BOSSDF
Boston Logan Intl
Thu 10/15
10:40 am-9:40 pm
2 stops11h 00m
Louisville Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$200
BostonLouisville
BOS Boston Logan Intl - SDF Louisville Intl
BOSSDF
Boston Logan Intl
Tue 3/9
5:15 am-12:35 pm
1 stop7h 20m
Louisville Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$203
BostonLouisville
BOS Boston Logan Intl - SDF Louisville Intl
BOSSDF
Boston Logan Intl
Fri 10/30
5:30 pm-12:15 am
1 stop6h 45m
Louisville Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$225
BostonLouisville
BOS Boston Logan Intl - SDF Louisville Intl
BOSSDF
Boston Logan Intl
Sat 10/3
9:20 am-2:55 pm
1 stop5h 35m
Louisville Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$245
PortlandLouisville
PWM Portland - SDF Louisville Intl
PWMSDF
Portland
Thu 9/24
7:00 am-10:11 am
2 stops51h 11m
Louisville Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$249
PortlandLouisville
PWM Portland - SDF Louisville Intl
PWMSDF
Portland
Thu 9/24
6:55 pm-11:41 pm
1 stop4h 46m
Louisville Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$249
BostonLouisville
BOS Boston Logan Intl - SDF Louisville Intl
BOSSDF
Boston Logan Intl
Sun 10/11
10:50 pm-10:10 am
1 stop11h 20m
Louisville Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$271
Showing 1-10 of 43 resultsSorted by cheapest first
Best time to book a flight from Maine to Louisville
Have a flexible travel schedule? Discover the best time to fly to Louisville from Maine with our price prediction graph.
BOS-SDF
PWM-SDF
BGR-SDF
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 Maine to Louisville
USME-SDF
BOS-SDF
PWM-SDF
BGR-SDF
What is the cheapest month to book a flight from Maine to Louisville?
Currently, January is the cheapest month in which you can book a flight from Maine to Louisville (average of $278). Flying from Maine to Louisville in July is currently the most expensive (average of $506). 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.
How much does it cost to fly round-trip from Maine to Louisville?
Airfare is typical for this route at the moment.
Maine to Louisville flights typically cost between $306 and $472 in November.The cheapest round-trip price found within the last 5 days was $345 on Multiple Airlines (Nov 1-Nov 8).
Related info for your journey
Find useful and relevant information for your journey from Maine to Louisville. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Louisville?
Book flights to Louisville if you plan to visit one of these locationsShepherdsville
Elizabethtown
Jeffersonville
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 Maine to Louisville
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Louisville by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Maine to Louisville by cabin class
Find flights from Maine to Louisville, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Other flights to Louisville
Explore flights to Louisville departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 10, 2026.
Maine and Louisville flights
Browse other Maine and Louisville flight options. Last updated on September 10, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Maine to Louisville flights
Consider these flights traveling from Maine to Louisville.
Top 3 airlines flying from Maine to Louisville
Discover the top 3 airlines that operate flights from Maine to Louisville. 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 September 10, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$278 | Average$417 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$289 | Average$416 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$306 | Average$453 | FlexibilityNo cancel fee | On-time69% |