$120+ Cheap flights from Maine to Louisville (SDF)
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 9/5. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — SDF
Jul 14 — Jul 211
Round-trip
1 adult, Economy
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Find cheap flights from Maine to Louisville 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 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 June 14, 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 June 14, 2026.
This Delta deal was found by Cheapflights users on 6/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/106:00 am
PWM
- SDF
1 stop6h 56m
Delta
Tue 9/157:55 am
SDF
- PWM
1 stop4h 15m
Delta
Deal found 6/10![Delta logo]()
$283
This United Airlines deal was found by Cheapflights users on 6/10. 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.
Thu 9/105:15 am
PWM
- SDF
1 stop5h 03m
United Airlines
Tue 9/155:15 am
SDF
- PWM
2 stops9h 23m
United Airlines
Deal found 6/10![United Airlines logo]()
$288
This United Airlines deal was found by Cheapflights users on 6/10. 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.
Wed 8/55:15 am
PWM
- SDF
1 stop5h 08m
United Airlines
Sat 8/151:50 pm
SDF
- PWM
1 stop7h 33m
United Airlines
Deal found 6/10![United Airlines logo]()
$297
This American Airlines deal was found by Cheapflights users on 6/11. 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 7/76:30 am
BGR
- SDF
1 stop5h 17m
American Airlines
Tue 7/216:00 am
SDF
- BGR
1 stop4h 40m
American Airlines
Deal found 6/11![American Airlines logo]()
$311
This Delta deal was found by Cheapflights users on 6/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/106:00 am
PWM
- SDF
1 stop4h 55m
Delta
Mon 9/1411:45 am
SDF
- PWM
1 stop5h 04m
Delta
Deal found 6/10![Delta logo]()
$317
This American Airlines deal was found by Cheapflights users on 6/12. 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 7/36:54 am
BGR
- SDF
1 stop4h 53m
American Airlines
Mon 7/66:48 am
SDF
- BGR
1 stop5h 31m
American Airlines
Deal found 6/12![American Airlines logo]()
$319
This Southwest deal was found by Cheapflights users on 6/10. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/101:05 pm
PWM
- SDF
2 stops8h 50m
Southwest
Mon 9/142:15 pm
SDF
- PWM
1 stop7h 15m
Southwest
Deal found 6/10![Southwest logo]()
$323
This American Airlines deal was found by Cheapflights users on 6/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/217:28 am
PWM
- SDF
1 stop4h 39m
American Airlines
Sat 8/296:18 pm
SDF
- PWM
1 stop5h 19m
American Airlines
Deal found 6/10![American Airlines logo]()
$334
This United Airlines deal was found by Cheapflights users on 6/10. 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.
Fri 8/215:15 am
PWM
- SDF
1 stop5h 03m
United Airlines
Sat 8/297:10 am
SDF
- PWM
2 stops7h 28m
United Airlines
Deal found 6/10![United Airlines logo]()
$339
This Southwest deal was found by Cheapflights users on 6/10. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/295:40 am
PWM
- SDF
1 stop7h 00m
Southwest
Sat 8/293:50 pm
SDF
- PWM
1 stop5h 10m
Southwest
Deal found 6/10![Southwest logo]()
$340
This Southwest deal was found by Cheapflights users on 6/10. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2110:30 am
PWM
- SDF
2 stops10h 00m
Southwest
Sat 8/296:45 am
SDF
- PWM
2 stops8h 15m
Southwest
Deal found 6/10![Southwest logo]()
$345
This United Airlines deal was found by Cheapflights users on 6/10. 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.
Sat 8/294:43 pm
BGR
- SDF
1 stop7h 16m
United Airlines
Tue 9/16:15 am
SDF
- BGR
1 stop4h 32m
United Airlines
Deal found 6/10![United Airlines logo]()
$349
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 June 14, 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 June 14, 2026.
This American Airlines deal was found by Cheapflights users on 6/11. 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 7/76:30 am
BGR
- SDF
1 stop5h 17m
American Airlines
Tue 7/216:00 am
SDF
- BGR
1 stop4h 40m
American Airlines
Deal found 6/11![American Airlines logo]()
$311
This Delta deal was found by Cheapflights users on 6/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/106:00 am
PWM
- SDF
1 stop4h 55m
Delta
Mon 9/1411:45 am
SDF
- PWM
1 stop5h 04m
Delta
Deal found 6/10![Delta logo]()
$317
This Southwest deal was found by Cheapflights users on 6/10. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/101:05 pm
PWM
- SDF
2 stops8h 50m
Southwest
Mon 9/142:15 pm
SDF
- PWM
1 stop7h 15m
Southwest
Deal found 6/10![Southwest logo]()
$323
This United Airlines deal was found by Cheapflights users on 6/13. 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 8/294:43 pm
BGR
- SDF
1 stop7h 16m
United Airlines
Tue 9/110:43 am
SDF
- BGR
1 stop7h 42m
United Airlines
Deal found 6/13![United Airlines logo]()
$349
This United Airlines deal was found by Cheapflights users on 6/11. 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 9/56:00 am
PWM
- SDF
1 stop6h 22m
United Airlines
Wed 9/97:10 am
SDF
- PWM
1 stop7h 21m
United Airlines
Deal found 6/11![United Airlines logo]()
$353
This Delta deal was found by Cheapflights users on 6/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/179:26 am
BOS
- SDF
Nonstop2h 43m
Delta
Tue 7/2112:49 pm
SDF
- BOS
Nonstop2h 36m
Delta
Deal found 6/10![Delta logo]()
$394
This Southwest deal was found by Cheapflights users on 6/13. 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.
Wed 7/295:25 am
BOS
- SDF
2 stops6h 40m
Southwest
Sat 8/19:00 am
SDF
- BOS
1 stop6h 45m
Southwest
Deal found 6/13![Southwest logo]()
$410
This Southwest deal was found by Cheapflights users on 6/13. 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 9/81:05 pm
BOS
- SDF
2 stops7h 30m
Southwest
Fri 9/112:15 pm
SDF
- BOS
2 stops8h 05m
Southwest
Deal found 6/13![Southwest logo]()
$415
This United Airlines deal was found by Cheapflights users on 6/10. 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.
Wed 7/85:15 am
PWM
- SDF
1 stop5h 08m
United Airlines
Wed 7/156:00 am
SDF
- PWM
2 stops7h 25m
United Airlines
Deal found 6/10![United Airlines logo]()
$424
This Delta deal was found by Cheapflights users on 6/12. 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 6/202:29 pm
BOS
- SDF
Nonstop2h 43m
Delta
Sat 6/275:30 pm
SDF
- BOS
Nonstop2h 38m
Delta
Deal found 6/12![Delta logo]()
$457
This Southwest deal was found by Cheapflights users on 6/12. 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 7/105:45 am
BOS
- SDF
1 stop6h 45m
Southwest
Tue 7/145:35 am
SDF
- BOS
1 stop4h 15m
Southwest
Deal found 6/12![Southwest logo]()
$423
This Southwest deal was found by Cheapflights users on 6/9. 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.
Fri 7/312:55 pm
BOS
- SDF
2 stops9h 00m
Southwest
Sun 7/55:30 pm
SDF
- BOS
1 stop6h 40m
Southwest
Deal found 6/9![Southwest logo]()
$437
This Southwest deal was found by Cheapflights users on 6/12. 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 7/25:25 am
BOS
- SDF
1 stop4h 40m
Southwest
Wed 7/85:25 pm
SDF
- BOS
1 stop6h 10m
Southwest
Deal found 6/12![Southwest logo]()
$454
This Southwest deal was found by Cheapflights users on 6/9. 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.
Mon 7/271:25 pm
BOS
- SDF
2 stops9h 05m
Southwest
Thu 7/3010:45 am
SDF
- BOS
1 stop6h 25m
Southwest
Deal found 6/9![Southwest logo]()
$458
This Southwest deal was found by Cheapflights users on 6/11. 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 7/201:25 pm
BOS
- SDF
2 stops9h 05m
Southwest
Thu 7/236:05 pm
SDF
- BOS
1 stop6h 10m
Southwest
Deal found 6/11![Southwest logo]()
$458
This Southwest deal was found by Cheapflights users on 6/11. 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 7/3012:55 pm
BOS
- SDF
2 stops9h 05m
Southwest
Sun 8/26:25 pm
SDF
- BOS
1 stop6h 30m
Southwest
Deal found 6/11![Southwest logo]()
$458
Last-minute flights from Maine to LouisvilleDiscover last-minute flight deals from Maine to Louisville. Data last updated June 14, 2026 and is based on user searches.
Discover last-minute flight deals from Maine to Louisville. Data last updated June 14, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 6/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/255:45 am
BGR
- SDF
1 stop5h 18m
American Airlines
Mon 6/296:25 pm
SDF
- BGR
1 stop5h 20m
American Airlines
Deal found 6/10![American Airlines logo]()
$369
This Kiwi.com deal was found by Cheapflights users on 6/12. 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 6/268:47 am
BOS
- SDF
1 stop23h 49m
Multiple Airlines
Mon 6/299:10 pm
SDF
- BOS
2 stops28h 17m
Multiple Airlines
Deal found 6/12![Multiple Airlines logo]()
$402
This American Airlines deal was found by Cheapflights users on 6/9. 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 6/302:00 pm
BOS
- SDF
Nonstop2h 37m
American Airlines
Tue 7/75:10 pm
SDF
- BOS
Nonstop2h 26m
American Airlines
Deal found 6/9![American Airlines logo]()
$406
This Southwest deal was found by Cheapflights users on 6/10. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/13:45 pm
PWM
- SDF
1 stop7h 25m
Southwest
Fri 7/105:05 pm
SDF
- PWM
1 stop7h 05m
Southwest
Deal found 6/10![Southwest logo]()
$381
This American Airlines deal was found by Cheapflights users on 6/12. 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 7/36:54 am
BGR
- SDF
1 stop4h 53m
American Airlines
Mon 7/66:48 am
SDF
- BGR
1 stop5h 31m
American Airlines
Deal found 6/12![American Airlines logo]()
$319
This American Airlines deal was found by Cheapflights users on 6/11. 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 7/76:30 am
BGR
- SDF
1 stop5h 17m
American Airlines
Tue 7/216:00 am
SDF
- BGR
1 stop4h 40m
American Airlines
Deal found 6/11![American Airlines logo]()
$311
This American Airlines deal was found by Cheapflights users on 6/12. 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 7/106:30 am
BGR
- SDF
1 stop5h 17m
American Airlines
Fri 7/176:00 am
SDF
- BGR
1 stop4h 29m
American Airlines
Deal found 6/12![American Airlines logo]()
$395
This Southwest deal was found by Cheapflights users on 6/10. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/153:45 pm
PWM
- SDF
1 stop7h 30m
Southwest
Sat 7/255:15 pm
SDF
- PWM
1 stop6h 30m
Southwest
Deal found 6/10![Southwest logo]()
$368
This Delta deal was found by Cheapflights users on 6/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/209:26 am
BOS
- SDF
Nonstop2h 43m
Delta
Sat 7/253:45 pm
SDF
- BOS
Nonstop2h 37m
Delta
Deal found 6/10![Delta logo]()
$394
This Kiwi.com deal was found by Cheapflights users on 6/9. 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.
Wed 7/2210:04 am
BOS
- SDF
1 stop28h 29m
Multiple Airlines
Thu 7/309:19 pm
SDF
- BOS
1 stop11h 50m
Multiple Airlines
Deal found 6/9![Multiple Airlines logo]()
$395
This Southwest deal was found by Cheapflights users on 6/12. 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.
Wed 7/225:25 am
BOS
- SDF
1 stop7h 00m
Southwest
Thu 7/3010:45 am
SDF
- BOS
1 stop6h 25m
Southwest
Deal found 6/12![Southwest logo]()
$405
This United Airlines deal was found by Cheapflights users on 6/11. 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 7/265:15 am
PWM
- SDF
1 stop5h 08m
United Airlines
Tue 8/41:48 pm
SDF
- PWM
1 stop5h 39m
United Airlines
Deal found 6/11![United Airlines logo]()
$374
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 June 14, 2026.
Search for one-way flight options from Maine to Louisville. Find affordable one-way fares based on user searches. Data last updated June 14, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/11. 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 9/58:40 am
BOS
- SDF
1 stop11h 26m
Multiple Airlines
Deal found 6/11![Multiple Airlines logo]()
$120
This Southwest deal was found by Cheapflights users on 6/9. 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.
Wed 8/55:25 am
BOS
- SDF
1 stop7h 15m
Southwest
Deal found 6/9![Southwest logo]()
$123
This Kiwi.com deal was found by Cheapflights users on 6/12. 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 7/108:41 am
BOS
- SDF
1 stop23h 55m
Multiple Airlines
Deal found 6/12![Multiple Airlines logo]()
$130
This Kiwi.com deal was found by Cheapflights users on 6/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/410:59 am
BOS
- SDF
1 stop5h 55m
Allegiant Air
Deal found 6/10![Allegiant Air logo]()
$145
This Kiwi.com deal was found by Cheapflights users on 6/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/410:59 am
BOS
- SDF
2 stops31h 16m
Multiple Airlines
Deal found 6/10![Multiple Airlines logo]()
$157
This United Airlines deal was found by Cheapflights users on 6/12. 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 7/145:00 pm
PWM
- SDF
1 stop6h 59m
United Airlines
Deal found 6/12![United Airlines logo]()
$159
This Kiwi.com deal was found by Cheapflights users on 6/11. 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 9/86:00 am
BOS
- SDF
2 stops28h 11m
Multiple Airlines
Deal found 6/11![Multiple Airlines logo]()
$163
This Kiwi.com deal was found by Cheapflights users on 6/12. 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 8/1211:59 am
BOS
- SDF
2 stops22h 33m
Multiple Airlines
Deal found 6/12![Multiple Airlines logo]()
$164
This Kiwi.com deal was found by Cheapflights users on 6/11. 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 8/1111:59 am
BOS
- SDF
2 stops26h 17m
Multiple Airlines
Deal found 6/11![Multiple Airlines logo]()
$174
This Southwest deal was found by Cheapflights users on 6/14. 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 7/75:00 pm
BOS
- SDF
1 stop6h 15m
Southwest
Deal found 6/14![Southwest logo]()
$179
This Kiwi.com deal was found by Cheapflights users on 6/11. 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 9/1010:15 am
BOS
- SDF
2 stops24h 20m
Allegiant Air
Deal found 6/11![Allegiant Air logo]()
$180
This Southwest deal was found by Cheapflights users on 6/10. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/185:35 am
PWM
- SDF
1 stop6h 35m
Southwest
Deal found 6/10![Southwest logo]()
$191
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 June 14, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $283 (Delta) |
One-way from | $120 (Kiwi.com) |
Popular in | July |
Cheapest in | February |
Average price | $416 |
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 2,558,603 searches. Data last updated June 14, 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
BangorLouisville
BGR - SDF
BGRSDF
Bangor
Tue 7/7
6:30 am-11:47 am
1 stop5h 17m
Louisville Intl
Tue 7/21
6:00 am-10:40 am
1 stop4h 40m
$311
PortlandLouisville
PWM - SDF
PWMSDF
Portland
Thu 9/10
6:00 am-10:55 am
1 stop4h 55m
Louisville Intl
Mon 9/14
11:45 am-4:49 pm
1 stop5h 04m
$317
PortlandLouisville
PWM - SDF
PWMSDF
Portland
Thu 9/10
1:05 pm-9:55 pm
2 stops8h 50m
Louisville Intl
Mon 9/14
2:15 pm-9:30 pm
1 stop7h 15m
$323
BangorLouisville
BGR - SDF
BGRSDF
Bangor
Sat 8/29
4:43 pm-11:59 pm
1 stop7h 16m
Louisville Intl
Tue 9/1
10:43 am-6:25 pm
1 stop7h 42m
$349
PortlandLouisville
PWM - SDF
PWMSDF
Portland
Sat 9/5
6:00 am-12:22 pm
1 stop6h 22m
Louisville Intl
Wed 9/9
7:10 am-2:31 pm
1 stop7h 21m
$353
Quickest round-trip
BostonLouisville
BOS - SDF
BOSSDF
Boston Logan Intl
Fri 7/17
9:26 am-12:09 pm
Nonstop2h 43m
Louisville Intl
Tue 7/21
12:49 pm-3:25 pm
Nonstop2h 36m
$394
BostonLouisville
BOS - SDF
BOSSDF
Boston Logan Intl
Wed 7/29
5:25 am-12:05 pm
2 stops6h 40m
Louisville Intl
Sat 8/1
9:00 am-3:45 pm
1 stop6h 45m
$410
BostonLouisville
BOS - SDF
BOSSDF
Boston Logan Intl
Tue 9/8
1:05 pm-8:35 pm
2 stops7h 30m
Louisville Intl
Fri 9/11
2:15 pm-10:20 pm
2 stops8h 05m
$415
BostonLouisville
BOS - SDF
BOSSDF
Boston Logan Intl
Fri 7/10
5:45 am-12:30 pm
1 stop6h 45m
Louisville Intl
Tue 7/14
5:35 am-9:50 am
1 stop4h 15m
$423
PortlandLouisville
PWM - SDF
PWMSDF
Portland
Wed 7/8
5:15 am-10:23 am
1 stop5h 08m
Louisville Intl
Wed 7/15
6:00 am-1:25 pm
2 stops7h 25m
$424
Showing 1-10 of 38 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.
BGR-SDF
PWM-SDF
BOS-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
BGR-SDF
PWM-SDF
BOS-SDF
What is the cheapest month to book a flight from Maine to Louisville?
Currently, December is the cheapest month in which you can book a flight from Maine to Louisville (average of $153). Flying from Maine to Louisville in April is currently the most expensive (average of $446). 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?
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 locationsCorydon
Shepherdsville
Elizabethtown
Jeffersonville
Bardstown
Browse thousands of different options on Cheapflights for your next trip
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Alternative routes for Maine to Louisville
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Complete your trip
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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 June 14, 2026.
Maine and Louisville flights
Browse other Maine and Louisville flight options. Last updated on June 14, 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 2,558,603 searches. Data last updated June 14, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$258 | Average$419 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$267 | Average$389 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$317 | Average$406 | FlexibilityNo cancel fee | On-time69% |