$90+ 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 5/26. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — SDF
May 27 — Jun 31
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 April 27, 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 April 27, 2026.
This Delta deal was found by Cheapflights users on 4/23. 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 6/36:02 am
PWM
- SDF
1 stop4h 38m
Delta
Mon 6/87:49 am
SDF
- PWM
1 stop4h 06m
Delta
Deal found 4/23![Delta logo]()
$290
This Southwest deal was found by Cheapflights users on 4/23. 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 6/36:10 am
PWM
- SDF
1 stop6h 30m
Southwest
Mon 6/85:05 pm
SDF
- PWM
1 stop7h 00m
Southwest
Deal found 4/23![Southwest logo]()
$291
This United Airlines deal was found by Cheapflights users on 4/23. 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 5/136:00 am
PWM
- SDF
1 stop7h 52m
United Airlines
Wed 5/205:36 am
SDF
- PWM
1 stop4h 52m
United Airlines
Deal found 4/23![United Airlines logo]()
$293
This American Airlines deal was found by Cheapflights users on 4/22. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/224:34 pm
BGR
- SDF
1 stop6h 34m
American Airlines
Mon 5/252:46 pm
SDF
- BGR
1 stop7h 56m
American Airlines
Deal found 4/22![American Airlines logo]()
$321
This United Airlines deal was found by Cheapflights users on 4/27. 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 5/274:56 pm
PWM
- SDF
1 stop5h 18m
United Airlines
Wed 6/36:30 am
SDF
- PWM
1 stop6h 55m
United Airlines
Deal found 4/27![United Airlines logo]()
$335
This American Airlines deal was found by Cheapflights users on 4/23. 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 5/85:46 pm
BGR
- SDF
1 stop6h 37m
American Airlines
Tue 5/124:27 pm
SDF
- BGR
1 stop7h 25m
American Airlines
Deal found 4/23![American Airlines logo]()
$340
This American Airlines deal was found by Cheapflights users on 4/22. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/205:46 pm
BGR
- SDF
1 stop6h 37m
American Airlines
Mon 5/256:01 am
SDF
- BGR
1 stop4h 18m
American Airlines
Deal found 4/22![American Airlines logo]()
$343
This Delta deal was found by Cheapflights users on 4/23. 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 5/85:05 am
BGR
- SDF
2 stops9h 37m
Delta
Tue 5/125:30 pm
SDF
- BGR
1 stop6h 03m
Delta
Deal found 4/23![Delta logo]()
$345
This American Airlines deal was found by Cheapflights users on 4/23. 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 5/2111:11 am
BGR
- SDF
1 stop6h 34m
American Airlines
Mon 5/256:01 am
SDF
- BGR
1 stop4h 18m
American Airlines
Deal found 4/23![American Airlines logo]()
$357
This United Airlines deal was found by Cheapflights users on 4/22. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/226:25 pm
PWM
- SDF
1 stop5h 24m
United Airlines
Mon 5/256:00 am
SDF
- PWM
1 stop4h 07m
United Airlines
Deal found 4/22![United Airlines logo]()
$362
This United Airlines deal was found by Cheapflights users on 4/23. 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 5/236:00 am
PWM
- SDF
1 stop7h 35m
United Airlines
Wed 5/276:30 am
SDF
- PWM
1 stop6h 55m
United Airlines
Deal found 4/23![United Airlines logo]()
$370
This Delta deal was found by Cheapflights users on 4/24. 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.
Tue 6/26:02 am
PWM
- SDF
1 stop7h 39m
Delta
Sun 6/710:35 am
SDF
- PWM
1 stop5h 25m
Delta
Deal found 4/24![Delta logo]()
$371
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 April 27, 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 April 27, 2026.
This Delta deal was found by Cheapflights users on 4/22. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/36:02 am
PWM
- SDF
1 stop4h 38m
Delta
Mon 6/87:49 am
SDF
- PWM
1 stop4h 06m
Delta
Deal found 4/22![Delta logo]()
$290
This Southwest deal was found by Cheapflights users on 4/22. 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.
Wed 6/36:10 am
PWM
- SDF
2 stops8h 55m
Southwest
Mon 6/83:35 pm
SDF
- PWM
1 stop6h 35m
Southwest
Deal found 4/22![Southwest logo]()
$296
This United Airlines deal was found by Cheapflights users on 4/27. 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 5/274:56 pm
PWM
- SDF
1 stop5h 18m
United Airlines
Wed 6/36:30 am
SDF
- PWM
1 stop6h 55m
United Airlines
Deal found 4/27![United Airlines logo]()
$335
This Delta deal was found by Cheapflights users on 4/23. 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 5/85:05 am
BGR
- SDF
2 stops9h 37m
Delta
Tue 5/125:30 pm
SDF
- BGR
1 stop6h 03m
Delta
Deal found 4/23![Delta logo]()
$345
This United Airlines deal was found by Cheapflights users on 4/22. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/266:25 pm
PWM
- SDF
1 stop5h 24m
United Airlines
Thu 5/286:00 am
SDF
- PWM
2 stops7h 25m
United Airlines
Deal found 4/22![United Airlines logo]()
$375
This Southwest deal was found by Cheapflights users on 4/23. 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 5/132:25 pm
BOS
- SDF
2 stops6h 40m
Southwest
Fri 5/156:55 am
SDF
- BOS
2 stops8h 10m
Southwest
Deal found 4/23![Southwest logo]()
$402
This Delta deal was found by Cheapflights users on 4/24. 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.
Tue 6/26:02 am
PWM
- SDF
1 stop7h 39m
Delta
Sun 6/710:35 am
SDF
- PWM
1 stop5h 25m
Delta
Deal found 4/24![Delta logo]()
$371
This United Airlines deal was found by Cheapflights users on 4/22. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/235:15 am
PWM
- SDF
1 stop5h 08m
United Airlines
Wed 5/276:30 am
SDF
- PWM
1 stop6h 55m
United Airlines
Deal found 4/22![United Airlines logo]()
$394
This Southwest deal was found by Cheapflights users on 4/22. 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.
Mon 6/227:50 pm
BOS
- SDF
1 stop4h 35m
Southwest
Fri 6/265:05 pm
SDF
- BOS
1 stop4h 35m
Southwest
Deal found 4/22![Southwest logo]()
$413
This Delta deal was found by Cheapflights users on 4/24. 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.
Sun 6/219:28 am
BOS
- SDF
Nonstop2h 38m
Delta
Thu 7/3012:49 pm
SDF
- BOS
Nonstop2h 36m
Delta
Deal found 4/24![Delta logo]()
$393
This United Airlines deal was found by Cheapflights users on 4/26. 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 8/264:15 pm
BGR
- SDF
1 stop6h 07m
United Airlines
Sat 8/2910:15 am
SDF
- BGR
1 stop5h 28m
United Airlines
Deal found 4/26![United Airlines logo]()
$401
This Southwest deal was found by Cheapflights users on 4/23. 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 6/111:20 pm
BOS
- SDF
2 stops9h 05m
Southwest
Mon 6/153:35 pm
SDF
- BOS
2 stops8h 30m
Southwest
Deal found 4/23![Southwest logo]()
$423
This Delta deal was found by Cheapflights users on 4/23. 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 5/76:02 am
PWM
- SDF
1 stop4h 37m
Delta
Mon 5/116:10 am
SDF
- PWM
1 stop6h 28m
Delta
Deal found 4/23![Delta logo]()
$432
This United Airlines deal was found by Cheapflights users on 4/26. 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 5/306:00 am
BOS
- SDF
2 stops10h 49m
United Airlines
Tue 6/211:13 am
SDF
- BOS
1 stop6h 44m
United Airlines
Deal found 4/26![United Airlines logo]()
$440
This Southwest deal was found by Cheapflights users on 4/25. 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.
Sun 6/215:30 am
BOS
- SDF
2 stops7h 35m
Southwest
Tue 6/234:15 pm
SDF
- BOS
2 stops7h 15m
Southwest
Deal found 4/25![Southwest logo]()
$464
This Delta deal was found by Cheapflights users on 4/27. 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 6/182:00 pm
BOS
- SDF
1 stop6h 58m
Delta
Sun 6/2112:46 pm
SDF
- BOS
Nonstop2h 35m
Delta
Deal found 4/27![Delta logo]()
$446
This Delta deal was found by Cheapflights users on 4/25. 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 7/159:26 am
BOS
- SDF
Nonstop2h 43m
Delta
Sun 7/1912:49 pm
SDF
- BOS
Nonstop2h 36m
Delta
Deal found 4/25![Delta logo]()
$447
This Delta deal was found by Cheapflights users on 4/24. 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 6/229:15 am
BOS
- SDF
1 stop4h 24m
Delta
Sat 8/13:45 pm
SDF
- BOS
Nonstop2h 37m
Delta
Deal found 4/24![Delta logo]()
$447
This Delta deal was found by Cheapflights users on 4/22. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/186:00 am
BGR
- SDF
1 stop6h 56m
Delta
Mon 9/213:24 pm
SDF
- BGR
2 stops8h 04m
Delta
Deal found 4/22![Delta logo]()
$587
Last-minute flights from Maine to LouisvilleDiscover last-minute flight deals from Maine to Louisville. Data last updated April 27, 2026 and is based on user searches.
Discover last-minute flight deals from Maine to Louisville. Data last updated April 27, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 4/23. 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 5/85:46 pm
BGR
- SDF
1 stop6h 37m
American Airlines
Tue 5/124:27 pm
SDF
- BGR
1 stop7h 25m
American Airlines
Deal found 4/23![American Airlines logo]()
$340
This Delta deal was found by Cheapflights users on 4/23. 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 5/85:05 am
BGR
- SDF
2 stops9h 37m
Delta
Tue 5/125:30 pm
SDF
- BGR
1 stop6h 03m
Delta
Deal found 4/23![Delta logo]()
$345
This Kiwi.com deal was found by Cheapflights users on 4/23. 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 5/85:45 am
BOS
- SDF
1 stop13h 13m
Multiple Airlines
Sun 5/104:13 pm
SDF
- BOS
1 stop19h 45m
Multiple Airlines
Deal found 4/23![Multiple Airlines logo]()
$382
This United Airlines deal was found by Cheapflights users on 4/23. 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 5/136:00 am
PWM
- SDF
1 stop7h 52m
United Airlines
Wed 5/205:36 am
SDF
- PWM
1 stop4h 52m
United Airlines
Deal found 4/23![United Airlines logo]()
$293
This American Airlines deal was found by Cheapflights users on 4/22. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/205:46 pm
BGR
- SDF
1 stop6h 37m
American Airlines
Mon 5/256:01 am
SDF
- BGR
1 stop4h 18m
American Airlines
Deal found 4/22![American Airlines logo]()
$343
This American Airlines deal was found by Cheapflights users on 4/23. 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 5/2111:11 am
BGR
- SDF
1 stop6h 34m
American Airlines
Mon 5/256:01 am
SDF
- BGR
1 stop4h 18m
American Airlines
Deal found 4/23![American Airlines logo]()
$357
This American Airlines deal was found by Cheapflights users on 4/22. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/224:34 pm
BGR
- SDF
1 stop6h 34m
American Airlines
Mon 5/252:46 pm
SDF
- BGR
1 stop7h 56m
American Airlines
Deal found 4/22![American Airlines logo]()
$321
This United Airlines deal was found by Cheapflights users on 4/22. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/226:25 pm
PWM
- SDF
1 stop5h 24m
United Airlines
Mon 5/256:00 am
SDF
- PWM
1 stop4h 07m
United Airlines
Deal found 4/22![United Airlines logo]()
$362
This United Airlines deal was found by Cheapflights users on 4/23. 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 5/236:00 am
PWM
- SDF
1 stop7h 35m
United Airlines
Wed 5/276:30 am
SDF
- PWM
1 stop6h 55m
United Airlines
Deal found 4/23![United Airlines logo]()
$370
This American Airlines deal was found by Cheapflights users on 4/22. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/266:00 am
PWM
- SDF
1 stop5h 50m
American Airlines
Thu 5/286:25 pm
SDF
- PWM
1 stop5h 26m
American Airlines
Deal found 4/22![American Airlines logo]()
$290
This United Airlines deal was found by Cheapflights users on 4/22. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/266:25 pm
PWM
- SDF
1 stop5h 24m
United Airlines
Thu 5/286:00 am
SDF
- PWM
2 stops7h 25m
United Airlines
Deal found 4/22![United Airlines logo]()
$375
This United Airlines deal was found by Cheapflights users on 4/27. 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 5/274:56 pm
PWM
- SDF
1 stop5h 18m
United Airlines
Wed 6/36:30 am
SDF
- PWM
1 stop6h 55m
United Airlines
Deal found 4/27![United Airlines logo]()
$335
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 April 27, 2026.
Search for one-way flight options from Maine to Louisville. Find affordable one-way fares based on user searches. Data last updated April 27, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/26. 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 5/265:45 am
BOS
- SDF
1 stop29h 49m
Multiple Airlines
Deal found 4/26![Multiple Airlines logo]()
$90
This Kiwi.com deal was found by Cheapflights users on 4/22. 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 5/95:45 am
BOS
- SDF
1 stop27h 43m
Spirit Airlines
Deal found 4/22![Spirit Airlines logo]()
$102
This Kiwi.com deal was found by Cheapflights users on 4/26. 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 5/165:45 am
BOS
- SDF
1 stop27h 43m
Spirit Airlines
Deal found 4/26![Spirit Airlines logo]()
$110
This Delta deal was found by Cheapflights users on 4/23. 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 6/245:05 am
BGR
- SDF
1 stop5h 53m
Delta
Deal found 4/23![Delta logo]()
$114
This Southwest deal was found by Cheapflights users on 4/22. 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.
Tue 5/267:20 am
BOS
- SDF
2 stops7h 25m
Southwest
Deal found 4/22![Southwest logo]()
$122
This Kiwi.com deal was found by Cheapflights users on 4/22. 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 5/69:34 am
BOS
- SDF
1 stop27h 53m
Multiple Airlines
Deal found 4/22![Multiple Airlines logo]()
$126
This Kiwi.com deal was found by Cheapflights users on 4/24. 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 7/216:00 am
BOS
- SDF
1 stop29h 26m
Multiple Airlines
Deal found 4/24![Multiple Airlines logo]()
$127
This Kiwi.com deal was found by Cheapflights users on 4/25. 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 5/912:01 pm
BOS
- SDF
2 stops21h 27m
Multiple Airlines
Deal found 4/25![Multiple Airlines logo]()
$129
This American Airlines deal was found by Cheapflights users on 4/27. 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 9/125:01 pm
BGR
- SDF
1 stop4h 38m
American Airlines
Deal found 4/27![American Airlines logo]()
$134
This American Airlines deal was found by Cheapflights users on 4/22. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/146:01 pm
PWM
- SDF
1 stop6h 22m
American Airlines
Deal found 4/22![American Airlines logo]()
$167
This American Airlines deal was found by Cheapflights users on 4/24. 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 6/245:57 pm
PWM
- SDF
1 stop6h 31m
American Airlines
Deal found 4/24![American Airlines logo]()
$168
This Southwest deal was found by Cheapflights users on 4/24. 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 6/245:30 am
PWM
- SDF
2 stops6h 35m
Southwest
Deal found 4/24![Southwest logo]()
$173
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 April 27, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $290 (American Airlines) |
One-way from | $90 (Kiwi.com) |
Popular in | August |
Cheapest in | June |
Average price | $469 |
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 April 27, 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 - SDF
PWMSDF
Portland
Wed 6/3
6:02 am-10:40 am
1 stop4h 38m
Louisville Intl
Mon 6/8
7:49 am-11:55 am
1 stop4h 06m
$290
PortlandLouisville
PWM - SDF
PWMSDF
Portland
Wed 6/3
6:10 am-3:05 pm
2 stops8h 55m
Louisville Intl
Mon 6/8
3:35 pm-10:10 pm
1 stop6h 35m
$296
PortlandLouisville
PWM - SDF
PWMSDF
Portland
Wed 5/27
4:56 pm-10:14 pm
1 stop5h 18m
Louisville Intl
Wed 6/3
6:30 am-1:25 pm
1 stop6h 55m
$335
BangorLouisville
BGR - SDF
BGRSDF
Bangor
Fri 5/8
5:05 am-2:42 pm
2 stops9h 37m
Louisville Intl
Tue 5/12
5:30 pm-11:33 pm
1 stop6h 03m
$345
PortlandLouisville
PWM - SDF
PWMSDF
Portland
Tue 6/2
6:02 am-1:41 pm
1 stop7h 39m
Louisville Intl
Sun 6/7
10:35 am-4:00 pm
1 stop5h 25m
$371
PortlandLouisville
PWM - SDF
PWMSDF
Portland
Tue 5/26
6:25 pm-11:49 pm
1 stop5h 24m
Louisville Intl
Thu 5/28
6:00 am-1:25 pm
2 stops7h 25m
$375
Quickest round-trip
BostonLouisville
BOS - SDF
BOSSDF
Boston Logan Intl
Sun 6/21
9:28 am-12:06 pm
Nonstop2h 38m
Louisville Intl
Thu 7/30
12:49 pm-3:25 pm
Nonstop2h 36m
$393
PortlandLouisville
PWM - SDF
PWMSDF
Portland
Sat 5/23
5:15 am-10:23 am
1 stop5h 08m
Louisville Intl
Wed 5/27
6:30 am-1:25 pm
1 stop6h 55m
$394
BangorLouisville
BGR - SDF
BGRSDF
Bangor
Wed 8/26
4:15 pm-10:22 pm
1 stop6h 07m
Louisville Intl
Sat 8/29
10:15 am-3:43 pm
1 stop5h 28m
$401
BostonLouisville
BOS - SDF
BOSSDF
Boston Logan Intl
Wed 5/13
2:25 pm-9:05 pm
2 stops6h 40m
Louisville Intl
Fri 5/15
6:55 am-3:05 pm
2 stops8h 10m
$402
Showing 1-10 of 41 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.
PWM-SDF
BGR-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
PWM-SDF
BGR-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 locationsShepherdsville
Elizabethtown
Corydon
Jeffersonville
Bardstown
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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Complete your trip
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Louisville flight routes
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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 April 27, 2026.
Maine and Louisville flights
Browse other Maine and Louisville flight options. Last updated on April 27, 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 April 27, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$248 | Average$382 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$258 | Average$356 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$317 | Average$406 | FlexibilityNo cancel fee | On-time69% |