$95+ Cheap flights from Louisville to Boston (SDF - BOS)
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 4/13. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — BOS
Mar 18 — Mar 251
1 adult, Economy
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Find cheap flights from Louisville to Boston 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.Cheapflights Tip: The best prices from Louisville Intl to Boston Logan Intl are usually found in September or August, booked 69 days in advance, depart on a Saturday or Friday and return on a Saturday
Cheap flight deals from Louisville to Boston
Cheapest
Best
Last-minute
One-way
Cheapest flights from Louisville to BostonExplore the most affordable flight options available from Louisville to Boston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 16, 2026.
Explore the most affordable flight options available from Louisville to Boston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 16, 2026.
This American Airlines deal was found by Cheapflights users on 2/14. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/116:00 am
SDF
- BOS
1 stop8h 21m
American Airlines
Wed 4/159:00 am
BOS
- SDF
Nonstop2h 41m
American Airlines
Deal found 2/14![American Airlines logo]()
$239
This Kiwi.com deal was found by Cheapflights users on 2/15. 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 3/52:26 pm
SDF
- BOS
1 stop21h 27m
Multiple Airlines
Sun 3/84:22 pm
BOS
- SDF
1 stop19h 59m
Multiple Airlines
Deal found 2/15![Multiple Airlines logo]()
$245
This Kiwi.com deal was found by Cheapflights users on 2/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/239:13 pm
SDF
- BOS
1 stop26h 46m
Multiple Airlines
Tue 3/319:45 am
BOS
- SDF
1 stop25h 29m
Multiple Airlines
Deal found 2/15![Multiple Airlines logo]()
$253
This Kiwi.com deal was found by Cheapflights users on 2/15. 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 5/1512:36 pm
SDF
- BOS
1 stop21h 45m
Multiple Airlines
Mon 5/185:40 am
BOS
- SDF
1 stop13h 18m
Multiple Airlines
Deal found 2/15![Multiple Airlines logo]()
$254
This Kiwi.com deal was found by Cheapflights users on 2/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/239:13 pm
SDF
- BOS
1 stop26h 46m
Multiple Airlines
Mon 3/304:23 pm
BOS
- SDF
2 stops19h 24m
Multiple Airlines
Deal found 2/16![Multiple Airlines logo]()
$266
This Travelocity deal was found by Cheapflights users on 2/16. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/193:33 pm
SDF
- BOS
1 stop8h 26m
Spirit Airlines
Sat 5/237:00 am
BOS
- SDF
1 stop12h 32m
Spirit Airlines
Deal found 2/16![Spirit Airlines logo]()
$267
This Kiwi.com deal was found by Cheapflights users on 2/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/29:30 am
SDF
- BOS
1 stop7h 45m
Multiple Airlines
Thu 3/55:27 am
BOS
- SDF
1 stop27h 13m
Multiple Airlines
Deal found 2/16![Multiple Airlines logo]()
$268
This Travelocity deal was found by Cheapflights users on 2/15. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/263:33 pm
SDF
- BOS
1 stop8h 26m
Spirit Airlines
Sat 5/307:00 am
BOS
- SDF
1 stop12h 32m
Spirit Airlines
Deal found 2/15![Spirit Airlines logo]()
$277
Best flights from Louisville to BostonDiscover carefully curated flight deals from Louisville to Boston that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 16, 2026.
Discover carefully curated flight deals from Louisville to Boston that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 16, 2026.
This Delta deal was found by Cheapflights users on 2/13. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/22:04 pm
SDF
- BOS
Nonstop2h 30m
Delta
Wed 5/610:39 am
BOS
- SDF
Nonstop2h 41m
Delta
Deal found 2/13![Delta logo]()
$295
This American Airlines deal was found by Cheapflights users on 2/12. 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.
Sat 5/234:16 pm
SDF
- BOS
Nonstop2h 38m
American Airlines
Wed 5/272:00 pm
BOS
- SDF
Nonstop2h 37m
American Airlines
Deal found 2/12![American Airlines logo]()
$295
This United Airlines deal was found by Cheapflights users on 2/15. 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 8/111:13 am
SDF
- BOS
1 stop5h 25m
United Airlines
Sat 8/85:45 pm
BOS
- SDF
1 stop5h 30m
United Airlines
Deal found 2/15![United Airlines logo]()
$315
This Southwest deal was found by Cheapflights users on 2/14. 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 3/175:00 pm
SDF
- BOS
2 stops6h 25m
Southwest
Sat 3/218:00 am
BOS
- SDF
1 stop5h 00m
Southwest
Deal found 2/14![Southwest logo]()
$320
This Delta deal was found by Cheapflights users on 2/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/11:00 pm
SDF
- BOS
Nonstop2h 35m
Delta
Tue 7/149:30 am
BOS
- SDF
Nonstop2h 40m
Delta
Deal found 2/14![Delta logo]()
$295
This Delta deal was found by Cheapflights users on 2/13. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/171:56 pm
SDF
- BOS
Nonstop2h 19m
Delta
Sat 3/213:15 pm
BOS
- SDF
Nonstop2h 43m
Delta
Deal found 2/13![Delta logo]()
$295
This Delta deal was found by Cheapflights users on 2/15. 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 8/81:00 pm
SDF
- BOS
Nonstop2h 35m
Delta
Tue 8/119:30 am
BOS
- SDF
Nonstop2h 40m
Delta
Deal found 2/15![Delta logo]()
$295
This Delta deal was found by Cheapflights users on 2/13. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/317:59 pm
SDF
- BOS
1 stop5h 24m
Delta
Sat 6/69:30 am
BOS
- SDF
Nonstop2h 40m
Delta
Deal found 2/13![Delta logo]()
$334
This Delta deal was found by Cheapflights users on 2/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/35:55 pm
SDF
- BOS
1 stop5h 58m
Delta
Tue 4/710:37 am
BOS
- SDF
Nonstop2h 39m
Delta
Deal found 2/14![Delta logo]()
$334
This Delta deal was found by Cheapflights users on 2/16. 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 3/278:05 am
SDF
- BOS
1 stop5h 34m
Delta
Tue 3/3110:37 am
BOS
- SDF
Nonstop2h 39m
Delta
Deal found 2/16![Delta logo]()
$334
Last-minute flights from Louisville to BostonDiscover last-minute flight deals from Louisville to Boston. Data last updated February 16, 2026 and is based on user searches.
Discover last-minute flight deals from Louisville to Boston. Data last updated February 16, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 2/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/29:30 am
SDF
- BOS
1 stop7h 45m
Multiple Airlines
Thu 3/55:27 am
BOS
- SDF
1 stop27h 13m
Multiple Airlines
Deal found 2/16![Multiple Airlines logo]()
$268
This Kiwi.com deal was found by Cheapflights users on 2/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/41:19 pm
SDF
- BOS
1 stop22h 29m
Spirit Airlines
Sun 3/84:22 pm
BOS
- SDF
1 stop19h 59m
Spirit Airlines
Deal found 2/14![Spirit Airlines logo]()
$282
This Kiwi.com deal was found by Cheapflights users on 2/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/41:19 pm
SDF
- BOS
1 stop22h 29m
Spirit Airlines
Wed 3/185:49 pm
BOS
- SDF
1 stop20h 44m
Spirit Airlines
Deal found 2/13![Spirit Airlines logo]()
$287
This Kiwi.com deal was found by Cheapflights users on 2/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/41:19 pm
SDF
- BOS
1 stop22h 29m
Multiple Airlines
Wed 3/185:45 am
BOS
- SDF
2 stops26h 51m
Multiple Airlines
Deal found 2/13![Multiple Airlines logo]()
$300
This Kiwi.com deal was found by Cheapflights users on 2/15. 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 3/52:26 pm
SDF
- BOS
1 stop21h 27m
Multiple Airlines
Sun 3/84:22 pm
BOS
- SDF
1 stop19h 59m
Multiple Airlines
Deal found 2/15![Multiple Airlines logo]()
$245
This Mytrip deal was found by Cheapflights users on 2/12. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/53:33 pm
SDF
- BOS
1 stop8h 11m
Spirit Airlines
Sun 3/86:10 pm
BOS
- SDF
2 stops18h 11m
Spirit Airlines
Deal found 2/12![Spirit Airlines logo]()
$297
This Priceline deal was found by Cheapflights users on 2/15. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/103:33 pm
SDF
- BOS
1 stop8h 11m
Spirit Airlines
Thu 3/195:45 am
BOS
- SDF
1 stop8h 48m
Spirit Airlines
Deal found 2/15![Spirit Airlines logo]()
$278
This Kiwi.com deal was found by Cheapflights users on 2/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/239:13 pm
SDF
- BOS
1 stop26h 46m
Multiple Airlines
Tue 3/319:45 am
BOS
- SDF
1 stop25h 29m
Multiple Airlines
Deal found 2/15![Multiple Airlines logo]()
$253
This Kiwi.com deal was found by Cheapflights users on 2/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/239:13 pm
SDF
- BOS
1 stop26h 46m
Multiple Airlines
Mon 3/304:23 pm
BOS
- SDF
2 stops19h 24m
Multiple Airlines
Deal found 2/16![Multiple Airlines logo]()
$266
This Delta deal was found by Cheapflights users on 2/16. 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 3/282:25 pm
SDF
- BOS
Nonstop2h 18m
Delta
Wed 4/110:37 am
BOS
- SDF
Nonstop2h 39m
Delta
Deal found 2/16![Delta logo]()
$295
One-way flights from Louisville to BostonSearch for one-way flight options from Louisville to Boston. Find affordable one-way fares based on user searches. Data last updated February 16, 2026.
Search for one-way flight options from Louisville to Boston. Find affordable one-way fares based on user searches. Data last updated February 16, 2026.
This Kiwi.com deal was found by Cheapflights users on 2/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/137:48 pm
SDF
- BOS
1 stop19h 40m
Multiple Airlines
Deal found 2/14![Multiple Airlines logo]()
$95
This Kiwi.com deal was found by Cheapflights users on 2/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/117:48 pm
SDF
- BOS
1 stop28h 11m
Multiple Airlines
Deal found 2/13![Multiple Airlines logo]()
$96
This Kiwi.com deal was found by Cheapflights users on 2/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/187:48 pm
SDF
- BOS
1 stop28h 11m
Multiple Airlines
Deal found 2/16![Multiple Airlines logo]()
$108
This Kiwi.com deal was found by Cheapflights users on 2/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/138:06 pm
SDF
- BOS
1 stop15h 37m
Multiple Airlines
Deal found 2/13![Multiple Airlines logo]()
$112
This Priceline deal was found by Cheapflights users on 2/13. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/123:33 pm
SDF
- BOS
1 stop8h 26m
Spirit Airlines
Deal found 2/13![Spirit Airlines logo]()
$115
This Priceline deal was found by Cheapflights users on 2/14. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/1312:36 pm
SDF
- BOS
1 stop10h 42m
Spirit Airlines
Deal found 2/14![Spirit Airlines logo]()
$116
This Priceline deal was found by Cheapflights users on 2/16. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/103:33 pm
SDF
- BOS
1 stop8h 11m
Spirit Airlines
Deal found 2/16![Spirit Airlines logo]()
$117
This Kiwi.com deal was found by Cheapflights users on 2/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/107:48 pm
SDF
- BOS
2 stops22h 21m
Multiple Airlines
Deal found 2/13![Multiple Airlines logo]()
$130
This Kiwi.com deal was found by Cheapflights users on 2/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/93:33 pm
SDF
- BOS
1 stop8h 26m
Spirit Airlines
Deal found 2/13![Spirit Airlines logo]()
$134
Find flight deals from Louisville to Boston
Discover tips and strategies to find the most affordable flight options for your journey from Louisville (SDF) to Boston (BOS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated February 16, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $239 (American Airlines) |
One-way from | $95 (Kiwi.com) |
Popular in | February |
Cheapest in | September |
Average price | $419 |
Good round-trip deal | $399 or less |
Good one-way deal | $298 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Louisville to Boston 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 February 16, 2026.
Use the filters below to find and compare flights from Louisville to Boston that are best for you.
Fly from
Louisville
Fly to
Boston
Route
Depart
Return
Price
LouisvilleBoston
SDF - BOS
SDFBOS
Louisville Intl
Sat 5/2
2:04 pm-4:34 pm
Nonstop2h 30m
Boston Logan Intl
Wed 5/6
10:39 am-1:20 pm
Nonstop2h 41m
$295
LouisvilleBoston
SDF - BOS
SDFBOS
Louisville Intl
Sat 5/23
4:16 pm-6:54 pm
Nonstop2h 38m
Boston Logan Intl
Wed 5/27
2:00 pm-4:37 pm
Nonstop2h 37m
$295
LouisvilleBoston
SDF - BOS
SDFBOS
Louisville Intl
Wed 7/1
1:00 pm-3:35 pm
Nonstop2h 35m
Boston Logan Intl
Tue 7/14
9:30 am-12:10 pm
Nonstop2h 40m
$295
LouisvilleBoston
SDF - BOS
SDFBOS
Louisville Intl
Tue 3/17
1:56 pm-4:15 pm
Nonstop2h 19m
Boston Logan Intl
Sat 3/21
3:15 pm-5:58 pm
Nonstop2h 43m
$295
LouisvilleBoston
SDF - BOS
SDFBOS
Louisville Intl
Sat 8/8
1:00 pm-3:35 pm
Nonstop2h 35m
Boston Logan Intl
Tue 8/11
9:30 am-12:10 pm
Nonstop2h 40m
$295
LouisvilleBoston
SDF - BOS
SDFBOS
Louisville Intl
Sat 8/1
11:13 am-4:38 pm
1 stop5h 25m
Boston Logan Intl
Sat 8/8
5:45 pm-11:15 pm
1 stop5h 30m
$315
LouisvilleBoston
SDF - BOS
SDFBOS
Louisville Intl
Tue 3/17
5:00 pm-11:25 pm
2 stops6h 25m
Boston Logan Intl
Sat 3/21
8:00 am-1:00 pm
1 stop5h 00m
$320
LouisvilleBoston
SDF - BOS
SDFBOS
Louisville Intl
Sun 5/31
7:59 pm-1:23 am
1 stop5h 24m
Boston Logan Intl
Sat 6/6
9:30 am-12:10 pm
Nonstop2h 40m
$334
LouisvilleBoston
SDF - BOS
SDFBOS
Louisville Intl
Fri 4/3
5:55 pm-11:53 pm
1 stop5h 58m
Boston Logan Intl
Tue 4/7
10:37 am-1:16 pm
Nonstop2h 39m
$334
LouisvilleBoston
SDF - BOS
SDFBOS
Louisville Intl
Fri 3/27
8:05 am-1:39 pm
1 stop5h 34m
Boston Logan Intl
Tue 3/31
10:37 am-1:16 pm
Nonstop2h 39m
$334
Showing 1-10 of 18 results
Compare providers for flights from Louisville to Boston
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Louisville to Boston in February.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star |
- Most accurate provider: When it comes to deals on Louisville-Boston flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Louisville-Boston flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Louisville-Boston flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Louisville-Boston flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Louisville-Boston flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Louisville to Boston
Have a flexible travel schedule? Discover the best time to fly to Boston from Louisville with our price prediction graph.
SDF-BOS
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Louisville to Boston
Prices
Airlines
How far ahead should I book a flight from Louisville to Boston?
Use this chart to determine the optimal time to book a round-trip flight from Louisville to Boston. Price data was last updated on February 13, 2026.
Booking 69 days in advance of your planned departure date is, on average, the best time to get cheap flights from Louisville to Boston. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
What is the cheapest month to book a flight from Louisville to Boston?
Currently, May is the cheapest month in which you can book a flight from Louisville to Boston (average of $79). Flying from Louisville to Boston in March is currently the most expensive (average of $224). 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.
What is the cheapest time of day to fly from SDF to BOS?
Find hourly flight availability from Louisville to Boston. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated February 16, 2026.
When flying from Louisville to Boston, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
Reviews of airlines servicing Boston
Get insights into the airlines that provide service to Boston. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Boston. Reviews last updated February 16, 2026.
Read through reviews of airlines operating flights from Louisville to Boston, such as Southwest, Delta, and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.5
Crew
8.6
Food
7.0
Overall
8.0
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Entertainment
7.5
Crew
8.6
Food
7.0
Overall
8.0
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Entertainment
7.5
Crew
8.6
Food
7.0
Overall
8.0
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Entertainment
7.5
Crew
8.6
Food
7.0
Overall
8.0
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Entertainment
7.5
Crew
8.6
Food
7.0
Overall
8.0
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Entertainment
7.5
Crew
8.6
Food
7.0
Overall
8.0
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Related info for your journey
Find useful and relevant information for your journey from Louisville to Boston. 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 Boston?
Book flights to Boston if you plan to visit one of these locationsMedford
Cambridge
Hampton Beach
Watertown
Seekonk
Brockton
Concord
Seabrook
Cranston
Lincoln
Warwick
Smithfield
Peabody
Quincy
York Beach
Londonderry
Swansea
Old Orchard Beach
Waltham
Lowell
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Other flights to Boston
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Louisville and Boston flights
Browse other Louisville and Boston flight options. Last updated on February 16, 2026.
Other flights from Louisville
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Top 5 airlines flying from Louisville to Boston
Discover the top 5 airlines that operate flights from Louisville to Boston. 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 February 16, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$174 | Average$216 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$216 | Average$382 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$217 | Average$354 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$261 | Average$361 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$294 | Average$438 | FlexibilityNo cancel fee | On-time69% |