$130+ Cheap flights from Louisville to Boston (SDF - BOS)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/6. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — BOS
Oct 4 — Oct 111
Round-trip
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 December or January, booked 77 days in advance, depart on a Thursday or Saturday 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 September 4, 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 September 4, 2026.
This American Airlines deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/276:00 am -
1 stop8h 51m
Sat 10/318:26 am -
1 stop9h 20m
Deal found 9/1![American Airlines logo]()
$295
This Kiwi.com deal was found by Cheapflights users on 8/31. 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 11/68:54 pm -
1 stop12h 35m
Sun 11/812:34 pm -
1 stop29h 29m
Deal found 8/31![Allegiant Air logo]()
$308
This American Airlines deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/216:00 am -
1 stop8h 51m
Sat 10/246:00 am -
1 stop6h 08m
Deal found 9/1![American Airlines logo]()
$350
This American Airlines deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/136:00 am -
1 stop8h 51m
Sat 10/175:54 am -
1 stop6h 16m
Deal found 9/3![American Airlines logo]()
$359
This Kiwi.com deal was found by Cheapflights users on 9/2. 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 10/238:10 pm -
1 stop13h 19m
Tue 10/2711:12 am -
2 stops22h 59m
Deal found 9/2![Multiple Airlines logo]()
$366
This Kiwi.com deal was found by Cheapflights users on 9/2. 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 10/238:10 pm -
1 stop13h 19m
Sat 10/319:02 am -
2 stops34h 50m
Deal found 9/2![Allegiant Air logo]()
$371
This Kiwi.com deal was found by Cheapflights users on 9/2. 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 10/238:10 pm -
1 stop13h 19m
Fri 10/3012:39 pm -
2 stops21h 32m
Deal found 9/2![Multiple Airlines logo]()
$374
This Southwest deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/173:35 pm -
1 stop6h 35m
Sat 10/245:35 am -
1 stop6h 45m
Deal found 9/2![Southwest logo]()
$377
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 September 4, 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 September 4, 2026.
This Southwest deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/293:35 pm -
2 stops8h 00m
Mon 11/25:20 am -
1 stop6h 50m
Deal found 9/3![Southwest logo]()
$382
This Southwest deal was found by Cheapflights users on 9/2. 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 1/65:35 am -
2 stops8h 25m
Wed 2/31:10 pm -
2 stops9h 15m
Deal found 9/2![Southwest logo]()
$387
This Southwest deal was found by Cheapflights users on 9/1. 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 10/218:35 am -
2 stops8h 10m
Sat 10/245:35 am -
2 stops9h 20m
Deal found 9/1![Southwest logo]()
$387
This Southwest deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/267:50 am -
2 stops9h 30m
Wed 12/25:10 am -
2 stops7h 50m
Deal found 9/1![Southwest logo]()
$387
This Southwest deal was found by Cheapflights users on 9/1. 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 11/254:15 pm -
2 stops7h 40m
Wed 12/25:30 am -
1 stop7h 30m
Deal found 9/1![Southwest logo]()
$396
This Southwest deal was found by Cheapflights users on 9/3. 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 11/48:50 am -
2 stops8h 00m
Fri 11/65:20 am -
1 stop6h 50m
Deal found 9/3![Southwest logo]()
$399
This Southwest deal was found by Cheapflights users on 8/31. 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 10/1310:40 am -
1 stop4h 15m
Thu 10/155:30 pm -
1 stop6h 45m
Deal found 8/31![Southwest logo]()
$428
This Southwest deal was found by Cheapflights users on 8/30. 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 10/284:00 pm -
2 stops6h 45m
Mon 11/27:05 am -
1 stop8h 00m
Deal found 8/30![Southwest logo]()
$433
This Southwest deal was found by Cheapflights users on 8/31. 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 11/112:05 pm -
2 stops7h 35m
Sun 11/155:35 am -
1 stop6h 55m
Deal found 8/31![Southwest logo]()
$449
Last-minute flights from Louisville to BostonDiscover last-minute flight deals from Louisville to Boston. Data last updated September 4, 2026 and is based on user searches.
Discover last-minute flight deals from Louisville to Boston. Data last updated September 4, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/136:00 am -
1 stop8h 51m
Sat 10/175:54 am -
1 stop6h 16m
Deal found 9/3![American Airlines logo]()
$359
This Southwest deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/173:35 pm -
1 stop6h 35m
Sat 10/245:35 am -
1 stop6h 45m
Deal found 9/2![Southwest logo]()
$377
This American Airlines deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/206:00 am -
1 stop8h 51m
Sun 11/12:00 pm -
Nonstop2h 49m
Deal found 9/1![American Airlines logo]()
$379
This American Airlines deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/216:00 am -
1 stop8h 51m
Sat 10/246:00 am -
1 stop6h 08m
Deal found 9/1![American Airlines logo]()
$350
This Kiwi.com deal was found by Cheapflights users on 9/2. 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 10/238:10 pm -
1 stop13h 19m
Tue 10/2711:12 am -
2 stops22h 59m
Deal found 9/2![Multiple Airlines logo]()
$366
This Kiwi.com deal was found by Cheapflights users on 9/2. 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 10/238:10 pm -
1 stop13h 19m
Sat 10/319:02 am -
2 stops34h 50m
Deal found 9/2![Allegiant Air logo]()
$371
This Kiwi.com deal was found by Cheapflights users on 9/2. 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 10/238:10 pm -
1 stop13h 19m
Fri 10/3012:39 pm -
2 stops21h 32m
Deal found 9/2![Multiple Airlines logo]()
$374
This American Airlines deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/276:00 am -
1 stop8h 51m
Sat 10/318:26 am -
1 stop9h 20m
Deal found 8/31![American Airlines logo]()
$295
This Kiwi.com deal was found by Cheapflights users on 9/2. 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 10/308:10 pm -
1 stop13h 19m
Sun 11/112:34 pm -
1 stop29h 44m
Deal found 9/2![Allegiant Air logo]()
$381
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 September 4, 2026.
Search for one-way flight options from Louisville to Boston. Find affordable one-way fares based on user searches. Data last updated September 4, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/3. 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 11/68:54 pm -
1 stop12h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Allegiant Air logo]()
$130
This Kiwi.com deal was found by Cheapflights users on 9/2. 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 10/308:10 pm -
1 stop13h 19m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Allegiant Air logo]()
$141
This Kiwi.com deal was found by Cheapflights users on 9/3. 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 11/59:09 pm -
2 stops36h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Multiple Airlines logo]()
$156
This Kiwi.com deal was found by Cheapflights users on 8/31. 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 10/238:10 pm -
1 stop13h 19m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 8/31![Allegiant Air logo]()
$163
This Kiwi.com deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/19:09 pm -
2 stops36h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Multiple Airlines logo]()
$167
This Kiwi.com deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/189:02 pm -
1 stop15h 07m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Allegiant Air logo]()
$171
This Kiwi.com deal was found by Cheapflights users on 9/3. 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 10/57:21 pm -
2 stops16h 46m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Multiple Airlines logo]()
$174
This Kiwi.com deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/35:53 pm -
1 stop17h 18m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 8/31![Allegiant Air logo]()
$175
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 September 4, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $295 (American Airlines) |
One-way from | $130 (Kiwi.com) |
Popular in | April |
Cheapest in | December |
Average price | $447 |
Good round-trip deal | $409 or less |
Good one-way deal | $226 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 7,457,451 searches. Data last updated September 4, 2026.
Use the filters below to find and compare flights from Louisville to Boston that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
LouisvilleBoston
SDF Louisville Intl - BOS Boston Logan Intl
SDFBOS
Louisville Intl
Thu 10/1
5:10 pm-9:20 pm
1 stop4h 10m
Boston Logan Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$189
LouisvilleBoston
SDF Louisville Intl - BOS Boston Logan Intl
SDFBOS
Louisville Intl
Wed 9/30
1:15 pm-10:15 pm
2 stops9h 00m
Boston Logan Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$194
LouisvilleBoston
SDF Louisville Intl - BOS Boston Logan Intl
SDFBOS
Louisville Intl
Sat 9/12
3:50 pm-9:45 pm
1 stop5h 55m
Boston Logan Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$203
LouisvilleBoston
SDF Louisville Intl - BOS Boston Logan Intl
SDFBOS
Louisville Intl
Fri 9/11
7:20 am-2:30 pm
2 stops7h 10m
Boston Logan Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$208
LouisvilleBoston
SDF Louisville Intl - BOS Boston Logan Intl
SDFBOS
Louisville Intl
Thu 9/24
9:00 am-3:45 pm
2 stops6h 45m
Boston Logan Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$285
LouisvilleBoston
SDF Louisville Intl - BOS Boston Logan Intl
SDFBOS
Louisville Intl
Sun 9/20
5:40 am-10:05 am
1 stop4h 25m
Boston Logan Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$291
Quickest round-trip
LouisvilleBoston
SDF Louisville Intl - BOS Boston Logan Intl
SDFBOS
Louisville Intl
Wed 12/2
1:30 pm-3:51 pm
Nonstop2h 21m
Boston Logan Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$309
LouisvilleBoston
SDF Louisville Intl - BOS Boston Logan Intl
SDFBOS
Louisville Intl
Sun 11/1
3:37 pm-6:14 pm
Nonstop2h 37m
Boston Logan Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$309
LouisvilleBoston
SDF Louisville Intl - BOS Boston Logan Intl
SDFBOS
Louisville Intl
Sat 10/3
4:52 pm-7:38 pm
Nonstop2h 46m
Boston Logan Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$309
LouisvilleBoston
SDF Louisville Intl - BOS Boston Logan Intl
SDFBOS
Louisville Intl
Thu 10/29
3:35 pm-11:35 pm
2 stops8h 00m
Boston Logan Intl
Mon 11/2
5:20 am-12:10 pm
1 stop6h 50m
$382
Showing 1-10 of 18 resultsSorted by cheapest first
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 September.
| 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 | |
| Price Accuracy1 star | Trust Score*3 stars |
- 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
How far ahead should I book a flight from Louisville to Boston?
Booking 76 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, December is the cheapest month in which you can book a flight from Louisville to Boston (average of $377). Flying from Louisville to Boston in April is currently the most expensive (average of $503). 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 September 4, 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 September 4, 2026.
Read through reviews of airlines operating flights from Louisville to Boston, such as Southwest,Delta, andUnited Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.5
Comfort
8.0
Food
7.0
Crew
8.6
Overall
8.0
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentCourtney,Sep 2026
DEN - STL
Entertainment
7.5
Comfort
8.0
Food
7.0
Crew
8.6
Overall
8.0
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentCourtney,Sep 2026
DEN - STL
Entertainment
7.5
Comfort
8.0
Food
7.0
Crew
8.6
Overall
8.0
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentCourtney,Sep 2026
DEN - STL
Entertainment
7.5
Comfort
8.0
Food
7.0
Crew
8.6
Overall
8.0
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentCourtney,Sep 2026
DEN - STL
Entertainment
7.5
Comfort
8.0
Food
7.0
Crew
8.6
Overall
8.0
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentCourtney,Sep 2026
DEN - STL
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 locationsWaltham
Randolph
Concord
Cambridge
Brockton
Seekonk
Cranston
Dedham
Warwick
Peabody
Pawtucket
Auburn
Chelsea
York Beach
Londonderry
Revere
Fitchburg
North Falmouth
Swansea
Braintree
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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Other flights to Boston
Explore flights to Boston departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 4, 2026.
Complete your trip
Complete your trip to Boston by adding a car rental and/or hotel reservation to your travel itinerary.
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Find flights from Louisville to Boston, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Louisville and Boston flights
Browse other Louisville and Boston flight options. Last updated on September 4, 2026.
Other flights from Louisville
Browse through other flights departing from Louisville. Flights are based on user searches made on Cheapflights and were last updated on September 4, 2026.
Popular flight searches
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Top 4 airlines flying from Louisville to Boston
Discover the top 4 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 7,457,451 searches. Data last updated September 4, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$286 | Average$437 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$293 | Average$415 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$294 | Average$437 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$295 | Average$433 | FlexibilityNo cancel fee | On-time71% |