How popular is this Louisville to Boston flight route?

This flight path from Louisville Intl to Boston Logan Intl was viewed by 12 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

How long is the flight from Louisville to Boston?

Airlines like Spirit Airlines, United Airlines, and Delta fly from Louisville to Boston in about 2h 26m. The time it takes to get you to your destination can typically vary by up to 29h 17m. There are 827 mi between Louisville and Boston. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

What are the cheapest airlines flying from Louisville to Boston round-trip?

According to our current data, Spirit Airlines ($174), Delta ($209), and Southwest ($216) offers the cheapest pricing from Louisville to Boston. You may be able to fly from Louisville to Boston for 51% less than the average price by searching for these airlines.

What are the cheapest airlines to fly from Louisville to Boston one-way?

One-way options have recently been found by users for as low as $117 on American Airlines. Other airlines that offer cheap prices include Delta from $137 and Southwest from $139 one-way.

In terms of precipitation, rainfall in Boston ranges from 3.1 - 4.0 inches per month. March is typically the wettest month, when rainfall can reach 4.0 in. July is typically the driest time to visit Boston when rainfall is around 3.1 in.

If weather is an important factor for your trip to Boston, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).

What are the cheapest flights from Louisville to Boston?

On average you can expect to pay $594 for a flight from Louisville to Boston. The cheapest flight overall is $221 while the most popular route, (Louisville Intl - Boston Logan Intl) is currently priced at $189.

What are the most reliable airlines from Louisville to Boston?

No one likes to see their flight delayed. When booking a flight from Louisville to Boston consider choosing Scandinavian Airlines (100%), Republic Airways (90%) or Delta (89%) as they are the most reliable in getting you off to your destination on time.

What are the most popular airlines that fly from Louisville to Boston?

Consider American Airlines, Delta or Southwest when booking your flight. These represent the most popular airlines when flying from Louisville to Boston.

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 Expedia the most. Expedia 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.

What airports do I use to fly from Louisville to Boston?

You will need to book a flight from Louisville Intl to Boston Logan Intl if you want to fly from Louisville to Boston. At least 5 different airlines have flights from Louisville Intl (SDF) to Logan Intl (BOS) on a regular basis. There are 3 flights to Boston from the Louisville airport per day. If you manage to book one that is nonstop, then you can expect the flight time from SDF to BOS to be around 2h 11m.

Can I find deals for flights from Louisville to Boston that include hotel bookings?

Yes. In addition to deals on Louisville to Boston flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Louisville to Boston?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Louisville to Boston.

Can I find deals for business class flights from Louisville to Boston?

Yes. Cheapflights offers flight deals from Louisville to Boston by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$65+ Flights from Louisville to Boston

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

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 February or September, booked 88 days in advance, depart on a Saturday or Friday and return on a Saturday

Cheap flight deals from Louisville to Boston

Cheapest flights from Louisville to Boston
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 December 10, 2025.

Wed 12/2410:30 amSDF - BOS

Nonstop2h 28mAmerican Airlines

Tue 12/307:00 amBOS - SDF

Nonstop2h 58mAmerican Airlines

Deal found 12/9

$326

Wed 12/245:40 amSDF - BOS

1 stop7h 13mUnited Airlines

Tue 12/305:20 amBOS - SDF

2 stops7h 53mUnited Airlines

Deal found 12/9

$351

Wed 12/2410:30 amSDF - BOS

Nonstop2h 28mAmerican Airlines

Sun 12/287:00 amBOS - SDF

Nonstop2h 58mAmerican Airlines

Deal found 12/9

$362

Wed 12/248:40 amSDF - BOS

1 stop6h 52mUnited Airlines

Thu 12/252:15 pmBOS - SDF

1 stop4h 56mUnited Airlines

Deal found 12/9

$365

Mon 12/1511:21 amSDF - BOS

1 stop12h 35mMultiple Airlines

Tue 12/168:11 pmBOS - SDF

2 stops42h 04mMultiple Airlines

Deal found 12/8

$368

Wed 12/104:31 pmSDF - BOS

Nonstop2h 28mDelta

Sat 12/1310:15 amBOS - SDF

Nonstop2h 55mDelta

Deal found 12/8

$377

Mon 12/1511:21 amSDF - BOS

1 stop12h 35mMultiple Airlines

Wed 12/178:11 pmBOS - SDF

2 stops36h 47mMultiple Airlines

Deal found 12/8

$381

Best flights from Louisville to Boston
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 December 10, 2025.

Thu 1/293:36 pmSDF - BOS

2 stops31h 43mSpirit Airlines

Tue 2/33:43 pmBOS - SDF

1 stop21h 17mSpirit Airlines

Deal found 12/10

$172

Fri 1/161:55 pmSDF - BOS

1 stop9h 24mMultiple Airlines

Mon 1/1912:10 pmBOS - SDF

2 stops26h 31mMultiple Airlines

Deal found 12/8

$240

Wed 1/281:50 pmSDF - BOS

1 stop4h 42mUnited Airlines

Sat 2/71:30 pmBOS - SDF

2 stops9h 00mUnited Airlines

Deal found 12/8

$300

Tue 1/63:00 pmSDF - BOS

Nonstop2h 26mDelta

Sun 1/1111:30 amBOS - SDF

Nonstop2h 50mDelta

Deal found 12/7

$304

Wed 1/2811:50 amSDF - BOS

2 stops10h 15mSouthwest

Tue 2/35:50 amBOS - SDF

2 stops10h 20mSouthwest

Deal found 12/8

$305

Wed 1/288:30 amSDF - BOS

1 stop4h 43mUnited Airlines

Tue 2/312:08 pmBOS - SDF

2 stops8h 20mUnited Airlines

Deal found 12/8

$300

Fri 1/3012:57 pmSDF - BOS

Nonstop2h 14mDelta

Wed 2/49:27 amBOS - SDF

Nonstop2h 47mDelta

Deal found 12/7

$304

Mon 1/58:53 pmSDF - BOS

2 stops14h 41mMultiple Airlines

Mon 1/123:43 pmBOS - SDF

3 stops22h 58mMultiple Airlines

Deal found 12/8

$319

Tue 3/312:30 pmSDF - BOS

Nonstop2h 11mDelta

Sun 3/810:37 amBOS - SDF

Nonstop2h 39mDelta

Deal found 12/9

$304

Sun 2/153:33 pmSDF - BOS

2 stops20h 04mMultiple Airlines

Thu 2/195:40 amBOS - SDF

1 stop27h 00mMultiple Airlines

Deal found 12/9

$320

Last-minute flights from Louisville to Boston
Discover last-minute flight deals from Louisville to Boston. Data last updated December 10, 2025 and is based on user searches.

Fri 1/91:55 pmSDF - BOS

1 stop21h 13mMultiple Airlines

Mon 1/1211:41 amBOS - SDF

2 stops27h 00mMultiple Airlines

Deal found 12/8

$200

Tue 1/133:36 pmSDF - BOS

1 stop8h 21mSpirit Airlines

Thu 1/225:34 amBOS - SDF

1 stop9h 07mSpirit Airlines

Deal found 12/8

$198

Tue 1/133:36 pmSDF - BOS

2 stops33h 37mMultiple Airlines

Thu 1/223:43 pmBOS - SDF

1 stop21h 17mMultiple Airlines

Deal found 12/8

$221

Fri 1/231:55 pmSDF - BOS

1 stop9h 24mSpirit Airlines

Mon 1/265:27 pmBOS - SDF

1 stop21h 14mSpirit Airlines

Deal found 12/9

$197

Fri 1/231:55 pmSDF - BOS

1 stop9h 24mSpirit Airlines

Sun 1/253:43 pmBOS - SDF

1 stop21h 17mSpirit Airlines

Deal found 12/8

$223

Thu 1/293:36 pmSDF - BOS

1 stop8h 21mSpirit Airlines

Tue 2/35:34 amBOS - SDF

1 stop9h 07mSpirit Airlines

Deal found 12/10

$161

Thu 1/293:36 pmSDF - BOS

1 stop8h 21mSpirit Airlines

Mon 2/25:27 pmBOS - SDF

1 stop21h 14mSpirit Airlines

Deal found 12/9

$189

One-way flights from Louisville to Boston
Search for one-way flight options from Louisville to Boston. Find affordable one-way fares based on user searches. Data last updated December 10, 2025.

Wed 1/211:55 pmSDF - BOS

1 stop9h 24mSpirit Airlines

Deal found 12/9

$65

Thu 1/293:36 pmSDF - BOS

1 stop8h 21mSpirit Airlines

Deal found 12/8

$81

Fri 1/91:55 pmSDF - BOS

1 stop9h 24mSpirit Airlines

Deal found 12/10

$85

Thu 1/87:00 amSDF - BOS

1 stop9h 28mSpirit Airlines

Deal found 12/10

$96

Mon 2/96:54 pmSDF - BOS

1 stop29h 03mMultiple Airlines

Deal found 12/10

$97

Tue 2/103:36 pmSDF - BOS

1 stop8h 21mSpirit Airlines

Deal found 12/10

$99

Wed 2/111:55 pmSDF - BOS

2 stops10h 10mMultiple Airlines

Deal found 12/8

$101

Tue 2/33:36 pmSDF - BOS

2 stops23h 02mSpirit Airlines

Deal found 12/9

$102

Fri 1/91:55 pmSDF - BOS

1 stop21h 13mMultiple Airlines

Deal found 12/9

$103

Fri 2/61:55 pmSDF - BOS

1 stop9h 24mSpirit Airlines

Deal found 12/10

$104

Fri 1/301:55 pmSDF - BOS

1 stop9h 24mSpirit Airlines

Deal found 12/9

$105

Find flight deals from Louisville to Boston

Most accurate provider	FlightHub 3 stars
Most trusted provider	Expedia 3 stars
Round-trip from	$161 (Priceline)
One-way from	$65 (Mytrip)
Popular in	January
Cheapest in	February
Average price	$377
Good round-trip deal	$374 or less
Good one-way deal	$344 or less

Provider with most accurate pricing for Louisville Intl-Boston Logan Intl flight deals.

Search Deals

Provider most trusted by Cheapflights users for Louisville Intl-Boston Logan Intl flights.

Search Deals

From Louisville Intl to Boston Logan Intl

Search Deals

One-way flight from Louisville Intl to Boston Logan Intl

Search Deals

Highest demand for flights based on searches. 1% potential increase in price ($5 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 0% potential price decrease ($4 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

Price to beat on a round-trip flight from Louisville Intl to Boston Logan Intl.

Search Deals

Price to beat on a one-way flight from Louisville Intl to Boston Logan Intl.

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

LouisvilleBoston

SDF - BOS

SDFBOS

Louisville Intl

Thu 1/29

3:36 pm-11:19 pm

2 stops31h 43m

Boston Logan Intl

Tue 2/3

3:43 pm-1:00 pm

1 stop21h 17m

$172

LouisvilleBoston

SDF - BOS

SDFBOS

Louisville Intl

Fri 1/16

1:55 pm-11:19 pm

1 stop9h 24m

Boston Logan Intl

Mon 1/19

12:10 pm-2:41 pm

2 stops26h 31m

$240

LouisvilleBoston

SDF - BOS

SDFBOS

Louisville Intl

Wed 1/28

1:50 pm-6:32 pm

1 stop4h 42m

Boston Logan Intl

Sat 2/7

1:30 pm-10:30 pm

2 stops9h 00m

$300

LouisvilleBoston

SDF - BOS

SDFBOS

Louisville Intl

Wed 1/28

8:30 am-1:13 pm

1 stop4h 43m

Boston Logan Intl

Tue 2/3

12:08 pm-8:28 pm

2 stops8h 20m

$300

LouisvilleBoston

SDF - BOS

SDFBOS

Louisville Intl

Tue 1/6

3:00 pm-5:26 pm

Nonstop2h 26m

Boston Logan Intl

Sun 1/11

11:30 am-2:20 pm

Nonstop2h 50m

$304

LouisvilleBoston

SDF - BOS

SDFBOS

Louisville Intl

Fri 1/30

12:57 pm-3:11 pm

Nonstop2h 14m

Boston Logan Intl

Wed 2/4

9:27 am-12:14 pm

Nonstop2h 47m

$304

LouisvilleBoston

SDF - BOS

SDFBOS

Louisville Intl

Tue 3/3

12:30 pm-2:41 pm

Nonstop2h 11m

Boston Logan Intl

Sun 3/8

10:37 am-1:16 pm

Nonstop2h 39m

$304

LouisvilleBoston

SDF - BOS

SDFBOS

Louisville Intl

Wed 1/28

11:50 am-10:05 pm

2 stops10h 15m

Boston Logan Intl

Tue 2/3

5:50 am-4:10 pm

2 stops10h 20m

$305

LouisvilleBoston

SDF - BOS

SDFBOS

Louisville Intl

Mon 1/5

8:53 pm-11:34 am

2 stops14h 41m

Boston Logan Intl

Mon 1/12

3:43 pm-2:41 pm

3 stops22h 58m

$319

LouisvilleBoston

SDF - BOS

SDFBOS

Louisville Intl

Sun 2/15

3:33 pm-11:37 am

2 stops20h 04m

Boston Logan Intl

Thu 2/19

5:40 am-8:40 am

1 stop27h 00m

$320

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/10

Showing 1-10 of 20 results

Compare providers for flights from Louisville to Boston

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Louisville to Boston in December.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy2 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*1 star
JustAirTicket	Price Accuracy-	Trust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

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 Expedia the most. Expedia 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.

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 88 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 February is currently the most expensive (average of $204). 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?

Unlike in the afternoon, when flights are generally more expensive, you can save up to 60% on flights from Louisville to Boston by exploring options for tickets in the evening.

What is the cheapest day to fly from Louisville to Boston?

Travelers seeking maximum savings on their Louisville to Boston flight should consider departing on Monday evenings when fares are most often at their lowest. Sunday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Boston

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.

Southwest

7.9

Good

4,253 reviews

Reviews

1 / 20

2.0

Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Southwest

7.9

Good

4,253 reviews

Southwest

7.9

Good

4,253 reviews

Reviews

1 / 20

2.0

Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Delta

7.9

Good

8,007 reviews

Southwest

7.9

Good

4,253 reviews

Reviews

1 / 20

2.0

Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

United Airlines

7.4

Good

9,092 reviews

Southwest

7.9

Good

4,253 reviews

Reviews

1 / 20

2.0

Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

American Airlines

7.2

Good

11,048 reviews

Southwest

7.9

Good

4,253 reviews

Reviews

1 / 20

2.0

Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Spirit Airlines

6.3

Okay

8,174 reviews

Southwest

7.9

Good

4,253 reviews

Reviews

1 / 20

2.0

Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Related info for your journey

What airports do I use to fly from Louisville to Boston?
You will need to book a flight from Louisville Intl to Boston Logan Intl if you want to fly from Louisville to Boston. At least 5 different airlines have flights from Louisville Intl (SDF) to Logan Intl (BOS) on a regular basis. There are 3 flights to Boston from the Louisville airport per day. If you manage to book one that is nonstop, then you can expect the flight time from SDF to BOS to be around 2h 11m.
How popular is this Louisville to Boston flight route?
This flight path from Louisville Intl to Boston Logan Intl was viewed by 12 users in the past month. Keep an eye out for changes in search interest prior to high and low season.
How long is the flight from Louisville to Boston?
Airlines like Spirit Airlines, United Airlines, and Delta fly from Louisville to Boston in about 2h 26m. The time it takes to get you to your destination can typically vary by up to 29h 17m. There are 827 mi between Louisville and Boston. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.
What are the cheapest airlines flying from Louisville to Boston round-trip?
According to our current data, Spirit Airlines ($174), Delta ($209), and Southwest ($216) offers the cheapest pricing from Louisville to Boston. You may be able to fly from Louisville to Boston for 51% less than the average price by searching for these airlines.
What are the cheapest airlines to fly from Louisville to Boston one-way?
One-way options have recently been found by users for as low as $117 on American Airlines. Other airlines that offer cheap prices include Delta from $137 and Southwest from $139 one-way.
What are the most reliable airlines from Louisville to Boston?
No one likes to see their flight delayed. When booking a flight from Louisville to Boston consider choosing Scandinavian Airlines (100%), Republic Airways (90%) or Delta (89%) as they are the most reliable in getting you off to your destination on time.
What are the cheapest flights from Louisville to Boston?
On average you can expect to pay $594 for a flight from Louisville to Boston. The cheapest flight overall is $221 while the most popular route, (Louisville Intl - Boston Logan Intl) is currently priced at $189.
Can I find deals for flights from Louisville to Boston that include hotel bookings?
Yes. In addition to deals on Louisville to Boston flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Louisville to Boston?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Louisville to Boston.
Can I find deals for business class flights from Louisville to Boston?
Yes. Cheapflights offers flight deals from Louisville to Boston by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
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 February is currently the most expensive (average of $204). 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.

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Top 5 airlines flying from Louisville to Boston

Airline	Cheapest	Average	Flexibility	On-time
Spirit Airlines	Cheapest$174	Average$215	FlexibilityNo cancel fee	On-time65%
Southwest	Cheapest$216	Average$385	FlexibilityNo cancel fee	On-time63%
Delta	Cheapest$222	Average$352	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$264	Average$357	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$284	Average$463	FlexibilityNo cancel fee	On-time69%

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$65+ 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 1/21. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Louisville to Boston with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from Louisville Intl to Boston Logan Intl are usually found in February or September, booked 88 days in advance, depart on a Saturday or Friday and return on a Saturday

Cheap flight deals from Louisville to Boston

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 December 10, 2025.

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 December 10, 2025.

Find flight deals from Louisville to Boston

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Cheapflights Fare Finder

Use the filters below to find and compare flights from Louisville to Boston that are best for you.

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 December.

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.

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?

What is the cheapest month to book a flight from Louisville to Boston?

What is the cheapest time of day to fly from SDF to BOS?

What is the cheapest day to fly from Louisville to Boston?

Reviews of airlines servicing Boston

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.

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.

What airports do I use to fly from Louisville to Boston?

How popular is this Louisville to Boston flight route?

How long is the flight from Louisville to Boston?

What are the cheapest airlines flying from Louisville to Boston round-trip?

What are the cheapest airlines to fly from Louisville to Boston one-way?

What are the most reliable airlines from Louisville to Boston?

What are the cheapest flights from Louisville to Boston?

Can I find deals for flights from Louisville to Boston that include hotel bookings?

How can I find direct flights from Louisville to Boston?

Can I find deals for business class flights from Louisville to Boston?

What is the cheapest month to book a flight from Louisville to Boston?

Traveling to a place near Boston?

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Cheapest flights from Louisville to Boston
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 December 10, 2025.