How popular is this Louisville to Boston flight route?

This flight path from Louisville Intl to Boston Logan Intl was viewed by 10 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 Delta, Southwest, and Spirit Airlines fly from Louisville to Boston in about 2h 19m. The time it takes to get you to your destination can typically vary by up to 24h 14m. 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 ($207), 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 $508 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 $158.

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 Air France (100%), Scandinavian Airlines (100%) or Delta (93%) 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 5 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.

$87+ 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 September or March, booked 88 days in advance, depart on a Saturday or Friday and return on a Saturday

Cheap flight deals from Louisville to Boston

Most accurate provider	FlightHub 3 stars
Most trusted provider	Expedia 3 stars
Round-trip from	$158 (Priceline)
One-way from	$87 (CheapOair)
Popular in	January
Cheapest in	September
Average price	$381
Good round-trip deal	$403 or less
Good one-way deal	$268 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. 4% potential increase in price ($16 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 0% potential price decrease ($2 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in January 2026

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

Find 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 January 7, 2026.

Tue 2/33:36 pmSDF - BOS

1 stop8h 21mSpirit Airlines

Tue 2/105:34 amBOS - SDF

1 stop9h 07mSpirit Airlines

Deal found 1/6

$158

Sun 2/153:33 pmSDF - BOS

1 stop8h 11mSpirit Airlines

Thu 2/195:27 amBOS - SDF

1 stop9h 11mSpirit Airlines

Deal found 1/7

$198

Wed 3/41:19 pmSDF - BOS

1 stop8h 42mMultiple Airlines

Thu 3/56:10 pmBOS - SDF

1 stop14h 30mMultiple Airlines

Deal found 1/7

$201

Tue 3/313:33 pmSDF - BOS

1 stop8h 34mSpirit Airlines

Tue 4/145:40 amBOS - SDF

1 stop8h 53mSpirit Airlines

Deal found 1/6

$213

Mon 2/96:54 pmSDF - BOS

1 stop29h 03mMultiple Airlines

Mon 2/166:00 amBOS - SDF

2 stops54h 21mMultiple Airlines

Deal found 1/7

$215

Thu 3/52:26 pmSDF - BOS

1 stop21h 14mMultiple Airlines

Sun 3/86:10 pmBOS - SDF

1 stop14h 30mMultiple Airlines

Deal found 1/6

$219

Fri 1/236:54 pmSDF - BOS

1 stop29h 03mMultiple Airlines

Mon 1/265:27 pmBOS - SDF

1 stop21h 14mMultiple Airlines

Deal found 1/6

$220

Tue 3/33:33 pmSDF - BOS

1 stop8h 11mMultiple Airlines

Thu 3/56:10 pmBOS - SDF

1 stop14h 30mMultiple Airlines

Deal found 1/7

$221

Wed 1/211:55 pmSDF - BOS

1 stop9h 24mSpirit Airlines

Thu 1/225:34 amBOS - SDF

1 stop9h 07mSpirit Airlines

Deal found 1/7

$222

Thu 4/92:26 pmSDF - BOS

1 stop20h 26mMultiple Airlines

Wed 4/157:55 pmBOS - SDF

1 stop18h 43mMultiple Airlines

Deal found 1/7

$225

Wed 2/251:19 pmSDF - BOS

1 stop8h 42mMultiple Airlines

Fri 2/276:00 amBOS - SDF

2 stops29h 05mMultiple Airlines

Deal found 1/7

$227

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 January 7, 2026.

Thu 1/293:36 pmSDF - BOS

1 stop8h 21mMultiple Airlines

Fri 2/65:34 amBOS - SDF

1 stop12h 30mMultiple Airlines

Deal found 1/6

$260

Sat 4/111:56 pmSDF - BOS

Nonstop2h 19mDelta

Wed 4/159:10 amBOS - SDF

Nonstop2h 45mDelta

Deal found 1/7

$275

Tue 3/311:50 amSDF - BOS

2 stops10h 15mSouthwest

Thu 3/57:15 amBOS - SDF

2 stops8h 35mSouthwest

Deal found 1/7

$283

Wed 1/211:55 pmSDF - BOS

2 stops26h 33mSpirit Airlines

Sat 1/245:27 pmBOS - SDF

1 stop21h 14mSpirit Airlines

Deal found 1/7

$291

Fri 2/610:35 amSDF - BOS

Nonstop2h 29mAmerican Airlines

Mon 2/98:00 amBOS - SDF

1 stop8h 02mAmerican Airlines

Deal found 1/7

$321

Fri 2/66:54 pmSDF - BOS

1 stop21h 54mMultiple Airlines

Mon 2/95:23 pmBOS - SDF

1 stop21h 18mMultiple Airlines

Deal found 1/7

$263

Fri 1/301:55 pmSDF - BOS

1 stop9h 24mSpirit Airlines

Sun 2/15:34 amBOS - SDF

1 stop9h 07mSpirit Airlines

Deal found 1/5

$300

Sat 4/1812:35 pmSDF - BOS

Nonstop2h 28mDelta

Mon 4/209:10 amBOS - SDF

Nonstop2h 45mDelta

Deal found 1/6

$304

Thu 3/265:15 pmSDF - BOS

1 stop6h 50mSouthwest

Mon 3/307:15 amBOS - SDF

1 stop7h 45mSouthwest

Deal found 1/7

$323

Tue 3/312:33 pmSDF - BOS

Nonstop2h 11mDelta

Sun 3/88:00 amBOS - SDF

Nonstop2h 45mDelta

Deal found 1/7

$304

Last-minute flights from Louisville to Boston
Discover last-minute flight deals from Louisville to Boston. Data last updated January 7, 2026 and is based on user searches.

Wed 1/211:55 pmSDF - BOS

1 stop9h 24mSpirit Airlines

Thu 1/225:34 amBOS - SDF

1 stop9h 07mSpirit Airlines

Deal found 1/7

$222

Fri 1/236:54 pmSDF - BOS

1 stop29h 03mMultiple Airlines

Mon 1/265:27 pmBOS - SDF

1 stop21h 14mMultiple Airlines

Deal found 1/6

$220

Fri 1/231:55 pmSDF - BOS

1 stop9h 24mSpirit Airlines

Sun 1/255:34 amBOS - SDF

1 stop9h 07mSpirit Airlines

Deal found 1/7

$239

Tue 2/33:36 pmSDF - BOS

1 stop8h 21mSpirit Airlines

Tue 2/105:34 amBOS - SDF

1 stop9h 07mSpirit Airlines

Deal found 1/6

$158

Wed 2/48:07 amSDF - BOS

1 stop8h 56mAmerican Airlines

Wed 2/119:51 amBOS - SDF

1 stop8h 48mAmerican Airlines

Deal found 1/7

$237

Mon 2/96:54 pmSDF - BOS

1 stop29h 03mMultiple Airlines

Mon 2/166:00 amBOS - SDF

2 stops54h 21mMultiple Airlines

Deal found 1/7

$215

Sun 2/153:33 pmSDF - BOS

1 stop8h 11mSpirit Airlines

Thu 2/195:27 amBOS - SDF

1 stop9h 11mSpirit Airlines

Deal found 1/7

$198

Wed 2/251:19 pmSDF - BOS

1 stop8h 42mSpirit Airlines

Fri 2/276:10 pmBOS - SDF

1 stop16h 55mSpirit Airlines

Deal found 1/7

$225

Wed 2/251:19 pmSDF - BOS

1 stop8h 42mMultiple Airlines

Fri 2/276:00 amBOS - SDF

2 stops29h 05mMultiple Airlines

Deal found 1/7

$227

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 January 7, 2026.

Tue 1/273:36 pmSDF - BOS

1 stop8h 21mSpirit Airlines

Deal found 1/7

$87

Sun 2/153:33 pmSDF - BOS

1 stop8h 11mSpirit Airlines

Deal found 1/7

$99

Mon 3/21:19 pmSDF - BOS

1 stop22h 29mSpirit Airlines

Deal found 1/5

$100

Thu 3/52:26 pmSDF - BOS

1 stop21h 14mMultiple Airlines

Deal found 1/5

$102

Wed 3/41:19 pmSDF - BOS

1 stop19h 47mMultiple Airlines

Deal found 1/7

$104

Mon 2/169:30 amSDF - BOS

1 stop24h 56mMultiple Airlines

Deal found 1/6

$107

Thu 4/92:26 pmSDF - BOS

1 stop20h 26mMultiple Airlines

Deal found 1/7

$112

Tue 2/2412:50 pmSDF - BOS

2 stops9h 15mSouthwest

Deal found 1/6

$116

Wed 2/1811:50 amSDF - BOS

1 stop9h 55mSouthwest

Deal found 1/6

$117

Tue 3/33:33 pmSDF - BOS

1 stop8h 11mSpirit Airlines

Deal found 1/7

$120

Wed 3/47:09 amSDF - BOS

1 stop8h 08mAmerican Airlines

Deal found 1/7

$124

Thu 1/223:36 pmSDF - BOS

1 stop8h 21mSpirit Airlines

Deal found 1/6

$126

Fly from

Fly to

Route

Depart

Return

Price

LouisvilleBoston

SDF - BOS

SDFBOS

Louisville Intl

Thu 1/29

3:36 pm-11:57 pm

1 stop8h 21m

Boston Logan Intl

Fri 2/6

5:34 am-6:04 pm

1 stop12h 30m

$260

LouisvilleBoston

SDF - BOS

SDFBOS

Louisville Intl

Fri 2/6

6:54 pm-4:48 pm

1 stop21h 54m

Boston Logan Intl

Mon 2/9

5:23 pm-2:41 pm

1 stop21h 18m

$263

LouisvilleBoston

SDF - BOS

SDFBOS

Louisville Intl

Sat 4/11

1:56 pm-4:15 pm

Nonstop2h 19m

Boston Logan Intl

Wed 4/15

9:10 am-11:55 am

Nonstop2h 45m

$275

LouisvilleBoston

SDF - BOS

SDFBOS

Louisville Intl

Tue 3/3

11:50 am-10:05 pm

2 stops10h 15m

Boston Logan Intl

Thu 3/5

7:15 am-3:50 pm

2 stops8h 35m

$283

LouisvilleBoston

SDF - BOS

SDFBOS

Louisville Intl

Wed 1/21

1:55 pm-4:28 pm

2 stops26h 33m

Boston Logan Intl

Sat 1/24

5:27 pm-2:41 pm

1 stop21h 14m

$291

LouisvilleBoston

SDF - BOS

SDFBOS

Louisville Intl

Fri 1/30

1:55 pm-11:19 pm

1 stop9h 24m

Boston Logan Intl

Sun 2/1

5:34 am-2:41 pm

1 stop9h 07m

$300

LouisvilleBoston

SDF - BOS

SDFBOS

Louisville Intl

Sat 4/18

12:35 pm-3:03 pm

Nonstop2h 28m

Boston Logan Intl

Mon 4/20

9:10 am-11:55 am

Nonstop2h 45m

$304

LouisvilleBoston

SDF - BOS

SDFBOS

Louisville Intl

Tue 3/3

12:33 pm-2:44 pm

Nonstop2h 11m

Boston Logan Intl

Sun 3/8

8:00 am-10:45 am

Nonstop2h 45m

$304

LouisvilleBoston

SDF - BOS

SDFBOS

Louisville Intl

Fri 2/6

10:35 am-1:04 pm

Nonstop2h 29m

Boston Logan Intl

Mon 2/9

8:00 am-4:02 pm

1 stop8h 02m

$321

LouisvilleBoston

SDF - BOS

SDFBOS

Louisville Intl

Thu 3/26

5:15 pm-12:05 am

1 stop6h 50m

Boston Logan Intl

Mon 3/30

7:15 am-3:00 pm

1 stop7h 45m

$323

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/7

Showing 1-10 of 21 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 January.

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 $196). 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?

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

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

8.0

Very good

4,248 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

8.0

Very good

4,248 reviews

Southwest

8.0

Very good

4,248 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

8,025 reviews

Southwest

8.0

Very good

4,248 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

9,139 reviews

Southwest

8.0

Very good

4,248 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

11,095 reviews

Southwest

8.0

Very good

4,248 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

8,287 reviews

Southwest

8.0

Very good

4,248 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 5 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 10 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 Delta, Southwest, and Spirit Airlines fly from Louisville to Boston in about 2h 19m. The time it takes to get you to your destination can typically vary by up to 24h 14m. 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 ($207), 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 Air France (100%), Scandinavian Airlines (100%) or Delta (93%) 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 $508 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 $158.
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 $196). 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.

See more FAQs

Cambridge

Medford

Hampton Beach

Watertown

Seekonk

Brockton

Seabrook

Cranston

Lincoln

Lowell

Smithfield

Peabody

Quincy

York Beach

Warwick

Londonderry

Swansea

Old Orchard Beach

Waltham

Chelsea

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Louisville to Boston

Cincinnati to Boston flights

Nashville to Boston flights

Knoxville to Boston flights

Nashville to Albany flights

Nashville to Hartford flights

Lexington to Boston flights

Cincinnati to Hartford flights

Evansville to Hartford flights

Cincinnati to Albany flights

Louisville to Hartford flights

Knoxville to Hartford flights

Blountville to Boston flights

Lexington to Hartford flights

Knoxville to Albany flights

Louisville to Albany flights

Lexington to Albany flights

Louisville to Nantucket flights

Evansville to Boston flights

Nashville to West Tisbury flights

Huntington to Boston flights

Blountville to Albany flights

Nashville to Nantucket flights

Knoxville to Worcester flights

Cincinnati to Provincetown flights

Cincinnati to West Tisbury flights

Owensboro to Boston flights

Blountville to Hartford flights

Owensboro to Hartford flights

Cincinnati to Hyannis flights

Cincinnati to Nantucket flights

Nashville to Provincetown flights

Lexington to Provincetown flights

Other flights to Boston

Complete your trip

Boston car rentals

Boston Logan Intl Airport car rentals

Providence-TFGreen Airport car rentals

Manchester Airport car rentals

Bedford Hanscom Field Airport car rentals

Worcester car rentals

Springfield car rentals

Hyannis car rentals

New Bedford car rentals

Downtown car rentals

Back Bay car rentals

Seaport District car rentals

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$384	FlexibilityNo cancel fee	On-time63%
Delta	Cheapest$221	Average$353	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$264	Average$357	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$294	Average$445	FlexibilityNo cancel fee	On-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

$87+ 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 1/27. 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

Cheap 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

Find 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 January 7, 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 January 7, 2026.

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 January.

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?

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?

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.

Alternative routes for Louisville to Boston

See prices for flight routes from nearby airports that may be better suited for you.

Top 5 airlines flying from Louisville to Boston

100% Free

Book with Flexibility

Travel Smart

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 January 7, 2026.