What airlines fly to Boston?

American Airlines, Delta and Frontier are the top three most popular airlines that fly to Boston from Louisville according to our data. American Airlines is the first choice among our users, with 54% of people opting to fly with this airline when traveling to Boston. Keep in mind that there are 7 different airlines that fly to Boston on a routine basis, so you have a few additional options to choose from.

Which layover airport has the shortest connection time from Louisville to Boston?

Baltimore (BWI) has the shortest average layover time for this route: 1h 33m.

How many flights depart from Louisville to Boston on average per day?

As of August 2025, there are 3 flights per day flying from Louisville to Boston. The most common time of day flights depart is 1:00PM, with 90% of flights taking off in the afternoon.

What is the cheapest airline that flies from Louisville Intl to Boston Logan Intl?

Delta, Spirit Airlines, and American Airlines are the most popular carriers operating from Louisville Intl to Boston Logan Intl

Which airport is the most popular layover for flights between Louisville and Boston?

Baltimore (BWI) was the most common stop: 56% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport has the shortest travel time from Louisville to Boston?

Flights connecting via Baltimore (BWI) have the shortest average one-way travel time: 5h 20m.

How many flights depart from Louisville to Boston on average per week?

25 flights are operational weekly from Louisville to Boston as of August 2025. The most popular departure day for this route is Tue, with 20% of flights per week taking off on this day.

Which layover airport offers the lowest fares from Louisville to Boston?

Flights via Detroit (DTW) offer the lowest average round-trip price of $215.

When did momondo last update prices for flights from Louisville Intl Airport to Boston Logan Intl Airport?

Prices for flights from Louisville Intl Airport to Boston Logan Intl Airport refresh daily.

How many operators does momondo search for flights from Louisville Intl Airport to Boston Logan Intl Airport?

As of August 2025, there are 5 operators available to choose from for flights from Louisville Intl Airport to Boston Logan Intl Airport.

How old do you have to be to fly from Louisville Intl Airport to Boston Logan Intl Airport?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Louisville Intl Airport to Boston Logan Intl Airport.

What documentation or ID do you need to fly to Boston Logan Intl Airport?

The travel and health documents required for your trip to Boston Logan Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Boston Logan Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$99 Cheap Flights from Louisville to Boston (SDF-BOS) in 2025

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Find the cheapest flights from Louisville to Boston (SDF-BOS)

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

8:23 am - 11:57 pmSDF-BOS

15h 34m1 stop

3:00 pm - 10:04 pmBOS-SDF

7h 04m1 stop

$190Spirit Airlines

Find Deal

Sat, Sep 13 - Sat, Sep 20

4:20 pm - 6:59 pmSDF-BOS

2h 39mnonstop

1:02 pm - 3:38 pmBOS-SDF

2h 36mnonstop

$197Delta

Find Deal

Tue, Sep 9 - Tue, Sep 16

2:42 pm - 11:53 pmSDF-BOS

9h 11m1 stop

10:31 am - 1:03 pmBOS-SDF

2h 32mnonstop

$203American Airlines

Find Deal

Sat, Sep 27 - Tue, Sep 30

11:00 am - 5:15 pmSDF-BOS

6h 15m1 stop

6:25 pm - 11:32 pmBOS-SDF

5h 07m1 stop

$223United Airlines

Find Deal

Mon, Nov 24 - Tue, Dec 2

1:44 pm - 4:10 pmSDF-BOS

2h 26mnonstop

10:31 am - 1:03 pmBOS-SDF

2h 32mnonstop

$225American Airlines

Find Deal

Tue, Sep 9 - Fri, Sep 12

7:00 am - 2:29 pmSDF-BOS

7h 29m2 stops

6:25 pm - 11:32 pmBOS-SDF

5h 07m1 stop

$228United Airlines

Find Deal

Mon, Nov 24 - Tue, Dec 2

5:30 am - 10:30 amSDF-BOS

5h 00m1 stop

5:15 am - 12:20 pmBOS-SDF

7h 05m1 stop

$237Southwest

Find Deal

Wed, Sep 3 - Thu, Sep 4

11:50 am - 5:20 pmSDF-BOS

5h 30m1 stop

10:50 am - 6:25 pmBOS-SDF

7h 35m2 stops

$242Southwest

Find Deal

Tue, Sep 9 - Tue, Sep 16

9:47 am - 11:57 pmSDF-BOS

14h 10m1 stop

6:00 am - 10:04 pmBOS-SDF

16h 04m2 stops

$244

Find Deal

Fri, Sep 19 - Sat, Sep 27

6:36 pm - 1:48 pmSDF-BOS

19h 12m1 stop

3:00 pm - 9:19 amBOS-SDF

18h 19m2 stops

$250

Find Deal

Sun, Sep 14 - Sat, Sep 20

Spirit Airlines flights from Louisville to Boston

Our best Spirit Airlines deals on Louisville to Boston flight tickets

Spirit Airlines

Sep 13

SDF8:23 amLouisville Intl

15h 34m

1 stop

BOS11:57 pmBoston Logan Intl

Sep 20

BOS3:00 pmBoston Logan Intl

7h 04m

1 stop

SDF10:04 pmLouisville Intl

$190

Find similar

Spirit Airlines

Sep 13

SDF8:23 amLouisville Intl

15h 34m

1 stop

BOS11:57 pmBoston Logan Intl

Sep 20

BOS3:00 pmBoston Logan Intl

7h 04m

1 stop

SDF10:04 pmLouisville Intl

$200

Find similar

Spirit Airlines

Oct 15

SDF5:31 pmLouisville Intl

6h 28m

1 stop

BOS11:59 pmBoston Logan Intl

Oct 18

BOS6:11 amBoston Logan Intl

11h 52m

1 stop

SDF6:03 pmLouisville Intl

$201

Find similar

American Airlines flights from Louisville to Boston

Our best American Airlines deals on Louisville to Boston flight tickets

American Airlines

Sep 27

SDF2:42 pmLouisville Intl

9h 11m

1 stop

BOS11:53 pmBoston Logan Intl

Sep 30

BOS10:31 amBoston Logan Intl

2h 32m

SDF1:03 pmLouisville Intl

$203

Find similar

American Airlines

Sep 9

SDF1:44 pmLouisville Intl

2h 26m

BOS4:10 pmBoston Logan Intl

Sep 12

BOS10:31 amBoston Logan Intl

2h 32m

SDF1:03 pmLouisville Intl

$225

Find similar

American Airlines

Sep 3

SDF1:44 pmLouisville Intl

2h 26m

BOS4:10 pmBoston Logan Intl

Sep 5

BOS5:00 amBoston Logan Intl

9h 07m

1 stop

SDF2:07 pmLouisville Intl

$227

Find similar

Fly from

Fly to

Route

Depart

Return

Price

LouisvilleBoston

SDF - BOS

SDFBOS

Louisville Intl

Sat 9/13

8:23 am-11:57 pm

1 stop15h 34m

Boston Logan Intl

Sat 9/20

3:00 pm-10:04 pm

1 stop7h 04m

$190

LouisvilleBoston

SDF - BOS

SDFBOS

Louisville Intl

Tue 9/9

4:20 pm-6:59 pm

Nonstop2h 39m

Boston Logan Intl

Tue 9/16

1:02 pm-3:38 pm

Nonstop2h 36m

$197

LouisvilleBoston

SDF - BOS

SDFBOS

Louisville Intl

Sat 9/27

2:42 pm-11:53 pm

1 stop9h 11m

Boston Logan Intl

Tue 9/30

10:31 am-1:03 pm

Nonstop2h 32m

$203

LouisvilleBoston

SDF - BOS

SDFBOS

Louisville Intl

Mon 11/24

11:00 am-5:15 pm

1 stop6h 15m

Boston Logan Intl

Tue 12/2

6:25 pm-11:32 pm

1 stop5h 07m

$223

LouisvilleBoston

SDF - BOS

SDFBOS

Louisville Intl

Tue 9/9

1:44 pm-4:10 pm

Nonstop2h 26m

Boston Logan Intl

Fri 9/12

10:31 am-1:03 pm

Nonstop2h 32m

$225

LouisvilleBoston

SDF - BOS

SDFBOS

Louisville Intl

Mon 11/24

7:00 am-2:29 pm

2 stops7h 29m

Boston Logan Intl

Tue 12/2

6:25 pm-11:32 pm

1 stop5h 07m

$228

LouisvilleBoston

SDF - BOS

SDFBOS

Louisville Intl

Wed 9/3

5:30 am-10:30 am

1 stop5h 00m

Boston Logan Intl

Thu 9/4

5:15 am-12:20 pm

1 stop7h 05m

$237

LouisvilleBoston

SDF - BOS

SDFBOS

Louisville Intl

Tue 9/9

11:50 am-5:20 pm

1 stop5h 30m

Boston Logan Intl

Tue 9/16

10:50 am-6:25 pm

2 stops7h 35m

$242

LouisvilleBoston

SDF - BOS

SDFBOS

Louisville Intl

Fri 9/19

9:47 am-11:57 pm

1 stop14h 10m

Boston Logan Intl

Sat 9/27

6:00 am-10:04 pm

2 stops16h 04m

$244

LouisvilleBoston

SDF - BOS

SDFBOS

Louisville Intl

Sun 9/14

6:36 pm-1:48 pm

1 stop19h 12m

Boston Logan Intl

Sat 9/20

3:00 pm-9:19 am

2 stops18h 19m

$250

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Louisville to Boston

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Layovers

Other information

What is the cheapest month to fly to Boston?

In general, November is the cheapest month to fly from Louisville to Boston. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $318. If you aren’t able to travel during the month of November, then book flights to Boston from Louisville during February instead. Flights to Boston in February, while not as cheap as those in November, still average around $323.

What is the cheapest day to depart on your flight to Boston?

The cheapest day to depart from Louisville to Boston is on a Saturday when prices can be found for as low as $468. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to Boston on Sunday is $1,092.

What is the cheapest time of day to depart on your flight to Boston?

According to our data, the cheapest time of day to fly to Boston is in the evening. momondo users have found flights departing from Louisville to Boston in the evening for as low as $298. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In the afternoon is when there is more demand to fly to Boston, so prices are often more expensive at around $866 per ticket.

What is the cheapest Louisville Intl to Boston Logan Intl flight route?

Fly from Louisville Intl to Boston Logan Intl for the best Louisville Intl - Boston Logan Intl flight prices

How far in advance should I book a flight to Boston?

You are more likely to see cheaper flights to Boston from Louisville when booking weeks ahead of your departure date. In general, you can expect to find flights to Boston for around $351 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Boston from Louisville for as low as $305 on momondo.

What cabin class options are available on Louisville Intl to Boston Logan Intl flights?

There are 4 cabin classes available to choose from on Louisville Intl to Boston Logan Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Louisville to Boston flights?

You could potentially save up to 24% on your flight if you consider stops on a Louisville to Boston flight.

How have Louisville to Boston flight prices changed over time?

As of August 2025, prices for Louisville to Boston flights are approximately 13% cheaper when compared to flights at the same time last year.

When to book flights from Louisville to Boston

Are you open to changing your travel dates? Check out the ideal times to fly from Louisville to Boston according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Louisville to Boston (SDF to BOS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Louisville to Boston

Best Price Found	$99
Fastest flight time	2h 23m
Direct flights	Every day
Airports in Boston	1 airport

The best one-way flight to Boston from Louisville in the past 72 hours is $99. The best round-trip flight deal from Louisville to Boston found on momondo in the last 72 hours is $190.

The fastest flight from Louisville to Boston takes 2h 23m

Direct flights go from Louisville to Boston every day.

There is 1 airport near Boston: Boston Logan Intl (BOS)

Search flight deals

How far is Louisville Intl to Boston Logan Intl by plane?
There are 822.9 mi between Louisville Intl and Boston Logan Intl. A reasonable flight in good conditions will take 2h 23m.
When did momondo last update prices for flights from Louisville Intl Airport to Boston Logan Intl Airport?
Prices for flights from Louisville Intl Airport to Boston Logan Intl Airport refresh daily.
How many operators does momondo search for flights from Louisville Intl Airport to Boston Logan Intl Airport?
As of August 2025, there are 5 operators available to choose from for flights from Louisville Intl Airport to Boston Logan Intl Airport.
How old do you have to be to fly from Louisville Intl Airport to Boston Logan Intl Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Louisville Intl Airport to Boston Logan Intl Airport.
What documentation or ID do you need to fly to Boston Logan Intl Airport?
The travel and health documents required for your trip to Boston Logan Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Boston Logan Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from Louisville to Boston?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Louisville to Boston is Embraer 175 (97.01% of total bookings). The next most popular plane models are Airbus A320neo (0.35%), Boeing 737 MAX 9 (0.35%), and Embraer 170 (0.35%).
What is the most popular airline from Louisville to Boston?
Based on momondo bookings for flights between Louisville and Boston, the leading airline is American Airlines, making up 58% of the total bookings. Other popular airlines include Delta with 32%, Southwest with 5%, and Spirit Airlines with 3%.

Best airlines flying from Louisville to Boston

Compare and see reviews for airlines that fly from Louisville to Boston with momondo

Airline	Rating	Free Cancellation	Price
Spirit Airlines	PriceFrom $171	Free Cancellation	Rating 6.3 8,045 reviews	Search Spirit Airlines flights
Southwest	PriceFrom $216	Free Cancellation	Rating 8.0 4,244 reviews	Search Southwest flights
Delta	PriceFrom $249	Free Cancellation	Rating 8.0 7,980 reviews	Search Delta flights
American Airlines	PriceFrom $249	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
United Airlines	PriceFrom $268	Free Cancellation	Rating 7.4 8,916 reviews	Search United Airlines flights

Delta Flights From Louisville to Boston
Delta operates around 5 flights from Louisville to Boston every week. The average price of these flights found in the last 72 hours has been $364, but momondo users have found Delta deals from Louisville to Boston from as low as $249 round-trip. Delta has been scored 8.0/10 in 7,980 reviews.
American Airlines Flights From Louisville to Boston
Another popular option for Louisville to Boston flights is American Airlines (7.2/10, 10,000 ratings). American Airlines flies from Louisville to Boston around 6 times per week, with deals starting from $249 round-trip and rising to an average price of around $357.

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Old Orchard Beach

York Beach

Plymouth

Kennebunkport

Nashua

Cambridge

Narragansett

Laconia

South Yarmouth

Brockton

Gloucester

Concord

Everett

Falmouth

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Why use momondo?

Why should I use momondo to find a flight deal from Louisville to Boston?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Boston from Louisville.

Can I find flights from Louisville to Boston with flexible booking policies on momondo?

Yes. All flights to Boston from Louisville on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Louisville to Boston?

Once you have performed a search for Louisville to Boston flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Louisville to Boston right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Louisville to Boston flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

An easier way to manage your Boston trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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Cheap flights from Louisville to Boston from $99

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Louisville to Boston departing on 9/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Find the cheapest flights from Louisville to Boston (SDF-BOS)

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Spirit Airlines flights from Louisville to Boston

Our best Spirit Airlines deals on Louisville to Boston flight tickets

American Airlines flights from Louisville to Boston

Our best American Airlines deals on Louisville to Boston flight tickets

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See travel insights to Boston from

How to get the cheapest flight ticket from Louisville to Boston

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Boston?

What is the cheapest day to depart on your flight to Boston?

The cheapest day to depart from Louisville to Boston is on a Saturday when prices can be found for as low as $468. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to Boston on Sunday is $1,092.

What is the cheapest time of day to depart on your flight to Boston?

What is the cheapest Louisville Intl to Boston Logan Intl flight route?

Fly from Louisville Intl to Boston Logan Intl for the best Louisville Intl - Boston Logan Intl flight prices

How far in advance should I book a flight to Boston?

What cabin class options are available on Louisville Intl to Boston Logan Intl flights?

There are 4 cabin classes available to choose from on Louisville Intl to Boston Logan Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Louisville to Boston flights?

You could potentially save up to 24% on your flight if you consider stops on a Louisville to Boston flight.

How have Louisville to Boston flight prices changed over time?

As of August 2025, prices for Louisville to Boston flights are approximately 13% cheaper when compared to flights at the same time last year.

What is the cheapest airline that flies from Louisville Intl to Boston Logan Intl?

Delta, Spirit Airlines, and American Airlines are the most popular carriers operating from Louisville Intl to Boston Logan Intl

What airlines fly to Boston?

Which airport is the most popular layover for flights between Louisville and Boston?

Baltimore (BWI) was the most common stop: 56% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport offers the lowest fares from Louisville to Boston?

Flights via Detroit (DTW) offer the lowest average round-trip price of $215.

Which layover airport has the shortest travel time from Louisville to Boston?

Flights connecting via Baltimore (BWI) have the shortest average one-way travel time: 5h 20m.

Which layover airport has the shortest connection time from Louisville to Boston?

Baltimore (BWI) has the shortest average layover time for this route: 1h 33m.

How many flights depart from Louisville to Boston on average per day?

As of August 2025, there are 3 flights per day flying from Louisville to Boston. The most common time of day flights depart is 1:00PM, with 90% of flights taking off in the afternoon.

How many flights depart from Louisville to Boston on average per week?

25 flights are operational weekly from Louisville to Boston as of August 2025. The most popular departure day for this route is Tue, with 20% of flights per week taking off on this day.

When to book flights from Louisville to Boston

Cheap Louisville to Boston (SDF to BOS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Louisville to Boston

Best Price Found

Fastest flight time

Direct flights

Airports in Boston

How far is Louisville Intl to Boston Logan Intl by plane?

When did momondo last update prices for flights from Louisville Intl Airport to Boston Logan Intl Airport?

How many operators does momondo search for flights from Louisville Intl Airport to Boston Logan Intl Airport?

How old do you have to be to fly from Louisville Intl Airport to Boston Logan Intl Airport?

What documentation or ID do you need to fly to Boston Logan Intl Airport?

What is the most popular plane model from Louisville to Boston?

What is the most popular airline from Louisville to Boston?

Best airlines flying from Louisville to Boston

Compare and see reviews for airlines that fly from Louisville to Boston with momondo

Delta Flights From Louisville to Boston

American Airlines Flights From Louisville to Boston

Traveling to a place near Boston?

Why use momondo?

Why should I use momondo to find a flight deal from Louisville to Boston?

Can I find flights from Louisville to Boston with flexible booking policies on momondo?

How can momondo help me find flights from Louisville to Boston?

I’m not ready to book a flight from Louisville to Boston right now. Can momondo alert me if prices change?

An easier way to manage your Boston trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.