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Cheap flights from Louisville to Boston from $93

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 2/26. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Spirit Airlines Logo
3:33 pm - 11:59 pm
SDF
-
BOS
8h 26m
1 stop
Spirit Airlines Logo
5:40 am - 12:19 pm
BOS
-
SDF
6h 39m
1 stop
$185Spirit Airlines
Thu, Mar 12 - Tue, Mar 24
Spirit Airlines Logo
3:33 pm - 11:44 pm
SDF
-
BOS
8h 11m
1 stop
Spirit Airlines Logo
6:10 pm - 2:38 pm
BOS
-
SDF
20h 28m
1 stop
$207Spirit Airlines
Tue, Feb 17 - Wed, Feb 18
Multiple Airlines Logo
3:33 pm - 11:44 pm
SDF
-
BOS
8h 11m
1 stop
Multiple Airlines Logo
6:10 pm - 8:40 am
BOS
-
SDF
14h 30m
1 stop
$208Multiple Airlines
Tue, Feb 17 - Thu, Feb 19
Spirit Airlines Logo
3:33 pm - 11:44 pm
SDF
-
BOS
8h 11m
1 stop
Spirit Airlines Logo
6:10 pm - 2:38 pm
BOS
-
SDF
20h 28m
1 stop
$211Spirit Airlines
Tue, Feb 17 - Wed, Feb 18
Multiple Airlines Logo
9:30 am - 10:26 am
SDF
-
BOS
24h 56m
1 stop
Multiple Airlines Logo
6:10 pm - 2:38 pm
BOS
-
SDF
20h 28m
1 stop
$221Multiple Airlines
Mon, Feb 16 - Wed, Feb 18
Multiple Airlines Logo
12:00 pm - 11:44 pm
SDF
-
BOS
11h 44m
1 stop
Multiple Airlines Logo
6:10 pm - 8:40 am
BOS
-
SDF
14h 30m
1 stop
$224Multiple Airlines
Sat, Feb 14 - Thu, Feb 19
Spirit Airlines Logo
3:33 pm - 11:44 pm
SDF
-
BOS
8h 11m
1 stop
Spirit Airlines Logo
1:59 pm - 11:05 am
BOS
-
SDF
21h 06m
1 stop
$226Spirit Airlines
Tue, Feb 17 - Fri, Feb 20
Spirit Airlines Logo
1:19 pm - 11:37 am
SDF
-
BOS
22h 18m
1 stop
Spirit Airlines Logo
6:10 pm - 2:38 pm
BOS
-
SDF
20h 28m
1 stop
$227Spirit Airlines
Mon, Feb 16 - Wed, Feb 18
Multiple Airlines Logo
9:30 am - 1:13 am
SDF
-
BOS
39h 43m
2 stops
Multiple Airlines Logo
6:10 pm - 2:38 pm
BOS
-
SDF
20h 28m
1 stop
$228Multiple Airlines
Mon, Feb 23 - Mon, Mar 2
Multiple Airlines Logo
3:33 pm - 11:44 pm
SDF
-
BOS
8h 11m
1 stop
Multiple Airlines Logo
6:10 pm - 8:40 am
BOS
-
SDF
14h 30m
1 stop
$230Multiple Airlines
Sun, Feb 15 - Thu, Feb 19

Spirit Airlines flights from Louisville to Boston

Our best Spirit Airlines deals on Louisville to Boston flight tickets
Spirit Airlines
Mar 12
SDF3:33 pmLouisville Intl
8h 26m
1 stop
BOS11:59 pmBoston Logan Intl
Mar 24
BOS5:40 amBoston Logan Intl
6h 39m
1 stop
SDF12:19 pmLouisville Intl
$185
Spirit Airlines
Feb 17
SDF3:33 pmLouisville Intl
8h 11m
1 stop
BOS11:44 pmBoston Logan Intl
Feb 18
BOS6:10 pmBoston Logan Intl
20h 28m
1 stop
SDF2:38 pmLouisville Intl
$207
Spirit Airlines
Feb 17
SDF3:33 pmLouisville Intl
8h 11m
1 stop
BOS11:44 pmBoston Logan Intl
Feb 18
BOS6:10 pmBoston Logan Intl
20h 28m
1 stop
SDF2:38 pmLouisville Intl
$211

Delta flights from Louisville to Boston

Our best Delta deals on Louisville to Boston flight tickets
Delta
Apr 11
SDF2:25 pmLouisville Intl
2h 18m
BOS4:43 pmBoston Logan Intl
Apr 15
BOS10:39 amBoston Logan Intl
2h 41m
SDF1:20 pmLouisville Intl
$295
Delta
Jan 28
SDF12:55 pmLouisville Intl
2h 14m
BOS3:09 pmBoston Logan Intl
Jan 31
BOS3:30 pmBoston Logan Intl
8h 20m
1 stop
SDF11:50 pmLouisville Intl
$407
Delta
Jan 31
SDF6:51 pmLouisville Intl
5h 00m
1 stop
BOS11:51 pmBoston Logan Intl
Feb 5
BOS9:27 amBoston Logan Intl
2h 47m
SDF12:14 pmLouisville Intl
$443

momondo 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, momondo users made 832,500 searches. Data last updated January 27, 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

Price

LouisvilleBoston

SDF - BOS

SDFBOS

Louisville Intl

Thu 3/12

3:33 pm-11:59 pm

1 stop8h 26m

Boston Logan Intl

Tue 3/24

5:40 am-12:19 pm

1 stop6h 39m

$185

LouisvilleBoston

SDF - BOS

SDFBOS

Louisville Intl

Tue 2/17

3:33 pm-11:44 pm

1 stop8h 11m

Boston Logan Intl

Wed 2/18

6:10 pm-2:38 pm

1 stop20h 28m

$207

LouisvilleBoston

SDF - BOS

SDFBOS

Louisville Intl

Tue 2/17

3:33 pm-11:44 pm

1 stop8h 11m

Boston Logan Intl

Thu 2/19

6:10 pm-8:40 am

1 stop14h 30m

$208

LouisvilleBoston

SDF - BOS

SDFBOS

Louisville Intl

Tue 2/17

3:33 pm-11:44 pm

1 stop8h 11m

Boston Logan Intl

Wed 2/18

6:10 pm-2:38 pm

1 stop20h 28m

$211

LouisvilleBoston

SDF - BOS

SDFBOS

Louisville Intl

Mon 2/16

9:30 am-10:26 am

1 stop24h 56m

Boston Logan Intl

Wed 2/18

6:10 pm-2:38 pm

1 stop20h 28m

$221

LouisvilleBoston

SDF - BOS

SDFBOS

Louisville Intl

Sat 2/14

12:00 pm-11:44 pm

1 stop11h 44m

Boston Logan Intl

Thu 2/19

6:10 pm-8:40 am

1 stop14h 30m

$224

LouisvilleBoston

SDF - BOS

SDFBOS

Louisville Intl

Tue 2/17

3:33 pm-11:44 pm

1 stop8h 11m

Boston Logan Intl

Fri 2/20

1:59 pm-11:05 am

1 stop21h 06m

$226

LouisvilleBoston

SDF - BOS

SDFBOS

Louisville Intl

Mon 2/16

1:19 pm-11:37 am

1 stop22h 18m

Boston Logan Intl

Wed 2/18

6:10 pm-2:38 pm

1 stop20h 28m

$227

LouisvilleBoston

SDF - BOS

SDFBOS

Louisville Intl

Mon 2/23

9:30 am-1:13 am

2 stops39h 43m

Boston Logan Intl

Mon 3/2

6:10 pm-2:38 pm

1 stop20h 28m

$228

LouisvilleBoston

SDF - BOS

SDFBOS

Louisville Intl

Sun 2/15

3:33 pm-11:44 pm

1 stop8h 11m

Boston Logan Intl

Thu 2/19

6:10 pm-8:40 am

1 stop14h 30m

$230

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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?

In general, September 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 $317. If you aren’t able to travel during the month of September, then book flights to Boston from Louisville during March instead. Flights to Boston in March, while not as cheap as those in September, still average around $344.

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 $390. 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 $1,110.

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 at noon. momondo users have found flights departing from Louisville to Boston at noon for as low as $398. 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 $694 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 $360 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 $304 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 35% 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 January 2026, prices for Louisville to Boston flights are approximately 123% more expensive 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

$312

Fastest flight time

2h 11m

Direct flights

Every day

Airports in Boston

1 airport
The best one-way flight to Boston from Louisville in the past 72 hours is $312. The best round-trip flight deal from Louisville to Boston found on momondo in the last 72 hours is $491.
The fastest flight from Louisville to Boston takes 2h 11m
Direct flights go from Louisville to Boston every day.
There is 1 airport in Boston. From Louisville there are direct flights to 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 11m.

  • 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?

  • 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?

  • 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
Airline
Rating
Free Cancellation
Price
Spirit AirlinesPriceFrom $174Free CancellationRating
6.3
8,384 reviews
Search Spirit Airlines flights
SouthwestPriceFrom $216Free CancellationRating
8.0
4,268 reviews
Search Southwest flights
DeltaPriceFrom $217Free CancellationRating
7.9
8,118 reviews
Search Delta flights
American AirlinesPriceFrom $262Free CancellationRating
7.2
11,197 reviews
Search American Airlines flights
United AirlinesPriceFrom $294Free CancellationRating
7.4
9,205 reviews
Search United Airlines flights

  • Delta Flights From Louisville to Boston

    Delta operates around 3 flights from Louisville to Boston every week. The average price of these flights found in the last 72 hours has been $351, but momondo users have found Delta deals from Louisville to Boston from as low as $217 round-trip. Delta has been scored 7.9/10 in 8,118 reviews.

  • American Airlines Flights From Louisville to Boston

    Another popular option for Louisville to Boston flights is American Airlines (7.2/10, 11,197 ratings). American Airlines flies from Louisville to Boston around 3 times per week, with deals starting from $262 round-trip and rising to an average price of around $357.

Traveling to a place near Boston?

Book flights to Boston if you plan to visit one of these locations
Hampton Beach
Salem
Ogunquit
Old Orchard Beach
Hampton
York Beach
Kennebunkport
Plymouth
South Yarmouth
Cambridge
Narragansett
Gloucester
Falmouth
Nashua
Brockton
Laconia
Sturbridge
Chatham
Warwick
Concord

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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