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Cheap flights from Louisville to Boston from $87

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 2/3. 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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Find the cheapest flights from Louisville to Boston

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
1:32 pm - 10:31 pm
SDF
-
BOS
8h 59m1 stop
American Airlines Logo
9:51 am - 6:39 pm
BOS
-
SDF
8h 48m1 stop
$171American Airlines
Thu, Jan 8 - Thu, Jan 29
American Airlines Logo
8:07 am - 4:43 pm
SDF
-
BOS
8h 36m1 stop
American Airlines Logo
12:55 pm - 11:19 pm
BOS
-
SDF
10h 24m1 stop
$179American Airlines
Fri, Jan 30 - Wed, Feb 4
Multiple Airlines Logo
1:55 pm - 11:08 am
SDF
-
BOS
21h 13m1 stop
Multiple Airlines Logo
3:43 pm - 1:00 pm
BOS
-
SDF
21h 17m1 stop
$189Multiple Airlines
Fri, Jan 9 - Sun, Jan 11
Southwest Logo
4:05 pm - 8:55 pm
SDF
-
BOS
4h 50m1 stop
Southwest Logo
9:55 am - 5:00 pm
BOS
-
SDF
7h 05m1 stop
$197Southwest
Sat, Jan 17 - Wed, Jan 21
Southwest Logo
1:20 pm - 7:25 pm
SDF
-
BOS
6h 05m1 stop
Southwest Logo
3:20 pm - 10:10 pm
BOS
-
SDF
6h 50m2 stops
$202Southwest
Sat, Jan 17 - Wed, Jan 21
Spirit Airlines Logo
1:55 pm - 11:19 pm
SDF
-
BOS
9h 24m1 stop
Spirit Airlines Logo
7:00 am - 1:00 pm
BOS
-
SDF
30h 00m1 stop
$213Spirit Airlines
Fri, Jan 23 - Sun, Jan 25
Spirit Airlines Logo
1:55 pm - 11:19 pm
SDF
-
BOS
9h 24m1 stop
Spirit Airlines Logo
5:27 pm - 1:00 pm
BOS
-
SDF
19h 33m2 stops
$218Spirit Airlines
Fri, Jan 9 - Sun, Jan 11
Multiple Airlines Logo
7:00 am - 1:19 am
SDF
-
BOS
18h 19m2 stops
Multiple Airlines Logo
3:43 pm - 1:00 pm
BOS
-
SDF
21h 17m1 stop
$220Multiple Airlines
Thu, Jan 8 - Thu, Jan 29
American Airlines Logo
8:07 am - 4:43 pm
SDF
-
BOS
8h 36m1 stop
American Airlines Logo
12:30 pm - 11:19 pm
BOS
-
SDF
10h 49m1 stop
$221American Airlines
Sun, Jan 25 - Sat, Jan 31
Southwest Logo
11:10 am - 7:25 pm
SDF
-
BOS
8h 15m2 stops
Southwest Logo
9:55 am - 5:00 pm
BOS
-
SDF
7h 05m1 stop
$223Southwest
Sat, Jan 31 - Tue, Feb 3

American Airlines flights from Louisville to Boston

Our best American Airlines deals on Louisville to Boston flight tickets
American Airlines
Jan 8
SDF1:32 pmLouisville Intl
8h 59m
1 stop
BOS10:31 pmBoston Logan Intl
Jan 29
BOS9:51 amBoston Logan Intl
8h 48m
1 stop
SDF6:39 pmLouisville Intl
$171
Find similar
American Airlines
Jan 30
SDF8:07 amLouisville Intl
8h 36m
1 stop
BOS4:43 pmBoston Logan Intl
Feb 4
BOS12:55 pmBoston Logan Intl
10h 24m
1 stop
SDF11:19 pmLouisville Intl
$179
Find similar
American Airlines
Jan 25
SDF8:07 amLouisville Intl
8h 36m
1 stop
BOS4:43 pmBoston Logan Intl
Jan 31
BOS12:30 pmBoston Logan Intl
10h 49m
1 stop
SDF11:19 pmLouisville Intl
$221
Find similar

Southwest flights from Louisville to Boston

Our best Southwest deals on Louisville to Boston flight tickets
Southwest
Jan 17
SDF4:05 pmLouisville Intl
4h 50m
1 stop
BOS8:55 pmBoston Logan Intl
Jan 21
BOS9:55 amBoston Logan Intl
7h 05m
1 stop
SDF5:00 pmLouisville Intl
$197
Find similar
Southwest
Jan 17
SDF1:20 pmLouisville Intl
6h 05m
1 stop
BOS7:25 pmBoston Logan Intl
Jan 21
BOS3:20 pmBoston Logan Intl
6h 50m
2 stops
SDF10:10 pmLouisville Intl
$202
Find similar
Southwest
Jan 31
SDF11:10 amLouisville Intl
8h 15m
2 stops
BOS7:25 pmBoston Logan Intl
Feb 3
BOS9:55 amBoston Logan Intl
7h 05m
1 stop
SDF5:00 pmLouisville Intl
$223
Find similar

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 December 4, 2025.
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 1/8

1:32 pm-10:31 pm

1 stop8h 59m

Boston Logan Intl

Thu 1/29

9:51 am-6:39 pm

1 stop8h 48m

$171

LouisvilleBoston

SDF - BOS

SDFBOS

Louisville Intl

Fri 1/30

8:07 am-4:43 pm

1 stop8h 36m

Boston Logan Intl

Wed 2/4

12:55 pm-11:19 pm

1 stop10h 24m

$179

LouisvilleBoston

SDF - BOS

SDFBOS

Louisville Intl

Fri 1/9

1:55 pm-11:08 am

1 stop21h 13m

Boston Logan Intl

Sun 1/11

3:43 pm-1:00 pm

1 stop21h 17m

$189

LouisvilleBoston

SDF - BOS

SDFBOS

Louisville Intl

Sat 1/17

4:05 pm-8:55 pm

1 stop4h 50m

Boston Logan Intl

Wed 1/21

9:55 am-5:00 pm

1 stop7h 05m

$197

LouisvilleBoston

SDF - BOS

SDFBOS

Louisville Intl

Sat 1/17

1:20 pm-7:25 pm

1 stop6h 05m

Boston Logan Intl

Wed 1/21

3:20 pm-10:10 pm

2 stops6h 50m

$202

LouisvilleBoston

SDF - BOS

SDFBOS

Louisville Intl

Fri 1/23

1:55 pm-11:19 pm

1 stop9h 24m

Boston Logan Intl

Sun 1/25

7:00 am-1:00 pm

1 stop30h 00m

$213

LouisvilleBoston

SDF - BOS

SDFBOS

Louisville Intl

Fri 1/9

1:55 pm-11:19 pm

1 stop9h 24m

Boston Logan Intl

Sun 1/11

5:27 pm-1:00 pm

2 stops19h 33m

$218

LouisvilleBoston

SDF - BOS

SDFBOS

Louisville Intl

Thu 1/8

7:00 am-1:19 am

2 stops18h 19m

Boston Logan Intl

Thu 1/29

3:43 pm-1:00 pm

1 stop21h 17m

$220

LouisvilleBoston

SDF - BOS

SDFBOS

Louisville Intl

Sun 1/25

8:07 am-4:43 pm

1 stop8h 36m

Boston Logan Intl

Sat 1/31

12:30 pm-11:19 pm

1 stop10h 49m

$221

LouisvilleBoston

SDF - BOS

SDFBOS

Louisville Intl

Sat 1/31

11:10 am-7:25 pm

2 stops8h 15m

Boston Logan Intl

Tue 2/3

9:55 am-5:00 pm

1 stop7h 05m

$223

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 February instead. Flights to Boston in February, while not as cheap as those in September, still average around $331.

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 $1,083.

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 $763 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 $355 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 $303 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?

No. A direct flight is the cheapest option for a flight between Louisville to Boston.

How have Louisville to Boston flight prices changed over time?

As of December 2025, prices for Louisville to Boston flights are approximately 131% 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

$363

Fastest flight time

2h 14m

Direct flights

Every day

Airports in Boston

1 airport
The best one-way flight to Boston from Louisville in the past 72 hours is $363. The best round-trip flight deal from Louisville to Boston found on momondo in the last 72 hours is $377.
The fastest flight from Louisville to Boston takes 2h 14m
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 16m.

  • 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
8,157 reviews
Search Spirit Airlines flights
SouthwestPriceFrom $216Free CancellationRating
8.0
4,250 reviews
Search Southwest flights
DeltaPriceFrom $222Free CancellationRating
7.9
8,011 reviews
Search Delta flights
American AirlinesPriceFrom $264Free CancellationRating
7.2
11,047 reviews
Search American Airlines flights
United AirlinesPriceFrom $284Free CancellationRating
7.4
9,066 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 $353, but momondo users have found Delta deals from Louisville to Boston from as low as $222 round-trip. Delta has been scored 7.9/10 in 8,011 reviews.

  • American Airlines Flights From Louisville to Boston

    Another popular option for Louisville to Boston flights is American Airlines (7.2/10, 11,047 ratings). American Airlines flies from Louisville to Boston around 5 times per week, with deals starting from $264 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
Plymouth
Kennebunkport
South Yarmouth
Cambridge
Narragansett
Gloucester
Nashua
Falmouth
Laconia
Brockton
Concord
Everett
Sturbridge
Chatham

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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