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$89+ 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 7/26. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — BOS
Jul 5 — Jul 121
Sat 7/5
Sat 7/12
1 adult, Economy
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Cheapflights Tip: The best prices from Louisville Intl to Boston Logan Intl are usually found in February or November, booked 88 days in advance, depart on a Friday or Thursday and return on a Saturday

Cheap flight deals from Louisville to Boston

Discover tips and strategies to find the most affordable flight options for your journey from Louisville (SDF) to Boston (BOS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated June 30, 2025.

Round-trip from

$275
(Delta)

One-way from

$89
(Mytrip)

Popular in

July

Cheapest in

February

Average price

$376

Good round-trip deal

$347 or less

Good one-way deal

$283 or less
From Louisville Intl to Boston Logan Intl
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One-way flight from Louisville Intl to Boston Logan Intl
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Highest demand for flights based on searches. 3% potential increase in price ($12 potential increase over avg. RT price).
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Cheapest flight prices on average. 0% potential price decrease ($4 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Price to beat on a round-trip flight from Louisville Intl to Boston Logan Intl.
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Price to beat on a one-way flight from Louisville Intl to Boston Logan Intl.
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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 June 30, 2025.

This Delta deal was found by Cheapflights users on 6/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/294:20 pmSDF - BOS
Nonstop2h 38mDelta
Tue 8/512:57 pmBOS - SDF
Nonstop2h 42mDelta
Deal found 6/29$275
This FlightHub deal was found by Cheapflights users on 6/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/308:13 pmSDF - BOS
1 stop23h 21mSpirit Airlines
Sun 8/38:39 pmBOS - SDF
1 stop22h 29mSpirit Airlines
Deal found 6/28$276
This Mytrip deal was found by Cheapflights users on 6/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/136:53 pmSDF - BOS
1 stop14h 05mMultiple Airlines
Thu 7/178:39 pmBOS - SDF
1 stop14h 47mMultiple Airlines
Deal found 6/28$277
This American Airlines deal was found by Cheapflights users on 6/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/28:20 amSDF - BOS
1 stop7h 30mAmerican Airlines
Sat 8/93:58 pmBOS - SDF
Nonstop2h 43mAmerican Airlines
Deal found 6/28$278
This Southwest deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/87:55 amSDF - BOS
1 stop4h 10mSouthwest
Sat 11/155:35 amBOS - SDF
1 stop7h 00mSouthwest
Deal found 6/30$281
This United Airlines deal was found by Cheapflights users on 6/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/67:20 pmSDF - BOS
1 stop5h 30mUnited Airlines
Tue 10/710:34 amBOS - SDF
2 stops10h 14mUnited Airlines
Deal found 6/29$312

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated June 30, 2025.
Use the filters below to find and compare flights from Louisville to Boston that are best for you.

Fly from

Louisville

Fly to

Boston

Route

Depart

Return

Price

LouisvilleBoston

SDF - BOS

SDFBOS

Louisville Intl

Tue 7/29

4:20 pm-6:58 pm

Nonstop2h 38m

Boston Logan Intl

Tue 8/5

12:57 pm-3:39 pm

Nonstop2h 42m

$275

LouisvilleBoston

SDF - BOS

SDFBOS

Louisville Intl

Wed 7/30

8:13 pm-7:34 pm

1 stop23h 21m

Boston Logan Intl

Sun 8/3

8:39 pm-7:08 pm

1 stop22h 29m

$276

LouisvilleBoston

SDF - BOS

SDFBOS

Louisville Intl

Sun 7/13

6:53 pm-8:58 am

1 stop14h 05m

Boston Logan Intl

Thu 7/17

8:39 pm-11:26 am

1 stop14h 47m

$277

LouisvilleBoston

SDF - BOS

SDFBOS

Louisville Intl

Sat 8/2

10:55 am-5:24 pm

1 stop6h 29m

Boston Logan Intl

Sat 8/9

3:58 pm-6:41 pm

Nonstop2h 43m

$278

LouisvilleBoston

SDF - BOS

SDFBOS

Louisville Intl

Sat 11/8

7:10 am-1:10 pm

1 stop6h 00m

Boston Logan Intl

Sat 11/15

5:20 am-12:05 pm

1 stop6h 45m

$281

LouisvilleBoston

SDF - BOS

SDFBOS

Louisville Intl

Mon 10/6

7:20 pm-12:50 am

1 stop5h 30m

Boston Logan Intl

Tue 10/7

10:34 am-8:48 pm

2 stops10h 14m

$312

LouisvilleBoston

SDF - BOS

SDFBOS

Louisville Intl

Sat 7/26

10:54 am-8:39 pm

1 stop9h 45m

$89

LouisvilleBoston

SDF - BOS

SDFBOS

Louisville Intl

Sun 9/7

2:46 pm-10:33 pm

1 stop7h 47m

$107

LouisvilleBoston

SDF - BOS

SDFBOS

Louisville Intl

Tue 9/9

4:20 pm-6:59 pm

Nonstop2h 39m

$109

LouisvilleBoston

SDF - BOS

SDFBOS

Louisville Intl

Mon 8/4

12:30 pm-6:56 pm

1 stop6h 26m

$119

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/28

Showing 1-10 of 13 results
1
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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?

Use this chart to determine the optimal time to book a round-trip flight from Louisville to Boston. Price data was last updated on June 27, 2025.

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, January is the cheapest month in which you can book a flight from Louisville to Boston (average of $218). Flying from Louisville to Boston in June is currently the most expensive (average of $306). 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?

Find hourly flight availability from Louisville to Boston. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 30, 2025.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 66% 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?

Use this chart to determine the cheapest time to fly round-trip from Louisville to Boston. Price data was last updated on June 29, 2025.

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 afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Louisville to Boston

Explore weekly flight availability from Louisville to Boston. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated June 30, 2025.

The most flights from SDF to BOS are scheduled on a Friday (4 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (1 on average).

Reviews of airlines servicing Boston

Get insights into the airlines that provide service to Boston. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Boston. Reviews last updated June 30, 2025.
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
4,278 reviews

Food

7.0

Overall

8.0

Comfort

8.0

Entertainment

7.6

Crew

8.6

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
Southwest
8.0
Very good
4,278 reviews
Southwest
8.0
Very good
4,278 reviews

Food

7.0

Overall

8.0

Comfort

8.0

Entertainment

7.6

Crew

8.6

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
Delta
8.0
Very good
7,973 reviews
Southwest
8.0
Very good
4,278 reviews

Food

7.0

Overall

8.0

Comfort

8.0

Entertainment

7.6

Crew

8.6

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
United Airlines
7.4
Good
8,852 reviews
Southwest
8.0
Very good
4,278 reviews

Food

7.0

Overall

8.0

Comfort

8.0

Entertainment

7.6

Crew

8.6

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,278 reviews

Food

7.0

Overall

8.0

Comfort

8.0

Entertainment

7.6

Crew

8.6

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
Allegiant Air
7.2
Good
711 reviews
Southwest
8.0
Very good
4,278 reviews

Food

7.0

Overall

8.0

Comfort

8.0

Entertainment

7.6

Crew

8.6

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

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?

    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 2 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 31m.

  • How popular is this Louisville to Boston flight route?

    This flight path from Louisville Intl to Boston Logan Intl was viewed by 20 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

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

    According to our current data, Delta ($275), Spirit Airlines ($276), and American Airlines ($278) offers the cheapest pricing from Louisville to Boston. You may be able to fly from Louisville to Boston for 21% 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 $107 on Spirit Airlines. Other airlines that offer cheap prices include Delta from $109 and Southwest from $119 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 Envoy Air (100%), Scandinavian Airlines (100%) or Delta (71%) 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 $410 for a flight from Louisville to Boston. The cheapest flight overall is $162 while the most popular route, (Louisville Intl - Boston Logan Intl) is currently priced at $205.

  • 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, January is the cheapest month in which you can book a flight from Louisville to Boston (average of $218). Flying from Louisville to Boston in June is currently the most expensive (average of $306). 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

Traveling to a place near Louisville?

Book flights to Louisville if you plan to visit one of these locations
Cambridge
Medford
Watertown
Warwick
Seabrook
Waltham
Framingham
Cranston
Randolph
Chestnut Hill
Chelsea
Brockton
York Beach
Saco
Burlington
West Yarmouth
Smithfield
Swansea
Lincoln
Quincy

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Top 5 airlines flying from Louisville to Boston

Discover the top 5 airlines that operate flights from Louisville to Boston. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$150Average$212FlexibilityNo cancel feeOn-time65%
DeltaCheapest$217Average$361FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$225Average$359FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$268Average$376FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$288Average$401FlexibilityNo cancel feeOn-time63%

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