Kentucky

$166+ Cheap flights from Boston (BOS) to Kentucky

BOS — SDF
Dec 9 — Dec 161
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Cheap flight deals from Boston to Kentucky

Cheapest flights from Boston to Kentucky

Fri 12/115:56 pm -
1 stop5h 55m
Sun 12/1311:10 am -
1 stop7h 43m
Deal found 11/8$345
Fri 12/183:00 pm -
1 stop5h 40m
Fri 12/256:00 am -
1 stop8h 03m
Deal found 11/5$349
Sat 12/511:35 am -
1 stop5h 40m
Sun 12/65:00 am -
2 stops7h 27m
Deal found 11/6$350
Wed 12/25:45 am -
2 stops7h 17m
Fri 12/1110:50 am -
1 stop7h 05m
Deal found 11/6$354
Thu 11/2610:16 am -
1 stop6h 53m
Fri 11/274:09 pm -
1 stop5h 26m
Deal found 11/5$359
Sun 11/225:30 am -
1 stop4h 23m
Wed 12/25:59 pm -
1 stop5h 59m
Deal found 11/5$364
Wed 12/95:27 am -
1 stop4h 33m
Wed 12/166:00 am -
1 stop7h 42m
Deal found 11/9$365
Sun 11/228:02 am -
1 stop7h 37m
Thu 11/265:15 am -
2 stops10h 51m
Deal found 11/5$369
Mon 12/218:50 am -
1 stop14h 33m
Fri 12/256:00 am -
1 stop8h 03m
Deal found 11/5$372
Sun 11/228:02 am -
1 stop7h 37m
Fri 11/274:09 pm -
1 stop5h 26m
Deal found 11/5$374
Fri 11/2011:08 am -
1 stop4h 31m
Tue 11/245:15 am -
1 stop5h 07m
Deal found 11/5$379
Mon 11/235:30 am -
2 stops7h 43m
Fri 11/271:49 pm -
1 stop5h 21m
Deal found 11/8$384

Find flight deals from Boston to Kentucky

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$345
(American Airlines)

One-way from

$166
(Kiwi.com)

Popular in

October

Cheapest in

February

Average price

$493

Good round-trip deal

$507 or less

Good one-way deal

$369 or less
Provider with most accurate pricing for Boston Logan Intl-Louisville Intl flight deals.
Provider most trusted by Cheapflights users for Boston Logan Intl-Louisville Intl flights.
From Boston Logan Intl to Kentucky
One-way flight from Boston Logan Intl to Kentucky
Highest demand for flights based on searches. 8% potential increase in price ($42 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease ($10 potential savings vs. average RT price).
Average for round-trip flights in November 2026
Price to beat on a round-trip flight from Boston Logan Intl to Kentucky.
Price to beat on a one-way flight from Boston Logan Intl to Kentucky.

Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Boston to Kentucky that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BostonLouisville

BOS Boston Logan Intl - SDF Louisville Intl

BOSSDF

Boston Logan Intl

Wed 12/30

8:45 am-3:35 pm

1 stop6h 50m

Louisville Intl

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$204

BostonLouisville

BOS Boston Logan Intl - SDF Louisville Intl

BOSSDF

Boston Logan Intl

Tue 11/17

11:20 am-8:40 pm

2 stops9h 20m

Louisville Intl

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$208

BostonLouisville

BOS Boston Logan Intl - SDF Louisville Intl

BOSSDF

Boston Logan Intl

Fri 12/11

12:55 pm-10:15 pm

2 stops9h 20m

Louisville Intl

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$219

BostonLouisville

BOS Boston Logan Intl - SDF Louisville Intl

BOSSDF

Boston Logan Intl

Tue 12/8

1:20 pm-9:55 pm

2 stops8h 35m

Louisville Intl

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$230

BostonLouisville

BOS Boston Logan Intl - SDF Louisville Intl

BOSSDF

Boston Logan Intl

Sun 12/13

7:25 am-4:35 pm

2 stops9h 10m

Louisville Intl

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$232

BostonLouisville

BOS Boston Logan Intl - SDF Louisville Intl

BOSSDF

Boston Logan Intl

Thu 3/18

12:02 pm-5:09 pm

2 stops29h 07m

Louisville Intl

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$270

BostonLouisville

BOS Boston Logan Intl - SDF Louisville Intl

BOSSDF

Boston Logan Intl

Tue 11/24

7:00 am-1:35 pm

1 stop6h 35m

Louisville Intl

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$279

BostonLexington

BOS Boston Logan Intl - LEX Lexington Blue Grass

BOSLEX

Boston Logan Intl

Mon 12/7

2:54 pm-9:28 pm

1 stop6h 34m

Lexington Blue Grass

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$289

BostonLexington

BOS Boston Logan Intl - LEX Lexington Blue Grass

BOSLEX

Boston Logan Intl

Tue 12/1

9:41 am-3:39 pm

1 stop5h 58m

Lexington Blue Grass

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$289
Quickest round-trip

BostonLexington

BOS Boston Logan Intl - LEX Lexington Blue Grass

BOSLEX

Boston Logan Intl

Thu 12/17

6:00 pm-11:10 pm

1 stop5h 10m

Lexington Blue Grass

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$289

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/7

Showing 1-10 of 42 resultsSorted by cheapest first
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Best time to book a flight from Boston to Kentucky

Have a flexible travel schedule? Discover the best time to fly to Kentucky from Boston with our price prediction graph.
Estimated round-trip price

Cheapflights Insights

Everything you need to know about your flight from Boston to Kentucky

What is the cheapest month to book a flight from Boston to Kentucky?

Currently, February is the cheapest month in which you can book a flight from Boston to Kentucky (average of $397). Flying from Boston to Kentucky in October is currently the most expensive (average of $558). 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 BOS to KY?

When flying from Boston to Kentucky, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from Boston to Kentucky

The most flights from BOS to USKY are scheduled on a Sunday (2 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (1 on average).

How much does it cost to fly round-trip from Boston to Kentucky?

Airfare is typical for this route at the moment.
Boston to Kentucky flights typically cost between $445 and $602 in December.
The cheapest round-trip price found within the last 5 days was $447 on Delta (Dec 3-Dec 8).

How far ahead should I book a flight from Boston to Kentucky?

The best time to book flights from Boston to Kentucky is 54 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

Reviews of airlines servicing Kentucky

Peruse reviews from past customers who have flown with Southwest,Delta, andUnited Airlines from Boston to Kentucky to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Boarding

8.1

Entertainment

7.4

Comfort

8.0

Crew

8.6

Food

7.0

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Patricia,Oct 2026

DAL - TPA

I love flying southwest, Both flights were packed full full - so not room for all carry one and bags had to be checked but still good flights.

Boarding

8.1

Entertainment

7.4

Comfort

8.0

Crew

8.6

Food

7.0

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Patricia,Oct 2026

DAL - TPA

I love flying southwest, Both flights were packed full full - so not room for all carry one and bags had to be checked but still good flights.

Boarding

8.1

Entertainment

7.4

Comfort

8.0

Crew

8.6

Food

7.0

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Patricia,Oct 2026

DAL - TPA

I love flying southwest, Both flights were packed full full - so not room for all carry one and bags had to be checked but still good flights.

Boarding

8.1

Entertainment

7.4

Comfort

8.0

Crew

8.6

Food

7.0

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Patricia,Oct 2026

DAL - TPA

I love flying southwest, Both flights were packed full full - so not room for all carry one and bags had to be checked but still good flights.

Boarding

8.1

Entertainment

7.4

Comfort

8.0

Crew

8.6

Food

7.0

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Patricia,Oct 2026

DAL - TPA

I love flying southwest, Both flights were packed full full - so not room for all carry one and bags had to be checked but still good flights.

Boarding

8.1

Entertainment

7.4

Comfort

8.0

Crew

8.6

Food

7.0

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Patricia,Oct 2026

DAL - TPA

I love flying southwest, Both flights were packed full full - so not room for all carry one and bags had to be checked but still good flights.

Related info for your journey

  • What airport do you fly from for flights from Boston to Kentucky?

    Located just 2.6 mi from the city center, Boston Logan Intl (BOS) is the airport most travelers will use when flying to Kentucky from Boston.

  • How popular is this Boston to Kentucky flight route?

  • How long is the flight from Boston to Kentucky?

    A quick flight from Boston to Kentucky can take about 5h 03m. United Airlines provides one of the quickest options available for as low as $455. There are 827 mi between Boston and Kentucky. This flight may include one or multiple stops.

  • What are the most popular routes from Boston to Kentucky?

  • What are the most reliable airlines from Boston to Kentucky?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Boston to Kentucky on time: Envoy Air (85%), Delta (82%), American Airlines (81%).

  • What are the cheapest flights from Boston to Kentucky?

    Looking at all options, your cheapest flight can be booked for $328. While the most popular route (Boston Logan Intl - Nashville Intl) can be booked for $227 on average, our data indicates $486 when flying from Boston to Kentucky.

  • Can I find deals for flights from Boston to Kentucky that include hotel bookings?

    Yes. In addition to deals on Boston to Kentucky flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Boston to Kentucky?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Boston to Kentucky.

  • Can I find deals for business class flights from Boston to Kentucky?

    Yes. Cheapflights offers flight deals from Boston to Kentucky 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 Boston to Kentucky?

    Currently, February is the cheapest month in which you can book a flight from Boston to Kentucky (average of $397). Flying from Boston to Kentucky in October is currently the most expensive (average of $558). 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

Browse thousands of different options on Cheapflights for your next trip

Top 5 airlines flying from Boston to Kentucky

AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$248Average$461FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$268Average$458FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$269Average$460FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$342Average$522FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$353Average$508FlexibilityNo cancel feeOn-time69%

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