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$52+ Cheap flights from Kentucky to Boston (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 8/8. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — BOS
Jul 27 — Aug 31
Mon 7/27
Mon 8/3
1 adult, Economy
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Cheap flight deals from Kentucky to Boston

Cheapest flights from Kentucky to Boston
Explore the most affordable flight options available from Kentucky to Boston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 27, 2026.

This Cheapflightsfares deal was found by Cheapflights users on 6/23. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/207:10 am
TYS
-
BOS
Nonstop2h 15m
Allegiant Air
Wed 9/3011:32 am
BOS
-
TYS
Nonstop2h 30m
Allegiant Air
Deal found 6/23$193
This Cheapflightsfares deal was found by Cheapflights users on 6/24. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/158:15 am
TYS
-
BOS
Nonstop2h 12m
Allegiant Air
Sun 10/1810:17 am
BOS
-
TYS
Nonstop2h 30m
Allegiant Air
Deal found 6/24$201
This Cheapflightsfares deal was found by Cheapflights users on 6/26. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/78:30 am
TYS
-
BOS
Nonstop2h 12m
Allegiant Air
Sat 10/109:02 am
BOS
-
TYS
Nonstop2h 30m
Allegiant Air
Deal found 6/26$205
This Kiwi.com deal was found by Cheapflights users on 6/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/97:30 am
TYS
-
BOS
Nonstop2h 20m
Multiple Airlines
Sat 8/2912:45 pm
BOS
-
TYS
2 stops27h 40m
Multiple Airlines
Deal found 6/22$211
This Kiwi.com deal was found by Cheapflights users on 6/23. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/269:30 am
TYS
-
BOS
Nonstop2h 15m
Allegiant Air
Thu 10/112:34 pm
BOS
-
TYS
1 stop19h 41m
Allegiant Air
Deal found 6/23$212
This Kiwi.com deal was found by Cheapflights users on 6/25. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/167:30 am
TYS
-
BOS
Nonstop2h 20m
Multiple Airlines
Sat 8/2912:45 pm
BOS
-
TYS
2 stops27h 40m
Multiple Airlines
Deal found 6/25$217
This Kiwi.com deal was found by Cheapflights users on 6/25. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/46:30 am
TYS
-
BOS
Nonstop2h 20m
Allegiant Air
Tue 7/711:40 am
BOS
-
TYS
Nonstop2h 22m
Allegiant Air
Deal found 6/25$219
This Cheapflightsfares deal was found by Cheapflights users on 6/24. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/138:30 am
TYS
-
BOS
Nonstop2h 12m
Allegiant Air
Sat 10/179:02 am
BOS
-
TYS
Nonstop2h 30m
Allegiant Air
Deal found 6/24$221
This Kiwi.com deal was found by Cheapflights users on 6/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/46:30 am
TYS
-
BOS
Nonstop2h 20m
Multiple Airlines
Fri 7/1010:04 am
BOS
-
TYS
1 stop13h 29m
Multiple Airlines
Deal found 6/26$223
This United Airlines deal was found by Cheapflights users on 6/22. 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.
Thu 9/178:31 am
BNA
-
BOS
1 stop4h 51m
United Airlines
Sun 9/277:38 am
BOS
-
BNA
1 stop5h 35m
United Airlines
Deal found 6/22$226
This United Airlines deal was found by Cheapflights users on 6/23. 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 8/36:30 pm
BNA
-
BOS
1 stop4h 29m
United Airlines
Thu 8/65:45 am
BOS
-
BNA
1 stop4h 44m
United Airlines
Deal found 6/23$227
This Kiwi.com deal was found by Cheapflights users on 6/23. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/153:34 pm
TYS
-
BOS
1 stop18h 37m
Allegiant Air
Sat 10/249:02 am
BOS
-
TYS
Nonstop2h 30m
Allegiant Air
Deal found 6/23$228

Find flight deals from Kentucky to Boston

Keep the following information in mind while searching for Kentucky to Boston flight deals. Data was last updated June 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$193
(Cheapflightsfares)

One-way from

$52
(Kiwi.com)

Popular in

April

Cheapest in

September

Average price

$487

Good round-trip deal

$572 or less

Good one-way deal

$381 or less
Provider with most accurate pricing for Louisville Intl-Boston Logan Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Louisville Intl-Boston Logan Intl flights.
Search Deals
From Kentucky to Boston Logan Intl
Search Deals
One-way flight from Kentucky to Boston Logan Intl
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($51 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2026
Search Deals
Price to beat on a round-trip flight from Kentucky to Boston Logan Intl.
Search Deals
Price to beat on a one-way flight from Kentucky to Boston Logan Intl.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Kentucky 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 27, 2026.
Use the filters below to find and compare flights from Kentucky to Boston that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

NashvilleBoston

BNA - BOS

BNABOS

Nashville Intl

Fri 10/9

6:33 pm-12:59 am

1 stop5h 26m

Boston Logan Intl

Wed 10/14

6:43 pm-11:14 pm

1 stop5h 31m

$229

NashvilleBoston

BNA - BOS

BNABOS

Nashville Intl

Fri 7/24

7:45 pm-11:21 pm

Nonstop2h 36m

Boston Logan Intl

Tue 7/28

12:45 pm-5:03 pm

1 stop5h 18m

$254

NashvilleBoston

BNA - BOS

BNABOS

Nashville Intl

Thu 9/24

6:00 am-11:24 am

1 stop4h 24m

Boston Logan Intl

Sun 9/27

7:38 am-12:13 pm

1 stop5h 35m

$254

KnoxvilleBoston

TYS - BOS

TYSBOS

Knoxville McGhee Tyson

Tue 9/8

5:30 pm-10:10 pm

1 stop4h 40m

Boston Logan Intl

Wed 9/9

1:20 pm-7:50 pm

1 stop6h 30m

$263

KnoxvilleBoston

TYS - BOS

TYSBOS

Knoxville McGhee Tyson

Sat 8/15

7:20 pm-11:59 pm

1 stop4h 39m

Boston Logan Intl

Tue 8/18

9:00 am-4:58 pm

1 stop7h 58m

$263

KnoxvilleBoston

TYS - BOS

TYSBOS

Knoxville McGhee Tyson

Tue 9/8

11:00 am-5:31 pm

1 stop6h 31m

Boston Logan Intl

Mon 9/14

5:40 am-10:18 am

1 stop4h 38m

$281

NashvilleBoston

BNA - BOS

BNABOS

Nashville Intl

Fri 7/24

6:24 pm-1:14 am

1 stop5h 50m

Boston Logan Intl

Tue 7/28

5:44 pm-11:02 pm

1 stop6h 18m

$281
Quickest round-trip

NashvilleBoston

BNA - BOS

BNABOS

Nashville Intl

Fri 7/17

7:45 pm-11:21 pm

Nonstop2h 36m

Boston Logan Intl

Tue 7/28

10:28 am-12:17 pm

Nonstop2h 49m

$282

NashvilleBoston

BNA - BOS

BNABOS

Nashville Intl

Sun 8/2

7:10 am-10:48 am

Nonstop2h 38m

Boston Logan Intl

Wed 8/5

8:20 am-10:16 am

Nonstop2h 56m

$282

NashvilleBoston

BNA - BOS

BNABOS

Nashville Intl

Sat 7/11

12:49 pm-9:56 pm

1 stop8h 07m

Boston Logan Intl

Tue 7/21

10:55 am-6:47 pm

2 stops8h 52m

$286

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/22

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from Kentucky to Boston

Have a flexible travel schedule? Discover the best time to fly to Boston from Kentucky 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 Kentucky to Boston

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

Currently, October is the cheapest month in which you can book a flight from Kentucky to Boston (average of $125). Flying from Kentucky to Boston in June is currently the most expensive (average of $274). 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 KY to BOS?

Find hourly flight availability from Kentucky 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 27, 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Kentucky to Boston as you normally would.

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

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

Booking 73 days in advance of your planned departure date is, on average, the best time to get cheap flights from Kentucky to Boston. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

Related info for your journey

Find useful and relevant information for your journey from Kentucky to Boston. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    Most people fly into Boston Logan Intl (BOS) if they book a flight to Boston from Kentucky. Logan Intl is conveniently located just 2.6 mi from Boston’s city center.

  • How popular is this Kentucky to Boston flight route?

    This flight path from Kentucky to Boston Logan Intl was viewed by 3 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • How long is the flight from Kentucky to Boston?

    There are many flights that can get you from Kentucky to Boston in 2h 36m. Fly via United Airlines, JetBlue, or Southwest to get the fastest option. Airlines will cover a distance of 941 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Kentucky to Boston one-way?

    For one-way options, check prices for United Airlines. According to our data, you can fly for as low as $99. Users have also found prices from $117 and $124 on American Airlines and Delta, respectively.

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

    The most popular flight routes from Kentucky to Boston are Cincinnati Cinci./N. Kentucky - Boston Logan Intl, Nashville Intl - Boston Logan Intl and Louisville Intl - Boston Logan Intl.

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

    Before booking your flight to Boston from Kentucky, check out the most reliable airlines to get you to your destination on time: Scandinavian Airlines (85%), Air France (80%), British Airways( 69%).

  • What are the cheapest flights from Kentucky to Boston?

    While on average a flight from Kentucky to Boston is generally $679, our data shows the cheapest flight currently is $288. When looking at the most popular route, (Cincinnati Cinci./N. Kentucky - Boston Logan Intl), you can expect to pay $237 for that flight.

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

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

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

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

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

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

    Currently, October is the cheapest month in which you can book a flight from Kentucky to Boston (average of $125). Flying from Kentucky to Boston in June is currently the most expensive (average of $274). 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 Boston?

Book flights to Boston if you plan to visit one of these locations
Waltham
Cambridge
Concord
Brockton
Watertown
Hampton Beach
Seekonk
Cranston
Warwick
Peabody
Auburn
Fitchburg
York Beach
Chelsea
Londonderry
Dedham
Swansea
Lowell
Smithfield
Braintree

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Top 4 airlines flying from Kentucky to Boston

Discover the top 4 airlines that operate flights from Kentucky 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 27, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$139Average$376FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$216Average$382FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$248Average$365FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$294Average$437FlexibilityNo cancel feeOn-time69%

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