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Cheap flights from Boston to Kentucky from $46

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Boston to Kentucky departing on 9/5. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Boston to Kentucky

Cheap round-trip flights

Enter your travel dates to find the best prices.
Allegiant Air Logo
12:35 pm - 3:01 pm
BOS
-
TYS
2h 26mnonstop
Allegiant Air Logo
7:10 am - 9:25 am
TYS
-
BOS
2h 15mnonstop
$114Allegiant Air
Sat, Sep 5 - Thu, Sep 10
Allegiant Air Logo
12:35 pm - 3:01 pm
BOS
-
TYS
2h 26mnonstop
Allegiant Air Logo
7:10 am - 9:25 am
TYS
-
BOS
2h 15mnonstop
$119Allegiant Air
Sat, Sep 5 - Thu, Sep 10
Multiple Airlines Logo
10:04 am - 7:53 pm
BOS
-
TYS
9h 49m
1 stop
Multiple Airlines Logo
9:30 am - 11:45 am
TYS
-
BOS
2h 15mnonstop
$181Multiple Airlines
Sat, Sep 5 - Sun, Sep 6
Multiple Airlines Logo
10:04 am - 7:53 pm
BOS
-
TYS
9h 49m
1 stop
Multiple Airlines Logo
9:30 am - 11:45 am
TYS
-
BOS
2h 15mnonstop
$184Multiple Airlines
Sat, Sep 5 - Sat, Sep 12
JetBlue Logo
1:00 pm - 7:35 pm
BOS
-
BNA
7h 35m
1 stop
JetBlue Logo
10:30 am - 4:59 pm
BNA
-
BOS
5h 29m
1 stop
$214JetBlue
Wed, Oct 21 - Sat, Oct 24
JetBlue Logo
5:15 am - 9:32 am
BOS
-
BNA
5h 17m
1 stop
JetBlue Logo
10:30 am - 5:21 pm
BNA
-
BOS
5h 51m
1 stop
$214JetBlue
Wed, Sep 23 - Wed, Sep 30
Frontier Logo
9:15 am - 5:38 pm
BOS
-
BNA
9h 23m
1 stop
Frontier Logo
6:34 pm - 8:20 am
BNA
-
BOS
12h 46m
1 stop
$238Frontier
Mon, Oct 12 - Sat, Oct 17
Frontier Logo
9:15 am - 5:38 pm
BOS
-
BNA
9h 23m
1 stop
Frontier Logo
6:34 pm - 8:20 am
BNA
-
BOS
12h 46m
1 stop
$242Frontier
Mon, Oct 12 - Thu, Oct 15
United Airlines Logo
7:05 am - 1:18 pm
BOS
-
TYS
6h 13m
1 stop
United Airlines Logo
7:20 pm - 11:59 pm
TYS
-
BOS
4h 39m
1 stop
$266United Airlines
Sat, Sep 5 - Sat, Sep 5
United Airlines Logo
3:30 pm - 8:53 pm
BOS
-
TYS
5h 23m
1 stop
United Airlines Logo
7:20 pm - 11:59 pm
TYS
-
BOS
4h 39m
1 stop
$271United Airlines
Thu, Aug 20 - Mon, Aug 24

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Frontier flights from Boston to Kentucky

Our best Frontier deals on Boston to Kentucky flight tickets
Frontier
Oct 12
BOS9:15 amBoston Logan Intl
9h 23m
1 stop
BNA5:38 pmNashville Intl
Oct 17
BNA6:34 pmNashville Intl
12h 46m
1 stop
BOS8:20 amBoston Logan Intl
$238
Frontier
Oct 12
BOS9:15 amBoston Logan Intl
9h 23m
1 stop
BNA5:38 pmNashville Intl
Oct 15
BNA6:34 pmNashville Intl
12h 46m
1 stop
BOS8:20 amBoston Logan Intl
$242
Frontier
Sep 14
BOS12:54 pmBoston Logan Intl
26h 24m
2 stops
BNA2:18 pmNashville Intl
Sep 25
BNA5:40 pmNashville Intl
16h 11m
1 stop
BOS10:51 amBoston Logan Intl
$243

Delta flights from Boston to Kentucky

Our best Delta deals on Boston to Kentucky flight tickets
Delta
Aug 15
BOS6:35 pmBoston Logan Intl
3h 05m
BNA8:40 pmNashville Intl
Aug 18
BNA5:35 pmNashville Intl
2h 44m
BOS9:19 pmBoston Logan Intl
$287
Delta
Aug 15
BOS6:35 pmBoston Logan Intl
3h 05m
BNA8:40 pmNashville Intl
Aug 18
BNA9:37 amNashville Intl
6h 13m
1 stop
BOS4:50 pmBoston Logan Intl
$315
Delta
Aug 27
BOS6:00 pmBoston Logan Intl
5h 15m
1 stop
LEX11:15 pmLexington Blue Grass
Sep 10
LEX6:00 pmLexington Blue Grass
5h 58m
1 stop
BOS11:58 pmBoston Logan Intl
$319

momondo Fare Finder

 
Customize your flight search to find flights from Boston to Kentucky 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 August 3, 2026.
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
Quickest round-trip

BostonKnoxville

BOS - TYS

BOSTYS

Boston Logan Intl

Sat 9/5

12:35 pm-3:01 pm

Nonstop2h 26m

Knoxville McGhee Tyson

Thu 9/10

7:10 am-9:25 am

Nonstop2h 15m

$114

BostonKnoxville

BOS - TYS

BOSTYS

Boston Logan Intl

Sat 9/5

12:35 pm-3:01 pm

Nonstop2h 26m

Knoxville McGhee Tyson

Thu 9/10

7:10 am-9:25 am

Nonstop2h 15m

$119

BostonKnoxville

BOS - TYS

BOSTYS

Boston Logan Intl

Sat 9/5

10:04 am-7:53 pm

1 stop9h 49m

Knoxville McGhee Tyson

Sun 9/6

9:30 am-11:45 am

Nonstop2h 15m

$181

BostonKnoxville

BOS - TYS

BOSTYS

Boston Logan Intl

Sat 9/5

10:04 am-7:53 pm

1 stop9h 49m

Knoxville McGhee Tyson

Sat 9/12

9:30 am-11:45 am

Nonstop2h 15m

$184

BostonNashville

BOS - BNA

BOSBNA

Boston Logan Intl

Wed 10/21

1:00 pm-7:35 pm

1 stop7h 35m

Nashville Intl

Sat 10/24

10:30 am-4:59 pm

1 stop5h 29m

$214

BostonNashville

BOS - BNA

BOSBNA

Boston Logan Intl

Wed 9/23

5:15 am-9:32 am

1 stop5h 17m

Nashville Intl

Wed 9/30

10:30 am-5:21 pm

1 stop5h 51m

$214

BostonNashville

BOS - BNA

BOSBNA

Boston Logan Intl

Mon 10/12

9:15 am-5:38 pm

1 stop9h 23m

Nashville Intl

Sat 10/17

6:34 pm-8:20 am

1 stop12h 46m

$238

BostonNashville

BOS - BNA

BOSBNA

Boston Logan Intl

Mon 10/12

9:15 am-5:38 pm

1 stop9h 23m

Nashville Intl

Thu 10/15

6:34 pm-8:20 am

1 stop12h 46m

$242

BostonKnoxville

BOS - TYS

BOSTYS

Boston Logan Intl

Sat 9/5

7:05 am-1:18 pm

1 stop6h 13m

Knoxville McGhee Tyson

Sat 9/5

7:20 pm-11:59 pm

1 stop4h 39m

$266

BostonKnoxville

BOS - TYS

BOSTYS

Boston Logan Intl

Thu 8/20

3:30 pm-8:53 pm

1 stop5h 23m

Knoxville McGhee Tyson

Mon 8/24

7:20 pm-11:59 pm

1 stop4h 39m

$271

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 Kentucky from

How to get the cheapest flight ticket from Boston to Kentucky

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 Kentucky?

If you’re not able to fly to Kentucky in December, then September is your next best option. Flight prices from Boston to Kentucky during September average around $396.

What is the cheapest day to depart on your flight to Kentucky?

Our data shows that Saturday is the least expensive day to fly to Kentucky. Tickets to fly out on this day can be as low as $410. If your travel schedule is flexible, try to avoid departing on a Monday because tickets tend to average around $537. These prices are subject to change though, so be sure to set up a Price Alert for flights to Kentucky.

What is the cheapest time of day to depart on your flight to Kentucky?

According to our data, the cheapest time of day to fly to Kentucky is in the afternoon. momondo users have found flights departing from Boston to Kentucky in the afternoon for as low as $355. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In contrast, the most expensive time of day to depart to Kentucky is at noon when prices are around $458.

What is the cheapest Boston Logan Intl to Kentucky flight route?

Fly from Boston Logan Intl to Louisville Intl for the best Boston Logan Intl - Kentucky flight prices

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

You are more likely to see cheaper flights to Kentucky from Boston when booking weeks ahead of your departure date. In general, you can expect to find flights to Kentucky for around $453 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Kentucky from Boston for as low as $375 on momondo.

What cabin class options are available on Boston to Kentucky flights?

There are 4 cabin classes available to choose from on Boston to Kentucky 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 Boston to Kentucky flights?

You could potentially save up to 30% on your flight if you consider stops on a Boston to Kentucky flight.

Cheap Boston to Kentucky flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Boston to Kentucky

Best Price Found

$288

Fastest flight time

2h 25m

Direct flights

Mon, Wed, Thu, Fri, Sat and Sun

Airports in Kentucky

43 airports
The best one-way flight to Kentucky from Boston in the past 72 hours is $288. The best round-trip flight deal from Boston to Kentucky found on momondo in the last 72 hours is $433.
The fastest flight from Boston to Kentucky takes 2h 25m
Direct flights go from Boston to Kentucky on Monday, Wednesday, Thursday, Friday, Saturday and Sunday. There are no airlines offering direct flights.
There are 43 airports in Kentucky. From Boston there are direct flights to Cincinnati Cinci./N. Kentucky (CVG), Knoxville McGhee Tyson (TYS).
Search flight deals

Frequently asked questions about flying from Boston to Kentucky

  • When did momondo last update prices for flights from Boston Logan Intl Airport to Kentucky?

    Prices for flights from Boston Logan Intl Airport to Kentucky are refreshed on a daily basis.

  • How many operators does momondo search for flights from Boston Logan Intl Airport to Kentucky?

  • How old do you have to be to fly from Boston Logan Intl Airport to Kentucky?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Boston Logan Intl Airport to Kentucky.

  • What documentation or ID do you need to fly to Kentucky?

    The necessary travel and health documents for your Kentucky trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Boston to Kentucky?

Best airlines flying from Boston to Kentucky

Compare and see reviews for airlines that fly from Boston to Kentucky with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $248Free CancellationRating
7.4
10,058 reviews
Search United Airlines flights
American AirlinesPriceFrom $248Free CancellationRating
7.1
11,842 reviews
Search American Airlines flights
DeltaPriceFrom $248Free CancellationRating
7.8
8,483 reviews
Search Delta flights
SouthwestPriceFrom $342Free CancellationRating
8.0
4,227 reviews
Search Southwest flights

Why use momondo?

Why should I use momondo to find a flight deal from Boston to Kentucky?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Boston to Kentucky. momondo saves you time and could save you money on your trip.

Can I find flights from Boston to Kentucky with flexible booking policies on momondo?

All flight searches from Boston to Kentucky on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Boston to Kentucky?

momondo helps you find the best flight between Boston and Kentucky by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Boston to Kentucky right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Kentucky, momondo offers a useful price alert feature which will track prices for flights to Kentucky from Boston and alert you when they change.

An easier way to manage your Kentucky 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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