HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Lexington

$148+ Cheap flights from Boston to Lexington (BOS - LEX)

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 1/8. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — LEX
Dec 20 — Dec 271
Sat 12/20
Sat 12/27
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Boston to Lexington with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Boston to Lexington

Discover tips and strategies to find the most affordable flight options for your journey from Boston (BOS) to Lexington (LEX). 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 November 20, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$224
(Kiwi.com)

One-way from

$148
(Kiwi.com)

Popular in

April

Cheapest in

September

Average price

$413
Provider with most accurate pricing for Boston Logan Intl-Lexington Blue Grass flight deals.
Search Deals
Provider most trusted by Cheapflights users for Boston Logan Intl-Lexington Blue Grass flights.
Search Deals
From Boston Logan Intl to Lexington Blue Grass
Search Deals
One-way flight from Boston Logan Intl to Lexington Blue Grass
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($58 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($15 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

Find flight deals from Boston to Lexington

Cheapest flights from Boston to Lexington
Explore the most affordable flight options available from Boston to Lexington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 20, 2025.

This Delta deal was found by Cheapflights users on 11/18. 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.
Fri 12/125:29 amBOS - LEX
1 stop4h 23mDelta
Tue 12/161:04 pmLEX - BOS
1 stop5h 10mDelta
Deal found 11/18$249
This Delta deal was found by Cheapflights users on 11/20. 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.
Sat 12/69:15 amBOS - LEX
1 stop5h 41mDelta
Fri 12/126:02 pmLEX - BOS
1 stop5h 53mDelta
Deal found 11/20$250
This Delta deal was found by Cheapflights users on 11/20. 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.
Sat 12/69:15 amBOS - LEX
1 stop5h 41mDelta
Wed 12/107:00 amLEX - BOS
1 stop5h 15mDelta
Deal found 11/20$251
This United Airlines deal was found by Cheapflights users on 11/17. 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.
Wed 12/36:00 amBOS - LEX
1 stop7h 22mUnited Airlines
Wed 12/107:00 amLEX - BOS
2 stops7h 29mUnited Airlines
Deal found 11/17$255
This Delta deal was found by Cheapflights users on 11/20. 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.
Fri 12/56:25 pmBOS - LEX
1 stop5h 43mDelta
Thu 12/117:59 pmLEX - BOS
1 stop5h 28mDelta
Deal found 11/20$264
This Delta deal was found by Cheapflights users on 11/17. 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.
Thu 12/45:40 amBOS - LEX
1 stop6h 43mDelta
Sat 12/66:12 pmLEX - BOS
1 stop5h 02mDelta
Deal found 11/17$265
This United Airlines deal was found by Cheapflights users on 11/19. 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 12/85:30 amBOS - LEX
2 stops7h 52mUnited Airlines
Sat 12/132:10 pmLEX - BOS
1 stop5h 15mUnited Airlines
Deal found 11/19$269
This United Airlines deal was found by Cheapflights users on 11/18. 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 12/410:40 amBOS - LEX
1 stop6h 30mUnited Airlines
Sat 12/610:07 amLEX - BOS
2 stops8h 41mUnited Airlines
Deal found 11/18$270
This United Airlines deal was found by Cheapflights users on 11/19. 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 12/45:30 amBOS - LEX
2 stops7h 52mUnited Airlines
Tue 12/910:07 amLEX - BOS
2 stops7h 09mUnited Airlines
Deal found 11/19$275
This Delta deal was found by Cheapflights users on 11/20. 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.
Fri 12/55:29 amBOS - LEX
1 stop4h 23mDelta
Sun 12/76:05 amLEX - BOS
1 stop5h 10mDelta
Deal found 11/20$279
This Kiwi.com deal was found by Cheapflights users on 11/18. 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.
Wed 12/35:45 amBOS - LEX
1 stop28h 43mMultiple Airlines
Sun 12/711:18 amLEX - BOS
2 stops22h 45mMultiple Airlines
Deal found 11/18$288

Cheapflights Fare Finder

 
Customize your flight search to find flights from Boston to Lexington 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 November 20, 2025.
Use the filters below to find and compare flights from Boston to Lexington that are best for you.

Fly from

Boston

Fly to

Lexington

Route

Depart

Return

Price

BostonLexington

BOS - LEX

BOSLEX

Boston Logan Intl

Wed 1/21

3:43 pm-11:01 am

2 stops19h 18m

Lexington Blue Grass

Sun 1/25

11:51 am-11:57 pm

1 stop12h 06m

$245

BostonLexington

BOS - LEX

BOSLEX

Boston Logan Intl

Sat 2/7

12:55 pm-7:15 pm

1 stop6h 20m

Lexington Blue Grass

Wed 2/11

7:26 am-12:19 pm

1 stop4h 53m

$249

BostonLexington

BOS - LEX

BOSLEX

Boston Logan Intl

Thu 1/1

5:30 pm-11:12 pm

1 stop5h 42m

Lexington Blue Grass

Wed 1/7

11:39 am-3:56 pm

1 stop4h 17m

$249

BostonLexington

BOS - LEX

BOSLEX

Boston Logan Intl

Tue 4/7

3:00 pm-10:16 pm

1 stop7h 16m

Lexington Blue Grass

Sat 4/11

3:45 pm-10:35 pm

1 stop6h 50m

$249

BostonLexington

BOS - LEX

BOSLEX

Boston Logan Intl

Wed 1/21

3:50 pm-11:23 pm

1 stop7h 33m

Lexington Blue Grass

Sun 1/25

7:17 pm-11:54 pm

1 stop4h 37m

$249

BostonLexington

BOS - LEX

BOSLEX

Boston Logan Intl

Thu 1/8

1:30 pm-8:01 pm

1 stop6h 31m

Lexington Blue Grass

Tue 1/13

5:18 pm-1:04 am

1 stop7h 46m

$249

BostonLexington

BOS - LEX

BOSLEX

Boston Logan Intl

Fri 12/12

5:29 am-9:52 am

1 stop4h 23m

Lexington Blue Grass

Tue 12/16

1:04 pm-6:14 pm

1 stop5h 10m

$249

BostonLexington

BOS - LEX

BOSLEX

Boston Logan Intl

Thu 12/11

1:05 pm-5:21 pm

1 stop4h 16m

Lexington Blue Grass

Mon 12/15

3:41 pm-11:24 pm

1 stop7h 43m

$249

BostonLexington

BOS - LEX

BOSLEX

Boston Logan Intl

Wed 12/10

9:15 am-2:56 pm

1 stop5h 41m

Lexington Blue Grass

Sun 12/14

7:45 am-11:59 am

1 stop4h 14m

$250

BostonLexington

BOS - LEX

BOSLEX

Boston Logan Intl

Wed 4/1

12:20 pm-8:23 pm

1 stop8h 03m

Lexington Blue Grass

Thu 4/9

7:30 am-2:27 pm

2 stops6h 57m

$254

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/17

Showing 1-10 of 21 results
1
2
3

Compare providers for flights from Boston to Lexington

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Boston to Lexington in November.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Boston-Lexington flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Boston-Lexington flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Boston-Lexington flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Boston-Lexington flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Boston-Lexington flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Boston to Lexington

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

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

Currently, June is the cheapest month in which you can book a flight from Boston to Lexington (average of $89). Flying from Boston to Lexington in March is currently the most expensive (average of $250). 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 LEX?

Find hourly flight availability from Boston to Lexington. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 20, 2025.

It’s typically best to fly out from Boston to Lexington at noon. Doing so could potentially save you 9% on the flight price compared to flying in the afternoon, which is usually more expensive.

Reviews of airlines servicing Lexington

Get insights into the airlines that provide service to Lexington. 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 Lexington. Reviews last updated November 20, 2025.
Read through reviews of airlines operating flights from Boston to Lexington, such as Delta, United Airlines, and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,002 reviews

Crew

8.5

Comfort

7.9

Entertainment

7.9

Boarding

8.1

Overall

7.9

Food

7.3

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,002 reviews
Delta
7.9
Good
8,002 reviews

Crew

8.5

Comfort

7.9

Entertainment

7.9

Boarding

8.1

Overall

7.9

Food

7.3

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,029 reviews
Delta
7.9
Good
8,002 reviews

Crew

8.5

Comfort

7.9

Entertainment

7.9

Boarding

8.1

Overall

7.9

Food

7.3

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
American Airlines
7.2
Good
11,047 reviews
Delta
7.9
Good
8,002 reviews

Crew

8.5

Comfort

7.9

Entertainment

7.9

Boarding

8.1

Overall

7.9

Food

7.3

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

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

  • How long is the flight from Boston to Lexington?

    Delta can get you from Boston to Lexington in just under 6h 20m. Your travel time can differ by up to . Airlines will cover a distance of 776 mi.

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

    Our cheapest airline available from Boston to Lexington is American Airlines. Our recent data shows that you can find tickets from as low as $248 on this airline. Additional options worth looking into are Delta and United Airlines, starting at $248 and $248 round-trip. American Airlines is 47% cheaper than the average price of flights available within the next 90 days to this destination.

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

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

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

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

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

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

    Currently, June is the cheapest month in which you can book a flight from Boston to Lexington (average of $89). Flying from Boston to Lexington in March is currently the most expensive (average of $250). 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 Lexington?

Book flights to Lexington if you plan to visit one of these locations
Berea
Georgetown
Frankfort

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Boston to Lexington

See prices for flight routes from nearby airports that may be better suited for you.
Boston to Nashville flights
Boston to Cincinnati flights
Hartford to Nashville flights
Boston to Louisville flights
Albany to Nashville flights
Hartford to Knoxville flights
Hartford to Cincinnati flights
Boston to Evansville flights
Boston to Knoxville flights
Hartford to Louisville flights
Albany to Louisville flights
Hartford to Lexington flights
Albany to Knoxville flights
Albany to Lexington flights
Boston to Blountville flights
Worcester to Nashville flights
Albany to Cincinnati flights
Boston to Huntington flights
Hartford to Evansville flights
Albany to Blountville flights
West Tisbury to Nashville flights
Hartford to Blountville flights
Boston to Paducah flights
Albany to Evansville flights
Provincetown to Nashville flights
Boston to Owensboro flights
West Tisbury to Knoxville flights
Hartford to Owensboro flights

Top 3 airlines flying from Boston to Lexington

Discover the top 3 airlines that operate flights from Boston to Lexington. 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 November 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$248Average$479FlexibilityNo cancel feeOn-time69%
DeltaCheapest$248Average$477FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$248Average$446FlexibilityNo cancel feeOn-time71%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.