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Lexington

$100+ 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 11/24. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — LEX
août 23 — août 301
sam. 8/23
sam. 8/30
1 adult, Economy
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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 août 18, 2025.

Round-trip from

$202
(Kiwi.com)

One-way from

$126
(Delta)

Popular in

December

Cheapest in

September

Average price

$338
From Boston Logan Intl to Lexington Blue Grass
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One-way flight from Boston Logan Intl to Lexington Blue Grass
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Highest demand for flights based on searches. 14% potential increase in price ($81 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($21 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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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 août 18, 2025.

This Kiwi.com deal was found by Cheapflights users on 8/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 9/36:55 pmBOS - LEX
1 stop16h 31mMultiple Airlines
dim. 9/712:16 pmLEX - BOS
1 stop22h 57mMultiple Airlines
Deal found 8/17$231
This Delta deal was found by Cheapflights users on 8/18. 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.
mer. 9/245:40 amBOS - LEX
1 stop4h 04mDelta
lun. 9/295:48 pmLEX - BOS
1 stop6h 00mDelta
Deal found 8/18$249
This Delta deal was found by Cheapflights users on 8/18. 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.
jeu. 9/45:15 amBOS - LEX
1 stop4h 29mDelta
lun. 9/86:10 pmLEX - BOS
1 stop7h 14mDelta
Deal found 8/18$254
This Delta deal was found by Cheapflights users on 8/18. 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.
mer. 9/107:05 amBOS - LEX
1 stop5h 13mDelta
ven. 9/125:56 pmLEX - BOS
1 stop7h 22mDelta
Deal found 8/18$255
This Delta deal was found by Cheapflights users on 8/18. 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.
jeu. 9/45:15 amBOS - LEX
1 stop4h 29mDelta
sam. 9/610:19 amLEX - BOS
1 stop8h 12mDelta
Deal found 8/18$259
This Kiwi.com deal was found by Cheapflights users on 8/16. 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.
lun. 9/88:47 amBOS - LEX
2 stops32h 11mMultiple Airlines
dim. 9/2112:16 pmLEX - BOS
1 stop22h 57mMultiple Airlines
Deal found 8/16$268
This American Airlines deal was found by Cheapflights users on 8/17. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 10/225:24 amBOS - LEX
1 stop5h 18mAmerican Airlines
mar. 12/26:08 pmLEX - BOS
1 stop4h 48mAmerican Airlines
Deal found 8/17$274
This American Airlines deal was found by Cheapflights users on 8/17. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sam. 8/309:26 amBOS - LEX
1 stop6h 06mAmerican Airlines
dim. 8/314:04 pmLEX - BOS
1 stop6h 50mAmerican Airlines
Deal found 8/17$279
This Mytrip deal was found by Cheapflights users on 8/16. 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.
jeu. 10/26:10 amBOS - LEX
1 stop12h 25mMultiple Airlines
dim. 10/57:25 pmLEX - BOS
1 stop16h 01mMultiple Airlines
Deal found 8/16$290
This Kiwi.com deal was found by Cheapflights users on 8/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 10/96:11 amBOS - LEX
1 stop12h 34mMultiple Airlines
lun. 10/139:49 pmLEX - BOS
1 stop15h 55mMultiple Airlines
Deal found 8/17$294
This Kiwi.com deal was found by Cheapflights users on 8/18. 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.
jeu. 10/236:11 amBOS - LEX
1 stop12h 24mMultiple Airlines
dim. 10/264:19 pmLEX - BOS
1 stop18h 17mMultiple Airlines
Deal found 8/18$297

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 août 18, 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

mer. 9/3

6:05 am-11:26 am

1 stop29h 21m

Lexington Blue Grass

dim. 9/7

12:16 pm-11:57 pm

1 stop11h 41m

$202

BostonLexington

BOS - LEX

BOSLEX

Boston Logan Intl

lun. 9/15

5:40 am-9:44 am

1 stop4h 04m

Lexington Blue Grass

lun. 9/22

10:24 am-4:15 pm

1 stop5h 51m

$249

BostonLexington

BOS - LEX

BOSLEX

Boston Logan Intl

jeu. 10/30

10:35 am-4:51 pm

1 stop6h 16m

Lexington Blue Grass

mar. 11/4

6:51 pm-11:59 pm

1 stop5h 08m

$249

BostonLexington

BOS - LEX

BOSLEX

Boston Logan Intl

mer. 9/24

5:40 am-9:44 am

1 stop4h 04m

Lexington Blue Grass

lun. 9/29

3:42 pm-11:02 pm

1 stop7h 20m

$249

BostonLexington

BOS - LEX

BOSLEX

Boston Logan Intl

mar. 9/30

5:40 am-9:44 am

1 stop4h 04m

Lexington Blue Grass

sam. 10/4

6:15 pm-1:18 am

1 stop7h 03m

$249

BostonLexington

BOS - LEX

BOSLEX

Boston Logan Intl

sam. 9/6

10:10 am-2:55 pm

1 stop4h 45m

Lexington Blue Grass

lun. 9/8

7:10 pm-11:54 pm

1 stop4h 44m

$249

BostonLexington

BOS - LEX

BOSLEX

Boston Logan Intl

ven. 1/23

4:40 pm-9:39 pm

1 stop4h 59m

Lexington Blue Grass

dim. 1/25

7:00 am-12:23 pm

1 stop5h 23m

$249

BostonLexington

BOS - LEX

BOSLEX

Boston Logan Intl

mar. 9/9

8:20 am-2:55 pm

1 stop6h 35m

Lexington Blue Grass

dim. 9/21

7:53 pm-1:18 am

1 stop5h 25m

$249

BostonLexington

BOS - LEX

BOSLEX

Boston Logan Intl

lun. 11/24

10:17 am-5:35 pm

1 stop7h 18m

$100

BostonLexington

BOS - LEX

BOSLEX

Boston Logan Intl

mar. 12/2

4:40 pm-9:36 pm

1 stop4h 56m

$126

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/17

Showing 1-10 of 19 results
1
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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, August is the cheapest month in which you can book a flight from Boston to Lexington (average of $303). Flying from Boston to Lexington in April is currently the most expensive (average of $390). 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 août 18, 2025.

It’s typically best to fly out from Boston to Lexington at noon. Doing so could potentially save you 10% 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 août 18, 2025.
Read through reviews of airlines operating flights from Boston to Lexington, such as Delta and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,981 reviews

Crew

8.5

Food

7.3

Overall

8.0

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,981 reviews
Delta
8.0
Very good
7,981 reviews

Crew

8.5

Food

7.3

Overall

8.0

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,981 reviews

Crew

8.5

Food

7.3

Overall

8.0

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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 4h 04m. 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 Delta. Our recent data shows that you can find tickets from as low as $248 on this airline. An additional option worth looking into is American Airlines, starting at $304. Delta is 49% 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, August is the cheapest month in which you can book a flight from Boston to Lexington (average of $303). Flying from Boston to Lexington in April is currently the most expensive (average of $390). 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
Georgetown
Berea

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Top 2 airlines flying from Boston to Lexington

Discover the top 2 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 août 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$248Average$478FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$307Average$514FlexibilityNo cancel feeOn-time71%

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