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Lexington

$157+ 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 10/30. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — LEX
Sep 3 — Sep 101
Thu 9/3
Thu 9/10
1 adult, Economy
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Cheap 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 August 4, 2026.

This Delta deal was found by Cheapflights users on 8/3. 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 10/1510:00 am
BOS
-
LEX
1 stop4h 42m
Delta
Sat 10/245:52 pm
LEX
-
BOS
1 stop6h 07m
Delta
Deal found 8/3$319
This United Airlines deal was found by Cheapflights users on 7/31. 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.
Fri 8/285:01 pm
BOS
-
LEX
1 stop6h 54m
United Airlines
Tue 9/87:00 am
LEX
-
BOS
2 stops7h 50m
United Airlines
Deal found 7/31$324
This Delta deal was found by Cheapflights users on 7/31. 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 8/205:30 am
BOS
-
LEX
1 stop4h 41m
Delta
Sun 8/236:00 am
LEX
-
BOS
1 stop4h 41m
Delta
Deal found 7/31$334
This United Airlines deal was found by Cheapflights users on 8/2. 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.
Sat 9/57:30 am
BOS
-
LEX
2 stops10h 05m
United Airlines
Sun 9/61:51 pm
LEX
-
BOS
1 stop5h 28m
United Airlines
Deal found 8/2$336
This American Airlines deal was found by Cheapflights users on 7/30. 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.
Thu 9/244:29 pm
BOS
-
LEX
1 stop7h 17m
American Airlines
Sun 9/275:23 am
LEX
-
BOS
1 stop7h 06m
American Airlines
Deal found 7/30$339
This United Airlines deal was found by Cheapflights users on 7/30. 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 9/235:45 am
BOS
-
LEX
2 stops7h 32m
United Airlines
Mon 9/286:00 am
LEX
-
BOS
1 stop5h 01m
United Airlines
Deal found 7/30$344
This United Airlines deal was found by Cheapflights users on 8/1. 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.
Sat 8/157:05 am
BOS
-
LEX
1 stop6h 11m
United Airlines
Tue 8/181:58 pm
LEX
-
BOS
1 stop5h 21m
United Airlines
Deal found 8/1$349
This Delta deal was found by Cheapflights users on 7/30. 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 8/1310:00 am
BOS
-
LEX
1 stop5h 01m
Delta
Thu 8/275:56 pm
LEX
-
BOS
1 stop5h 45m
Delta
Deal found 7/30$354
This United Airlines deal was found by Cheapflights users on 7/30. 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.
Sat 8/157:05 am
BOS
-
LEX
1 stop6h 11m
United Airlines
Wed 8/261:58 pm
LEX
-
BOS
2 stops8h 01m
United Airlines
Deal found 7/30$357
This United Airlines deal was found by Cheapflights users on 8/1. 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.
Sat 8/225:45 am
BOS
-
LEX
2 stops7h 31m
United Airlines
Sun 8/239:52 am
LEX
-
BOS
1 stop7h 44m
United Airlines
Deal found 8/1$369
This Delta deal was found by Cheapflights users on 8/3. 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 10/165:39 am
BOS
-
LEX
1 stop4h 09m
Delta
Tue 10/2011:04 am
LEX
-
BOS
1 stop5h 25m
Delta
Deal found 8/3$379

Find 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 August 4, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$319
(Delta)

One-way from

$157
(Kiwi.com)

Popular in

August

Cheapest in

September

Average price

$503
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. 0% potential increase in price ($0 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2026
Search Deals

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 August 4, 2026.
Use the filters below to find and compare flights from Boston to Lexington that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BostonLexington

BOS - LEX

BOSLEX

Boston Logan Intl

Sat 8/29

5:30 am-10:11 am

1 stop4h 41m

Lexington Blue Grass

Wed 9/9

3:57 pm-9:25 pm

1 stop5h 28m

$319

BostonLexington

BOS - LEX

BOSLEX

Boston Logan Intl

Wed 8/26

10:00 am-3:01 pm

1 stop5h 01m

Lexington Blue Grass

Wed 9/9

6:00 am-11:08 am

1 stop5h 08m

$319

BostonLexington

BOS - LEX

BOSLEX

Boston Logan Intl

Wed 9/23

7:46 am-1:17 pm

1 stop5h 31m

Lexington Blue Grass

Sat 9/26

10:11 am-7:25 pm

2 stops9h 14m

$324

BostonLexington

BOS - LEX

BOSLEX

Boston Logan Intl

Thu 8/20

5:30 am-10:11 am

1 stop4h 41m

Lexington Blue Grass

Sun 8/23

3:50 pm-8:45 pm

1 stop4h 55m

$334

BostonLexington

BOS - LEX

BOSLEX

Boston Logan Intl

Fri 8/21

5:00 pm-11:15 pm

1 stop6h 15m

Lexington Blue Grass

Sun 8/23

3:50 pm-9:47 pm

1 stop5h 57m

$334

BostonLexington

BOS - LEX

BOSLEX

Boston Logan Intl

Thu 8/13

8:00 am-3:01 pm

1 stop7h 01m

Lexington Blue Grass

Tue 8/18

10:52 am-4:10 pm

1 stop5h 18m

$379
Quickest round-trip

BostonLexington

BOS - LEX

BOSLEX

Boston Logan Intl

Sat 9/12

1:10 pm-5:20 pm

1 stop4h 10m

Lexington Blue Grass

Sun 9/13

7:10 am-11:24 am

1 stop4h 14m

$379

BostonLexington

BOS - LEX

BOSLEX

Boston Logan Intl

Thu 12/31

6:00 am-1:13 pm

1 stop7h 13m

Lexington Blue Grass

Mon 1/4

5:50 pm-12:55 am

1 stop7h 05m

$399

BostonLexington

BOS - LEX

BOSLEX

Boston Logan Intl

Sat 9/26

6:00 am-8:28 pm

3 stops14h 28m

Lexington Blue Grass

Mon 9/28

6:05 pm-12:54 am

1 stop6h 49m

$409

BostonLexington

BOS - LEX

BOSLEX

Boston Logan Intl

Sat 12/19

4:40 pm-9:35 pm

1 stop4h 55m

Lexington Blue Grass

Tue 12/22

5:48 pm-11:34 pm

1 stop5h 46m

$415

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/30

Showing 1-10 of 22 resultsSorted by cheapest first
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 August.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice 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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Boston-Lexington flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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, September is the cheapest month in which you can book a flight from Boston to Lexington (average of $278). Flying from Boston to Lexington in August is currently the most expensive (average of $503). 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.

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

Airfare is below average for this route at the moment.

Boston to Lexington flights typically cost between $369 and $733 in August.
The cheapest round-trip price found within the last 5 days was $319 on Delta (Aug 27-Sep 10).

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 August 4, 2026.
Read through reviews of airlines operating flights from Boston to Lexington, such as Delta,United Airlines, andAmerican Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.8
Good
8,483 reviews

Entertainment

7.8

Food

7.2

Overall

7.8

Crew

8.5

Boarding

8.1

Comfort

7.8

Reviews

1 / 20
6.0
Good

Cidalia,Aug 2023

BOS - MIA

I like Delta overall but the delays lately without justification are not leaving a good impression. Both flights were delayed for over 2 hours
Delta
7.8
Good
8,483 reviews
Delta
7.8
Good
8,483 reviews

Entertainment

7.8

Food

7.2

Overall

7.8

Crew

8.5

Boarding

8.1

Comfort

7.8

Reviews

1 / 20
6.0
Good

Cidalia,Aug 2023

BOS - MIA

I like Delta overall but the delays lately without justification are not leaving a good impression. Both flights were delayed for over 2 hours
United Airlines
7.4
Good
10,059 reviews
Delta
7.8
Good
8,483 reviews

Entertainment

7.8

Food

7.2

Overall

7.8

Crew

8.5

Boarding

8.1

Comfort

7.8

Reviews

1 / 20
6.0
Good

Cidalia,Aug 2023

BOS - MIA

I like Delta overall but the delays lately without justification are not leaving a good impression. Both flights were delayed for over 2 hours
American Airlines
7.1
Good
11,845 reviews
Delta
7.8
Good
8,483 reviews

Entertainment

7.8

Food

7.2

Overall

7.8

Crew

8.5

Boarding

8.1

Comfort

7.8

Reviews

1 / 20
6.0
Good

Cidalia,Aug 2023

BOS - MIA

I like Delta overall but the delays lately without justification are not leaving a good impression. Both flights were delayed for over 2 hours

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 and United Airlines can get you from Boston to Lexington in just under 4h 41m. Your travel time can differ by up to 50m. Airlines will cover a distance of 776 mi. This flight may include one or multiple stops.

  • 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 United Airlines and Delta, starting at $248 and $248 round-trip. American Airlines is 38% cheaper than the average price of flights available within the next 90 days to this destination.

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

    The cheapest airlines for a one-way flight from Boston to Lexington are United Airlines ($124), Delta ($139), and American Airlines ($165).

  • 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, September is the cheapest month in which you can book a flight from Boston to Lexington (average of $278). Flying from Boston to Lexington in August is currently the most expensive (average of $503). 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
Somerset
Richmond
Danville
Berea
Georgetown
Frankfort

Browse thousands of different options on Cheapflights for your next trip

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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 August 4, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$248Average$459FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$248Average$422FlexibilityNo cancel feeOn-time71%
DeltaCheapest$248Average$366FlexibilityNo cancel feeOn-timeN/A

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