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$152+ Cheap flights from Lexington to Boston (LEX - 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 8/7. Fares are subject to change and may not be available on all flights or dates of travel.
LEX — BOS
Aug 27 — Sep 31
Thu 8/27
Thu 9/3
1 adult, Economy
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Cheap flight deals from Lexington to Boston

Cheapest flights from Lexington to Boston
Explore the most affordable flight options available from Lexington to Boston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 28, 2026.

This American Airlines deal was found by Cheapflights users on 7/26. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/291:15 pm
LEX
-
BOS
Nonstop2h 20m
American Airlines
Sun 11/111:08 am
BOS
-
LEX
1 stop4h 25m
American Airlines
Deal found 7/26$309
This Delta deal was found by Cheapflights users on 7/27. 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 8/226:12 pm
LEX
-
BOS
1 stop5h 47m
Delta
Tue 8/256:00 pm
BOS
-
LEX
1 stop5h 59m
Delta
Deal found 7/27$319
This American Airlines deal was found by Cheapflights users on 7/26. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/237:48 am
LEX
-
BOS
1 stop4h 26m
American Airlines
Sun 8/3011:02 am
BOS
-
LEX
1 stop5h 22m
American Airlines
Deal found 7/26$320
This United Airlines deal was found by Cheapflights users on 7/24. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/219:52 am
LEX
-
BOS
1 stop6h 35m
United Airlines
Fri 8/283:30 pm
BOS
-
LEX
2 stops8h 25m
United Airlines
Deal found 7/24$324
This Delta deal was found by Cheapflights users on 7/24. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/113:57 pm
LEX
-
BOS
1 stop5h 34m
Delta
Mon 9/145:30 am
BOS
-
LEX
1 stop6h 14m
Delta
Deal found 7/24$329
This United Airlines deal was found by Cheapflights users on 7/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/248:50 am
LEX
-
BOS
1 stop7h 31m
United Airlines
Thu 10/296:36 pm
BOS
-
LEX
1 stop5h 13m
United Airlines
Deal found 7/26$330
This Delta deal was found by Cheapflights users on 7/23. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/63:50 pm
LEX
-
BOS
1 stop6h 43m
Delta
Tue 8/185:30 am
BOS
-
LEX
1 stop4h 41m
Delta
Deal found 7/23$334
This Kiwi.com deal was found by Cheapflights users on 7/25. 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.
Tue 10/1311:20 am
LEX
-
BOS
1 stop22h 49m
Multiple Airlines
Fri 10/1611:01 am
BOS
-
LEX
1 stop9h 36m
Multiple Airlines
Deal found 7/25$337
This United Airlines deal was found by Cheapflights users on 7/23. 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.
Wed 8/127:00 am
LEX
-
BOS
2 stops7h 22m
United Airlines
Sat 8/156:42 pm
BOS
-
LEX
1 stop5h 13m
United Airlines
Deal found 7/23$339
This Kiwi.com deal was found by Cheapflights users on 7/25. 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.
Mon 10/124:34 pm
LEX
-
BOS
1 stop17h 35m
Multiple Airlines
Fri 10/1611:01 am
BOS
-
LEX
1 stop9h 36m
Multiple Airlines
Deal found 7/25$343
This Kiwi.com deal was found by Cheapflights users on 7/25. 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.
Tue 10/1311:20 am
LEX
-
BOS
1 stop22h 49m
Multiple Airlines
Thu 10/1512:34 pm
BOS
-
LEX
1 stop7h 47m
Multiple Airlines
Deal found 7/25$344

Find flight deals from Lexington to Boston

Discover tips and strategies to find the most affordable flight options for your journey from Lexington (LEX) to Boston (BOS). 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 July 28, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$309
(American Airlines)

One-way from

$152
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$328
Provider with most accurate pricing for Lexington Blue Grass-Boston Logan Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Lexington Blue Grass-Boston Logan Intl flights.
Search Deals
From Lexington Blue Grass to Boston Logan Intl
Search Deals
One-way flight from Lexington Blue Grass to Boston Logan Intl
Search Deals
Highest demand for flights based on searches. 3% potential increase in price ($13 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 July 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Lexington 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 July 28, 2026.
Use the filters below to find and compare flights from Lexington to Boston that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LexingtonBoston

LEX - BOS

LEXBOS

Lexington Blue Grass

Fri 9/4

3:50 pm-9:47 pm

1 stop5h 57m

Boston Logan Intl

Wed 9/9

9:00 am-2:34 pm

1 stop5h 34m

$319

LexingtonBoston

LEX - BOS

LEXBOS

Lexington Blue Grass

Mon 8/31

5:00 pm-10:25 pm

1 stop5h 25m

Boston Logan Intl

Thu 10/1

6:55 am-11:44 am

1 stop4h 49m

$319
Quickest round-trip

LexingtonBoston

LEX - BOS

LEXBOS

Lexington Blue Grass

Fri 9/11

3:57 pm-8:26 pm

1 stop4h 29m

Boston Logan Intl

Sun 9/13

5:30 am-10:50 am

1 stop5h 20m

$329

LexingtonBoston

LEX - BOS

LEXBOS

Lexington Blue Grass

Fri 8/7

5:56 pm-1:25 am

1 stop7h 29m

Boston Logan Intl

Sun 8/16

5:30 am-12:11 pm

1 stop6h 41m

$334

LexingtonBoston

LEX - BOS

LEXBOS

Lexington Blue Grass

Sat 10/24

10:11 am-7:07 pm

2 stops8h 56m

Boston Logan Intl

Thu 10/29

6:36 pm-11:49 pm

1 stop5h 13m

$335

LexingtonBoston

LEX - BOS

LEXBOS

Lexington Blue Grass

Thu 8/20

7:00 am-2:22 pm

2 stops7h 22m

Boston Logan Intl

Sat 8/22

5:01 pm-11:55 pm

1 stop6h 54m

$403

LexingtonBoston

LEX - BOS

LEXBOS

Lexington Blue Grass

Sat 8/22

9:52 am-4:27 pm

1 stop6h 35m

Boston Logan Intl

Sun 8/30

5:45 am-1:16 pm

2 stops7h 31m

$404

LexingtonBoston

LEX - BOS

LEXBOS

Lexington Blue Grass

Wed 11/4

11:05 am-6:34 pm

2 stops7h 29m

Boston Logan Intl

Sat 11/7

6:36 pm-11:49 pm

1 stop5h 13m

$404

LexingtonBoston

LEX - BOS

LEXBOS

Lexington Blue Grass

Sat 12/12

6:00 am-12:47 pm

1 stop6h 47m

Boston Logan Intl

Tue 12/15

6:00 am-6:37 pm

3 stops12h 37m

$409
Cheapest one-way
Quickest one-way

LexingtonBoston

LEX - BOS

LEXBOS

Lexington Blue Grass

Sun 10/4

7:10 am-11:24 am

1 stop4h 14m

$274

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/26

Showing 1-10 of 19 resultsSorted by cheapest first
1
2

Compare providers for flights from Lexington to Boston

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 Lexington to Boston in July.
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 Lexington-Boston flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Lexington-Boston flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Lexington-Boston flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Lexington-Boston 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 Lexington-Boston 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 Lexington to Boston

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

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

To ensure you get the cheapest price possible for a flight from Lexington to Boston, you should look to book at least 23 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, February is the cheapest month in which you can book a flight from Lexington to Boston (average of $310). Flying from Lexington to Boston in June is currently the most expensive (average of $486). 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 Lexington to Boston?

Airfare is typical for this route at the moment.

Lexington to Boston flights typically cost between $303 and $405 in October.
The cheapest round-trip price found within the last 5 days was $309 on American Airlines (Oct 29-Nov 1).

Reviews of airlines servicing Boston

Get insights into the airlines that provide service to Boston. 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 Boston. Reviews last updated July 28, 2026.
Read through reviews of airlines operating flights from Lexington to Boston, such as Delta and American Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.8
Good
8,482 reviews

Comfort

7.8

Boarding

8.1

Entertainment

7.8

Overall

7.8

Food

7.2

Crew

8.5

Reviews

1 / 20
6.0
Good

Colin,Sep 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good
Delta
7.8
Good
8,482 reviews
Delta
7.8
Good
8,482 reviews

Comfort

7.8

Boarding

8.1

Entertainment

7.8

Overall

7.8

Food

7.2

Crew

8.5

Reviews

1 / 20
6.0
Good

Colin,Sep 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good
American Airlines
7.1
Good
11,839 reviews
Delta
7.8
Good
8,482 reviews

Comfort

7.8

Boarding

8.1

Entertainment

7.8

Overall

7.8

Food

7.2

Crew

8.5

Reviews

1 / 20
6.0
Good

Colin,Sep 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good

Related info for your journey

Find useful and relevant information for your journey from Lexington to Boston. 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 Lexington to Boston?

    Departing from Lexington to Boston will take you 5h 57m. Lexington and Boston are separated by a distance of 776 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    Currently priced at $139, Delta will fly you from Lexington to Boston and back. In addition to Delta, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on American Airlines for as low as $204. Delta is 63% cheaper than the average price of flights available within the next 90 days to this destination.

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

    The cheapest airline one-way is United Airlines, with whom users have recently found tickets for as low as $99. However, be on the lookout for offers from Delta and American Airlines, as they are both options that can get you from Lexington to Boston for a low price.

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

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

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

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

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

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

    Currently, February is the cheapest month in which you can book a flight from Lexington to Boston (average of $310). Flying from Lexington to Boston in June is currently the most expensive (average of $486). 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
Randolph
Brockton
Seekonk
Hampton Beach
Cranston
Warwick
Peabody
Dedham
Auburn
York Beach
Chelsea
Londonderry
Swansea
Fitchburg
North Falmouth
Braintree
Revere

Browse thousands of different options on Cheapflights for your next trip

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Top 2 airlines flying from Lexington to Boston

Discover the top 2 airlines that operate flights from Lexington 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 July 28, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$139Average$367FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$204Average$363FlexibilityNo cancel feeOn-time71%

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