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$120+ 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 5/14. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — LEX
May 6 — May 131
Tue 5/6
Tue 5/13
1 adult, Economy
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Cheapflights Tip: The best prices from Boston Logan Intl to Lexington Blue Grass are usually found in September or August, booked 90 days in advance, depart on a Saturday or Wednesday and return on a Monday

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 May 1, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$211
(Mytrip)

One-way from

$179
(Delta)

Popular in

December

Cheapest in

September

Average price

$532
Provider with most accurate pricing for Boston Logan Intl-Lexington Blue Grass flight deals.
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Provider most trusted by Cheapflights users for Boston Logan Intl-Lexington Blue Grass flights.
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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. 7% potential increase in price ($45 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($18 potential savings vs. average RT price).
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Average for round-trip flights in May 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 May 1, 2025.

This Mytrip deal was found by Cheapflights users on 4/30. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/255:45 amBOS - LEX
1 stop8h 40mMultiple Airlines
Tue 6/312:19 pmLEX - BOS
1 stop11h 10mMultiple Airlines
Deal found 4/30$211
This Mytrip deal was found by Cheapflights users on 4/30. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/268:59 amBOS - LEX
2 stops23h 59mAllegiant Air
Sun 9/288:57 pmLEX - BOS
1 stop13h 41mAllegiant Air
Deal found 4/30$337
This American Airlines deal was found by Cheapflights users on 4/30. 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.
Sat 5/105:15 amBOS - LEX
1 stop12h 21mAmerican Airlines
Tue 5/1311:00 amLEX - BOS
1 stop9h 01mAmerican Airlines
Deal found 4/30$355
This Delta deal was found by Cheapflights users on 4/30. 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.
Tue 6/175:10 amBOS - LEX
1 stop4h 40mDelta
Wed 6/186:45 amLEX - BOS
1 stop5h 34mDelta
Deal found 4/30$357
This United Airlines deal was found by Cheapflights users on 4/30. 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 7/99:03 amBOS - LEX
1 stop11h 18mUnited Airlines
Sat 7/127:00 amLEX - BOS
2 stops9h 29mUnited Airlines
Deal found 4/30$431

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 May 1, 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

Sun 5/25

5:45 am-2:25 pm

1 stop8h 40m

Lexington Blue Grass

Tue 6/3

12:19 pm-11:29 pm

1 stop11h 10m

$211

BostonLexington

BOS - LEX

BOSLEX

Boston Logan Intl

Sat 5/10

5:15 am-5:36 pm

1 stop12h 21m

Lexington Blue Grass

Tue 5/13

11:00 am-8:01 pm

1 stop9h 01m

$355

BostonLexington

BOS - LEX

BOSLEX

Boston Logan Intl

Tue 6/17

5:10 am-9:50 am

1 stop4h 40m

Lexington Blue Grass

Wed 6/18

6:45 am-12:19 pm

1 stop5h 34m

$357

BostonLexington

BOS - LEX

BOSLEX

Boston Logan Intl

Wed 7/9

9:03 am-8:21 pm

1 stop11h 18m

Lexington Blue Grass

Sat 7/12

7:00 am-4:29 pm

2 stops9h 29m

$431

BostonLexington

BOS - LEX

BOSLEX

Boston Logan Intl

Thu 5/8

11:25 am-8:08 pm

2 stops32h 43m

Lexington Blue Grass

Sun 5/11

6:00 pm-10:12 am

1 stop16h 12m

$434

BostonLexington

BOS - LEX

BOSLEX

Boston Logan Intl

Wed 5/14

3:49 pm-3:57 pm

1 stop24h 08m

$120

BostonLexington

BOS - LEX

BOSLEX

Boston Logan Intl

Sat 5/24

5:20 am-9:44 am

1 stop4h 24m

$179

BostonLexington

BOS - LEX

BOSLEX

Boston Logan Intl

Sat 5/24

4:47 pm-10:12 pm

2 stops29h 25m

$309

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

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 May.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars
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 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 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

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

Use this chart to determine the optimal time to book a round-trip flight from Boston to Lexington. Price data was last updated on April 25, 2025.

The best time to book flights from Boston to Lexington is 89 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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 May is currently the most expensive (average of $398). 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 May 1, 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.

Rainfall in Lexington by month

Plan your trip to Lexington by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Lexington ranges from 2.9 - 5.3 inches per month. May is typically the wettest month, when rainfall can reach 5.3 in. September is typically the driest time to visit Lexington when rainfall is around 2.9 in.

Temperature in Lexington by month

Plan your trip to Lexington by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Lexington, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 77.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 33.8 F).

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 May 1, 2025.
Get a feel of what it's like to fly with Delta, United Airlines and Allegiant Air from Boston to Lexington by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,934 reviews

Entertainment

7.9

Food

7.3

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,934 reviews
Delta
8.0
Very good
7,934 reviews

Entertainment

7.9

Food

7.3

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
United Airlines
7.4
Good
8,696 reviews
Delta
8.0
Very good
7,934 reviews

Entertainment

7.9

Food

7.3

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Allegiant Air
7.3
Good
734 reviews
Delta
8.0
Very good
7,934 reviews

Entertainment

7.9

Food

7.3

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,934 reviews

Entertainment

7.9

Food

7.3

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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.

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

    Our cheapest airline available from Boston to Lexington is Allegiant Air. Our recent data shows that you can find tickets from as low as $337 on this airline. Additional options worth looking into are American Airlines and Delta, starting at $355 and $357 round-trip. Allegiant Air is 37% 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 Delta ($179), United Airlines ($294), and American Airlines ($339).

  • 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 May is currently the most expensive (average of $398). 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
Georgetown
Berea
Danville
Richmond

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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 May 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$236Average$501FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$305Average$557FlexibilityNo cancel feeOn-time71%

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