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Lexington

$125+ 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 8/6. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — LEX
Jul 8 — Jul 151
Tue 7/8
Tue 7/15
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 July 3, 2025.

Round-trip from

$189
(Mytrip)

One-way from

$125
(Delta)

Popular in

December

Cheapest in

August

Average price

$425
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. 13% potential increase in price ($76 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($20 potential savings vs. average RT price).
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Average for round-trip flights in July 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 July 3, 2025.

This Mytrip deal was found by Cheapflights users on 7/3. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/48:39 pmBOS - LEX
1 stop14h 44mMultiple Airlines
Thu 8/710:00 amLEX - BOS
1 stop11h 42mMultiple Airlines
Deal found 7/3$189
This Delta deal was found by Cheapflights users on 7/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/34:00 pmBOS - LEX
1 stop7h 01mDelta
Tue 7/86:49 pmLEX - BOS
1 stop6h 50mDelta
Deal found 7/1$249
This United Airlines deal was found by Cheapflights users on 7/3. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/125:30 amBOS - LEX
2 stops7h 51mUnited Airlines
Sat 8/165:44 pmLEX - BOS
1 stop5h 28mUnited Airlines
Deal found 7/3$254
This American Airlines deal was found by Cheapflights users on 7/2. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/39:45 amBOS - LEX
1 stop5h 06mAmerican Airlines
Sun 7/65:00 amLEX - BOS
1 stop4h 45mAmerican Airlines
Deal found 7/2$274
This Mytrip deal was found by Cheapflights users on 7/3. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/1912:51 pmBOS - LEX
1 stop8h 59mAllegiant Air
Mon 7/213:00 pmLEX - BOS
2 stops18h 15mAllegiant Air
Deal found 7/3$373

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 July 3, 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

Mon 8/4

8:39 pm-11:23 am

1 stop14h 44m

Lexington Blue Grass

Thu 8/7

10:00 am-9:42 pm

1 stop11h 42m

$189

BostonLexington

BOS - LEX

BOSLEX

Boston Logan Intl

Tue 7/15

5:15 am-9:44 am

1 stop4h 29m

Lexington Blue Grass

Wed 7/16

5:50 pm-11:53 pm

1 stop6h 03m

$249

BostonLexington

BOS - LEX

BOSLEX

Boston Logan Intl

Tue 8/12

5:30 am-1:21 pm

2 stops7h 51m

Lexington Blue Grass

Sat 8/16

5:44 pm-11:12 pm

1 stop5h 28m

$254

BostonLexington

BOS - LEX

BOSLEX

Boston Logan Intl

Sat 7/26

11:04 am-5:29 pm

1 stop6h 25m

Lexington Blue Grass

Mon 7/28

6:06 pm-10:46 pm

1 stop4h 40m

$317

BostonLexington

BOS - LEX

BOSLEX

Boston Logan Intl

Sat 7/19

12:51 pm-9:50 pm

1 stop8h 59m

Lexington Blue Grass

Mon 7/21

3:00 pm-9:15 am

2 stops18h 15m

$373

BostonLexington

BOS - LEX

BOSLEX

Boston Logan Intl

Wed 8/6

5:15 am-9:44 am

1 stop4h 29m

$125

BostonLexington

BOS - LEX

BOSLEX

Boston Logan Intl

Tue 9/16

1:00 pm-8:48 pm

2 stops7h 48m

$131

BostonLexington

BOS - LEX

BOSLEX

Boston Logan Intl

Wed 8/6

8:35 pm-8:06 pm

2 stops23h 31m

$144

BostonLexington

BOS - LEX

BOSLEX

Boston Logan Intl

Mon 8/4

10:04 am-2:35 pm

1 stop4h 31m

$160

BostonLexington

BOS - LEX

BOSLEX

Boston Logan Intl

Fri 7/18

9:01 am-7:54 am

2 stops22h 53m

$172

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/3

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 July 3, 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 July 3, 2025.
Read through reviews of airlines operating flights from Boston to Lexington, such as Delta, United Airlines, and Allegiant Air. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,982 reviews

Comfort

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

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
7,982 reviews
Delta
8.0
Very good
7,982 reviews

Comfort

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

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!
United Airlines
7.4
Good
8,861 reviews
Delta
8.0
Very good
7,982 reviews

Comfort

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

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!
Allegiant Air
7.3
Good
708 reviews
Delta
8.0
Very good
7,982 reviews

Comfort

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

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
7,982 reviews

Comfort

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

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.

  • 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 $249 on this airline. Additional options worth looking into are United Airlines and American Airlines, starting at $254 and $317 round-trip. Delta is 50% 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 ($125), United Airlines ($131), and American Airlines ($160).

  • 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 Boston?

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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 July 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$248Average$469FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$333Average$525FlexibilityNo cancel feeOn-time71%

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