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$109+ 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 10/23. Fares are subject to change and may not be available on all flights or dates of travel.
LEX — BOS
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheapflights Tip: The best prices from Lexington Blue Grass to Boston Logan Intl are usually found in August or July, booked 60 days in advance, depart on a Monday or Saturday and return on a Saturday

Cheap 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 September 11, 2025.

Round-trip from

$249
(Delta)

One-way from

$109
(Kiwi.com)

Popular in

December

Cheapest in

August

Average price

$406
From Lexington Blue Grass to Boston Logan Intl
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One-way flight from Lexington Blue Grass to Boston Logan Intl
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Highest demand for flights based on searches. 9% potential increase in price ($44 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($11 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find 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 September 11, 2025.

This Delta deal was found by Cheapflights users on 9/11. 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 10/177:59 pmLEX - BOS
1 stop5h 14mDelta
Tue 10/215:34 amBOS - LEX
1 stop4h 11mDelta
Deal found 9/11$249
This United Airlines deal was found by Cheapflights users on 9/11. 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 9/277:33 pmLEX - BOS
1 stop5h 17mUnited Airlines
Tue 9/309:53 amBOS - LEX
1 stop5h 55mUnited Airlines
Deal found 9/11$259
This American Airlines deal was found by Cheapflights users on 9/10. 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.
Mon 11/35:59 pmLEX - BOS
1 stop4h 55mAmerican Airlines
Tue 11/410:55 amBOS - LEX
1 stop7h 33mAmerican Airlines
Deal found 9/10$265
This American Airlines deal was found by Cheapflights users on 9/9. 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 9/206:34 pmLEX - BOS
1 stop5h 19mAmerican Airlines
Sat 9/275:00 amBOS - LEX
1 stop5h 39mAmerican Airlines
Deal found 9/9$269
This Delta deal was found by Cheapflights users on 9/10. 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.
Wed 10/155:54 pmLEX - BOS
1 stop5h 55mDelta
Sat 10/185:34 amBOS - LEX
1 stop4h 11mDelta
Deal found 9/10$274
This American Airlines deal was found by Cheapflights users on 9/10. 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.
Fri 9/127:15 pmLEX - BOS
1 stop4h 29mAmerican Airlines
Mon 9/156:30 amBOS - LEX
1 stop5h 54mAmerican Airlines
Deal found 9/10$279
This Delta deal was found by Cheapflights users on 9/11. 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 9/205:48 pmLEX - BOS
1 stop5h 31mDelta
Sat 9/275:40 amBOS - LEX
1 stop4h 04mDelta
Deal found 9/11$284
This Delta deal was found by Cheapflights users on 9/11. 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.
Mon 11/177:59 pmLEX - BOS
1 stop5h 23mDelta
Tue 11/255:29 amBOS - LEX
1 stop4h 25mDelta
Deal found 9/11$294
This United Airlines deal was found by Cheapflights users on 9/10. 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 10/257:33 pmLEX - BOS
1 stop5h 17mUnited Airlines
Tue 10/281:30 pmBOS - LEX
2 stops10h 14mUnited Airlines
Deal found 9/10$307
This United Airlines deal was found by Cheapflights users on 9/10. 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 9/2610:37 amLEX - BOS
1 stop6h 25mUnited Airlines
Tue 9/3012:10 pmBOS - LEX
2 stops8h 51mUnited Airlines
Deal found 9/10$312
This American Airlines deal was found by Cheapflights users on 9/11. 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 10/236:00 amLEX - BOS
1 stop4h 14mAmerican Airlines
Sun 10/265:24 amBOS - LEX
1 stop5h 18mAmerican Airlines
Deal found 9/11$314

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 September 11, 2025.
Use the filters below to find and compare flights from Lexington to Boston that are best for you.

Fly from

Lexington

Fly to

Boston

Route

Depart

Return

Price

LexingtonBoston

LEX - BOS

LEXBOS

Lexington Blue Grass

Wed 10/22

7:33 pm-12:50 am

1 stop5h 17m

Boston Logan Intl

Sun 10/26

9:40 am-5:10 pm

1 stop7h 30m

$249

LexingtonBoston

LEX - BOS

LEXBOS

Lexington Blue Grass

Tue 10/7

5:57 pm-1:13 am

1 stop7h 16m

Boston Logan Intl

Tue 10/14

5:34 am-9:45 am

1 stop4h 11m

$249

LexingtonBoston

LEX - BOS

LEXBOS

Lexington Blue Grass

Sat 11/1

2:58 pm-9:18 pm

1 stop6h 20m

Boston Logan Intl

Mon 11/3

8:30 am-3:27 pm

1 stop6h 57m

$249

LexingtonBoston

LEX - BOS

LEXBOS

Lexington Blue Grass

Sat 10/11

5:48 pm-11:49 pm

1 stop6h 01m

Boston Logan Intl

Wed 10/22

5:34 am-9:45 am

1 stop4h 11m

$249

LexingtonBoston

LEX - BOS

LEXBOS

Lexington Blue Grass

Sat 10/25

10:37 am-5:02 pm

1 stop6h 25m

Boston Logan Intl

Tue 10/28

6:00 am-1:17 pm

1 stop7h 17m

$249

LexingtonBoston

LEX - BOS

LEXBOS

Lexington Blue Grass

Fri 10/17

7:59 pm-1:13 am

1 stop5h 14m

Boston Logan Intl

Tue 10/21

5:34 am-9:45 am

1 stop4h 11m

$249

LexingtonBoston

LEX - BOS

LEXBOS

Lexington Blue Grass

Sat 10/11

5:48 pm-11:49 pm

1 stop6h 01m

Boston Logan Intl

Tue 10/21

5:34 am-9:45 am

1 stop4h 11m

$249

LexingtonBoston

LEX - BOS

LEXBOS

Lexington Blue Grass

Wed 11/12

7:00 am-12:23 pm

1 stop5h 23m

Boston Logan Intl

Sat 11/15

6:25 pm-11:56 pm

1 stop5h 31m

$249

LexingtonBoston

LEX - BOS

LEXBOS

Lexington Blue Grass

Tue 10/14

5:57 pm-1:13 am

1 stop7h 16m

Boston Logan Intl

Tue 10/21

5:34 am-9:45 am

1 stop4h 11m

$249

LexingtonBoston

LEX - BOS

LEXBOS

Lexington Blue Grass

Thu 1/29

7:00 am-12:23 pm

1 stop5h 23m

Boston Logan Intl

Sun 2/1

5:30 am-10:25 am

1 stop4h 55m

$249

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Showing 1-10 of 20 results
1
2

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?

Use this chart to determine the optimal time to book a round-trip flight from Lexington to Boston. Price data was last updated on August 29, 2025.

To ensure you get the cheapest price possible for a flight from Lexington to Boston, you should look to book at least 60 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, January is the cheapest month in which you can book a flight from Lexington to Boston (average of $218). Flying from Lexington to Boston in July is currently the most expensive (average of $311). 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 LEX to BOS?

Find hourly flight availability from Lexington to Boston. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 11, 2025.

A simple way to save on the total cost of your ticket is to fly from Lexington to Boston in the morning. If you’re flexible enough to do this you can expect to save up to 13% on your trip compared to booking a flight in the evening.

What is the cheapest day to fly from Lexington to Boston?

Use this chart to determine the cheapest time to fly round-trip from Lexington to Boston. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Lexington to Boston flight should consider departing on Thursday at noon when fares are most often at their lowest. Sunday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

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 September 11, 2025.
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
8.0
Very good
7,960 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

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
7,960 reviews
Delta
8.0
Very good
7,960 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

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
7,960 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

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 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 17m. 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 $166, 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 $248. Delta is 61% cheaper than the average price of flights available within the next 90 days to this destination.

  • 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, January is the cheapest month in which you can book a flight from Lexington to Boston (average of $218). Flying from Lexington to Boston in July is currently the most expensive (average of $311). 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
Cambridge
Medford
Hampton Beach
Watertown
Seabrook
Seekonk
Lincoln
Lowell
Smithfield
Cranston
Chestnut Hill
Chelsea
Warwick
Peabody
Quincy
York Beach
Swansea
Waltham
Saugus
Burlington

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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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$166Average$343FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$248Average$403FlexibilityNo cancel feeOn-time71%

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