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Cheap flights from Lexington to Boston from $122

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Lexington to Boston departing on 9/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Lexington to Boston (LEX-BOS)

Cheap round-trip flights

American Airlines Logo
11:33 am - 4:04 pmLEX-BOS
4h 31m1 stop
American Airlines Logo
11:05 am - 3:32 pmBOS-LEX
4h 27m1 stop
$229American Airlines
Find Deal
Wed, Aug 27 - Sat, Aug 30
Delta Logo
7:53 pm - 1:18 amLEX-BOS
5h 25m1 stop
Delta Logo
5:40 am - 9:44 amBOS-LEX
4h 04m1 stop
$249Delta
Find Deal
Fri, Sep 12 - Sun, Sep 14
Delta Logo
6:45 am - 1:20 pmLEX-BOS
6h 35m1 stop
Delta Logo
10:10 am - 2:55 pmBOS-LEX
4h 45m1 stop
$251Delta
Find Deal
Tue, Sep 9 - Wed, Sep 10
Delta Logo
10:19 am - 4:53 pmLEX-BOS
6h 34m1 stop
Delta Logo
5:15 am - 9:44 amBOS-LEX
4h 29m1 stop
$254Delta
Find Deal
Wed, Sep 3 - Sat, Sep 6
American Airlines Logo
7:18 pm - 12:16 amLEX-BOS
4h 58m1 stop
American Airlines Logo
10:17 am - 5:35 pmBOS-LEX
7h 18m1 stop
$259American Airlines
Find Deal
Mon, Nov 3 - Thu, Nov 6
United Airlines Logo
7:33 pm - 12:50 amLEX-BOS
5h 17m1 stop
United Airlines Logo
2:36 pm - 11:59 pmBOS-LEX
9h 23m2 stops
$270United Airlines
Find Deal
Thu, Oct 16 - Wed, Oct 22
Logo
4:19 pm - 10:36 amLEX-BOS
18h 17m1 stop
Logo
3:00 pm - 6:35 pmBOS-LEX
27h 35m1 stop
$271
Find Deal
Thu, Oct 16 - Wed, Oct 22
American Airlines Logo
6:00 am - 10:14 amLEX-BOS
4h 14m1 stop
American Airlines Logo
6:00 am - 10:33 amBOS-LEX
4h 33m1 stop
$274American Airlines
Find Deal
Thu, Oct 23 - Sun, Oct 26
American Airlines Logo
7:15 pm - 11:44 pmLEX-BOS
4h 29m1 stop
American Airlines Logo
5:36 pm - 11:10 pmBOS-LEX
5h 34m1 stop
$304American Airlines
Find Deal
Fri, Sep 19 - Tue, Sep 23
United Airlines Logo
11:10 am - 6:55 pmLEX-BOS
7h 45m2 stops
United Airlines Logo
3:20 pm - 8:48 pmBOS-LEX
5h 28m1 stop
$306United Airlines
Find Deal
Sat, Sep 13 - Sat, Sep 20

American Airlines flights from Lexington to Boston

Our best American Airlines deals on Lexington to Boston flight tickets
American Airlines
Aug 27
LEX11:33 amLexington Blue Grass
4h 31m
1 stop
BOS4:04 pmBoston Logan Intl
Aug 30
BOS11:05 amBoston Logan Intl
4h 27m
1 stop
LEX3:32 pmLexington Blue Grass
$229
Find similar
American Airlines
Nov 3
LEX7:18 pmLexington Blue Grass
4h 58m
1 stop
BOS12:16 amBoston Logan Intl
Nov 6
BOS10:17 amBoston Logan Intl
7h 18m
1 stop
LEX5:35 pmLexington Blue Grass
$259
Find similar
American Airlines
Oct 23
LEX6:00 amLexington Blue Grass
4h 14m
1 stop
BOS10:14 amBoston Logan Intl
Oct 26
BOS6:00 amBoston Logan Intl
4h 33m
1 stop
LEX10:33 amLexington Blue Grass
$274
Find similar

Delta flights from Lexington to Boston

Our best Delta deals on Lexington to Boston flight tickets
Delta
Sep 12
LEX7:53 pmLexington Blue Grass
5h 25m
1 stop
BOS1:18 amBoston Logan Intl
Sep 14
BOS5:40 amBoston Logan Intl
4h 04m
1 stop
LEX9:44 amLexington Blue Grass
$249
Find similar
Delta
Sep 9
LEX6:45 amLexington Blue Grass
6h 35m
1 stop
BOS1:20 pmBoston Logan Intl
Sep 10
BOS10:10 amBoston Logan Intl
4h 45m
1 stop
LEX2:55 pmLexington Blue Grass
$251
Find similar
Delta
Sep 3
LEX10:19 amLexington Blue Grass
6h 34m
1 stop
BOS4:53 pmBoston Logan Intl
Sep 6
BOS5:15 amBoston Logan Intl
4h 29m
1 stop
LEX9:44 amLexington Blue Grass
$254
Find similar

momondo 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, momondo users made 832,500 searches. Data last updated August 18, 2025.
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

LexingtonBoston

LEX - BOS

LEXBOS

Lexington Blue Grass

Wed 8/27

11:33 am-4:04 pm

1 stop4h 31m

Boston Logan Intl

Sat 8/30

11:05 am-3:32 pm

1 stop4h 27m

$229

LexingtonBoston

LEX - BOS

LEXBOS

Lexington Blue Grass

Fri 9/12

7:53 pm-1:18 am

1 stop5h 25m

Boston Logan Intl

Sun 9/14

5:40 am-9:44 am

1 stop4h 04m

$249

LexingtonBoston

LEX - BOS

LEXBOS

Lexington Blue Grass

Tue 9/9

6:45 am-1:20 pm

1 stop6h 35m

Boston Logan Intl

Wed 9/10

10:10 am-2:55 pm

1 stop4h 45m

$251

LexingtonBoston

LEX - BOS

LEXBOS

Lexington Blue Grass

Wed 9/3

10:19 am-4:53 pm

1 stop6h 34m

Boston Logan Intl

Sat 9/6

5:15 am-9:44 am

1 stop4h 29m

$254

LexingtonBoston

LEX - BOS

LEXBOS

Lexington Blue Grass

Mon 11/3

7:18 pm-12:16 am

1 stop4h 58m

Boston Logan Intl

Thu 11/6

10:17 am-5:35 pm

1 stop7h 18m

$259

LexingtonBoston

LEX - BOS

LEXBOS

Lexington Blue Grass

Thu 10/16

7:33 pm-12:50 am

1 stop5h 17m

Boston Logan Intl

Wed 10/22

2:36 pm-11:59 pm

2 stops9h 23m

$270

LexingtonBoston

LEX - BOS

LEXBOS

Lexington Blue Grass

Thu 10/16

4:19 pm-10:36 am

1 stop18h 17m

Boston Logan Intl

Wed 10/22

3:00 pm-6:35 pm

1 stop27h 35m

$271

LexingtonBoston

LEX - BOS

LEXBOS

Lexington Blue Grass

Thu 10/23

6:00 am-10:14 am

1 stop4h 14m

Boston Logan Intl

Sun 10/26

6:00 am-10:33 am

1 stop4h 33m

$274

LexingtonBoston

LEX - BOS

LEXBOS

Lexington Blue Grass

Fri 9/19

7:15 pm-11:44 pm

1 stop4h 29m

Boston Logan Intl

Tue 9/23

5:36 pm-11:10 pm

1 stop5h 34m

$304

LexingtonBoston

LEX - BOS

LEXBOS

Lexington Blue Grass

Sat 9/13

11:10 am-6:55 pm

2 stops7h 45m

Boston Logan Intl

Sat 9/20

3:20 pm-8:48 pm

1 stop5h 28m

$306

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Lexington to Boston

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Boston?

In general, August is the cheapest month to fly from Lexington to Boston. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $303. If you aren’t able to travel during the month of August, then book flights to Boston from Lexington during July instead. Flights to Boston in July, while not as cheap as those in August, still average around $368.

What is the cheapest day to depart on your flight to Boston?

The cheapest day to depart from Lexington to Boston is on a Monday when prices can be found for as low as $405. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to Boston on Sunday is $623.

What is the cheapest time of day to depart on your flight to Boston?

According to our data, the cheapest time of day to fly to Boston is in the morning. momondo users have found flights departing from Lexington to Boston in the morning for as low as $440. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In the evening is when there is more demand to fly to Boston, so prices are often more expensive at around $502 per ticket.

How far in advance should I book a flight to Boston?

You are more likely to see cheaper flights to Boston from Lexington when booking weeks ahead of your departure date. In general, you can expect to find flights to Boston for around $436 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Boston from Lexington for as low as $248 on momondo.

How have Lexington to Boston flight prices changed over time?

When to book flights from Lexington to Boston

Are you open to changing your travel dates? Check out the ideal times to fly from Lexington to Boston according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Lexington to Boston (LEX to BOS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Lexington to Boston

Best Price Found

$122

Fastest flight time

4h 11m

Direct flights

None

Airports in Boston

1 airport
The best one-way flight to Boston from Lexington in the past 72 hours is $122. The best round-trip flight deal from Lexington to Boston found on momondo in the last 72 hours is $229.
The fastest flight from Lexington to Boston takes 4h 11m
There are no direct flights from Lexington to Boston. Popular non-direct route for this connection is Lexington Blue Grass Airport - Boston Logan Intl Airport.
There is 1 airport near Boston: Boston Logan Intl (BOS)
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  • How far is Lexington Blue Grass to Boston Logan Intl by plane?

    The straight-line distance from Lexington Blue Grass to Boston Logan Intl is 768.1 mi. Flights usually cover this in 4h 14m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Lexington Blue Grass Airport to Boston Logan Intl Airport?

    Prices for flights from Lexington Blue Grass Airport to Boston Logan Intl Airport are updated daily.

  • How many operators does momondo search for flights from Lexington Blue Grass Airport to Boston Logan Intl Airport?

  • How old do you have to be to fly from Lexington Blue Grass Airport to Boston Logan Intl Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Lexington Blue Grass Airport to Boston Logan Intl Airport.

  • What documentation or ID do you need to fly to Boston Logan Intl Airport?

    The required travel and health documents for your Boston Logan Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Boston Logan Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from Lexington to Boston?

Best airlines flying from Lexington to Boston

Compare and see reviews for airlines that fly from Lexington to Boston with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $166Free CancellationRating
8.0
7,981 reviews
Search Delta flights
American AirlinesPriceFrom $248Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights

Traveling to a place near Boston?

Book flights to Boston if you plan to visit one of these locations
Hampton Beach
Salem
Ogunquit
Hampton
Old Orchard Beach
York Beach
Plymouth
Kennebunkport
Nashua
Cambridge
Narragansett
Laconia
South Yarmouth
Brockton
Gloucester
Concord
Everett
Falmouth
Wells
Sturbridge

Why use momondo?

Why should I use momondo to find a flight deal from Lexington to Boston?

It is quick and easy to find Lexington to Boston flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Boston that suits you.

Can I find flights from Lexington to Boston with flexible booking policies on momondo?

momondo does allow users to show only those flights to Boston from Lexington which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Lexington to Boston?

Once you have performed a search for Lexington to Boston flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Lexington to Boston right now. Can momondo alert me if prices change?

Price alerts on flights to Boston from Lexington are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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