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Cheap flights from Lexington to Boston from $136

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 4/21. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Find the cheapest flights from Lexington to Boston

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
5:00 pm - 7:47 am
LEX
-
BOS
14h 47m
1 stop
Multiple Airlines Logo
8:42 am - 8:41 pm
BOS
-
LEX
11h 59m
1 stop
$277Multiple Airlines
Th. 5, Thg. 6 4 - CN, Thg. 6 7
American Airlines Logo
4:27 pm - 10:28 pm
LEX
-
BOS
6h 01m
1 stop
American Airlines Logo
12:02 pm - 5:14 pm
BOS
-
LEX
5h 12m
1 stop
$281American Airlines
Th. 7, Thg. 4 18 - Th. 7, Thg. 4 25
Delta Logo
3:44 pm - 10:27 pm
LEX
-
BOS
6h 43m
1 stop
Delta Logo
8:00 am - 3:04 pm
BOS
-
LEX
7h 04m
1 stop
$289Delta
Th. 3, Thg. 6 30 - Th. 3, Thg. 7 7
Delta Logo
7:55 pm - 1:13 am
LEX
-
BOS
5h 18m
1 stop
Delta Logo
5:35 am - 11:54 am
BOS
-
LEX
6h 19m
1 stop
$294Delta
Th. 6, Thg. 3 27 - Th. 2, Thg. 3 30
Multiple Airlines Logo
10:00 am - 7:47 am
LEX
-
BOS
21h 47m
1 stop
Multiple Airlines Logo
8:42 am - 12:27 pm
BOS
-
LEX
27h 45m
2 stops
$298Multiple Airlines
Th. 5, Thg. 6 11 - Th. 2, Thg. 6 15
United Airlines Logo
10:25 am - 8:15 pm
LEX
-
BOS
9h 50m
2 stops
United Airlines Logo
6:00 am - 1:15 pm
BOS
-
LEX
7h 15m
1 stop
$299United Airlines
Th. 4, Thg. 3 25 - Th. 7, Thg. 3 28
American Airlines Logo
5:40 am - 9:57 am
LEX
-
BOS
4h 17m
1 stop
American Airlines Logo
10:47 am - 4:27 pm
BOS
-
LEX
5h 40m
1 stop
$309American Airlines
Th. 5, Thg. 5 21 - CN, Thg. 5 24
Delta Logo
8:20 pm - 1:28 am
LEX
-
BOS
5h 08m
1 stop
Delta Logo
5:40 am - 10:02 am
BOS
-
LEX
4h 22m
1 stop
$314Delta
Th. 3, Thg. 5 26 - Th. 7, Thg. 5 30
United Airlines Logo
7:00 am - 2:48 pm
LEX
-
BOS
7h 48m
1 stop
United Airlines Logo
6:48 pm - 11:59 pm
BOS
-
LEX
5h 11m
1 stop
$318United Airlines
Th. 5, Thg. 4 9 - Th. 2, Thg. 4 13
Delta Logo
10:30 am - 4:25 pm
LEX
-
BOS
5h 55m
1 stop
Delta Logo
5:30 am - 9:48 am
BOS
-
LEX
4h 18m
1 stop
$319Delta
Th. 6, Thg. 3 20 - Th. 2, Thg. 3 23

American Airlines flights from Lexington to Boston

Our best American Airlines deals on Lexington to Boston flight tickets
American Airlines
Apr 18
LEX4:27 pmLexington Blue Grass
6h 01m
1 stop
BOS10:28 pmBoston Logan Intl
Apr 25
BOS12:02 pmBoston Logan Intl
5h 12m
1 stop
LEX5:14 pmLexington Blue Grass
$281
American Airlines
May 21
LEX5:40 amLexington Blue Grass
4h 17m
1 stop
BOS9:57 amBoston Logan Intl
May 24
BOS10:47 amBoston Logan Intl
5h 40m
1 stop
LEX4:27 pmLexington Blue Grass
$309
American Airlines
Sep 5
LEX4:10 pmLexington Blue Grass
5h 34m
1 stop
BOS9:44 pmBoston Logan Intl
Sep 14
BOS5:32 amBoston Logan Intl
4h 56m
1 stop
LEX10:28 amLexington Blue Grass
$324

United Airlines flights from Lexington to Boston

Our best United Airlines deals on Lexington to Boston flight tickets
United Airlines
Mar 25
LEX10:25 amLexington Blue Grass
9h 50m
2 stops
BOS8:15 pmBoston Logan Intl
Mar 28
BOS6:00 amBoston Logan Intl
7h 15m
1 stop
LEX1:15 pmLexington Blue Grass
$299
United Airlines
Apr 9
LEX7:00 amLexington Blue Grass
7h 48m
1 stop
BOS2:48 pmBoston Logan Intl
Apr 13
BOS6:48 pmBoston Logan Intl
5h 11m
1 stop
LEX11:59 pmLexington Blue Grass
$318
United Airlines
Mar 25
LEX10:25 amLexington Blue Grass
9h 50m
2 stops
BOS8:15 pmBoston Logan Intl
Mar 28
BOS5:45 amBoston Logan Intl
7h 30m
2 stops
LEX1:15 pmLexington Blue Grass
$325

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 Tháng Ba 10, 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

Th. 5 6/4

5:00 pm-7:47 am

1 stop14h 47m

Boston Logan Intl

CN 6/7

8:42 am-8:41 pm

1 stop11h 59m

$277

LexingtonBoston

LEX - BOS

LEXBOS

Lexington Blue Grass

Th. 7 4/18

4:27 pm-10:28 pm

1 stop6h 01m

Boston Logan Intl

Th. 7 4/25

12:02 pm-5:14 pm

1 stop5h 12m

$281

LexingtonBoston

LEX - BOS

LEXBOS

Lexington Blue Grass

Th. 3 6/30

3:44 pm-10:27 pm

1 stop6h 43m

Boston Logan Intl

Th. 3 7/7

8:00 am-3:04 pm

1 stop7h 04m

$289

LexingtonBoston

LEX - BOS

LEXBOS

Lexington Blue Grass

Th. 6 3/27

7:55 pm-1:13 am

1 stop5h 18m

Boston Logan Intl

Th. 2 3/30

5:35 am-11:54 am

1 stop6h 19m

$294

LexingtonBoston

LEX - BOS

LEXBOS

Lexington Blue Grass

Th. 5 6/11

10:00 am-7:47 am

1 stop21h 47m

Boston Logan Intl

Th. 2 6/15

8:42 am-12:27 pm

2 stops27h 45m

$298

LexingtonBoston

LEX - BOS

LEXBOS

Lexington Blue Grass

Th. 4 3/25

10:25 am-8:15 pm

2 stops9h 50m

Boston Logan Intl

Th. 7 3/28

6:00 am-1:15 pm

1 stop7h 15m

$299

LexingtonBoston

LEX - BOS

LEXBOS

Lexington Blue Grass

Th. 5 5/21

5:40 am-9:57 am

1 stop4h 17m

Boston Logan Intl

CN 5/24

10:47 am-4:27 pm

1 stop5h 40m

$309
Quickest round-trip

LexingtonBoston

LEX - BOS

LEXBOS

Lexington Blue Grass

Th. 3 5/26

8:20 pm-1:28 am

1 stop5h 08m

Boston Logan Intl

Th. 7 5/30

5:40 am-10:02 am

1 stop4h 22m

$314

LexingtonBoston

LEX - BOS

LEXBOS

Lexington Blue Grass

Th. 5 4/9

7:00 am-2:48 pm

1 stop7h 48m

Boston Logan Intl

Th. 2 4/13

6:48 pm-11:59 pm

1 stop5h 11m

$318

LexingtonBoston

LEX - BOS

LEXBOS

Lexington Blue Grass

Th. 6 3/20

10:30 am-4:25 pm

1 stop5h 55m

Boston Logan Intl

Th. 2 3/23

5:30 am-9:48 am

1 stop4h 18m

$319

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Boston from

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 typical price of a round-trip flight between Lexington and Boston?

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 February instead. Flights to Boston in February, while not as cheap as those in August, still average around $310.

How have Lexington to Boston flight prices changed over time?

As of March 2026, prices for Lexington to Boston flights are approximately 100% more expensive when compared to flights at the same time last year.

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

Fastest flight time

4h 27m

Direct flights

None
The fastest flight from Lexington to Boston takes 4h 27m
There are no direct flights from Lexington to Boston. There are no popular flight routes from Lexington to Boston.
Search flight deals

  • 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 27m, 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 $139Free CancellationRating
7.9
8,276 reviews
Search Delta flights
American AirlinesPriceFrom $248Free CancellationRating
7.1
11,414 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
Old Orchard Beach
Hampton
York Beach
Kennebunkport
Plymouth
Cambridge
South Yarmouth
Narragansett
Gloucester
Falmouth
Brockton
Warwick
Laconia
Nashua
Chatham
Sturbridge
Everett

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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