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Cheap flights from Lexington to Boston from $126

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 2/17. 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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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.
United Airlines Logo
10:35 am - 5:19 pm
LEX
-
BOS
6h 44m
1 stop
United Airlines Logo
7:45 am - 1:15 pm
BOS
-
LEX
5h 30m
1 stop
$251United Airlines
Tue, Feb 17 - Tue, Feb 24
United Airlines Logo
10:35 am - 7:08 pm
LEX
-
BOS
8h 33m
2 stops
United Airlines Logo
4:25 pm - 11:49 pm
BOS
-
LEX
7h 24m
1 stop
$256United Airlines
Tue, Feb 17 - Tue, Feb 24
Delta Logo
7:26 am - 12:24 pm
LEX
-
BOS
4h 58m
1 stop
Delta Logo
5:29 am - 9:55 am
BOS
-
LEX
4h 26m
1 stop
$260Delta
Wed, Feb 18 - Thu, Feb 26
United Airlines Logo
10:35 am - 5:21 pm
LEX
-
BOS
6h 46m
2 stops
United Airlines Logo
8:11 am - 4:50 pm
BOS
-
LEX
8h 39m
2 stops
$262United Airlines
Tue, Feb 17 - Tue, Feb 24
American Airlines Logo
7:23 pm - 11:57 pm
LEX
-
BOS
4h 34m
1 stop
American Airlines Logo
9:51 am - 4:59 pm
BOS
-
LEX
7h 08m
1 stop
$265American Airlines
Sat, Feb 7 - Tue, Feb 10
American Airlines Logo
6:00 am - 10:20 am
LEX
-
BOS
4h 20m
1 stop
American Airlines Logo
5:09 pm - 11:52 pm
BOS
-
LEX
6h 43m
1 stop
$269American Airlines
Fri, May 8 - Mon, May 11
Delta Logo
7:16 am - 1:39 pm
LEX
-
BOS
6h 23m
1 stop
Delta Logo
4:00 pm - 11:06 pm
BOS
-
LEX
7h 06m
1 stop
$304Delta
Fri, Mar 27 - Mon, Mar 30
Delta Logo
7:26 am - 9:18 pm
LEX
-
BOS
13h 52m
2 stops
Delta Logo
8:00 am - 2:59 pm
BOS
-
LEX
6h 59m
1 stop
$308Delta
Wed, Feb 18 - Tue, Feb 24
Delta Logo
7:26 am - 9:18 pm
LEX
-
BOS
13h 52m
2 stops
Delta Logo
5:29 am - 9:55 am
BOS
-
LEX
4h 26m
1 stop
$317Delta
Wed, Feb 18 - Thu, Feb 26
United Airlines Logo
10:35 am - 5:21 pm
LEX
-
BOS
6h 46m
2 stops
United Airlines Logo
6:00 am - 1:15 pm
BOS
-
LEX
7h 15m
1 stop
$326United Airlines
Tue, Feb 17 - Tue, Feb 24

United Airlines flights from Lexington to Boston

Our best United Airlines deals on Lexington to Boston flight tickets
United Airlines
Feb 17
LEX10:35 amLexington Blue Grass
6h 44m
1 stop
BOS5:19 pmBoston Logan Intl
Feb 24
BOS7:45 amBoston Logan Intl
5h 30m
1 stop
LEX1:15 pmLexington Blue Grass
$251
United Airlines
Feb 17
LEX10:35 amLexington Blue Grass
8h 33m
2 stops
BOS7:08 pmBoston Logan Intl
Feb 24
BOS4:25 pmBoston Logan Intl
7h 24m
1 stop
LEX11:49 pmLexington Blue Grass
$256
United Airlines
Feb 17
LEX10:35 amLexington Blue Grass
6h 46m
2 stops
BOS5:21 pmBoston Logan Intl
Feb 24
BOS8:11 amBoston Logan Intl
8h 39m
2 stops
LEX4:50 pmLexington Blue Grass
$262

Delta flights from Lexington to Boston

Our best Delta deals on Lexington to Boston flight tickets
Delta
Feb 18
LEX7:26 amLexington Blue Grass
4h 58m
1 stop
BOS12:24 pmBoston Logan Intl
Feb 26
BOS5:29 amBoston Logan Intl
4h 26m
1 stop
LEX9:55 amLexington Blue Grass
$260
Delta
Mar 27
LEX6:00 amLexington Blue Grass
7h 39m
1 stop
BOS1:39 pmBoston Logan Intl
Mar 30
BOS5:35 amBoston Logan Intl
6h 19m
1 stop
LEX11:54 amLexington Blue Grass
$304
Delta
Feb 18
LEX7:26 amLexington Blue Grass
13h 52m
2 stops
BOS9:18 pmBoston Logan Intl
Feb 24
BOS8:00 amBoston Logan Intl
6h 59m
1 stop
LEX2:59 pmLexington Blue Grass
$308

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 January 20, 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

LexingtonBoston

LEX - BOS

LEXBOS

Lexington Blue Grass

Tue 2/17

10:35 am-5:19 pm

1 stop6h 44m

Boston Logan Intl

Tue 2/24

7:45 am-1:15 pm

1 stop5h 30m

$251

LexingtonBoston

LEX - BOS

LEXBOS

Lexington Blue Grass

Tue 2/17

10:35 am-7:08 pm

2 stops8h 33m

Boston Logan Intl

Tue 2/24

4:25 pm-11:49 pm

1 stop7h 24m

$256

LexingtonBoston

LEX - BOS

LEXBOS

Lexington Blue Grass

Wed 2/18

7:26 am-12:24 pm

1 stop4h 58m

Boston Logan Intl

Thu 2/26

5:29 am-9:55 am

1 stop4h 26m

$260

LexingtonBoston

LEX - BOS

LEXBOS

Lexington Blue Grass

Tue 2/17

10:35 am-5:21 pm

2 stops6h 46m

Boston Logan Intl

Tue 2/24

8:11 am-4:50 pm

2 stops8h 39m

$262

LexingtonBoston

LEX - BOS

LEXBOS

Lexington Blue Grass

Sat 2/7

7:23 pm-11:57 pm

1 stop4h 34m

Boston Logan Intl

Tue 2/10

9:51 am-4:59 pm

1 stop7h 08m

$265

LexingtonBoston

LEX - BOS

LEXBOS

Lexington Blue Grass

Fri 5/8

6:00 am-10:20 am

1 stop4h 20m

Boston Logan Intl

Mon 5/11

5:09 pm-11:52 pm

1 stop6h 43m

$269

LexingtonBoston

LEX - BOS

LEXBOS

Lexington Blue Grass

Fri 3/27

7:16 am-1:39 pm

1 stop6h 23m

Boston Logan Intl

Mon 3/30

4:00 pm-11:06 pm

1 stop7h 06m

$304

LexingtonBoston

LEX - BOS

LEXBOS

Lexington Blue Grass

Wed 2/18

7:26 am-9:18 pm

2 stops13h 52m

Boston Logan Intl

Tue 2/24

8:00 am-2:59 pm

1 stop6h 59m

$308

LexingtonBoston

LEX - BOS

LEXBOS

Lexington Blue Grass

Wed 2/18

7:26 am-9:18 pm

2 stops13h 52m

Boston Logan Intl

Thu 2/26

5:29 am-9:55 am

1 stop4h 26m

$317

LexingtonBoston

LEX - BOS

LEXBOS

Lexington Blue Grass

Tue 2/17

10:35 am-5:21 pm

2 stops6h 46m

Boston Logan Intl

Tue 2/24

6:00 am-1:15 pm

1 stop7h 15m

$326

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 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 January instead. Flights to Boston in January, while not as cheap as those in August, still average around $316.

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 $397 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?

As of January 2026, prices for Lexington to Boston flights are approximately 34% cheaper 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 19m

Direct flights

None
The fastest flight from Lexington to Boston takes 4h 19m
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 19m, 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
8,078 reviews
Search Delta flights
American AirlinesPriceFrom $248Free CancellationRating
7.2
11,164 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
Plymouth
Kennebunkport
South Yarmouth
Cambridge
Narragansett
Gloucester
Falmouth
Nashua
Laconia
Brockton
Sturbridge
Chatham
Concord
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.

An easier way to manage your Boston trip

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