Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Boston to Lexington from $137

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Boston to Lexington departing on 5/27. 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
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Boston to Lexington

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
11:27 am - 7:56 pm
BOS
-
LEX
8h 29m
1 stop
Multiple Airlines Logo
1:17 pm - 1:27 am
LEX
-
BOS
36h 10m
2 stops
$269Multiple Airlines
Mon, Jun 1 - Tue, Jun 9
Delta Logo
5:35 am - 12:19 pm
BOS
-
LEX
6h 44m
1 stop
Delta Logo
3:53 pm - 11:27 pm
LEX
-
BOS
7h 34m
1 stop
$275Delta
Sat, Jun 6 - Wed, Jun 10
Multiple Airlines Logo
11:27 am - 7:56 pm
BOS
-
LEX
8h 29m
1 stop
Multiple Airlines Logo
9:31 pm - 7:52 am
LEX
-
BOS
34h 21m
2 stops
$288Multiple Airlines
Mon, Jun 1 - Sun, Jun 7
Delta Logo
5:40 am - 10:02 am
BOS
-
LEX
4h 22m
1 stop
Delta Logo
6:11 pm - 1:28 am
LEX
-
BOS
7h 17m
1 stop
$292Delta
Tue, Jun 2 - Sat, Jun 6
Delta Logo
5:30 am - 10:09 am
BOS
-
LEX
4h 39m
1 stop
Delta Logo
3:53 pm - 8:29 pm
LEX
-
BOS
4h 36m
1 stop
$309Delta
Thu, Jun 11 - Mon, Jun 15
Multiple Airlines Logo
11:27 am - 7:56 pm
BOS
-
LEX
8h 29m
1 stop
Multiple Airlines Logo
9:40 am - 1:27 am
LEX
-
BOS
39h 47m
2 stops
$310Multiple Airlines
Mon, Jun 1 - Mon, Jun 8
United Airlines Logo
6:40 pm - 11:59 pm
BOS
-
LEX
5h 19m
1 stop
United Airlines Logo
7:00 am - 3:15 pm
LEX
-
BOS
8h 15m
2 stops
$314United Airlines
Sat, May 23 - Wed, May 27
Allegiant Air Logo
11:27 am - 7:56 pm
BOS
-
LEX
8h 29m
1 stop
Allegiant Air Logo
5:25 pm - 10:04 am
LEX
-
BOS
16h 39m
1 stop
$319Allegiant Air
Mon, Jun 1 - Fri, Jun 5
Delta Logo
6:30 pm - 11:10 pm
BOS
-
LEX
4h 40m
1 stop
Delta Logo
8:05 am - 2:15 pm
LEX
-
BOS
6h 10m
1 stop
$324Delta
Fri, May 22 - Sun, May 24
Delta Logo
5:30 am - 10:20 am
BOS
-
LEX
4h 50m
1 stop
Delta Logo
7:45 pm - 12:58 am
LEX
-
BOS
5h 13m
1 stop
$327Delta
Sat, Oct 10 - Wed, Oct 14

Delta flights from Boston to Lexington

Our best Delta deals on Boston to Lexington flight tickets
Delta
Jun 6
BOS5:35 amBoston Logan Intl
6h 44m
1 stop
LEX12:19 pmLexington Blue Grass
Jun 10
LEX3:53 pmLexington Blue Grass
7h 34m
1 stop
BOS11:27 pmBoston Logan Intl
$275
Delta
Jun 2
BOS5:40 amBoston Logan Intl
4h 22m
1 stop
LEX10:02 amLexington Blue Grass
Jun 6
LEX6:11 pmLexington Blue Grass
7h 17m
1 stop
BOS1:28 amBoston Logan Intl
$292
Delta
Jun 11
BOS5:30 amBoston Logan Intl
4h 39m
1 stop
LEX10:09 amLexington Blue Grass
Jun 15
LEX3:53 pmLexington Blue Grass
4h 36m
1 stop
BOS8:29 pmBoston Logan Intl
$309

American Airlines flights from Boston to Lexington

Our best American Airlines deals on Boston to Lexington flight tickets
American Airlines
May 19
BOS4:32 pmBoston Logan Intl
7h 06m
1 stop
LEX11:38 pmLexington Blue Grass
May 23
LEX5:40 amLexington Blue Grass
4h 21m
1 stop
BOS10:01 amBoston Logan Intl
$339
American Airlines
May 16
BOS6:53 pmBoston Logan Intl
5h 03m
1 stop
LEX11:56 pmLexington Blue Grass
May 26
LEX4:45 pmLexington Blue Grass
5h 50m
1 stop
BOS10:35 pmBoston Logan Intl
$354
American Airlines
Jul 3
BOS5:10 amBoston Logan Intl
5h 40m
1 stop
LEX10:50 amLexington Blue Grass
Jul 5
LEX5:01 pmLexington Blue Grass
6h 48m
1 stop
BOS11:49 pmBoston Logan Intl
$364

momondo 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, momondo users made 832,500 searches. Data last updated May 7, 2026.
Use the filters below to find and compare flights from Boston to Lexington that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BostonLexington

BOS - LEX

BOSLEX

Boston Logan Intl

Mon 6/1

11:27 am-7:56 pm

1 stop8h 29m

Lexington Blue Grass

Tue 6/9

1:17 pm-1:27 am

2 stops36h 10m

$269

BostonLexington

BOS - LEX

BOSLEX

Boston Logan Intl

Sat 6/6

5:35 am-12:19 pm

1 stop6h 44m

Lexington Blue Grass

Wed 6/10

3:53 pm-11:27 pm

1 stop7h 34m

$275

BostonLexington

BOS - LEX

BOSLEX

Boston Logan Intl

Mon 6/1

11:27 am-7:56 pm

1 stop8h 29m

Lexington Blue Grass

Sun 6/7

9:31 pm-7:52 am

2 stops34h 21m

$288

BostonLexington

BOS - LEX

BOSLEX

Boston Logan Intl

Tue 6/2

5:40 am-10:02 am

1 stop4h 22m

Lexington Blue Grass

Sat 6/6

6:11 pm-1:28 am

1 stop7h 17m

$292
Quickest round-trip

BostonLexington

BOS - LEX

BOSLEX

Boston Logan Intl

Thu 6/11

5:30 am-10:09 am

1 stop4h 39m

Lexington Blue Grass

Mon 6/15

3:53 pm-8:29 pm

1 stop4h 36m

$309

BostonLexington

BOS - LEX

BOSLEX

Boston Logan Intl

Mon 6/1

11:27 am-7:56 pm

1 stop8h 29m

Lexington Blue Grass

Mon 6/8

9:40 am-1:27 am

2 stops39h 47m

$310

BostonLexington

BOS - LEX

BOSLEX

Boston Logan Intl

Sat 5/23

6:40 pm-11:59 pm

1 stop5h 19m

Lexington Blue Grass

Wed 5/27

7:00 am-3:15 pm

2 stops8h 15m

$314

BostonLexington

BOS - LEX

BOSLEX

Boston Logan Intl

Mon 6/1

11:27 am-7:56 pm

1 stop8h 29m

Lexington Blue Grass

Fri 6/5

5:25 pm-10:04 am

1 stop16h 39m

$319

BostonLexington

BOS - LEX

BOSLEX

Boston Logan Intl

Fri 5/22

6:30 pm-11:10 pm

1 stop4h 40m

Lexington Blue Grass

Sun 5/24

8:05 am-2:15 pm

1 stop6h 10m

$324

BostonLexington

BOS - LEX

BOSLEX

Boston Logan Intl

Sat 10/10

5:30 am-10:20 am

1 stop4h 50m

Lexington Blue Grass

Wed 10/14

7:45 pm-12:58 am

1 stop5h 13m

$327

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Lexington from

How to get the cheapest flight ticket from Boston to Lexington

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 Boston and Lexington?

What is the cheapest month to fly to Lexington?

In general, September is the cheapest month to fly from Boston to Lexington. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $291. If you are unable to visit Lexington during the month of September, then departing from Boston during the month July is also very affordable. Most momondo users find prices during this month for around $313.

How have Boston to Lexington flight prices changed over time?

As of May 2026, prices for Boston to Lexington flights are approximately 12% cheaper when compared to flights at the same time last year.

When to book flights from Boston to Lexington

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

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

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

Fastest flight time

4h 31m

Direct flights

None
The fastest flight from Boston to Lexington takes 4h 31m
There are no direct flights from Boston to Lexington. There are no popular flight routes from Boston to Lexington.
Search flight deals

Frequently asked questions about flying from Boston to Lexington

  • How far is Boston Logan Intl to Lexington Blue Grass by plane?

    The straight-line distance from Boston Logan Intl to Lexington Blue Grass is 768.1 mi. Typically, this will take 4h 31m by plane in normal conditions.

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

    Prices for flights from Boston Logan Intl Airport to Lexington Blue Grass Airport were last updated today.

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

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Boston Logan Intl Airport to Lexington Blue Grass Airport.

  • What documentation or ID do you need to fly to Lexington Blue Grass Airport?

    The required travel and health documents for your Lexington Blue Grass 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 Lexington Blue Grass 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 Boston to Lexington?

Best airlines flying from Boston to Lexington

Compare and see reviews for airlines that fly from Boston to Lexington with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $248Free CancellationRating
7.4
9,690 reviews
Search United Airlines flights
DeltaPriceFrom $248Free CancellationRating
7.9
8,459 reviews
Search Delta flights
American AirlinesPriceFrom $248Free CancellationRating
7.1
11,669 reviews
Search American Airlines flights

Traveling to a place near Lexington?

Book flights to Lexington if you plan to visit one of these locations
Richmond
Georgetown
Somerset
Danville
Frankfort
Winchester
Berea
Versailles
Carlisle

Why use momondo?

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

It is quick and easy to find Boston to Lexington 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 Lexington that suits you.

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

Flights from Boston to Lexington with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Boston to Lexington.

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

Yes. momondo can track prices for Boston to Lexington flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

An easier way to manage your Lexington trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sat 6/6
Sat 6/13
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States