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Cheap flights from Boston to Lexington from $157

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 10/30. 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

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Boston to Lexington

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
5:30 am - 12:11 pm
BOS
-
LEX
6h 41m
1 stop
Delta Logo
7:05 am - 12:22 pm
LEX
-
BOS
5h 17m
1 stop
$319Delta
Sat, Aug 22 - Sun, Aug 23
Delta Logo
5:30 am - 10:11 am
BOS
-
LEX
4h 41m
1 stop
Delta Logo
3:57 pm - 9:25 pm
LEX
-
BOS
5h 28m
1 stop
$319Delta
Sat, Aug 29 - Wed, Sep 9
American Airlines Logo
11:57 am - 5:31 pm
BOS
-
LEX
5h 34m
1 stop
American Airlines Logo
5:23 am - 12:39 pm
LEX
-
BOS
7h 16m
1 stop
$319American Airlines
Wed, Sep 23 - Mon, Sep 28
American Airlines Logo
10:28 am - 6:25 pm
BOS
-
LEX
7h 57m
1 stop
American Airlines Logo
4:54 pm - 11:48 pm
LEX
-
BOS
6h 54m
1 stop
$319American Airlines
Thu, Aug 27 - Sun, Aug 30
United Airlines Logo
5:01 pm - 11:55 pm
BOS
-
LEX
6h 54m
1 stop
United Airlines Logo
7:00 am - 2:07 pm
LEX
-
BOS
7h 07m
1 stop
$319United Airlines
Sat, Sep 5 - Sun, Sep 6
United Airlines Logo
6:43 pm - 11:55 pm
BOS
-
LEX
5h 12m
1 stop
United Airlines Logo
6:05 pm - 11:24 pm
LEX
-
BOS
5h 19m
1 stop
$319United Airlines
Fri, Sep 25 - Mon, Sep 28
Delta Logo
9:55 am - 3:27 pm
BOS
-
LEX
5h 32m
1 stop
Delta Logo
3:57 pm - 8:26 pm
LEX
-
BOS
4h 29m
1 stop
$319Delta
Tue, Sep 1 - Tue, Sep 8
United Airlines Logo
10:38 am - 5:35 pm
BOS
-
LEX
6h 57m
1 stop
United Airlines Logo
9:52 am - 4:27 pm
LEX
-
BOS
6h 35m
1 stop
$319United Airlines
Sat, Sep 5 - Sun, Sep 6
Multiple Airlines Logo
12:54 pm - 10:30 am
BOS
-
LEX
21h 36m
2 stops
Multiple Airlines Logo
6:10 pm - 8:20 am
LEX
-
BOS
14h 10m
1 stop
$367Multiple Airlines
Mon, Oct 5 - Sat, Oct 10
Multiple Airlines Logo
11:36 am - 10:30 am
BOS
-
LEX
22h 54m
1 stop
Multiple Airlines Logo
6:10 pm - 8:20 am
LEX
-
BOS
14h 10m
1 stop
$372Multiple Airlines
Mon, Oct 5 - Sat, Oct 10

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Delta flights from Boston to Lexington

Our best Delta deals on Boston to Lexington flight tickets
Delta
Aug 27
BOS6:00 pmBoston Logan Intl
5h 15m
1 stop
LEX11:15 pmLexington Blue Grass
Sep 10
LEX6:00 pmLexington Blue Grass
5h 58m
1 stop
BOS11:58 pmBoston Logan Intl
$319
Delta
Aug 20
BOS5:30 amBoston Logan Intl
4h 41m
1 stop
LEX10:11 amLexington Blue Grass
Aug 23
LEX6:00 amLexington Blue Grass
4h 41m
1 stop
BOS10:41 amBoston Logan Intl
$334
Delta
Aug 15
BOS7:00 amBoston Logan Intl
6h 12m
1 stop
LEX1:12 pmLexington Blue Grass
Aug 18
LEX7:05 amLexington Blue Grass
7h 17m
1 stop
BOS2:22 pmBoston Logan Intl
$349

United Airlines flights from Boston to Lexington

Our best United Airlines deals on Boston to Lexington flight tickets
United Airlines
Aug 28
BOS5:01 pmBoston Logan Intl
6h 54m
1 stop
LEX11:55 pmLexington Blue Grass
Sep 8
LEX7:00 amLexington Blue Grass
7h 50m
2 stops
BOS2:50 pmBoston Logan Intl
$324
United Airlines
Aug 15
BOS3:30 pmBoston Logan Intl
8h 25m
1 stop
LEX11:55 pmLexington Blue Grass
Aug 26
LEX6:15 pmLexington Blue Grass
6h 56m
1 stop
BOS1:11 amBoston Logan Intl
$334
United Airlines
Sep 5
BOS7:30 amBoston Logan Intl
10h 05m
2 stops
LEX5:35 pmLexington Blue Grass
Sep 6
LEX1:51 pmLexington Blue Grass
5h 28m
1 stop
BOS7:19 pmBoston Logan Intl
$336

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 August 3, 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

Sat 8/22

5:30 am-12:11 pm

1 stop6h 41m

Lexington Blue Grass

Sun 8/23

7:05 am-12:22 pm

1 stop5h 17m

$319

BostonLexington

BOS - LEX

BOSLEX

Boston Logan Intl

Sat 8/29

5:30 am-10:11 am

1 stop4h 41m

Lexington Blue Grass

Wed 9/9

3:57 pm-9:25 pm

1 stop5h 28m

$319

BostonLexington

BOS - LEX

BOSLEX

Boston Logan Intl

Wed 9/23

11:57 am-5:31 pm

1 stop5h 34m

Lexington Blue Grass

Mon 9/28

5:23 am-12:39 pm

1 stop7h 16m

$319

BostonLexington

BOS - LEX

BOSLEX

Boston Logan Intl

Thu 8/27

10:28 am-6:25 pm

1 stop7h 57m

Lexington Blue Grass

Sun 8/30

4:54 pm-11:48 pm

1 stop6h 54m

$319

BostonLexington

BOS - LEX

BOSLEX

Boston Logan Intl

Sat 9/5

5:01 pm-11:55 pm

1 stop6h 54m

Lexington Blue Grass

Sun 9/6

7:00 am-2:07 pm

1 stop7h 07m

$319

BostonLexington

BOS - LEX

BOSLEX

Boston Logan Intl

Fri 9/25

6:43 pm-11:55 pm

1 stop5h 12m

Lexington Blue Grass

Mon 9/28

6:05 pm-11:24 pm

1 stop5h 19m

$319
Quickest round-trip

BostonLexington

BOS - LEX

BOSLEX

Boston Logan Intl

Tue 9/1

9:55 am-3:27 pm

1 stop5h 32m

Lexington Blue Grass

Tue 9/8

3:57 pm-8:26 pm

1 stop4h 29m

$319

BostonLexington

BOS - LEX

BOSLEX

Boston Logan Intl

Sat 9/5

10:38 am-5:35 pm

1 stop6h 57m

Lexington Blue Grass

Sun 9/6

9:52 am-4:27 pm

1 stop6h 35m

$319

BostonLexington

BOS - LEX

BOSLEX

Boston Logan Intl

Mon 10/5

12:54 pm-10:30 am

2 stops21h 36m

Lexington Blue Grass

Sat 10/10

6:10 pm-8:20 am

1 stop14h 10m

$367

BostonLexington

BOS - LEX

BOSLEX

Boston Logan Intl

Mon 10/5

11:36 am-10:30 am

1 stop22h 54m

Lexington Blue Grass

Sat 10/10

6:10 pm-8:20 am

1 stop14h 10m

$372

Flights are sorted by cheapest round-trip flights first.

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

Prices are currently low for flights on this route.

Typical prices usually range from $369 to $733.
The lowest price recently found on this route was $319.

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 $278. If you are unable to visit Lexington during the month of September, then departing from Boston during the month January is also very affordable. Most momondo users find prices during this month for around $339.

What is the cheapest Boston Logan Intl to Lexington Blue Grass flight route?

Fly from Boston Logan Intl to Lexington Blue Grass for the best Boston Logan Intl - Lexington Blue Grass flight prices

What cabin class options are available on Boston to Lexington flights?

There is only 1 cabin class available to choose from on Boston to Lexington flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Boston to Lexington flight prices changed over time?

As of August 2026, prices for Boston to Lexington flights are approximately 54% 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 19m

Direct flights

Mon and Fri

Airports in Lexington

1 airport
The fastest flight from Boston to Lexington takes 4h 19m
Direct flights go from Boston to Lexington on Monday and Friday. There are no airlines offering direct flights.
There is 1 airport in Lexington. From Boston there are direct flights to Lexington Blue Grass (LEX).
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 19m 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 plane model from Boston to Lexington?

  • 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
10,058 reviews
Search United Airlines flights
American AirlinesPriceFrom $248Free CancellationRating
7.1
11,842 reviews
Search American Airlines flights
DeltaPriceFrom $248Free CancellationRating
7.8
8,483 reviews
Search Delta flights

Traveling to a place near Lexington?

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

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