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Cheap flights from Boston to Lexington from $100

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 10/31. 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 Boston to Lexington

Cheap round-trip flights

American Airlines Logo
5:24 am - 10:42 amBOS-LEX
5h 18m1 stop
American Airlines Logo
5:00 am - 9:56 amLEX-BOS
4h 56m1 stop
$225American Airlines
Find Deal
Fri, Oct 31 - Thu, Nov 6
Delta Logo
5:34 am - 9:45 amBOS-LEX
4h 11m1 stop
Delta Logo
1:14 pm - 9:15 pmLEX-BOS
8h 01m1 stop
$249Delta
Find Deal
Tue, Oct 14 - Sat, Oct 18
Delta Logo
5:29 am - 10:04 amBOS-LEX
4h 35m1 stop
Delta Logo
10:32 am - 4:00 pmLEX-BOS
5h 28m1 stop
$250Delta
Find Deal
Thu, Nov 27 - Wed, Dec 3
United Airlines Logo
5:30 am - 1:17 pmBOS-LEX
7h 47m2 stops
United Airlines Logo
10:40 am - 5:14 pmLEX-BOS
6h 34m1 stop
$254United Airlines
Find Deal
Wed, Oct 29 - Sat, Nov 1
United Airlines Logo
6:15 pm - 11:59 pmBOS-LEX
5h 44m1 stop
United Airlines Logo
6:01 pm - 12:50 amLEX-BOS
6h 49m1 stop
$259United Airlines
Find Deal
Tue, Sep 30 - Sat, Oct 4
United Airlines Logo
9:20 am - 4:50 pmBOS-LEX
7h 30m1 stop
United Airlines Logo
5:50 pm - 12:45 amLEX-BOS
6h 55m1 stop
$261United Airlines
Find Deal
Wed, Mar 4 - Sat, Mar 7
United Airlines Logo
8:00 am - 5:20 pmBOS-LEX
9h 20m2 stops
United Airlines Logo
6:01 pm - 12:50 amLEX-BOS
6h 49m1 stop
$264United Airlines
Find Deal
Tue, Sep 30 - Sat, Oct 4
Delta Logo
5:29 am - 10:04 amBOS-LEX
4h 35m1 stop
Delta Logo
6:14 am - 3:02 pmLEX-BOS
8h 48m1 stop
$273Delta
Find Deal
Thu, Nov 27 - Thu, Dec 4
Delta Logo
5:34 am - 9:45 amBOS-LEX
4h 11m1 stop
Delta Logo
5:48 pm - 11:49 pmLEX-BOS
6h 01m1 stop
$274Delta
Find Deal
Tue, Oct 14 - Sat, Oct 18
American Airlines Logo
5:00 am - 10:39 amBOS-LEX
5h 39m1 stop
American Airlines Logo
4:00 pm - 9:06 pmLEX-BOS
5h 06m1 stop
$339American Airlines
Find Deal
Thu, Oct 2 - Sat, Oct 4

American Airlines flights from Boston to Lexington

Our best American Airlines deals on Boston to Lexington flight tickets
American Airlines
Oct 31
BOS5:24 amBoston Logan Intl
5h 18m
1 stop
LEX10:42 amLexington Blue Grass
Nov 6
LEX5:00 amLexington Blue Grass
4h 56m
1 stop
BOS9:56 amBoston Logan Intl
$225
Find similar
American Airlines
Oct 2
BOS5:00 amBoston Logan Intl
5h 39m
1 stop
LEX10:39 amLexington Blue Grass
Oct 4
LEX4:00 pmLexington Blue Grass
5h 06m
1 stop
BOS9:06 pmBoston Logan Intl
$339
Find similar
American Airlines
Oct 21
BOS8:29 amBoston Logan Intl
6h 53m
1 stop
LEX3:22 pmLexington Blue Grass
Oct 23
LEX5:59 pmLexington Blue Grass
5h 01m
1 stop
BOS11:00 pmBoston Logan Intl
$364
Find similar

Delta flights from Boston to Lexington

Our best Delta deals on Boston to Lexington flight tickets
Delta
Oct 14
BOS5:34 amBoston Logan Intl
4h 11m
1 stop
LEX9:45 amLexington Blue Grass
Oct 18
LEX1:14 pmLexington Blue Grass
8h 01m
1 stop
BOS9:15 pmBoston Logan Intl
$249
Find similar
Delta
Nov 27
BOS5:29 amBoston Logan Intl
4h 35m
1 stop
LEX10:04 amLexington Blue Grass
Dec 3
LEX10:32 amLexington Blue Grass
5h 28m
1 stop
BOS4:00 pmBoston Logan Intl
$250
Find similar
Delta
Nov 27
BOS5:29 amBoston Logan Intl
4h 35m
1 stop
LEX10:04 amLexington Blue Grass
Dec 4
LEX6:14 amLexington Blue Grass
8h 48m
1 stop
BOS3:02 pmBoston Logan Intl
$273
Find similar

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 September 17, 2025.
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

BostonLexington

BOS - LEX

BOSLEX

Boston Logan Intl

Fri 10/31

5:24 am-10:42 am

1 stop5h 18m

Lexington Blue Grass

Thu 11/6

5:00 am-9:56 am

1 stop4h 56m

$225

BostonLexington

BOS - LEX

BOSLEX

Boston Logan Intl

Tue 10/14

5:34 am-9:45 am

1 stop4h 11m

Lexington Blue Grass

Sat 10/18

1:14 pm-9:15 pm

1 stop8h 01m

$249

BostonLexington

BOS - LEX

BOSLEX

Boston Logan Intl

Thu 11/27

5:29 am-10:04 am

1 stop4h 35m

Lexington Blue Grass

Wed 12/3

10:32 am-4:00 pm

1 stop5h 28m

$250

BostonLexington

BOS - LEX

BOSLEX

Boston Logan Intl

Wed 10/29

5:30 am-1:17 pm

2 stops7h 47m

Lexington Blue Grass

Sat 11/1

10:40 am-5:14 pm

1 stop6h 34m

$254

BostonLexington

BOS - LEX

BOSLEX

Boston Logan Intl

Tue 9/30

6:15 pm-11:59 pm

1 stop5h 44m

Lexington Blue Grass

Sat 10/4

6:01 pm-12:50 am

1 stop6h 49m

$259

BostonLexington

BOS - LEX

BOSLEX

Boston Logan Intl

Wed 3/4

9:20 am-4:50 pm

1 stop7h 30m

Lexington Blue Grass

Sat 3/7

5:50 pm-12:45 am

1 stop6h 55m

$261

BostonLexington

BOS - LEX

BOSLEX

Boston Logan Intl

Tue 9/30

8:00 am-5:20 pm

2 stops9h 20m

Lexington Blue Grass

Sat 10/4

6:01 pm-12:50 am

1 stop6h 49m

$264

BostonLexington

BOS - LEX

BOSLEX

Boston Logan Intl

Thu 11/27

5:29 am-10:04 am

1 stop4h 35m

Lexington Blue Grass

Thu 12/4

6:14 am-3:02 pm

1 stop8h 48m

$273

BostonLexington

BOS - LEX

BOSLEX

Boston Logan Intl

Tue 10/14

5:34 am-9:45 am

1 stop4h 11m

Lexington Blue Grass

Sat 10/18

5:48 pm-11:49 pm

1 stop6h 01m

$274

BostonLexington

BOS - LEX

BOSLEX

Boston Logan Intl

Thu 10/2

5:00 am-10:39 am

1 stop5h 39m

Lexington Blue Grass

Sat 10/4

4:00 pm-9:06 pm

1 stop5h 06m

$339

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 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 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 July is also very affordable. Most momondo users find prices during this month for around $361.

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

On average, the least expensive day to fly to Lexington from Boston is on a Saturday. momondo users have found tickets for Saturday departures for as low as $411. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Monday is the most expensive day to depart from Boston because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $676.

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

The cheapest time of day to fly to Lexington is at noon when flights can be purchased for as low as $538. Try not to purchase tickets in the afternoon because they tend to be around $592. Of course, these prices can vary depending on the time of year and what airport you fly to.

How have Boston to Lexington flight prices changed over time?

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

Direct flights

None
There are no direct flights from Boston to Lexington. There are no popular flight routes from Boston to Lexington.
Search flight deals

  • 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 04m 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
DeltaPriceFrom $248Free CancellationRating
7.9
7,961 reviews
Search Delta flights
American AirlinesPriceFrom $248Free CancellationRating
7.2
10,000 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
Somerset
Georgetown
Danville
Frankfort
Winchester
Berea
Carlisle
Versailles

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

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