$100 Cheap Flights from Boston (BOS) to Lexington (LEX)

View $100 flight on Thu, Jan 1, 2026Opens in a new window

Popular airlines from Logan International Airport (BOS) to Blue Grass Airport (LEX)

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Cheap Flights from Boston to Lexington (BOS-LEX)

Prices were available within the past 7 days and start at $100 for one-way flights and $225 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Sat, Nov 22 - Mon, Nov 24
BOS
Boston
LEX
Lexington
$225 Roundtrip, found 3 days ago
$225
Roundtrip
found 3 days ago
Select American Airlines flight, departing Sat, Nov 22 from Boston to Lexington, returning Mon, Nov 24, priced at $225 found 3 days ago
United
Sat, Aug 30 - Sat, Sep 6
BOS
Boston
LEX
Lexington
$228 Roundtrip, found 6 days ago
$228
Roundtrip
found 6 days ago
Select United flight, departing Sat, Aug 30 from Boston to Lexington, returning Sat, Sep 6, priced at $228 found 6 days ago
United
Sat, Sep 6 - Wed, Sep 10
BOS
Boston
LEX
Lexington
$229 Roundtrip, found 23 hours ago
$229
Roundtrip
found 23 hours ago
Select United flight, departing Sat, Sep 6 from Boston to Lexington, returning Wed, Sep 10, priced at $229 found 23 hours ago
United
Sat, Aug 30 - Sat, Sep 6
BOS
Boston
LEX
Lexington
$229 Roundtrip, found 6 days ago
$229
Roundtrip
found 6 days ago
Select United flight, departing Sat, Aug 30 from Boston to Lexington, returning Sat, Sep 6, priced at $229 found 6 days ago
Delta
Tue, Sep 2 - Thu, Sep 4
BOS
Boston
LEX
Lexington
$232 Roundtrip, found 11 hours ago
$232
Roundtrip
found 11 hours ago
Select Delta flight, departing Tue, Sep 2 from Boston to Lexington, returning Thu, Sep 4, priced at $232 found 11 hours ago
American Airlines
Sat, Nov 22 - Mon, Nov 24
BOS
Boston
LEX
Lexington
$245 Roundtrip, found 3 days ago
$245
Roundtrip
found 3 days ago
Select American Airlines flight, departing Sat, Nov 22 from Boston to Lexington, returning Mon, Nov 24, priced at $245 found 3 days ago
Delta
Wed, Sep 24 - Mon, Sep 29
BOS
Boston
LEX
Lexington
$249 Roundtrip, found 1 hour ago
$249
Roundtrip
found 1 hour ago
Select Delta flight, departing Wed, Sep 24 from Boston to Lexington, returning Mon, Sep 29, priced at $249 found 1 hour ago
United
Sat, Aug 30 - Sat, Sep 6
BOS
Boston
LEX
Lexington
$249 Roundtrip, found 6 days ago
$249
Roundtrip
found 6 days ago
Select United flight, departing Sat, Aug 30 from Boston to Lexington, returning Sat, Sep 6, priced at $249 found 6 days ago
American Airlines
Sat, Nov 15 - Wed, Nov 19
BOS
Boston
LEX
Lexington
$253 Roundtrip, found 14 hours ago
$253
Roundtrip
found 14 hours ago
Select American Airlines flight, departing Sat, Nov 15 from Boston to Lexington, returning Wed, Nov 19, priced at $253 found 14 hours ago
United
Sat, Sep 6 - Wed, Sep 10
BOS
Boston
LEX
Lexington
$254 Roundtrip, found 23 hours ago
$254
Roundtrip
found 23 hours ago
Select United flight, departing Sat, Sep 6 from Boston to Lexington, returning Wed, Sep 10, priced at $254 found 23 hours ago

Find the cheapest month to fly from Boston (BOS) to Lexington (LEX)

August is typically the cheapest month to fly

From $228 - $740 per traveler.

Graph displaying average flight prices per month

Alternative airports near Lexington

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Blue Grass LEX. Cheapest and Closest option available. Average driving time to city center is 9 minutes. Flights from $229
LEX
Blue Grass
CheapestClosest
Average driving time to city center9 min
Flights from $229
Flights from Boston (BOS) to Lexington (LEX)
Origin airport
Logan Intl.
Destination airport
Blue Grass
Airlines serving
American Airlines, Delta, United
Roundtrip price
$224
Distance
775 mi

Boston to Lexington Flights

The cheapest times to fly from Boston to Lexington

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Boston to Lexington are during the month of November. You can find some of the cheapest flights from Boston to Lexington with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Boston to Lexington

Sunday is one of the best days to book for cheap flights from Boston to Lexington: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Boston to Lexington

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Boston to Lexington in 2025. You can also book with separate airlines for your outbound and return journeys, from $100 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Boston to Lexington flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Boston to Lexington airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Logan Intl. Airport (BOS) to Blue Grass Airport (LEX) cost?
Lock in a cheap one-way flight from $100 or cheap return flight from $225 from Logan Intl. Airport (BOS) to Blue Grass Airport (LEX) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Logan Intl. Airport (BOS) to Blue Grass Airport (LEX)?
November is the most affordable month to fly from BOS to LEX. Traveling during quieter months is often the key to finding better deals on flights.
What is the cheapest airline that flies from Logan Intl. Airport (BOS) to Blue Grass Airport (LEX)?
Use the filters on Expedia to compare airlines and find the cheapest carrier that'll take you from BOS to LEX. Then, sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Logan Intl. Airport (BOS) to Blue Grass Airport (LEX)?
There are no daily nonstop flights departing from Logan Intl. Airport (BOS) to Blue Grass Airport (LEX). But you can opt for flights with layovers. Filter your search on Expedia to include one or more stops, and you'll be soaring above the clouds before you know it.
What day of the week has the most flights from BOS to LEX?
You'll usually find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can vary from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Logan Intl. Airport (BOS) to Blue Grass Airport (LEX)?
Opt for a flight from Logan Intl. Airport (BOS) to Blue Grass Airport (LEX) that takes off before 3 PM to reduce the risk of cancellations. Departures after this time are on average 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Logan Intl. Airport (BOS) to Blue Grass Airport (LEX) last-minute?
Last-minute fares from BOS to LEX are typically more expensive. For the cheapest rates, start searching for flights as early as possible. That said, if your travel plans are flexible, you may score a cheap fare right before your trip.
Is it cheaper to book a BOS to LEX flight and hotel package?
Booking a BOS to LEX flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your trip all in one place. Pick from our extensive range of stays and then add activities, car rentals and flights to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Logan Intl. Airport (BOS) to Blue Grass Airport (LEX)?
If you booked your BOS to LEX flight within the last 24 hours, you may be able to modify or cancel it without fees. Depending on the airline and the type of fare you have, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal if you want more information.

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*Available to One Key members.