$245 Cheap Flights from Boise (BOI) to Lexington (LEX)

View $245 flight on Thu, Feb 19, 2026Opens in a new window

Popular airlines from Boise Airport (BOI) to Blue Grass Airport (LEX)

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Cheap Flights from Boise to Lexington (BOI-LEX)

Prices were available within the past 7 days and start at $245 for one-way flights and $289 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Wed, Nov 5 - Wed, Nov 19
BOI
Boise
LEX
Lexington
$289 Roundtrip, found 8 hours ago
$289
Roundtrip
found 8 hours ago
Select American Airlines flight, departing Wed, Nov 5 from Boise to Lexington, returning Wed, Nov 19, priced at $289 found 8 hours ago
Delta
Wed, Nov 26 - Tue, Dec 9
BOI
Boise
LEX
Lexington
$294 Roundtrip, found 2 days ago
$294
Roundtrip
found 2 days ago
Select Delta flight, departing Wed, Nov 26 from Boise to Lexington, returning Tue, Dec 9, priced at $294 found 2 days ago
United
Sat, Nov 1 - Sat, Nov 8
BOI
Boise
LEX
Lexington
$299 Roundtrip, found 2 days ago
$299
Roundtrip
found 2 days ago
Select United flight, departing Sat, Nov 1 from Boise to Lexington, returning Sat, Nov 8, priced at $299 found 2 days ago
Delta
Mon, Feb 2 - Tue, Feb 10
BOI
Boise
LEX
Lexington
$299 Roundtrip, found 2 days ago
$299
Roundtrip
found 2 days ago
Select Delta flight, departing Mon, Feb 2 from Boise to Lexington, returning Tue, Feb 10, priced at $299 found 2 days ago
Delta
Fri, Nov 7 - Sun, Nov 16
BOI
Boise
LEX
Lexington
$309 Roundtrip, found 10 hours ago
$309
Roundtrip
found 10 hours ago
Select Delta flight, departing Fri, Nov 7 from Boise to Lexington, returning Sun, Nov 16, priced at $309 found 10 hours ago
Delta
Tue, Jan 6 - Tue, Jan 20
BOI
Boise
LEX
Lexington
$314 Roundtrip, found 3 days ago
$314
Roundtrip
found 3 days ago
Select Delta flight, departing Tue, Jan 6 from Boise to Lexington, returning Tue, Jan 20, priced at $314 found 3 days ago
Delta
Wed, Nov 5 - Wed, Nov 19
BOI
Boise
LEX
Lexington
$314 Roundtrip, found 8 hours ago
$314
Roundtrip
found 8 hours ago
Select Delta flight, departing Wed, Nov 5 from Boise to Lexington, returning Wed, Nov 19, priced at $314 found 8 hours ago
Delta
Wed, Nov 26 - Thu, Dec 4
BOI
Boise
LEX
Lexington
$319 Roundtrip, found 2 days ago
$319
Roundtrip
found 2 days ago
Select Delta flight, departing Wed, Nov 26 from Boise to Lexington, returning Thu, Dec 4, priced at $319 found 2 days ago
Delta
Mon, Feb 2 - Wed, Feb 11
BOI
Boise
LEX
Lexington
$324 Roundtrip, found 2 days ago
$324
Roundtrip
found 2 days ago
Select Delta flight, departing Mon, Feb 2 from Boise to Lexington, returning Wed, Feb 11, priced at $324 found 2 days ago
Alaska Airlines
Mon, Nov 3 - Mon, Nov 17
BOI
Boise
LEX
Lexington
$389 Roundtrip, found 10 hours ago
$389
Roundtrip
found 10 hours ago
Select Alaska Airlines flight, departing Mon, Nov 3 from Boise to Lexington, returning Mon, Nov 17, priced at $389 found 10 hours ago

Find the cheapest month to fly from Boise (BOI) to Lexington (LEX)

January is typically the cheapest month to fly

From $288 - $768 per traveler.

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 $345
LEX
Blue Grass
CheapestClosest
Average driving time to city center9 min
Flights from $345
Flights from Boise (BOI) to Lexington (LEX)
Origin airport
Boise
Destination airport
Blue Grass
Airlines serving
Alaska Airlines, American Airlines, Delta, United
Roundtrip price
$288
Distance
1686 mi

Boise to Lexington Flights

The cheapest times to fly from Boise 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 Boise to Lexington are during the month of November. You can find some of the cheapest flights from Boise to Lexington with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Boise to Lexington

Sunday is one of the best days to book for cheap flights from Boise 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 Boise 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 Boise to Lexington in 2025. You can also book with separate airlines for your outbound and return journeys, from $245 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 Boise 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 Boise 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 Boise Airport (BOI) to Blue Grass Airport (LEX) cost?
Snag a cheap one-way flight from $245 or cheap return flight from $289 from Boise Airport (BOI) 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 Boise Airport (BOI) to Blue Grass Airport (LEX)?
The cheapest month to fly from BOI to LEX is November, when there's less demand. Off-peak months are usually when airlines offer better prices between these airports.
What is the cheapest airline that flies from Boise Airport (BOI) to Blue Grass Airport (LEX)?
Use the filters on Expedia to compare airlines and find the most affordable carrier that'll fly you from BOI to LEX. Then, sort your results by "Price (lowest to highest)" to snag a good deal.
How many flights per day from Boise Airport (BOI) to Blue Grass Airport (LEX)?
You'll need to catch a flight with a layover if you're traveling from Boise Airport (BOI) to Blue Grass Airport (LEX). Direct flights don't operate daily on this route. However, simply filter your search to include one or more stops to discover an option that works for you.
What day of the week has the most flights from BOI to LEX?
You'll usually find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can change 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 Boise Airport (BOI) to Blue Grass Airport (LEX)?
To arrive at Blue Grass Airport (LEX) on time, book a flight that leaves from Boise Airport (BOI) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this time.**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 Boise Airport (BOI) to Blue Grass Airport (LEX) last-minute?
Last-minute fares from BOI to LEX are usually more expensive. To secure the best prices, start looking for flights as early as possible. That being said, if you're flexible with your travel dates, it's possible to land a cheap ticket right before your trip.
Is it cheaper to book a BOI to LEX flight and hotel package?
Compared with arranging hotels and flights separately, booking a BOI to LEX flight and hotel package with Expedia could lead to significant savings. Better yet, having everything in one convenient place will take the stress out of travel planning. Simply pick your flights and select from our wide range of hotels, then personalize your trip with extras like activities, tours and car rentals.
Can I cancel or change the date of my flight from Boise Airport (BOI) to Blue Grass Airport (LEX)?
If you booked your BOI to LEX flight in the last 24 hours, you may be able to cancel or modify it without any fees. Depending on the airline and the type of ticket 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 for more information.

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*Available to One Key members.