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Lexington

$362+ Cheap flights from Boise to Lexington (BOI - LEX)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/28. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — LEX
Oct 18 — Oct 251
Sat 10/18
Sat 10/25
1 adult, Economy
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Cheap flight deals from Boise to Lexington

Discover tips and strategies to find the most affordable flight options for your journey from Boise (BOI) to Lexington (LEX). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 18, 2025.

Round-trip from

$362
(Delta)

Popular in

May

Cheapest in

October

Average price

$376
From Boise Air Term. Gowen Fld to Lexington Blue Grass
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Highest demand for flights based on searches. 14% potential increase in price ($85 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($20 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Boise to Lexington

Cheapest flights from Boise to Lexington
Explore the most affordable flight options available from Boise to Lexington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 18, 2025.

This United Airlines deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1112:35 pmBOI - LEX
1 stop6h 26mUnited Airlines
Fri 10/247:05 amLEX - BOI
2 stops18h 39mUnited Airlines
Deal found 9/18$541
This Alaska Airlines deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/116:00 amBOI - LEX
2 stops10h 30mAlaska Airlines
Fri 10/2411:12 amLEX - BOI
2 stops14h 44mAlaska Airlines
Deal found 9/17$598
This American Airlines deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/111:26 pmBOI - LEX
1 stop7h 54mAmerican Airlines
Fri 10/246:30 amLEX - BOI
1 stop8h 08mAmerican Airlines
Deal found 9/17$606
This American Airlines deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/11:33 pmBOI - LEX
1 stop19h 00mAmerican Airlines
Sun 12/76:58 pmLEX - BOI
1 stop20h 26mAmerican Airlines
Deal found 9/16$613
This Delta deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/17:45 pmBOI - LEX
2 stops12h 07mDelta
Sun 12/76:00 amLEX - BOI
1 stop8h 51mDelta
Deal found 9/16$622
This Delta deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1111:12 amBOI - LEX
2 stops10h 52mDelta
Fri 10/245:54 pmLEX - BOI
2 stops8h 02mDelta
Deal found 9/18$678
This United Airlines deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/37:05 pmBOI - LEX
2 stops18h 43mUnited Airlines
Mon 10/67:33 pmLEX - BOI
2 stops16h 20mUnited Airlines
Deal found 9/17$717
This American Airlines deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/231:33 pmBOI - LEX
1 stop8h 24mAmerican Airlines
Sun 10/265:30 amLEX - BOI
1 stop9h 13mAmerican Airlines
Deal found 9/17$760
This American Airlines deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/31:38 pmBOI - LEX
1 stop8h 48mAmerican Airlines
Mon 10/67:19 pmLEX - BOI
1 stop19h 27mAmerican Airlines
Deal found 9/17$766
This Delta deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/2411:35 pmBOI - LEX
1 stop7h 52mDelta
Mon 12/16:00 amLEX - BOI
1 stop8h 44mDelta
Deal found 9/18$778
This United Airlines deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/237:00 amBOI - LEX
2 stops14h 59mUnited Airlines
Sun 10/267:05 amLEX - BOI
1 stop6h 34mUnited Airlines
Deal found 9/17$792

Cheapflights Fare Finder

 
Customize your flight search to find flights from Boise 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, Cheapflights users made 2,558,603 searches. Data last updated September 18, 2025.
Use the filters below to find and compare flights from Boise to Lexington that are best for you.

Fly from

Boise

Fly to

Lexington

Route

Depart

Return

Price

BoiseLexington

BOI - LEX

BOILEX

Boise Air Term. Gowen Fld

Sat 2/28

6:00 pm-10:25 am

2 stops14h 25m

Lexington Blue Grass

Tue 3/3

7:10 am-12:45 pm

1 stop7h 35m

$362

BoiseLexington

BOI - LEX

BOILEX

Boise Air Term. Gowen Fld

Sat 2/28

1:20 pm-8:52 pm

1 stop5h 32m

Lexington Blue Grass

Tue 3/3

6:58 am-12:40 pm

1 stop7h 42m

$379

BoiseLexington

BOI - LEX

BOILEX

Boise Air Term. Gowen Fld

Sat 10/11

12:35 pm-9:01 pm

1 stop6h 26m

Lexington Blue Grass

Fri 10/24

7:05 am-11:44 pm

2 stops18h 39m

$541

BoiseLexington

BOI - LEX

BOILEX

Boise Air Term. Gowen Fld

Sat 10/11

6:00 am-6:30 pm

2 stops10h 30m

Lexington Blue Grass

Fri 10/24

11:12 am-11:56 pm

2 stops14h 44m

$598

BoiseLexington

BOI - LEX

BOILEX

Boise Air Term. Gowen Fld

Sat 10/11

1:26 pm-11:20 pm

1 stop7h 54m

Lexington Blue Grass

Fri 10/24

6:30 am-12:38 pm

1 stop8h 08m

$606

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/16

Best time to book a flight from Boise to Lexington

Have a flexible travel schedule? Discover the best time to fly to Lexington from Boise with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Boise to Lexington

What is the cheapest month to book a flight from Boise to Lexington?

Currently, August is the cheapest month in which you can book a flight from Boise to Lexington (average of $303). Flying from Boise to Lexington in April is currently the most expensive (average of $390). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from BOI to LEX?

Find hourly flight availability from Boise to Lexington. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 18, 2025.

It’s optimal to fly from Boise to Lexington at noon. By choosing this option you can save up to 29% on the cost of your flight, compared to a flight in the afternoon.

How much does it cost to fly round-trip from Boise to Lexington?

Reviews of airlines servicing Lexington

Get insights into the airlines that provide service to Lexington. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Lexington. Reviews last updated September 18, 2025.
Peruse reviews from past customers who have flown with Delta and United Airlines from Boise to Lexington to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,964 reviews

Entertainment

7.9

Boarding

8.2

Food

7.3

Comfort

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,964 reviews
Delta
8.0
Very good
7,964 reviews

Entertainment

7.9

Boarding

8.2

Food

7.3

Comfort

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,926 reviews
Delta
8.0
Very good
7,964 reviews

Entertainment

7.9

Boarding

8.2

Food

7.3

Comfort

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

Find useful and relevant information for your journey from Boise to Lexington. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Boise to Lexington?

    For as low as $379, Delta can have you in Lexington from Boise in 5h 32m. Boise and Lexington are separated by a distance of 1685 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from Boise to Lexington round-trip?

    Currently priced at $234, Delta will fly you from Boise to Lexington and back. In addition to Delta, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on United Airlines for as low as $384. You may be able to fly from Boise to Lexington for 52% less than the average price by searching for these airlines.

  • Can I find deals for flights from Boise to Lexington that include hotel bookings?

    Yes. In addition to deals on Boise to Lexington flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Boise to Lexington?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Boise to Lexington.

  • Can I find deals for business class flights from Boise to Lexington?

    Yes. Cheapflights offers flight deals from Boise to Lexington by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Boise to Lexington?

    Currently, August is the cheapest month in which you can book a flight from Boise to Lexington (average of $303). Flying from Boise to Lexington in April is currently the most expensive (average of $390). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Lexington?

Book flights to Lexington if you plan to visit one of these locations
Georgetown
Berea
Frankfort

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Top 2 airlines flying from Boise to Lexington

Discover the top 2 airlines that operate flights from Boise to Lexington. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$234Average$349FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$384Average$568FlexibilityNo cancel feeOn-time69%

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