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Lexington

$236+ Cheap flights from San Diego to Lexington (SAN - LEX)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/10. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — LEX
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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1. Tell us where you want to go

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Cheapflights Tip: The best prices from San Diego to Lexington Blue Grass are usually found in January or July, booked 79 days in advance, depart on a Wednesday or Saturday and return on a Wednesday

Cheap flight deals from San Diego to Lexington

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

This Delta deal was found by Cheapflights users on 12/17. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/1710:00 pmSAN - LEX
1 stop8h 52mDelta
Mon 12/226:20 amLEX - SAN
1 stop7h 22mDelta
Deal found 12/17$429
This Delta deal was found by Cheapflights users on 12/17. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1812:24 pmSAN - LEX
1 stop8h 44mDelta
Mon 12/225:37 pmLEX - SAN
1 stop7h 32mDelta
Deal found 12/17$519
This American Airlines deal was found by Cheapflights users on 12/17. 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.
Mon 12/2910:42 amSAN - LEX
1 stop8h 23mAmerican Airlines
Fri 1/27:20 pmLEX - SAN
1 stop7h 39mAmerican Airlines
Deal found 12/17$582
This United Airlines deal was found by Cheapflights users on 12/17. 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 12/186:30 amSAN - LEX
2 stops11h 34mUnited Airlines
Mon 12/225:48 pmLEX - SAN
1 stop8h 03mUnited Airlines
Deal found 12/17$614
This Delta deal was found by Cheapflights users on 12/17. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/196:15 amSAN - LEX
1 stop7h 13mDelta
Mon 12/225:37 pmLEX - SAN
2 stops24h 56mDelta
Deal found 12/17$678
This Alaska Airlines deal was found by Cheapflights users on 12/15. 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.
Tue 12/309:15 pmSAN - LEX
2 stops18h 10mAlaska Airlines
Sat 1/36:55 pmLEX - SAN
1 stop7h 49mAlaska Airlines
Deal found 12/15$684
This United Airlines deal was found by Cheapflights users on 12/17. 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.
Mon 12/2910:56 amSAN - LEX
1 stop7h 08mUnited Airlines
Fri 1/25:48 pmLEX - SAN
2 stops19h 42mUnited Airlines
Deal found 12/17$687
This Alaska Airlines deal was found by Cheapflights users on 12/15. 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.
Sun 12/288:05 amSAN - LEX
1 stop7h 20mAlaska Airlines
Fri 1/26:55 pmLEX - SAN
1 stop7h 49mAlaska Airlines
Deal found 12/15$727
This United Airlines deal was found by Cheapflights users on 12/15. 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.
Sun 12/284:10 pmSAN - LEX
2 stops18h 06mUnited Airlines
Fri 1/26:00 amLEX - SAN
1 stop8h 30mUnited Airlines
Deal found 12/15$777

Find flight deals from San Diego to Lexington

Discover tips and strategies to find the most affordable flight options for your journey from San Diego (SAN) 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 December 18, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$217
(American Airlines)

Popular in

December

Cheapest in

January

Average price

$739
Provider with most accurate pricing for San Diego-Lexington Blue Grass flight deals.
Search Deals
Provider most trusted by Cheapflights users for San Diego-Lexington Blue Grass flights.
Search Deals
From San Diego to Lexington Blue Grass
Search Deals
Highest demand for flights based on searches. 18% potential increase in price ($86 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 8% potential price decrease ($32 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Diego 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 December 18, 2025.
Use the filters below to find and compare flights from San Diego to Lexington that are best for you.

Fly from

San Diego

Fly to

Lexington

Route

Depart

Return

Price

San DiegoLexington

SAN - LEX

SANLEX

San Diego

Fri 1/23

12:40 pm-11:15 pm

1 stop7h 35m

Lexington Blue Grass

Wed 5/27

6:56 am-10:42 am

1 stop6h 46m

$263

San DiegoLexington

SAN - LEX

SANLEX

San Diego

Sat 2/7

10:09 am-10:10 pm

2 stops9h 01m

Lexington Blue Grass

Sat 2/14

1:59 pm-7:17 pm

2 stops8h 18m

$288

San DiegoLexington

SAN - LEX

SANLEX

San Diego

Fri 1/23

10:30 pm-9:42 am

1 stop8h 12m

Lexington Blue Grass

Sat 3/21

5:47 pm-10:49 pm

1 stop8h 02m

$293

San DiegoLexington

SAN - LEX

SANLEX

San Diego

Thu 1/8

8:05 am-8:01 pm

1 stop8h 56m

Lexington Blue Grass

Sat 1/17

5:18 pm-10:45 pm

1 stop8h 27m

$293

San DiegoLexington

SAN - LEX

SANLEX

San Diego

Fri 1/23

10:30 pm-9:42 am

1 stop8h 12m

Lexington Blue Grass

Wed 2/18

6:00 am-10:06 am

1 stop7h 06m

$293

San DiegoLexington

SAN - LEX

SANLEX

San Diego

Fri 1/23

10:30 pm-9:42 am

1 stop8h 12m

Lexington Blue Grass

Tue 3/24

12:39 pm-6:51 pm

1 stop9h 12m

$293

San DiegoLexington

SAN - LEX

SANLEX

San Diego

Mon 1/12

11:10 am-10:30 pm

1 stop8h 20m

Lexington Blue Grass

Sun 1/18

2:00 pm-9:56 pm

2 stops10h 56m

$298

San DiegoLexington

SAN - LEX

SANLEX

San Diego

Thu 2/19

11:16 am-8:42 pm

1 stop6h 26m

Lexington Blue Grass

Mon 2/23

5:35 pm-11:02 pm

1 stop8h 27m

$309

San DiegoLexington

SAN - LEX

SANLEX

San Diego

Fri 1/23

10:30 pm-9:42 am

1 stop8h 12m

Lexington Blue Grass

Sun 5/24

6:00 am-10:00 am

1 stop7h 00m

$309

San DiegoLexington

SAN - LEX

SANLEX

San Diego

Fri 1/23

10:30 pm-9:42 am

1 stop8h 12m

Lexington Blue Grass

Mon 2/23

5:35 pm-11:02 pm

1 stop8h 27m

$309

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

Showing 1-10 of 17 results
1
2

Compare providers for flights from San Diego to Lexington

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from San Diego to Lexington in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on San Diego-Lexington flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on San Diego-Lexington flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from San Diego-Lexington flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on San Diego-Lexington flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for San Diego-Lexington flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from San Diego to Lexington

Have a flexible travel schedule? Discover the best time to fly to Lexington from San Diego 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 San Diego to Lexington

How far ahead should I book a flight from San Diego to Lexington?

Use this chart to determine the optimal time to book a round-trip flight from San Diego to Lexington. Price data was last updated on December 12, 2025.

The price you pay for your flight from San Diego to Lexington may vary depending on when you book. For the best chance of a lower fare, look to book 78 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, June is the cheapest month in which you can book a flight from San Diego to Lexington (average of $71). Flying from San Diego to Lexington in April is currently the most expensive (average of $270). 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 SAN to LEX?

Find hourly flight availability from San Diego 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 December 18, 2025.

When flying from San Diego to Lexington, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 34% versus a flight in the morning.

How much does it cost to fly round-trip from San Diego 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 December 18, 2025.
Peruse reviews from past customers who have flown with Delta, United Airlines, and American Airlines from San Diego 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
7.9
Good
8,005 reviews

Crew

8.5

Boarding

8.1

Food

7.3

Overall

7.9

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Michael,Sep 2023

SMF - ATL

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin
Delta
7.9
Good
8,005 reviews
Delta
7.9
Good
8,005 reviews

Crew

8.5

Boarding

8.1

Food

7.3

Overall

7.9

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Michael,Sep 2023

SMF - ATL

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin
United Airlines
7.4
Good
9,091 reviews
Delta
7.9
Good
8,005 reviews

Crew

8.5

Boarding

8.1

Food

7.3

Overall

7.9

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Michael,Sep 2023

SMF - ATL

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin
American Airlines
7.2
Good
11,054 reviews
Delta
7.9
Good
8,005 reviews

Crew

8.5

Boarding

8.1

Food

7.3

Overall

7.9

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Michael,Sep 2023

SMF - ATL

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin

Related info for your journey

Find useful and relevant information for your journey from San Diego 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 San Diego to Lexington?

    There are many flights that can get you from San Diego to Lexington in 7h 35m. Fly via American Airlines or Delta to get the fastest option. The distance from San Diego to Lexington is about 1861 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    According to our current data, American Airlines ($252), United Airlines ($288), and Delta ($288) offers the cheapest pricing from San Diego to Lexington. American Airlines is currently priced 35% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from San Diego to Lexington one-way?

    The cheapest airlines for a one-way flight from San Diego to Lexington are American Airlines ($108), Delta ($149), and United Airlines ($293).

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

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

  • How can I find direct flights from San Diego to Lexington?

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

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

    Yes. Cheapflights offers flight deals from San Diego 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 San Diego to Lexington?

    Currently, June is the cheapest month in which you can book a flight from San Diego to Lexington (average of $71). Flying from San Diego to Lexington in April is currently the most expensive (average of $270). 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
Somerset
Berea
Georgetown
Frankfort

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Top 3 airlines flying from San Diego to Lexington

Discover the top 3 airlines that operate flights from San Diego 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 December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$252Average$377FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$288Average$428FlexibilityNo cancel feeOn-time69%
DeltaCheapest$288Average$335FlexibilityNo cancel feeOn-timeN/A

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