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$156+ Cheap flights from Lexington to San Diego (LEX - SAN)

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 2/5. Fares are subject to change and may not be available on all flights or dates of travel.
LEX — SAN
Aug 22 — Aug 291
Fri 8/22
Fri 8/29
1 adult, Economy
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Cheapflights Tip: The best prices from Lexington Blue Grass to San Diego are usually found in August or July, booked 84 days in advance, depart on a Wednesday or Saturday and return on a Wednesday

Cheap flight deals from Lexington to San Diego

Discover tips and strategies to find the most affordable flight options for your journey from Lexington (LEX) to San Diego (SAN). 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 August 17, 2025.

Round-trip from

$217
(American Airlines)

One-way from

$156
(Kiwi.com)

Popular in

December

Cheapest in

August

Average price

$298
From Lexington Blue Grass to San Diego
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One-way flight from Lexington Blue Grass to San Diego
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Highest demand for flights based on searches. 9% potential increase in price ($43 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($11 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find flight deals from Lexington to San Diego

Cheapest flights from Lexington to San Diego
Explore the most affordable flight options available from Lexington to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 17, 2025.

This American Airlines deal was found by Cheapflights users on 8/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/106:33 amLEX - SAN
1 stop7h 33mAmerican Airlines
Wed 1/712:13 pmSAN - LEX
1 stop8h 44mAmerican Airlines
Deal found 8/15$221
This Mytrip deal was found by Cheapflights users on 8/15. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/3010:19 pmLEX - SAN
1 stop12h 07mMultiple Airlines
Sun 11/25:15 amSAN - LEX
1 stop12h 14mMultiple Airlines
Deal found 8/15$238
This American Airlines deal was found by Cheapflights users on 8/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/302:15 pmLEX - SAN
1 stop8h 49mAmerican Airlines
Wed 9/31:02 pmSAN - LEX
1 stop7h 01mAmerican Airlines
Deal found 8/15$258
This American Airlines deal was found by Cheapflights users on 8/14. 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 10/3010:49 amLEX - SAN
1 stop10h 17mAmerican Airlines
Mon 11/310:23 pmSAN - LEX
1 stop8h 53mAmerican Airlines
Deal found 8/14$289
This American Airlines deal was found by Cheapflights users on 8/14. 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.
Tue 9/25:40 amLEX - SAN
1 stop7h 07mAmerican Airlines
Mon 9/81:17 pmSAN - LEX
1 stop7h 11mAmerican Airlines
Deal found 8/14$294
This United Airlines deal was found by Cheapflights users on 8/15. 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.
Sat 9/276:01 pmLEX - SAN
1 stop7h 13mUnited Airlines
Thu 10/22:11 pmSAN - LEX
1 stop6h 48mUnited Airlines
Deal found 8/15$298
This American Airlines deal was found by Cheapflights users on 8/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/166:41 amLEX - SAN
1 stop6h 06mAmerican Airlines
Sat 8/2311:29 amSAN - LEX
1 stop9h 26mAmerican Airlines
Deal found 8/15$299
This United Airlines deal was found by Cheapflights users on 8/15. 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.
Sat 8/301:59 pmLEX - SAN
1 stop7h 21mUnited Airlines
Wed 9/37:00 amSAN - LEX
2 stops10h 48mUnited Airlines
Deal found 8/15$304
This Alaska Airlines deal was found by Cheapflights users on 8/16. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2911:12 amLEX - SAN
2 stops12h 26mAlaska Airlines
Sat 11/112:45 pmSAN - LEX
1 stop7h 36mAlaska Airlines
Deal found 8/16$312

Cheapflights Fare Finder

 
Customize your flight search to find flights from Lexington to San Diego 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 August 17, 2025.
Use the filters below to find and compare flights from Lexington to San Diego that are best for you.

Fly from

Lexington

Fly to

San Diego

Route

Depart

Return

Price

LexingtonSan Diego

LEX - SAN

LEXSAN

Lexington Blue Grass

Wed 12/10

6:33 am-11:06 am

1 stop7h 33m

San Diego

Wed 1/7

12:13 pm-11:57 pm

1 stop8h 44m

$221

LexingtonSan Diego

LEX - SAN

LEXSAN

Lexington Blue Grass

Thu 10/30

10:19 pm-7:26 am

1 stop12h 07m

San Diego

Sun 11/2

5:15 am-8:29 pm

1 stop12h 14m

$238

LexingtonSan Diego

LEX - SAN

LEXSAN

Lexington Blue Grass

Thu 12/11

7:09 pm-10:50 pm

1 stop6h 41m

San Diego

Tue 1/6

11:00 pm-10:36 am

1 stop8h 36m

$258

LexingtonSan Diego

LEX - SAN

LEXSAN

Lexington Blue Grass

Wed 10/29

6:39 pm-10:24 pm

1 stop6h 45m

San Diego

Sat 11/1

2:29 pm-12:20 am

1 stop6h 51m

$258

LexingtonSan Diego

LEX - SAN

LEXSAN

Lexington Blue Grass

Sat 8/30

2:15 pm-8:04 pm

1 stop8h 49m

San Diego

Wed 9/3

1:02 pm-11:03 pm

1 stop7h 01m

$258

LexingtonSan Diego

LEX - SAN

LEXSAN

Lexington Blue Grass

Thu 10/30

10:49 am-6:06 pm

1 stop10h 17m

San Diego

Mon 11/3

10:23 pm-10:16 am

1 stop8h 53m

$289

LexingtonSan Diego

LEX - SAN

LEXSAN

Lexington Blue Grass

Fri 9/12

4:41 pm-8:20 pm

1 stop6h 39m

San Diego

Sun 9/14

10:38 pm-10:39 am

1 stop9h 01m

$289

LexingtonSan Diego

LEX - SAN

LEXSAN

Lexington Blue Grass

Tue 9/2

5:40 am-9:47 am

1 stop7h 07m

San Diego

Mon 9/8

1:17 pm-11:28 pm

1 stop7h 11m

$294

LexingtonSan Diego

LEX - SAN

LEXSAN

Lexington Blue Grass

Sat 9/27

6:01 pm-10:14 pm

1 stop7h 13m

San Diego

Thu 10/2

2:11 pm-11:59 pm

1 stop6h 48m

$298

LexingtonSan Diego

LEX - SAN

LEXSAN

Lexington Blue Grass

Thu 2/5

2:07 pm-6:09 pm

1 stop31h 02m

$156

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/16

Showing 1-10 of 18 results
1
2

Best time to book a flight from Lexington to San Diego

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

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

Use this chart to determine the optimal time to book a round-trip flight from Lexington to San Diego. Price data was last updated on August 8, 2025.

The best time to book flights from Lexington to San Diego is 84 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, August is the cheapest month in which you can book a flight from Lexington to San Diego (average of $286). Flying from Lexington to San Diego in March is currently the most expensive (average of $366). 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 LEX to SAN?

Find hourly flight availability from Lexington to San Diego. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 17, 2025.

A simple way to save on the total cost of your ticket is to fly from Lexington to San Diego in the afternoon. If you’re flexible enough to do this you can expect to save up to 10% on your trip compared to booking a flight in the morning.

What is the cheapest day to fly from Lexington to San Diego?

Use this chart to determine the cheapest time to fly round-trip from Lexington to San Diego. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Lexington to San Diego flight should consider departing on Wednesday afternoons when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing San Diego

Get insights into the airlines that provide service to San Diego. 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 San Diego. Reviews last updated August 17, 2025.
See what other customers who have flown with Delta, United Airlines, and American Airlines from Lexington to San Diego have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,986 reviews

Comfort

7.9

Food

7.3

Boarding

8.2

Crew

8.5

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,986 reviews
Delta
8.0
Very good
7,986 reviews

Comfort

7.9

Food

7.3

Boarding

8.2

Crew

8.5

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
United Airlines
7.4
Good
8,919 reviews
Delta
8.0
Very good
7,986 reviews

Comfort

7.9

Food

7.3

Boarding

8.2

Crew

8.5

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,986 reviews

Comfort

7.9

Food

7.3

Boarding

8.2

Crew

8.5

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

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

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

    According to our current data, American Airlines ($221), United Airlines ($282), and Delta ($282) offers the cheapest pricing from Lexington to San Diego. American Airlines is priced at 45% lower than the current average price of a flight leaving 3 months from now.

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

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from Lexington to San Diego (average of $286). Flying from Lexington to San Diego in March is currently the most expensive (average of $366). 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 San Diego?

Book flights to San Diego if you plan to visit one of these locations
El Cajon
Chula Vista
Coronado
La Mesa
Poway
National City
Lemon Grove
Imperial Beach
Alpine

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Top 3 airlines flying from Lexington to San Diego

Discover the top 3 airlines that operate flights from Lexington to San Diego. 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 August 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$221Average$387FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$282Average$441FlexibilityNo cancel feeOn-time69%
DeltaCheapest$282Average$365FlexibilityNo cancel feeOn-timeN/A

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