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$208+ 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 4/9. Fares are subject to change and may not be available on all flights or dates of travel.
LEX — SAN
Feb 17 — Feb 241
Tue 2/17
Tue 2/24
1 adult, Economy
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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 January 18, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$217
(American Airlines)

One-way from

$208
(Kiwi.com)

Popular in

April

Cheapest in

August

Average price

$394
Provider with most accurate pricing for Lexington Blue Grass-San Diego flight deals.
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Provider most trusted by Cheapflights users for Lexington Blue Grass-San Diego flights.
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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. 11% potential increase in price ($54 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($12 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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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 January 18, 2026.

This American Airlines deal was found by Cheapflights users on 1/16. 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.
Wed 2/185:13 pm
LEX
-
SAN
1 stop8h 21m
American Airlines
Sat 2/2110:35 pm
SAN
-
LEX
1 stop7h 53m
American Airlines
Deal found 1/16$217
This American Airlines deal was found by Cheapflights users on 1/15. 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 4/84:27 pm
LEX
-
SAN
1 stop9h 49m
American Airlines
Mon 4/1310:45 pm
SAN
-
LEX
1 stop9h 13m
American Airlines
Deal found 1/15$263
This Delta deal was found by Cheapflights users on 1/16. 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.
Wed 5/135:55 pm
LEX
-
SAN
1 stop8h 03m
Delta
Sat 5/236:15 am
SAN
-
LEX
1 stop7h 55m
Delta
Deal found 1/16$277
This Delta deal was found by Cheapflights users on 1/16. 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.
Wed 9/23:45 pm
LEX
-
SAN
1 stop9h 59m
Delta
Mon 9/710:30 pm
SAN
-
LEX
1 stop8h 46m
Delta
Deal found 1/16$293
This United Airlines deal was found by Cheapflights users on 1/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/1810:35 am
LEX
-
SAN
2 stops9h 54m
United Airlines
Sat 2/2111:30 am
SAN
-
LEX
1 stop7h 48m
United Airlines
Deal found 1/16$295
This Delta deal was found by Cheapflights users on 1/16. 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.
Sat 5/233:45 pm
LEX
-
SAN
1 stop10h 13m
Delta
Sat 5/3010:30 pm
SAN
-
LEX
1 stop8h 46m
Delta
Deal found 1/16$306
This Delta deal was found by Cheapflights users on 1/16. 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.
Thu 9/33:45 pm
LEX
-
SAN
1 stop8h 34m
Delta
Mon 9/79:40 pm
SAN
-
LEX
1 stop8h 44m
Delta
Deal found 1/16$309
This American Airlines deal was found by Cheapflights users on 1/17. 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.
Tue 5/267:24 pm
LEX
-
SAN
1 stop7h 05m
American Airlines
Sat 5/3010:45 pm
SAN
-
LEX
1 stop9h 41m
American Airlines
Deal found 1/17$337
This Delta deal was found by Cheapflights users on 1/16. 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.
Wed 7/85:55 pm
LEX
-
SAN
1 stop7h 49m
Delta
Wed 7/1510:55 am
SAN
-
LEX
1 stop7h 28m
Delta
Deal found 1/16$348
This Delta deal was found by Cheapflights users on 1/16. 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.
Tue 1/205:35 pm
LEX
-
SAN
1 stop7h 56m
Delta
Fri 1/3010:00 pm
SAN
-
LEX
1 stop8h 57m
Delta
Deal found 1/16$349
This United Airlines deal was found by Cheapflights users on 1/17. 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.
Sat 10/315:50 pm
LEX
-
SAN
1 stop6h 57m
United Airlines
Sat 11/77:00 am
SAN
-
LEX
2 stops10h 23m
United Airlines
Deal found 1/17$354

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 January 18, 2026.
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 4/15

5:48 pm-10:49 pm

1 stop8h 01m

San Diego

Fri 4/24

10:10 pm-10:08 am

1 stop8h 58m

$293

LexingtonSan Diego

LEX - SAN

LEXSAN

Lexington Blue Grass

Wed 4/22

4:53 pm-11:10 pm

1 stop9h 17m

San Diego

Mon 4/27

10:10 pm-10:08 am

1 stop8h 58m

$293

LexingtonSan Diego

LEX - SAN

LEXSAN

Lexington Blue Grass

Sat 5/23

3:45 pm-10:58 pm

1 stop10h 13m

San Diego

Sat 5/30

6:15 am-5:10 pm

1 stop7h 55m

$306

LexingtonSan Diego

LEX - SAN

LEXSAN

Lexington Blue Grass

Thu 3/5

5:35 pm-11:02 pm

1 stop8h 27m

San Diego

Sun 3/8

10:30 pm-9:20 am

1 stop7h 50m

$309

LexingtonSan Diego

LEX - SAN

LEXSAN

Lexington Blue Grass

Sat 2/14

10:27 am-4:00 pm

2 stops8h 33m

San Diego

Tue 2/17

10:35 pm-9:28 am

1 stop7h 53m

$333

LexingtonSan Diego

LEX - SAN

LEXSAN

Lexington Blue Grass

Wed 7/8

5:55 pm-10:44 pm

1 stop7h 49m

San Diego

Wed 7/15

2:00 pm-11:55 pm

1 stop6h 55m

$348

LexingtonSan Diego

LEX - SAN

LEXSAN

Lexington Blue Grass

Thu 6/11

3:45 pm-9:34 pm

1 stop8h 49m

San Diego

Sun 6/14

10:30 pm-10:16 am

1 stop8h 46m

$364

LexingtonSan Diego

LEX - SAN

LEXSAN

Lexington Blue Grass

Mon 6/1

5:55 pm-10:58 pm

1 stop8h 03m

San Diego

Mon 6/8

9:40 pm-9:24 am

1 stop8h 44m

$364

LexingtonSan Diego

LEX - SAN

LEXSAN

Lexington Blue Grass

Wed 4/22

10:15 am-6:05 pm

2 stops10h 50m

San Diego

Mon 4/27

6:20 am-5:02 pm

1 stop7h 42m

$365

LexingtonSan Diego

LEX - SAN

LEXSAN

Lexington Blue Grass

Fri 2/13

7:10 pm-11:59 pm

1 stop7h 49m

San Diego

Tue 2/17

10:35 pm-9:28 am

1 stop7h 53m

$373

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/16

Showing 1-10 of 19 results
1
2

Compare providers for flights from Lexington to San Diego

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 Lexington to San Diego in January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 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 Lexington-San Diego flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Lexington-San Diego flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Lexington-San Diego flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Lexington-San Diego flights, Cheapflights users trust Expedia the most. Expedia 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 Lexington-San Diego 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 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 January 16, 2026.

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 $100). Flying from Lexington to San Diego in December is currently the most expensive (average of $209). 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.

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 January 18, 2026.
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
7.9
Good
8,075 reviews

Comfort

7.9

Overall

7.9

Boarding

8.1

Entertainment

7.8

Food

7.2

Crew

8.5

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
7.9
Good
8,075 reviews
Delta
7.9
Good
8,075 reviews

Comfort

7.9

Overall

7.9

Boarding

8.1

Entertainment

7.8

Food

7.2

Crew

8.5

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
9,177 reviews
Delta
7.9
Good
8,075 reviews

Comfort

7.9

Overall

7.9

Boarding

8.1

Entertainment

7.8

Food

7.2

Crew

8.5

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
11,160 reviews
Delta
7.9
Good
8,075 reviews

Comfort

7.9

Overall

7.9

Boarding

8.1

Entertainment

7.8

Food

7.2

Crew

8.5

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.

  • How long is the flight from Lexington to San Diego?

    A quick flight from Lexington to San Diego can take about 6h 54m. Delta provides one of the quickest options available for as low as $277. The distance between Lexington and San Diego is about 1861 mi.

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

    According to our current data, American Airlines ($216), United Airlines ($276), and Delta ($288) 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.

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

    One-way options have recently been found by users for as low as $138 on United Airlines. Other airlines that offer cheap prices include Delta from $149 and American Airlines from $237 one-way.

  • 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 $100). Flying from Lexington to San Diego in December is currently the most expensive (average of $209). 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
National City
Coronado
La Mesa
Poway
Julian
Lemon Grove

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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 January 18, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$216Average$395FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$276Average$425FlexibilityNo cancel feeOn-time69%
DeltaCheapest$288Average$343FlexibilityNo cancel feeOn-timeN/A

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