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$194+ 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 4/5. Fares are subject to change and may not be available on all flights or dates of travel.
LEX — SAN
Apr 17 — Apr 241
Fri 4/17
Fri 4/24
1 adult, Economy
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Cheap 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 March 18, 2026.

This American Airlines deal was found by Cheapflights users on 3/13. 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 4/154:27 pm
LEX
-
SAN
1 stop10h 06m
American Airlines
Tue 4/2110:40 pm
SAN
-
LEX
1 stop8h 51m
American Airlines
Deal found 3/13$257
This American Airlines deal was found by Cheapflights users on 3/17. 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.
Wed 5/137:00 am
LEX
-
SAN
1 stop10h 18m
American Airlines
Wed 5/271:19 pm
SAN
-
LEX
1 stop7h 14m
American Airlines
Deal found 3/17$261
This United Airlines deal was found by Cheapflights users on 3/15. 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.
Tue 5/55:30 am
LEX
-
SAN
1 stop7h 12m
United Airlines
Tue 5/1210:55 am
SAN
-
LEX
2 stops8h 32m
United Airlines
Deal found 3/15$282
This American Airlines deal was found by Cheapflights users on 3/13. 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 5/134:27 pm
LEX
-
SAN
1 stop10h 06m
American Airlines
Mon 5/1810:40 pm
SAN
-
LEX
1 stop8h 51m
American Airlines
Deal found 3/13$303
This American Airlines deal was found by Cheapflights users on 3/16. 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.
Fri 5/228:07 pm
LEX
-
SAN
1 stop6h 52m
American Airlines
Wed 5/271:19 pm
SAN
-
LEX
1 stop7h 14m
American Airlines
Deal found 3/16$313
This American Airlines deal was found by Cheapflights users on 3/17. 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.
Wed 7/86:49 pm
LEX
-
SAN
1 stop7h 39m
American Airlines
Wed 7/151:11 pm
SAN
-
LEX
1 stop7h 38m
American Airlines
Deal found 3/17$318
This United Airlines deal was found by Cheapflights users on 3/16. 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.
Fri 4/175:30 am
LEX
-
SAN
1 stop7h 10m
United Airlines
Wed 4/2210:30 pm
SAN
-
LEX
1 stop7h 50m
United Airlines
Deal found 3/16$323
This United Airlines deal was found by Cheapflights users on 3/13. 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.
Tue 4/75:30 am
LEX
-
SAN
2 stops10h 22m
United Airlines
Tue 8/1812:33 pm
SAN
-
LEX
1 stop7h 00m
United Airlines
Deal found 3/13$328
This Delta deal was found by Cheapflights users on 3/16. 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 9/21:30 pm
LEX
-
SAN
1 stop9h 28m
Delta
Mon 9/72:00 pm
SAN
-
LEX
1 stop6h 55m
Delta
Deal found 3/16$333
This United Airlines deal was found by Cheapflights users on 3/17. 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 4/185:30 am
LEX
-
SAN
1 stop7h 10m
United Airlines
Wed 4/2210:30 pm
SAN
-
LEX
1 stop7h 50m
United Airlines
Deal found 3/17$347
This Delta deal was found by Cheapflights users on 3/13. 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 7/85:50 pm
LEX
-
SAN
1 stop6h 54m
Delta
Wed 7/1510:30 pm
SAN
-
LEX
1 stop8h 46m
Delta
Deal found 3/13$348

Find 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 March 18, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$257
(American Airlines)

One-way from

$194
(Kiwi.com)

Popular in

March

Cheapest in

May

Average price

$574
Provider with most accurate pricing for Lexington Blue Grass-San Diego flight deals.
Search Deals
Provider most trusted by Cheapflights users for Lexington Blue Grass-San Diego flights.
Search Deals
From Lexington Blue Grass to San Diego
Search Deals
One-way flight from Lexington Blue Grass to San Diego
Search Deals
Highest demand for flights based on searches. 21% potential increase in price ($115 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($15 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

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 March 18, 2026.
Use the filters below to find and compare flights from Lexington to San Diego that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LexingtonSan Diego

LEX - SAN

LEXSAN

Lexington Blue Grass

Wed 9/2

3:45 pm-7:58 pm

1 stop7h 13m

San Diego

Mon 9/7

10:30 pm-10:16 am

1 stop8h 46m

$333
Quickest round-trip

LexingtonSan Diego

LEX - SAN

LEXSAN

Lexington Blue Grass

Sat 4/18

5:30 am-9:40 am

1 stop7h 10m

San Diego

Wed 4/22

10:30 pm-9:20 am

1 stop7h 50m

$347

LexingtonSan Diego

LEX - SAN

LEXSAN

Lexington Blue Grass

Thu 9/3

1:30 pm-7:58 pm

1 stop9h 28m

San Diego

Mon 9/7

10:30 pm-10:16 am

1 stop8h 46m

$369

LexingtonSan Diego

LEX - SAN

LEXSAN

Lexington Blue Grass

Sat 5/23

5:15 am-9:28 am

1 stop7h 13m

San Diego

Sat 5/30

8:32 pm-9:16 am

2 stops9h 44m

$372

LexingtonSan Diego

LEX - SAN

LEXSAN

Lexington Blue Grass

Wed 5/13

7:00 am-5:24 pm

2 stops13h 24m

San Diego

Sat 5/23

8:32 pm-9:16 am

2 stops9h 44m

$377

LexingtonSan Diego

LEX - SAN

LEXSAN

Lexington Blue Grass

Fri 4/24

6:01 pm-10:59 pm

1 stop7h 58m

San Diego

Sun 4/26

8:37 pm-9:20 am

2 stops9h 43m

$400

LexingtonSan Diego

LEX - SAN

LEXSAN

Lexington Blue Grass

Wed 5/13

7:00 am-11:25 am

1 stop7h 25m

San Diego

Mon 5/18

9:45 pm-1:18 pm

2 stops12h 33m

$418
Cheapest one-way

LexingtonSan Diego

LEX - SAN

LEXSAN

Lexington Blue Grass

Sun 4/5

10:21 pm-4:25 pm

1 stop21h 04m

$194

LexingtonSan Diego

LEX - SAN

LEXSAN

Lexington Blue Grass

Thu 3/26

10:15 pm-4:13 pm

1 stop20h 58m

$218

LexingtonSan Diego

LEX - SAN

LEXSAN

Lexington Blue Grass

Fri 6/12

5:00 pm-6:37 pm

2 stops28h 37m

$237

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/17

Showing 1-10 of 17 resultsSorted by cheapest first
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 March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*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 FlightHub the most. FlightHub 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 March 13, 2026.

The best time to book flights from Lexington to San Diego is 42 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 March is currently the most expensive (average of $230). 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 March 18, 2026.
See what other customers who have flown with Delta,United Airlines, andAmerican 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
8,286 reviews

Boarding

8.1

Crew

8.5

Entertainment

7.8

Comfort

7.9

Food

7.2

Overall

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
7.9
Good
8,286 reviews
Delta
7.9
Good
8,286 reviews

Boarding

8.1

Crew

8.5

Entertainment

7.8

Comfort

7.9

Food

7.2

Overall

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
9,435 reviews
Delta
7.9
Good
8,286 reviews

Boarding

8.1

Crew

8.5

Entertainment

7.8

Comfort

7.9

Food

7.2

Overall

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
7.1
Good
11,468 reviews
Delta
7.9
Good
8,286 reviews

Boarding

8.1

Crew

8.5

Entertainment

7.8

Comfort

7.9

Food

7.2

Overall

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.

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

    A quick flight from Lexington to San Diego can take about 7h 10m. Delta provides one of the quickest options available for as low as $347. The distance between Lexington and San Diego is about 1861 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    According to our current data, American Airlines ($216), United Airlines ($252), and Delta ($282) offers the cheapest pricing from Lexington to San Diego. American Airlines is priced at 47% 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 March is currently the most expensive (average of $230). 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 March 18, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$216Average$374FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$252Average$378FlexibilityNo cancel feeOn-time69%
DeltaCheapest$282Average$378FlexibilityNo cancel feeOn-timeN/A

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