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$204+ 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 8/30. Fares are subject to change and may not be available on all flights or dates of travel.
LEX — SAN
Aug 28 — Sep 41
Fri 8/28
Fri 9/4
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 July 29, 2026.

This American Airlines deal was found by Cheapflights users on 7/27. 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.
Sun 9/66:00 am
LEX
-
SAN
1 stop7h 20m
American Airlines
Wed 9/910:46 pm
SAN
-
LEX
1 stop8h 56m
American Airlines
Deal found 7/27$267
This United Airlines deal was found by Cheapflights users on 7/26. 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 8/266:15 pm
LEX
-
SAN
1 stop6h 55m
United Airlines
Tue 9/16:20 am
SAN
-
LEX
2 stops11h 08m
United Airlines
Deal found 7/26$272
This Delta deal was found by Cheapflights users on 7/26. 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 8/294:30 pm
LEX
-
SAN
1 stop9h 30m
Delta
Sat 9/510:25 pm
SAN
-
LEX
1 stop8h 44m
Delta
Deal found 7/26$277
This United Airlines deal was found by Cheapflights users on 7/28. 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 9/67:00 am
LEX
-
SAN
2 stops9h 44m
United Airlines
Wed 9/92:15 pm
SAN
-
LEX
1 stop6h 50m
United Airlines
Deal found 7/28$292
This United Airlines deal was found by Cheapflights users on 7/28. 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 9/17:00 am
LEX
-
SAN
2 stops10h 50m
United Airlines
Tue 9/82:15 pm
SAN
-
LEX
1 stop6h 50m
United Airlines
Deal found 7/28$301
This American Airlines deal was found by Cheapflights users on 7/26. 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 10/278:00 am
LEX
-
SAN
1 stop7h 21m
American Airlines
Mon 11/91:30 pm
SAN
-
LEX
1 stop7h 18m
American Airlines
Deal found 7/26$313
This Delta deal was found by Cheapflights users on 7/28. 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 10/223:34 pm
LEX
-
SAN
1 stop8h 44m
Delta
Wed 10/2811:31 am
SAN
-
LEX
1 stop6h 35m
Delta
Deal found 7/28$318
This Delta deal was found by Cheapflights users on 7/29. 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 9/1612:40 pm
LEX
-
SAN
1 stop9h 46m
Delta
Thu 9/2410:20 pm
SAN
-
LEX
1 stop8h 39m
Delta
Deal found 7/29$338
This American Airlines deal was found by Cheapflights users on 7/26. 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 9/246:01 pm
LEX
-
SAN
1 stop8h 24m
American Airlines
Sun 9/2710:46 pm
SAN
-
LEX
1 stop8h 56m
American Airlines
Deal found 7/26$359
This United Airlines deal was found by Cheapflights users on 7/24. 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 8/277:00 am
LEX
-
SAN
1 stop7h 15m
United Airlines
Mon 8/3110:13 am
SAN
-
LEX
2 stops10h 42m
United Airlines
Deal found 7/24$364

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 July 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$267
(American Airlines)

One-way from

$204
(Kiwi.com)

Popular in

December

Cheapest in

May

Average price

$462
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. 4% potential increase in price ($18 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($14 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 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 July 29, 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

Sun 9/6

7:00 am-1:44 pm

2 stops9h 44m

San Diego

Wed 9/9

2:15 pm-12:05 am

1 stop6h 50m

$272

LexingtonSan Diego

LEX - SAN

LEXSAN

Lexington Blue Grass

Tue 9/8

7:35 am-2:09 pm

1 stop9h 34m

San Diego

Sun 9/13

10:20 pm-9:59 am

1 stop8h 39m

$318

LexingtonSan Diego

LEX - SAN

LEXSAN

Lexington Blue Grass

Fri 9/4

6:12 pm-10:16 pm

1 stop7h 04m

San Diego

Mon 9/7

10:17 pm-9:59 am

1 stop8h 42m

$359
Quickest round-trip

LexingtonSan Diego

LEX - SAN

LEXSAN

Lexington Blue Grass

Thu 8/27

9:52 am-3:02 pm

1 stop8h 10m

San Diego

Mon 8/31

2:15 pm-11:55 pm

1 stop6h 40m

$359

LexingtonSan Diego

LEX - SAN

LEXSAN

Lexington Blue Grass

Sat 8/29

7:00 am-11:15 am

1 stop7h 15m

San Diego

Tue 9/1

9:49 am-11:55 pm

2 stops11h 06m

$372

LexingtonSan Diego

LEX - SAN

LEXSAN

Lexington Blue Grass

Sun 8/16

5:56 pm-11:00 pm

1 stop8h 04m

San Diego

Sat 8/22

6:15 am-5:21 pm

1 stop8h 06m

$394

LexingtonSan Diego

LEX - SAN

LEXSAN

Lexington Blue Grass

Tue 10/27

10:28 am-2:20 pm

1 stop6h 52m

San Diego

Mon 11/9

6:42 pm-10:12 am

2 stops12h 30m

$416

LexingtonSan Diego

LEX - SAN

LEXSAN

Lexington Blue Grass

Fri 8/14

9:52 am-5:26 pm

2 stops10h 34m

San Diego

Sat 8/15

12:33 pm-10:38 pm

1 stop7h 05m

$417
Cheapest one-way

LexingtonSan Diego

LEX - SAN

LEXSAN

Lexington Blue Grass

Mon 8/17

5:56 pm-11:00 pm

1 stop8h 04m

$379

LexingtonSan Diego

LEX - SAN

LEXSAN

Lexington Blue Grass

Sun 10/4

7:35 am-2:09 pm

1 stop9h 34m

$379

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/25

Showing 1-10 of 20 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 July.
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?

The best time to book flights from Lexington to San Diego is 41 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, May is the cheapest month in which you can book a flight from Lexington to San Diego (average of $276). Flying from Lexington to San Diego in December is currently the most expensive (average of $573). 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.

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

Airfare is below average for this route at the moment.

Lexington to San Diego flights typically cost between $293 and $368 in September.
The cheapest round-trip price found within the last 5 days was $267 on American Airlines (Sep 6-Sep 9).

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 July 29, 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
7.8
Good
8,486 reviews

Boarding

8.1

Food

7.2

Entertainment

7.8

Comfort

7.8

Crew

8.5

Overall

7.8

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
7.8
Good
8,486 reviews
Delta
7.8
Good
8,486 reviews

Boarding

8.1

Food

7.2

Entertainment

7.8

Comfort

7.8

Crew

8.5

Overall

7.8

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
10,052 reviews
Delta
7.8
Good
8,486 reviews

Boarding

8.1

Food

7.2

Entertainment

7.8

Comfort

7.8

Crew

8.5

Overall

7.8

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
11,839 reviews
Delta
7.8
Good
8,486 reviews

Boarding

8.1

Food

7.2

Entertainment

7.8

Comfort

7.8

Crew

8.5

Overall

7.8

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 9h 34m. United Airlines provides one of the quickest options available for as low as $318. 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 ($236), United Airlines ($276), and Delta ($277) offers the cheapest pricing from Lexington to San Diego. American Airlines is priced at 44% 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 $149 on Delta. Other airlines that offer cheap prices include United Airlines from $163 and American Airlines from $258 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, May is the cheapest month in which you can book a flight from Lexington to San Diego (average of $276). Flying from Lexington to San Diego in December is currently the most expensive (average of $573). 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
National City
Chula Vista
Poway
La Mesa
Coronado
Santee
San Ysidro
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 July 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$236Average$389FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$276Average$428FlexibilityNo cancel feeOn-time69%
DeltaCheapest$277Average$418FlexibilityNo cancel feeOn-timeN/A

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