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$258+ 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 12/22. Fares are subject to change and may not be available on all flights or dates of travel.
LEX — SAN
Dec 3 — Dec 101
Wed 12/3
Wed 12/10
1 adult, Economy
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Find cheap flights from Lexington to San Diego with Cheapflights

1. Tell us where you want to go

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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 November 3, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$217
(American Airlines)

Popular in

December

Cheapest in

August

Average price

$383
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
Highest demand for flights based on searches. 7% potential increase in price ($30 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($14 potential savings vs. average RT price).
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Average for round-trip flights in November 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 November 3, 2025.

This Delta deal was found by Cheapflights users on 11/2. 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 12/63:41 pmLEX - SAN
1 stop8h 37mDelta
Wed 12/102:19 pmSAN - LEX
1 stop6h 49mDelta
Deal found 11/2$277
This American Airlines deal was found by Cheapflights users on 11/1. 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 12/127:00 amLEX - SAN
1 stop8h 41mAmerican Airlines
Sun 12/146:15 amSAN - LEX
1 stop9h 13mAmerican Airlines
Deal found 11/1$289
This Delta deal was found by Cheapflights users on 11/1. 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 11/1910:12 amLEX - SAN
1 stop8h 19mDelta
Wed 11/2610:00 pmSAN - LEX
1 stop9h 04mDelta
Deal found 11/1$314
This American Airlines deal was found by Cheapflights users on 11/1. 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 11/235:00 amLEX - SAN
1 stop9h 11mAmerican Airlines
Mon 12/19:54 pmSAN - LEX
1 stop9h 22mAmerican Airlines
Deal found 11/1$316
This Kiwi.com deal was found by Cheapflights users on 11/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/1610:05 pmLEX - SAN
1 stop17h 30mMultiple Airlines
Sun 11/237:31 pmSAN - LEX
2 stops38h 44mMultiple Airlines
Deal found 11/2$322
This American Airlines deal was found by Cheapflights users on 11/1. 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 11/156:22 pmLEX - SAN
1 stop6h 58mAmerican Airlines
Wed 11/199:42 amSAN - LEX
1 stop9h 14mAmerican Airlines
Deal found 11/1$339
This United Airlines deal was found by Cheapflights users on 11/2. 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 11/47:05 amLEX - SAN
2 stops11h 23mUnited Airlines
Tue 11/1112:43 pmSAN - LEX
1 stop6h 41mUnited Airlines
Deal found 11/2$344
This Delta deal was found by Cheapflights users on 11/1. 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 12/65:35 pmLEX - SAN
1 stop9h 00mDelta
Thu 12/1810:00 pmSAN - LEX
1 stop8h 52mDelta
Deal found 11/1$358
This American Airlines deal was found by Cheapflights users on 11/1. 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 11/146:03 amLEX - SAN
1 stop8h 15mAmerican Airlines
Mon 12/19:54 pmSAN - LEX
1 stop9h 22mAmerican Airlines
Deal found 11/1$396
This Delta deal was found by Cheapflights users on 11/2. 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 12/125:15 pmLEX - SAN
1 stop9h 20mDelta
Sun 12/147:05 pmSAN - LEX
2 stops11h 47mDelta
Deal found 11/2$397

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 November 3, 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

Sat 2/21

5:00 pm-10:48 pm

1 stop8h 48m

San Diego

Tue 2/24

10:30 pm-9:41 am

1 stop8h 11m

$277

LexingtonSan Diego

LEX - SAN

LEXSAN

Lexington Blue Grass

Wed 3/4

5:35 pm-11:04 pm

1 stop8h 29m

San Diego

Tue 3/10

6:15 am-5:13 pm

1 stop7h 58m

$277

LexingtonSan Diego

LEX - SAN

LEXSAN

Lexington Blue Grass

Wed 3/4

2:04 pm-8:27 pm

1 stop9h 23m

San Diego

Tue 3/10

12:09 pm-11:53 pm

1 stop8h 44m

$278

LexingtonSan Diego

LEX - SAN

LEXSAN

Lexington Blue Grass

Wed 1/14

5:35 pm-10:33 pm

1 stop7h 58m

San Diego

Mon 1/19

10:00 pm-9:57 am

1 stop8h 57m

$283

LexingtonSan Diego

LEX - SAN

LEXSAN

Lexington Blue Grass

Wed 11/19

10:12 am-3:31 pm

1 stop8h 19m

San Diego

Wed 11/26

10:00 pm-10:04 am

1 stop9h 04m

$314

LexingtonSan Diego

LEX - SAN

LEXSAN

Lexington Blue Grass

Fri 3/6

5:35 pm-11:04 pm

1 stop8h 29m

San Diego

Sun 3/8

10:30 pm-10:25 am

1 stop8h 55m

$316

LexingtonSan Diego

LEX - SAN

LEXSAN

Lexington Blue Grass

Tue 1/13

5:35 pm-12:24 pm

2 stops21h 49m

San Diego

Mon 1/19

10:00 pm-9:57 am

1 stop8h 57m

$337

LexingtonSan Diego

LEX - SAN

LEXSAN

Lexington Blue Grass

Sat 11/15

6:22 pm-10:20 pm

1 stop6h 58m

San Diego

Wed 11/19

9:42 am-9:56 pm

1 stop9h 14m

$339

LexingtonSan Diego

LEX - SAN

LEXSAN

Lexington Blue Grass

Sat 3/7

5:35 pm-11:04 pm

1 stop8h 29m

San Diego

Tue 3/10

6:15 am-9:39 pm

2 stops12h 24m

$356

LexingtonSan Diego

LEX - SAN

LEXSAN

Lexington Blue Grass

Mon 12/22

7:20 pm-11:59 pm

1 stop7h 39m

$258

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/2

Showing 1-10 of 15 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 November.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice 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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Lexington-San Diego flight deals on Cheapflights vs. eDreams >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 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 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 October 31, 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 $100). Flying from Lexington to San Diego in June is currently the most expensive (average of $189). 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 November 3, 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 9% 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.

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

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 November 3, 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
7.9
Good
8,002 reviews

Overall

7.9

Boarding

8.2

Entertainment

7.9

Crew

8.5

Food

7.3

Comfort

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
8,002 reviews
Delta
7.9
Good
8,002 reviews

Overall

7.9

Boarding

8.2

Entertainment

7.9

Crew

8.5

Food

7.3

Comfort

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
8,997 reviews
Delta
7.9
Good
8,002 reviews

Overall

7.9

Boarding

8.2

Entertainment

7.9

Crew

8.5

Food

7.3

Comfort

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
11,038 reviews
Delta
7.9
Good
8,002 reviews

Overall

7.9

Boarding

8.2

Entertainment

7.9

Crew

8.5

Food

7.3

Comfort

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 8h 48m. Delta provides one of the quickest options available for as low as $277. 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 ($234), United Airlines ($276), and Delta ($288) offers the cheapest pricing from Lexington to San Diego. American Airlines is priced at 42% 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 $100). Flying from Lexington to San Diego in June is currently the most expensive (average of $189). 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
Lemon Grove
National City

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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 November 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$234Average$400FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$276Average$381FlexibilityNo cancel feeOn-time69%
DeltaCheapest$288Average$364FlexibilityNo cancel feeOn-timeN/A

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