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$139+ 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 12/30. Fares are subject to change and may not be available on all flights or dates of travel.
LEX — SAN
Nov 12 — Nov 191
Wed 11/12
Wed 11/19
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 October 13, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$217
(American Airlines)

One-way from

$139
(Kiwi.com)

Popular in

December

Cheapest in

August

Average price

$488
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. 5% potential increase in price ($21 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 October 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 October 13, 2025.

This American Airlines deal was found by Cheapflights users on 10/13. 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.
Sat 11/156:22 pmLEX - SAN
1 stop6h 58mAmerican Airlines
Tue 11/1811:41 amSAN - LEX
1 stop8h 57mAmerican Airlines
Deal found 10/13$217
This Trip.com deal was found by Cheapflights users on 10/11. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/3010:19 pmLEX - SAN
1 stop28h 29mMultiple Airlines
Sun 11/28:30 amSAN - LEX
1 stop9h 59mMultiple Airlines
Deal found 10/11$253
This Kiwi.com deal was found by Cheapflights users on 10/12. 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 12/79:47 pmLEX - SAN
1 stop16h 56mMultiple Airlines
Fri 12/1212:38 pmSAN - LEX
2 stops42h 50mMultiple Airlines
Deal found 10/12$284
This United Airlines deal was found by Cheapflights users on 10/13. 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.
Sat 11/155:45 pmLEX - SAN
1 stop7h 35mUnited Airlines
Tue 11/1810:20 amSAN - LEX
2 stops10h 24mUnited Airlines
Deal found 10/13$285
This American Airlines deal was found by Cheapflights users on 10/12. 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 12/126:00 amLEX - SAN
1 stop9h 30mAmerican Airlines
Sun 12/146:15 amSAN - LEX
1 stop9h 13mAmerican Airlines
Deal found 10/12$289
This American Airlines deal was found by Cheapflights users on 10/13. 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 10/2910:49 amLEX - SAN
1 stop10h 17mAmerican Airlines
Mon 11/310:23 pmSAN - LEX
1 stop8h 53mAmerican Airlines
Deal found 10/13$294
This American Airlines deal was found by Cheapflights users on 10/13. 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 10/2910:49 amLEX - SAN
1 stop10h 17mAmerican Airlines
Sat 11/12:29 pmSAN - LEX
1 stop6h 51mAmerican Airlines
Deal found 10/13$299
This Alaska Airlines deal was found by Cheapflights users on 10/12. 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.
Sat 11/156:00 amLEX - SAN
1 stop8h 45mAlaska Airlines
Wed 11/196:02 pmSAN - LEX
2 stops13h 35mAlaska Airlines
Deal found 10/12$312
This Delta deal was found by Cheapflights users on 10/12. 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 10/3010:05 amLEX - SAN
1 stop8h 17mDelta
Mon 11/310:30 pmSAN - LEX
1 stop7h 50mDelta
Deal found 10/12$314
This United Airlines deal was found by Cheapflights users on 10/12. 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 10/307:05 amLEX - SAN
2 stops11h 23mUnited Airlines
Sun 11/25:15 amSAN - LEX
2 stops11h 39mUnited Airlines
Deal found 10/12$336

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 October 13, 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 11/15

6:22 pm-10:20 pm

1 stop6h 58m

San Diego

Tue 11/18

11:41 am-11:38 pm

1 stop8h 57m

$217

LexingtonSan Diego

LEX - SAN

LEXSAN

Lexington Blue Grass

Sat 11/15

5:45 pm-10:20 pm

1 stop7h 35m

San Diego

Tue 11/18

10:20 am-11:44 pm

2 stops10h 24m

$285

LexingtonSan Diego

LEX - SAN

LEXSAN

Lexington Blue Grass

Sat 11/15

6:00 am-11:45 am

1 stop8h 45m

San Diego

Wed 11/19

6:02 pm-10:37 am

2 stops13h 35m

$312

LexingtonSan Diego

LEX - SAN

LEXSAN

Lexington Blue Grass

Thu 10/30

10:05 am-3:22 pm

1 stop8h 17m

San Diego

Mon 11/3

10:20 pm-9:45 am

1 stop8h 25m

$314

LexingtonSan Diego

LEX - SAN

LEXSAN

Lexington Blue Grass

Thu 10/30

6:00 am-10:45 am

1 stop7h 45m

San Diego

Mon 11/3

12:40 pm-11:16 pm

1 stop7h 36m

$314

LexingtonSan Diego

LEX - SAN

LEXSAN

Lexington Blue Grass

Sat 10/25

6:39 pm-10:59 pm

1 stop7h 20m

San Diego

Mon 10/27

11:46 am-12:08 am

1 stop9h 22m

$319

LexingtonSan Diego

LEX - SAN

LEXSAN

Lexington Blue Grass

Thu 10/30

7:05 am-3:28 pm

2 stops11h 23m

San Diego

Sun 11/2

5:15 am-7:54 pm

2 stops11h 39m

$336

LexingtonSan Diego

LEX - SAN

LEXSAN

Lexington Blue Grass

Tue 12/30

10:22 pm-5:57 pm

1 stop22h 35m

$139

LexingtonSan Diego

LEX - SAN

LEXSAN

Lexington Blue Grass

Fri 12/5

11:12 am-1:30 pm

3 stops29h 18m

$179

LexingtonSan Diego

LEX - SAN

LEXSAN

Lexington Blue Grass

Fri 12/5

7:00 am-12:41 pm

1 stop8h 41m

$259

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/12

Showing 1-10 of 18 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 October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
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 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 October 10, 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 October 13, 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.

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 October 13, 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
7,973 reviews

Comfort

7.9

Boarding

8.2

Food

7.3

Entertainment

7.9

Overall

8.0

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
8.0
Very good
7,973 reviews
Delta
8.0
Very good
7,973 reviews

Comfort

7.9

Boarding

8.2

Food

7.3

Entertainment

7.9

Overall

8.0

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
8,974 reviews
Delta
8.0
Very good
7,973 reviews

Comfort

7.9

Boarding

8.2

Food

7.3

Entertainment

7.9

Overall

8.0

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
11,045 reviews
Delta
8.0
Very good
7,973 reviews

Comfort

7.9

Boarding

8.2

Food

7.3

Entertainment

7.9

Overall

8.0

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 58m. American Airlines provides one of the quickest options available for as low as $217. 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 ($238), United Airlines ($276), and Delta ($288) offers the cheapest pricing from Lexington to San Diego. American Airlines is priced at 41% 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
Imperial Beach
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 October 13, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$238Average$404FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$276Average$407FlexibilityNo cancel feeOn-time69%
DeltaCheapest$288Average$378FlexibilityNo cancel feeOn-timeN/A

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