HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
San Diego

$253+ Cheap flights from Lexington to San Diego (LEX - SAN)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/6. Fares are subject to change and may not be available on all flights or dates of travel.
LEX — SAN
May 5 — May 121
Mon 5/5
Mon 5/12
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Lexington to San Diego with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Lexington Blue Grass to San Diego are usually found in September or May, booked 79 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 April 30, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$253
(American Airlines)

Popular in

March

Cheapest in

September

Average price

$465
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 ($32 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2025
Search Deals

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 April 30, 2025.

This American Airlines deal was found by Cheapflights users on 4/29. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/65:00 amLEX - SAN
1 stop7h 00mAmerican Airlines
Tue 6/101:00 pmSAN - LEX
1 stop7h 07mAmerican Airlines
Deal found 4/29$253
This Delta deal was found by Cheapflights users on 4/29. 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.
Sat 5/246:00 amLEX - SAN
1 stop6h 53mDelta
Sat 5/316:15 amSAN - LEX
1 stop8h 15mDelta
Deal found 4/29$277
This United Airlines deal was found by Cheapflights users on 4/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/3011:00 amLEX - SAN
1 stop8h 28mUnited Airlines
Sat 7/52:05 pmSAN - LEX
1 stop6h 39mUnited Airlines
Deal found 4/29$283
This Alaska Airlines deal was found by Cheapflights users on 4/29. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/311:02 amLEX - SAN
2 stops12h 29mAlaska Airlines
Tue 5/67:55 pmSAN - LEX
2 stops11h 35mAlaska Airlines
Deal found 4/29$399
This Mytrip deal was found by Cheapflights users on 4/28. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/69:08 amLEX - SAN
3 stops37h 45mMultiple Airlines
Tue 6/106:15 amSAN - LEX
3 stops35h 37mMultiple Airlines
Deal found 4/28$459

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 April 30, 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

Fri 6/6

5:00 am-9:00 am

1 stop7h 00m

San Diego

Tue 6/10

1:00 pm-11:07 pm

1 stop7h 07m

$253

LexingtonSan Diego

LEX - SAN

LEXSAN

Lexington Blue Grass

Sat 5/24

6:00 am-9:53 am

1 stop6h 53m

San Diego

Sat 5/31

6:15 am-5:30 pm

1 stop8h 15m

$277

LexingtonSan Diego

LEX - SAN

LEXSAN

Lexington Blue Grass

Mon 6/30

11:00 am-4:28 pm

1 stop8h 28m

San Diego

Sat 7/5

2:05 pm-11:44 pm

1 stop6h 39m

$283

LexingtonSan Diego

LEX - SAN

LEXSAN

Lexington Blue Grass

Fri 6/6

9:08 am-7:53 pm

3 stops37h 45m

San Diego

Tue 6/10

6:15 am-8:52 pm

3 stops35h 37m

$459

LexingtonSan Diego

LEX - SAN

LEXSAN

Lexington Blue Grass

Thu 5/22

7:51 am-1:36 pm

1 stop8h 45m

$270

LexingtonSan Diego

LEX - SAN

LEXSAN

Lexington Blue Grass

Mon 7/14

7:13 pm-8:53 am

2 stops16h 40m

$304

LexingtonSan Diego

LEX - SAN

LEXSAN

Lexington Blue Grass

Mon 7/14

5:44 pm-8:50 pm

3 stops30h 06m

$492

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

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 April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 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 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 April 25, 2025.

The best time to book flights from Lexington to San Diego is 79 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 $286). Flying from Lexington to San Diego in March is currently the most expensive (average of $366). 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 April 30, 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 10% 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.

Rainfall in San Diego by month

Plan your trip to San Diego by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in San Diego ranges from 0.0 - 2.3 inches per month. February is typically the wettest month, when rainfall can reach 2.3 in. July is typically the driest time to visit San Diego when rainfall is around 0.0 in.

Temperature in San Diego by month

Plan your trip to San Diego by taking into account the average temperature totals by month.

If weather is an important factor for your trip to San Diego, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 71.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 57.2 F).

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 April 30, 2025.
Alaska Airlines
8.0
Very good
9,961 reviews

Entertainment

7.1

Comfort

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
9,961 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Entertainment

7.1

Comfort

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,929 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Entertainment

7.1

Comfort

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,696 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Entertainment

7.1

Comfort

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Entertainment

7.1

Comfort

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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.

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

    According to our current data, American Airlines ($253), Delta ($277), and United Airlines ($283) offers the cheapest pricing from Lexington to San Diego. American Airlines is priced at 38% 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 $270 on American Airlines. Other airlines that offer cheap prices include Alaska Airlines from $304 and United Airlines from $492 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 $286). Flying from Lexington to San Diego in March is currently the most expensive (average of $366). 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 Lexington?

Book flights to Lexington if you plan to visit one of these locations
El Cajon
Chula Vista
Lemon Grove
National City
Imperial Beach
La Mesa
Alpine
Poway
Santee
Coronado

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Lexington to San Diego

See prices for flight routes from nearby airports that may be better suited for you.
Cincinnati to Las Vegas flights
Nashville to Los Angeles flights
Nashville to Las Vegas flights
Nashville to San Francisco flights
Louisville to Las Vegas flights
Cincinnati to Los Angeles flights
Cincinnati to San Francisco flights
Nashville to Ontario flights
Nashville to San Diego flights
Cincinnati to Ontario flights
Nashville to Santa Ana flights
Nashville to Burbank flights
Nashville to Sacramento flights
Cincinnati to Santa Ana flights
Knoxville to San Francisco flights
Cincinnati to San Diego flights
Lexington to Los Angeles flights
Louisville to San Diego flights
Knoxville to Las Vegas flights
Knoxville to Los Angeles flights
Cincinnati to Reno flights
Louisville to Los Angeles flights
Lexington to Santa Ana flights
Nashville to Long Beach flights
Knoxville to Reno flights
Nashville to Oakland flights
Nashville to San Jose flights
Lexington to Las Vegas flights
Cincinnati to Sacramento flights
Lexington to Ontario flights
Nashville to Fresno flights
Nashville to Reno flights
Cincinnati to San Jose flights
Knoxville to Sacramento flights
Cincinnati to Burbank flights
Knoxville to Ontario flights
Cincinnati to Palm Springs flights
Lexington to San Francisco flights
Cincinnati to Long Beach flights
Evansville to Las Vegas flights
Louisville to Reno flights
Louisville to Sacramento flights
Cincinnati to Fresno flights
Lexington to Burbank flights
Louisville to Ontario flights
Knoxville to San Diego flights
Blountville to Las Vegas flights
Knoxville to Santa Ana flights
Nashville to Medford flights

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 April 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$260Average$422FlexibilityNo cancel feeOn-time71%
DeltaCheapest$287Average$376FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$288Average$447FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.