HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Lexington

$104+ Cheap flights from San Diego to Lexington (SAN - LEX)

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 5/20. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — LEX
Apr 6 — Apr 131
Mon 4/6
Mon 4/13
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from San Diego to Lexington 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.

Cheap flight deals from San Diego to Lexington

Cheapest flights from San Diego to Lexington
Explore the most affordable flight options available from San Diego to Lexington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 7, 2026.

This American Airlines deal was found by Cheapflights users on 3/3. 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 5/1910:40 pm
SAN
-
LEX
1 stop8h 51m
American Airlines
Sat 5/238:07 pm
LEX
-
SAN
1 stop6h 52m
American Airlines
Deal found 3/3$237
This United Airlines deal was found by Cheapflights users on 3/7. 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 5/1610:40 pm
SAN
-
LEX
1 stop7h 40m
United Airlines
Wed 5/207:00 am
LEX
-
SAN
1 stop7h 25m
United Airlines
Deal found 3/7$261
This Delta deal was found by Cheapflights users on 3/6. 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 5/1610:30 pm
SAN
-
LEX
1 stop7h 51m
Delta
Wed 5/205:55 am
LEX
-
SAN
1 stop6h 53m
Delta
Deal found 3/6$277
This American Airlines deal was found by Cheapflights users on 3/2. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/3110:00 pm
SAN
-
LEX
1 stop9h 51m
American Airlines
Tue 4/74:27 pm
LEX
-
SAN
1 stop10h 06m
American Airlines
Deal found 3/2$283
This United Airlines deal was found by Cheapflights users on 3/6. 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 8/88:42 pm
SAN
-
LEX
2 stops9h 49m
United Airlines
Fri 8/146:00 pm
LEX
-
SAN
1 stop7h 10m
United Airlines
Deal found 3/6$288
This United Airlines deal was found by Cheapflights users on 3/3. 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 5/1911:00 am
SAN
-
LEX
2 stops9h 49m
United Airlines
Sat 5/235:15 am
LEX
-
SAN
1 stop7h 13m
United Airlines
Deal found 3/3$295
This United Airlines deal was found by Cheapflights users on 3/5. 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 6/2610:40 pm
SAN
-
LEX
1 stop7h 51m
United Airlines
Tue 6/305:30 am
LEX
-
SAN
1 stop7h 03m
United Airlines
Deal found 3/5$319
This American Airlines deal was found by Cheapflights users on 3/6. 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.
Mon 4/2010:40 pm
SAN
-
LEX
1 stop8h 51m
American Airlines
Mon 4/274:27 pm
LEX
-
SAN
1 stop10h 06m
American Airlines
Deal found 3/6$327

Find flight deals from San Diego to Lexington

Discover tips and strategies to find the most affordable flight options for your journey from San Diego (SAN) to Lexington (LEX). 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 7, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$237
(American Airlines)

One-way from

$104
(Kiwi.com)

Popular in

March

Cheapest in

January

Average price

$713
Provider with most accurate pricing for San Diego-Lexington Blue Grass flight deals.
Search Deals
Provider most trusted by Cheapflights users for San Diego-Lexington Blue Grass flights.
Search Deals
From San Diego to Lexington Blue Grass
Search Deals
One-way flight from San Diego to Lexington Blue Grass
Search Deals
Highest demand for flights based on searches. 19% potential increase in price ($97 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($28 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 San Diego to Lexington 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 7, 2026.
Use the filters below to find and compare flights from San Diego to Lexington that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

San DiegoLexington

SAN - LEX

SANLEX

San Diego

Sat 6/6

6:15 am-11:59 pm

2 stops14h 44m

Lexington Blue Grass

Sat 6/13

5:15 am-9:28 am

1 stop7h 13m

$332

San DiegoLexington

SAN - LEX

SANLEX

San Diego

Sat 7/11

6:15 am-11:59 pm

2 stops14h 44m

Lexington Blue Grass

Wed 7/15

10:12 am-7:50 pm

2 stops12h 38m

$470

San DiegoLexington

SAN - LEX

SANLEX

San Diego

Tue 3/31

8:45 am-11:44 pm

2 stops11h 59m

Lexington Blue Grass

Tue 4/7

10:15 am-9:30 pm

2 stops14h 15m

$470
Cheapest one-way

San DiegoLexington

SAN - LEX

SANLEX

San Diego

Mon 5/25

9:59 pm-11:32 am

2 stops34h 33m

$205

San DiegoLexington

SAN - LEX

SANLEX

San Diego

Sun 6/21

6:25 am-10:41 am

2 stops25h 16m

$235
Quickest one-way

San DiegoLexington

SAN - LEX

SANLEX

San Diego

Sun 6/21

10:40 pm-9:16 am

1 stop7h 36m

$259

San DiegoLexington

SAN - LEX

SANLEX

San Diego

Mon 5/25

10:40 pm-9:16 am

1 stop7h 36m

$269

San DiegoLexington

SAN - LEX

SANLEX

San Diego

Wed 4/8

6:20 am-5:02 pm

1 stop7h 42m

$269

San DiegoLexington

SAN - LEX

SANLEX

San Diego

Wed 4/8

2:49 pm-9:29 pm

3 stops27h 40m

$287

San DiegoLexington

SAN - LEX

SANLEX

San Diego

Mon 3/30

10:35 pm-9:24 am

1 stop7h 49m

$299

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/4

Showing 1-10 of 12 resultsSorted by cheapest first
1
2

Compare providers for flights from San Diego to Lexington

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 San Diego to Lexington 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 San Diego-Lexington flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Diego-Lexington flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San Diego-Lexington flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on San Diego-Lexington 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 San Diego-Lexington 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 San Diego to Lexington

Have a flexible travel schedule? Discover the best time to fly to Lexington from San Diego 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 San Diego to Lexington

How far ahead should I book a flight from San Diego to Lexington?

Use this chart to determine the optimal time to book a round-trip flight from San Diego to Lexington. Price data was last updated on March 6, 2026.

The price you pay for your flight from San Diego to Lexington may vary depending on when you book. For the best chance of a lower fare, look to book 52 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from San Diego to Lexington?

Currently, June is the cheapest month in which you can book a flight from San Diego to Lexington (average of $71). Flying from San Diego to Lexington in April is currently the most expensive (average of $242). 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 Lexington

Get insights into the airlines that provide service to Lexington. 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 Lexington. Reviews last updated March 7, 2026.
Peruse reviews from past customers who have flown with Delta, United Airlines, and American Airlines from San Diego to Lexington to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,269 reviews

Food

7.2

Crew

8.5

Overall

7.9

Entertainment

7.8

Boarding

8.1

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Michael,Sep 2023

SMF - ATL

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin
Delta
7.9
Good
8,269 reviews
Delta
7.9
Good
8,269 reviews

Food

7.2

Crew

8.5

Overall

7.9

Entertainment

7.8

Boarding

8.1

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Michael,Sep 2023

SMF - ATL

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin
United Airlines
7.4
Good
9,405 reviews
Delta
7.9
Good
8,269 reviews

Food

7.2

Crew

8.5

Overall

7.9

Entertainment

7.8

Boarding

8.1

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Michael,Sep 2023

SMF - ATL

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin
American Airlines
7.1
Good
11,397 reviews
Delta
7.9
Good
8,269 reviews

Food

7.2

Crew

8.5

Overall

7.9

Entertainment

7.8

Boarding

8.1

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Michael,Sep 2023

SMF - ATL

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin

Related info for your journey

Find useful and relevant information for your journey from San Diego to Lexington. 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 San Diego to Lexington?

    There are many flights that can get you from San Diego to Lexington in 14h 44m. Fly via United Airlines to get the fastest option. The distance from San Diego to Lexington is about 1861 mi.

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

    According to our current data, American Airlines ($252), Delta ($277), and United Airlines ($288) offers the cheapest pricing from San Diego to Lexington. American Airlines is currently priced 38% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from San Diego to Lexington one-way?

    The cheapest airlines for a one-way flight from San Diego to Lexington are American Airlines ($108), Delta ($149), and United Airlines ($258).

  • Can I find deals for flights from San Diego to Lexington that include hotel bookings?

    Yes. In addition to deals on San Diego to Lexington flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from San Diego to Lexington?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Diego to Lexington.

  • Can I find deals for business class flights from San Diego to Lexington?

    Yes. Cheapflights offers flight deals from San Diego to Lexington 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 San Diego to Lexington?

    Currently, June is the cheapest month in which you can book a flight from San Diego to Lexington (average of $71). Flying from San Diego to Lexington in April is currently the most expensive (average of $242). 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
Somerset
Berea
Georgetown
Frankfort

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 San Diego to Lexington

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

Top 3 airlines flying from San Diego to Lexington

Discover the top 3 airlines that operate flights from San Diego to Lexington. 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 7, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$252Average$378FlexibilityNo cancel feeOn-time71%
DeltaCheapest$277Average$338FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$288Average$428FlexibilityNo 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.