$125 Cheap Flights from San Francisco (SFO) to Lexington (LEX)

Popular airlines from San Francisco Intl. Airport (SFO) to Blue Grass Airport (LEX)

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Find available prices by choosing your travel dates.

Cheap Flights from San Francisco to Lexington (SFO-LEX)

Prices were available within the past 7 days and start at $125 for one-way flights and $279 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
American Airlines
Delta
Delta
Delta
Delta
American Airlines
American Airlines
United
Alaska Airlines
Flights from San Francisco (SFO) to Lexington (LEX)
Origin airport
San Francisco Intl.
Destination airport
Blue Grass
Airlines serving
Alaska Airlines, American Airlines, Delta, United
Roundtrip price
$278
Distance
2048 mi

San Francisco to Lexington Flights

The cheapest times to fly from San Francisco to Lexington

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from San Francisco to Lexington are during the month of May. You can find some of the cheapest flights from San Francisco to Lexington with Expedia's search tool and vast selection of airlines.

The best time to book a flight from San Francisco to Lexington

Sunday is one of the best days to book for cheap flights from San Francisco to Lexington: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

How to find cheap round-trip tickets from San Francisco to Lexington

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from San Francisco to Lexington in 2025. You can also book with separate airlines for your outbound and return journeys, from $125 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap San Francisco to Lexington flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

You could also save big by booking one of Expedia's vacation packages. Bundling together your San Francisco to Lexington airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

*Terms apply.

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

Frequently asked questions

Is it cheaper to buy a plane ticket from San Francisco Airport to Blue Grass Airport (LEX) last minute?
Booking your journey from SFO to LEX at the last minute could help you save if you get lucky and find a bargain. However, airfares don’t usually get cheaper closer to the departure date. If you hold off, flights could also be booked solid or the best seats taken (because who wants the middle seat?). If you’d rather not hedge your bets, book well in advance of your departure date. Note that some of the biggest deals can be found up to 12 months in advance. If your favorite carrier hasn’t released its airfares yet, check back regularly as deals are constantly updated on Expedia.
What airports do you fly into for Lexington from San Francisco?
Blue Grass Airport (LEX), Capital City Airport (FFT) and Bardstown, KY (BRY-Samuels Field) are your choices when connecting from San Francisco to Lexington. Approximately 6 mi west of the heart of Lexington, Blue Grass Airport (LEX) is the city’s principal entry point. Think about things such as flight schedules and the distance to your hotel before deciding where you fly into. University of Kentucky and Keeneland Racing Course are a couple of leading attractions to put on your itinerary when you arrive at your destination.
Can I change the date of my flight from San Francisco Airport to Blue Grass Airport?
Plans can change, so Expedia is here to help make amending your journey easy. First, access your San Francisco Intl. Airport (SFO) to Blue Grass Airport itinerary through the Expedia Trips portal and read the ticket rules about what changes are allowed. If you purchased your airfare in the last 24 hours, some carriers will let you cancel at no cost and organize new flights. If you bought your fare more than 24 hours ago, contact us via our Customer Service portal to find out your options.

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*Available to One Key members.