HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Lexington

$107+ Cheap flights from San Francisco to Lexington (SFO - 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 4/22. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — LEX
Apr 9 — Apr 161
Thu 4/9
Thu 4/16
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from San Francisco 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 Francisco to Lexington

Cheapest flights from San Francisco to Lexington
Explore the most affordable flight options available from San Francisco to Lexington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 10, 2026.

This Kiwi.com deal was found by Cheapflights users on 3/9. 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.
Wed 4/157:40 pm
SFO
-
LEX
1 stop22h 49m
Multiple Airlines
Mon 6/19:44 pm
LEX
-
SFO
2 stops24h 26m
Multiple Airlines
Deal found 3/9$307
This Kiwi.com deal was found by Cheapflights users on 3/10. 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.
Thu 6/48:43 am
SFO
-
LEX
1 stop9h 24m
Multiple Airlines
Sun 6/79:54 pm
LEX
-
SFO
1 stop12h 49m
Multiple Airlines
Deal found 3/10$317
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.
Wed 5/65:30 am
SFO
-
LEX
1 stop7h 27m
American Airlines
Wed 5/137:00 am
LEX
-
SFO
1 stop10h 07m
American Airlines
Deal found 3/6$349
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.
Fri 4/2411:52 pm
SFO
-
LEX
1 stop6h 28m
United Airlines
Sun 4/266:01 pm
LEX
-
SFO
1 stop9h 38m
United Airlines
Deal found 3/7$368
This Delta deal was found by Cheapflights users on 3/9. 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.
Tue 7/286:00 am
SFO
-
LEX
1 stop9h 54m
Delta
Mon 8/35:55 pm
LEX
-
SFO
1 stop9h 20m
Delta
Deal found 3/9$369
This Kiwi.com deal was found by Cheapflights users on 3/9. 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 5/38:53 am
SFO
-
LEX
1 stop9h 36m
Multiple Airlines
Fri 5/89:45 pm
LEX
-
SFO
2 stops22h 09m
Multiple Airlines
Deal found 3/9$373
This Delta deal was found by Cheapflights users on 3/9. 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.
Mon 5/189:55 pm
SFO
-
LEX
1 stop8h 26m
Delta
Wed 5/2710:43 am
LEX
-
SFO
1 stop10h 06m
Delta
Deal found 3/9$374
This Delta deal was found by Cheapflights users on 3/9. 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.
Tue 5/194:55 pm
SFO
-
LEX
2 stops13h 26m
Delta
Thu 5/288:20 pm
LEX
-
SFO
1 stop7h 26m
Delta
Deal found 3/9$383
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/1011:29 am
SFO
-
LEX
1 stop7h 00m
Multiple Airlines
Fri 5/159:45 pm
LEX
-
SFO
2 stops22h 09m
Multiple Airlines
Deal found 3/5$388
This Delta deal was found by Cheapflights users on 3/9. 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 5/234:55 pm
SFO
-
LEX
2 stops13h 26m
Delta
Fri 5/298:20 pm
LEX
-
SFO
1 stop7h 26m
Delta
Deal found 3/9$402

Find flight deals from San Francisco to Lexington

Discover tips and strategies to find the most affordable flight options for your journey from San Francisco (SFO) 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 10, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$307
(Kiwi.com)

One-way from

$107
(Kiwi.com)

Popular in

December

Cheapest in

August

Average price

$431
Provider with most accurate pricing for San Francisco-Lexington Blue Grass flight deals.
Search Deals
Provider most trusted by Cheapflights users for San Francisco-Lexington Blue Grass flights.
Search Deals
From San Francisco to Lexington Blue Grass
Search Deals
One-way flight from San Francisco to Lexington Blue Grass
Search Deals
Highest demand for flights based on searches. 18% potential increase in price ($107 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($18 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 Francisco 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 10, 2026.
Use the filters below to find and compare flights from San Francisco to Lexington that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San FranciscoLexington

SFO - LEX

SFOLEX

San Francisco

Wed 5/6

11:52 am-11:38 pm

1 stop8h 46m

Lexington Blue Grass

Mon 5/11

6:36 pm-11:09 pm

1 stop7h 33m

$349

San FranciscoLexington

SFO - LEX

SFOLEX

San Francisco

Fri 4/24

11:52 pm-9:20 am

1 stop6h 28m

Lexington Blue Grass

Sun 4/26

6:01 pm-12:39 am

1 stop9h 38m

$368

San FranciscoLexington

SFO - LEX

SFOLEX

San Francisco

Sat 5/23

10:55 pm-9:21 am

1 stop7h 26m

Lexington Blue Grass

Wed 5/27

10:43 am-5:49 pm

1 stop10h 06m

$374

San FranciscoLexington

SFO - LEX

SFOLEX

San Francisco

Wed 5/6

8:14 am-11:49 pm

2 stops12h 35m

Lexington Blue Grass

Wed 5/13

7:50 pm-1:50 am

1 stop9h 00m

$456

San FranciscoLexington

SFO - LEX

SFOLEX

San Francisco

Mon 5/11

10:06 am-10:53 pm

1 stop9h 47m

Lexington Blue Grass

Fri 5/15

7:00 am-12:38 pm

1 stop8h 38m

$513

San FranciscoLexington

SFO - LEX

SFOLEX

San Francisco

Mon 3/23

9:35 pm-9:20 am

1 stop8h 45m

Lexington Blue Grass

Mon 3/30

12:39 pm-7:19 pm

1 stop9h 40m

$519

San FranciscoLexington

SFO - LEX

SFOLEX

San Francisco

Thu 5/7

9:08 pm-10:50 pm

1 stop22h 42m

Lexington Blue Grass

Wed 5/13

7:50 pm-12:50 am

1 stop8h 00m

$527
Quickest round-trip

San FranciscoLexington

SFO - LEX

SFOLEX

San Francisco

Sun 5/10

11:56 pm-9:20 am

1 stop6h 24m

Lexington Blue Grass

Fri 5/15

7:00 am-11:24 am

1 stop7h 24m

$547

San FranciscoLexington

SFO - LEX

SFOLEX

San Francisco

Tue 5/19

11:56 pm-9:20 am

1 stop6h 24m

Lexington Blue Grass

Thu 5/21

7:44 pm-1:42 am

1 stop8h 58m

$547

San FranciscoLexington

SFO - LEX

SFOLEX

San Francisco

Wed 5/6

7:15 am-11:38 pm

2 stops13h 23m

Lexington Blue Grass

Mon 5/11

1:14 pm-11:01 pm

2 stops12h 47m

$548

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/10

Showing 1-10 of 21 resultsSorted by cheapest first
1
2
3

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

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

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

Currently, September is the cheapest month in which you can book a flight from San Francisco to Lexington (average of $112). Flying from San Francisco to Lexington in June is currently the most expensive (average of $243). 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 10, 2026.
Read reviews from past customers who have flown Delta,United Airlines, andAmerican Airlines from San Francisco to Lexington. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,278 reviews

Crew

8.5

Food

7.2

Boarding

8.1

Overall

7.9

Comfort

7.9

Entertainment

7.8

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
8,278 reviews
Delta
7.9
Good
8,278 reviews

Crew

8.5

Food

7.2

Boarding

8.1

Overall

7.9

Comfort

7.9

Entertainment

7.8

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
9,414 reviews
Delta
7.9
Good
8,278 reviews

Crew

8.5

Food

7.2

Boarding

8.1

Overall

7.9

Comfort

7.9

Entertainment

7.8

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
11,419 reviews
Delta
7.9
Good
8,278 reviews

Crew

8.5

Food

7.2

Boarding

8.1

Overall

7.9

Comfort

7.9

Entertainment

7.8

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 Francisco 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 Francisco to Lexington?

    A quick flight from San Francisco to Lexington can take about 6h 28m. American Airlines provides one of the quickest options available for as low as $368. The distance from San Francisco to Lexington is about 2046 mi. This flight may include one or multiple stops.

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

    Currently priced at $159, Delta will fly you from San Francisco to Lexington and back. In addition to Delta, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from United Airlines and American Airlines - these airlines can fly you to your destination from $306 and $308, respectively. These flights start at 66% lower than the current average price 3 months from now.

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

    One-way options have recently been found by users for as low as $154 on American Airlines. Other airlines that offer cheap prices include Delta from $154 and United Airlines from $225 one-way.

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

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

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

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

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

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

    Currently, September is the cheapest month in which you can book a flight from San Francisco to Lexington (average of $112). Flying from San Francisco to Lexington in June is currently the most expensive (average of $243). 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
Danville
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 Francisco 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
Sacramento to Nashville flights
Burbank to Nashville flights
Santa Ana to Nashville flights
Los Angeles to Cincinnati flights
Las Vegas to Cincinnati flights
San Jose to Nashville flights
Las Vegas to Nashville flights
Long Beach to Nashville flights
San Francisco to Cincinnati flights
Los Angeles to Louisville flights
Los Angeles to Knoxville flights
San Francisco to Knoxville flights
Ontario to Cincinnati flights
Oakland to Nashville flights
San Francisco to Louisville flights
Ontario to Knoxville flights
Las Vegas to Louisville flights
San Diego to Cincinnati flights
Santa Ana to Knoxville flights
Fresno to Nashville flights
Ontario to Louisville flights
Palm Springs to Nashville flights
Sacramento to Cincinnati flights
San Luis Obispo to Nashville flights
Sacramento to Knoxville flights
Los Angeles to Lexington flights
Ontario to Lexington flights
Reno to Nashville flights
Burbank to Louisville flights
San Diego to Knoxville flights
Santa Ana to Cincinnati flights
Burbank to Knoxville flights
Burbank to Cincinnati flights
Long Beach to Cincinnati flights
Santa Barbara to Nashville flights
San Jose to Cincinnati flights
San Diego to Louisville flights
Las Vegas to Knoxville flights
Oakland to Cincinnati flights
San Jose to Knoxville flights
Sacramento to Louisville flights
Bakersfield to Nashville flights
Fresno to Cincinnati flights

Top 3 airlines flying from San Francisco to Lexington

Discover the top 3 airlines that operate flights from San Francisco 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 10, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$159Average$388FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$306Average$498FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$308Average$459FlexibilityNo cancel feeOn-time71%

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.
Site
©2026 Cheapflights