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Lexington

$271+ Cheap flights from South Dakota to Lexington (LEX)

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 3/23. Fares are subject to change and may not be available on all flights or dates of travel.
FSD — LEX
Mar 29 — Apr 51
Sun 3/29
Sun 4/5
1 adult, Economy
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Cheap flight deals from South Dakota to Lexington

Cheapest flights from South Dakota to Lexington
Explore the most affordable flight options available from South Dakota to Lexington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 27, 2026.

This American Airlines deal was found by Cheapflights users on 2/26. 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 3/231:26 pm
FSD
-
LEX
1 stop7h 31m
American Airlines
Tue 3/317:00 am
LEX
-
FSD
1 stop6h 37m
American Airlines
Deal found 2/26$271
This United Airlines deal was found by Cheapflights users on 2/24. 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 2/283:15 pm
FSD
-
LEX
1 stop3h 54m
United Airlines
Tue 3/32:03 pm
LEX
-
FSD
1 stop4h 18m
United Airlines
Deal found 2/24$424
This United Airlines deal was found by Cheapflights users on 2/27. 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 10/275:48 pm
RAP
-
LEX
2 stops21h 07m
United Airlines
Sat 10/317:00 am
LEX
-
RAP
2 stops12h 03m
United Airlines
Deal found 2/27$464
This American Airlines deal was found by Cheapflights users on 2/27. 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 3/145:32 am
RAP
-
LEX
1 stop5h 51m
American Airlines
Wed 3/187:00 am
LEX
-
RAP
1 stop8h 51m
American Airlines
Deal found 2/27$489
This American Airlines deal was found by Cheapflights users on 2/24. 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.
Thu 3/191:26 pm
FSD
-
LEX
1 stop7h 31m
American Airlines
Sun 3/227:00 am
LEX
-
FSD
1 stop6h 41m
American Airlines
Deal found 2/24$501
This United Airlines deal was found by Cheapflights users on 2/27. 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 3/1412:00 pm
RAP
-
LEX
1 stop8h 20m
United Airlines
Wed 3/185:39 pm
LEX
-
RAP
2 stops17h 31m
United Airlines
Deal found 2/27$609
This United Airlines deal was found by Cheapflights users on 2/26. 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 3/1311:21 am
FSD
-
LEX
1 stop4h 34m
United Airlines
Tue 3/175:39 pm
LEX
-
FSD
1 stop5h 23m
United Airlines
Deal found 2/26$612
This Kiwi.com deal was found by Cheapflights users on 2/24. 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 3/1910:37 am
FSD
-
LEX
1 stop20h 36m
Multiple Airlines
Sun 3/2210:15 pm
LEX
-
FSD
2 stops22h 44m
Multiple Airlines
Deal found 2/24$624

Find flight deals from South Dakota to Lexington

Keep the following information in mind while searching for South Dakota to Lexington flight deals. Data was last updated February 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$271
(American Airlines)

Popular in

February

Cheapest in

January

Average price

$744
Provider with most accurate pricing for Sioux Falls Joe Foss Field-Lexington Blue Grass flight deals.
Search Deals
Provider most trusted by Cheapflights users for Sioux Falls Joe Foss Field-Lexington Blue Grass flights.
Search Deals
From South Dakota to Lexington Blue Grass
Search Deals
High demand for flights, 2% potential price rise
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($31 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from South Dakota 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 February 27, 2026.
Use the filters below to find and compare flights from South Dakota to Lexington that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Sioux FallsLexington

FSD - LEX

FSDLEX

Sioux Falls Joe Foss Field

Mon 3/23

1:26 pm-9:57 pm

1 stop7h 31m

Lexington Blue Grass

Tue 3/31

12:34 pm-10:55 pm

2 stops11h 21m

$334

Rapid CityLexington

RAP - LEX

RAPLEX

Rapid City

Sat 3/14

5:32 am-1:23 pm

1 stop5h 51m

Lexington Blue Grass

Wed 3/18

7:00 am-1:51 pm

1 stop8h 51m

$489

Sioux FallsLexington

FSD - LEX

FSDLEX

Sioux Falls Joe Foss Field

Thu 3/19

1:26 pm-9:57 pm

1 stop7h 31m

Lexington Blue Grass

Sun 3/22

7:00 am-12:41 pm

1 stop6h 41m

$501

Rapid CityLexington

RAP - LEX

RAPLEX

Rapid City

Sat 3/14

12:00 pm-10:20 pm

1 stop8h 20m

Lexington Blue Grass

Wed 3/18

5:39 pm-9:10 am

2 stops17h 31m

$609

Sioux FallsLexington

FSD - LEX

FSDLEX

Sioux Falls Joe Foss Field

Fri 3/13

11:21 am-4:55 pm

1 stop4h 34m

Lexington Blue Grass

Tue 3/17

5:39 pm-10:02 pm

1 stop5h 23m

$612

Sioux FallsLexington

FSD - LEX

FSDLEX

Sioux Falls Joe Foss Field

Thu 3/19

10:37 am-8:13 am

1 stop20h 36m

Lexington Blue Grass

Sun 3/22

10:15 pm-7:59 pm

2 stops22h 44m

$624

Sioux FallsLexington

FSD - LEX

FSDLEX

Sioux Falls Joe Foss Field

Thu 3/19

11:01 am-5:07 pm

2 stops5h 06m

Lexington Blue Grass

Sun 3/22

6:00 am-12:53 pm

2 stops7h 53m

$1,330

Rapid CityLexington

RAP - LEX

RAPLEX

Rapid City

Fri 3/13

12:00 pm-10:20 pm

1 stop8h 20m

$286

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/27

Sorted by cheapest first

Best time to book a flight from South Dakota to Lexington

Have a flexible travel schedule? Discover the best time to fly to Lexington from South Dakota 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 South Dakota to Lexington

What is the cheapest month to book a flight from South Dakota to Lexington?

Currently, July is the cheapest month in which you can book a flight from South Dakota to Lexington (average of $115). Flying from South Dakota to Lexington in March is currently the most expensive (average of $343). 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.

Related info for your journey

Find useful and relevant information for your journey from South Dakota to Lexington. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Lexington from South Dakota?

    Located just 5.6 mi from the city center, Lexington Blue Grass (LEX) is the airport most travelers will use when flying to Lexington from South Dakota.

  • How long is the flight from South Dakota to Lexington?

    For as low as $334, American Airlines can have you in Lexington from South Dakota in 7h 31m. The distance between South Dakota and Lexington is about 740 mi. This flight may include one or multiple stops.

  • Can I find deals for flights from South Dakota to Lexington that include hotel bookings?

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

  • How can I find direct flights from South Dakota to Lexington?

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

  • Can I find deals for business class flights from South Dakota to Lexington?

    Yes. Cheapflights offers flight deals from South Dakota 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 South Dakota to Lexington?

    Currently, July is the cheapest month in which you can book a flight from South Dakota to Lexington (average of $115). Flying from South Dakota to Lexington in March is currently the most expensive (average of $343). 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

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Top 2 airlines flying from South Dakota to Lexington

Discover the top 2 airlines that operate flights from South Dakota 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 February 27, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$248Average$438FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$292Average$534FlexibilityNo cancel feeOn-time69%

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