Lexington

$234+ Cheap flights from South Dakota to Lexington (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 11/5. Fares are subject to change and may not be available on all flights or dates of travel.
FSD — LEX
Oct 16 — Oct 231
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Cheap 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 September 16, 2025.

Round-trip from

$249
(American Airlines)

One-way from

$234
(Kiwi.com)

Popular in

May

Cheapest in

August
From South Dakota to Lexington Blue Grass
One-way flight from South Dakota to Lexington Blue Grass
Highest demand for flights based on searches. 32% potential increase in price ($234 potential increase over avg. RT price).
Cheapest flight prices on average. 8% potential price decrease ($39 potential savings vs. average RT price).

Find 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 September 16, 2025.

This American Airlines deal was found by Cheapflights users on 9/14. 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 11/121:03 pmFSD - LEX
1 stop7h 50mAmerican Airlines
Sat 11/157:37 pmLEX - FSD
1 stop5h 22mAmerican Airlines
Deal found 9/14$249
This American Airlines deal was found by Cheapflights users on 9/14. 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 11/131:43 pmFSD - LEX
2 stops9h 16mAmerican Airlines
Sat 11/157:37 pmLEX - FSD
1 stop5h 22mAmerican Airlines
Deal found 9/14$284
This United Airlines deal was found by Cheapflights users on 9/14. 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.
Thu 11/138:00 amFSD - LEX
1 stop4h 17mUnited Airlines
Sat 11/155:45 pmLEX - FSD
1 stop5h 01mUnited Airlines
Deal found 9/14$363
This American Airlines deal was found by Cheapflights users on 9/14. 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 9/195:33 pmFSD - LEX
1 stop5h 53mAmerican Airlines
Mon 9/226:34 pmLEX - FSD
1 stop6h 23mAmerican Airlines
Deal found 9/14$402
This United Airlines deal was found by Cheapflights users on 9/14. 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.
Wed 10/155:30 amRAP - LEX
2 stops9h 50mUnited Airlines
Sat 10/187:05 amLEX - RAP
1 stop5h 08mUnited Airlines
Deal found 9/14$405
This United Airlines deal was found by Cheapflights users on 9/15. 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 10/179:56 amRAP - LEX
2 stops25h 38mUnited Airlines
Tue 10/217:05 amLEX - RAP
1 stop5h 08mUnited Airlines
Deal found 9/15$448
This American Airlines deal was found by Cheapflights users on 9/15. 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 10/65:07 pmFSD - LEX
1 stop5h 50mAmerican Airlines
Fri 10/107:19 pmLEX - FSD
1 stop17h 42mAmerican Airlines
Deal found 9/15$465
This American Airlines deal was found by Cheapflights users on 9/15. 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 10/174:28 pmRAP - LEX
2 stops16h 14mAmerican Airlines
Tue 10/2110:49 amLEX - RAP
2 stops12h 30mAmerican Airlines
Deal found 9/15$472
This American Airlines deal was found by Cheapflights users on 9/14. 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 10/154:58 pmRAP - LEX
1 stop5h 22mAmerican Airlines
Sat 10/1812:15 pmLEX - RAP
1 stop5h 48mAmerican Airlines
Deal found 9/14$500
This American Airlines deal was found by Cheapflights users on 9/14. 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 10/164:28 pmRAP - LEX
1 stop5h 29mAmerican Airlines
Tue 10/2110:49 amLEX - RAP
2 stops12h 30mAmerican Airlines
Deal found 9/14$524
This United Airlines deal was found by Cheapflights users on 9/15. 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 10/66:10 pmFSD - LEX
1 stop4h 49mUnited Airlines
Fri 10/107:33 pmLEX - FSD
1 stop16h 04mUnited Airlines
Deal found 9/15$543
This United Airlines deal was found by Cheapflights users on 9/15. 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.
Thu 10/161:44 pmRAP - LEX
1 stop8h 15mUnited Airlines
Tue 10/217:05 amLEX - RAP
1 stop5h 08mUnited Airlines
Deal found 9/15$547

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 September 16, 2025.
Use the filters below to find and compare flights from South Dakota to Lexington that are best for you.

Fly from

South Dakota

Fly to

Lexington

Route

Depart

Return

Price

Sioux FallsLexington

FSD - LEX

FSDLEX

Sioux Falls Joe Foss Field

Thu 11/13

1:43 pm-11:59 pm

2 stops9h 16m

Lexington Blue Grass

Sat 11/15

7:37 pm-11:59 pm

1 stop5h 22m

$284

Sioux FallsLexington

FSD - LEX

FSDLEX

Sioux Falls Joe Foss Field

Wed 11/12

1:03 pm-9:53 pm

1 stop7h 50m

Lexington Blue Grass

Sat 11/15

5:00 am-1:13 pm

2 stops9h 13m

$301

Rapid CityLexington

RAP - LEX

RAPLEX

Rapid City

Tue 3/3

10:40 am-9:39 pm

2 stops8h 59m

Lexington Blue Grass

Sat 3/7

7:30 am-3:14 pm

2 stops9h 44m

$319

Sioux FallsLexington

FSD - LEX

FSDLEX

Sioux Falls Joe Foss Field

Tue 3/3

1:45 pm-10:34 pm

1 stop7h 49m

Lexington Blue Grass

Sat 3/7

5:50 pm-9:47 pm

1 stop4h 57m

$319

Sioux FallsLexington

FSD - LEX

FSDLEX

Sioux Falls Joe Foss Field

Tue 3/3

10:58 am-9:39 pm

2 stops9h 41m

Lexington Blue Grass

Sat 3/7

11:00 am-7:18 pm

2 stops9h 18m

$334

Sioux FallsLexington

FSD - LEX

FSDLEX

Sioux Falls Joe Foss Field

Tue 3/3

5:43 am-2:31 pm

2 stops7h 48m

Lexington Blue Grass

Sat 3/7

6:58 am-11:29 am

1 stop5h 31m

$397

Rapid CityLexington

RAP - LEX

RAPLEX

Rapid City

Wed 10/15

5:30 am-5:20 pm

2 stops9h 50m

Lexington Blue Grass

Sat 10/18

7:05 am-10:13 am

1 stop5h 08m

$405

Rapid CityLexington

RAP - LEX

RAPLEX

Rapid City

Fri 10/17

9:56 am-1:34 pm

2 stops25h 38m

Lexington Blue Grass

Tue 10/21

7:05 am-10:13 am

1 stop5h 08m

$448

Rapid CityLexington

RAP - LEX

RAPLEX

Rapid City

Tue 3/3

3:21 pm-10:34 pm

1 stop5h 13m

Lexington Blue Grass

Sat 3/7

7:30 am-8:33 pm

2 stops15h 03m

$463

Sioux FallsLexington

FSD - LEX

FSDLEX

Sioux Falls Joe Foss Field

Mon 10/6

5:07 pm-11:57 pm

1 stop5h 50m

Lexington Blue Grass

Fri 10/10

7:19 pm-12:01 pm

1 stop17h 42m

$465

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 18 results
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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, August is the cheapest month in which you can book a flight from South Dakota to Lexington (average of $303). Flying from South Dakota to Lexington in April is currently the most expensive (average of $390). 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 $319, American Airlines can have you in Lexington from South Dakota in 7h 49m. The distance between South Dakota and Lexington is about 740 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from South Dakota to Lexington one-way?

    One-way options have recently been found by users for as low as $239 on United Airlines. Other airlines that offer cheap prices include American Airlines from $239 and Delta from $244 one-way.

  • 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, August is the cheapest month in which you can book a flight from South Dakota to Lexington (average of $303). Flying from South Dakota to Lexington in April is currently the most expensive (average of $390). 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
Georgetown
Berea
Frankfort

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Alternative routes for South Dakota to Lexington

See prices for flight routes from nearby airports that may be better suited for you.

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 September 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$248Average$544FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$292Average$559FlexibilityNo cancel feeOn-time69%

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