South Dakota

$319+ Cheap flights from Lexington (LEX) to South Dakota

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 3/7. Fares are subject to change and may not be available on all flights or dates of travel.
LEX — FSD
Oct 17 — Oct 241
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Cheap flight deals from Lexington to South Dakota

Keep the following information in mind while searching for Lexington to South Dakota flight deals. Data was last updated September 17, 2025.

Round-trip from

$319
(Delta)

Popular in

October

Cheapest in

July

Average price

$343
From Lexington Blue Grass to South Dakota
Highest demand for flights based on searches. 6% potential increase in price ($31 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($17 potential savings vs. average RT price).
Average for round-trip flights in September 2025

Find flight deals from Lexington to South Dakota

Cheapest flights from Lexington to South Dakota
Explore the most affordable flight options available from Lexington to South Dakota. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2025.

This American Airlines deal was found by Cheapflights users on 9/16. 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 11/126:40 amLEX - FSD
1 stop4h 48mAmerican Airlines
Wed 11/124:00 pmFSD - LEX
1 stop6h 38mAmerican Airlines
Deal found 9/16$429
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.
Sat 11/226:55 pmLEX - FSD
1 stop6h 04mAmerican Airlines
Sat 11/295:29 amFSD - LEX
1 stop4h 08mAmerican Airlines
Deal found 9/15$492

Cheapflights Fare Finder

 
Customize your flight search to find flights from Lexington to South Dakota 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 17, 2025.
Use the filters below to find and compare flights from Lexington to South Dakota that are best for you.

Fly from

Lexington

Fly to

South Dakota

Route

Depart

Return

Price

LexingtonRapid City

LEX - RAP

LEXRAP

Lexington Blue Grass

Sat 3/7

7:30 am-3:14 pm

2 stops9h 44m

Rapid City

Tue 3/10

10:40 am-9:39 pm

2 stops8h 59m

$319

LexingtonSioux Falls

LEX - FSD

LEXFSD

Lexington Blue Grass

Wed 11/12

6:40 am-10:28 am

1 stop4h 48m

Sioux Falls Joe Foss Field

Wed 11/12

4:00 pm-11:38 pm

1 stop6h 38m

$429

LexingtonSioux Falls

LEX - FSD

LEXFSD

Lexington Blue Grass

Sat 11/22

6:55 pm-11:59 pm

1 stop6h 04m

Sioux Falls Joe Foss Field

Sat 11/29

5:29 am-10:37 am

1 stop4h 08m

$492

LexingtonRapid City

LEX - RAP

LEXRAP

Lexington Blue Grass

Sat 3/7

9:00 am-6:53 pm

1 stop11h 53m

Rapid City

Tue 3/10

5:30 am-4:55 pm

2 stops9h 25m

$563

LexingtonRapid City

LEX - RAP

LEXRAP

Lexington Blue Grass

Sat 3/7

2:08 pm-8:11 pm

1 stop8h 03m

Rapid City

Tue 3/10

5:51 am-1:13 pm

1 stop5h 22m

$657

LexingtonSioux Falls

LEX - FSD

LEXFSD

Lexington Blue Grass

Sat 10/4

6:15 pm-11:02 pm

1 stop5h 47m

$322

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/17

Best time to book a flight from Lexington to South Dakota

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

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

Currently, September is the cheapest month in which you can book a flight from Lexington to South Dakota (average of $334). Flying from Lexington to South Dakota in December is currently the most expensive (average of $446). 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.

How much does it cost to fly round-trip from Lexington to South Dakota?

Reviews of airlines servicing South Dakota

Get insights into the airlines that provide service to South Dakota. 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 South Dakota. Reviews last updated September 17, 2025.
See what other customers who have flown with United Airlines and American Airlines from Lexington to South Dakota have to say. 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.

Entertainment

7.1

Overall

7.4

Boarding

7.7

Comfort

7.3

Crew

8.1

Food

6.6

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

Entertainment

7.1

Overall

7.4

Boarding

7.7

Comfort

7.3

Crew

8.1

Food

6.6

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

Entertainment

7.1

Overall

7.4

Boarding

7.7

Comfort

7.3

Crew

8.1

Food

6.6

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

Related info for your journey

Find useful and relevant information for your journey from Lexington to South Dakota. 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 from for flights from Lexington to South Dakota?

    Lexington Blue Grass (LEX) is the airport you will fly out of if you book a flight from Lexington to South Dakota. It is only a 5.6 mi journey to Blue Grass (LEX) from Lexington’s city center.

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

    Airlines like Delta, American Airlines, and United Airlines fly from Lexington to South Dakota in about 4h 48m. The time it takes to get you to your destination can typically vary by up to 7h 05m. Lexington and South Dakota are separated by a distance of 740 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

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

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

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

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

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

    Currently, September is the cheapest month in which you can book a flight from Lexington to South Dakota (average of $334). Flying from Lexington to South Dakota in December is currently the most expensive (average of $446). 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

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Alternative routes for Lexington to South Dakota

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

Top 2 airlines flying from Lexington to South Dakota

Discover the top 2 airlines that operate flights from Lexington to South Dakota. 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 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$248Average$453FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$432Average$508FlexibilityNo cancel feeOn-time69%

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