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Lexington

$349+ 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 1/13. Fares are subject to change and may not be available on all flights or dates of travel.
FSD — LEX
Jan 29 — Feb 51
Thu 1/29
Thu 2/5
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 December 30, 2025.

This United Airlines deal was found by Cheapflights users on 12/28. 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 12/318:45 amRAP - LEX
2 stops10h 19mUnited Airlines
Wed 1/79:00 amLEX - RAP
1 stop8h 22mUnited Airlines
Deal found 12/28$462
This American Airlines deal was found by Cheapflights users on 12/28. 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 12/312:20 pmRAP - LEX
1 stop5h 45mAmerican Airlines
Wed 1/77:41 amLEX - RAP
1 stop7h 53mAmerican Airlines
Deal found 12/28$580

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 December 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$349
(United Airlines)

Popular in

May

Cheapest in

August

Average price

$553
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
Highest demand for flights based on searches. 29% potential increase in price ($215 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($36 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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 December 30, 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

Tue 1/13

7:30 am-1:25 pm

1 stop4h 55m

Lexington Blue Grass

Sat 1/17

8:35 am-2:36 pm

1 stop7h 01m

$349

Rapid CityLexington

RAP - LEX

RAPLEX

Rapid City

Tue 1/13

12:35 pm-10:30 pm

1 stop7h 55m

Lexington Blue Grass

Sat 1/17

10:30 am-8:32 pm

2 stops12h 02m

$379

Sioux FallsLexington

FSD - LEX

FSDLEX

Sioux Falls Joe Foss Field

Fri 6/5

5:33 pm-11:40 pm

1 stop5h 07m

Lexington Blue Grass

Mon 6/8

7:24 pm-12:06 am

1 stop5h 42m

$477

Sioux FallsLexington

FSD - LEX

FSDLEX

Sioux Falls Joe Foss Field

Fri 6/5

11:44 am-4:55 pm

2 stops28h 11m

Lexington Blue Grass

Mon 6/8

11:10 am-10:37 am

2 stops24h 27m

$718

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/29

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 February is currently the most expensive (average of $318). 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 $349, United Airlines can have you in Lexington from South Dakota in 4h 55m. 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 February is currently the most expensive (average of $318). 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 airline flying from South Dakota to Lexington

Discover the top airline 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 December 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$292Average$549FlexibilityNo cancel feeOn-time69%

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