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Lexington

$304+ 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 7/9. Fares are subject to change and may not be available on all flights or dates of travel.
RAP — LEX
Jun 25 — Jul 21
Thu 6/25
Thu 7/2
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 May 26, 2026.

This United Airlines deal was found by Cheapflights users on 5/21. 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 8/2512:30 pm
RAP
-
LEX
1 stop8h 08m
United Airlines
Sat 8/297:00 am
LEX
-
RAP
1 stop5h 26m
United Airlines
Deal found 5/21$409
This United Airlines deal was found by Cheapflights users on 5/22. 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 5/226:30 pm
FSD
-
LEX
1 stop4h 29m
United Airlines
Tue 5/265:45 pm
LEX
-
FSD
1 stop6h 41m
United Airlines
Deal found 5/22$426
This American Airlines deal was found by Cheapflights users on 5/22. 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 5/2212:07 pm
FSD
-
LEX
2 stops10h 54m
American Airlines
Tue 5/2611:12 am
LEX
-
FSD
1 stop6h 04m
American Airlines
Deal found 5/22$431
This Delta deal was found by Cheapflights users on 5/25. 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 6/155:24 am
FSD
-
LEX
1 stop5h 55m
Delta
Sat 6/205:59 pm
LEX
-
FSD
2 stops5h 55m
Delta
Deal found 5/25$434
This American Airlines deal was found by Cheapflights users on 5/21. 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 5/2212:07 pm
FSD
-
LEX
2 stops9h 35m
American Airlines
Wed 5/271:08 pm
LEX
-
FSD
2 stops10h 49m
American Airlines
Deal found 5/21$436
This United Airlines deal was found by Cheapflights users on 5/22. 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 8/291:33 pm
FSD
-
LEX
1 stop8h 05m
United Airlines
Wed 9/26:15 pm
LEX
-
FSD
1 stop6h 07m
United Airlines
Deal found 5/22$474
This United Airlines deal was found by Cheapflights users on 5/24. 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 12/127:05 am
RAP
-
LEX
2 stops7h 50m
United Airlines
Tue 12/1511:10 am
LEX
-
RAP
2 stops11h 23m
United Airlines
Deal found 5/24$499
This Delta deal was found by Cheapflights users on 5/21. 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.
Fri 9/1110:40 am
RAP
-
LEX
2 stops11h 15m
Delta
Tue 9/155:50 pm
LEX
-
RAP
2 stops6h 08m
Delta
Deal found 5/21$513
This American Airlines deal was found by Cheapflights users on 5/23. 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 10/225:59 pm
FSD
-
LEX
1 stop22h 22m
American Airlines
Sun 10/256:49 am
LEX
-
FSD
1 stop8h 16m
American Airlines
Deal found 5/23$611
This United Airlines deal was found by Cheapflights users on 5/23. 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 6/312:31 pm
RAP
-
LEX
1 stop7h 54m
United Airlines
Mon 6/85:45 pm
LEX
-
RAP
1 stop7h 31m
United Airlines
Deal found 5/23$644

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 May 26, 2026.

Round-trip from

$409
(United Airlines)

One-way from

$304
(American Airlines)
From South Dakota to Lexington Blue Grass
Search Deals
One-way flight from South Dakota to Lexington Blue Grass
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 May 26, 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

Cheapest round-trip

Rapid CityLexington

RAP - LEX

RAPLEX

Rapid City

Tue 8/25

12:30 pm-10:38 pm

1 stop8h 08m

Lexington Blue Grass

Sat 8/29

7:00 am-10:26 am

1 stop5h 26m

$409
Quickest round-trip

Sioux FallsLexington

FSD - LEX

FSDLEX

Sioux Falls Joe Foss Field

Mon 6/15

5:24 am-12:19 pm

1 stop5h 55m

Lexington Blue Grass

Sat 6/20

5:59 pm-10:54 pm

2 stops5h 55m

$434

Sioux FallsLexington

FSD - LEX

FSDLEX

Sioux Falls Joe Foss Field

Sat 8/29

1:33 pm-10:38 pm

1 stop8h 05m

Lexington Blue Grass

Wed 9/2

6:15 pm-11:22 pm

1 stop6h 07m

$474

Rapid CityLexington

RAP - LEX

RAPLEX

Rapid City

Fri 9/11

10:40 am-11:55 pm

2 stops11h 15m

Lexington Blue Grass

Tue 9/15

5:50 pm-9:58 pm

2 stops6h 08m

$513

Rapid CityLexington

RAP - LEX

RAPLEX

Rapid City

Thu 9/10

10:40 am-9:33 pm

2 stops8h 53m

Lexington Blue Grass

Mon 9/14

7:30 am-3:10 pm

2 stops9h 40m

$773

Rapid CityLexington

RAP - LEX

RAPLEX

Rapid City

Sat 9/12

6:30 am-5:13 pm

1 stop8h 43m

Lexington Blue Grass

Mon 9/14

5:43 pm-9:23 pm

1 stop5h 40m

$778

Sioux FallsLexington

FSD - LEX

FSDLEX

Sioux Falls Joe Foss Field

Thu 10/22

7:18 am-9:39 pm

2 stops13h 21m

Lexington Blue Grass

Sun 10/25

7:53 am-4:40 pm

2 stops9h 47m

$780

Rapid CityLexington

RAP - LEX

RAPLEX

Rapid City

Sat 9/12

10:40 am-11:55 pm

2 stops11h 15m

Lexington Blue Grass

Wed 9/16

7:10 am-3:10 pm

2 stops10h 00m

$1,938
Cheapest one-way
Quickest one-way

Rapid CityLexington

RAP - LEX

RAPLEX

Rapid City

Thu 7/9

11:50 am-10:23 pm

1 stop8h 33m

$304

Rapid CityLexington

RAP - LEX

RAPLEX

Rapid City

Tue 7/14

3:25 pm-10:50 am

1 stop17h 25m

$340

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/21

Showing 1-10 of 12 resultsSorted by cheapest first
1
2

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
No data available for this route at this time. Please check back soon.

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 $434, United Airlines can have you in Lexington from South Dakota in 5h 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.

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
Frankfort
Georgetown

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Alternative routes for South Dakota to Lexington

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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 May 26, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$248Average$438FlexibilityNo cancel feeOn-time71%

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