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Lexington

$151+ 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 9/16. Fares are subject to change and may not be available on all flights or dates of travel.
FSD — LEX
Aug 25 — Sep 11
Mon 8/25
Mon 9/1
1 adult, Economy
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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 August 20, 2025.

Round-trip from

$319
(United Airlines)

One-way from

$151
(United Airlines)

Popular in

May

Cheapest in

November

Average price

$538
From South Dakota to Lexington Blue Grass
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One-way flight from South Dakota to Lexington Blue Grass
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Highest demand for flights based on searches. 27% potential increase in price ($200 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($31 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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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 August 20, 2025.

This American Airlines deal was found by Cheapflights users on 8/20. 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 8/215:15 pmFSD - LEX
1 stop5h 50mAmerican Airlines
Thu 8/286:00 amLEX - FSD
1 stop7h 17mAmerican Airlines
Deal found 8/20$324
This American Airlines deal was found by Cheapflights users on 8/18. 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 8/227:01 amFSD - LEX
1 stop5h 41mAmerican Airlines
Mon 8/254:04 pmLEX - FSD
2 stops9h 24mAmerican Airlines
Deal found 8/18$329
This American Airlines deal was found by Cheapflights users on 8/19. 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 9/35:33 pmFSD - LEX
1 stop5h 53mAmerican Airlines
Sun 9/77:27 amLEX - FSD
1 stop6h 12mAmerican Airlines
Deal found 8/19$377
This American Airlines deal was found by Cheapflights users on 8/19. 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 8/2211:25 amRAP - LEX
1 stop7h 28mAmerican Airlines
Sat 8/235:40 amLEX - RAP
1 stop7h 59mAmerican Airlines
Deal found 8/19$389
This American Airlines deal was found by Cheapflights users on 8/18. 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 10/304:28 pmRAP - LEX
1 stop5h 29mAmerican Airlines
Tue 11/47:00 amLEX - RAP
1 stop8h 50mAmerican Airlines
Deal found 8/18$410
This United Airlines deal was found by Cheapflights users on 8/19. 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 9/23:12 pmFSD - LEX
1 stop7h 25mUnited Airlines
Fri 9/511:10 amLEX - FSD
1 stop24h 35mUnited Airlines
Deal found 8/19$418
This United Airlines deal was found by Cheapflights users on 8/20. 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 8/20$433
This United Airlines deal was found by Cheapflights users on 8/18. 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 9/181:35 pmRAP - LEX
1 stop21h 49mUnited Airlines
Tue 9/237:00 amLEX - RAP
2 stops12h 04mUnited Airlines
Deal found 8/18$527
This United Airlines deal was found by Cheapflights users on 8/19. 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 9/197:00 amRAP - LEX
1 stop13h 16mUnited Airlines
Sat 9/2011:10 amLEX - RAP
1 stop25h 12mUnited Airlines
Deal found 8/19$532
This American Airlines deal was found by Cheapflights users on 8/19. 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 9/116:00 pmFSD - LEX
1 stop4h 28mAmerican Airlines
Sun 9/146:34 pmLEX - FSD
1 stop6h 25mAmerican Airlines
Deal found 8/19$563
This United Airlines deal was found by Cheapflights users on 8/19. 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 10/168:00 amFSD - LEX
1 stop14h 59mUnited Airlines
Mon 10/206:01 pmLEX - FSD
1 stop5h 21mUnited Airlines
Deal found 8/19$588
This Delta deal was found by Cheapflights users on 8/19. 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.
Tue 9/212:56 pmFSD - LEX
2 stops9h 54mDelta
Fri 9/53:40 pmLEX - FSD
2 stops9h 06mDelta
Deal found 8/19$601

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 August 20, 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

Wed 9/3

5:33 pm-12:26 am

1 stop5h 53m

Lexington Blue Grass

Sun 9/7

7:27 am-12:39 pm

1 stop6h 12m

$377

Rapid CityLexington

RAP - LEX

RAPLEX

Rapid City

Thu 10/30

4:28 pm-11:57 pm

1 stop5h 29m

Lexington Blue Grass

Tue 11/4

7:00 am-1:50 pm

1 stop8h 50m

$410

Sioux FallsLexington

FSD - LEX

FSDLEX

Sioux Falls Joe Foss Field

Tue 9/2

3:12 pm-11:37 pm

1 stop7h 25m

Lexington Blue Grass

Fri 9/5

11:10 am-10:45 am

1 stop24h 35m

$418

Rapid CityLexington

RAP - LEX

RAPLEX

Rapid City

Thu 10/16

1:44 pm-11:59 pm

1 stop8h 15m

Lexington Blue Grass

Tue 10/21

7:05 am-10:13 am

1 stop5h 08m

$433

Rapid CityLexington

RAP - LEX

RAPLEX

Rapid City

Thu 9/18

1:35 pm-1:24 pm

1 stop21h 49m

Lexington Blue Grass

Tue 9/23

7:00 am-10:22 am

1 stop5h 22m

$458

Rapid CityLexington

RAP - LEX

RAPLEX

Rapid City

Fri 9/19

7:00 am-10:16 pm

1 stop13h 16m

Lexington Blue Grass

Sat 9/20

11:10 am-10:22 am

1 stop25h 12m

$532

Sioux FallsLexington

FSD - LEX

FSDLEX

Sioux Falls Joe Foss Field

Thu 9/11

6:00 pm-11:28 pm

1 stop4h 28m

Lexington Blue Grass

Sun 9/14

6:34 pm-11:59 pm

1 stop6h 25m

$563

Sioux FallsLexington

FSD - LEX

FSDLEX

Sioux Falls Joe Foss Field

Thu 10/16

8:00 am-11:59 pm

1 stop14h 59m

Lexington Blue Grass

Mon 10/20

6:01 pm-10:22 pm

1 stop5h 21m

$588

Sioux FallsLexington

FSD - LEX

FSDLEX

Sioux Falls Joe Foss Field

Tue 9/2

12:56 pm-11:50 pm

2 stops9h 54m

Lexington Blue Grass

Fri 9/5

3:40 pm-11:46 pm

2 stops9h 06m

$601

Sioux FallsLexington

FSD - LEX

FSDLEX

Sioux Falls Joe Foss Field

Thu 9/11

6:00 am-11:37 pm

2 stops16h 37m

Lexington Blue Grass

Sun 9/14

7:00 am-10:41 am

2 stops28h 41m

$735

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/18

Showing 1-10 of 15 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 $377, American Airlines can have you in Lexington from South Dakota in 5h 53m. 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, 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

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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 August 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$248Average$450FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$338Average$609FlexibilityNo cancel feeOn-time69%

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