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South Dakota

$208+ Cheap flights from Lexington (LEX) to South Dakota

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 10/5. Fares are subject to change and may not be available on all flights or dates of travel.
LEX — FSD
ago. 25 — sep. 11
lun. 8/25
lun. 9/1
1 adult, Economy
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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 agosto 20, 2025.

Round-trip from

$329
(United Airlines)

One-way from

$208
(Kiwi.com)

Popular in

October

Cheapest in

July

Average price

$396
From Lexington Blue Grass to South Dakota
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One-way flight from Lexington Blue Grass to South Dakota
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Highest demand for flights based on searches. 8% potential increase in price ($42 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($15 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 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 agosto 20, 2025.

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.
mar. 9/27:00 amLEX - FSD
1 stop4h 45mUnited Airlines
sáb. 9/66:11 pmFSD - LEX
1 stop4h 26mUnited Airlines
Deal found 8/18$329
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 8/296:10 pmLEX - FSD
1 stop5h 56mDelta
lun. 9/15:00 amFSD - LEX
2 stops6h 18mDelta
Deal found 8/18$359
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.
mar. 10/217:05 amLEX - RAP
2 stops10h 55mUnited Airlines
jue. 10/2311:15 amRAP - LEX
2 stops10h 44mUnited Airlines
Deal found 8/19$401
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.
mar. 10/2112:15 pmLEX - RAP
1 stop5h 48mAmerican Airlines
jue. 10/234:28 pmRAP - LEX
1 stop5h 29mAmerican Airlines
Deal found 8/19$431
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.
mié. 9/37:00 amLEX - FSD
2 stops14h 29mUnited Airlines
dom. 9/76:11 pmFSD - LEX
1 stop4h 26mUnited Airlines
Deal found 8/19$463
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.
mar. 8/267:56 amLEX - RAP
1 stop7h 20mAmerican Airlines
sáb. 8/305:39 amRAP - LEX
1 stop6h 03mAmerican Airlines
Deal found 8/19$468
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.
mar. 9/99:20 amLEX - RAP
1 stop5h 18mUnited Airlines
mar. 9/168:32 amRAP - LEX
2 stops10h 16mUnited Airlines
Deal found 8/19$474
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.
mié. 9/37:00 amLEX - RAP
1 stop5h 22mUnited Airlines
dom. 9/71:35 pmRAP - LEX
1 stop5h 13mUnited Airlines
Deal found 8/19$482
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.
sáb. 11/2211:17 amLEX - FSD
2 stops8h 28mAmerican Airlines
sáb. 11/291:43 pmFSD - LEX
2 stops9h 16mAmerican Airlines
Deal found 8/18$488
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.
mar. 9/94:41 pmLEX - RAP
1 stop6h 12mAmerican Airlines
lun. 9/155:00 pmRAP - LEX
1 stop5h 26mAmerican Airlines
Deal found 8/19$490
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.
mar. 9/912:39 pmLEX - RAP
2 stops10h 14mAmerican Airlines
mié. 9/175:00 pmRAP - LEX
1 stop5h 26mAmerican Airlines
Deal found 8/19$494
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.
vie. 10/107:00 pmLEX - FSD
1 stop4h 42mAmerican Airlines
dom. 10/125:48 pmFSD - LEX
1 stop4h 33mAmerican Airlines
Deal found 8/18$495

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 agosto 20, 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

LexingtonSioux Falls

LEX - FSD

LEXFSD

Lexington Blue Grass

mar. 9/2

7:00 am-10:45 am

1 stop4h 45m

Sioux Falls Joe Foss Field

sáb. 9/6

6:11 pm-11:37 pm

1 stop4h 26m

$329

LexingtonSioux Falls

LEX - FSD

LEXFSD

Lexington Blue Grass

mié. 9/3

1:59 pm-5:27 pm

1 stop4h 28m

Sioux Falls Joe Foss Field

dom. 9/7

6:11 pm-11:37 pm

1 stop4h 26m

$329

LexingtonRapid City

LEX - RAP

LEXRAP

Lexington Blue Grass

mar. 10/21

7:05 am-4:00 pm

2 stops10h 55m

Rapid City

jue. 10/23

11:15 am-11:59 pm

2 stops10h 44m

$401

LexingtonRapid City

LEX - RAP

LEXRAP

Lexington Blue Grass

mar. 10/21

12:15 pm-4:03 pm

1 stop5h 48m

Rapid City

jue. 10/23

4:28 pm-11:57 pm

1 stop5h 29m

$431

LexingtonRapid City

LEX - RAP

LEXRAP

Lexington Blue Grass

mar. 9/9

9:20 am-12:38 pm

1 stop5h 18m

Rapid City

mar. 9/16

7:00 am-8:48 pm

2 stops11h 48m

$474

LexingtonRapid City

LEX - RAP

LEXRAP

Lexington Blue Grass

mié. 9/3

7:00 am-10:22 am

1 stop5h 22m

Rapid City

dom. 9/7

1:35 pm-8:48 pm

1 stop5h 13m

$482

LexingtonSioux Falls

LEX - FSD

LEXFSD

Lexington Blue Grass

sáb. 11/22

11:17 am-6:45 pm

2 stops8h 28m

Sioux Falls Joe Foss Field

sáb. 11/29

1:43 pm-11:59 pm

2 stops9h 16m

$488

LexingtonRapid City

LEX - RAP

LEXRAP

Lexington Blue Grass

mar. 9/9

4:41 pm-8:53 pm

1 stop6h 12m

Rapid City

lun. 9/15

5:00 pm-12:26 am

1 stop5h 26m

$490

LexingtonRapid City

LEX - RAP

LEXRAP

Lexington Blue Grass

mar. 9/9

12:39 pm-8:53 pm

2 stops10h 14m

Rapid City

mié. 9/17

5:00 pm-12:26 am

1 stop5h 26m

$494

LexingtonRapid City

LEX - RAP

LEXRAP

Lexington Blue Grass

sáb. 9/6

12:54 pm-8:53 pm

2 stops9h 59m

Rapid City

lun. 9/15

5:00 pm-12:26 am

1 stop5h 26m

$495

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/20

Showing 1-10 of 19 results
1
2

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 agosto 20, 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.
United Airlines
7.4
Good
8,928 reviews

Food

6.6

Boarding

7.7

Crew

8.1

Entertainment

7.1

Comfort

7.3

Overall

7.4

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!
United Airlines
7.4
Good
8,928 reviews
United Airlines
7.4
Good
8,928 reviews

Food

6.6

Boarding

7.7

Crew

8.1

Entertainment

7.1

Comfort

7.3

Overall

7.4

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!
American Airlines
7.2
Good
10,000 reviews
United Airlines
7.4
Good
8,928 reviews

Food

6.6

Boarding

7.7

Crew

8.1

Entertainment

7.1

Comfort

7.3

Overall

7.4

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 United Airlines and American Airlines fly from Lexington to South Dakota in about 4h 45m. The time it takes to get you to your destination can typically vary by up to 1h 03m. 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.

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

    For one-way options, check prices for Allegiant Air. According to our data, you can fly for as low as $208. Users have also found prices from $329 and $425 on American Airlines and Delta, respectively.

  • 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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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 agosto 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$248Average$445FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$432Average$508FlexibilityNo cancel feeOn-time69%

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