$418+ 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 9/21. Fares are subject to change and may not be available on all flights or dates of travel.
LEX — FSD
Oct 8 — Oct 151
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Lexington to South Dakota with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Lexington to South Dakota
Cheapest
Best
Last-minute
Cheapest flights from Lexington to South DakotaExplore 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 8, 2026.
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 8, 2026.
This American Airlines deal was found by Cheapflights users on 9/7. 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.
Mon 9/216:01 pm -
1 stop7h 28m
Mon 9/2812:56 pm -
2 stops9h 50m
Deal found 9/7![American Airlines logo]()
$418
This United Airlines deal was found by Cheapflights users on 9/3. 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 11/149:00 am -
1 stop5h 48m
Wed 11/1812:39 pm -
1 stop7h 57m
Deal found 9/3![United Airlines logo]()
$419
This United Airlines deal was found by Cheapflights users on 9/3. 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 9/115:57 pm -
1 stop6h 15m
Sun 9/136:41 pm -
1 stop4h 24m
Deal found 9/3![United Airlines logo]()
$452
This Delta deal was found by Cheapflights users on 9/6. 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 11/1312:50 pm -
1 stop8h 06m
Sun 11/155:25 am -
1 stop5h 24m
Deal found 9/6![Delta logo]()
$459
This United Airlines deal was found by Cheapflights users on 9/4. 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.
Mon 9/215:57 pm -
1 stop6h 15m
Mon 9/286:31 pm -
1 stop4h 24m
Deal found 9/4![United Airlines logo]()
$494
This United Airlines deal was found by Cheapflights users on 9/8. 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 9/239:15 am -
1 stop5h 09m
Sun 9/2712:30 pm -
1 stop7h 39m
Deal found 9/8![United Airlines logo]()
$509
This United Airlines deal was found by Cheapflights users on 9/8. 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 9/151:58 pm -
2 stops10h 35m
Wed 9/2312:30 pm -
1 stop8h 08m
Deal found 9/8![United Airlines logo]()
$724
This United Airlines deal was found by Cheapflights users on 9/6. 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.
Mon 9/219:50 am -
2 stops10h 02m
Fri 9/2512:30 pm -
1 stop7h 39m
Deal found 9/6![United Airlines logo]()
$820
Best flights from Lexington to South DakotaDiscover carefully curated flight deals from Lexington to South Dakota that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 8, 2026.
Discover carefully curated flight deals from Lexington to South Dakota that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 8, 2026.
This United Airlines deal was found by Cheapflights users on 9/3. 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 11/149:00 am -
1 stop5h 48m
Wed 11/1812:39 pm -
1 stop7h 57m
Deal found 9/3![United Airlines logo]()
$419
This Delta deal was found by Cheapflights users on 9/6. 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 11/1312:50 pm -
1 stop8h 06m
Sun 11/155:25 am -
1 stop5h 24m
Deal found 9/6![Delta logo]()
$459
This American Airlines deal was found by Cheapflights users on 9/7. 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.
Mon 9/216:01 pm -
1 stop7h 28m
Mon 9/2812:06 pm -
1 stop4h 25m
Deal found 9/7![American Airlines logo]()
$517
This United Airlines deal was found by Cheapflights users on 9/4. 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 2/66:09 pm -
1 stop5h 14m
Tue 2/910:00 am -
1 stop6h 17m
Deal found 9/4![United Airlines logo]()
$419
This United Airlines deal was found by Cheapflights users on 9/4. 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.
Mon 9/215:57 pm -
1 stop6h 15m
Mon 9/286:31 pm -
1 stop4h 24m
Deal found 9/4![United Airlines logo]()
$494
Last-minute flights from Lexington to South DakotaDiscover last-minute flight deals from Lexington to South Dakota. Data last updated September 8, 2026 and is based on user searches.
Discover last-minute flight deals from Lexington to South Dakota. Data last updated September 8, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 9/3. 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 9/115:57 pm -
1 stop6h 15m
Sun 9/136:41 pm -
1 stop4h 24m
Deal found 9/3![United Airlines logo]()
$452
This United Airlines deal was found by Cheapflights users on 9/8. 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 9/151:58 pm -
2 stops10h 35m
Wed 9/2312:30 pm -
1 stop8h 08m
Deal found 9/8![United Airlines logo]()
$724
This American Airlines deal was found by Cheapflights users on 9/3. 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 9/176:01 pm -
1 stop7h 28m
Sun 9/206:00 am -
1 stop6h 06m
Deal found 9/3![American Airlines logo]()
$605
This American Airlines deal was found by Cheapflights users on 9/7. 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.
Mon 9/216:01 pm -
1 stop7h 28m
Mon 9/2812:56 pm -
2 stops9h 50m
Deal found 9/7![American Airlines logo]()
$418
This United Airlines deal was found by Cheapflights users on 9/4. 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.
Mon 9/215:57 pm -
1 stop6h 15m
Mon 9/286:31 pm -
1 stop4h 24m
Deal found 9/4![United Airlines logo]()
$494
This United Airlines deal was found by Cheapflights users on 9/6. 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.
Mon 9/219:50 am -
2 stops10h 02m
Fri 9/2512:30 pm -
1 stop7h 39m
Deal found 9/6![United Airlines logo]()
$820
This American Airlines deal was found by Cheapflights users on 9/6. 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.
Mon 9/215:43 pm -
1 stop5h 40m
Fri 9/256:07 pm -
1 stop21h 24m
Deal found 9/6![American Airlines logo]()
$941
This United Airlines deal was found by Cheapflights users on 9/8. 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 9/239:15 am -
1 stop5h 09m
Sun 9/2712:30 pm -
1 stop7h 39m
Deal found 9/8![United Airlines logo]()
$509
Find 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 8, 2026.
Round-trip from | $418 (American Airlines) |
|---|
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 7,457,451 searches. Data last updated September 8, 2026.
Use the filters below to find and compare flights from Lexington to South Dakota that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
LexingtonRapid City
LEX Lexington Blue Grass - RAP Rapid City
LEXRAP
Lexington Blue Grass
Sat 11/14
9:00 am-12:48 pm
1 stop5h 48m
Rapid City
Wed 11/18
12:39 pm-10:36 pm
1 stop7h 57m
$419
LexingtonSioux Falls
LEX Lexington Blue Grass - FSD Sioux Falls Joe Foss Field
LEXFSD
Lexington Blue Grass
Sat 2/6
6:09 pm-10:23 pm
1 stop5h 14m
Sioux Falls Joe Foss Field
Tue 2/9
10:00 am-5:17 pm
1 stop6h 17m
$419
LexingtonSioux Falls
LEX Lexington Blue Grass - FSD Sioux Falls Joe Foss Field
LEXFSD
Lexington Blue Grass
Fri 11/13
12:50 pm-7:56 pm
1 stop8h 06m
Sioux Falls Joe Foss Field
Sun 11/15
5:25 am-11:49 am
1 stop5h 24m
$459
Quickest round-trip
LexingtonSioux Falls
LEX Lexington Blue Grass - FSD Sioux Falls Joe Foss Field
LEXFSD
Lexington Blue Grass
Mon 9/21
5:57 pm-11:12 pm
1 stop6h 15m
Sioux Falls Joe Foss Field
Mon 9/28
6:31 pm-11:55 pm
1 stop4h 24m
$494
LexingtonSioux Falls
LEX Lexington Blue Grass - FSD Sioux Falls Joe Foss Field
LEXFSD
Lexington Blue Grass
Mon 9/21
6:01 pm-12:29 am
1 stop7h 28m
Sioux Falls Joe Foss Field
Mon 9/28
12:06 pm-5:31 pm
1 stop4h 25m
$517
Sorted by cheapest first
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.
LEX-RAP
LEX-FSD
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
LEX-USSD
LEX-RAP
LEX-FSD
No data available for this route at this time. Please check back soon.
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 8, 2026.
See what other customers who have flown with 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.
Boarding
7.5
Overall
7.1
Entertainment
6.8
Food
6.4
Comfort
7.2
Crew
7.9
Reviews
1 / 20
10.0
ExcellentLinda,Jul 2026
ROA - CLT
Boarding
7.5
Overall
7.1
Entertainment
6.8
Food
6.4
Comfort
7.2
Crew
7.9
Reviews
1 / 20
10.0
ExcellentLinda,Jul 2026
ROA - CLT
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.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Popular flights
Alternative routes for Lexington to South Dakota
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to South Dakota by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Lexington to South Dakota by cabin class
Find flights from Lexington to South Dakota, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Lexington and South Dakota flights
Browse other Lexington and South Dakota flight options. Last updated on September 8, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top airline flying from Lexington to South Dakota
Discover the top airline 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 7,457,451 searches. Data last updated September 8, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$380 | Average$553 | FlexibilityNo cancel fee | On-time71% |