$349+ Cheap flights from Rapid City to Lexington (RAP - 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 11/3. Fares are subject to change and may not be available on all flights or dates of travel.
RAP — LEX
Oct 17 — Oct 241
Round-trip
1 adult, Economy
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Find cheap flights from Rapid City to Lexington 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 Rapid City to Lexington
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Best
Last-minute
Cheapest flights from Rapid City to LexingtonExplore the most affordable flight options available from Rapid City to Lexington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2026.
Explore the most affordable flight options available from Rapid City to Lexington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2026.
This American Airlines deal was found by Cheapflights users on 9/16. 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.
Tue 11/36:11 am -
1 stop7h 13m
Sat 11/73:54 pm -
1 stop7h 33m
Deal found 9/16![American Airlines logo]()
$349
This Delta deal was found by Cheapflights users on 9/17. 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.
Sat 10/2411:29 am -
1 stop5h 22m
Tue 10/277:10 am -
2 stops10h 48m
Deal found 9/17![Delta logo]()
$354
This Delta deal was found by Cheapflights users on 9/14. 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 11/311:29 am -
2 stops9h 24m
Sat 11/76:00 am -
2 stops11h 58m
Deal found 9/14![Delta logo]()
$359
This American Airlines deal was found by Cheapflights users on 9/14. 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.
Sat 10/2410:24 am -
1 stop6h 47m
Tue 10/273:54 pm -
1 stop7h 45m
Deal found 9/14![American Airlines logo]()
$410
Best flights from Rapid City to LexingtonDiscover carefully curated flight deals from Rapid City to Lexington that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 17, 2026.
Discover carefully curated flight deals from Rapid City to Lexington that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 17, 2026.
This Delta deal was found by Cheapflights users on 9/16. 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.
Sat 10/2411:29 am -
1 stop5h 22m
Tue 10/277:45 am -
2 stops10h 13m
Deal found 9/16![Delta logo]()
$354
This American Airlines deal was found by Cheapflights users on 9/15. 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.
Sat 10/246:00 am -
1 stop7h 23m
Tue 10/275:29 am -
2 stops12h 56m
Deal found 9/15![American Airlines logo]()
$354
This United Airlines deal was found by Cheapflights users on 9/17. 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 10/2412:30 pm -
1 stop7h 39m
Tue 10/275:30 am -
1 stop7h 01m
Deal found 9/17![United Airlines logo]()
$439
This Delta deal was found by Cheapflights users on 9/14. 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 11/311:29 am -
2 stops9h 24m
Sat 11/76:00 am -
2 stops11h 58m
Deal found 9/14![Delta logo]()
$359
This United Airlines deal was found by Cheapflights users on 9/15. 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 12/56:00 am -
1 stop5h 00m
Tue 12/86:05 pm -
1 stop5h 37m
Deal found 9/15![United Airlines logo]()
$439
Last-minute flights from Rapid City to LexingtonDiscover last-minute flight deals from Rapid City to Lexington. Data last updated September 17, 2026 and is based on user searches.
Discover last-minute flight deals from Rapid City to Lexington. Data last updated September 17, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 9/13. 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.
Tue 9/2212:47 pm -
1 stop8h 34m
Sat 9/265:23 am -
1 stop7h 52m
Deal found 9/13![American Airlines logo]()
$512
This American Airlines deal was found by Cheapflights users on 9/15. 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.
Sat 10/2410:24 am -
1 stop6h 47m
Tue 10/273:54 pm -
1 stop7h 45m
Deal found 9/15![American Airlines logo]()
$349
This Delta deal was found by Cheapflights users on 9/17. 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.
Sat 10/2411:29 am -
1 stop5h 22m
Tue 10/277:10 am -
2 stops10h 48m
Deal found 9/17![Delta logo]()
$354
This United Airlines deal was found by Cheapflights users on 9/17. 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 10/2412:30 pm -
1 stop7h 39m
Tue 10/275:30 am -
1 stop7h 01m
Deal found 9/17![United Airlines logo]()
$439
Find flight deals from Rapid City to Lexington
Discover tips and strategies to find the most affordable flight options for your journey from Rapid City (RAP) to Lexington (LEX). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 17, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $349 (American Airlines) |
Cheapflights Fare Finder
Customize your flight search to find flights from Rapid City 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 7,457,451 searches. Data last updated September 17, 2026.
Use the filters below to find and compare flights from Rapid City to Lexington that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Rapid CityLexington
RAP Rapid City - LEX Lexington Blue Grass
RAPLEX
Rapid City
Sat 10/24
11:29 am-6:51 pm
1 stop5h 22m
Lexington Blue Grass
Tue 10/27
7:45 am-3:58 pm
2 stops10h 13m
$354
Rapid CityLexington
RAP Rapid City - LEX Lexington Blue Grass
RAPLEX
Rapid City
Sat 10/24
6:00 am-3:23 pm
1 stop7h 23m
Lexington Blue Grass
Tue 10/27
5:29 am-4:25 pm
2 stops12h 56m
$354
Rapid CityLexington
RAP Rapid City - LEX Lexington Blue Grass
RAPLEX
Rapid City
Tue 11/3
11:29 am-10:53 pm
2 stops9h 24m
Lexington Blue Grass
Sat 11/7
6:00 am-3:58 pm
2 stops11h 58m
$359
Rapid CityLexington
RAP Rapid City - LEX Lexington Blue Grass
RAPLEX
Rapid City
Sat 10/24
12:30 pm-10:09 pm
1 stop7h 39m
Lexington Blue Grass
Tue 10/27
5:30 am-10:31 am
1 stop7h 01m
$439
Quickest round-trip
Rapid CityLexington
RAP Rapid City - LEX Lexington Blue Grass
RAPLEX
Rapid City
Sat 12/5
6:00 am-1:00 pm
1 stop5h 00m
Lexington Blue Grass
Tue 12/8
6:05 pm-9:42 pm
1 stop5h 37m
$439
Sorted by cheapest first
Compare providers for flights from Rapid City to Lexington
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Rapid City to Lexington in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Rapid City-Lexington flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Rapid City-Lexington flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Rapid City-Lexington flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Rapid City-Lexington flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Rapid City-Lexington flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Rapid City to Lexington
Have a flexible travel schedule? Discover the best time to fly to Lexington from Rapid City with our price prediction graph.
RAP-LEX
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.
Related info for your journey
Find useful and relevant information for your journey from Rapid City to Lexington. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Lexington?
Book flights to Lexington if you plan to visit one of these locationsSomerset
Richmond
Danville
Berea
Frankfort
Georgetown
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