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$319+ 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 3/3. Fares are subject to change and may not be available on all flights or dates of travel.
RAP — LEX
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap 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 11, 2025.

Round-trip from

$319
(Delta)
From Rapid City to Lexington Blue Grass
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Find flight deals from Rapid City to Lexington

Cheapest flights from Rapid City to Lexington
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 11, 2025.

This United Airlines deal was found by Cheapflights users on 9/11. 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 10/1612:56 pmRAP - LEX
1 stop7h 25mUnited Airlines
Tue 10/219:15 amLEX - RAP
1 stop7h 30mUnited Airlines
Deal found 9/11$339
This American Airlines deal was found by Cheapflights users on 9/11. 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 9/265:00 pmRAP - LEX
1 stop5h 26mAmerican Airlines
Tue 9/304:41 pmLEX - RAP
1 stop6h 12mAmerican Airlines
Deal found 9/11$460
This American Airlines deal was found by Cheapflights users on 9/11. 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 10/164:28 pmRAP - LEX
1 stop5h 29mAmerican Airlines
Tue 10/2112:15 pmLEX - RAP
1 stop5h 48mAmerican Airlines
Deal found 9/11$494
This United Airlines deal was found by Cheapflights users on 9/11. 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 9/268:30 amRAP - LEX
1 stop11h 51mUnited Airlines
Tue 9/3010:37 amLEX - RAP
2 stops11h 57mUnited Airlines
Deal found 9/11$508
This United Airlines deal was found by Cheapflights users on 9/10. 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 stop25h 36mUnited Airlines
Mon 10/206:01 pmLEX - RAP
1 stop18h 12mUnited Airlines
Deal found 9/10$636

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 2,558,603 searches. Data last updated September 11, 2025.
Use the filters below to find and compare flights from Rapid City to Lexington that are best for you.

Fly from

Rapid City

Fly to

Lexington

Route

Depart

Return

Price

Rapid CityLexington

RAP - LEX

RAPLEX

Rapid City

Tue 3/3

10:40 am-11:55 pm

2 stops11h 15m

Lexington Blue Grass

Sat 3/7

11:00 am-10:14 pm

2 stops13h 14m

$319

Rapid CityLexington

RAP - LEX

RAPLEX

Rapid City

Thu 10/16

12:56 pm-10:21 pm

1 stop7h 25m

Lexington Blue Grass

Tue 10/21

9:15 am-2:45 pm

1 stop7h 30m

$339

Rapid CityLexington

RAP - LEX

RAPLEX

Rapid City

Fri 9/26

5:00 pm-12:26 am

1 stop5h 26m

Lexington Blue Grass

Tue 9/30

4:41 pm-8:53 pm

1 stop6h 12m

$460

Rapid CityLexington

RAP - LEX

RAPLEX

Rapid City

Tue 3/3

1:25 pm-10:16 pm

1 stop6h 51m

Lexington Blue Grass

Sat 3/7

7:30 am-8:33 pm

2 stops15h 03m

$463

Rapid CityLexington

RAP - LEX

RAPLEX

Rapid City

Thu 10/16

4:28 pm-11:57 pm

1 stop5h 29m

Lexington Blue Grass

Tue 10/21

12:15 pm-4:03 pm

1 stop5h 48m

$494

Rapid CityLexington

RAP - LEX

RAPLEX

Rapid City

Fri 9/26

8:30 am-10:21 pm

1 stop11h 51m

Lexington Blue Grass

Tue 9/30

10:37 am-8:34 pm

2 stops11h 57m

$508

Rapid CityLexington

RAP - LEX

RAPLEX

Rapid City

Thu 9/25

4:38 pm-12:11 am

1 stop5h 33m

$321

Rapid CityLexington

RAP - LEX

RAPLEX

Rapid City

Thu 10/16

4:28 pm-11:57 pm

1 stop5h 29m

$321

Rapid CityLexington

RAP - LEX

RAPLEX

Rapid City

Thu 9/25

9:56 am-9:01 pm

2 stops9h 05m

$421

Rapid CityLexington

RAP - LEX

RAPLEX

Rapid City

Thu 10/16

12:56 pm-11:59 pm

2 stops9h 03m

$480

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/11

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.
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 Rapid City to Lexington

What is the cheapest month to book a flight from Rapid City to Lexington?

Currently, August is the cheapest month in which you can book a flight from Rapid City to Lexington (average of $303). Flying from Rapid City 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.

Reviews of airlines servicing Lexington

Get insights into the airlines that provide service to Lexington. 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 Lexington. Reviews last updated September 11, 2025.
Get a feel of what it's like to fly with United Airlines and American Airlines from Rapid City to Lexington by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,937 reviews

Food

6.6

Overall

7.4

Comfort

7.3

Crew

8.1

Entertainment

7.1

Boarding

7.7

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
8,937 reviews
United Airlines
7.4
Good
8,937 reviews

Food

6.6

Overall

7.4

Comfort

7.3

Crew

8.1

Entertainment

7.1

Boarding

7.7

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
8,937 reviews

Food

6.6

Overall

7.4

Comfort

7.3

Crew

8.1

Entertainment

7.1

Boarding

7.7

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 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.

  • How long is the flight from Rapid City to Lexington?

    Airlines like Delta, United Airlines, and American Airlines fly from Rapid City to Lexington in about 5h 26m. The time it takes to get you to your destination can typically vary by up to 5h 49m. Airlines will cover a distance of 1044 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from Rapid City to Lexington round-trip?

    United Airlines, at $292, was found to be the cheapest airline from Rapid City to Lexington. An alternate airline flying to your destination would be American Airlines.

  • Can I find deals for flights from Rapid City to Lexington that include hotel bookings?

    Yes. In addition to deals on Rapid City to Lexington flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Rapid City to Lexington?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Rapid City to Lexington.

  • Can I find deals for business class flights from Rapid City to Lexington?

    Yes. Cheapflights offers flight deals from Rapid City 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 Rapid City to Lexington?

    Currently, August is the cheapest month in which you can book a flight from Rapid City to Lexington (average of $303). Flying from Rapid City 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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Top 2 airlines flying from Rapid City to Lexington

Discover the top 2 airlines that operate flights from Rapid City 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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$292Average$510FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$323Average$672FlexibilityNo cancel feeOn-time71%

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