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Rapid City

$319+ Cheap flights from Lexington to Rapid City (LEX - RAP)

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 3/7. Fares are subject to change and may not be available on all flights or dates of travel.
LEX — RAP
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap flight deals from Lexington to Rapid City

Discover tips and strategies to find the most affordable flight options for your journey from Lexington (LEX) to Rapid City (RAP). 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)

Popular in

September

Cheapest in

January

Average price

$614
From Lexington Blue Grass to Rapid City
Search Deals
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. 2% potential price decrease ($14 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Lexington to Rapid City

Cheapest flights from Lexington to Rapid City
Explore the most affordable flight options available from Lexington to Rapid City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

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 9/2612:54 pmLEX - RAP
2 stops9h 59mAmerican Airlines
Tue 9/305:00 pmRAP - LEX
1 stop5h 26mAmerican Airlines
Deal found 9/11$514
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 9/267:33 pmLEX - RAP
2 stops25h 07mUnited Airlines
Tue 9/305:50 pmRAP - LEX
2 stops17h 44mUnited Airlines
Deal found 9/11$558

Cheapflights Fare Finder

 
Customize your flight search to find flights from Lexington to Rapid City 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 Lexington to Rapid City that are best for you.

Fly from

Lexington

Fly to

Rapid City

Route

Depart

Return

Price

LexingtonRapid City

LEX - RAP

LEXRAP

Lexington Blue Grass

Sat 3/7

11:00 am-10:14 pm

2 stops13h 14m

Rapid City

Tue 3/10

10:40 am-9:39 pm

2 stops8h 59m

$319

LexingtonRapid City

LEX - RAP

LEXRAP

Lexington Blue Grass

Fri 9/26

12:54 pm-8:53 pm

2 stops9h 59m

Rapid City

Tue 9/30

5:00 pm-12:26 am

1 stop5h 26m

$514

LexingtonRapid City

LEX - RAP

LEXRAP

Lexington Blue Grass

Fri 9/26

7:33 pm-6:40 pm

2 stops25h 07m

Rapid City

Tue 9/30

5:50 pm-1:34 pm

2 stops17h 44m

$558

LexingtonRapid City

LEX - RAP

LEXRAP

Lexington Blue Grass

Sat 3/7

9:00 am-8:33 pm

1 stop13h 33m

Rapid City

Tue 3/10

7:05 am-4:55 pm

2 stops7h 50m

$563

LexingtonRapid City

LEX - RAP

LEXRAP

Lexington Blue Grass

Sat 3/7

2:08 pm-8:11 pm

1 stop8h 03m

Rapid City

Tue 3/10

5:51 am-1:13 pm

1 stop5h 22m

$657

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

Best time to book a flight from Lexington to Rapid City

Have a flexible travel schedule? Discover the best time to fly to Rapid City 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 Rapid City

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

Currently, January is the cheapest month in which you can book a flight from Lexington to Rapid City (average of $348). Flying from Lexington to Rapid City in June is currently the most expensive (average of $502). 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 Rapid City

Get insights into the airlines that provide service to Rapid City. 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 Rapid City. Reviews last updated September 11, 2025.
Get a feel of what it's like to fly with United Airlines and American Airlines from Lexington to Rapid City 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

Comfort

7.3

Entertainment

7.1

Overall

7.4

Food

6.6

Crew

8.1

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

Comfort

7.3

Entertainment

7.1

Overall

7.4

Food

6.6

Crew

8.1

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

Comfort

7.3

Entertainment

7.1

Overall

7.4

Food

6.6

Crew

8.1

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 Lexington to Rapid City. 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 Lexington to Rapid City?

    For as low as $514, Delta can have you in Rapid City from Lexington in 9h 59m. The distance between Lexington and Rapid City is about 1044 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    American Airlines, at $299, was found to be the cheapest airline from Lexington to Rapid City. An alternate airline flying to your destination would be United Airlines. Users have found that American Airlines is 38% cheaper than the other options available to this destination.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Lexington to Rapid City (average of $348). Flying from Lexington to Rapid City in June is currently the most expensive (average of $502). 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 Rapid City?

Book flights to Rapid City if you plan to visit one of these locations
Deadwood
Keystone
Sturgis
Spearfish

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Top 2 airlines flying from Lexington to Rapid City

Discover the top 2 airlines that operate flights from Lexington to Rapid City. 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
American AirlinesCheapest$299Average$467FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$432Average$508FlexibilityNo cancel feeOn-time69%

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