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$494+ 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 2/3. Fares are subject to change and may not be available on all flights or dates of travel.
RAP — LEX
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
1 adult, Economy
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Cheap 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 January 29, 2026.

This United Airlines deal was found by Cheapflights users on 1/28. 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 2/32:40 pm
RAP
-
LEX
1 stop5h 50m
United Airlines
Sat 2/78:35 am
LEX
-
RAP
2 stops10h 37m
United Airlines
Deal found 1/28$494
This United Airlines deal was found by Cheapflights users on 1/26. 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 1/2712:35 pm
RAP
-
LEX
2 stops8h 05m
United Airlines
Sat 1/319:00 am
LEX
-
RAP
1 stop8h 22m
United Airlines
Deal found 1/26$504
This United Airlines deal was found by Cheapflights users on 1/29. 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.
Sun 5/315:53 pm
RAP
-
LEX
1 stop26h 26m
United Airlines
Sun 6/79:00 am
LEX
-
RAP
1 stop10h 08m
United Airlines
Deal found 1/29$747
This Delta deal was found by Cheapflights users on 1/29. 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.
Mon 6/110:40 am
RAP
-
LEX
2 stops8h 53m
Delta
Mon 6/85:50 pm
LEX
-
RAP
2 stops6h 08m
Delta
Deal found 1/29$1,106
This United Airlines deal was found by Cheapflights users on 1/29. 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 6/11:41 pm
RAP
-
LEX
1 stop4h 47m
United Airlines
Mon 6/86:14 pm
LEX
-
RAP
1 stop5h 36m
United Airlines
Deal found 1/29$1,169
This Delta deal was found by Cheapflights users on 1/29. 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.
Sun 5/3110:40 am
RAP
-
LEX
2 stops8h 41m
Delta
Sun 6/77:30 am
LEX
-
RAP
2 stops9h 40m
Delta
Deal found 1/29$2,412

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 January 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$747
(United Airlines)
Provider with most accurate pricing for Rapid City-Lexington Blue Grass flight deals.
Search Deals
Provider most trusted by Cheapflights users for Rapid City-Lexington Blue Grass flights.
Search Deals
From Rapid City to Lexington Blue Grass
Search Deals

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 January 29, 2026.
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

Sun 5/31

5:53 pm-10:19 pm

1 stop26h 26m

Lexington Blue Grass

Sun 6/7

9:00 am-5:08 pm

1 stop10h 08m

$747

Rapid CityLexington

RAP - LEX

RAPLEX

Rapid City

Mon 6/1

10:40 am-9:33 pm

2 stops8h 53m

Lexington Blue Grass

Mon 6/8

5:50 pm-9:58 pm

2 stops6h 08m

$1,106

Rapid CityLexington

RAP - LEX

RAPLEX

Rapid City

Mon 6/1

1:41 pm-8:28 pm

1 stop4h 47m

Lexington Blue Grass

Mon 6/8

6:14 pm-9:50 pm

1 stop5h 36m

$1,169

Rapid CityLexington

RAP - LEX

RAPLEX

Rapid City

Sun 5/31

10:40 am-9:21 pm

2 stops8h 41m

Lexington Blue Grass

Sun 6/7

7:30 am-3:10 pm

2 stops9h 40m

$2,412

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/29

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 January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • 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.
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.

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 January 29, 2026.
Get a feel of what it's like to fly with United 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
9,215 reviews

Overall

7.4

Crew

8.1

Comfort

7.3

Boarding

7.7

Entertainment

7.1

Food

6.6

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.4
Good
9,215 reviews
United Airlines
7.4
Good
9,215 reviews

Overall

7.4

Crew

8.1

Comfort

7.3

Boarding

7.7

Entertainment

7.1

Food

6.6

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

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 United Airlines and Delta fly from Rapid City to Lexington in about 8h 53m. The time it takes to get you to your destination can typically vary by up to 17h 33m. Airlines will cover a distance of 1044 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What is the cheapest airline to fly from Rapid City to Lexington round-trip?

    United Airlines, at $292, was found to be the cheapest airline from Rapid City to Lexington..

  • 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.

See more FAQs

Traveling to a place near Lexington?

Book flights to Lexington if you plan to visit one of these locations
Somerset
Berea
Georgetown
Frankfort

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Top airline flying from Rapid City to Lexington

Discover the top airline 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 January 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$292Average$479FlexibilityNo cancel feeOn-time69%

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