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Cheap flights from Rapid City to Lexington from $429

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Rapid City to Lexington departing on 8/25. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Rapid City to Lexington

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
6:00 am - 1:10 pm
RAP
-
LEX
5h 10m
1 stop
United Airlines Logo
5:20 am - 10:12 am
LEX
-
RAP
6h 52m
1 stop
$429United Airlines
Tue, Aug 25 - Sat, Aug 29
United Airlines Logo
12:30 pm - 12:09 am
RAP
-
LEX
9h 39m
2 stops
United Airlines Logo
9:03 am - 12:24 pm
LEX
-
RAP
5h 21m
1 stop
$434United Airlines
Tue, Aug 25 - Sat, Aug 29
United Airlines Logo
12:30 pm - 12:09 am
RAP
-
LEX
9h 39m
2 stops
United Airlines Logo
5:20 am - 12:24 pm
LEX
-
RAP
9h 04m
2 stops
$439United Airlines
Tue, Aug 25 - Sat, Aug 29
United Airlines Logo
12:30 pm - 12:09 am
RAP
-
LEX
9h 39m
2 stops
United Airlines Logo
5:20 am - 12:24 pm
LEX
-
RAP
9h 04m
2 stops
$444United Airlines
Tue, Aug 25 - Sat, Aug 29
United Airlines Logo
11:40 am - 8:22 pm
RAP
-
LEX
6h 42m
1 stop
United Airlines Logo
5:30 am - 10:36 am
LEX
-
RAP
7h 06m
1 stop
$458United Airlines
Thu, Apr 16 - Mon, Apr 20
United Airlines Logo
1:35 pm - 10:30 pm
RAP
-
LEX
6h 55m
1 stop
United Airlines Logo
7:00 am - 10:24 am
LEX
-
RAP
5h 24m
1 stop
$590United Airlines
Thu, Jun 4 - Mon, Jun 8
American Airlines Logo
11:53 am - 11:38 pm
RAP
-
LEX
9h 45m
1 stop
American Airlines Logo
7:00 am - 9:58 pm
LEX
-
RAP
16h 58m
2 stops
$644American Airlines
Thu, Apr 16 - Mon, Apr 20
American Airlines Logo
12:41 pm - 11:18 pm
RAP
-
LEX
8h 37m
1 stop
American Airlines Logo
6:53 pm - 11:14 am
LEX
-
RAP
18h 21m
1 stop
$667American Airlines
Thu, Jun 4 - Mon, Jun 8
American Airlines Logo
12:47 pm - 12:01 am
RAP
-
LEX
9h 14m
2 stops
American Airlines Logo
5:41 pm - 9:33 pm
LEX
-
RAP
5h 52m
1 stop
$703American Airlines
Thu, Jun 4 - Mon, Jun 8
United Airlines Logo
1:35 pm - 10:30 pm
RAP
-
LEX
6h 55m
1 stop
United Airlines Logo
7:44 pm - 12:29 pm
LEX
-
RAP
18h 45m
2 stops
$727United Airlines
Thu, Jun 4 - Mon, Jun 8

American Airlines flights from Rapid City to Lexington

Our best American Airlines deals on Rapid City to Lexington flight tickets
American Airlines
Apr 16
RAP11:53 amRapid City
9h 45m
1 stop
LEX11:38 pmLexington Blue Grass
Apr 20
LEX7:00 amLexington Blue Grass
16h 58m
2 stops
RAP9:58 pmRapid City
$644
American Airlines
Jun 4
RAP12:41 pmRapid City
8h 37m
1 stop
LEX11:18 pmLexington Blue Grass
Jun 8
LEX6:53 pmLexington Blue Grass
18h 21m
1 stop
RAP11:14 amRapid City
$667
American Airlines
Jun 4
RAP12:47 pmRapid City
9h 14m
2 stops
LEX12:01 amLexington Blue Grass
Jun 8
LEX5:41 pmLexington Blue Grass
5h 52m
1 stop
RAP9:33 pmRapid City
$703

United Airlines flights from Rapid City to Lexington

Our best United Airlines deals on Rapid City to Lexington flight tickets
United Airlines
Aug 25
RAP6:00 amRapid City
5h 10m
1 stop
LEX1:10 pmLexington Blue Grass
Aug 29
LEX5:20 amLexington Blue Grass
6h 52m
1 stop
RAP10:12 amRapid City
$429
United Airlines
Aug 25
RAP12:30 pmRapid City
9h 39m
2 stops
LEX12:09 amLexington Blue Grass
Aug 29
LEX9:03 amLexington Blue Grass
5h 21m
1 stop
RAP12:24 pmRapid City
$434
United Airlines
Aug 25
RAP12:30 pmRapid City
9h 39m
2 stops
LEX12:09 amLexington Blue Grass
Aug 29
LEX5:20 amLexington Blue Grass
9h 04m
2 stops
RAP12:24 pmRapid City
$439

momondo 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, momondo users made 832,500 searches. Data last updated April 5, 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

Price

Cheapest round-trip
Quickest round-trip

Rapid CityLexington

RAP - LEX

RAPLEX

Rapid City

Tue 8/25

6:00 am-1:10 pm

1 stop5h 10m

Lexington Blue Grass

Sat 8/29

5:20 am-10:12 am

1 stop6h 52m

$429

Rapid CityLexington

RAP - LEX

RAPLEX

Rapid City

Tue 8/25

12:30 pm-12:09 am

2 stops9h 39m

Lexington Blue Grass

Sat 8/29

9:03 am-12:24 pm

1 stop5h 21m

$434

Rapid CityLexington

RAP - LEX

RAPLEX

Rapid City

Tue 8/25

12:30 pm-12:09 am

2 stops9h 39m

Lexington Blue Grass

Sat 8/29

5:20 am-12:24 pm

2 stops9h 04m

$439

Rapid CityLexington

RAP - LEX

RAPLEX

Rapid City

Tue 8/25

12:30 pm-12:09 am

2 stops9h 39m

Lexington Blue Grass

Sat 8/29

5:20 am-12:24 pm

2 stops9h 04m

$444

Rapid CityLexington

RAP - LEX

RAPLEX

Rapid City

Thu 4/16

11:40 am-8:22 pm

1 stop6h 42m

Lexington Blue Grass

Mon 4/20

5:30 am-10:36 am

1 stop7h 06m

$458

Rapid CityLexington

RAP - LEX

RAPLEX

Rapid City

Thu 6/4

1:35 pm-10:30 pm

1 stop6h 55m

Lexington Blue Grass

Mon 6/8

7:00 am-10:24 am

1 stop5h 24m

$590

Rapid CityLexington

RAP - LEX

RAPLEX

Rapid City

Thu 4/16

11:53 am-11:38 pm

1 stop9h 45m

Lexington Blue Grass

Mon 4/20

7:00 am-9:58 pm

2 stops16h 58m

$644

Rapid CityLexington

RAP - LEX

RAPLEX

Rapid City

Thu 6/4

12:41 pm-11:18 pm

1 stop8h 37m

Lexington Blue Grass

Mon 6/8

6:53 pm-11:14 am

1 stop18h 21m

$667

Rapid CityLexington

RAP - LEX

RAPLEX

Rapid City

Thu 6/4

12:47 pm-12:01 am

2 stops9h 14m

Lexington Blue Grass

Mon 6/8

5:41 pm-9:33 pm

1 stop5h 52m

$703

Rapid CityLexington

RAP - LEX

RAPLEX

Rapid City

Thu 6/4

1:35 pm-10:30 pm

1 stop6h 55m

Lexington Blue Grass

Mon 6/8

7:44 pm-12:29 pm

2 stops18h 45m

$727

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

When to book flights from Rapid City to Lexington

Are you open to changing your travel dates? Check out the ideal times to fly from Rapid City to Lexington according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Rapid City to Lexington (RAP to LEX) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Rapid City to Lexington

Fastest flight time

4h 53m

Direct flights

None
The fastest flight from Rapid City to Lexington takes 4h 53m
There are no direct flights from Rapid City to Lexington. There are no popular flight routes from Rapid City to Lexington.
Search flight deals

Frequently asked questions about flying from Rapid City to Lexington

  • How far is Rapid City to Lexington Blue Grass by plane?

    A flight from Rapid City to Lexington Blue Grass will travel around 1057.5 mi. By plane, this route typically takes 4h 53m.

  • When did momondo last update prices for flights from Rapid City Airport to Lexington Blue Grass Airport?

    Prices for flights from Rapid City Airport to Lexington Blue Grass Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Rapid City Airport to Lexington Blue Grass Airport?

  • How old do you have to be to fly from Rapid City Airport to Lexington Blue Grass Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Rapid City Airport to Lexington Blue Grass Airport.

  • What documentation or ID do you need to fly to Lexington Blue Grass Airport?

    The required travel and health documents for your Lexington Blue Grass Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Lexington Blue Grass Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from Rapid City to Lexington?

Best airlines flying from Rapid City to Lexington

Compare and see reviews for airlines that fly from Rapid City to Lexington with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $292Free CancellationRating
7.4
9,545 reviews
Search United Airlines flights

Frequently asked questions about flying from Rapid City to Lexington

  • How do I get Price Alerts for flights from Rapid City to Lexington?

    Confirm your travel details to search for the latest offers for flights from Rapid City to Lexington. While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.

  • How can I save money on flights from Rapid City to Lexington with momondo?

    Plan your trips smart with the “Price Forecast” feature, which uses flight data to help you pick the best days to fly for the lowest fares. Our “Price Calendar” helps you get the most for your money by showing you when it’s most advantageous to fly. Curate your own travel experiences for less with “Explore”. Expert travel hacks to fuel your next adventure are a click away with “Discover” by momondo. Set up our “Price Alerts” to track fare changes and book when prices are at their lowest point.

  • How does momondo find its flight prices?

    We aggregate our prices from over 700+ competitors from airlines to OTAs. We operate in over 30 markets worldwide to show you a wide range of travel options.

Traveling to a place near Lexington?

Book flights to Lexington if you plan to visit one of these locations
Richmond
Georgetown
Somerset
Danville
Frankfort
Winchester
Berea
Versailles
Carlisle

Why use momondo?

Why should I use momondo to find a flight deal from Rapid City to Lexington?

It is quick and easy to find Rapid City to Lexington flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Lexington that suits you.

Can I find flights from Rapid City to Lexington with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Rapid City to Lexington flights to just show those with flexible booking policies.

How can momondo help me find flights from Rapid City to Lexington?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Lexington from Rapid City.

I’m not ready to book a flight from Rapid City to Lexington right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Rapid City to Lexington flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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