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Cheap flights from Lexington to Rapid City from $337

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Lexington to Rapid City departing on 1/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Lexington to Rapid City

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
2:00 pm - 10:29 pm
LEX
-
RAP
10h 29m2 stops
United Airlines Logo
2:40 pm - 10:30 pm
RAP
-
LEX
5h 50m1 stop
$337United Airlines
Tue, Jan 6 - Sat, Jan 10
United Airlines Logo
9:00 am - 1:12 pm
LEX
-
RAP
6h 12m1 stop
United Airlines Logo
2:40 pm - 10:30 pm
RAP
-
LEX
5h 50m1 stop
$341United Airlines
Tue, Jan 6 - Sat, Jan 10
Delta Logo
5:35 pm - 10:28 pm
LEX
-
RAP
6h 53m2 stops
Delta Logo
10:54 am - 9:41 pm
RAP
-
LEX
8h 47m2 stops
$349Delta
Tue, Jan 6 - Sat, Jan 10
United Airlines Logo
9:00 am - 1:12 pm
LEX
-
RAP
6h 12m1 stop
United Airlines Logo
12:35 pm - 10:30 pm
RAP
-
LEX
7h 55m1 stop
$359United Airlines
Sat, Jan 10 - Tue, Jan 13
United Airlines Logo
10:30 am - 7:14 pm
LEX
-
RAP
10h 44m2 stops
United Airlines Logo
2:40 pm - 10:30 pm
RAP
-
LEX
5h 50m1 stop
$364United Airlines
Sat, Jan 10 - Tue, Jan 13
United Airlines Logo
10:30 am - 7:14 pm
LEX
-
RAP
10h 44m2 stops
United Airlines Logo
5:10 am - 4:48 pm
RAP
-
LEX
9h 38m2 stops
$369United Airlines
Sat, Jan 10 - Tue, Jan 13
United Airlines Logo
9:00 am - 1:12 pm
LEX
-
RAP
6h 12m1 stop
United Airlines Logo
12:35 pm - 10:30 pm
RAP
-
LEX
7h 55m1 stop
$374United Airlines
Sat, Jan 10 - Tue, Jan 13

United Airlines flights from Lexington to Rapid City

Our best United Airlines deals on Lexington to Rapid City flight tickets
United Airlines
Jan 10
LEX9:00 amLexington Blue Grass
6h 12m
1 stop
RAP1:12 pmRapid City
Jan 13
RAP2:40 pmRapid City
5h 50m
1 stop
LEX10:30 pmLexington Blue Grass
$359
Find similar
United Airlines
Jan 10
LEX2:00 pmLexington Blue Grass
10h 29m
2 stops
RAP10:29 pmRapid City
Jan 13
RAP2:40 pmRapid City
5h 50m
1 stop
LEX10:30 pmLexington Blue Grass
$364
Find similar
United Airlines
Jan 10
LEX10:30 amLexington Blue Grass
10h 44m
2 stops
RAP7:14 pmRapid City
Jan 13
RAP10:45 amRapid City
9h 55m
2 stops
LEX10:40 pmLexington Blue Grass
$369
Find similar

momondo 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, momondo users made 832,500 searches. Data last updated December 18, 2025.
Use the filters below to find and compare flights from Lexington to Rapid City that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LexingtonRapid City

LEX - RAP

LEXRAP

Lexington Blue Grass

Tue 1/6

2:00 pm-10:29 pm

2 stops10h 29m

Rapid City

Sat 1/10

2:40 pm-10:30 pm

1 stop5h 50m

$337

LexingtonRapid City

LEX - RAP

LEXRAP

Lexington Blue Grass

Tue 1/6

9:00 am-1:12 pm

1 stop6h 12m

Rapid City

Sat 1/10

2:40 pm-10:30 pm

1 stop5h 50m

$341

LexingtonRapid City

LEX - RAP

LEXRAP

Lexington Blue Grass

Tue 1/6

5:35 pm-10:28 pm

2 stops6h 53m

Rapid City

Sat 1/10

10:54 am-9:41 pm

2 stops8h 47m

$349

LexingtonRapid City

LEX - RAP

LEXRAP

Lexington Blue Grass

Sat 1/10

9:00 am-1:12 pm

1 stop6h 12m

Rapid City

Tue 1/13

12:35 pm-10:30 pm

1 stop7h 55m

$359

LexingtonRapid City

LEX - RAP

LEXRAP

Lexington Blue Grass

Sat 1/10

10:30 am-7:14 pm

2 stops10h 44m

Rapid City

Tue 1/13

2:40 pm-10:30 pm

1 stop5h 50m

$364

LexingtonRapid City

LEX - RAP

LEXRAP

Lexington Blue Grass

Sat 1/10

10:30 am-7:14 pm

2 stops10h 44m

Rapid City

Tue 1/13

5:10 am-4:48 pm

2 stops9h 38m

$369

LexingtonRapid City

LEX - RAP

LEXRAP

Lexington Blue Grass

Sat 1/10

9:00 am-1:12 pm

1 stop6h 12m

Rapid City

Tue 1/13

12:35 pm-10:30 pm

1 stop7h 55m

$374

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Rapid City from

How to get the cheapest flight ticket from Lexington to Rapid City

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to Rapid City?

According to our data, Saturday is the cheapest day to fly to Rapid City from Lexington. The lowest ticket price found for a Saturday departure recently was $499. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. The most expensive day to fly to Rapid City is Friday, with ticket prices averaging around $614.

What is the cheapest time of day to depart on your flight to Rapid City?

Our most recent data shows that the best time of day to fly to Rapid City is in the afternoon. Flights from Lexington to Rapid City during this time can be as low as $446. Flights in the morning are often more expensive with an average ticket price of $584.

When to book flights from Lexington to Rapid City

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

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

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

Fastest flight time

6h 12m

Direct flights

None
The fastest flight from Lexington to Rapid City takes 6h 12m
There are no direct flights from Lexington to Rapid City. There are no popular flight routes from Lexington to Rapid City.
Search flight deals

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

    The distance between Lexington Blue Grass and Rapid City is about 1057.5 mi. Typically, this will take 6h 12m by plane in normal conditions.

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

    Prices for flights from Lexington Blue Grass Airport to Rapid City Airport refresh daily.

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

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Lexington Blue Grass Airport to Rapid City Airport.

  • What documentation or ID do you need to fly to Rapid City Airport?

    The travel and health documents required for your trip to Rapid City Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Rapid City Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

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

Best airlines flying from Lexington to Rapid City

Compare and see reviews for airlines that fly from Lexington to Rapid City with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $299Free CancellationRating
7.2
11,055 reviews
Search American Airlines flights
United AirlinesPriceFrom $323Free CancellationRating
7.4
9,092 reviews
Search United Airlines flights

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
Custer
Hill City
Wall
Hot Springs

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Lexington to Rapid City. momondo saves you time and could save you money on your trip.

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

Flights from Lexington to Rapid City with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once all potential Lexington to Rapid City flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Price alerts on flights to Rapid City from Lexington are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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