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Cheap flights from Rapid City to St. Louis from $189

1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Rapid City to St. Louis

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
6:07 pm - 12:27 amRAP  Rapid City-STL Lambert-St Louis
5h 20m1 stop Chicago O'Hare Intl
American Airlines Logo
5:43 am - 9:47 amSTL  Lambert-St Louis-RAP Rapid City
5h 04m1 stop Dallas/Fort Worth
$319American Airlines
Fri, Sep 25 - Mon, Sep 28
American Airlines Logo
4:56 pm - 11:43 pmRAP  Rapid City-STL Lambert-St Louis
5h 47m1 stop Dallas/Fort Worth
American Airlines Logo
5:43 am - 9:47 amSTL  Lambert-St Louis-RAP Rapid City
5h 04m1 stop Dallas/Fort Worth
$319American Airlines
Thu, Sep 24 - Sun, Sep 27
American Airlines Logo
4:56 pm - 11:43 pmRAP  Rapid City-STL Lambert-St Louis
5h 47m1 stop Dallas/Fort Worth
American Airlines Logo
7:27 am - 11:15 amSTL  Lambert-St Louis-RAP Rapid City
4h 48m1 stop Chicago O'Hare Intl
$319American Airlines
Thu, Sep 24 - Sun, Sep 27
United Airlines Logo
7:00 am - 12:40 pmRAP  Rapid City-STL Lambert-St Louis
4h 40m1 stop Denver Intl
United Airlines Logo
6:00 am - 10:26 amSTL  Lambert-St Louis-RAP Rapid City
5h 26m1 stop Chicago O'Hare Intl
$349United Airlines
Wed, Sep 2 - Sun, Sep 6
Delta Logo
4:30 pm - 11:26 pmRAP  Rapid City-STL Lambert-St Louis
5h 56m1 stop Minneapolis St Paul
Delta Logo
3:52 pm - 10:18 pmSTL  Lambert-St Louis-RAP Rapid City
7h 26m1 stop Minneapolis St Paul
$349Delta
Fri, Sep 4 - Tue, Sep 8
American Airlines Logo
4:56 pm - 11:43 pmRAP  Rapid City-STL Lambert-St Louis
5h 47m1 stop Dallas/Fort Worth
American Airlines Logo
5:01 am - 12:17 pmSTL  Lambert-St Louis-RAP Rapid City
8h 16m2 stops Chicago O'Hare Intl Dallas/Fort Worth
$384American Airlines
Fri, Sep 25 - Mon, Sep 28
United Airlines Logo
7:00 am - 12:38 pmRAP  Rapid City-STL Lambert-St Louis
4h 38m1 stop Denver Intl
United Airlines Logo
4:39 pm - 8:43 pmSTL  Lambert-St Louis-RAP Rapid City
5h 04m1 stop Denver Intl
$399United Airlines
Wed, Oct 28 - Sat, Oct 31
United Airlines Logo
7:05 am - 12:40 pmRAP  Rapid City-STL Lambert-St Louis
4h 35m1 stop Denver Intl
United Airlines Logo
4:39 pm - 8:43 pmSTL  Lambert-St Louis-RAP Rapid City
5h 04m1 stop Denver Intl
$399United Airlines
Sat, Oct 24 - Wed, Oct 28
Delta Logo
2:32 pm - 11:58 pmRAP  Rapid City-STL Lambert-St Louis
8h 26m2 stops Minneapolis St Paul Atlanta Hartsfield-Jackson
Delta Logo
3:52 pm - 10:18 pmSTL  Lambert-St Louis-RAP Rapid City
7h 26m1 stop Minneapolis St Paul
$588Delta
Fri, Sep 4 - Tue, Sep 8
Delta Logo
2:30 pm - 11:42 pmRAP  Rapid City-STL Lambert-St Louis
8h 12m2 stops Minneapolis St Paul Atlanta Hartsfield-Jackson
Delta Logo
1:55 pm - 10:18 pmSTL  Lambert-St Louis-RAP Rapid City
9h 23m2 stops Detroit Metropolitan Wayne County Minneapolis St Paul
$1,058Delta
Fri, Sep 25 - Mon, Sep 28

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United Airlines flights from Rapid City to St. Louis

Our best United Airlines deals on Rapid City to St. Louis flight tickets
United Airlines
Sep 2
RAP7:00 amRapid City
4h 40m
1 stop
STL12:40 pmLambert-St Louis
Sep 6
STL6:00 amLambert-St Louis
5h 26m
1 stop
RAP10:26 amRapid City
$349
United Airlines
Oct 28
RAP7:00 amRapid City
4h 38m
1 stop
STL12:38 pmLambert-St Louis
Oct 31
STL4:39 pmLambert-St Louis
5h 04m
1 stop
RAP8:43 pmRapid City
$399
United Airlines
Oct 28
RAP7:00 amRapid City
4h 38m
1 stop
STL12:38 pmLambert-St Louis
Oct 31
STL8:00 amLambert-St Louis
12h 19m
2 stops
RAP7:19 pmRapid City
$404

American Airlines flights from Rapid City to St. Louis

Our best American Airlines deals on Rapid City to St. Louis flight tickets
American Airlines
Sep 24
RAP4:56 pmRapid City
5h 47m
1 stop
STL11:43 pmLambert-St Louis
Sep 27
STL7:27 amLambert-St Louis
4h 48m
1 stop
RAP11:15 amRapid City
$319
American Airlines
Sep 24
RAP12:47 pmRapid City
10h 40m
2 stops
STL12:27 amLambert-St Louis
Sep 27
STL5:00 amLambert-St Louis
7h 15m
1 stop
RAP11:15 amRapid City
$384
American Airlines
Sep 2
RAP12:39 pmRapid City
10h 35m
2 stops
STL12:14 amLambert-St Louis
Sep 6
STL10:16 amLambert-St Louis
7h 18m
1 stop
RAP4:34 pmRapid City
$399

momondo Fare Finder

 
Use the filters below to find and compare flights from Rapid City to St. Louis that are best for you.

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Route

Depart

Return

Price

Cheapest round-trip

Rapid CitySt. Louis

RAP Rapid City - STL Lambert-St Louis

RAPSTL

Rapid City

Fri 9/25

6:07 pm-12:27 am

1 stop5h 20m

Lambert-St Louis

Mon 9/28

5:43 am-9:47 am

1 stop5h 04m

$319

Rapid CitySt. Louis

RAP Rapid City - STL Lambert-St Louis

RAPSTL

Rapid City

Thu 9/24

4:56 pm-11:43 pm

1 stop5h 47m

Lambert-St Louis

Sun 9/27

5:43 am-9:47 am

1 stop5h 04m

$319

Rapid CitySt. Louis

RAP Rapid City - STL Lambert-St Louis

RAPSTL

Rapid City

Thu 9/24

4:56 pm-11:43 pm

1 stop5h 47m

Lambert-St Louis

Sun 9/27

7:27 am-11:15 am

1 stop4h 48m

$319

Rapid CitySt. Louis

RAP Rapid City - STL Lambert-St Louis

RAPSTL

Rapid City

Wed 9/2

7:00 am-12:40 pm

1 stop4h 40m

Lambert-St Louis

Sun 9/6

6:00 am-10:26 am

1 stop5h 26m

$349

Rapid CitySt. Louis

RAP Rapid City - STL Lambert-St Louis

RAPSTL

Rapid City

Fri 9/4

4:30 pm-11:26 pm

1 stop5h 56m

Lambert-St Louis

Tue 9/8

3:52 pm-10:18 pm

1 stop7h 26m

$349

Rapid CitySt. Louis

RAP Rapid City - STL Lambert-St Louis

RAPSTL

Rapid City

Fri 9/25

4:56 pm-11:43 pm

1 stop5h 47m

Lambert-St Louis

Mon 9/28

5:01 am-12:17 pm

2 stops8h 16m

$384

Rapid CitySt. Louis

RAP Rapid City - STL Lambert-St Louis

RAPSTL

Rapid City

Wed 10/28

7:00 am-12:38 pm

1 stop4h 38m

Lambert-St Louis

Sat 10/31

4:39 pm-8:43 pm

1 stop5h 04m

$399
Quickest round-trip

Rapid CitySt. Louis

RAP Rapid City - STL Lambert-St Louis

RAPSTL

Rapid City

Sat 10/24

7:05 am-12:40 pm

1 stop4h 35m

Lambert-St Louis

Wed 10/28

4:39 pm-8:43 pm

1 stop5h 04m

$399

Rapid CitySt. Louis

RAP Rapid City - STL Lambert-St Louis

RAPSTL

Rapid City

Fri 9/4

2:32 pm-11:58 pm

2 stops8h 26m

Lambert-St Louis

Tue 9/8

3:52 pm-10:18 pm

1 stop7h 26m

$588

Rapid CitySt. Louis

RAP Rapid City - STL Lambert-St Louis

RAPSTL

Rapid City

Fri 9/25

2:30 pm-11:42 pm

2 stops8h 12m

Lambert-St Louis

Mon 9/28

1:55 pm-10:18 pm

2 stops9h 23m

$1,058

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to St. Louis from

How to get the cheapest flight ticket from Rapid City to St. Louis

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 month to fly to St. Louis?

In general, June is the cheapest month to fly from Rapid City to St. Louis. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $0. The month of January is another great option to travel to St. Louis, with average flight prices from Rapid City averaging around $277.

When to book flights from Rapid City to St. Louis

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

Cheap Rapid City to St. Louis (RAP to STL) flight deals and tips

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

Best Price Found

$189

Fastest flight time

4h 38m

Direct flights

None
The best one-way flight to St. Louis from Rapid City in the past 72 hours is $189. The best round-trip flight deal from Rapid City to St. Louis found on momondo in the last 72 hours is $319.
The fastest flight from Rapid City to St. Louis takes 4h 38m
There are no direct flights from Rapid City to St. Louis. There are no popular flight routes from Rapid City to St. Louis.
Search flight deals

Frequently asked questions about flying from Rapid City to St. Louis

  • How far is Rapid City to Lambert-St Louis by plane?

    A flight from Rapid City to Lambert-St Louis will travel around 772.0 mi. In terms of flight time, this usually takes a little over 4h 38m.

  • When did momondo last update prices for flights from Rapid City Airport to Lambert-St Louis Airport?

    Prices for flights from Rapid City Airport to Lambert-St Louis Airport were last updated today.

  • How many operators does momondo search for flights from Rapid City Airport to Lambert-St Louis Airport?

  • How old do you have to be to fly from Rapid City Airport to Lambert-St Louis 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 Lambert-St Louis Airport.

  • What documentation or ID do you need to fly to Lambert-St Louis Airport?

    The travel and health documents required for your trip to Lambert-St Louis 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 Lambert-St Louis 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 Rapid City to St. Louis?

Best airlines flying from Rapid City to St. Louis

Compare and see reviews for airlines that fly from Rapid City to St. Louis with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $208Free CancellationRating
7.8
8,513 reviews
Search Delta flights
United AirlinesPriceFrom $264Free CancellationRating
7.4
10,106 reviews
Search United Airlines flights

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
St. Charles
Chesterfield
Fairview Heights
Maryland Heights
St. Peters
Hermann
Collinsville
Florissant
Alton
O'Fallon
Farmington
Clayton
Fenton
Festus
Wentzville
Eureka
Edwardsville
Litchfield
Grafton
Shrewsbury

Why use momondo?

Why should I use momondo to find a flight deal from Rapid City to St. Louis?

It is quick and easy to find Rapid City to St. Louis 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 St. Louis that suits you.

Can I find flights from Rapid City to St. Louis with flexible booking policies on momondo?

Flights from Rapid City to St. Louis 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 Rapid City to St. Louis?

momondo helps you find the best flight between Rapid City and St. Louis by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Of course. momondo tracks the price of Rapid City to St. Louis 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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