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Cheap flights from Rapid City to St. Louis from $339

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.
Delta Logo
6:45 am - 2:41 pmRAP  Rapid City-STL Lambert-St Louis
6h 56m1 stop Minneapolis St Paul
Delta Logo
6:13 am - 10:23 amSTL  Lambert-St Louis-RAP Rapid City
5h 10m1 stop Minneapolis St Paul
$339Delta
Wed, Nov 11 - Mon, Nov 16
Delta Logo
6:42 am - 2:44 pmRAP  Rapid City-STL Lambert-St Louis
7h 02m1 stop Minneapolis St Paul
Delta Logo
5:20 pm - 10:46 pmSTL  Lambert-St Louis-RAP Rapid City
6h 26m1 stop Minneapolis St Paul
$339Delta
Fri, Dec 4 - Mon, Dec 7
United Airlines Logo
7:00 am - 12:38 pmRAP  Rapid City-STL Lambert-St Louis
4h 38m1 stop Denver Intl
United Airlines Logo
8:50 am - 3:19 pmSTL  Lambert-St Louis-RAP Rapid City
7h 29m1 stop Denver Intl
$339United Airlines
Wed, Nov 4 - Sat, Nov 7
United Airlines Logo
2:35 pm - 8:57 pmRAP  Rapid City-STL Lambert-St Louis
5h 22m1 stop Denver Intl
United Airlines Logo
3:10 pm - 7:01 pmSTL  Lambert-St Louis-RAP Rapid City
4h 51m1 stop Denver Intl
$339United Airlines
Wed, Dec 9 - Wed, Jan 6
United Airlines Logo
12:39 pm - 8:59 pmRAP  Rapid City-STL Lambert-St Louis
7h 20m1 stop Denver Intl
United Airlines Logo
5:00 am - 10:31 amSTL  Lambert-St Louis-RAP Rapid City
6h 31m1 stop Chicago O'Hare Intl
$339United Airlines
Thu, Nov 12 - Sun, Nov 15
Delta Logo
6:42 am - 2:44 pmRAP  Rapid City-STL Lambert-St Louis
7h 02m1 stop Minneapolis St Paul
Delta Logo
5:30 pm - 10:39 pmSTL  Lambert-St Louis-RAP Rapid City
6h 09m1 stop Minneapolis St Paul
$339Delta
Wed, Dec 9 - Thu, Jan 7
Delta Logo
4:36 pm - 11:26 pmRAP  Rapid City-STL Lambert-St Louis
5h 50m1 stop Minneapolis St Paul
Delta Logo
5:20 pm - 10:46 pmSTL  Lambert-St Louis-RAP Rapid City
6h 26m1 stop Minneapolis St Paul
$339Delta
Fri, Dec 4 - Mon, Dec 7
American Airlines Logo
6:11 am - 4:47 pmRAP  Rapid City-STL Lambert-St Louis
9h 36m2 stops Dallas/Fort Worth Chicago O'Hare Intl
American Airlines Logo
3:45 pm - 8:23 pmSTL  Lambert-St Louis-RAP Rapid City
5h 38m1 stop Dallas/Fort Worth
$344American Airlines
Wed, Dec 9 - Thu, Jan 7
American Airlines Logo
6:11 am - 4:47 pmRAP  Rapid City-STL Lambert-St Louis
9h 36m2 stops Dallas/Fort Worth Chicago O'Hare Intl
American Airlines Logo
11:50 am - 8:23 pmSTL  Lambert-St Louis-RAP Rapid City
9h 33m2 stops Chicago O'Hare Intl Dallas/Fort Worth
$376American Airlines
Wed, Dec 9 - Wed, Jan 6
American Airlines Logo
6:11 am - 4:47 pmRAP  Rapid City-STL Lambert-St Louis
9h 36m2 stops Dallas/Fort Worth Chicago O'Hare Intl
American Airlines Logo
7:21 am - 8:23 pmSTL  Lambert-St Louis-RAP Rapid City
14h 02m2 stops Chicago O'Hare Intl Dallas/Fort Worth
$392American Airlines
Wed, Dec 9 - Thu, Jan 7

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Delta flights from Rapid City to St. Louis

Our best Delta deals on Rapid City to St. Louis flight tickets
Delta
Dec 4
RAP6:42 amRapid City
7h 02m
1 stop
STL2:44 pmLambert-St Louis
Dec 7
STL5:20 pmLambert-St Louis
6h 26m
1 stop
RAP10:46 pmRapid City
$339
Delta
Jan 8
RAP6:55 amRapid City
6h 36m
1 stop
STL2:31 pmLambert-St Louis
Jan 22
STL10:30 amLambert-St Louis
6h 16m
1 stop
RAP3:46 pmRapid City
$359

United Airlines flights from Rapid City to St. Louis

Our best United Airlines deals on Rapid City to St. Louis flight tickets
United Airlines
Dec 9
RAP7:00 amRapid City
4h 53m
1 stop
STL12:53 pmLambert-St Louis
Jan 6
STL9:05 amLambert-St Louis
9h 13m
2 stops
RAP5:18 pmRapid City
$344
United Airlines
Jan 8
RAP12:50 pmRapid City
7h 47m
2 stops
STL9:37 pmLambert-St Louis
Jan 22
STL3:10 pmLambert-St Louis
4h 51m
1 stop
RAP7:01 pmRapid City
$364
United Airlines
Oct 28
RAP11:12 amRapid City
4h 45m
1 stop
STL4:57 pmLambert-St Louis
Nov 1
STL6:00 amLambert-St Louis
5h 31m
1 stop
RAP10:31 amRapid City
$389

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Rapid CitySt. Louis

RAP Rapid City - STL Lambert-St Louis

RAPSTL

Rapid City

Wed 11/11

6:45 am-2:41 pm

1 stop6h 56m

Lambert-St Louis

Mon 11/16

6:13 am-10:23 am

1 stop5h 10m

$339

Rapid CitySt. Louis

RAP Rapid City - STL Lambert-St Louis

RAPSTL

Rapid City

Fri 12/4

6:42 am-2:44 pm

1 stop7h 02m

Lambert-St Louis

Mon 12/7

5:20 pm-10:46 pm

1 stop6h 26m

$339

Rapid CitySt. Louis

RAP Rapid City - STL Lambert-St Louis

RAPSTL

Rapid City

Wed 11/4

7:00 am-12:38 pm

1 stop4h 38m

Lambert-St Louis

Sat 11/7

8:50 am-3:19 pm

1 stop7h 29m

$339
Quickest round-trip

Rapid CitySt. Louis

RAP Rapid City - STL Lambert-St Louis

RAPSTL

Rapid City

Wed 12/9

2:35 pm-8:57 pm

1 stop5h 22m

Lambert-St Louis

Wed 1/6

3:10 pm-7:01 pm

1 stop4h 51m

$339

Rapid CitySt. Louis

RAP Rapid City - STL Lambert-St Louis

RAPSTL

Rapid City

Thu 11/12

12:39 pm-8:59 pm

1 stop7h 20m

Lambert-St Louis

Sun 11/15

5:00 am-10:31 am

1 stop6h 31m

$339

Rapid CitySt. Louis

RAP Rapid City - STL Lambert-St Louis

RAPSTL

Rapid City

Wed 12/9

6:42 am-2:44 pm

1 stop7h 02m

Lambert-St Louis

Thu 1/7

5:30 pm-10:39 pm

1 stop6h 09m

$339

Rapid CitySt. Louis

RAP Rapid City - STL Lambert-St Louis

RAPSTL

Rapid City

Fri 12/4

4:36 pm-11:26 pm

1 stop5h 50m

Lambert-St Louis

Mon 12/7

5:20 pm-10:46 pm

1 stop6h 26m

$339

Rapid CitySt. Louis

RAP Rapid City - STL Lambert-St Louis

RAPSTL

Rapid City

Wed 12/9

6:11 am-4:47 pm

2 stops9h 36m

Lambert-St Louis

Thu 1/7

3:45 pm-8:23 pm

1 stop5h 38m

$344

Rapid CitySt. Louis

RAP Rapid City - STL Lambert-St Louis

RAPSTL

Rapid City

Wed 12/9

6:11 am-4:47 pm

2 stops9h 36m

Lambert-St Louis

Wed 1/6

11:50 am-8:23 pm

2 stops9h 33m

$376

Rapid CitySt. Louis

RAP Rapid City - STL Lambert-St Louis

RAPSTL

Rapid City

Wed 12/9

6:11 am-4:47 pm

2 stops9h 36m

Lambert-St Louis

Thu 1/7

7:21 am-8:23 pm

2 stops14h 02m

$392

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 18 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 November is another great option to travel to St. Louis, with average flight prices from Rapid City averaging around $268.

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

$361

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 $361. The best round-trip flight deal from Rapid City to St. Louis found on momondo in the last 72 hours is $339.
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
8,650 reviews
Search Delta flights
United AirlinesPriceFrom $257Free CancellationRating
7.4
10,362 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
Fairview Heights
Chesterfield
Maryland Heights
St. Peters
Alton
Florissant
Collinsville
Farmington
Hermann
Clayton
Festus
Fenton
O'Fallon
Edwardsville
Eureka
Wentzville
Litchfield
Grafton
Waterloo

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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