Cheap flights from Rapid City to St. Louis from $249
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 St. Louis departing on 4/4. 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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Delta flights from Rapid City to St. Louis
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United Airlines flights from Rapid City to St. Louis
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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 $247. The month of December is another great option to travel to St. Louis, with average flight prices from Rapid City averaging around $299.
What is the cheapest day to depart on your flight to St. Louis?
The cheapest day to depart on your flight to St. Louis is on a Monday when prices can be found for as low as $315. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Friday because tickets tend to average around $408. These prices are subject to change though, so be sure to set up a Price Alert for flights to St. Louis.
When to book flights from Rapid City to St. Louis
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
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 5h 48m.
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?
As of March 2025, there are 2 operators available to choose from 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?
Based on momondo bookings for flights between Rapid City and St. Louis, the leading airline is United Airlines, making up 71% of the total bookings. Other popular airlines include Delta with 29%.
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 | ||
|---|---|---|---|---|---|
| PriceFrom $247 | Free Cancellation | Rating 8.0 8,061 reviews | |||
| PriceFrom $299 | Free Cancellation | Rating 7.4 8,678 reviews |
Traveling to a place near St. Louis?
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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.