Trip.com
>
Flights
>
Flights to United States
>
Flights to Missouri
>
Flights to St. Louis
>
Flights from Rock Springs to St. Louis

Cheap flight deals from Rock Springs to St. Louis

We've found these cheap flights for you. You can book one-way or round-trip flight tickets.

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Flight Info | Rock Springs to St. Louis

The distance between Rock Springs and St. Louis is about 1,636.16 km. The most popular month to St. Louis is October. The off-season for travel is October.

Cheapest return ticket price AED 1,606
Off-season for travel October
Peak season for travel October
Flight distance 1,636.16 km

When is the cheapest time to fly from Rock Springs to St. Louis?

The cheapest time for Rock Springs to St. Louis flights: Aug 3 to Aug 10 — one way flight prices from AED 1,605.

Cheapest flights
From price
Search

  • Aug

    27 3
  • 3 10
  • 10 17
  • 17 24
  • 24 31

  • Sep

    31 7
  • 7 14
  • 14 21
  • 21 28

  • Oct

    28 5
  • 5 12
  • 12 19
Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

Frequently Asked Questions

  • When are flight tickets from Rock Springs (RKS) to St. Louis (STL) the cheapest?

    Airlines adjust prices for flights from Rock Springs to St. Louis based on the date and time of your booking. By analyzing data from all airlines, on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.
  • According to Trip.com's data, the lowest price is around AED 1,697.
  • There are 2 airport(s) near St. Louis (STL): St. Louis Downtown Airport and St. Louis Lambert International Airport.

How to find a cheap flight from Rock Springs to St. Louis

Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from Rock Springs to St. Louis. Book your flights at the right time and save more.
1
Being flexible with your dates to get the cheapest Rock Springs to St. Louis ticket.
Tap "Date" on flight search bar to get the calender for Rock Springs to St. Louis airfare over next 6 months in 2025.
2
Compare cheap Rock Springs to St. Louis flight deals from over hundreds of airlines.
Compare prices from over 500 airlines with our powerful search and find the cheapest flight tickets from Rock Springs to St. Louis.
3
Set up a Price Alert
By setting up a Price Alert for your Rock Springs to St. Louis route, you can easily track the price of your airline tickets from without manually checking every day.
4
Don't miss cheap Rock Springs to St. Louis flight deals and promo codes.
You can always get the latest deals through Trip.com Deals and Promo Codes for cheap flights. If registering a free membership, you can receive more deals for your flights.
5
Book early or wait unitl the last minute.
It's always better to book early. Flight tickets tend to be the cheapest when they are first released, normally about a year before the departure date. So, check online as soon as the flights you want become available. If you miss the cheapest time, you can still find lower-priced tickets as the flight date approaches.
6
Search for flights on the go.
To get the best flight booking experience on the go, download Trip.com and search for cheap flight tickets from Rock Springs to St. Louis to get exclusive deals for you.

More Travel Options