Rockford

Cheap flights from St. Louis (STL) to Greater Rockford (RFD)

STL — RFD
jun. 17 — jun. 241
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Cheap flight deals from St. Louis to Rockford

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Rockford (RFD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated junio 12, 2025.

Popular in

June

Cheapest in

August

Average price

$323
Highest demand for flights based on searches. 6% potential increase in price ($15 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
Average for round-trip flights in June 2025

Best time to book a flight from St. Louis to Rockford

Have a flexible travel schedule? Discover the best time to fly to Rockford from St. Louis with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from St. Louis to Chicago Greater Rockford Airport

Rainfall in Rockford by month

Plan your trip to Rockford by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Chicago Greater Rockford Airport ranges from 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Chicago Greater Rockford Airport when rainfall is around 1.7 in.

Temperature in Rockford by month

Plan your trip to Rockford by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Chicago Greater Rockford Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

Related info for your journey

Find useful and relevant information for your journey from St. Louis to Rockford. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airport do you fly from for flights from St. Louis to Chicago Greater Rockford?

    Located just 12.7 mi from the city center, Lambert-St Louis is the airport most travelers will use when flying to Chicago Greater Rockford from St. Louis. Booking flights from Lambert-St Louis (STL) to Chicago Greater Rockford should be relatively easy as there are 0 daily outbound flights to Chicago Greater Rockford from 0 different airlines.

  • Can I find deals for flights from St. Louis to Rockford that include hotel bookings?

    Yes. In addition to deals on St. Louis to Rockford flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from St. Louis to Rockford?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to Rockford.

  • Can I find deals for business class flights from St. Louis to Rockford?

    Yes. Cheapflights offers flight deals from St. Louis to Rockford by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
Merrillville
Lansing
Benton Harbor
Porter
Hammond
Valparaiso
Chesterton

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