$69 Cheap Flights from St. Louis (STL) to Rockford (RFD)

View $69 flight on Wed, Dec 3, 2025Opens in a new window

Popular airlines from St. Louis Lambert Intl. Airport (STL) to Rockford, IL (RFD-Greater Rockford)

Cheap Flights from St. Louis to Rockford (STL-RFD)

Prices were available within the past 7 days and start at $69 for one-way flights and $138 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Sun, Jan 18 - Wed, Jan 21
STL
St. Louis
RFD
Rockford
$138 Roundtrip, found 11 hours ago
$138
Roundtrip
found 11 hours ago
Select American Airlines flight, departing Sun, Jan 18 from St. Louis to Rockford, returning Wed, Jan 21, priced at $138 found 11 hours ago
American Airlines
Sun, Jan 18 - Wed, Jan 21
STL
St. Louis
RFD
Rockford
$148 Roundtrip, found 5 days ago
$148
Roundtrip
found 5 days ago
Select American Airlines flight, departing Sun, Jan 18 from St. Louis to Rockford, returning Wed, Jan 21, priced at $148 found 5 days ago
American Airlines
Mon, Jan 19 - Wed, Jan 21
STL
St. Louis
RFD
Rockford
$154 Roundtrip, found 12 hours ago
$154
Roundtrip
found 12 hours ago
Select American Airlines flight, departing Mon, Jan 19 from St. Louis to Rockford, returning Wed, Jan 21, priced at $154 found 12 hours ago
American Airlines
Sat, Dec 13 - Mon, Jan 12
STL
St. Louis
RFD
Rockford
$169 Roundtrip, just found
$169
Roundtrip
just found
Select American Airlines flight, departing Sat, Dec 13 from St. Louis to Rockford, returning Mon, Jan 12, priced at $169 just found
American Airlines
Mon, Dec 15 - Wed, Dec 17
STL
St. Louis
RFD
Rockford
$186 Roundtrip, found 6 days ago
$186
Roundtrip
found 6 days ago
Select American Airlines flight, departing Mon, Dec 15 from St. Louis to Rockford, returning Wed, Dec 17, priced at $186 found 6 days ago
American Airlines
Sun, Jan 18 - Wed, Jan 21
STL
St. Louis
RFD
Rockford
$192 Roundtrip, found 5 days ago
$192
Roundtrip
found 5 days ago
Select American Airlines flight, departing Sun, Jan 18 from St. Louis to Rockford, returning Wed, Jan 21, priced at $192 found 5 days ago
American Airlines
Sun, Jan 18 - Wed, Jan 21
STL
St. Louis
RFD
Rockford
$196 Roundtrip, found 11 hours ago
$196
Roundtrip
found 11 hours ago
Select American Airlines flight, departing Sun, Jan 18 from St. Louis to Rockford, returning Wed, Jan 21, priced at $196 found 11 hours ago
American Airlines
Sun, Jan 18 - Wed, Jan 21
STL
St. Louis
RFD
Rockford
$197 Roundtrip, found 11 hours ago
$197
Roundtrip
found 11 hours ago
Select American Airlines flight, departing Sun, Jan 18 from St. Louis to Rockford, returning Wed, Jan 21, priced at $197 found 11 hours ago
American Airlines
Thu, Dec 25 - Thu, Jan 1
STL
St. Louis
RFD
Rockford
$202 Roundtrip, found 5 days ago
$202
Roundtrip
found 5 days ago
Select American Airlines flight, departing Thu, Dec 25 from St. Louis to Rockford, returning Thu, Jan 1, priced at $202 found 5 days ago
American Airlines
Sun, Jan 18 - Wed, Jan 21
STL
St. Louis
RFD
Rockford
$206 Roundtrip, found 5 days ago
$206
Roundtrip
found 5 days ago
Select American Airlines flight, departing Sun, Jan 18 from St. Louis to Rockford, returning Wed, Jan 21, priced at $206 found 5 days ago

Alternative airports near Rockford

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Greater Rockford RFD. Cheapest and Closest option available. Average driving time to city center is 10 minutes. Flights from $427
RFD
Greater Rockford
CheapestClosest
Average driving time to city center10 min
Flights from $427

Frequently asked questions

How much does a flight from Lambert-St. Louis Intl. Airport (STL) to Rockford, IL (RFD-Greater Rockford) cost?
Secure a cheap one-way flight from $69 or cheap return flight from $138 from Lambert-St. Louis Intl. Airport (STL) to Rockford, IL (RFD-Greater Rockford) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Lambert-St. Louis Intl. Airport (STL) to Rockford, IL (RFD-Greater Rockford)?
January is the least expensive month to fly from STL to RFD. Timing your trip outside of the busy season is often the key to finding a great deal.
What is the cheapest airline that flies from Lambert-St. Louis Intl. Airport (STL) to Rockford, IL (RFD-Greater Rockford)?
Expedia's filter tool lets you easily compare different airlines, flight durations and fares all in one place. Select your preferences, then sort by "Price (lowest to highest)" to find out which carrier offers the cheapest STL to RFD flight.
How many flights per day from Lambert-St. Louis Intl. Airport (STL) to Rockford, IL (RFD-Greater Rockford)?
You'll have to book a flight with a layover when traveling from Lambert-St. Louis Intl. Airport (STL) to Rockford, IL (RFD-Greater Rockford). Direct flights don't operate daily on this route. However, simply filter your search to include one or two stops to find an option that works for you.
What day of the week has the most flights from STL to RFD?
Friday is usually the busiest day for flights, while Tuesday tends to be the quietest.* Keep in mind that flight schedules can vary based on various factors, including the carrier and season.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Lambert-St. Louis Intl. Airport (STL) to Rockford, IL (RFD-Greater Rockford)?
To avoid potential delays on the Lambert-St. Louis Intl. Airport (STL) to Rockford, IL (RFD-Greater Rockford) route, aim to fly before 3 PM. Flights after this time are 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Lambert-St. Louis Intl. Airport (STL) to Rockford, IL (RFD-Greater Rockford) last-minute?
Booking your flight from STL to RFD shortly before your journey is typically more expensive. But if there's some wiggle room with your departure dates and times, you could bag a cheap last-minute fare.
Can I cancel or change the date of my flight from Lambert-St. Louis Intl. Airport (STL) to Rockford, IL (RFD-Greater Rockford)?
In most cases, you can cancel or reschedule your STL to RFD flight. However, there may be additional charges, especially if you made your booking over 24 hours ago. Check your itinerary for the airline's guidelines and fees on flight changes, or if you'd like further details, go to our Customer Service portal.

Travel information

Origin airport
Lambert-St. Louis Intl.
Destination airport
Greater Rockford
Airlines serving
American Airlines
Roundtrip price
$137
Distance
248 mi

Book with confidence

St. Louis to Rockford Flights

The cheapest times to fly from St. Louis to Rockford

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from St. Louis to Rockford are during the month of January. You can find some of the cheapest flights from St. Louis to Rockford with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from St. Louis to Rockford

Sunday is one of the best days to book for cheap flights from St. Louis to Rockford: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from St. Louis to Rockford

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from St. Louis to Rockford in 2025. You can also book with separate airlines for your outbound and return journeys, from $69 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap St. Louis to Rockford flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your St. Louis to Rockford airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

St. Louis to Rockford Flights

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*Available to One Key members.