$130 Cheap Flights from St. Louis (STL) to Quincy (UIN)

View $130 flight on Wed, Dec 24, 2025Opens in a new window

Popular airlines from St. Louis Lambert Intl. Airport (STL) to Quincy, IL (UIN-Quincy Regional-Baldwin Field)

  • notification illustration

    Be in the know

    Get alerts if flight prices drop or rise*
  • deals illustration

    Book smarter

    Save up to 30% on select hotels after you book a flight*
  • trophy illustration

    Earn twice

    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

Cheap Flights from St. Louis to Quincy (STL-UIN)

Prices were available within the past 7 days and start at $130 for one-way flights and $304 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Tue, Dec 9 - Tue, Dec 16
STL
St. Louis
UIN
Quincy
$304 Roundtrip, found 4 days ago
$304
Roundtrip
found 4 days ago
Select United flight, departing Tue, Dec 9 from St. Louis to Quincy, returning Tue, Dec 16, priced at $304 found 4 days ago
United
Sat, Dec 13 - Tue, Dec 16
STL
St. Louis
UIN
Quincy
$321 Roundtrip, found 4 days ago
$321
Roundtrip
found 4 days ago
Select United flight, departing Sat, Dec 13 from St. Louis to Quincy, returning Tue, Dec 16, priced at $321 found 4 days ago
United
Tue, Feb 3 - Wed, Feb 11
STL
St. Louis
UIN
Quincy
$324 Roundtrip, found 1 day ago
$324
Roundtrip
found 1 day ago
Select United flight, departing Tue, Feb 3 from St. Louis to Quincy, returning Wed, Feb 11, priced at $324 found 1 day ago
United
Tue, Feb 3 - Sat, Feb 14
STL
St. Louis
UIN
Quincy
$331 Roundtrip, found 1 day ago
$331
Roundtrip
found 1 day ago
Select United flight, departing Tue, Feb 3 from St. Louis to Quincy, returning Sat, Feb 14, priced at $331 found 1 day ago
United
Tue, Dec 9 - Sun, Dec 14
STL
St. Louis
UIN
Quincy
$334 Roundtrip, found 4 days ago
$334
Roundtrip
found 4 days ago
Select United flight, departing Tue, Dec 9 from St. Louis to Quincy, returning Sun, Dec 14, priced at $334 found 4 days ago
United
Sat, Feb 7 - Sat, Feb 14
STL
St. Louis
UIN
Quincy
$338 Roundtrip, found 1 day ago
$338
Roundtrip
found 1 day ago
Select United flight, departing Sat, Feb 7 from St. Louis to Quincy, returning Sat, Feb 14, priced at $338 found 1 day ago
United
Mon, Feb 9 - Wed, Feb 11
STL
St. Louis
UIN
Quincy
$344 Roundtrip, found 1 day ago
$344
Roundtrip
found 1 day ago
Select United flight, departing Mon, Feb 9 from St. Louis to Quincy, returning Wed, Feb 11, priced at $344 found 1 day ago
United
Mon, Feb 9 - Sat, Feb 14
STL
St. Louis
UIN
Quincy
$351 Roundtrip, found 1 day ago
$351
Roundtrip
found 1 day ago
Select United flight, departing Mon, Feb 9 from St. Louis to Quincy, returning Sat, Feb 14, priced at $351 found 1 day ago
American Airlines
Thu, Feb 5 - Sun, Feb 8
STL
St. Louis
UIN
Quincy
$365 Roundtrip, found 1 day ago
$365
Roundtrip
found 1 day ago
Select American Airlines flight, departing Thu, Feb 5 from St. Louis to Quincy, returning Sun, Feb 8, priced at $365 found 1 day ago
American Airlines
Thu, Feb 5 - Sun, Feb 8
STL
St. Louis
UIN
Quincy
$376 Roundtrip, found 1 day ago
$376
Roundtrip
found 1 day ago
Select American Airlines flight, departing Thu, Feb 5 from St. Louis to Quincy, returning Sun, Feb 8, priced at $376 found 1 day ago

Frequently asked questions

How much does a flight from Lambert-St. Louis Intl. Airport (STL) to Quincy Regional-Baldwin Field Airport (UIN) cost?
Secure a cheap one-way flight from $130 or cheap return flight from $304 from Lambert-St. Louis Intl. Airport (STL) to Quincy Regional-Baldwin Field Airport (UIN) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Lambert-St. Louis Intl. Airport (STL) to Quincy Regional-Baldwin Field Airport (UIN)?
The cheapest month to fly from STL to UIN is December, when demand is low. Off-peak months are generally when airlines offer better prices between these airports.
Which airlines fly direct from Lambert-St. Louis Intl. Airport (STL) to Quincy Regional-Baldwin Field Airport (UIN)?
When departing from Lambert-St. Louis Intl. Airport (STL), you can board a nonstop flight to Quincy Regional-Baldwin Field Airport (UIN) with Southern Airways Express.
How many flights per day from Lambert-St. Louis Intl. Airport (STL) to Quincy Regional-Baldwin Field Airport (UIN)?
Every day on average, 2 nonstop flights operate from Lambert-St. Louis Intl. Airport (STL) to Quincy Regional-Baldwin Field Airport (UIN). Choose the departure date that best suits your plans.
What are the most popular departure times for flights from Lambert-St. Louis Intl. Airport (STL) to Quincy Regional-Baldwin Field Airport (UIN)?
More passengers fly between STL and UIN at 1 PM than at any other point in the day. Looking to skip the crowds? Travel outside of rush hours and there's a chance you'll save on your fare as well.
What day of the week has the most flights from STL to UIN?
If you fly on a Friday, you'll get the largest range of options for flights from Lambert-St. Louis Intl. Airport (STL) to Quincy Regional-Baldwin Field Airport (UIN).
What is the earliest flight from Lambert-St. Louis Intl. Airport (STL) to Quincy Regional-Baldwin Field Airport (UIN)?
The first flight of the day departing from Lambert-St. Louis Intl. Airport (STL) is at around 9:20AM UTC-6. Board this flight and you'll land at Quincy Regional-Baldwin Field Airport (UIN) at approximately 10:20AM UTC-6. The overall travel time is 1h.
How long does it take to fly from Lambert-St. Louis Intl. Airport (STL) to Quincy Regional-Baldwin Field Airport (UIN)?
Flights from STL to UIN have an average travel time of 1 hour. The distance between the two is 95 mi.
What is the best time to fly from Lambert-St. Louis Intl. Airport (STL) to Quincy Regional-Baldwin Field Airport (UIN)?
To avoid possible delays on the Lambert-St. Louis Intl. Airport (STL) to Quincy Regional-Baldwin Field Airport (UIN) route, aim to fly before 3 PM. Later flights 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.
What airports do you fly into for Quincy from Lambert-St. Louis Intl. Airport (STL)?
You can touch down at Quincy Regional-Baldwin Field Airport (UIN) or Southeast Iowa Regional Airport (BRL) when you travel to Quincy on a direct flight from Lambert-St. Louis Intl. Airport (STL).
Is it cheaper to buy a plane ticket from Lambert-St. Louis Intl. Airport (STL) to Quincy Regional-Baldwin Field Airport (UIN) last-minute?
Booking your flight from STL to UIN just before your getaway is usually more expensive. But if you're flexible with your departure times and dates, you could land a cheap last-minute fare.
Is it cheaper to book a STL to UIN flight and hotel package?
You'll generally save money by securing a STL to UIN flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's easy to manage it all in one convenient place. After selecting your ideal flights and accommodations, consider adding extras such as tours, activities and car rentals.
Can I cancel or change the date of my flight from Lambert-St. Louis Intl. Airport (STL) to Quincy Regional-Baldwin Field Airport (UIN)?
Typically, you can modify or cancel your STL to UIN flight. However, there may be additional fees, especially if your booking was made more than 24 hours ago. Double-check your itinerary for the airline's rules and fees on flight changes, or if you need more information, go to our Customer Service portal.

Travel information

Origin airport
Lambert-St. Louis Intl.
Destination airport
Quincy Regional-Baldwin Field
Roundtrip price
$304
Distance
93 mi

Book with confidence

St. Louis to Quincy Flights

The cheapest times to fly from St. Louis to Quincy

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 Quincy are during the month of December. You can find some of the cheapest flights from St. Louis to Quincy with Expedia's search tool and vast selection of airlines.

 

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

Sunday is one of the best days to book for cheap flights from St. Louis to Quincy: 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 Quincy

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 Quincy in 2025. You can also book with separate airlines for your outbound and return journeys, from $130 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 Quincy 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 Quincy 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 Quincy Flights

Explore a world of travel with Expedia

*Available to One Key members.