$158 Cheap Flights from St. Louis (STL) to Quincy (UIN)

You can find cheap one-way flights from $158 and cheap return flights $316 St. Louis, MO (STL-Lambert-St. Louis Intl.) to Quincy, IL (UIN-Quincy Regional-Baldwin Field) with Expedia. One-way flights typically cost between $39 and $79, and return flights often range between $88 and $158. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when St. Louis, MO (STL-Lambert-St. Louis Intl.) to Quincy, IL (UIN-Quincy Regional-Baldwin Field) ticket fares go up or down.

*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.

The cheapest month to fly from STL to UIN is October when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you're able to. Use the calendar view in your search to see which months have low fares on this route.

Enter STL to UIN and your travel dates, then apply the 'Nonstop' filter to see only direct flights.

Southern Airways Express is one of the cheapest airlines offering nonstop flights from Lambert-St. Louis Intl. (STL) to Quincy Regional-Baldwin Field (UIN), with round-trip tickets starting from around $88. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.

*Prices based on flights available on Expedia in the last year.

To find a cheap flight from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Quincy, IL (UIN-Quincy Regional-Baldwin Field), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.

The best airline to fly with from St. Louis, MO (STL) to Quincy, IL (UIN) will differ from traveler to traveler. If you like to fly early, Southern Airways Express offers early morning flights. If price is the most important factor, Southern Airways Express typically offers the lowest fares. United offers the most daily flights from St. Louis to Quincy, which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.

The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.

The earliest flight from St. Louis, MO (STL) to Quincy, IL (UIN) typically departs at around 9:20 AM, operated by Southern Airways Express. This service operates year-round, making it convenient for your travel plans. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.

The most popular departure times for flights from St. Louis (STL) to Quincy (UIN) are in the early afternoon, from 12pm to 3pm. About 58% of passengers prefer this time window. Southern Airways Express is a major carrier offering flights during this window. This timing is favored as it allows you to travel during the day and arrive in Quincy in the afternoon.

Flying nonstop from STL to UIN takes around 50 minutes, with the route covering approximately 94 miles. Flights with a layover typically take 8 hours 40 minutes longer than direct options. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.

Select the "Business class" and "First class" filters when looking for STL to UIN flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.

It's easy to earn miles on a St. Louis, MO (STL-Lambert-St. Louis Intl.) to Quincy, IL (UIN-Quincy Regional-Baldwin Field) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.

*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.

If you're planning to travel to Quincy from Lambert-St. Louis Intl. (STL), you can fly typically into Quincy Regional-Baldwin Field (UIN) Compare routes and airports on Expedia to find the best flight options for your travel plans.

Typically, booking a last minute flight from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Quincy, IL (UIN-Quincy Regional-Baldwin Field) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.

Securing a St. Louis, MO (STL-Lambert-St. Louis Intl.) to Quincy, IL (UIN-Quincy Regional-Baldwin Field) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.

If you booked your St. Louis, MO (STL-Lambert-St. Louis Intl.) to Quincy, IL (UIN-Quincy Regional-Baldwin Field) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.