$57+ Cheap flights from Illinois to Quincy, IL (UIN)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/31. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — UIN
Nov 19 — Nov 261
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Illinois to Quincy with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Illinois to Quincy
Keep the following information in mind while searching for Illinois to Quincy flight deals. Data was last updated October 20, 2025.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $251 (Kiwi.com) |
One-way from | $57 (Trip.com) |
Good round-trip deal | $165 or less |
Good one-way deal | $113 or less |
Find flight deals from Illinois to Quincy
Cheapest flights from Illinois to QuincyExplore the most affordable flight options available from Illinois to Quincy. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 20, 2025.
Explore the most affordable flight options available from Illinois to Quincy. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 20, 2025.
This Trip.com deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/238:40 pmSTL - UIN
Nonstop0h 51mSouthern / Mokulele
Sat 10/257:50 amUIN - STL
Nonstop0h 50mSouthern / Mokulele
Deal found 10/19![Southern / Mokulele logo]()
$153
This Kiwi.com deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/318:40 pmSTL - UIN
Nonstop0h 51mMultiple Airlines
Sun 11/25:30 pmUIN - STL
3 stops39h 37mMultiple Airlines
Deal found 10/19![Multiple Airlines logo]()
$251
This Kiwi.com deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/239:20 amSTL - UIN
Nonstop0h 51mMultiple Airlines
Sat 10/2510:35 amUIN - STL
3 stops46h 57mMultiple Airlines
Deal found 10/19![Multiple Airlines logo]()
$366
Cheapflights Fare Finder
Customize your flight search to find flights from Illinois to Quincy that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated October 20, 2025.
Use the filters below to find and compare flights from Illinois to Quincy that are best for you.
Fly from
Illinois
Fly to
Quincy
Route
Depart
Return
Price
St. LouisQuincy
STL - UIN
STLUIN
Lambert-St Louis
Fri 10/31
8:40 pm-9:31 pm
Nonstop0h 51m
Quincy Regional
Sun 11/2
5:30 pm-9:07 am
3 stops39h 37m
$251
St. LouisQuincy
STL - UIN
STLUIN
Lambert-St Louis
Fri 10/31
8:40 pm-9:31 pm
Nonstop0h 51m
$57
St. LouisQuincy
STL - UIN
STLUIN
Lambert-St Louis
Mon 11/17
7:45 pm-3:20 pm
2 stops43h 35m
$162
St. LouisQuincy
STL - UIN
STLUIN
Lambert-St Louis
Fri 10/31
8:40 pm-4:20 pm
2 stops43h 40m
$193
Best time to book a flight from Illinois to Quincy
Have a flexible travel schedule? Discover the best time to fly to Quincy from Illinois 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 Illinois to Quincy
What is the cheapest month to book a flight from Illinois to Quincy, Illinois?
Currently, December is the cheapest month in which you can book a flight from Illinois to Quincy, Illinois (average of $66). Flying from Illinois to Quincy, Illinois in May is currently the most expensive (average of $143). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from IL to UIN?
Find hourly flight availability from Illinois to Quincy. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 20, 2025.
When flying from Illinois to Quincy, Illinois, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 47% versus a flight at noon.
Weekly flight availability from Illinois to Quincy, Illinois
Explore weekly flight availability from Illinois to Quincy. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated October 20, 2025.
The most flights from USIL to UIN are scheduled on a Monday (3 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (2 on average).