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Quincy

$1,713+ Cheap flights from St. Louis to Quincy, IL (STL - UIN)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/2. Fares are subject to change and may not be available on all flights or dates of travel.
STL — UIN
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheap flight deals from St. Louis to Quincy

Best flights from St. Louis to Quincy
Discover carefully curated flight deals from St. Louis to Quincy that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 18, 2025.

This Expedia deal was found by Cheapflights users on 12/17. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/27:00 amSTL - UIN
2 stops13h 50mMultiple Airlines
Mon 1/59:50 amUIN - STL
2 stops14h 09mMultiple Airlines
Deal found 12/17$1,723

Find flight deals from St. Louis to Quincy

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Quincy (UIN). 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 December 18, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$1,713
(Expedia)

Popular in

December

Cheapest in

February

Average price

$150
Provider with most accurate pricing for Lambert-St Louis-Quincy Regional flight deals.
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Provider most trusted by Cheapflights users for Lambert-St Louis-Quincy Regional flights.
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From Lambert-St Louis to Quincy Regional
Search Deals
Highest demand for flights based on searches. 35% potential increase in price ($48 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($7 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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Cheapflights Fare Finder

 
Customize your flight search to find flights from St. Louis 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 December 18, 2025.
Use the filters below to find and compare flights from St. Louis to Quincy that are best for you.

Fly from

St. Louis

Fly to

Quincy

Route

Depart

Return

Price

St. LouisQuincy

STL - UIN

STLUIN

Lambert-St Louis

Fri 1/2

7:00 am-8:50 pm

2 stops13h 50m

Quincy Regional

Mon 1/5

9:50 am-11:59 pm

2 stops14h 09m

$1,723

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

Compare providers for flights from St. Louis to Quincy

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from St. Louis to Quincy in December.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
ExpediaPrice Accuracy2 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on St. Louis-Quincy, Illinois flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on St. Louis-Quincy, Illinois flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from St. Louis-Quincy, Illinois flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on St. Louis-Quincy, Illinois flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for St. Louis-Quincy, Illinois flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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

Have a flexible travel schedule? Discover the best time to fly to Quincy 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 Quincy

What is the cheapest time of day to fly from STL to UIN?

Find hourly flight availability from St. Louis 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 December 18, 2025.

It’s optimal to fly from St. Louis to Quincy, Illinois in the afternoon. By choosing this option you can save up to 66% on the cost of your flight, compared to a flight at noon.

Reviews of airlines servicing Quincy

Get insights into the airlines that provide service to Quincy. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Quincy. Reviews last updated December 18, 2025.
Peruse reviews from past customers who have flown with Southern / Mokulele from St. Louis to Quincy to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southern / Mokulele
6.8
Okay
30 reviews

Crew

7.6

Boarding

7.2

Food

6.2

Overall

6.8

Entertainment

6.4

Comfort

7.2
Southern / Mokulele
6.8
Okay
30 reviews
Southern / Mokulele
6.8
Okay
30 reviews

Crew

7.6

Boarding

7.2

Food

6.2

Overall

6.8

Entertainment

6.4

Comfort

7.2

Related info for your journey

Find useful and relevant information for your journey from St. Louis to Quincy. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How popular is this St. Louis to Quincy, Illinois flight route?

    The Lambert-St Louis to Quincy Regional flight path was viewed by 8 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • What is the cheapest airline to fly from St. Louis to Quincy, Illinois round-trip?

    Currently priced at $68, Southern / Mokulele will fly you from St. Louis to Quincy, Illinois and back. In addition to Southern / Mokulele, many other airlines offer competitively priced options for your trip. Users have found that Southern / Mokulele is 24% cheaper than the other options available to this destination.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from St. Louis to Quincy 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

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Top airline flying from St. Louis to Quincy

Discover the top airline that operate flights from St. Louis to Quincy. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
Southern / MokuleleCheapest$68Average$77FlexibilityNo cancel feeOn-timeN/A

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