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Cheap flights from Quincy, IL to St. Louis (UIN - STL)

UIN — STL
Nov 15 — Nov 221
Sat 11/15
Sat 11/22
1 adult, Economy
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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

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Cheap flight deals from Quincy to St. Louis

Discover tips and strategies to find the most affordable flight options for your journey from Quincy (UIN) to St. Louis (STL). 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 October 16, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Good round-trip deal

$61 or less
Provider with most accurate pricing for Quincy Regional-Lambert-St Louis flight deals.
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Provider most trusted by Cheapflights users for Quincy Regional-Lambert-St Louis flights.
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Price to beat on a round-trip flight from Quincy Regional to Lambert-St Louis.
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Compare providers for flights from Quincy to St. Louis

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 Quincy to St. Louis in October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
Trip.comPrice Accuracy2 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 Quincy, Illinois-St. Louis flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Quincy, Illinois-St. Louis flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Quincy, Illinois-St. Louis flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Quincy, Illinois-St. Louis flights, Cheapflights users trust FlightHub the most. FlightHub 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 Quincy, Illinois-St. Louis 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 Quincy to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from Quincy 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 Quincy to St. Louis

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

Find hourly flight availability from Quincy to St. Louis. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 16, 2025.

When flying from Quincy, Illinois to St. Louis, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Reviews of airlines servicing St. Louis

Get insights into the airlines that provide service to St. Louis. 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 St. Louis. Reviews last updated October 16, 2025.
Peruse reviews from past customers who have flown with Southern / Mokulele from Quincy to St. Louis 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
6.2
Okay
26 reviews

Crew

7.2

Entertainment

5.9

Overall

6.2

Comfort

6.6

Food

5.7

Boarding

6.6
Southern / Mokulele
6.2
Okay
26 reviews
Southern / Mokulele
6.2
Okay
26 reviews

Crew

7.2

Entertainment

5.9

Overall

6.2

Comfort

6.6

Food

5.7

Boarding

6.6

Related info for your journey

Find useful and relevant information for your journey from Quincy to St. Louis. 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 Quincy, Illinois to St. Louis flight route?

    Within the past month, 4 users have taken a look at flights from Quincy Regional to Lambert-St Louis.

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

    Southern / Mokulele, at $61, was found to be the cheapest airline from Quincy, Illinois to St. Louis..

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

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

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

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

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

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

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
Edwardsville
O'Fallon
Fairview Heights
Maryland Heights
Collinsville
Eureka
Glencoe
St. Peters
Chesterfield
Alton
Farmington
Festus

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Top airline flying from Quincy to St. Louis

Discover the top airline that operate flights from Quincy to St. Louis. 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 October 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
Southern / MokuleleCheapest$61Average$67FlexibilityNo cancel feeOn-timeN/A

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