In terms of precipitation, rainfall in Quincy, Illinois ranges from 1.5 - 4.5 inches per month. May is typically the wettest month, when rainfall can reach 4.5 in. January is typically the driest time to visit Quincy, Illinois when rainfall is around 1.5 in.

If weather is an important factor for your trip to Quincy, Illinois, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 77.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 26.6 F).

What are the cheapest flights from Illinois to Quincy, Illinois?

Looking for the cheapest flight from Illinois to Quincy, Illinois? While on average our users pay $173, our data indicates the cheapest price to be $47. The most popular route (Lambert-St Louis - Quincy Regional), is priced around $1,715.

What airport do you fly into for flights to Quincy from Illinois?

Quincy Regional (UIN) is the airport you will fly into if you book a flight from Illinois to Quincy. It is only a 11.4 mi journey from Quincy Regional (UIN) to Quincy’s city center.

Can I find deals for flights from Illinois to Quincy that include hotel bookings?

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

How can I find direct flights from Illinois to Quincy?

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

Can I find deals for business class flights from Illinois to Quincy?

Yes. Cheapflights offers flight deals from Illinois 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.

$315+ Cheap Flights from Illinois to Quincy, IL

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Cheap flight deals from Illinois to Quincy

One-way

One-way flights from Illinois to Quincy
Search for one-way flight options from Illinois to Quincy. Find affordable one-way fares based on user searches. Data last updated September 16, 2026.

Tue 9/297:20 pm -

2 stops38h 05m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/12

$315

Find flight deals from Illinois to Quincy

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Good round-trip deal	$166 or less
Good one-way deal	$107 or less

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Price to beat on a round-trip flight from Illinois to Quincy Regional.

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Price to beat on a one-way flight from Illinois to Quincy Regional.

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Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

St. LouisQuincy

STL Lambert-St Louis - UIN Quincy Regional

STLUIN

Lambert-St Louis

Tue 9/29

7:20 pm-9:25 am

2 stops38h 05m

Quincy Regional

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$315

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/12

Sorted by cheapest first

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.

STL-UIN

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.

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Everything you need to know about your flight from Illinois to Quincy

USIL-UIN

STL-UIN

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

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 49% versus a flight in the morning.

Weekly flight availability from Illinois to Quincy, Illinois

The most flights from USIL to UIN are scheduled on a Monday (1 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (1 on average).

Reviews of airlines servicing Quincy

See what other customers who have flown with Contour from Illinois to Quincy have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Contour

7.5

Good

43 reviews

Reviews

1 / 2

10.0

Excellent

Anonymous,Oct 2025

CLT - PAH

The steward on my flight from Charlotte to Paducah was the kindest person I’ve ever met. He made everyone feel comfortable, and even laugh a little. Not to mention his hair was top tier. He deserves a raise. Xoxo

Contour

7.5

Good

43 reviews

Contour

7.5

Good

43 reviews

Reviews

1 / 2

10.0

Excellent

Anonymous,Oct 2025

CLT - PAH

Related info for your journey

What airport do you fly into for flights to Quincy from Illinois?
Quincy Regional (UIN) is the airport you will fly into if you book a flight from Illinois to Quincy. It is only a 11.4 mi journey from Quincy Regional (UIN) to Quincy’s city center.
What are the cheapest flights from Illinois to Quincy, Illinois?
Looking for the cheapest flight from Illinois to Quincy, Illinois? While on average our users pay $173, our data indicates the cheapest price to be $47. The most popular route (Lambert-St Louis - Quincy Regional), is priced around $1,715.
Can I find deals for flights from Illinois to Quincy that include hotel bookings?
Yes. In addition to deals on Illinois to Quincy flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Illinois to Quincy?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Illinois to Quincy.
Can I find deals for business class flights from Illinois to Quincy?
Yes. Cheapflights offers flight deals from Illinois 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.

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Top airline flying from Illinois to Quincy

Airline	Cheapest	Average	Flexibility	On-time
Contour	Cheapest$96	Average$138	FlexibilityNo cancel fee	On-timeN/A

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$315+ Cheap flights from Illinois to Quincy, IL (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 9/29. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Illinois to Quincy with Cheapflights

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2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Illinois to Quincy

One-way flights from Illinois to QuincySearch for one-way flight options from Illinois to Quincy. Find affordable one-way fares based on user searches. Data last updated September 16, 2026.

Search for one-way flight options from Illinois to Quincy. Find affordable one-way fares based on user searches. Data last updated September 16, 2026.

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Use the filters below to find and compare flights from Illinois to Quincy that are best for you.

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.

Cheapflights Insights

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 September 16, 2026.

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 49% versus a flight in the morning.

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 September 16, 2026.

The most flights from USIL to UIN are scheduled on a Monday (1 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (1 on average).

Reviews of airlines servicing Quincy

See what other customers who have flown with Contour from Illinois to Quincy have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

What airport do you fly into for flights to Quincy from Illinois?

What are the cheapest flights from Illinois to Quincy, Illinois?

Can I find deals for flights from Illinois to Quincy that include hotel bookings?

How can I find direct flights from Illinois to Quincy?

Can I find deals for business class flights from Illinois to Quincy?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Illinois to Quincy

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Complete your trip

Complete your trip to Quincy by adding a car rental and/or hotel reservation to your travel itinerary.

Search flights from Illinois to Quincy by cabin class

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Illinois and Quincy flights

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Other flights to Quincy

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One-way flights from Illinois to Quincy
Search for one-way flight options from Illinois to Quincy. Find affordable one-way fares based on user searches. Data last updated September 16, 2026.