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Cheap flights from St. Louis to Quincy from $37

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Quincy departing on 9/17. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from St. Louis to Quincy (STL-UIN)

Cheap round-trip flights

Southern / Mokulele Logo
1:00 pm - 1:51 pmSTL-UIN
0h 51mnonstop
Southern / Mokulele Logo
3:45 pm - 4:35 pmUIN-STL
0h 50mnonstop
$71Southern / Mokulele
Find Deal
Thu, Sep 25 - Thu, Oct 2
Southern / Mokulele Logo
8:40 pm - 9:31 pmSTL-UIN
0h 51mnonstop
Southern / Mokulele Logo
7:50 am - 8:40 amUIN-STL
0h 50mnonstop
$78Southern / Mokulele
Find Deal
Tue, Sep 23 - Sat, Sep 27
Southern / Mokulele Logo
9:20 am - 10:11 amSTL-UIN
0h 51mnonstop
Southern / Mokulele Logo
7:50 am - 8:40 amUIN-STL
0h 50mnonstop
$88Southern / Mokulele
Find Deal
Tue, Sep 16 - Sat, Sep 20
Southern / Mokulele Logo
1:00 pm - 1:51 pmSTL-UIN
0h 51mnonstop
Southern / Mokulele Logo
7:50 am - 8:40 amUIN-STL
0h 50mnonstop
$98Southern / Mokulele
Find Deal
Fri, Sep 12 - Mon, Sep 15
Logo
7:55 pm - 2:54 pmSTL-UIN
42h 59m2 stops
Logo
7:50 am - 8:40 amUIN-STL
0h 50mnonstop
$196
Find Deal
Tue, Sep 23 - Sat, Sep 27
Logo
7:55 pm - 2:54 pmSTL-UIN
42h 59m2 stops
Logo
7:50 am - 8:40 amUIN-STL
0h 50mnonstop
$219
Find Deal
Tue, Sep 23 - Sat, Sep 27
Logo
7:55 pm - 9:59 amSTL-UIN
38h 04m2 stops
Logo
7:50 am - 8:40 amUIN-STL
0h 50mnonstop
$228
Find Deal
Tue, Sep 23 - Sat, Sep 27
Logo
8:40 pm - 9:31 pmSTL-UIN
0h 51mnonstop
Logo
10:35 am - 9:06 amUIN-STL
22h 31m3 stops
$234
Find Deal
Thu, Sep 25 - Mon, Sep 29
Logo
7:55 pm - 2:54 pmSTL-UIN
42h 59m3 stops
Logo
7:50 am - 8:40 amUIN-STL
0h 50mnonstop
$253
Find Deal
Tue, Sep 23 - Sat, Sep 27
Logo
7:55 pm - 2:54 pmSTL-UIN
42h 59m3 stops
Logo
7:50 am - 8:40 amUIN-STL
0h 50mnonstop
$266
Find Deal
Tue, Sep 23 - Sat, Sep 27

Southern / Mokulele flights from St. Louis to Quincy, Illinois

Our best Southern / Mokulele deals on St. Louis to Quincy, Illinois flight tickets
Southern / Mokulele
Sep 25
STL1:00 pmLambert-St Louis
0h 51m
UIN1:51 pmQuincy Regional
Oct 2
UIN3:45 pmQuincy Regional
0h 50m
STL4:35 pmLambert-St Louis
$71
Find similar
Southern / Mokulele
Sep 23
STL8:40 pmLambert-St Louis
0h 51m
UIN9:31 pmQuincy Regional
Sep 27
UIN7:50 amQuincy Regional
0h 50m
STL8:40 amLambert-St Louis
$78
Find similar
Southern / Mokulele
Sep 16
STL9:20 amLambert-St Louis
0h 51m
UIN10:11 amQuincy Regional
Sep 20
UIN7:50 amQuincy Regional
0h 50m
STL8:40 amLambert-St Louis
$88
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from St. Louis to Quincy, Illinois 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, momondo users made 832,500 searches. Data last updated August 28, 2025.
Use the filters below to find and compare flights from St. Louis to Quincy, Illinois that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

St. LouisQuincy

STL - UIN

STLUIN

Lambert-St Louis

Thu 9/25

1:00 pm-1:51 pm

Nonstop0h 51m

Quincy Regional

Thu 10/2

3:45 pm-4:35 pm

Nonstop0h 50m

$71

St. LouisQuincy

STL - UIN

STLUIN

Lambert-St Louis

Tue 9/23

8:40 pm-9:31 pm

Nonstop0h 51m

Quincy Regional

Sat 9/27

7:50 am-8:40 am

Nonstop0h 50m

$78

St. LouisQuincy

STL - UIN

STLUIN

Lambert-St Louis

Tue 9/16

9:20 am-10:11 am

Nonstop0h 51m

Quincy Regional

Sat 9/20

7:50 am-8:40 am

Nonstop0h 50m

$88

St. LouisQuincy

STL - UIN

STLUIN

Lambert-St Louis

Fri 9/12

1:00 pm-1:51 pm

Nonstop0h 51m

Quincy Regional

Mon 9/15

7:50 am-8:40 am

Nonstop0h 50m

$98

St. LouisQuincy

STL - UIN

STLUIN

Lambert-St Louis

Tue 9/23

7:55 pm-2:54 pm

2 stops42h 59m

Quincy Regional

Sat 9/27

7:50 am-8:40 am

Nonstop0h 50m

$196

St. LouisQuincy

STL - UIN

STLUIN

Lambert-St Louis

Tue 9/23

7:55 pm-2:54 pm

2 stops42h 59m

Quincy Regional

Sat 9/27

7:50 am-8:40 am

Nonstop0h 50m

$219

St. LouisQuincy

STL - UIN

STLUIN

Lambert-St Louis

Tue 9/23

7:55 pm-9:59 am

2 stops38h 04m

Quincy Regional

Sat 9/27

7:50 am-8:40 am

Nonstop0h 50m

$228

St. LouisQuincy

STL - UIN

STLUIN

Lambert-St Louis

Thu 9/25

8:40 pm-9:31 pm

Nonstop0h 51m

Quincy Regional

Mon 9/29

10:35 am-9:06 am

3 stops22h 31m

$234

St. LouisQuincy

STL - UIN

STLUIN

Lambert-St Louis

Tue 9/23

7:55 pm-2:54 pm

3 stops42h 59m

Quincy Regional

Sat 9/27

7:50 am-8:40 am

Nonstop0h 50m

$253

St. LouisQuincy

STL - UIN

STLUIN

Lambert-St Louis

Tue 9/23

7:55 pm-2:54 pm

3 stops42h 59m

Quincy Regional

Sat 9/27

7:50 am-8:40 am

Nonstop0h 50m

$266

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 resultsSorted by cheapest first
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See travel insights to Quincy from

How to get the cheapest flight ticket from St. Louis to Quincy, Illinois

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to Quincy, Illinois?

Our data shows that Wednesday is the least expensive day to fly to Quincy, Illinois. Tickets to fly out on this day can be as low as $79. Be sure to avoid booking your departure on a Friday as prices are generally higher than usual. According to our data, the average ticket price to Quincy, Illinois on Friday is $228.

What is the cheapest time of day to depart on your flight to Quincy, Illinois?

In the morning is the cheapest time of day to fly from St. Louis to Quincy, Illinois when you can find flight prices for as low as $78. Flying to Quincy, Illinois in the morning is an ideal time because this is during off-peak travel hours. Flights to Quincy, Illinois are more costly at noon, with an average ticket price of $217. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest Lambert-St Louis to Quincy Regional flight route?

Fly from Lambert-St Louis to Quincy Regional for the best Lambert-St Louis - Quincy Regional flight prices

What cabin class options are available on Lambert-St Louis to Quincy Regional flights?

There is only 1 cabin class available to choose from on Lambert-St Louis to Quincy Regional flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

When to book flights from St. Louis to Quincy, Illinois

Are you open to changing your travel dates? Check out the ideal times to fly from St. Louis to Quincy, Illinois according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap St. Louis to Quincy, Illinois (STL to UIN) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from St. Louis to Quincy, Illinois

Best Price Found

$59

Fastest flight time

0h 51m

Direct flights

Wed, Thu, Fri and Sat

Airports in Quincy, Illinois

1 airport
The best one-way flight to Quincy, Illinois from St. Louis in the past 72 hours is $59. The best round-trip flight deal from St. Louis to Quincy, Illinois found on momondo in the last 72 hours is $78.
The fastest flight from St. Louis to Quincy, Illinois takes 0h 51m
Direct flights go from St. Louis to Quincy, Illinois on Wednesday, Thursday, Friday and Saturday. The only airline offering direct flights is Southern / Mokulele.
There is 1 airport near Quincy, Illinois: Quincy Regional (UIN)
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  • How far is Lambert-St Louis to Quincy Regional by plane?

    A flight from Lambert-St Louis to Quincy Regional will travel around 111.2 mi. Typically, this will take 0h 51m by plane in normal conditions.

  • When did momondo last update prices for flights from Lambert-St Louis Airport to Quincy Regional Airport?

    Prices for flights from Lambert-St Louis Airport to Quincy Regional Airport refresh daily.

  • How many operators does momondo search for flights from Lambert-St Louis Airport to Quincy Regional Airport?

  • How old do you have to be to fly from Lambert-St Louis Airport to Quincy Regional Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Lambert-St Louis Airport to Quincy Regional Airport.

  • What documentation or ID do you need to fly to Quincy Regional Airport?

    The required travel and health documents for your Quincy Regional Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Quincy Regional Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from St. Louis to Quincy, Illinois?

  • What is the most popular airline from St. Louis to Quincy, Illinois?

Best airlines flying from St. Louis to Quincy, Illinois

Compare and see reviews for airlines that fly from St. Louis to Quincy, Illinois with momondo
Airline
Rating
Free Cancellation
Price
Southern / MokulelePriceFrom $69Free CancellationRating
6.5
27 reviews
Search Southern / Mokulele flights

  • Southern / Mokulele Flights From St. Louis to Quincy, Illinois

    Southern / Mokulele flight deals from St. Louis to Quincy, Illinois start from $69 round-trip. Over the 11 Southern / Mokulele flights for this route in a normal week, average airfare is usually $76 round-trip - but some users have found much cheaper deals with momondo.

Traveling to a place near Quincy?

Book flights to Quincy if you plan to visit one of these locations
Hannibal
Canton

Why use momondo?

Why should I use momondo to find a flight deal from St. Louis to Quincy?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from St. Louis to Quincy. momondo saves you time and could save you money on your trip.

Can I find flights from St. Louis to Quincy with flexible booking policies on momondo?

All flight searches from St. Louis to Quincy on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from St. Louis to Quincy?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from St. Louis to Quincy.

I’m not ready to book a flight from St. Louis to Quincy right now. Can momondo alert me if prices change?

If you are not ready to book a flight from St. Louis to Quincy now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Quincy and let you know when they change.

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