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Flights from St Louis Airport to Illinois

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Flight deals from St Louis Airport to Illinois

Looking for cheap tickets from St Louis Airport to Illinois, or a last-minute trip? Find the lowest prices on one-way and return tickets right here.
Quincy.£62 per passenger.Departing Mon, 21 Apr, returning Sun, 27 Apr.Return flight with Southern Airways Express.Outbound direct flight with Southern Airways Express departs from St Louis on Mon, 21 Apr, arriving in Quincy.Inbound direct flight with Southern Airways Express departs from Quincy on Sun, 27 Apr, arriving in St Louis.Price includes taxes and charges.From £62, select.
Chicago.£75 per passenger.Departing Thu, 24 Apr, returning Mon, 28 Apr.Return flight with American Airlines.Outbound direct flight with American Airlines departs from St Louis on Thu, 24 Apr, arriving in Chicago O'Hare International.Inbound direct flight with American Airlines departs from Chicago O'Hare International on Mon, 28 Apr, arriving in St Louis.Price includes taxes and charges.From £75, select.
Peoria.£177 per passenger.Departing Thu, 10 Apr, returning Mon, 14 Apr.Return flight with United.Outbound indirect flight with United, departs from St Louis on Thu, 10 Apr, arriving in Greater Peoria.Inbound indirect flight with United, departs from Greater Peoria on Mon, 14 Apr, arriving in St Louis.Price includes taxes and charges.From £177, select.

Flying from St Louis Airport to Illinois

Arm yourself with these facts on the fly.
Cheapest flight found£62, Quincy
Cheapest month to flyApril
Average flight time1 hr, 11 mins
Average flights per week743
Most popular airlineAmerican Airlines

Frequently asked questions

Yes - direct flights currently operate from St Louis Airport to Quincy Airport and Chicago O'Hare International Airport in Illinois.
We looked at all of the upcoming return flights from St Louis Airport to Illinois we could find over the next 12 months. It looks like £62 is the best price. This is good, compared to the average Illinois ticket price of £192.
The cheapest month to fly from St Louis Airport to Greater Peoria Airport is currently April.
The cheapest month to fly from St Louis Airport to Chicago O'Hare International Airport is currently April.
And the cheapest month to fly from St Louis Airport to Quincy Airport is usually April.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from St Louis Airport to Illinois on Monday, 21 April 2025.
If you're flying from St Louis, the cheapest city in Illinois to fly into is Quincy. The cheapest airport serving Quincy at the moment is Quincy.
The average flight time between St Louis Airport and Illinois is 1 hour and 11 minutes.