SGD/SG
Find cheap flights to Illinois in 2026/2027 from S$966 This is the cheapest return flight found to Illinois from Singapore on FlightsFinder on October 25th 2026 at 11:43. This offer may no longer be available. Click the offer to check live prices & dates of travel.
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Our Flight Finder compares the cheapest flights to Illinois from the most established flight comparison sites.
Fly to Illinois and visit sites like Millennium Park, Willis Tower, Navy Pier & The Art Institute of Chicago.
1. Enter your search requirements for Illinois
2. Compare the best Illinois deals from top comparison engines
3. Book your Illinois flight at the cheapest price
These economy flights were found on FlightsFinder from Singapore to Illinois in the last few days. Prices subject to availability.
These economy flights were found on FlightsFinder from Singapore to Illinois in the last few days. Prices subject to availability.
According to our data, November is on average the cheapest time to book flights to Illinois.
You can get flights from S$966 return.
According to our data, July is on average the most expensive time to book flights to Illinois.
A return flight could set you back more than S$1,592.
Illinois, known as the "Land of Lincoln," is a vibrant state in the heart of the Midwest, offering a diverse range of experiences for visitors. From the iconic skyline of Chicago with its towering skyscrapers and cultural attractions, to the charming small towns scattered throughout the state, Illinois blends urban excitement with rural charm. Explore the picturesque vineyards of the Shawnee Hills Wine Trail, wander through the historic neighborhoods of Springfield, or take in a show at one of the many theaters in the state. With its rich history, dynamic cities, and scenic landscapes, Illinois promises a memorable adventure for travelers of all interests.
A good price for a flight to Chicago is S$869 - S$1063.
Some popular airports near the city of Illinois include O'Hare International Airport (ORD), Midway International Airport (MDW), and Chicago Rockford International Airport (RFD).
The flight to Illinois (CHI) is roughly 21 hours 16 minutes and 9,352 miles (15,051 kilometres) from Singapore, Singapore - Changi Airport (SIN).
The best way is to compare flights to Illinois from leading comparison sites using our search engine dashboard.
We have currently found no direct flights to Illinois.
Here is the average weather forecast in Illinois by month:
• Jan: -0°C
• Feb: 2°C
• Mar: 8°C
• Apr: 15°C
• May: 21°C
• Jun: 27°C
• Jul: 29°C
• Aug: 28°C
• Sep: 24°C
• Oct: 17°C
• Nov: 9°C
• Dec: 2°C
The main airport in Illinois, O'Hare International Airport, is approximately 17 miles from downtown Chicago.
Typically, flights are cheapest to Illinois 2 months before departure.
Studies show flights to Illinois are typically cheaper on Tuesdays and Wednesdays.
10.2 °C
Tue, 27 Oct 2026
Average Temperature
-0°C
Jan
2°C
Feb
8°C
Mar
15°C
Apr
21°C
May
27°C
Jun
29°C
Jul
28°C
Aug
24°C
Sep
17°C
Oct
9°C
Nov
2°C
Dec
Select a City Below to see the Cheapest Flights to Illinois:
Chicago, Illinois | Peoria, Illinois | Moline, Illinois | Springfield, Illinois | Marion, Illinois | Bloomington, Illinois
Singapore, Singapore - Changi Airport (SIN) to Illinois (CHI)
Distance:
9,352 miles (15,051 kilometres)
Average flight time (direct 21 hours 16 minutes)
From Singapore (SIN), Singapore to Chicago, United States (ORD): S$966
Depart: 12 Nov 2026 · Return: 25 Nov 2026 Price found 25 Oct 2026, 11:43
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