Flight to Illinois

View S$751 flight on Wed, 14 Oct, 2026Opens in a new window

Popular airlines to Illinois

  • Delta

  • Frontier Airlines

  • American Airlines

  • United

  • Alaska Airlines

  • Spirit Airlines

  • JetBlue Airways

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Cheap round-trip flights to Illinois

Prices were available within the past 7 days and start at S$751 for one-way flights and S$1,081 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

All Nippon Airways
Sun, 7 Feb - Mon, 22 Feb
SIN
Singapore
ORD
Chicago
S$1,081 Return, found 2 days ago
S$1,081
Return
found 2 days ago
Select All Nippon Airways flight, departing Sun, 7 Feb from Singapore to Chicago, returning Mon, 22 Feb, priced at S$1,081 found 2 days ago
Korean Air
Wed, 21 Oct - Sun, 1 Nov
SIN
Singapore
ORD
Chicago
S$1,222 Return, found 9 hours ago
S$1,222
Return
found 9 hours ago
Select Korean Air flight, departing Wed, 21 Oct from Singapore to Chicago, returning Sun, 1 Nov, priced at S$1,222 found 9 hours ago
Delta
Wed, 3 Feb - Thu, 18 Feb
SIN
Singapore
ORD
Chicago
S$1,224 Return, found 2 days ago
S$1,224
Return
found 2 days ago
Select Delta flight, departing Wed, 3 Feb from Singapore to Chicago, returning Thu, 18 Feb, priced at S$1,224 found 2 days ago
Etihad Airways
Tue, 8 Sept - Thu, 17 Sept
PVG
Shanghai
ORD
Chicago
S$1,317 Return, found 1 day ago
S$1,317
Return
found 1 day ago
Select Etihad Airways flight, departing Tue, 8 Sept from Shanghai to Chicago, returning Thu, 17 Sept, priced at S$1,317 found 1 day ago
Delta
Sun, 13 Sept - Sun, 27 Sept
SIN
Singapore
MDW
Chicago
S$1,365 Return, found 1 day ago
S$1,365
Return
found 1 day ago
Select Delta flight, departing Sun, 13 Sept from Singapore to Chicago, returning Sun, 27 Sept, priced at S$1,365 found 1 day ago
Malaysia Airlines
Sat, 30 Jan - Thu, 4 Feb
SIN
Singapore
ORD
Chicago
S$1,375 Return, found 6 hours ago
S$1,375
Return
found 6 hours ago
Select Malaysia Airlines flight, departing Sat, 30 Jan from Singapore to Chicago, returning Thu, 4 Feb, priced at S$1,375 found 6 hours ago
Qatar Airways
Sun, 18 Oct - Mon, 2 Nov
SIN
Singapore
STL
St. Louis
S$1,500 Return, found 1 day ago
S$1,500
Return
found 1 day ago
Select Qatar Airways flight, departing Sun, 18 Oct from Singapore to St. Louis, returning Mon, 2 Nov, priced at S$1,500 found 1 day ago
Japan Airlines
Sat, 30 Jan - Thu, 4 Feb
SIN
Singapore
ORD
Chicago
S$1,516 Return, found 6 hours ago
S$1,516
Return
found 6 hours ago
Select Japan Airlines flight, departing Sat, 30 Jan from Singapore to Chicago, returning Thu, 4 Feb, priced at S$1,516 found 6 hours ago
Qatar Airways
Sun, 18 Oct - Mon, 2 Nov
SIN
Singapore
STL
St. Louis
S$1,560 Return, found 1 day ago
S$1,560
Return
found 1 day ago
Select Qatar Airways flight, departing Sun, 18 Oct from Singapore to St. Louis, returning Mon, 2 Nov, priced at S$1,560 found 1 day ago
Turkish Airlines
Wed, 20 May - Wed, 27 May
PVG
Shanghai
ORD
Chicago
S$1,563 Return, found 8 hours ago
S$1,563
Return
found 8 hours ago
Select Turkish Airlines flight, departing Wed, 20 May from Shanghai to Chicago, returning Wed, 27 May, priced at S$1,563 found 8 hours ago

Trending flights to Illinois

These prices were available within the past 7 days. Prices quoted are per person, return, for the period specified. Prices and availability are subject to change. Additional terms apply.

All Nippon Airways
Sun, 7 Feb - Mon, 22 Feb
SIN
Singapore
ORD
Chicago
S$1,081 Return, found 2 days ago
S$1,081
Return
found 2 days ago
Select All Nippon Airways flight, departing Sun, 7 Feb from Singapore to Chicago, returning Mon, 22 Feb, priced at S$1,081 found 2 days ago

Frequently asked questions

How do I find cheap flights to Illinois that have flexible change policies?
Search for cheap flights to Illinois, then tick the "No change fee" box under the "Flexible change policies" heading. From then on it's smooth sailing. We understand that travel plans change and flexibility is essential, so book with confidence with Expedia.
Which airlines fly to Illinois?
Whether you're travelling somewhere new or rendezvousing at a favourite haunt, these airlines are waiting to take you into or near Illinois:

  • United Airlines - 13,063 flights to or near Illinois each month, including 12,950 flights to O'Hare Intl. Airport (ORD) and 108 flights to Quad City Intl. Airport (MLI) per month.
  • American Airlines - 8,977 flights to or near Illinois each month, including 8,855 flights to O'Hare Intl. Airport (ORD) and 121 flights to Quad City Intl. Airport (MLI) per month.
  • Southwest Airlines - 5,997 flights to or near Illinois each month, including 5,334 flights to Midway Intl. Airport (MDW) and 663 flights to O'Hare Intl. Airport (ORD) per month.

How can I find cheap tickets to Illinois?
One of the easiest ways to find cheap tickets to Illinois is to be flexible with your travel dates. Search for your flights, then click "flexible dates" at the top of your results. It'll reveal the cheapest prices for nearby days. The lowest price for a flight to Illinois in the last seven days was S$1,081. Booking well in advance will generally help you score an even bigger bargain.
How much is a flight to Illinois?
There were plenty of bargain fares up for grabs in the last seven days, with the cost of a return airfare to Illinois ranging between S$1,081 and S$1,563. Many lucky travellers nabbed one-way tickets from Singapore (SIN) for as little as S$751.
What are the most popular airports to fly into in Illinois?
Touch down at one of these top Illinois airports and you'll be perfectly placed to discover all that this wonderful region has to offer:

  • O'Hare Intl. Airport (ORD) - 25,318 flights per month.
  • Midway Intl. Airport (MDW) - 5,962 flights per month.
  • Quad City Intl. Airport (MLI) - 325 flights per month.

When is the cheapest time to fly to Illinois?
Take off for Illinois early in the week and you'll usually be rewarded more economical fares. Tuesday is typically the cheapest day to hop on a plane, followed by Monday. If you're hoping to avoid the most expensive flights, steer clear of Saturdays.
How much is a plane ticket to Illinois?
In the last seven days, plane fares to Illinois ranged from S$1,081 to S$1,563.
What is the best time to go to Illinois?
A terrific time to check out Chicago is after June 20 when the summer season starts. In Illinois's main city, average temperatures range from 18ºC to 24ºC at this time — ideal weather for sightseeing! May, June and August are the most popular months to head to this hot spot.
What months are the cheapest to book a flight to Illinois?
The top month to purchase affordable flights to Illinois is February. Remember that in the U.S, an expensive time to reserve a ticket is during the busy month of December.

Book with confidence

Expedia offers flights to Illinois to meet every traveller's needs. Whatever your flight need - Expedia has the flight for you. So choose from flights to Illinois or destinations around the world and discover how easy it is to make your flight reservations on Expedia.

Travel information

Illinois Flights Information

Airlines serving
Korean Air, Delta, Qatar Airways, Philippine Airlines, Malaysia Airlines, All Nippon Airways, Air Canada, Etihad Airways, Japan Airlines, Turkish Airlines
Roundtrip price
from S$1,081
Illinois Flights Information

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