Flight to Illinois

View S$747 flight on Wed, 20 May, 2026Opens in a new window

Popular airlines to Illinois

  • Frontier Airlines

  • Delta

  • American Airlines

  • United

  • Southwest Airlines

  • Spirit Airlines

  • Alaska Airlines

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Cheap round-trip flights to Illinois

Prices were available within the past 7 days and start at S$747 for one-way flights and S$1,082 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

All Nippon Airways
Mon, 5 Oct - Tue, 20 Oct
SIN
Singapore
ORD
Chicago
S$1,082 Return, found 1 day ago
S$1,082
Return
found 1 day ago
Select All Nippon Airways flight, departing Mon, 5 Oct from Singapore to Chicago, returning Tue, 20 Oct, priced at S$1,082 found 1 day ago
United
Mon, 23 Mar - Mon, 23 Mar
SIN
Singapore
ORD
Chicago
S$1,199 Return, found 2 days ago
S$1,199
Return
found 2 days ago
Select United flight, departing Mon, 23 Mar from Singapore to Chicago, returning Mon, 23 Mar, priced at S$1,199 found 2 days ago
Korean Air
Thu, 24 Dec - Fri, 8 Jan
SIN
Singapore
ORD
Chicago
S$1,221 Return, found 9 hours ago
S$1,221
Return
found 9 hours ago
Select Korean Air flight, departing Thu, 24 Dec from Singapore to Chicago, returning Fri, 8 Jan, priced at S$1,221 found 9 hours ago
Delta
Thu, 3 Sept - Thu, 10 Sept
SIN
Singapore
MDW
Chicago
S$1,224 Return, found 6 hours ago
S$1,224
Return
found 6 hours ago
Select Delta flight, departing Thu, 3 Sept from Singapore to Chicago, returning Thu, 10 Sept, priced at S$1,224 found 6 hours ago
Delta
Tue, 10 Nov - Wed, 25 Nov
SIN
Singapore
ORD
Chicago
S$1,224 Return, found 10 hours ago
S$1,224
Return
found 10 hours ago
Select Delta flight, departing Tue, 10 Nov from Singapore to Chicago, returning Wed, 25 Nov, priced at S$1,224 found 10 hours ago
Cathay Pacific
Tue, 1 Sept - Wed, 16 Sept
SIN
Singapore
ORD
Chicago
S$1,366 Return, found 12 hours ago
S$1,366
Return
found 12 hours ago
Select Cathay Pacific flight, departing Tue, 1 Sept from Singapore to Chicago, returning Wed, 16 Sept, priced at S$1,366 found 12 hours ago
Turkish Airlines
Mon, 11 May - Mon, 18 May
SIN
Singapore
ORD
Chicago
S$1,414 Return, found 4 days ago
S$1,414
Return
found 4 days ago
Select Turkish Airlines flight, departing Mon, 11 May from Singapore to Chicago, returning Mon, 18 May, priced at S$1,414 found 4 days ago
EVA Airways
Wed, 11 Mar - Wed, 15 Jul
SIN
Singapore
STL
St. Louis
S$1,416 Return, found 2 days ago
S$1,416
Return
found 2 days ago
Select EVA Airways flight, departing Wed, 11 Mar from Singapore to St. Louis, returning Wed, 15 Jul, priced at S$1,416 found 2 days ago
EVA Airways
Fri, 16 Oct - Tue, 20 Oct
SIN
Singapore
ORD
Chicago
S$1,423 Return, found 5 days ago
S$1,423
Return
found 5 days ago
Select EVA Airways flight, departing Fri, 16 Oct from Singapore to Chicago, returning Tue, 20 Oct, priced at S$1,423 found 5 days ago
Japan Airlines
Wed, 1 Jul - Fri, 17 Jul
SIN
Singapore
CMI
Champaign
S$1,455 Return, found 4 days ago
S$1,455
Return
found 4 days ago
Select Japan Airlines flight, departing Wed, 1 Jul from Singapore to Champaign, returning Fri, 17 Jul, priced at S$1,455 found 4 days ago

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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
Mon, 5 Oct - Tue, 20 Oct
SIN
Singapore
ORD
Chicago
S$1,082 Return, found 1 day ago
S$1,082
Return
found 1 day ago
Select All Nippon Airways flight, departing Mon, 5 Oct from Singapore to Chicago, returning Tue, 20 Oct, priced at S$1,082 found 1 day 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$1,082. 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$1,082 and S$1,455. Many lucky travellers nabbed one-way tickets from Singapore (SIN) for as little as S$747.
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$1,082 to S$1,455.
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
United, Delta, All Nippon Airways, EVA Airways, Cathay Pacific, Qatar Airways, Turkish Airlines, Korean Air, Japan Airlines
Roundtrip price
from S$1,082
Illinois Flights Information

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