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Cheap flights from Singapore to Illinois from S$ 650

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8-2. Fares are subject to change and may not be available on all flights or dates of travel.
SIN — ORD
11 Jan — 18 Jan1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Singapore to Illinois

Enter your travel dates to find the best prices.

Cheapest flights from Singapore to Illinois
Explore the most affordable flight options available from Singapore to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 12 December 2025.

Thu 11-1210:10SIN - ORD
1 stop20h 50mUnited Airlines
Thu 11-1219:35ORD - SIN
1 stop34h 40mUnited Airlines
Deal found 9-12S$ 1,204
Sat 13-1215:45SIN - ORD
2 stops28h 36mEVA Air
Mon 5-106:00ORD - SIN
2 stops40h 05mEVA Air
Deal found 11-12S$ 1,362
Sat 13-1210:10SIN - ORD
1 stop20h 50mUnited Airlines
Mon 5-122:10ORD - SIN
1 stop32h 05mUnited Airlines
Deal found 12-12S$ 1,413
Sat 13-1210:10SIN - ORD
1 stop20h 50mUnited Airlines
Sat 13-1219:35ORD - SIN
1 stop34h 40mUnited Airlines
Deal found 11-12S$ 1,550
Thu 25-1208:15SIN - ORD
1 stop19h 25mMultiple Airlines
Sun 28-1213:30ORD - SIN
1 stop42h 15mMultiple Airlines
Deal found 10-12S$ 1,652
Fri 12-1210:10SIN - ORD
1 stop20h 50mUnited Airlines
Fri 12-1219:35ORD - SIN
2 stops45h 20mUnited Airlines
Deal found 11-12S$ 1,695
Wed 24-1201:35SIN - ORD
2 stops36h 27mDelta
Wed 31-1206:00ORD - SIN
2 stops33h 00mDelta
Deal found 10-12S$ 1,768
Sat 20-1201:40SIN - MDW
2 stops28h 40mMultiple Airlines
Fri 10-717:59MDW - SIN
2 stops25h 26mMultiple Airlines
Deal found 11-12S$ 5,808
Sat 20-1201:40SIN - MDW
2 stops28h 40mKLM
Thu 9-718:45MDW - SIN
2 stops31h 55mKLM
Deal found 11-12S$ 6,557
Fri 19-1222:30SIN - MDW
2 stops30h 48mDelta
Wed 8-709:20MDW - SIN
2 stops25h 20mDelta
Deal found 11-12S$ 12,296
Wed 17-1201:40SIN - MDW
2 stops28h 51mMultiple Airlines
Sat 3-118:08MDW - SIN
2 stops32h 47mMultiple Airlines
Deal found 10-12S$ 12,679

Find flight deals from Singapore to Illinois

Keep the following information in mind while searching for Singapore to Illinois flight deals. Data was last updated 12 December 2025.

Round-trip from

S$ 1,098

One-way from

S$ 650

Popular in

January

Cheapest in

October

Average price

S$ 1,618
Korean Air
  • Korean Air
  • 2-2-26-2
  • 2 total stops
  • 67h 10m total
  • Singapore to Illinois
Search Deals
8-2
  • 8-2
  • 3 total stops
  • 50h 31m total
  • Singapore to Illinois
Search Deals
Highest demand for flights based on searches. 15% potential increase in price (S$ 344 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (S$ 99 potential savings vs. average return price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Singapore to 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, Cheapflights users made 200,618 searches. Data last updated 12 December 2025.
Use the filters below to find and compare flights from Singapore to Illinois that are best for you.

Fly from

Singapore

Fly to

Illinois

Route

Depart

Return

Price

SingaporeChicago

SIN - ORD

SINORD

Singapore Changi

Sun 15-3

22:30-09:40

1 stop24h 10m

Chicago O'Hare Intl

Sun 29-3

12:20-05:00

1 stop27h 40m

S$ 1,107

SingaporeChicago

SIN - ORD

SINORD

Singapore Changi

Tue 10-2

10:40-08:40

1 stop36h 00m

Chicago O'Hare Intl

Fri 20-2

11:25-00:10

1 stop22h 45m

S$ 1,126

SingaporeChicago

SIN - ORD

SINORD

Singapore Changi

Thu 22-1

01:35-08:40

1 stop21h 05m

Chicago O'Hare Intl

Fri 30-1

11:25-20:25

1 stop43h 00m

S$ 1,126

SingaporeChicago

SIN - MDW

SINMDW

Singapore Changi

Tue 10-3

10:40-13:23

2 stops39h 43m

Chicago Midway

Tue 24-3

09:32-00:10

2 stops25h 38m

S$ 1,129

SingaporeChicago

SIN - ORD

SINORD

Singapore Changi

Tue 10-3

10:40-23:53

2 stops26h 13m

Chicago O'Hare Intl

Tue 24-3

07:20-05:00

2 stops32h 40m

S$ 1,129

SingaporeChicago

SIN - ORD

SINORD

Singapore Changi

Sun 15-3

22:30-20:37

2 stops35h 07m

Chicago O'Hare Intl

Sun 29-3

20:40-23:40

2 stops38h 00m

S$ 1,132

SingaporeChicago

SIN - ORD

SINORD

Singapore Changi

Sun 25-1

10:10-16:57

1 stop20h 47m

Chicago O'Hare Intl

Sun 1-2

18:29-20:15

1 stop35h 46m

S$ 1,205

SingaporeChicago

SIN - ORD

SINORD

Singapore Changi

Thu 26-2

22:20-05:12

1 stop20h 52m

Chicago O'Hare Intl

Sun 1-3

18:18-08:00

1 stop23h 42m

S$ 1,205

SingaporeChicago

SIN - ORD

SINORD

Singapore Changi

Thu 15-1

10:10-05:44

1 stop33h 34m

Chicago O'Hare Intl

Fri 23-1

19:58-08:00

1 stop46h 02m

S$ 1,207

SingaporeChicago

SIN - MDW

SINMDW

Singapore Changi

Mon 19-1

22:30-22:22

2 stops37h 52m

Chicago Midway

Sat 11-7

17:25-23:40

2 stops41h 15m

S$ 1,235

Flights are sorted by cheapest return flights first.

Deals found on 11-12

Showing 1-10 of 40 results
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Best time to book a flight from Singapore to Illinois

Have a flexible travel schedule? Discover the best time to fly to Illinois from Singapore with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Singapore to Illinois

What is the cheapest month to book a flight from Singapore to Illinois?

Currently, June is the cheapest month in which you can book a flight from Singapore to Illinois (average of S$ 898). Flying from Singapore to Illinois in January is currently the most expensive (average of S$ 1,333). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from SIN to IL?

Find hourly flight availability from Singapore to Illinois. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 12 December 2025.

It’s optimal to fly from Singapore to Illinois in the morning. By choosing this option you can save up to 24% on the cost of your flight, compared to a flight in the evening.

Reviews of airlines servicing Illinois

Get insights into the airlines that provide service to Illinois. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Illinois. Reviews last updated 12 December 2025.
See what other customers who have flown with EVA Air, ANA, andJapan Airlines from Singapore to Illinois have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
EVA Air
8.5
Very Good
1,296 reviews
Check prices

Comfort

8.3

Boarding

8.4

Food

8.1

Crew

8.6

Entertainment

8.0

Overall

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2025

TPE - CRK

All was okay except for the medical emergency that happened before our boarding. I wish that the medical emergency response was more immediate.
EVA Air
8.5
Very Good
1,296 reviews
EVA Air
8.5
Very Good
1,296 reviews
Check prices

Comfort

8.3

Boarding

8.4

Food

8.1

Crew

8.6

Entertainment

8.0

Overall

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2025

TPE - CRK

All was okay except for the medical emergency that happened before our boarding. I wish that the medical emergency response was more immediate.
ANA
8.4
Very Good
1,021 reviews
EVA Air
8.5
Very Good
1,296 reviews
Check prices

Comfort

8.3

Boarding

8.4

Food

8.1

Crew

8.6

Entertainment

8.0

Overall

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2025

TPE - CRK

All was okay except for the medical emergency that happened before our boarding. I wish that the medical emergency response was more immediate.
Japan Airlines
8.3
Very Good
1,653 reviews
EVA Air
8.5
Very Good
1,296 reviews
Check prices

Comfort

8.3

Boarding

8.4

Food

8.1

Crew

8.6

Entertainment

8.0

Overall

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2025

TPE - CRK

All was okay except for the medical emergency that happened before our boarding. I wish that the medical emergency response was more immediate.
Cathay Pacific
7.6
Good
1,093 reviews
EVA Air
8.5
Very Good
1,296 reviews
Check prices

Comfort

8.3

Boarding

8.4

Food

8.1

Crew

8.6

Entertainment

8.0

Overall

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2025

TPE - CRK

All was okay except for the medical emergency that happened before our boarding. I wish that the medical emergency response was more immediate.
United Airlines
7.4
Good
9,095 reviews
EVA Air
8.5
Very Good
1,296 reviews
Check prices

Comfort

8.3

Boarding

8.4

Food

8.1

Crew

8.6

Entertainment

8.0

Overall

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2025

TPE - CRK

All was okay except for the medical emergency that happened before our boarding. I wish that the medical emergency response was more immediate.

Related info for your journey

Find useful and relevant information for your journey from Singapore to Illinois. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Singapore to Illinois?

    Singapore Changi (SIN) is the airport you will fly out of if you book a flight from Singapore to Illinois. It is only a 16.9 km journey to Changi (SIN) from Singapore’s city centre.

  • How long is the flight from Singapore to Illinois?

    Departing from Singapore to Illinois will take you 24h 10m. Airlines will cover a distance of 15039 km. This flight may include one or multiple stops.

  • Can I find deals for flights from Singapore to Illinois that include hotel bookings?

    Yes. In addition to deals on Singapore to Illinois flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Singapore to Illinois?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Singapore to Illinois.

  • Can I find deals for business class flights from Singapore to Illinois?

    Yes. Cheapflights offers flight deals from Singapore to Illinois by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Singapore to Illinois?

    Currently, June is the cheapest month in which you can book a flight from Singapore to Illinois (average of S$ 898). Flying from Singapore to Illinois in January is currently the most expensive (average of S$ 1,333). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Singapore to Illinois

See prices for flight routes from nearby airports that may be better suited for you.
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Top 4 airlines flying from Singapore to Illinois

Discover the top 4 airlines that operate flights from Singapore to Illinois. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 200,618 searches. Data last updated 12 December 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestS$ 892AverageS$ 1,329FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Japan AirlinesCheapestS$ 898AverageS$ 1,462FlexibilityNo cancel feeOn-time79%
Search Japan Airlines flights
ANACheapestS$ 1,063AverageS$ 2,847FlexibilityNo cancel feeOn-time80%
Search ANA flights
EVA AirCheapestS$ 1,306AverageS$ 1,518FlexibilityNo cancel feeOn-time74%
Search EVA Air flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Singapore to Illinois?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Singapore to Illinois. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Singapore to Illinois?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Singapore to Illinois.

Can Cheapflights find flights from Singapore to Illinois with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Singapore to Illinois flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Singapore to Illinois become cheaper?

Yes, Cheapflights offers price alerts on Singapore to Illinois flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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