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Cheap flights from Singapore to Illinois from S$ 616

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 24-5. Fares are subject to change and may not be available on all flights or dates of travel.
SIN — ORD
4 May — 11 May2
2 travellers

Cheap flight deals from Singapore to Illinois

Keep the following information in mind while searching for Singapore to Illinois flight deals. Data was last updated 29 April 2025.

Round-trip from

S$ 1,218

One-way from

S$ 616

Popular in

August

Cheapest in

February

Average price

S$ 1,391
Korean Air
  • Korean Air
  • 26-10-13-11
  • 2 total stops
  • 48h 55m total
  • Singapore to Illinois
24-5
  • 24-5
  • 3 total stops
  • 50h 42m total
  • Singapore to Illinois
Highest demand for flights based on searches. 8% potential increase in price (S$ 188 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease (S$ 44 potential savings vs. average return price).
Average for round-trip flights in April 2025

Find flight deals from Singapore to Illinois

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 29 April 2025.

Sun 26-1001:30SIN - ORD
1 stop21h 00mKorean Air
Thu 13-1111:05ORD - SIN
1 stop27h 55mKorean Air
Deal found 28-4S$ 1,218
Thu 13-1110:00SIN - ORD
1 stop20h 38mAir Canada
Thu 27-1115:40ORD - SIN
1 stop26h 15mAir Canada
Deal found 29-4S$ 1,223
Sun 26-1002:00SIN - ORD
2 stops48h 04mMultiple Airlines
Thu 13-1110:00ORD - SIN
2 stops48h 40mMultiple Airlines
Deal found 28-4S$ 1,232
Mon 10-1110:10SIN - ORD
1 stop20h 40mUnited Airlines
Tue 25-1119:55ORD - SIN
1 stop34h 20mUnited Airlines
Deal found 29-4S$ 1,239
Wed 12-1101:30SIN - ORD
2 stops36h 17mDelta
Thu 27-1117:45ORD - SIN
2 stops40h 25mDelta
Deal found 29-4S$ 1,257
Fri 12-1202:00SIN - ORD
2 stops41h 04mChina Airlines
Mon 5-118:50ORD - SIN
2 stops28h 15mChina Airlines
Deal found 29-4S$ 1,320
Tue 27-515:10SIN - ORD
2 stops27h 30mEVA Air
Tue 3-617:58ORD - SIN
2 stops29h 02mEVA Air
Deal found 29-4S$ 1,382
Fri 12-1201:25SIN - ORD
1 stop25h 35mCathay Pacific
Mon 5-114:40ORD - SIN
1 stop35h 05mCathay Pacific
Deal found 29-4S$ 1,396
Mon 2-620:30SIN - ORD
1 stop23h 55mAir India
Thu 5-612:00ORD - SIN
1 stop42h 30mAir India
Deal found 29-4S$ 1,420
Mon 23-601:55SIN - ORD
1 stop20h 20mJapan Airlines
Tue 22-701:30ORD - SIN
1 stop27h 00mJapan Airlines
Deal found 29-4S$ 1,476
Mon 26-501:10SIN - MDW
2 stops24h 18mDelta
Tue 3-616:15MDW - SIN
2 stops42h 25mDelta
Deal found 29-4S$ 1,538
Wed 25-619:45SIN - ORD
2 stops35h 10mIndiGo
Mon 7-723:45ORD - SIN
2 stops28h 35mIndiGo
Deal found 27-4S$ 1,538

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 29 April 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 26-10

01:30-09:30

1 stop21h 00m

Chicago O'Hare Intl

Thu 13-11

11:05-05:00

1 stop27h 55m

S$ 1,218

SingaporeChicago

SIN - ORD

SINORD

Singapore Changi

Sun 26-10

02:00-13:04

2 stops48h 04m

Chicago O'Hare Intl

Thu 13-11

10:00-00:40

2 stops48h 40m

S$ 1,232

SingaporeChicago

SIN - ORD

SINORD

Singapore Changi

Wed 17-9

08:45-20:03

1 stop24h 18m

Chicago O'Hare Intl

Mon 29-9

15:47-06:15

1 stop25h 28m

S$ 1,239

SingaporeChicago

SIN - ORD

SINORD

Singapore Changi

Tue 27-5

15:10-05:40

2 stops27h 30m

Chicago O'Hare Intl

Tue 3-6

17:58-12:00

2 stops29h 02m

S$ 1,382

SingaporeChicago

SIN - ORD

SINORD

Singapore Changi

Sun 26-10

01:30-09:30

1 stop21h 00m

Chicago O'Hare Intl

Thu 13-11

07:00-00:10

2 stops27h 10m

S$ 1,388

SingaporeChicago

SIN - ORD

SINORD

Singapore Changi

Tue 17-6

01:50-14:25

1 stop25h 35m

Chicago O'Hare Intl

Fri 27-6

16:00-05:30

1 stop24h 30m

S$ 1,408

SingaporeChicago

SIN - ORD

SINORD

Singapore Changi

Mon 2-6

20:30-07:25

1 stop23h 55m

Chicago O'Hare Intl

Thu 5-6

12:00-19:30

1 stop42h 30m

S$ 1,420

SingaporeChicago

SIN - ORD

SINORD

Singapore Changi

Tue 24-6

09:10-14:49

1 stop42h 39m

Chicago O'Hare Intl

Wed 23-7

20:03-07:05

2 stops46h 02m

S$ 1,428

SingaporeChicago

SIN - ORD

SINORD

Singapore Changi

Sun 1-6

02:00-05:40

2 stops40h 40m

Chicago O'Hare Intl

Thu 5-6

15:17-12:35

2 stops32h 18m

S$ 1,432

SingaporeChicago

SIN - ORD

SINORD

Singapore Changi

Mon 23-6

01:55-09:15

1 stop20h 20m

Chicago O'Hare Intl

Tue 22-7

01:30-17:30

1 stop27h 00m

S$ 1,476

Flights are sorted by cheapest return flights first.

Deals found on 29-4

Showing 1-10 of 36 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 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 29 April 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Singapore to Illinois as you normally would.

Rainfall in Illinois by month

Plan your trip to Illinois by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Illinois ranges from 43.0 - 125.0 inches per month. August is typically the wettest month, when rainfall can reach 125.0 mm. January is typically the driest time to visit Illinois when rainfall is around 43.0 mm.

Temperature in Illinois by month

Plan your trip to Illinois by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Illinois, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 23.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -5.0 C).

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 29 April 2025.
Read reviews from past customers who have flown EVA Air, Korean Air and Japan Airlines from Singapore to Illinois. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Boarding

8.4

Entertainment

8.0

Overall

8.4

Comfort

8.3

Food

8.1

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop

Boarding

8.4

Entertainment

8.0

Overall

8.4

Comfort

8.3

Food

8.1

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop

Boarding

8.4

Entertainment

8.0

Overall

8.4

Comfort

8.3

Food

8.1

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop

Boarding

8.4

Entertainment

8.0

Overall

8.4

Comfort

8.3

Food

8.1

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop

Boarding

8.4

Entertainment

8.0

Overall

8.4

Comfort

8.3

Food

8.1

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop

Boarding

8.4

Entertainment

8.0

Overall

8.4

Comfort

8.3

Food

8.1

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop

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.

  • What are the cheapest airlines to fly from Singapore to Illinois one-way?

    To fly one-way, consider booking your trip with IndiGo, which is currently one of the cheapest options available, starting at S$ 689. China Airlines flights start at S$ 833 while deals on Korean Air start at S$ 837 one-way.

  • 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.

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.

Top 7 airlines flying from Singapore to Illinois

Discover the top 7 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 29 April 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestS$ 1,087AverageS$ 1,613FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Cathay PacificCheapestS$ 1,221AverageS$ 1,468FlexibilityNo cancel feeOn-time72%
Search Cathay Pacific flights
Korean AirCheapestS$ 1,258AverageS$ 2,667FlexibilityNo cancel feeOn-time81%
Search Korean Air flights
EVA AirCheapestS$ 1,292AverageS$ 1,507FlexibilityNo cancel feeOn-time74%
Search EVA Air flights
ANACheapestS$ 1,412AverageS$ 2,107FlexibilityNo cancel feeOn-time80%
Search ANA flights
Japan AirlinesCheapestS$ 1,465AverageS$ 1,693FlexibilityNo cancel feeOn-time79%
Search Japan Airlines flights
Etihad AirwaysCheapestS$ 2,008AverageS$ 2,501FlexibilityNo cancel feeOn-time75%
Search Etihad Airways 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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