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. Find deals

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). Find deals

What are the most popular airlines that fly from Singapore to Illinois?

The most popular airlines flying from Singapore to Illinois are EVA Air, Cathay Pacific and Etihad Airways. Something to consider prior to booking your flight. Find deals

What is the cheapest month to fly from Singapore to Illinois?

Due to multiple factors, expect to potentially pay more when booking in January. For low rates, October can be a great choice for travel to Illinois. Flights to Illinois from Singapore in October are about S$ 1,427 on average during October, but can be found for as low as S$ 871. Find deals

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.

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.

S$ 661+ Flights from Singapore to Illinois

Cheap flight deals from Singapore to Illinois

Round-trip from	S$ 952
One-way from	S$ 661
Popular in	January
Cheapest in	October
Average price	S$ 1,598

3-9-24-9
4 total stops
73h 35m total
Singapore to Illinois

Search Deals

Air Canada
7-10
2 total stops
35h 51m total
Singapore to Illinois

Search Deals

Highest demand for flights based on searches. 9% potential increase in price (S$ 183 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (S$ 51 potential savings vs. average return price).

Search Deals

Average for round-trip flights in August 2025

Search Deals

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 15 August 2025.

Wed 3-914:35SIN - ORD

2 stops34h 24mMultiple Airlines

Wed 24-919:09ORD - SIN

2 stops39h 11mMultiple Airlines

Deal found 15-8S$ 952

Sat 4-1009:10SIN - ORD

1 stop23h 54mAir Canada

Sun 19-1013:27ORD - SIN

2 stops28h 38mAir Canada

Deal found 14-8S$ 1,013

Thu 30-1008:50SIN - ORD

2 stops23h 40mAir Canada

Sat 8-1120:15ORD - SIN

2 stops44h 45mAir Canada

Deal found 14-8S$ 1,018

Sat 27-909:10SIN - ORD

2 stops40h 22mAir Canada

Sat 4-1013:27ORD - SIN

2 stops52h 38mAir Canada

Deal found 13-8S$ 1,021

Tue 23-909:10SIN - ORD

2 stops36h 58mAir Canada

Sat 27-915:50ORD - SIN

2 stops43h 55mAir Canada

Deal found 13-8S$ 1,040

Tue 2-922:10SIN - ORD

1 stop30h 00mANA

Mon 22-911:50ORD - SIN

1 stop23h 55mANA

Deal found 13-8S$ 1,056

Mon 22-906:15SIN - ORD

2 stops27h 10mANA

Mon 29-912:40ORD - SIN

1 stop29h 00mANA

Deal found 14-8S$ 1,062

Wed 3-920:00SIN - ORD

2 stops39h 43mMultiple Airlines

Sun 21-906:30ORD - SIN

2 stops27h 50mMultiple Airlines

Deal found 15-8S$ 1,074

Mon 27-1021:00SIN - ORD

2 stops32h 44mAir Canada

Thu 13-1108:45ORD - SIN

2 stops32h 15mAir Canada

Deal found 15-8S$ 1,075

Thu 28-806:15SIN - ORD

1 stop21h 40mANA

Sun 21-917:45ORD - SIN

1 stop23h 55mANA

Deal found 14-8S$ 1,076

Tue 2-922:30SIN - MDW

2 stops35h 56mDelta

Sun 28-909:20MDW - SIN

2 stops30h 40mDelta

Deal found 13-8S$ 1,249

Tue 2-922:30SIN - MDW

2 stops35h 56mDelta

Tue 16-909:35MDW - SIN

2 stops25h 05mDelta

Deal found 15-8S$ 1,252

Best flights from Singapore to Illinois
Discover carefully curated flight deals from Singapore to Illinois that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 15 August 2025.

Sat 27-909:10SIN - ORD

2 stops40h 22mAir Canada

Sat 4-1013:27ORD - SIN

2 stops52h 38mAir Canada

Deal found 13-8S$ 1,021

Tue 2-922:10SIN - ORD

1 stop30h 00mANA

Mon 22-911:50ORD - SIN

1 stop23h 55mANA

Deal found 13-8S$ 1,056

Thu 4-907:30SIN - MDW

2 stops26h 56mDelta

Sat 27-916:25MDW - SIN

2 stops47h 35mDelta

Deal found 13-8S$ 1,249

Thu 29-108:50SIN - ORD

1 stop19h 51mAir Canada

Sat 14-220:15ORD - SIN

2 stops42h 40mAir Canada

Deal found 14-8S$ 1,024

Thu 28-806:15SIN - ORD

1 stop21h 40mANA

Mon 15-911:50ORD - SIN

1 stop23h 55mANA

Deal found 14-8S$ 1,080

Tue 27-123:55SIN - ORD

2 stops52h 46mAir Canada

Thu 12-215:40ORD - SIN

1 stop25h 20mAir Canada

Deal found 12-8S$ 1,061

Tue 2-922:30SIN - MDW

2 stops35h 56mDelta

Mon 29-909:20MDW - SIN

2 stops30h 40mDelta

Deal found 13-8S$ 1,249

Mon 27-1021:00SIN - ORD

2 stops30h 41mAir Canada

Thu 13-1108:45ORD - SIN

2 stops32h 15mAir Canada

Deal found 13-8S$ 1,075

Thu 4-907:30SIN - MDW

2 stops26h 56mDelta

Mon 29-909:35MDW - SIN

2 stops30h 25mDelta

Deal found 13-8S$ 1,249

Wed 3-901:10SIN - MDW

2 stops30h 27mDelta

Sun 28-909:35MDW - SIN

2 stops30h 25mDelta

Deal found 13-8S$ 1,249

Tue 2-901:10SIN - MDW

2 stops33h 16mDelta

Sat 27-916:25MDW - SIN

2 stops47h 35mDelta

Deal found 13-8S$ 1,249

Tue 2-922:30SIN - MDW

2 stops35h 56mDelta

Sun 28-909:20MDW - SIN

2 stops30h 40mDelta

Deal found 13-8S$ 1,249

Last-minute flights from Singapore to Illinois
Discover last-minute flight deals from Singapore to Illinois. Data last updated 15 August 2025 and is based on user searches.

Sun 24-820:40SIN - ORD

1 stop21h 43mUnited Airlines

Mon 25-808:50ORD - SIN

1 stop32h 25mUnited Airlines

Deal found 13-8S$ 1,224

Sun 24-806:15SIN - ORD

2 stops31h 31mUnited Airlines

Sun 7-907:19ORD - SIN

1 stop33h 56mUnited Airlines

Deal found 14-8S$ 1,392

Sun 24-813:45SIN - ORD

2 stops28h 55mMultiple Airlines

Thu 28-816:00ORD - SIN

1 stop24h 30mMultiple Airlines

Deal found 13-8S$ 1,421

Sun 24-808:05SIN - ORD

1 stop20h 55mJapan Airlines

Sat 6-901:05ORD - SIN

1 stop27h 25mJapan Airlines

Deal found 14-8S$ 1,462

Mon 25-808:45SIN - ORD

1 stop25h 39mUnited Airlines

Mon 22-908:50ORD - SIN

1 stop32h 25mUnited Airlines

Deal found 14-8S$ 1,230

Mon 25-820:40SIN - ORD

1 stop22h 44mUnited Airlines

Wed 24-916:30ORD - SIN

1 stop24h 45mUnited Airlines

Deal found 14-8S$ 1,231

Mon 25-808:45SIN - ORD

1 stop25h 39mUnited Airlines

Tue 30-918:32ORD - SIN

1 stop22h 43mUnited Airlines

Deal found 14-8S$ 1,235

Mon 25-806:15SIN - ORD

2 stops35h 46mMultiple Airlines

Tue 26-816:00ORD - SIN

1 stop24h 30mMultiple Airlines

Deal found 13-8S$ 1,375

Mon 25-813:45SIN - ORD

2 stops28h 55mMultiple Airlines

Mon 15-916:00ORD - SIN

1 stop24h 30mMultiple Airlines

Deal found 14-8S$ 1,394

Mon 25-813:45SIN - ORD

2 stops28h 55mMultiple Airlines

Tue 23-916:00ORD - SIN

1 stop24h 30mMultiple Airlines

Deal found 14-8S$ 1,396

Mon 25-808:45SIN - ORD

1 stop25h 39mUnited Airlines

Sat 27-916:25ORD - SIN

1 stop24h 50mUnited Airlines

Deal found 14-8S$ 1,467

Mon 25-822:30SIN - MDW

2 stops36h 14mDelta

Sat 30-810:31MDW - SIN

2 stops48h 09mDelta

Deal found 13-8S$ 1,853

One-way flights from Singapore to Illinois
Search for one-way flight options from Singapore to Illinois. Find affordable one-way fares based on user searches. Data last updated 15 August 2025.

Tue 7-1009:10SIN - ORD

2 stops35h 51mAir Canada

Deal found 13-8S$ 661

Tue 20-108:30SIN - ORD

2 stops37h 45mAir Canada

Deal found 14-8S$ 679

Fri 31-1008:50SIN - ORD

2 stops36h 10mAir Canada

Deal found 13-8S$ 685

Wed 15-1019:45SIN - ORD

2 stops35h 10mIndiGo

Deal found 14-8S$ 704

Sat 27-900:20SIN - ORD

2 stops30h 54mMultiple Airlines

Deal found 15-8S$ 709

Mon 1-920:00SIN - ORD

2 stops46h 40mMultiple Airlines

Deal found 15-8S$ 713

Tue 7-1014:35SIN - ORD

3 stops42h 17mMultiple Airlines

Deal found 13-8S$ 721

Mon 15-1219:40SIN - ORD

2 stops36h 45mIndiGo

Deal found 13-8S$ 726

Sun 28-909:10SIN - ORD

1 stop20h 32mAir Canada

Deal found 15-8S$ 729

Mon 19-122:20SIN - ORD

2 stops47h 55mAir Canada

Deal found 14-8S$ 730

Fri 31-1021:30SIN - ORD

3 stops47h 00mMultiple Airlines

Deal found 13-8S$ 731

Mon 19-122:30SIN - MDW

2 stops28h 05mDelta

Deal found 14-8S$ 809

Fly from

Fly to

Route

Depart

Return

Price

SingaporeChicago

SIN - ORD

SINORD

Singapore Changi

Sat 27-9

09:10-12:32

2 stops40h 22m

Chicago O'Hare Intl

Sat 4-10

13:27-07:05

2 stops52h 38m

S$ 1,021

SingaporeChicago

SIN - ORD

SINORD

Singapore Changi

Thu 29-1

08:50-14:41

1 stop19h 51m

Chicago O'Hare Intl

Sat 14-2

20:15-04:55

2 stops42h 40m

S$ 1,024

SingaporeChicago

SIN - ORD

SINORD

Singapore Changi

Tue 2-9

22:10-15:10

1 stop30h 00m

Chicago O'Hare Intl

Mon 22-9

11:50-00:45

1 stop23h 55m

S$ 1,056

SingaporeChicago

SIN - ORD

SINORD

Singapore Changi

Tue 27-1

23:55-14:41

2 stops52h 46m

Chicago O'Hare Intl

Thu 12-2

15:40-07:00

1 stop25h 20m

S$ 1,061

SingaporeChicago

SIN - ORD

SINORD

Singapore Changi

Mon 27-10

21:00-14:41

2 stops30h 41m

Chicago O'Hare Intl

Thu 13-11

08:45-07:00

2 stops32h 15m

S$ 1,075

SingaporeChicago

SIN - ORD

SINORD

Singapore Changi

Thu 28-8

06:15-14:55

1 stop21h 40m

Chicago O'Hare Intl

Mon 15-9

11:50-00:45

1 stop23h 55m

S$ 1,080

SingaporeChicago

SIN - MDW

SINMDW

Singapore Changi

Thu 4-9

07:30-21:26

2 stops26h 56m

Chicago Midway

Sat 27-9

16:25-05:00

2 stops47h 35m

S$ 1,249

SingaporeChicago

SIN - MDW

SINMDW

Singapore Changi

Tue 2-9

22:30-21:26

2 stops35h 56m

Chicago Midway

Mon 29-9

09:20-05:00

2 stops30h 40m

S$ 1,249

SingaporeChicago

SIN - MDW

SINMDW

Singapore Changi

Thu 4-9

07:30-21:26

2 stops26h 56m

Chicago Midway

Mon 29-9

09:35-05:00

2 stops30h 25m

S$ 1,249

SingaporeChicago

SIN - MDW

SINMDW

Singapore Changi

Wed 3-9

01:10-18:37

2 stops30h 27m

Chicago Midway

Sun 28-9

09:35-05:00

2 stops30h 25m

S$ 1,249

Flights are sorted by cheapest return flights first.

Deals found on 13-8

Showing 1-10 of 28 results

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?

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.

Reviews of airlines servicing Illinois

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

8.4

Very Good

1,233 reviews

Check prices

Reviews

1 / 20

6.0

Good

Anonymous,Aug 2025

BKK - TPE

I bought tickets for myself and my friend and had to argue with the checkin person to get our seats together for the return flights I purchased the tickets together weeks ahead of time and did not expect to have to ask for a supervisor to sit together very disappointed in booking through kayak

EVA Air

8.4

Very Good

1,233 reviews

EVA Air

8.4

Very Good

1,233 reviews

Check prices

Reviews

1 / 20

6.0

Good

Anonymous,Aug 2025

BKK - TPE

ANA

8.4

Very Good

933 reviews

EVA Air

8.4

Very Good

1,233 reviews

Check prices

Reviews

1 / 20

6.0

Good

Anonymous,Aug 2025

BKK - TPE

Japan Airlines

8.3

Very Good

1,546 reviews

EVA Air

8.4

Very Good

1,233 reviews

Check prices

Reviews

1 / 20

6.0

Good

Anonymous,Aug 2025

BKK - TPE

Cathay Pacific

7.6

Good

968 reviews

EVA Air

8.4

Very Good

1,233 reviews

Check prices

Reviews

1 / 20

6.0

Good

Anonymous,Aug 2025

BKK - TPE

United Airlines

7.4

Good

8,916 reviews

EVA Air

8.4

Very Good

1,233 reviews

Check prices

Reviews

1 / 20

6.0

Good

Anonymous,Aug 2025

BKK - TPE

Related info for your journey

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.
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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Complete your trip

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Top 7 airlines flying from Singapore to Illinois

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	CheapestS$ 885	AverageS$ 1,319	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
Japan Airlines	CheapestS$ 891	AverageS$ 1,562	FlexibilityNo cancel fee	On-time79%	Search Japan Airlines flights
Cathay Pacific	CheapestS$ 1,193	AverageS$ 1,405	FlexibilityNo cancel fee	On-time72%	Search Cathay Pacific flights
Korean Air	CheapestS$ 1,230	AverageS$ 2,606	FlexibilityNo cancel fee	On-time81%	Search Korean Air flights
EVA Air	CheapestS$ 1,296	AverageS$ 1,473	FlexibilityNo cancel fee	On-time74%	Search EVA Air flights
ANA	CheapestS$ 1,376	AverageS$ 2,643	FlexibilityNo cancel fee	On-time80%	Search ANA flights
Etihad Airways	CheapestS$ 1,962	AverageS$ 2,445	FlexibilityNo cancel fee	On-time75%	Search Etihad Airways flights

Fly with Cheapflights

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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Cheapflights is completely free to use, so you can start saving the moment you arrive.

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Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

Cheap flights from Singapore to Illinois from S$ 661

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 7-10. Fares are subject to change and may not be available on all flights or dates of travel.

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 15 August 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Singapore to Illinois

Cheapest flights from Singapore to IllinoisExplore 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 15 August 2025.

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 15 August 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Singapore to Illinois that are best for you.

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.

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 15 August 2025.

Reviews of airlines servicing Illinois

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.

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?

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

How can I find direct flights from Singapore to Illinois?

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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

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?

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

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

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

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Travel Smart

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 15 August 2025.