How long is the flight from Singapore to Illinois?

Departing from Singapore to Illinois will take you 37h 10m. Airlines will cover a distance of 15039 km. This flight may include one or multiple stops. Find deals

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

To fly one-way, consider booking your trip with Air Canada, which is currently one of the cheapest options available, starting at S$ 663. United Airlines flights start at S$ 773 while deals on Delta start at S$ 818 one-way. Find deals

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.

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$ 611+ Flights from Singapore to Illinois

Cheap flight deals from Singapore to Illinois

Round-trip from	S$ 1,054
One-way from	S$ 611
Popular in	January
Cheapest in	October
Average price	S$ 1,169

Air Canada
7-11-16-11
3 total stops
48h 01m total
Singapore to Illinois

Search Deals

14-10
3 total stops
48h 25m total
Singapore to Illinois

Search Deals

Highest demand for flights based on searches. 9% potential increase in price (S$ 192 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (S$ 48 potential savings vs. average return price).

Search Deals

Average for round-trip flights in October 2025

Search Deals

Find 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 1 October 2025.

Fri 7-1108:50SIN - ORD

1 stop19h 51mAir Canada

Sun 16-1112:50ORD - SIN

2 stops28h 10mAir Canada

Deal found 29-9S$ 1,054

Mon 27-1010:45SIN - ORD

2 stops31h 31mANA

Mon 3-1116:25ORD - SIN

1 stop24h 30mANA

Deal found 29-9S$ 1,059

Tue 4-1106:35SIN - ORD

1 stop21h 15mANA

Sun 9-1116:25ORD - SIN

1 stop24h 30mANA

Deal found 30-9S$ 1,068

Tue 28-1010:45SIN - ORD

1 stop34h 35mANA

Tue 4-1116:25ORD - SIN

1 stop24h 30mANA

Deal found 30-9S$ 1,069

Wed 5-1106:35SIN - ORD

1 stop21h 15mANA

Mon 10-1116:25ORD - SIN

1 stop35h 10mANA

Deal found 30-9S$ 1,072

Mon 27-1015:55SIN - ORD

2 stops29h 40mMultiple Airlines

Mon 3-1111:50ORD - SIN

2 stops39h 30mMultiple Airlines

Deal found 29-9S$ 1,173

Tue 4-1121:00SIN - ORD

2 stops31h 41mAir Canada

Sun 9-1110:38ORD - SIN

2 stops30h 22mAir Canada

Deal found 30-9S$ 1,184

Sun 12-1009:10SIN - ORD

2 stops35h 48mAir Canada

Thu 30-1015:40ORD - SIN

1 stop26h 20mAir Canada

Deal found 30-9S$ 1,207

Thu 6-1101:35SIN - ORD

1 stop20h 55mKorean Air

Sun 16-1111:15ORD - SIN

1 stop43h 10mKorean Air

Deal found 29-9S$ 1,210

Wed 26-1110:40SIN - MDW

2 stops27h 00mDelta

Mon 8-1206:00MDW - SIN

2 stops33h 00mDelta

Deal found 29-9S$ 1,535

Fri 7-1115:45SIN - MDW

2 stops27h 30mMultiple Airlines

Sun 16-1117:25MDW - SIN

2 stops28h 40mMultiple Airlines

Deal found 29-9S$ 1,562

Sat 15-1115:45SIN - MDW

2 stops27h 30mMultiple Airlines

Sat 22-1119:00MDW - SIN

2 stops27h 05mMultiple Airlines

Deal found 30-9S$ 1,587

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 1 October 2025.

Fri 7-1108:50SIN - ORD

2 stops37h 10mAir Canada

Sun 16-1107:05ORD - SIN

2 stops33h 55mAir Canada

Deal found 29-9S$ 1,054

Mon 27-1015:55SIN - ORD

2 stops29h 40mMultiple Airlines

Mon 3-1111:45ORD - SIN

3 stops35h 15mMultiple Airlines

Deal found 29-9S$ 1,188

Wed 29-1010:00SIN - ORD

1 stop40h 55mCathay Pacific

Wed 5-1114:35ORD - SIN

1 stop35h 10mCathay Pacific

Deal found 1-10S$ 1,224

Tue 10-210:10SIN - ORD

1 stop22h 38mUnited Airlines

Fri 20-206:35ORD - SIN

1 stop23h 40mUnited Airlines

Deal found 29-9S$ 1,231

Tue 10-210:40SIN - MDW

2 stops37h 16mDelta

Fri 20-217:59MDW - SIN

2 stops40h 11mDelta

Deal found 29-9S$ 1,251

Sat 15-1121:00SIN - ORD

2 stops31h 41mAir Canada

Sat 22-1117:55ORD - SIN

2 stops47h 05mAir Canada

Deal found 30-9S$ 1,085

Sun 26-1001:25SIN - ORD

1 stop25h 30mCathay Pacific

Mon 3-1114:35ORD - SIN

1 stop25h 05mCathay Pacific

Deal found 29-9S$ 1,226

Wed 29-1022:20SIN - ORD

1 stop20h 42mUnited Airlines

Wed 5-1110:35ORD - SIN

1 stop31h 25mUnited Airlines

Deal found 1-10S$ 1,235

Sun 26-1001:35SIN - ORD

2 stops32h 49mDelta

Mon 3-1107:37ORD - SIN

2 stops26h 33mDelta

Deal found 29-9S$ 1,251

Sun 26-1001:25SIN - ORD

1 stop25h 30mCathay Pacific

Thu 13-1114:35ORD - SIN

1 stop31h 20mCathay Pacific

Deal found 29-9S$ 1,228

Fri 14-1110:10SIN - ORD

1 stop28h 49mUnited Airlines

Fri 28-1107:10ORD - SIN

1 stop23h 05mUnited Airlines

Deal found 30-9S$ 1,235

Mon 27-1021:00SIN - ORD

2 stops32h 44mAir Canada

Thu 13-1115:40ORD - SIN

1 stop25h 20mAir Canada

Deal found 29-9S$ 1,246

Sat 15-1110:10SIN - ORD

1 stop33h 52mUnited Airlines

Sat 22-1121:10ORD - SIN

1 stop33h 05mUnited Airlines

Deal found 30-9S$ 1,235

Sun 1-310:40SIN - MDW

2 stops25h 06mDelta

Thu 26-309:30MDW - SIN

2 stops30h 30mDelta

Deal found 29-9S$ 1,395

Fri 7-1115:45SIN - MDW

2 stops27h 30mMultiple Airlines

Sun 16-1117:25MDW - SIN

2 stops28h 40mMultiple Airlines

Deal found 29-9S$ 1,562

Sat 15-1115:45SIN - MDW

2 stops27h 30mMultiple Airlines

Sat 22-1119:00MDW - SIN

2 stops27h 05mMultiple Airlines

Deal found 30-9S$ 1,587

Thu 27-1110:40SIN - MDW

2 stops27h 00mDelta

Mon 8-1206:00MDW - SIN

2 stops33h 00mDelta

Deal found 29-9S$ 1,535

Wed 26-1110:40SIN - MDW

2 stops27h 00mDelta

Mon 8-1206:00MDW - SIN

2 stops33h 00mDelta

Deal found 29-9S$ 1,535

Sat 8-1110:40SIN - MDW

2 stops25h 34mDelta

Tue 11-1118:48MDW - SIN

2 stops39h 22mDelta

Deal found 29-9S$ 1,707

Thu 6-1101:35SIN - MDW

2 stops28h 39mDelta

Sun 16-1106:00MDW - SIN

2 stops28h 10mDelta

Deal found 29-9S$ 1,846

Wed 12-1101:35SIN - MDW

2 stops24h 17mDelta

Thu 20-1106:00MDW - SIN

2 stops28h 10mDelta

Deal found 29-9S$ 1,918

Last-minute flights from Singapore to Illinois
Discover last-minute flight deals from Singapore to Illinois. Data last updated 1 October 2025 and is based on user searches.

Tue 7-1020:40SIN - ORD

1 stop21h 12mUnited Airlines

Tue 14-1018:32ORD - SIN

1 stop22h 43mUnited Airlines

Deal found 30-9S$ 1,223

Tue 7-1006:15SIN - ORD

2 stops25h 37mMultiple Airlines

Tue 14-1021:13ORD - SIN

1 stop32h 12mMultiple Airlines

Deal found 30-9S$ 1,227

Tue 7-1008:45SIN - MDW

2 stops27h 40mMultiple Airlines

Tue 14-1017:56MDW - SIN

2 stops47h 19mMultiple Airlines

Deal found 30-9S$ 1,663

Sun 12-1009:10SIN - ORD

2 stops35h 48mAir Canada

Thu 30-1015:40ORD - SIN

1 stop26h 20mAir Canada

Deal found 30-9S$ 1,207

Sun 12-1000:40SIN - MDW

2 stops28h 29mKLM

Thu 16-1018:23MDW - SIN

2 stops32h 07mKLM

Deal found 29-9S$ 3,346

Mon 13-1000:40SIN - MDW

2 stops28h 29mMultiple Airlines

Wed 22-1017:04MDW - SIN

2 stops26h 21mMultiple Airlines

Deal found 29-9S$ 2,890

Tue 14-1006:15SIN - ORD

1 stop21h 40mMultiple Airlines

Wed 22-1018:32ORD - SIN

1 stop22h 43mMultiple Airlines

Deal found 29-9S$ 1,218

Wed 15-1001:50SIN - ORD

1 stop25h 35mCathay Pacific

Wed 5-1114:35ORD - SIN

1 stop31h 20mCathay Pacific

Deal found 29-9S$ 1,224

Sun 26-1001:25SIN - ORD

1 stop25h 30mCathay Pacific

Thu 13-1114:35ORD - SIN

1 stop31h 20mCathay Pacific

Deal found 29-9S$ 1,228

Mon 27-1010:45SIN - ORD

2 stops31h 31mANA

Mon 3-1116:25ORD - SIN

1 stop24h 30mANA

Deal found 29-9S$ 1,059

Mon 27-1015:55SIN - ORD

2 stops29h 40mMultiple Airlines

Mon 3-1111:50ORD - SIN

2 stops39h 30mMultiple Airlines

Deal found 29-9S$ 1,173

Tue 28-1010:45SIN - ORD

1 stop34h 35mANA

Tue 4-1116:25ORD - SIN

1 stop24h 30mANA

Deal found 30-9S$ 1,069

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 1 October 2025.

Tue 14-1021:20SIN - ORD

3 stops48h 25mMultiple Airlines

Deal found 29-9S$ 611

Wed 21-119:40SIN - ORD

2 stops36h 45mIndiGo

Deal found 29-9S$ 633

Tue 18-1108:50SIN - ORD

1 stop19h 51mAir Canada

Deal found 30-9S$ 662

Mon 17-1121:00SIN - ORD

2 stops33h 44mAir Canada

Deal found 29-9S$ 664

Tue 20-122:20SIN - ORD

2 stops35h 10mAir Canada

Deal found 29-9S$ 684

Sun 19-1000:20SIN - ORD

2 stops36h 39mMultiple Airlines

Deal found 30-9S$ 688

Tue 2-1219:40SIN - ORD

2 stops36h 45mIndiGo

Deal found 29-9S$ 757

Tue 2-1210:10SIN - ORD

3 stops34h 15mMultiple Airlines

Deal found 29-9S$ 759

Mon 20-1020:00SIN - MDW

3 stops40h 25mMultiple Airlines

Deal found 30-9S$ 760

Tue 14-1020:40SIN - ORD

1 stop33h 28mUnited Airlines

Deal found 29-9S$ 773

Tue 25-1101:35SIN - MDW

2 stops53h 04mDelta

Deal found 29-9S$ 818

Mon 1-1222:30SIN - MDW

2 stops27h 25mDelta

Deal found 29-9S$ 889

Fly from

Fly to

Route

Depart

Return

Price

SingaporeChicago

SIN - ORD

SINORD

Singapore Changi

Fri 7-11

08:50-08:00

2 stops37h 10m

Chicago O'Hare Intl

Sun 16-11

07:05-07:00

2 stops33h 55m

S$ 1,054

SingaporeChicago

SIN - ORD

SINORD

Singapore Changi

Sat 15-11

21:00-14:41

2 stops31h 41m

Chicago O'Hare Intl

Sat 22-11

17:55-07:00

2 stops47h 05m

S$ 1,085

SingaporeChicago

SIN - ORD

SINORD

Singapore Changi

Mon 27-10

15:55-08:35

2 stops29h 40m

Chicago O'Hare Intl

Mon 3-11

11:45-13:00

3 stops35h 15m

S$ 1,188

SingaporeChicago

SIN - ORD

SINORD

Singapore Changi

Wed 29-10

10:00-13:55

1 stop40h 55m

Chicago O'Hare Intl

Wed 5-11

14:35-15:45

1 stop35h 10m

S$ 1,224

SingaporeChicago

SIN - ORD

SINORD

Singapore Changi

Sun 26-10

01:25-13:55

1 stop25h 30m

Chicago O'Hare Intl

Mon 3-11

14:35-05:40

1 stop25h 05m

S$ 1,226

SingaporeChicago

SIN - ORD

SINORD

Singapore Changi

Sun 26-10

01:25-13:55

1 stop25h 30m

Chicago O'Hare Intl

Thu 13-11

14:35-11:55

1 stop31h 20m

S$ 1,228

SingaporeChicago

SIN - ORD

SINORD

Singapore Changi

Tue 10-2

10:10-18:48

1 stop22h 38m

Chicago O'Hare Intl

Fri 20-2

06:35-20:15

1 stop23h 40m

S$ 1,231

SingaporeChicago

SIN - ORD

SINORD

Singapore Changi

Wed 29-10

22:20-06:02

1 stop20h 42m

Chicago O'Hare Intl

Wed 5-11

10:35-08:00

1 stop31h 25m

S$ 1,235

SingaporeChicago

SIN - ORD

SINORD

Singapore Changi

Fri 14-11

10:10-00:59

1 stop28h 49m

Chicago O'Hare Intl

Fri 28-11

07:10-20:15

1 stop23h 05m

S$ 1,235

SingaporeChicago

SIN - ORD

SINORD

Singapore Changi

Sat 15-11

10:10-06:02

1 stop33h 52m

Chicago O'Hare Intl

Sat 22-11

21:10-20:15

1 stop33h 05m

S$ 1,235

Flights are sorted by cheapest return flights first.

Deals found on 29-9

Showing 1-10 of 39 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

1,242 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

1,242 reviews

EVA Air

8.4

Very Good

1,242 reviews

Check prices

Reviews

1 / 20

6.0

Good

Anonymous,Aug 2025

BKK - TPE

ANA

8.4

Very Good

976 reviews

EVA Air

8.4

Very Good

1,242 reviews

Check prices

Reviews

1 / 20

6.0

Good

Anonymous,Aug 2025

BKK - TPE

Japan Airlines

8.3

Very Good

1,573 reviews

EVA Air

8.4

Very Good

1,242 reviews

Check prices

Reviews

1 / 20

6.0

Good

Anonymous,Aug 2025

BKK - TPE

Cathay Pacific

7.6

Good

1,015 reviews

EVA Air

8.4

Very Good

1,242 reviews

Check prices

Reviews

1 / 20

6.0

Good

Anonymous,Aug 2025

BKK - TPE

United Airlines

7.4

Good

8,929 reviews

EVA Air

8.4

Very Good

1,242 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.
How long is the flight from Singapore to Illinois?
Departing from Singapore to Illinois will take you 37h 10m. Airlines will cover a distance of 15039 km. This flight may include one or multiple stops.
What are the cheapest airlines to fly from Singapore to Illinois one-way?
To fly one-way, consider booking your trip with Air Canada, which is currently one of the cheapest options available, starting at S$ 663. United Airlines flights start at S$ 773 while deals on Delta start at S$ 818 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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Complete your trip

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Chicago car hire

Top 7 airlines flying from Singapore to Illinois

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	CheapestS$ 890	AverageS$ 1,301	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
Japan Airlines	CheapestS$ 896	AverageS$ 1,534	FlexibilityNo cancel fee	On-time79%	Search Japan Airlines flights
ANA	CheapestS$ 1,060	AverageS$ 2,619	FlexibilityNo cancel fee	On-time80%	Search ANA flights
Cathay Pacific	CheapestS$ 1,200	AverageS$ 1,476	FlexibilityNo cancel fee	On-time72%	Search Cathay Pacific flights
Korean Air	CheapestS$ 1,237	AverageS$ 2,621	FlexibilityNo cancel fee	On-time81%	Search Korean Air flights
EVA Air	CheapestS$ 1,305	AverageS$ 1,481	FlexibilityNo cancel fee	On-time74%	Search EVA Air flights
Etihad Airways	CheapestS$ 1,973	AverageS$ 2,459	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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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$ 611

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 14-10. 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 1 October 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 1 October 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 1 October 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 1 October 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?

How long is the flight from Singapore to Illinois?

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

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 1 October 2025.