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Cheap flights from Singapore to Illinois from S$ 679

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 23-2. Fares are subject to change and may not be available on all flights or dates of travel.
SIN — ORD
14 Dec — 21 Dec1
1 adult
1 adult, Economy, 0 bags

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 14 November 2025.

Tue 25-1108:50SIN - ORD
1 stop19h 51mAir Canada
Mon 8-1215:35ORD - SIN
2 stops49h 25mAir Canada
Deal found 11-11S$ 1,259
Tue 25-1120:15SIN - ORD
1 stop30h 40mCathay Pacific
Mon 8-1214:35ORD - SIN
1 stop31h 20mCathay Pacific
Deal found 11-11S$ 1,363
Tue 23-1208:50SIN - ORD
1 stop19h 51mAir Canada
Tue 30-1215:40ORD - SIN
1 stop25h 20mAir Canada
Deal found 12-11S$ 1,367
Sat 13-1210:10SIN - ORD
1 stop24h 57mUnited Airlines
Mon 5-106:15ORD - SIN
1 stop24h 00mUnited Airlines
Deal found 12-11S$ 1,414
Tue 30-1210:10SIN - ORD
1 stop33h 17mUnited Airlines
Thu 15-106:47ORD - SIN
1 stop23h 28mUnited Airlines
Deal found 13-11S$ 1,492
Sun 21-1210:10SIN - ORD
1 stop25h 22mUnited Airlines
Sun 4-121:40ORD - SIN
2 stops32h 35mUnited Airlines
Deal found 12-11S$ 1,493
Thu 18-1201:10SIN - ORD
2 stops42h 55mMultiple Airlines
Sun 4-113:30ORD - SIN
1 stop27h 30mMultiple Airlines
Deal found 12-11S$ 1,539
Sat 27-1210:10SIN - ORD
1 stop40h 15mUnited Airlines
Sat 3-119:50ORD - SIN
2 stops34h 25mUnited Airlines
Deal found 12-11S$ 1,543
Mon 24-1100:55SIN - ORD
3 stops43h 30mMultiple Airlines
Mon 8-1211:50ORD - SIN
1 stop39h 45mMultiple Airlines
Deal found 11-11S$ 1,552
Tue 30-1210:40SIN - MDW
2 stops38h 26mDelta
Fri 16-117:31MDW - SIN
2 stops40h 39mDelta
Deal found 13-11S$ 2,341
Sat 27-1215:45SIN - MDW
2 stops27h 30mMultiple Airlines
Sat 3-119:00MDW - SIN
2 stops27h 05mMultiple Airlines
Deal found 12-11S$ 2,479
Mon 22-1201:40SIN - MDW
2 stops28h 40mMultiple Airlines
Tue 30-1218:08MDW - SIN
2 stops32h 47mMultiple Airlines
Deal found 13-11S$ 2,796

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 14 November 2025.

Round-trip from

S$ 1,207

One-way from

S$ 679

Popular in

January

Cheapest in

October

Average price

S$ 1,255
United Airlines
  • United Airlines
  • 10-2-20-2
  • 2 total stops
  • 46h 27m total
  • Singapore to Illinois
Search Deals
23-2
  • 23-2
  • 3 total stops
  • 39h 28m total
  • Singapore to Illinois
Search Deals
Highest demand for flights based on searches. 13% potential increase in price (S$ 286 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (S$ 70 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 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 14 November 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

Tue 10-2

10:10-19:51

1 stop23h 41m

Chicago O'Hare Intl

Fri 20-2

06:25-20:15

1 stop23h 50m

S$ 1,207

SingaporeChicago

SIN - ORD

SINORD

Singapore Changi

Thu 16-4

09:00-21:38

1 stop25h 38m

Chicago O'Hare Intl

Mon 20-4

06:25-18:25

1 stop23h 00m

S$ 1,207

SingaporeChicago

SIN - ORD

SINORD

Singapore Changi

Mon 9-2

01:25-12:55

1 stop25h 30m

Chicago O'Hare Intl

Fri 20-2

14:35-05:40

1 stop25h 05m

S$ 1,329

SingaporeChicago

SIN - ORD

SINORD

Singapore Changi

Mon 27-4

01:10-09:40

1 stop21h 30m

Chicago O'Hare Intl

Wed 13-5

07:30-23:40

2 stops27h 10m

S$ 1,370

SingaporeChicago

SIN - MDW

SINMDW

Singapore Changi

Wed 15-4

01:10-08:38

2 stops44h 28m

Chicago Midway

Mon 20-4

09:20-19:55

2 stops45h 35m

S$ 1,411

SingaporeChicago

SIN - ORD

SINORD

Singapore Changi

Sat 13-12

10:10-21:07

1 stop24h 57m

Chicago O'Hare Intl

Mon 5-1

06:15-20:15

1 stop24h 00m

S$ 1,414

SingaporeChicago

SIN - ORD

SINORD

Singapore Changi

Sun 21-12

22:20-05:27

1 stop21h 07m

Chicago O'Hare Intl

Sun 4-1

21:40-20:15

2 stops32h 35m

S$ 1,492

SingaporeChicago

SIN - ORD

SINORD

Singapore Changi

Tue 28-4

03:15-15:05

1 stop24h 50m

Chicago O'Hare Intl

Thu 14-5

17:10-08:50

2 stops26h 40m

S$ 1,602

SingaporeChicago

SIN - ORD

SINORD

Singapore Changi

Thu 16-4

15:10-05:54

2 stops27h 44m

Chicago O'Hare Intl

Sun 19-4

00:30-13:50

1 stop24h 20m

S$ 1,617

SingaporeChicago

SIN - MDW

SINMDW

Singapore Changi

Tue 10-2

10:40-12:48

2 stops40h 08m

Chicago Midway

Fri 20-2

06:00-05:00

2 stops33h 00m

S$ 1,769

Flights are sorted by cheapest return flights first.

Deals found on 12-11

Showing 1-10 of 30 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$ 904). Flying from Singapore to Illinois in May is currently the most expensive (average of S$ 1,573). 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 14 November 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 14 November 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
8.4
Very Good
1,276 reviews
Check prices

Food

8.1

Overall

8.4

Boarding

8.4

Comfort

8.3

Crew

8.6

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Oct 2025

TPE - YYZ

All was well. Despite the flight being delayed a few minutes, passengers were made sure to be informed and updated on the status of the delay.
EVA Air
8.4
Very Good
1,276 reviews
EVA Air
8.4
Very Good
1,276 reviews
Check prices

Food

8.1

Overall

8.4

Boarding

8.4

Comfort

8.3

Crew

8.6

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Oct 2025

TPE - YYZ

All was well. Despite the flight being delayed a few minutes, passengers were made sure to be informed and updated on the status of the delay.
ANA
8.4
Very Good
1,004 reviews
EVA Air
8.4
Very Good
1,276 reviews
Check prices

Food

8.1

Overall

8.4

Boarding

8.4

Comfort

8.3

Crew

8.6

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Oct 2025

TPE - YYZ

All was well. Despite the flight being delayed a few minutes, passengers were made sure to be informed and updated on the status of the delay.
Japan Airlines
8.3
Very Good
1,614 reviews
EVA Air
8.4
Very Good
1,276 reviews
Check prices

Food

8.1

Overall

8.4

Boarding

8.4

Comfort

8.3

Crew

8.6

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Oct 2025

TPE - YYZ

All was well. Despite the flight being delayed a few minutes, passengers were made sure to be informed and updated on the status of the delay.
Cathay Pacific
7.6
Good
1,058 reviews
EVA Air
8.4
Very Good
1,276 reviews
Check prices

Food

8.1

Overall

8.4

Boarding

8.4

Comfort

8.3

Crew

8.6

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Oct 2025

TPE - YYZ

All was well. Despite the flight being delayed a few minutes, passengers were made sure to be informed and updated on the status of the delay.
United Airlines
7.4
Good
9,017 reviews
EVA Air
8.4
Very Good
1,276 reviews
Check prices

Food

8.1

Overall

8.4

Boarding

8.4

Comfort

8.3

Crew

8.6

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Oct 2025

TPE - YYZ

All was well. Despite the flight being delayed a few minutes, passengers were made sure to be informed and updated on the status of the delay.

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 21h 30m. 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 Etihad Airways, which is currently one of the cheapest options available, starting at S$ 688. United Airlines flights start at S$ 747 while deals on Korean Air start at S$ 1,553 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.

  • 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$ 904). Flying from Singapore to Illinois in May is currently the most expensive (average of S$ 1,573). 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 14 November 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestS$ 897AverageS$ 1,312FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Japan AirlinesCheapestS$ 903AverageS$ 1,514FlexibilityNo cancel feeOn-time79%
Search Japan Airlines flights
ANACheapestS$ 1,069AverageS$ 2,641FlexibilityNo cancel feeOn-time80%
Search ANA flights
EVA AirCheapestS$ 1,316AverageS$ 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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