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Cheap flights from Singapore to Illinois from S$ 622

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 8-5. Fares are subject to change and may not be available on all flights or dates of travel.
SIN — ORD
15 Mar — 22 Mar1
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 13 February 2026.

Thu 24-907:30
SIN
-
ORD
1 stop39h 00m
Korean Air
Sun 27-912:10
ORD
-
SIN
1 stop27h 50m
Korean Air
Deal found 9-2S$ 1,182
Tue 17-210:10
SIN
-
ORD
1 stop33h 02m
United Airlines
Wed 18-209:01
ORD
-
SIN
1 stop32h 59m
United Airlines
Deal found 8-2S$ 1,192
Thu 26-322:20
SIN
-
ORD
1 stop36h 16m
United Airlines
Thu 2-406:25
ORD
-
SIN
1 stop23h 10m
United Airlines
Deal found 9-2S$ 1,200
Fri 13-210:10
SIN
-
ORD
1 stop20h 52m
United Airlines
Thu 26-206:25
ORD
-
SIN
1 stop23h 50m
United Airlines
Deal found 12-2S$ 1,202
Sun 22-322:20
SIN
-
ORD
1 stop20h 59m
United Airlines
Mon 6-416:40
ORD
-
SIN
1 stop25h 05m
United Airlines
Deal found 11-2S$ 1,204
Wed 25-210:10
SIN
-
ORD
1 stop23h 45m
United Airlines
Sat 28-220:20
ORD
-
SIN
1 stop33h 55m
United Airlines
Deal found 11-2S$ 1,205
Thu 24-907:30
SIN
-
ORD
2 stops29h 27m
Delta
Sun 27-908:55
ORD
-
SIN
2 stops25h 45m
Delta
Deal found 9-2S$ 1,216
Fri 8-507:30
SIN
-
ORD
2 stops25h 55m
Delta
Wed 5-815:35
ORD
-
SIN
2 stops39h 20m
Delta
Deal found 10-2S$ 1,219
Wed 1-411:00
SIN
-
ORD
2 stops34h 35m
Multiple Airlines
Thu 16-406:20
ORD
-
SIN
2 stops34h 10m
Multiple Airlines
Deal found 10-2S$ 1,259
Sun 10-513:45
SIN
-
MDW
2 stops28h 55m
Multiple Airlines
Mon 11-511:00
MDW
-
SIN
2 stops36h 35m
Multiple Airlines
Deal found 11-2S$ 1,353
Wed 10-613:45
SIN
-
MDW
2 stops28h 55m
Multiple Airlines
Mon 15-618:00
MDW
-
SIN
2 stops29h 35m
Multiple Airlines
Deal found 12-2S$ 1,630
Tue 17-314:25
SIN
-
MDW
2 stops28h 30m
Multiple Airlines
Tue 24-310:55
MDW
-
SIN
2 stops37h 10m
Multiple Airlines
Deal found 10-2S$ 1,677

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 13 February 2026.

Round-trip from

S$ 1,199

One-way from

S$ 622

Popular in

January

Cheapest in

February

Average price

S$ 977
United Airlines
  • United Airlines
  • 10-5-11-5
  • 2 total stops
  • 67h 34m total
  • Singapore to Illinois
Search Deals
8-5
  • 8-5
  • 1 total stop
  • 24h 10m total
  • Singapore to Illinois
Search Deals
Highest demand for flights based on searches. 3% potential increase in price (S$ 60 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (S$ 55 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 2026
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 13 February 2026.
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 10-5

20:35-20:19

1 stop36h 44m

Chicago O'Hare Intl

Mon 11-5

22:45-18:35

1 stop30h 50m

S$ 1,199

SingaporeChicago

SIN - ORD

SINORD

Singapore Changi

Wed 1-4

20:35-06:20

1 stop22h 45m

Chicago O'Hare Intl

Thu 16-4

19:40-18:35

1 stop33h 55m

S$ 1,200

SingaporeChicago

SIN - ORD

SINORD

Singapore Changi

Tue 17-3

10:10-23:38

1 stop26h 28m

Chicago O'Hare Intl

Tue 24-3

18:20-07:00

1 stop23h 40m

S$ 1,201

SingaporeChicago

SIN - ORD

SINORD

Singapore Changi

Fri 8-5

09:00-21:38

1 stop25h 38m

Chicago O'Hare Intl

Wed 5-8

16:30-06:15

1 stop24h 45m

S$ 1,201

SingaporeChicago

SIN - ORD

SINORD

Singapore Changi

Sun 22-3

22:20-06:19

1 stop20h 59m

Chicago O'Hare Intl

Mon 6-4

16:40-06:45

1 stop25h 05m

S$ 1,204

SingaporeChicago

SIN - ORD

SINORD

Singapore Changi

Fri 8-5

07:30-20:25

2 stops25h 55m

Chicago O'Hare Intl

Wed 5-8

15:35-19:55

2 stops39h 20m

S$ 1,219

SingaporeChicago

SIN - ORD

SINORD

Singapore Changi

Tue 17-3

15:45-20:35

1 stop41h 50m

Chicago O'Hare Intl

Tue 24-3

08:00-12:05

2 stops39h 05m

S$ 1,327

SingaporeChicago

SIN - MDW

SINMDW

Singapore Changi

Sun 10-5

13:45-05:40

2 stops28h 55m

Chicago Midway

Mon 11-5

11:00-12:35

2 stops36h 35m

S$ 1,353

SingaporeChicago

SIN - ORD

SINORD

Singapore Changi

Wed 15-7

11:05-23:15

2 stops25h 10m

Chicago O'Hare Intl

Thu 23-7

11:50-00:45

1 stop23h 55m

S$ 1,397

SingaporeChicago

SIN - ORD

SINORD

Singapore Changi

Mon 30-3

11:10-09:40

1 stop35h 30m

Chicago O'Hare Intl

Mon 6-4

20:10-09:30

1 stop24h 20m

S$ 1,414

Flights are sorted by cheapest return flights first.

Deals found on 10-2

Showing 1-10 of 38 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$ 877). Flying from Singapore to Illinois in January is currently the most expensive (average of S$ 1,514). 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.

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 13 February 2026.
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
1,353 reviews
Check prices

Food

8.1

Entertainment

8.0

Boarding

8.4

Crew

8.6

Overall

8.4

Comfort

8.3

Reviews

1 / 20
6.0
Good

Hannah,Jan 2026

TPE - SFO

I like the flight attendants the most. The are very helpful.
EVA Air
8.4
Very Good
1,353 reviews
EVA Air
8.4
Very Good
1,353 reviews
Check prices

Food

8.1

Entertainment

8.0

Boarding

8.4

Crew

8.6

Overall

8.4

Comfort

8.3

Reviews

1 / 20
6.0
Good

Hannah,Jan 2026

TPE - SFO

I like the flight attendants the most. The are very helpful.
ANA
8.4
Very Good
1,092 reviews
EVA Air
8.4
Very Good
1,353 reviews
Check prices

Food

8.1

Entertainment

8.0

Boarding

8.4

Crew

8.6

Overall

8.4

Comfort

8.3

Reviews

1 / 20
6.0
Good

Hannah,Jan 2026

TPE - SFO

I like the flight attendants the most. The are very helpful.
Japan Airlines
8.3
Very Good
1,704 reviews
EVA Air
8.4
Very Good
1,353 reviews
Check prices

Food

8.1

Entertainment

8.0

Boarding

8.4

Crew

8.6

Overall

8.4

Comfort

8.3

Reviews

1 / 20
6.0
Good

Hannah,Jan 2026

TPE - SFO

I like the flight attendants the most. The are very helpful.
Cathay Pacific
7.6
Good
1,162 reviews
EVA Air
8.4
Very Good
1,353 reviews
Check prices

Food

8.1

Entertainment

8.0

Boarding

8.4

Crew

8.6

Overall

8.4

Comfort

8.3

Reviews

1 / 20
6.0
Good

Hannah,Jan 2026

TPE - SFO

I like the flight attendants the most. The are very helpful.
United Airlines
7.4
Good
9,283 reviews
EVA Air
8.4
Very Good
1,353 reviews
Check prices

Food

8.1

Entertainment

8.0

Boarding

8.4

Crew

8.6

Overall

8.4

Comfort

8.3

Reviews

1 / 20
6.0
Good

Hannah,Jan 2026

TPE - SFO

I like the flight attendants the most. The are very helpful.

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 28h 01m. Airlines will cover a distance of 15063 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$ 877). Flying from Singapore to Illinois in January is currently the most expensive (average of S$ 1,514). 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

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.
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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 13 February 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestS$ 870AverageS$ 1,305FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Japan AirlinesCheapestS$ 876AverageS$ 1,514FlexibilityNo cancel feeOn-time79%
Search Japan Airlines flights
ANACheapestS$ 1,037AverageS$ 2,918FlexibilityNo cancel feeOn-time80%
Search ANA flights
EVA AirCheapestS$ 1,304AverageS$ 1,473FlexibilityNo 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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