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Cheap flights from Singapore to Illinois from S$ 656

SIN — ORD
11 Dec — 18 Dec1
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

Thu 19-1108:40 -
1 stop25h 19m
Sun 29-1108:45 -
2 stops32h 10m
Deal found 9-11S$ 1,066
Wed 25-1110:30 -
2 stops39h 18m
Mon 1-319:59 -
2 stops43h 01m
Deal found 11-11S$ 1,086
Thu 12-1108:40 -
2 stops46h 30m
Fri 27-1108:49 -
1 stop32h 11m
Deal found 7-11S$ 1,114
Tue 17-1108:40 -
1 stop25h 19m
Mon 23-1121:21 -
2 stops43h 34m
Deal found 10-11S$ 1,139
Sun 8-1116:25 -
2 stops41h 34m
Sat 14-1110:15 -
2 stops54h 40m
Deal found 7-11S$ 1,176
Tue 17-1123:25 -
2 stops34h 34m
Mon 23-1121:21 -
2 stops43h 34m
Deal found 10-11S$ 1,204
Tue 17-1119:25 -
1 stop26h 10m
Mon 23-1113:15 -
1 stop30h 30m
Deal found 10-11S$ 1,213

Find flight deals from Singapore to Illinois

Round-trip from

S$ 1,059

One-way from

S$ 656

Popular in

August

Cheapest in

October

Average price

S$ 1,221
Korean Air
  • Korean Air
  • 6-2-20-2
  • 2 total stops
  • 51h 50m total
  • Singapore to Illinois
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Air Canada
  • Air Canada
  • 20-11-31-12
  • 1 total stop
  • 25h 19m total
  • Singapore to Illinois
Search Deals
Highest demand for flights based on searches. 16% potential increase in price (S$ 378 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 8% potential price decrease (S$ 146 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2026
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Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

SingaporeChicago

SIN Singapore Changi - ORD Chicago O'Hare Intl

SINORD

Singapore Changi

Fri 20-11

08:40-19:59

1 stop25h 19m

Chicago O'Hare Intl

Wed 31-12

00:00-13:30

Nonstop0h 00m

S$ 656
Fastest return journey

SingaporeChicago

SIN Singapore Changi - ORD Chicago O'Hare Intl

SINORD

Singapore Changi

Fri 29-1

01:40-08:30

1 stop20h 50m

Chicago O'Hare Intl

Wed 31-12

00:00-13:30

Nonstop0h 00m

S$ 723

SingaporeChicago

SIN Singapore Changi - ORD Chicago O'Hare Intl

SINORD

Singapore Changi

Fri 19-3

10:30-09:30

1 stop36h 00m

Chicago O'Hare Intl

Wed 31-12

00:00-13:30

Nonstop0h 00m

S$ 724

SingaporeChicago

SIN Singapore Changi - ORD Chicago O'Hare Intl

SINORD

Singapore Changi

Thu 18-3

01:40-23:46

2 stops35h 06m

Chicago O'Hare Intl

Wed 31-12

00:00-13:30

Nonstop0h 00m

S$ 798

SingaporeChicago

SIN Singapore Changi - ORD Chicago O'Hare Intl

SINORD

Singapore Changi

Thu 17-12

12:55-12:30

1 stop37h 35m

Chicago O'Hare Intl

Wed 31-12

00:00-13:30

Nonstop0h 00m

S$ 882

SingaporeChicago

SIN Singapore Changi - ORD Chicago O'Hare Intl

SINORD

Singapore Changi

Thu 10-12

12:55-12:30

1 stop37h 35m

Chicago O'Hare Intl

Wed 31-12

00:00-13:30

Nonstop0h 00m

S$ 882

SingaporeChicago

SIN Singapore Changi - ORD Chicago O'Hare Intl

SINORD

Singapore Changi

Mon 14-12

20:20-12:30

1 stop30h 10m

Chicago O'Hare Intl

Wed 31-12

00:00-13:30

Nonstop0h 00m

S$ 883

SingaporeChicago

SIN Singapore Changi - ORD Chicago O'Hare Intl

SINORD

Singapore Changi

Tue 15-12

22:20-13:01

1 stop28h 41m

Chicago O'Hare Intl

Wed 31-12

00:00-13:30

Nonstop0h 00m

S$ 887

SingaporeChicago

SIN Singapore Changi - ORD Chicago O'Hare Intl

SINORD

Singapore Changi

Tue 22-12

22:20-19:01

1 stop34h 41m

Chicago O'Hare Intl

Wed 31-12

00:00-13:30

Nonstop0h 00m

S$ 888

SingaporeChicago

SIN Singapore Changi - ORD Chicago O'Hare Intl

SINORD

Singapore Changi

Wed 24-2

22:30-08:30

1 stop24h 00m

Chicago O'Hare Intl

Wed 17-3

12:10-21:55

1 stop44h 45m

S$ 1,085

Flights are sorted by cheapest return flights first.

Deals found on 6-11

Showing 1-10 of 18 resultsSorted by cheapest first
1
2

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

Cheapflights Insights

Everything you need to know about your flight from Singapore to Illinois

No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Illinois

See what other customers who have flown with EVA Air,Korean Air, 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
8.5
Very Good
1,552 reviews
Check prices

Entertainment

8.0

Food

8.1

Comfort

8.3

Overall

8.5

Crew

8.7

Boarding

8.4

Reviews

1 / 20
10.0
Excellent

Padma,Aug 2026

TPE - SFO

Great but could not allow me to do online booking
EVA Air
8.5
Very Good
1,552 reviews
EVA Air
8.5
Very Good
1,552 reviews
Check prices

Entertainment

8.0

Food

8.1

Comfort

8.3

Overall

8.5

Crew

8.7

Boarding

8.4

Reviews

1 / 20
10.0
Excellent

Padma,Aug 2026

TPE - SFO

Great but could not allow me to do online booking
Korean Air
8.4
Very Good
1,218 reviews
EVA Air
8.5
Very Good
1,552 reviews
Check prices

Entertainment

8.0

Food

8.1

Comfort

8.3

Overall

8.5

Crew

8.7

Boarding

8.4

Reviews

1 / 20
10.0
Excellent

Padma,Aug 2026

TPE - SFO

Great but could not allow me to do online booking
Japan Airlines
8.3
Very Good
1,976 reviews
EVA Air
8.5
Very Good
1,552 reviews
Check prices

Entertainment

8.0

Food

8.1

Comfort

8.3

Overall

8.5

Crew

8.7

Boarding

8.4

Reviews

1 / 20
10.0
Excellent

Padma,Aug 2026

TPE - SFO

Great but could not allow me to do online booking
United Airlines
7.3
Good
10,478 reviews
EVA Air
8.5
Very Good
1,552 reviews
Check prices

Entertainment

8.0

Food

8.1

Comfort

8.3

Overall

8.5

Crew

8.7

Boarding

8.4

Reviews

1 / 20
10.0
Excellent

Padma,Aug 2026

TPE - SFO

Great but could not allow me to do online booking

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 24h. Airlines will cover a distance of 15039 km.

  • 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

Top 2 airlines flying from Singapore to Illinois

AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestS$ 1,213AverageS$ 1,522FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
EVA AirCheapestS$ 1,492AverageS$ 1,700FlexibilityNo cancel feeOn-time74%
Search EVA Air flights

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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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