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Cheap flights from Singapore to Illinois from S$ 667

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 20-8. Fares are subject to change and may not be available on all flights or dates of travel.
SIN — ORD
13 Jun — 20 Jun1
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 14 May 2026.

Fri 18-1208:50
SIN
-
ORD
1 stop19h 51m
Air Canada
Tue 12-115:40
ORD
-
SIN
1 stop25h 20m
Air Canada
Deal found 10-5S$ 1,043
Fri 18-1208:50
SIN
-
ORD
1 stop19h 51m
Air Canada
Sat 16-117:50
ORD
-
SIN
2 stops47h 10m
Air Canada
Deal found 11-5S$ 1,047
Thu 20-807:00
SIN
-
ORD
2 stops29h 59m
Air Canada
Sun 6-907:00
ORD
-
SIN
2 stops33h 15m
Air Canada
Deal found 12-5S$ 1,050
Fri 18-1208:50
SIN
-
ORD
1 stop19h 51m
Air Canada
Mon 11-121:30
ORD
-
SIN
2 stops43h 30m
Air Canada
Deal found 10-5S$ 1,053
Thu 17-1208:50
SIN
-
ORD
2 stops28h 29m
Air Canada
Sun 3-115:40
ORD
-
SIN
1 stop25h 20m
Air Canada
Deal found 10-5S$ 1,056
Thu 20-807:00
SIN
-
ORD
2 stops29h 59m
Air Canada
Tue 8-909:50
ORD
-
SIN
2 stops30h 25m
Air Canada
Deal found 12-5S$ 1,061
Thu 17-1208:50
SIN
-
ORD
2 stops28h 29m
Air Canada
Mon 11-116:00
ORD
-
SIN
2 stops49h 00m
Air Canada
Deal found 10-5S$ 1,066
Thu 20-807:00
SIN
-
ORD
2 stops28h 46m
Air Canada
Sat 12-908:50
ORD
-
SIN
2 stops31h 10m
Air Canada
Deal found 12-5S$ 1,069
Thu 20-807:00
SIN
-
ORD
2 stops28h 46m
Air Canada
Mon 7-908:45
ORD
-
SIN
2 stops27h 00m
Air Canada
Deal found 12-5S$ 1,070
Wed 14-1007:30
SIN
-
MDW
2 stops27h 15m
Delta
Mon 19-1017:25
MDW
-
SIN
2 stops36h 50m
Delta
Deal found 13-5S$ 1,224
Thu 17-1210:40
SIN
-
MDW
2 stops36h 09m
Delta
Mon 11-117:25
MDW
-
SIN
2 stops40h 45m
Delta
Deal found 10-5S$ 1,569
Wed 19-813:45
SIN
-
MDW
2 stops29h 00m
Multiple Airlines
Wed 9-917:25
MDW
-
SIN
2 stops30h 10m
Multiple Airlines
Deal found 12-5S$ 1,632

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 14 May 2026.

Round-trip from

S$ 1,050

One-way from

S$ 667

Popular in

January

Cheapest in

February

Average price

S$ 1,354
Air Canada
  • Air Canada
  • 20-8-6-9
  • 4 total stops
  • 63h 14m total
  • Singapore to Illinois
Search Deals
Air Canada
  • Air Canada
  • 20-8
  • 2 total stops
  • 29h 59m total
  • Singapore to Illinois
Search Deals
Highest demand for flights based on searches. 2% potential increase in price (S$ 38 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (S$ 56 potential savings vs. average return price).
Search Deals
Average for round-trip flights in May 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 14 May 2026.
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
Fastest return journey

SingaporeChicago

SIN - ORD

SINORD

Singapore Changi

Thu 22-10

01:25-09:30

1 stop21h 05m

Chicago O'Hare Intl

Sun 25-10

12:15-05:00

1 stop27h 45m

S$ 1,221

SingaporeChicago

SIN - ORD

SINORD

Singapore Changi

Wed 28-10

10:40-10:07

2 stops36h 27m

Chicago O'Hare Intl

Thu 12-11

07:05-05:00

2 stops31h 55m

S$ 1,224

SingaporeChicago

SIN - ORD

SINORD

Singapore Changi

Thu 5-11

10:40-08:30

1 stop35h 50m

Chicago O'Hare Intl

Mon 9-11

11:15-20:25

1 stop43h 10m

S$ 1,228

SingaporeChicago

SIN - ORD

SINORD

Singapore Changi

Sat 22-8

21:15-07:45

2 stops23h 30m

Chicago O'Hare Intl

Tue 22-9

10:15-09:05

2 stops33h 50m

S$ 1,463

SingaporeChicago

SIN - ORD

SINORD

Singapore Changi

Wed 19-8

21:15-07:45

2 stops23h 30m

Chicago O'Hare Intl

Sat 26-9

10:15-12:55

2 stops37h 40m

S$ 1,547

SingaporeChicago

SIN - ORD

SINORD

Singapore Changi

Tue 16-6

07:30-23:39

2 stops29h 09m

Chicago O'Hare Intl

Tue 30-6

17:57-23:55

2 stops40h 58m

S$ 1,562

SingaporeChicago

SIN - ORD

SINORD

Singapore Changi

Fri 21-8

15:35-07:45

2 stops29h 10m

Chicago O'Hare Intl

Tue 22-9

10:15-09:05

2 stops33h 50m

S$ 1,574

SingaporeChicago

SIN - ORD

SINORD

Singapore Changi

Wed 10-6

01:30-16:50

1 stop28h 20m

Chicago O'Hare Intl

Wed 17-6

16:33-08:50

2 stops27h 17m

S$ 1,710

SingaporeChicago

SIN - ORD

SINORD

Singapore Changi

Sat 13-6

01:30-16:50

1 stop28h 20m

Chicago O'Hare Intl

Fri 19-6

13:44-08:50

2 stops30h 06m

S$ 1,742

SingaporeChicago

SIN - ORD

SINORD

Singapore Changi

Thu 20-8

08:05-07:45

1 stop36h 40m

Chicago O'Hare Intl

Sun 17-1

17:40-06:35

1 stop22h 55m

S$ 1,751

Flights are sorted by cheapest return flights first.

Deals found on 13-5

Showing 1-10 of 38 resultsSorted by cheapest first
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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, October is the cheapest month in which you can book a flight from Singapore to Illinois (average of S$ 845). Flying from Singapore to Illinois in May is currently the most expensive (average of S$ 1,195). 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.

How much does it cost for a return flight from Singapore to Illinois?

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 May 2026.
See what other customers who have flown with EVA Air,Japan Airlines, andUnited 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
1,446 reviews
Check prices

Comfort

8.3

Boarding

8.4

Food

8.1

Entertainment

8.0

Crew

8.6

Overall

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

TPE - SFO

Why when we’re about to board they suddenly announced the letters ABC to board first .. so what is the use us waiting at the door (with wheelchairs) ended up almost at the end to board and I can see people walking boarding first? Is this something new? You go by letters now?
EVA Air
8.5
Very Good
1,446 reviews
EVA Air
8.5
Very Good
1,446 reviews
Check prices

Comfort

8.3

Boarding

8.4

Food

8.1

Entertainment

8.0

Crew

8.6

Overall

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

TPE - SFO

Why when we’re about to board they suddenly announced the letters ABC to board first .. so what is the use us waiting at the door (with wheelchairs) ended up almost at the end to board and I can see people walking boarding first? Is this something new? You go by letters now?
Japan Airlines
8.3
Very Good
1,825 reviews
EVA Air
8.5
Very Good
1,446 reviews
Check prices

Comfort

8.3

Boarding

8.4

Food

8.1

Entertainment

8.0

Crew

8.6

Overall

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

TPE - SFO

Why when we’re about to board they suddenly announced the letters ABC to board first .. so what is the use us waiting at the door (with wheelchairs) ended up almost at the end to board and I can see people walking boarding first? Is this something new? You go by letters now?
United Airlines
7.4
Good
9,715 reviews
EVA Air
8.5
Very Good
1,446 reviews
Check prices

Comfort

8.3

Boarding

8.4

Food

8.1

Entertainment

8.0

Crew

8.6

Overall

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

TPE - SFO

Why when we’re about to board they suddenly announced the letters ABC to board first .. so what is the use us waiting at the door (with wheelchairs) ended up almost at the end to board and I can see people walking boarding first? Is this something new? You go by letters now?

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 05m. Airlines will cover a distance of 15039 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, October is the cheapest month in which you can book a flight from Singapore to Illinois (average of S$ 845). Flying from Singapore to Illinois in May is currently the most expensive (average of S$ 1,195). 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 3 airlines flying from Singapore to Illinois

Discover the top 3 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 May 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestS$ 878AverageS$ 1,370FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Japan AirlinesCheapestS$ 884AverageS$ 1,481FlexibilityNo cancel feeOn-time79%
Search Japan Airlines flights
EVA AirCheapestS$ 1,319AverageS$ 1,691FlexibilityNo 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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