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$474+ Cheap flights from Singapore (SIN) to Illinois

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 10/9. Fares are subject to change and may not be available on all flights or dates of travel.
SIN — ORD
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
1 adult, Economy
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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 September 16, 2025.

Round-trip from

$820
(Priceline)

One-way from

$474
(Kiwi.com)

Popular in

January

Cheapest in

October

Average price

$973
From Singapore Changi to Illinois
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One-way flight from Singapore Changi to Illinois
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Highest demand for flights based on searches. 9% potential increase in price ($114 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($29 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Singapore to Illinois

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 September 16, 2025.

This Priceline deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/59:10 amSIN - ORD
2 stops35h 51mAir Canada
Sun 10/193:45 pmORD - SIN
1 stop26h 20mAir Canada
Deal found 9/13$820
This Air Canada deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/129:10 amSIN - ORD
2 stops35h 48mAir Canada
Sun 10/198:40 amORD - SIN
2 stops33h 25mAir Canada
Deal found 9/14$827
This Air Canada deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/189:10 amSIN - ORD
1 stop23h 54mAir Canada
Sat 10/259:12 pmORD - SIN
2 stops44h 48mAir Canada
Deal found 9/14$828
This Gotogate deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/196:15 amSIN - ORD
1 stop21h 40mANA
Fri 9/265:45 pmORD - SIN
1 stop23h 55mANA
Deal found 9/14$830
This Priceline deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/289:10 amSIN - ORD
2 stops35h 51mAir Canada
Sun 10/198:51 amORD - SIN
1 stop33h 14mAir Canada
Deal found 9/15$844
This Air Canada deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/119:10 amSIN - ORD
2 stops40h 22mAir Canada
Sun 10/268:45 amORD - SIN
2 stops33h 15mAir Canada
Deal found 9/16$845
This Ovago deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/136:15 amSIN - ORD
1 stop39h 25mANA
Mon 10/2012:40 pmORD - SIN
1 stop29h 00mANA
Deal found 9/14$847
This Booking.com deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/2810:10 pmSIN - ORD
1 stop29h 45mANA
Sun 10/195:45 pmORD - SIN
1 stop42h 00mANA
Deal found 9/15$855
This Gotogate deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/510:10 pmSIN - ORD
1 stop30h 00mANA
Sun 10/195:45 pmORD - SIN
1 stop42h 00mANA
Deal found 9/15$858
This Delta deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/510:30 pmSIN - MDW
2 stops36h 44mDelta
Sun 10/199:20 amMDW - SIN
2 stops30h 40mDelta
Deal found 9/15$977
This Delta deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2910:30 pmSIN - MDW
2 stops32h 55mDelta
Wed 11/56:00 amMDW - SIN
2 stops28h 10mDelta
Deal found 9/14$1,086
This Japan Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Japan Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/78:15 amSIN - PIA
2 stops24h 44mJapan Airlines
Tue 11/116:00 amPIA - SIN
2 stops34h 35mJapan Airlines
Deal found 9/14$1,137

Cheapflights Fare Finder

 
Customize 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 2,558,603 searches. Data last updated September 16, 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

Wed 12/17

10:20 pm-5:00 am

1 stop20h 40m

Chicago O'Hare Intl

Mon 1/12

6:47 am-8:15 pm

1 stop23h 28m

$962

SingaporeChicago

SIN - ORD

SINORD

Singapore Changi

Wed 10/8

8:40 pm-11:46 am

1 stop28h 06m

Chicago O'Hare Intl

Wed 10/29

4:17 pm-7:00 am

1 stop25h 43m

$962

SingaporeChicago

SIN - ORD

SINORD

Singapore Changi

Mon 12/15

10:20 pm-5:00 am

1 stop20h 40m

Chicago O'Hare Intl

Wed 1/7

6:47 am-8:15 pm

1 stop23h 28m

$962

SingaporeChicago

SIN - ORD

SINORD

Singapore Changi

Wed 12/17

10:10 am-7:44 pm

1 stop23h 34m

Chicago O'Hare Intl

Tue 1/13

6:47 am-8:15 pm

1 stop23h 28m

$962

SingaporeChicago

SIN - ORD

SINORD

Singapore Changi

Sun 10/19

8:40 pm-5:25 am

1 stop21h 45m

Chicago O'Hare Intl

Sun 10/26

7:10 am-8:15 pm

1 stop24h 05m

$962

SingaporeChicago

SIN - ORD

SINORD

Singapore Changi

Sun 12/14

10:20 pm-5:00 am

1 stop20h 40m

Chicago O'Hare Intl

Tue 1/13

6:47 am-8:15 pm

1 stop23h 28m

$962

SingaporeChicago

SIN - ORD

SINORD

Singapore Changi

Sun 12/14

10:20 pm-5:00 am

1 stop20h 40m

Chicago O'Hare Intl

Mon 1/12

6:29 pm-8:00 am

1 stop23h 31m

$962

SingaporeChicago

SIN - ORD

SINORD

Singapore Changi

Sat 12/13

10:10 am-11:10 pm

1 stop27h 00m

Chicago O'Hare Intl

Mon 1/5

6:15 am-8:15 pm

1 stop24h 00m

$970

SingaporeChicago

SIN - ORD

SINORD

Singapore Changi

Wed 10/22

1:10 am-9:30 am

1 stop21h 20m

Chicago O'Hare Intl

Thu 10/30

12:15 pm-8:25 pm

1 stop43h 10m

$975

SingaporeChicago

SIN - MDW

SINMDW

Singapore Changi

Tue 2/10

10:40 am-9:56 am

2 stops37h 16m

Chicago Midway

Fri 2/20

5:59 pm-12:10 am

2 stops40h 11m

$977

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/16

Showing 1-10 of 44 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 round-trip 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, August is the cheapest month in which you can book a flight from Singapore to Illinois (average of $245). Flying from Singapore to Illinois in March is currently the most expensive (average of $321). 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 September 16, 2025.

When flying from Singapore to Illinois, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 September 16, 2025.
Read reviews from past customers who have flown EVA Air, Cathay Pacific, and United Airlines from Singapore to Illinois. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
EVA Air
8.4
Very good
1,236 reviews

Comfort

8.3

Overall

8.4

Boarding

8.4

Entertainment

8.0

Food

8.1

Crew

8.6

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
1,236 reviews
EVA Air
8.4
Very good
1,236 reviews

Comfort

8.3

Overall

8.4

Boarding

8.4

Entertainment

8.0

Food

8.1

Crew

8.6

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
Cathay Pacific
7.6
Good
993 reviews
EVA Air
8.4
Very good
1,236 reviews

Comfort

8.3

Overall

8.4

Boarding

8.4

Entertainment

8.0

Food

8.1

Crew

8.6

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
United Airlines
7.4
Good
8,924 reviews
EVA Air
8.4
Very good
1,236 reviews

Comfort

8.3

Overall

8.4

Boarding

8.4

Entertainment

8.0

Food

8.1

Crew

8.6

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

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?

    For a flight from Singapore to Illinois, you will be flying from Changi. Singapore Changi (SIN) is just 10.5 mi from the center of the city.

  • How long is the flight from Singapore to Illinois?

    Airlines like United Airlines, Delta, and Japan Airlines fly from Singapore to Illinois in about 20h 40m. The time it takes to get you to your destination can typically vary by up to 16h 36m. Airlines will cover a distance of 9345 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the most popular routes from Singapore to Illinois?

    The most popular flight routes from Singapore to Illinois are Singapore Changi - Chicago O'Hare Intl, Singapore Changi - Chicago Midway and Singapore Changi - Moline Quad-City.

  • 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 vacation 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, August is the cheapest month in which you can book a flight from Singapore to Illinois (average of $245). Flying from Singapore to Illinois in March is currently the most expensive (average of $321). 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

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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 2 airlines flying from Singapore to Illinois

Discover the top 2 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 2,558,603 searches. Data last updated September 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$802Average$1,000FlexibilityNo cancel feeOn-time69%
Cathay PacificCheapest$871Average$975FlexibilityNo cancel feeOn-time72%

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