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$502+ 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 1/25. Fares are subject to change and may not be available on all flights or dates of travel.
SIN — ORD
Dec 3 — Dec 101
Wed 12/3
Wed 12/10
1 adult, Economy
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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 November 3, 2025.

This Orbitz deal was found by Cheapflights users on 11/2. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/2611:10 pmSIN - ORD
2 stops36h 42mAir Canada
Wed 12/33:40 pmORD - SIN
1 stop25h 20mAir Canada
Deal found 11/2$921
This United Airlines deal was found by Cheapflights users on 11/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/710:20 pmSIN - ORD
1 stop20h 40mUnited Airlines
Thu 11/137:35 pmORD - SIN
1 stop34h 40mUnited Airlines
Deal found 11/2$929
This United Airlines deal was found by Cheapflights users on 11/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/1310:20 pmSIN - ORD
1 stop21h 42mUnited Airlines
Mon 1/510:10 pmORD - SIN
1 stop32h 05mUnited Airlines
Deal found 11/1$938
This Gotogate deal was found by Cheapflights users on 11/2. 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.
Thu 11/61:25 amSIN - ORD
1 stop25h 30mCathay Pacific
Thu 11/132:35 pmORD - SIN
1 stop31h 20mCathay Pacific
Deal found 11/2$951
This oojo deal was found by Cheapflights users on 11/2. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/251:25 amSIN - ORD
1 stop25h 30mCathay Pacific
Wed 12/32:35 pmORD - SIN
1 stop35h 10mCathay Pacific
Deal found 11/2$963
This oojo deal was found by Cheapflights users on 11/2. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/1310:25 amSIN - ORD
1 stop37h 40mTurkish Airlines
Mon 1/511:50 amORD - SIN
1 stop32h 10mTurkish Airlines
Deal found 11/2$1,053
This Mytrip deal was found by Cheapflights users on 11/2. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/2610:30 amSIN - ORD
3 stops35h 05mMultiple Airlines
Wed 12/311:50 amORD - SIN
2 stops39h 30mMultiple Airlines
Deal found 11/2$1,131
This oojo deal was found by Cheapflights users on 11/1. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/136:00 pmSIN - ORD
2 stops26h 01mCathay Pacific
Mon 1/52:35 pmORD - SIN
1 stop25h 05mCathay Pacific
Deal found 11/1$1,151
This United Airlines deal was found by Cheapflights users on 11/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2210:10 amSIN - ORD
1 stop33h 48mUnited Airlines
Mon 12/2910:00 pmORD - SIN
2 stops32h 15mUnited Airlines
Deal found 11/2$1,156
This FlightHub deal was found by Cheapflights users on 11/2. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/138:20 amSIN - ORD
2 stops41h 10mAir India
Mon 1/51:30 pmORD - SIN
1 stop27h 30mAir India
Deal found 11/2$1,159
This American Airlines deal was found by Cheapflights users on 11/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/78:15 amSIN - MLI
2 stops44h 47mAmerican Airlines
Tue 11/113:37 pmMLI - SIN
2 stops48h 58mAmerican Airlines
Deal found 11/1$1,198
This EVA Air deal was found by Cheapflights users on 11/2. 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 EVA Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/73:45 pmSIN - MDW
2 stops27h 30mMultiple Airlines
Thu 11/135:25 pmMDW - SIN
2 stops28h 40mMultiple Airlines
Deal found 11/2$1,205

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 November 3, 2025.

Round-trip from

$921
(Orbitz)

One-way from

$510
(Mytrip)

Popular in

January

Cheapest in

October

Average price

$965
From Singapore Changi to Illinois
Search Deals
One-way flight from Singapore Changi to Illinois
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($138 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($35 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
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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 November 3, 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 2/10

10:10 am-6:48 pm

1 stop22h 38m

Chicago O'Hare Intl

Fri 2/20

2:35 pm-8:00 am

1 stop27h 25m

$927

SingaporeChicago

SIN - ORD

SINORD

Singapore Changi

Fri 4/17

8:40 pm-6:27 am

1 stop22h 47m

Chicago O'Hare Intl

Sat 5/2

8:00 pm-6:25 pm

1 stop33h 25m

$928

SingaporeChicago

SIN - ORD

SINORD

Singapore Changi

Thu 4/16

9:00 am-8:25 pm

1 stop24h 25m

Chicago O'Hare Intl

Mon 4/20

6:25 am-6:25 pm

1 stop23h 00m

$928

SingaporeChicago

SIN - ORD

SINORD

Singapore Changi

Sun 1/25

10:20 pm-5:44 am

1 stop21h 24m

Chicago O'Hare Intl

Fri 1/30

7:58 pm-8:15 pm

1 stop34h 17m

$929

SingaporeChicago

SIN - ORD

SINORD

Singapore Changi

Sat 12/13

10:20 pm-6:02 am

1 stop21h 42m

Chicago O'Hare Intl

Mon 1/5

10:10 pm-8:15 pm

1 stop32h 05m

$938

SingaporeChicago

SIN - ORD

SINORD

Singapore Changi

Wed 4/15

1:10 am-9:40 am

1 stop21h 30m

Chicago O'Hare Intl

Mon 4/20

12:20 pm-5:00 am

1 stop27h 40m

$950

SingaporeChicago

SIN - ORD

SINORD

Singapore Changi

Fri 4/17

7:30 am-11:50 pm

2 stops29h 20m

Chicago O'Hare Intl

Sat 5/2

6:00 am-5:00 am

2 stops34h 00m

$952

SingaporeChicago

SIN - ORD

SINORD

Singapore Changi

Sat 4/18

7:30 am-11:50 pm

2 stops29h 20m

Chicago O'Hare Intl

Sun 5/3

8:55 am-11:40 pm

2 stops25h 45m

$952

SingaporeChicago

SIN - ORD

SINORD

Singapore Changi

Mon 2/9

1:25 am-12:55 pm

1 stop25h 30m

Chicago O'Hare Intl

Fri 2/20

2:35 pm-4:50 pm

1 stop36h 15m

$971

SingaporeChicago

SIN - MDW

SINMDW

Singapore Changi

Wed 4/15

1:10 am-8:38 am

2 stops44h 28m

Chicago Midway

Mon 4/20

9:20 am-7:55 pm

2 stops45h 35m

$1,086

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/2

Showing 1-10 of 40 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, June is the cheapest month in which you can book a flight from Singapore to Illinois (average of $695). Flying from Singapore to Illinois in May is currently the most expensive (average of $1,148). 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 November 3, 2025.

It’s optimal to fly from Singapore to Illinois at noon. By choosing this option you can save up to 29% on the cost of your flight, compared to a flight in the morning.

How much does it cost to fly round-trip 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 November 3, 2025.
Read reviews from past customers who have flown 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.
Cathay Pacific
7.6
Good
1,045 reviews

Food

7.3

Crew

8.1

Overall

7.6

Comfort

7.6

Entertainment

7.8

Boarding

7.9

Reviews

1 / 20
6.0
Good

Anonymous,Sep 2025

PNH - HKG

Everything was good except the typhoon that cause cancelation of my return flight with i had not got any compensation for
Cathay Pacific
7.6
Good
1,045 reviews
Cathay Pacific
7.6
Good
1,045 reviews

Food

7.3

Crew

8.1

Overall

7.6

Comfort

7.6

Entertainment

7.8

Boarding

7.9

Reviews

1 / 20
6.0
Good

Anonymous,Sep 2025

PNH - HKG

Everything was good except the typhoon that cause cancelation of my return flight with i had not got any compensation for
United Airlines
7.4
Good
8,993 reviews
Cathay Pacific
7.6
Good
1,045 reviews

Food

7.3

Crew

8.1

Overall

7.6

Comfort

7.6

Entertainment

7.8

Boarding

7.9

Reviews

1 / 20
6.0
Good

Anonymous,Sep 2025

PNH - HKG

Everything was good except the typhoon that cause cancelation of my return flight with i had not got any compensation for

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 Air Canada, United Airlines, and Delta fly from Singapore to Illinois in about 22h 38m. The time it takes to get you to your destination can typically vary by up to 21h 50m. 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 cheapest airlines to fly from Singapore to Illinois one-way?

    One-way options have recently been found by users for as low as $548 on Etihad Airways. Other airlines that offer cheap prices include United Airlines from $575 and Delta from $633 one-way.

  • 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, June is the cheapest month in which you can book a flight from Singapore to Illinois (average of $695). Flying from Singapore to Illinois in May is currently the most expensive (average of $1,148). 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 airline flying from Singapore to Illinois

Discover the top airline 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 November 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$802Average$1,000FlexibilityNo cancel feeOn-time69%

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