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Illinois

$500+ Cheap flights from Singapore 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 1/30. Fares are subject to change and may not be available on all flights or dates of travel.
SIN — ORD
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheap 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 December 18, 2025.

This United Airlines deal was found by Cheapflights users on 12/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/2810:10 amSIN - ORD
1 stop39h 15mUnited Airlines
Sun 1/117:58 pmORD - SIN
1 stop34h 17mUnited Airlines
Deal found 12/15$936
This oojo deal was found by Cheapflights users on 12/15. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/281:15 pmSIN - ORD
2 stops31h 14mEVA Air
Sun 1/116:06 pmORD - SIN
2 stops30h 24mEVA Air
Deal found 12/15$1,065
This FlightHub deal was found by Cheapflights users on 12/16. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/257:40 amSIN - ORD
1 stop19h 15mCathay Pacific
Wed 12/312:35 pmORD - SIN
1 stop32h 30mCathay Pacific
Deal found 12/16$1,246
This Delta deal was found by Cheapflights users on 12/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/2510:40 amSIN - ORD
2 stops36h 07mDelta
Wed 12/316:00 amORD - SIN
2 stops33h 00mDelta
Deal found 12/16$1,561
This Kiwi.com deal was found by Cheapflights users on 12/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/288:00 pmSIN - ORD
2 stops29h 30mMultiple Airlines
Sun 1/118:00 amORD - SIN
3 stops30h 55mMultiple Airlines
Deal found 12/15$2,132
This KAYAK deal was found by Cheapflights users on 12/16. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1810:25 amSIN - ORD
1 stop37h 40mTurkish Airlines
Sat 1/311:50 amORD - SIN
1 stop30h 55mTurkish Airlines
Deal found 12/16$5,308
This KAYAK deal was found by Cheapflights users on 12/16. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1810:05 pmSIN - ORD
2 stops35h 32mFinnair
Sat 1/31:16 pmORD - SIN
2 stops39h 24mFinnair
Deal found 12/16$7,916
This Japan Airlines deal was found by Cheapflights users on 12/16. 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 Japan Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/172:20 amSIN - ORD
1 stop19h 10mJapan Airlines
Sat 1/39:04 pmORD - SIN
2 stops37h 46mJapan Airlines
Deal found 12/16$8,014
This KLM deal was found by Cheapflights users on 12/16. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/171:40 amSIN - MDW
2 stops28h 51mMultiple Airlines
Sat 1/36:08 pmMDW - SIN
2 stops32h 47mMultiple Airlines
Deal found 12/16$12,904

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 December 18, 2025.

Round-trip from

$875
(Korean Air)

One-way from

$500
(Kiwi.com)

Popular in

January

Cheapest in

October

Average price

$1,250
From Singapore to Illinois
Search Deals
One-way flight from Singapore to Illinois
Search Deals
Highest demand for flights based on searches. 15% potential increase in price ($206 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($59 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 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 December 18, 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

Fri 3/20

10:30 pm-9:40 am

1 stop24h 10m

Chicago O'Hare Intl

Wed 3/25

12:25 pm-5:00 am

1 stop27h 35m

$858

SingaporeChicago

SIN - ORD

SINORD

Singapore Changi

Sun 3/22

1:35 am-9:40 am

1 stop21h 05m

Chicago O'Hare Intl

Thu 4/2

12:20 pm-7:55 pm

1 stop42h 35m

$875

SingaporeChicago

SIN - ORD

SINORD

Singapore Changi

Sun 2/1

10:20 pm-4:57 pm

1 stop32h 37m

Chicago O'Hare Intl

Sun 2/8

6:29 pm-8:00 am

1 stop23h 31m

$935

SingaporeChicago

SIN - ORD

SINORD

Singapore Changi

Tue 6/2

8:40 pm-9:27 pm

1 stop37h 47m

Chicago O'Hare Intl

Wed 6/17

6:02 am-6:35 pm

1 stop23h 33m

$936

SingaporeChicago

SIN - ORD

SINORD

Singapore Changi

Sat 1/31

10:45 am-6:48 pm

1 stop22h 03m

Chicago O'Hare Intl

Sat 2/7

7:58 pm-8:15 pm

1 stop34h 17m

$936

SingaporeChicago

SIN - ORD

SINORD

Singapore Changi

Mon 6/1

8:40 pm-8:17 pm

1 stop36h 37m

Chicago O'Hare Intl

Tue 6/16

9:39 pm-6:35 pm

1 stop31h 56m

$936

SingaporeChicago

SIN - ORD

SINORD

Singapore Changi

Wed 1/21

10:10 am-4:57 pm

1 stop20h 47m

Chicago O'Hare Intl

Sat 1/24

7:58 pm-8:15 pm

1 stop34h 17m

$936

SingaporeChicago

SIN - ORD

SINORD

Singapore Changi

Wed 1/14

10:20 pm-6:25 am

1 stop22h 05m

Chicago O'Hare Intl

Wed 1/21

7:58 pm-8:15 pm

1 stop34h 17m

$936

SingaporeChicago

SIN - ORD

SINORD

Singapore Changi

Thu 2/26

10:10 am-6:41 pm

1 stop22h 31m

Chicago O'Hare Intl

Sun 3/1

6:25 am-8:00 am

1 stop35h 35m

$936

SingaporeChicago

SIN - ORD

SINORD

Singapore Changi

Fri 3/20

11:15 am-7:25 pm

2 stops45h 10m

Chicago O'Hare Intl

Wed 3/25

2:30 pm-7:00 am

1 stop27h 30m

$943

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

Showing 1-10 of 47 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 January is currently the most expensive (average of $1,031). 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 SG 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 December 18, 2025.

A simple way to save on the total cost of your ticket is to fly from Singapore to Illinois at noon. If you’re flexible enough to do this you can expect to save up to 29% on your trip compared to booking a flight in the morning.

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 December 18, 2025.
Get a feel of what it's like to fly with Cathay Pacific and United Airlines from Singapore to Illinois by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Cathay Pacific
7.6
Good
1,095 reviews

Food

7.3

Boarding

7.9

Entertainment

7.8

Crew

8.1

Overall

7.6

Comfort

7.6

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
1,095 reviews
Cathay Pacific
7.6
Good
1,095 reviews

Food

7.3

Boarding

7.9

Entertainment

7.8

Crew

8.1

Overall

7.6

Comfort

7.6

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
9,093 reviews
Cathay Pacific
7.6
Good
1,095 reviews

Food

7.3

Boarding

7.9

Entertainment

7.8

Crew

8.1

Overall

7.6

Comfort

7.6

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.

  • How long is the flight from Singapore to Illinois?

    Airlines like Korean Air, United Airlines, and Delta fly from Singapore to Illinois in about 24h 10m. The time it takes to get you to your destination can typically vary by up to 12h 49m. 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 $428 on Japan Airlines. Other airlines that offer cheap prices include EVA Air from $442 and United Airlines from $577 one-way.

  • 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 January is currently the most expensive (average of $1,031). 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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