Illinois

$544+ 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 5/16. Fares are subject to change and may not be available on all flights or dates of travel.
SIN — ORD
Mar 8 — Mar 151
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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 February 6, 2026.

This United Airlines deal was found by Cheapflights users on 2/5. 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.
Tue 2/1710:10 am
SIN
-
ORD
1 stop33h 02m
United Airlines
Wed 2/189:01 am
ORD
-
SIN
1 stop32h 59m
United Airlines
Deal found 2/5$942
This United Airlines deal was found by Cheapflights users on 2/5. 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 3/2310:20 pm
SIN
-
ORD
1 stop20h 57m
United Airlines
Mon 3/307:40 pm
ORD
-
SIN
1 stop33h 55m
United Airlines
Deal found 2/5$948
This United Airlines deal was found by Cheapflights users on 2/3. 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.
Tue 2/1710:10 am
SIN
-
ORD
1 stop42h 35m
United Airlines
Fri 2/206:25 am
ORD
-
SIN
1 stop23h 50m
United Airlines
Deal found 2/3$949
This United Airlines deal was found by Cheapflights users on 2/3. 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 6/288:35 pm
SIN
-
ORD
1 stop23h 41m
United Airlines
Wed 8/58:40 am
ORD
-
SIN
1 stop32h 35m
United Airlines
Deal found 2/3$950
This United Airlines deal was found by Cheapflights users on 2/4. 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.
Tue 2/1010:10 am
SIN
-
ORD
1 stop27h 04m
United Airlines
Fri 2/206:25 am
ORD
-
SIN
1 stop23h 50m
United Airlines
Deal found 2/4$951
This United Airlines deal was found by Cheapflights users on 2/5. 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 2/610:10 am
SIN
-
ORD
1 stop22h 38m
United Airlines
Thu 2/196:25 am
ORD
-
SIN
1 stop23h 50m
United Airlines
Deal found 2/5$952
This United Airlines deal was found by Cheapflights users on 2/3. 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 3/610:10 am
SIN
-
ORD
1 stop25h 26m
United Airlines
Sat 3/149:15 pm
ORD
-
SIN
1 stop34h 00m
United Airlines
Deal found 2/3$960
This Gotogate deal was found by Cheapflights users on 2/6. 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.
Mon 3/2311:40 am
SIN
-
ORD
1 stop36h 25m
Turkish Airlines
Mon 3/308:10 pm
ORD
-
SIN
1 stop24h 20m
Turkish Airlines
Deal found 2/6$965
This Gotogate deal was found by Cheapflights users on 2/6. 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 2/2011:40 am
SIN
-
ORD
1 stop36h 25m
Turkish Airlines
Mon 2/238:20 pm
ORD
-
SIN
1 stop23h 40m
Turkish Airlines
Deal found 2/6$990
This Kiwi.com deal was found by Cheapflights users on 2/4. 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.
Thu 3/511:15 am
SIN
-
ORD
2 stops34h 20m
Multiple Airlines
Wed 3/112:30 pm
ORD
-
SIN
1 stop29h 50m
Multiple Airlines
Deal found 2/4$993
This China Airlines deal was found by Cheapflights users on 2/5. 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 China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/71:45 pm
SIN
-
MDW
2 stops28h 55m
Multiple Airlines
Thu 5/146:10 pm
MDW
-
SIN
2 stops29h 25m
Multiple Airlines
Deal found 2/5$1,065
This China Airlines deal was found by Cheapflights users on 2/4. 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 China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/182:25 pm
SIN
-
MDW
2 stops28h 15m
Multiple Airlines
Tue 3/3110:55 am
MDW
-
SIN
2 stops36h 40m
Multiple Airlines
Deal found 2/4$1,129

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 February 6, 2026.

Round-trip from

$944
(United Airlines)

One-way from

$544
(Kiwi.com)

Popular in

January

Cheapest in

September

Average price

$943
From Singapore Changi to Illinois
One-way flight from Singapore Changi to Illinois
Highest demand for flights based on searches. 3% potential increase in price ($44 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease ($16 potential savings vs. average RT price).
Average for round-trip flights in February 2026

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 February 6, 2026.
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 2/17

10:10 am-5:12 am

1 stop33h 02m

Chicago O'Hare Intl

Wed 2/18

9:01 am-8:00 am

1 stop32h 59m

$942

SingaporeChicago

SIN - ORD

SINORD

Singapore Changi

Mon 3/23

10:20 pm-6:17 am

1 stop20h 57m

Chicago O'Hare Intl

Mon 3/30

7:40 pm-6:35 pm

1 stop33h 55m

$948

SingaporeChicago

SIN - ORD

SINORD

Singapore Changi

Tue 2/17

10:10 am-2:45 pm

1 stop42h 35m

Chicago O'Hare Intl

Fri 2/20

6:25 am-8:15 pm

1 stop23h 50m

$949

SingaporeChicago

SIN - ORD

SINORD

Singapore Changi

Sun 6/28

8:35 pm-7:16 am

1 stop23h 41m

Chicago O'Hare Intl

Mon 8/3

6:10 am-6:35 pm

1 stop23h 25m

$950

SingaporeChicago

SIN - ORD

SINORD

Singapore Changi

Wed 3/4

10:20 pm-1:06 pm

1 stop28h 46m

Chicago O'Hare Intl

Wed 3/11

6:17 am-8:15 pm

1 stop24h 58m

$950

SingaporeChicago

SIN - ORD

SINORD

Singapore Changi

Thu 7/2

8:45 am-10:59 pm

1 stop27h 14m

Chicago O'Hare Intl

Tue 8/4

6:10 am-6:35 pm

1 stop23h 25m

$950

SingaporeChicago

SIN - ORD

SINORD

Singapore Changi

Wed 3/18

10:20 pm-1:06 pm

1 stop27h 46m

Chicago O'Hare Intl

Tue 3/31

3:45 pm-6:45 am

1 stop26h 00m

$950

SingaporeChicago

SIN - ORD

SINORD

Singapore Changi

Sun 6/28

8:35 pm-7:16 am

1 stop23h 41m

Chicago O'Hare Intl

Sat 8/1

9:33 pm-6:35 pm

1 stop32h 02m

$950

SingaporeChicago

SIN - ORD

SINORD

Singapore Changi

Thu 7/2

8:45 am-9:35 pm

1 stop25h 50m

Chicago O'Hare Intl

Wed 8/5

12:46 pm-6:15 am

1 stop28h 29m

$950

SingaporeChicago

SIN - ORD

SINORD

Singapore Changi

Fri 3/6

10:10 am-9:36 pm

1 stop25h 26m

Chicago O'Hare Intl

Sat 3/14

9:15 pm-8:15 pm

1 stop34h 00m

$960

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/5

Showing 1-10 of 41 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 $1,147). 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 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 February 6, 2026.
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.

Food

7.3

Boarding

7.9

Overall

7.6

Crew

8.1

Comfort

7.6

Entertainment

7.8

Reviews

1 / 20
4.0
Okay

Anonymous,Jan 2026

HKG - CTS

I went to sleep without dinner, woke up about 4 hours before landing. I asked for breakfast, waited for an hour, nothing, I asked again, still nothing after 15 minutes. I then asked for coffee, when the coffee came after half an hour, it was cold. Crew manager apologised.

Food

7.3

Boarding

7.9

Overall

7.6

Crew

8.1

Comfort

7.6

Entertainment

7.8

Reviews

1 / 20
4.0
Okay

Anonymous,Jan 2026

HKG - CTS

I went to sleep without dinner, woke up about 4 hours before landing. I asked for breakfast, waited for an hour, nothing, I asked again, still nothing after 15 minutes. I then asked for coffee, when the coffee came after half an hour, it was cold. Crew manager apologised.

Food

7.3

Boarding

7.9

Overall

7.6

Crew

8.1

Comfort

7.6

Entertainment

7.8

Reviews

1 / 20
4.0
Okay

Anonymous,Jan 2026

HKG - CTS

I went to sleep without dinner, woke up about 4 hours before landing. I asked for breakfast, waited for an hour, nothing, I asked again, still nothing after 15 minutes. I then asked for coffee, when the coffee came after half an hour, it was cold. Crew manager apologised.

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 and American Airlines fly from Singapore to Illinois in about 28h 47m. The time it takes to get you to your destination can typically vary by up to 4h 15m. Airlines will cover a distance of 9427 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.

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

  • 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 $1,147). 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

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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.

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 February 6, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$802Average$1,040FlexibilityNo cancel feeOn-time69%

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