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$506+ 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 5/12. Fares are subject to change and may not be available on all flights or dates of travel.
SIN — ORD
Apr 2 — Apr 91
Wed 4/2
Wed 4/9
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 March 28, 2025.

Round-trip from

$909
(StudentUniverse)

One-way from

$506
(Kiwi.com)

Popular in

August

Cheapest in

February

Average price

$1,035
From Singapore Changi to Illinois
Search Deals
One-way flight from Singapore Changi to Illinois
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($113 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($26 potential savings vs. average RT price).
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Average for round-trip flights in March 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 March 28, 2025.

This StudentUniverse deal was found by Cheapflights users on 3/27. 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 StudentUniverse is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/810:30 pmSIN - ORD
1 stop24h 10mKorean Air
Tue 4/1512:20 pmORD - SIN
1 stop27h 40mKorean Air
Deal found 3/27$909
This Air Canada deal was found by Cheapflights users on 3/27. 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.
Mon 10/279:00 pmSIN - ORD
2 stops32h 38mAir Canada
Thu 11/137:20 amORD - SIN
2 stops34h 35mAir Canada
Deal found 3/27$916
This United Airlines deal was found by Cheapflights users on 3/27. 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.
Thu 4/38:40 pmSIN - ORD
1 stop21h 32mUnited Airlines
Wed 4/166:30 amORD - SIN
1 stop22h 55mUnited Airlines
Deal found 3/27$926
This FlightHub deal was found by Cheapflights users on 3/28. 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.
Mon 6/231:50 amSIN - ORD
1 stop25h 35mCathay Pacific
Wed 7/234:00 pmORD - SIN
1 stop24h 30mCathay Pacific
Deal found 3/28$951
This EVA Air deal was found by Cheapflights users on 3/27. 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 - ORD
2 stops27h 19mMultiple Airlines
Thu 11/276:50 pmORD - SIN
2 stops27h 15mMultiple Airlines
Deal found 3/27$1,002
This Delta deal was found by Cheapflights users on 3/27. 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 10/261:30 amSIN - ORD
1 stop21h 00mDelta
Thu 11/136:20 amORD - SIN
2 stops32h 40mDelta
Deal found 3/27$1,058
This Delta deal was found by Cheapflights users on 3/27. 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 4/37:30 amSIN - MDW
2 stops39h 26mDelta
Wed 4/169:20 amMDW - SIN
2 stops30h 40mDelta
Deal found 3/27$1,093
This Ovago deal was found by Cheapflights users on 3/27. 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 5/1211:30 pmSIN - ORD
1 stop26h 15mSWISS
Mon 5/195:50 pmORD - SIN
1 stop24h 05mSWISS
Deal found 3/27$1,113
This oojo deal was found by Cheapflights users on 3/27. 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 4/83:10 pmSIN - ORD
2 stops38h 55mEVA Air
Mon 4/1412:30 amORD - SIN
1 stop24h 20mEVA Air
Deal found 3/27$1,178
This Booking.com deal was found by Cheapflights users on 3/27. 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.
Sat 8/27:45 pmSIN - ORD
2 stops35h 10mIndiGo
Sat 8/911:45 pmORD - SIN
2 stops28h 35mIndiGo
Deal found 3/27$1,192
This oojo deal was found by Cheapflights users on 3/27. 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 5/113:10 amSIN - ORD
2 stops31h 44mQatar Airways
Mon 5/197:20 pmORD - SIN
2 stops33h 10mQatar Airways
Deal found 3/27$1,322
This KAYAK deal was found by Cheapflights users on 3/28. 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.
Tue 6/248:05 amSIN - ORD
1 stop20h 55mJapan Airlines
Tue 7/221:30 amORD - SIN
1 stop39h 40mJapan Airlines
Deal found 3/28$1,362

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 March 28, 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 4/8

10:30 pm-9:40 am

1 stop24h 10m

Chicago O'Hare Intl

Tue 4/15

12:20 pm-5:00 am

1 stop27h 40m

$909

SingaporeChicago

SIN - ORD

SINORD

Singapore Changi

Tue 6/24

9:10 am-2:49 pm

1 stop42h 39m

Chicago O'Hare Intl

Wed 7/23

8:03 pm-7:05 am

2 stops46h 02m

$923

SingaporeChicago

SIN - ORD

SINORD

Singapore Changi

Sun 5/11

8:40 pm-1:16 am

1 stop41h 36m

Chicago O'Hare Intl

Sun 5/18

6:30 am-6:25 pm

1 stop22h 55m

$926

SingaporeChicago

SIN - ORD

SINORD

Singapore Changi

Mon 6/23

1:50 am-2:25 pm

1 stop25h 35m

Chicago O'Hare Intl

Wed 7/23

4:00 pm-5:30 am

1 stop24h 30m

$951

SingaporeChicago

SIN - ORD

SINORD

Singapore Changi

Sun 5/11

9:10 am-6:42 am

2 stops34h 32m

Chicago O'Hare Intl

Sun 5/18

8:37 am-7:05 am

2 stops33h 28m

$1,006

SingaporeChicago

SIN - ORD

SINORD

Singapore Changi

Mon 5/12

11:30 pm-12:45 pm

1 stop26h 15m

Chicago O'Hare Intl

Mon 5/19

5:50 pm-6:55 am

1 stop24h 05m

$1,113

SingaporeChicago

SIN - ORD

SINORD

Singapore Changi

Tue 4/8

3:10 pm-5:05 pm

2 stops38h 55m

Chicago O'Hare Intl

Mon 4/14

12:30 am-1:50 pm

1 stop24h 20m

$1,178

SingaporeChicago

SIN - ORD

SINORD

Singapore Changi

Sat 8/2

7:45 pm-5:55 pm

2 stops35h 10m

Chicago O'Hare Intl

Sat 8/9

11:45 pm-5:20 pm

2 stops28h 35m

$1,192

SingaporeChicago

SIN - ORD

SINORD

Singapore Changi

Sun 5/11

3:10 am-9:54 pm

2 stops31h 44m

Chicago O'Hare Intl

Mon 5/19

7:20 pm-5:30 pm

2 stops33h 10m

$1,322

SingaporeChicago

SIN - ORD

SINORD

Singapore Changi

Tue 6/24

8:05 am-4:00 pm

1 stop20h 55m

Chicago O'Hare Intl

Tue 7/22

1:30 am-6:10 am

1 stop39h 40m

$1,362

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/28

Showing 1-10 of 35 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 $323). 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 March 28, 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.

Rainfall in Illinois by month

Plan your trip to Illinois by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Illinois ranges from 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Illinois when rainfall is around 1.7 in.

Temperature in Illinois by month

Plan your trip to Illinois by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Illinois, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

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 March 28, 2025.
See what other customers who have flown with EVA Air, Korean Air and Japan Airlines from Singapore to Illinois have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
EVA Air
8.4
Very good
1,169 reviews

Crew

8.6

Boarding

8.4

Overall

8.4

Food

8.1

Comfort

8.3

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Piotr,Feb 2025

TPE - ORD

It is always a pleasure to travel with EVA Air.
EVA Air
8.4
Very good
1,169 reviews
EVA Air
8.4
Very good
1,169 reviews

Crew

8.6

Boarding

8.4

Overall

8.4

Food

8.1

Comfort

8.3

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Piotr,Feb 2025

TPE - ORD

It is always a pleasure to travel with EVA Air.
Korean Air
8.4
Very good
1,050 reviews
EVA Air
8.4
Very good
1,169 reviews

Crew

8.6

Boarding

8.4

Overall

8.4

Food

8.1

Comfort

8.3

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Piotr,Feb 2025

TPE - ORD

It is always a pleasure to travel with EVA Air.
Japan Airlines
8.3
Very good
1,440 reviews
EVA Air
8.4
Very good
1,169 reviews

Crew

8.6

Boarding

8.4

Overall

8.4

Food

8.1

Comfort

8.3

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Piotr,Feb 2025

TPE - ORD

It is always a pleasure to travel with EVA Air.
Emirates
8.0
Very good
3,190 reviews
EVA Air
8.4
Very good
1,169 reviews

Crew

8.6

Boarding

8.4

Overall

8.4

Food

8.1

Comfort

8.3

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Piotr,Feb 2025

TPE - ORD

It is always a pleasure to travel with EVA Air.
Delta
8.0
Very good
7,896 reviews
EVA Air
8.4
Very good
1,169 reviews

Crew

8.6

Boarding

8.4

Overall

8.4

Food

8.1

Comfort

8.3

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Piotr,Feb 2025

TPE - ORD

It is always a pleasure to travel with EVA Air.

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.

  • 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 $575 on Cathay Pacific. Other airlines that offer cheap prices include IndiGo from $613 and Delta from $637 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 - Greater Peoria.

  • 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 $323). 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 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 2,558,603 searches. Data last updated March 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$802Average$1,407FlexibilityNo cancel feeOn-time69%
Cathay PacificCheapest$882Average$1,287FlexibilityNo cancel feeOn-time72%
EVA AirCheapest$981Average$1,083FlexibilityNo cancel feeOn-time74%
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