Illinois

$484+ 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 5/27. Fares are subject to change and may not be available on all flights or dates of travel.
SIN — ORD
May 6 — May 131
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Singapore to Illinois with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 May 1, 2025.

Round-trip from

$922
(oojo)

One-way from

$484
(Mytrip)

Popular in

August

Cheapest in

February

Average price

$1,361
From Singapore Changi to Illinois
One-way flight from Singapore Changi to Illinois
Highest demand for flights based on searches. 8% potential increase in price ($110 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($25 potential savings vs. average RT price).
Average for round-trip flights in May 2025

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 May 1, 2025.

This oojo deal was found by Cheapflights users on 4/30. 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 10/261:30 amSIN - ORD
1 stop21h 00mKorean Air
Thu 11/1311:05 amORD - SIN
1 stop27h 55mKorean Air
Deal found 4/30$922
This oojo deal was found by Cheapflights users on 4/30. 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 10/262:00 amSIN - ORD
2 stops40h 04mMultiple Airlines
Thu 11/135:10 pmORD - SIN
2 stops29h 55mMultiple Airlines
Deal found 4/30$947
This United Airlines deal was found by Cheapflights users on 4/30. 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 40mUnited Airlines
Mon 1/510:00 pmORD - SIN
1 stop32h 15mUnited Airlines
Deal found 4/30$953
This Air Canada deal was found by Cheapflights users on 4/30. 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 stops30h 39mAir Canada
Thu 11/131:00 pmORD - SIN
1 stop28h 55mAir Canada
Deal found 4/30$957
This oojo deal was found by Cheapflights users on 4/30. 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.
Fri 12/122:00 amSIN - ORD
2 stops41h 04mChina Airlines
Mon 1/55:10 pmORD - SIN
2 stops41h 30mChina Airlines
Deal found 4/30$1,006
This oojo deal was found by Cheapflights users on 4/30. 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.
Fri 6/133:10 pmSIN - ORD
2 stops33h 57mEVA Air
Fri 6/278:42 pmORD - SIN
2 stops26h 18mEVA Air
Deal found 4/30$1,053
This Delta deal was found by Cheapflights users on 4/30. 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 11/137:00 amORD - SIN
2 stops27h 10mDelta
Deal found 4/30$1,062
This Gurufare deal was found by Cheapflights users on 4/30. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/121:25 amSIN - ORD
1 stop25h 35mCathay Pacific
Mon 1/52:40 pmORD - SIN
1 stop35h 05mCathay Pacific
Deal found 4/30$1,064
This FlightHub deal was found by Cheapflights users on 4/30. 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 6/231:55 amSIN - ORD
1 stop20h 20mJapan Airlines
Tue 7/221:30 amORD - SIN
1 stop27h 00mJapan Airlines
Deal found 4/30$1,127
This American Airlines deal was found by Cheapflights users on 4/30. 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.
Mon 6/231:55 amSIN - ORD
1 stop20h 20mAmerican Airlines
Wed 7/239:51 amORD - SIN
2 stops25h 29mAmerican Airlines
Deal found 4/30$1,234
This SWISS deal was found by Cheapflights users on 4/29. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/1411:30 pmSIN - ORD
1 stop29h 25mSWISS
Sat 6/217:05 pmORD - SIN
1 stop33h 00mSWISS
Deal found 4/29$1,267
This Trip.com deal was found by Cheapflights users on 4/30. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/139:00 amSIN - ORD
1 stop35h 25mAir India
Fri 6/2712:00 pmORD - SIN
1 stop30h 30mAir India
Deal found 4/30$1,297

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 May 1, 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

Sun 10/26

1:30 am-9:30 am

1 stop21h 00m

Chicago O'Hare Intl

Thu 11/13

11:05 am-5:00 am

1 stop27h 55m

$922

SingaporeChicago

SIN - ORD

SINORD

Singapore Changi

Sun 10/26

2:00 am-5:04 am

2 stops40h 04m

Chicago O'Hare Intl

Thu 11/13

5:10 pm-1:05 pm

2 stops29h 55m

$947

SingaporeChicago

SIN - ORD

SINORD

Singapore Changi

Mon 10/27

9:00 pm-2:39 pm

2 stops30h 39m

Chicago O'Hare Intl

Thu 11/13

1:00 pm-7:55 am

1 stop28h 55m

$957

SingaporeChicago

SIN - ORD

SINORD

Singapore Changi

Fri 6/13

3:10 pm-12:07 pm

2 stops33h 57m

Chicago O'Hare Intl

Fri 6/27

8:42 pm-12:00 pm

2 stops26h 18m

$1,053

SingaporeChicago

SIN - ORD

SINORD

Singapore Changi

Sun 10/26

1:30 am-9:30 am

1 stop21h 00m

Chicago O'Hare Intl

Thu 11/13

7:00 am-12:10 am

2 stops27h 10m

$1,062

SingaporeChicago

SIN - ORD

SINORD

Singapore Changi

Tue 6/17

1:50 am-2:25 pm

1 stop25h 35m

Chicago O'Hare Intl

Fri 6/27

4:00 pm-5:30 am

1 stop24h 30m

$1,075

SingaporeChicago

SIN - ORD

SINORD

Singapore Changi

Mon 6/23

1:55 am-9:15 am

1 stop20h 20m

Chicago O'Hare Intl

Tue 7/22

1:30 am-5:30 pm

1 stop27h 00m

$1,127

SingaporeChicago

SIN - ORD

SINORD

Singapore Changi

Mon 6/23

1:55 am-9:15 am

1 stop20h 20m

Chicago O'Hare Intl

Wed 7/23

9:51 am-12:20 am

2 stops25h 29m

$1,234

SingaporeChicago

SIN - ORD

SINORD

Singapore Changi

Sat 6/14

11:30 pm-12:10 pm

1 stop25h 40m

Chicago O'Hare Intl

Sat 6/21

7:05 pm-5:05 pm

1 stop33h 00m

$1,267

SingaporeChicago

SIN - ORD

SINORD

Singapore Changi

Fri 6/13

9:00 am-7:25 am

1 stop35h 25m

Chicago O'Hare Intl

Fri 6/27

12:00 pm-7:30 am

1 stop30h 30m

$1,297

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

Showing 1-10 of 35 results
1
2
3
4

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 May 1, 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 May 1, 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.

Food

8.1

Comfort

8.3

Crew

8.6

Entertainment

8.0

Overall

8.4

Boarding

8.4

Reviews

1 / 20
10.0
Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop

Food

8.1

Comfort

8.3

Crew

8.6

Entertainment

8.0

Overall

8.4

Boarding

8.4

Reviews

1 / 20
10.0
Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop

Food

8.1

Comfort

8.3

Crew

8.6

Entertainment

8.0

Overall

8.4

Boarding

8.4

Reviews

1 / 20
10.0
Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop

Food

8.1

Comfort

8.3

Crew

8.6

Entertainment

8.0

Overall

8.4

Boarding

8.4

Reviews

1 / 20
10.0
Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop

Food

8.1

Comfort

8.3

Crew

8.6

Entertainment

8.0

Overall

8.4

Boarding

8.4

Reviews

1 / 20
10.0
Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop
8.3
Very good

Food

8.1

Comfort

8.3

Crew

8.6

Entertainment

8.0

Overall

8.4

Boarding

8.4

Reviews

1 / 20
10.0
Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop

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 $642 on Air Canada. Other airlines that offer cheap prices include Korean Air from $647 and Cathay Pacific from $653 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, 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Singapore to Illinois

See prices for flight routes from nearby airports that may be better suited for you.

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 May 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$802Average$1,407FlexibilityNo cancel feeOn-time69%
Cathay PacificCheapest$882Average$1,287FlexibilityNo cancel feeOn-time72%
EVA AirCheapest$981Average$1,069FlexibilityNo cancel feeOn-time74%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.