HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Illinois

$507+ 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 2/18. Fares are subject to change and may not be available on all flights or dates of travel.
SIN — ORD
Jan 26 — Feb 21
Sun 1/26
Sun 2/2
1 adult, Economy
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

Discover tips and strategies to find the most affordable flight options for your journey from Singapore (SIN) to Illinois (USIL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 21, 2025.

Round-trip from

$940
(Gotogate)

One-way from

$507
(Kiwi.com)
From Singapore Changi to Illinois
Search Deals
One-way flight from Singapore Changi to Illinois
Search Deals

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 January 21, 2025.

This Gotogate deal was found by Cheapflights users on 1/20. 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 3/101:25 amSIN - ORD
1 stop25h 35mCathay Pacific
Tue 3/183:40 pmORD - SIN
1 stop25h 00mCathay Pacific
Deal found 1/20$940
This Gotogate deal was found by Cheapflights users on 1/19. 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.
Tue 4/89:10 amSIN - ORD
1 stop37h 40mTurkish Airlines
Tue 4/2211:35 amORD - SIN
1 stop30h 55mTurkish Airlines
Deal found 1/19$948
This Mytrip deal was found by Cheapflights users on 1/20. 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.
Sun 2/912:50 amSIN - ORD
2 stops36h 23mMultiple Airlines
Tue 2/1811:00 amORD - SIN
2 stops29h 15mMultiple Airlines
Deal found 1/20$973
This Trip.com deal was found by Cheapflights users on 1/19. 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.
Mon 4/71:10 amSIN - ORD
1 stop21h 40mKorean Air
Tue 4/2212:20 pmORD - SIN
1 stop22h 20mKorean Air
Deal found 1/19$998
This Gotogate deal was found by Cheapflights users on 1/20. 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.
Sun 2/211:00 pmSIN - ORD
1 stop45h 30mAir India
Mon 2/1711:00 amORD - SIN
1 stop30h 00mAir India
Deal found 1/20$1,050
This CheapTickets deal was found by Cheapflights users on 1/20. 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 CheapTickets is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/111:15 pmSIN - ORD
1 stop20h 20mEVA Air
Mon 3/1712:30 amORD - SIN
1 stop22h 35mEVA Air
Deal found 1/20$1,070
This American Airlines deal was found by Cheapflights users on 1/20. 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.
Sat 2/12:20 amSIN - ORD
2 stops25h 29mAmerican Airlines
Mon 2/1710:35 amORD - SIN
1 stop30h 05mAmerican Airlines
Deal found 1/20$1,101
This United Airlines deal was found by Cheapflights users on 1/20. 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 6/248:45 amSIN - ORD
2 stops36h 16mUnited Airlines
Wed 7/2312:50 pmORD - SIN
1 stop28h 50mUnited Airlines
Deal found 1/20$1,119
This SWISS deal was found by Cheapflights users on 1/20. 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.
Sun 2/912:05 amSIN - ORD
1 stop30h 10mSWISS
Tue 2/187:05 pmORD - SIN
1 stop32h 50mSWISS
Deal found 1/20$1,171
This Lufthansa deal was found by Cheapflights users on 1/20. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/211:45 pmSIN - ORD
1 stop28h 25mLufthansa
Mon 2/179:25 pmORD - SIN
2 stops29h 25mLufthansa
Deal found 1/20$1,174
This oojo deal was found by Cheapflights users on 1/19. 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 3/23:15 amSIN - ORD
1 stop25h 15mQatar Airways
Mon 3/104:27 pmORD - SIN
2 stops27h 18mQatar Airways
Deal found 1/19$1,212
This Cheapflightsfares deal was found by Cheapflights users on 1/19. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/22:20 amSIN - ORD
2 stops31h 18mJapan Airlines
Mon 3/107:09 amORD - SIN
2 stops28h 41mJapan Airlines
Deal found 1/19$1,290

Find flights from Singapore to Illinois within your budget

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 January 21, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

SingaporeChicago

SIN - ORD

SINORD

Singapore Changi

Mon 3/10

1:25 am-2:00 pm

1 stop25h 35m

Chicago O'Hare Intl

Tue 3/18

3:40 pm-5:40 am

1 stop25h 00m

$940

SingaporeChicago

SIN - ORD

SINORD

Singapore Changi

Tue 4/8

9:10 am-9:50 am

1 stop37h 40m

Chicago O'Hare Intl

Tue 4/22

11:35 am-7:30 am

1 stop30h 55m

$948

SingaporeChicago

SIN - ORD

SINORD

Singapore Changi

Sun 2/9

12:50 am-11:13 pm

2 stops36h 23m

Chicago O'Hare Intl

Tue 2/18

11:00 am-6:15 am

2 stops29h 15m

$973

SingaporeChicago

SIN - ORD

SINORD

Singapore Changi

Mon 4/7

1:10 am-9:50 am

1 stop21h 40m

Chicago O'Hare Intl

Tue 4/22

12:20 pm-11:40 pm

1 stop22h 20m

$998

SingaporeChicago

SIN - ORD

SINORD

Singapore Changi

Sun 2/2

11:00 pm-6:30 am

1 stop45h 30m

Chicago O'Hare Intl

Mon 2/17

11:00 am-7:00 am

1 stop30h 00m

$1,050

SingaporeChicago

SIN - ORD

SINORD

Singapore Changi

Tue 3/11

1:15 pm-8:35 pm

1 stop20h 20m

Chicago O'Hare Intl

Mon 3/17

12:30 am-12:05 pm

1 stop22h 35m

$1,070

SingaporeChicago

SIN - ORD

SINORD

Singapore Changi

Sat 2/1

2:20 am-1:49 pm

2 stops25h 29m

Chicago O'Hare Intl

Mon 2/17

10:35 am-6:40 am

1 stop30h 05m

$1,101

SingaporeChicago

SIN - ORD

SINORD

Singapore Changi

Tue 6/24

8:45 am-8:01 am

2 stops36h 16m

Chicago O'Hare Intl

Wed 7/23

12:50 pm-6:40 am

1 stop28h 50m

$1,119

SingaporeChicago

SIN - ORD

SINORD

Singapore Changi

Sun 2/9

12:05 am-4:15 pm

1 stop30h 10m

Chicago O'Hare Intl

Tue 2/18

7:05 pm-5:55 pm

1 stop32h 50m

$1,171

SingaporeChicago

SIN - ORD

SINORD

Singapore Changi

Sun 2/2

11:45 pm-2:10 pm

1 stop28h 25m

Chicago O'Hare Intl

Mon 2/17

9:25 pm-4:50 pm

2 stops29h 25m

$1,174

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/20

Showing 1-10 of 43 results
1
2
3
...
5

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.

Travel insights for flights from Singapore to Illinois

Get recent, data-driven insights about flights from Singapore to Illinois including ideal travel times, pricing trends, and more.

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 $320). 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 January 21, 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 January 21, 2025.
Korean Air
8.5
Very good
1,039 reviews

Boarding

8.5

Entertainment

8.2

Crew

8.7

Overall

8.5

Food

8.1

Comfort

8.3

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

Korean Air
8.5
Very good
1,039 reviews
Korean Air
8.5
Very good
1,039 reviews

Boarding

8.5

Entertainment

8.2

Crew

8.7

Overall

8.5

Food

8.1

Comfort

8.3

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

EVA Air
8.4
Very good
1,255 reviews
Korean Air
8.5
Very good
1,039 reviews

Boarding

8.5

Entertainment

8.2

Crew

8.7

Overall

8.5

Food

8.1

Comfort

8.3

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

ANA
8.4
Very good
852 reviews
Korean Air
8.5
Very good
1,039 reviews

Boarding

8.5

Entertainment

8.2

Crew

8.7

Overall

8.5

Food

8.1

Comfort

8.3

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

Japan Airlines
8.3
Very good
1,449 reviews
Korean Air
8.5
Very good
1,039 reviews

Boarding

8.5

Entertainment

8.2

Crew

8.7

Overall

8.5

Food

8.1

Comfort

8.3

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

Asiana Airlines
8.3
Very good
466 reviews
Korean Air
8.5
Very good
1,039 reviews

Boarding

8.5

Entertainment

8.2

Crew

8.7

Overall

8.5

Food

8.1

Comfort

8.3

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

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 $588 on Cathay Pacific. Other airlines that offer cheap prices include IndiGo from $656 and Turkish Airlines from $719 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, 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 $320). 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.
Singapore to John F Kennedy Intl flights
Singapore to Newark flights
Singapore to LaGuardia flights
Singapore to San Francisco flights
Singapore to Los Angeles flights
Singapore to Seattle flights
Singapore to Hobby flights
Singapore to Ontario flights
Singapore to Denver flights
Singapore to Honolulu flights
Singapore to Las Vegas flights
Singapore to Dulles Intl flights
Singapore to Atlanta flights
Singapore to Santa Ana flights
Singapore to Boston flights
Singapore to O'Hare Intl flights
Singapore to George Bush Intcntl flights
Singapore to Baltimore flights
Singapore to San Jose flights
Singapore to Reagan-National flights
Singapore to Portland flights
Singapore to Miami flights
Singapore to San Diego flights
Singapore to Orlando flights
Singapore to Dallas/Fort Worth flights
Singapore to Philadelphia flights
Singapore to Detroit flights
Singapore to Minneapolis flights
Singapore to Kailua-Kona flights
Singapore to Charlotte flights
Singapore to Sky Harbor Intl flights
Singapore to White Plains flights
Singapore to Providence flights
Singapore to Indianapolis flights
Singapore to Nashville flights
Singapore to Oakland flights
Singapore to Kahului flights
Singapore to Pittsburgh flights
Singapore to Fort Lauderdale flights
Singapore to Austin flights
Singapore to Anchorage flights
Singapore to West Palm Beach flights
Singapore to Santa Rosa flights
Singapore to Burlington flights
Singapore to Cleveland flights
Singapore to Albuquerque flights

Top 4 airlines flying from Singapore to Illinois

Discover the top 4 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 January 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
Cathay PacificCheapest$882Average$1,299FlexibilityNo cancel feeOn-time72%
EVA AirCheapest$981Average$1,100FlexibilityNo cancel feeOn-time74%
United AirlinesCheapest$999Average$1,407FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$1,096Average$1,332FlexibilityNo cancel feeOn-time71%
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.