HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Illinois

$493+ 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 7/26. Fares are subject to change and may not be available on all flights or dates of travel.
SIN — ORD
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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

Keep the following information in mind while searching for Singapore to Illinois flight deals. Data was last updated June 12, 2025.

Round-trip from

$677
(FlightHub)

One-way from

$493
(EaseMyTrip)

Popular in

January

Cheapest in

April

Average price

$1,199
From Singapore to Illinois
Search Deals
One-way flight from Singapore to Illinois
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($68 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($26 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2025
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 June 12, 2025.

This FlightHub deal was found by Cheapflights users on 6/10. 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
2 stops32h 13mJapan Airlines
Tue 7/221:30 amORD - SIN
1 stop39h 40mJapan Airlines
Deal found 6/10$677
This United Airlines deal was found by Cheapflights users on 6/11. 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 10/2710:10 amSIN - ORD
1 stop26h 00mUnited Airlines
Thu 11/137:10 amORD - SIN
1 stop23h 05mUnited Airlines
Deal found 6/11$685
This Cheapflightsfares deal was found by Cheapflights users on 6/12. 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.
Tue 10/710:10 pmSIN - ORD
1 stop23h 30mANA
Mon 10/1311:50 amORD - SIN
1 stop23h 55mANA
Deal found 6/12$812
This ANA deal was found by Cheapflights users on 6/11. 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 ANA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/2011:05 amSIN - ORD
2 stops25h 54mMultiple Airlines
Sat 7/55:45 pmORD - SIN
1 stop23h 55mMultiple Airlines
Deal found 6/11$849
This Air Canada deal was found by Cheapflights users on 6/11. 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 11/133:40 pmORD - SIN
1 stop26h 15mAir Canada
Deal found 6/11$915
This FlightHub deal was found by Cheapflights users on 6/11. 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.
Wed 6/118:05 pmSIN - ORD
1 stop31h 20mCathay Pacific
Mon 6/234:00 pmORD - SIN
1 stop24h 30mCathay Pacific
Deal found 6/11$1,003
This Flighttix deal was found by Cheapflights users on 6/12. 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 Flighttix is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/221:55 amSIN - ORD
2 stops29h 40mBritish Airways
Tue 7/88:25 amORD - SIN
2 stops32h 45mBritish Airways
Deal found 6/12$1,034
This oojo deal was found by Cheapflights users on 6/11. 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.
Sat 12/133:45 pmSIN - ORD
2 stops27h 19mEVA Air
Mon 1/56:50 pmORD - SIN
2 stops29h 40mEVA Air
Deal found 6/11$1,037
This American Airlines deal was found by Cheapflights users on 6/11. 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.
Sun 6/221:55 amSIN - ORD
2 stops25h 20mAmerican Airlines
Wed 7/2310:00 amORD - SIN
2 stops25h 20mAmerican Airlines
Deal found 6/11$1,049
This oojo deal was found by Cheapflights users on 6/12. 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 stops29h 55mChina Airlines
Deal found 6/12$1,051
This Booking.com deal was found by Cheapflights users on 6/10. 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.
Fri 7/257:45 pmSIN - ORD
2 stops35h 10mIndiGo
Fri 8/17:50 pmORD - SIN
2 stops32h 55mIndiGo
Deal found 6/10$1,206
This Delta deal was found by Cheapflights users on 6/11. 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.
Sat 11/2211:00 amSIN - MDW
2 stops39h 32mDelta
Thu 11/275:59 pmMDW - SIN
2 stops40h 11mDelta
Deal found 6/11$1,604

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 June 12, 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

Mon 6/23

1:55 am-9:08 pm

2 stops32h 13m

Chicago O'Hare Intl

Tue 7/22

1:30 am-6:10 am

1 stop39h 40m

$677

SingaporeChicago

SIN - ORD

SINORD

Singapore Changi

Mon 10/27

10:10 am-11:10 pm

1 stop26h 00m

Chicago O'Hare Intl

Thu 11/13

7:10 am-8:15 pm

1 stop23h 05m

$685

SingaporeChicago

SIN - ORD

SINORD

Singapore Changi

Tue 10/7

10:10 pm-8:40 am

1 stop23h 30m

Chicago O'Hare Intl

Mon 10/13

11:50 am-12:45 am

1 stop23h 55m

$812

SingaporeChicago

SIN - ORD

SINORD

Singapore Changi

Mon 10/27

9:00 pm-4:38 pm

2 stops32h 38m

Chicago O'Hare Intl

Thu 11/13

9:00 am-7:55 am

2 stops32h 55m

$915

SingaporeChicago

SIN - ORD

SINORD

Singapore Changi

Fri 10/3

8:05 am-11:59 pm

2 stops28h 54m

Chicago O'Hare Intl

Fri 10/10

12:00 pm-7:30 am

1 stop30h 30m

$981

SingaporeChicago

SIN - ORD

SINORD

Singapore Changi

Sun 6/22

1:55 am-6:35 pm

2 stops29h 40m

Chicago O'Hare Intl

Tue 7/8

8:25 am-6:10 am

2 stops32h 45m

$1,034

SingaporeChicago

SIN - ORD

SINORD

Singapore Changi

Sun 6/22

1:55 am-2:15 pm

2 stops25h 20m

Chicago O'Hare Intl

Wed 7/23

10:00 am-12:20 am

2 stops25h 20m

$1,049

SingaporeChicago

SIN - ORD

SINORD

Singapore Changi

Mon 10/6

1:50 am-2:25 pm

1 stop25h 35m

Chicago O'Hare Intl

Mon 10/13

4:00 pm-5:30 am

1 stop24h 30m

$1,072

SingaporeChicago

SIN - ORD

SINORD

Singapore Changi

Thu 8/28

1:10 pm-9:10 pm

1 stop21h 00m

Chicago O'Hare Intl

Mon 12/29

11:30 pm-2:30 pm

1 stop25h 00m

$1,110

SingaporeChicago

SIN - ORD

SINORD

Singapore Changi

Fri 7/25

7:45 pm-5:55 pm

2 stops35h 10m

Chicago O'Hare Intl

Fri 8/1

7:50 pm-5:45 pm

2 stops32h 55m

$1,206

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 34 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 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 June 12, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Singapore to Illinois as you normally would.

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 June 12, 2025.
Get a feel of what it's like to fly with EVA Air, Korean Air and Japan 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.
EVA Air
8.4
Very good
1,202 reviews

Food

8.1

Boarding

8.4

Comfort

8.3

Overall

8.4

Entertainment

8.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
EVA Air
8.4
Very good
1,202 reviews
EVA Air
8.4
Very good
1,202 reviews

Food

8.1

Boarding

8.4

Comfort

8.3

Overall

8.4

Entertainment

8.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
Korean Air
8.4
Very good
1,088 reviews
EVA Air
8.4
Very good
1,202 reviews

Food

8.1

Boarding

8.4

Comfort

8.3

Overall

8.4

Entertainment

8.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
Japan Airlines
8.3
Very good
1,489 reviews
EVA Air
8.4
Very good
1,202 reviews

Food

8.1

Boarding

8.4

Comfort

8.3

Overall

8.4

Entertainment

8.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
China Airlines
8.3
Very good
738 reviews
EVA Air
8.4
Very good
1,202 reviews

Food

8.1

Boarding

8.4

Comfort

8.3

Overall

8.4

Entertainment

8.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
ANA
8.3
Very good
882 reviews
EVA Air
8.4
Very good
1,202 reviews

Food

8.1

Boarding

8.4

Comfort

8.3

Overall

8.4

Entertainment

8.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

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 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 $493 on Japan Airlines. Other airlines that offer cheap prices include American Airlines from $497 and IndiGo from $639 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, 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.
Haneda to Los Angeles flights
Taiwan Taoyuan Intl to Seattle flights
Hyderabad to Dallas/Fort Worth flights
Incheon Intl to John F Kennedy Intl flights
Mumbai to John F Kennedy Intl flights
Narita to Honolulu flights
Mumbai to Newark flights
Mumbai to San Francisco flights
Narita to Los Angeles flights
Manila to Los Angeles flights
Haneda to John F Kennedy Intl flights
Incheon Intl to Los Angeles flights
Haneda to Honolulu flights
New Delhi to Newark flights
Narita to Seattle flights
New Delhi to John F Kennedy Intl flights
Manila to San Francisco flights
Okinawa to Dallas/Fort Worth flights
New Delhi to San Francisco flights
Haneda to Newark flights
Incheon Intl to Honolulu flights
Taiwan Taoyuan Intl to Los Angeles flights
Incheon Intl to LaGuardia flights
Incheon Intl to Dallas/Fort Worth flights
Incheon Intl to Newark flights
Haneda to Seattle flights
Hongqiao Intl to Los Angeles flights
Narita to Newark flights
Bangalore to San Francisco flights
Incheon Intl to Seattle flights
New Delhi to Seattle flights
Haneda to O'Hare Intl flights
Haneda to San Francisco flights
Manila to John F Kennedy Intl flights
Incheon Intl to O'Hare Intl flights
Narita to John F Kennedy Intl flights
Singapore to John F Kennedy Intl flights
Pu Dong to Los Angeles flights
Narita to O'Hare Intl flights
Incheon Intl to San Francisco flights
Incheon Intl to Boston flights
Suvarnabhumi to Los Angeles flights
Hong Kong to Los Angeles flights
Taiwan Taoyuan Intl to San Francisco flights
Taiwan Taoyuan Intl to John F Kennedy Intl flights
Singapore to Newark flights
Incheon Intl to Dulles Intl flights
Hongqiao Intl to San Francisco flights
Angeles City to Hobby flights
Hyderabad to O'Hare Intl flights

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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$802Average$1,376FlexibilityNo cancel feeOn-time69%
Cathay PacificCheapest$882Average$1,125FlexibilityNo cancel feeOn-time72%
EVA AirCheapest$981Average$1,076FlexibilityNo 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.