Illinois

$491+ 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 5/24. Fares are subject to change and may not be available on all flights or dates of travel.
SIN — ORD
abr 5 — abr 121
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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 março 31, 2025.

Round-trip from

$926
(United Airlines)

One-way from

$491
(Kiwi.com)

Popular in

August

Cheapest in

February

Average price

$1,035
From Singapore to Illinois
One-way flight from Singapore to Illinois
Highest demand for flights based on searches. 8% potential increase in price ($111 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 March 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 março 31, 2025.

This oojo deal was found by Cheapflights users on 3/30. 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.
dom 10/261:30 amSIN - ORD
1 stop21h 00mKorean Air
qui 11/1311:05 amORD - SIN
1 stop23h 05mKorean Air
Deal found 3/30$918
This United Airlines deal was found by Cheapflights users on 3/30. 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.
sáb 4/59:00 amSIN - ORD
1 stop25h 14mUnited Airlines
sex 4/189:17 pmORD - SIN
1 stop32h 08mUnited Airlines
Deal found 3/30$926
This Air Canada deal was found by Cheapflights users on 3/30. 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.
ter 6/249:10 amSIN - ORD
1 stop42h 39mAir Canada
qua 7/238:03 pmORD - SIN
2 stops46h 02mAir Canada
Deal found 3/30$933
This FlightHub deal was found by Cheapflights users on 3/30. 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.
seg 6/231:50 amSIN - ORD
1 stop25h 35mCathay Pacific
qua 7/234:00 pmORD - SIN
1 stop24h 30mCathay Pacific
Deal found 3/30$951
This Delta deal was found by Cheapflights users on 3/30. 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.
seg 4/77:30 amSIN - ORD
2 stops27h 15mDelta
qua 4/166:45 amORD - SIN
2 stops27h 55mDelta
Deal found 3/30$958
This EVA Air deal was found by Cheapflights users on 3/31. 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.
sex 6/63:10 pmSIN - ORD
2 stops27h 30mMultiple Airlines
qui 7/318:42 pmORD - SIN
2 stops26h 18mMultiple Airlines
Deal found 3/31$1,020
This Vakatrip deal was found by Cheapflights users on 3/31. 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 Vakatrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ter 6/39:10 amSIN - ORD
1 stop37h 30mTurkish Airlines
seg 8/411:45 pmORD - SIN
1 stop44h 00mTurkish Airlines
Deal found 3/31$1,061
This oojo deal was found by Cheapflights users on 3/30. 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.
dom 6/81:10 pmSIN - ORD
1 stop20h 50mEVA Air
qua 7/2312:30 amORD - SIN
1 stop22h 30mEVA Air
Deal found 3/30$1,082
This Gotogate deal was found by Cheapflights users on 3/30. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sex 6/208:30 pmSIN - ORD
1 stop23h 55mAir India
ter 7/112:00 pmORD - SIN
1 stop30h 30mAir India
Deal found 3/30$1,106
This Gotogate deal was found by Cheapflights users on 3/31. 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.
ter 6/38:05 amSIN - ORD
1 stop20h 55mJapan Airlines
dom 8/31:30 amORD - SIN
1 stop27h 00mJapan Airlines
Deal found 3/31$1,117
This Lufthansa deal was found by Cheapflights users on 3/30. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom 4/611:40 pmSIN - ORD
1 stop28h 05mLufthansa
ter 4/159:40 pmORD - SIN
1 stop30h 00mLufthansa
Deal found 3/30$1,207
This SWISS deal was found by Cheapflights users on 3/30. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sex 4/411:30 pmSIN - ORD
2 stops51h 15mSWISS
qui 4/178:15 pmORD - SIN
2 stops31h 50mSWISS
Deal found 3/30$1,221

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 março 31, 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

ter 6/24

8:45 am-11:13 pm

1 stop27h 28m

Chicago O'Hare Intl

qua 7/23

10:53 am-6:15 am

1 stop30h 22m

$926

SingaporeChicago

SIN - ORD

SINORD

Singapore Changi

ter 6/24

9:10 am-2:49 pm

1 stop42h 39m

Chicago O'Hare Intl

qua 7/23

8:03 pm-7:05 am

2 stops46h 02m

$933

SingaporeChicago

SIN - ORD

SINORD

Singapore Changi

seg 6/23

1:50 am-2:25 pm

1 stop25h 35m

Chicago O'Hare Intl

qua 7/23

4:00 pm-5:30 am

1 stop24h 30m

$951

SingaporeChicago

SIN - ORD

SINORD

Singapore Changi

sex 6/6

3:10 pm-5:40 am

2 stops27h 30m

Chicago O'Hare Intl

qui 7/31

8:42 pm-12:00 pm

2 stops26h 18m

$1,020

SingaporeChicago

SIN - ORD

SINORD

Singapore Changi

ter 6/3

9:10 am-9:40 am

1 stop37h 30m

Chicago O'Hare Intl

seg 8/4

11:45 pm-8:45 am

1 stop44h 00m

$1,061

SingaporeChicago

SIN - ORD

SINORD

Singapore Changi

dom 6/8

1:10 pm-9:00 pm

1 stop20h 50m

Chicago O'Hare Intl

qua 7/23

12:30 am-12:00 pm

1 stop22h 30m

$1,082

SingaporeChicago

SIN - ORD

SINORD

Singapore Changi

qua 5/14

11:00 pm-7:25 am

1 stop45h 25m

Chicago O'Hare Intl

qua 5/21

12:00 pm-7:30 am

1 stop30h 30m

$1,101

SingaporeChicago

SIN - ORD

SINORD

Singapore Changi

ter 6/3

8:05 am-4:00 pm

1 stop20h 55m

Chicago O'Hare Intl

dom 8/3

1:30 am-5:30 pm

1 stop27h 00m

$1,117

SingaporeChicago

SIN - ORD

SINORD

Singapore Changi

seg 6/2

1:10 am-11:59 pm

2 stops35h 49m

Chicago O'Hare Intl

seg 8/4

7:05 am-5:00 am

2 stops32h 55m

$1,211

SingaporeChicago

SIN - ORD

SINORD

Singapore Changi

sex 7/25

7:45 pm-10:00 pm

2 stops39h 15m

Chicago O'Hare Intl

seg 8/4

11:45 pm-5:45 pm

2 stops29h 00m

$1,232

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/30

Showing 1-10 of 45 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 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 março 31, 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 março 31, 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.

Overall

8.4

Food

8.1

Crew

8.6

Entertainment

8.0

Comfort

8.3

Boarding

8.4

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.

Overall

8.4

Food

8.1

Crew

8.6

Entertainment

8.0

Comfort

8.3

Boarding

8.4

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.

Overall

8.4

Food

8.1

Crew

8.6

Entertainment

8.0

Comfort

8.3

Boarding

8.4

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.

Overall

8.4

Food

8.1

Crew

8.6

Entertainment

8.0

Comfort

8.3

Boarding

8.4

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.

Overall

8.4

Food

8.1

Crew

8.6

Entertainment

8.0

Comfort

8.3

Boarding

8.4

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.
8.0
Very good

Overall

8.4

Food

8.1

Crew

8.6

Entertainment

8.0

Comfort

8.3

Boarding

8.4

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.

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 $536 on IndiGo. Other airlines that offer cheap prices include Cathay Pacific from $585 and United Airlines from $734 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 $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

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 março 31, 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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