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Illinois

$487+ 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 5/18. Fares are subject to change and may not be available on all flights or dates of travel.
SIN — ORD
Apr 27 — May 41
Sun 4/27
Sun 5/4
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 April 22, 2025.

Round-trip from

$876
(Air Canada)

One-way from

$487
(Kiwi.com)

Popular in

August

Cheapest in

February

Average price

$1,067
From Singapore to Illinois
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One-way flight from Singapore to Illinois
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Highest demand for flights based on searches. 8% potential increase in price ($109 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($25 potential savings vs. average RT price).
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Average for round-trip flights in April 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 April 22, 2025.

This Air Canada deal was found by Cheapflights users on 4/21. 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 4/21$860
This oojo deal was found by Cheapflights users on 4/21. 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 11/1310:00 amORD - SIN
2 stops37h 05mMultiple Airlines
Deal found 4/21$943
This United Airlines deal was found by Cheapflights users on 4/21. 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 6/168:45 amSIN - ORD
1 stop34h 34mUnited Airlines
Mon 6/309:40 pmORD - SIN
1 stop31h 45mUnited Airlines
Deal found 4/21$945
This oojo deal was found by Cheapflights users on 4/21. 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 stop43h 20mKorean Air
Deal found 4/21$951
This oojo deal was found by Cheapflights users on 4/22. 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 12/132:15 pmSIN - ORD
2 stops28h 49mChina Airlines
Mon 1/56:50 pmORD - SIN
2 stops39h 50mChina Airlines
Deal found 4/22$1,007
This SmartFares deal was found by Cheapflights users on 4/22. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/69:00 amSIN - ORD
1 stop35h 25mAir India
Fri 6/1312:00 pmORD - SIN
1 stop42h 30mAir India
Deal found 4/22$1,034
This Gurufare deal was found by Cheapflights users on 4/21. 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.
Wed 6/41:50 amSIN - ORD
1 stop25h 35mCathay Pacific
Tue 6/244:00 pmORD - SIN
1 stop24h 30mCathay Pacific
Deal found 4/21$1,050
This oojo deal was found by Cheapflights users on 4/22. 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.
Thu 5/83:10 pmSIN - ORD
2 stops38h 50mEVA Air
Sat 5/175:58 pmORD - SIN
2 stops29h 02mEVA Air
Deal found 4/22$1,077
This Delta deal was found by Cheapflights users on 4/22. 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 11/137:30 amORD - SIN
2 stops31h 30mDelta
Deal found 4/22$1,085
This Gotogate deal was found by Cheapflights users on 4/22. 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.
Fri 5/2310:15 amSIN - ORD
1 stop36h 25mTurkish Airlines
Fri 5/307:50 pmORD - SIN
1 stop23h 55mTurkish Airlines
Deal found 4/22$1,138
This Japan Airlines deal was found by Cheapflights users on 4/21. 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 Japan Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/188:05 amSIN - ORD
1 stop20h 55mJapan Airlines
Mon 6/231:30 amORD - SIN
1 stop39h 40mJapan Airlines
Deal found 4/21$1,156
This Delta deal was found by Cheapflights users on 4/22. 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 5/1110:30 pmSIN - MDW
2 stops30h 00mDelta
Tue 6/36:00 amMDW - SIN
2 stops28h 40mDelta
Deal found 4/22$1,228

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 April 22, 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 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

$876

SingaporeChicago

SIN - ORD

SINORD

Singapore Changi

Mon 6/16

8:45 am-6:19 am

1 stop34h 34m

Chicago O'Hare Intl

Mon 6/30

9:40 pm-6:25 pm

1 stop31h 45m

$945

SingaporeChicago

SIN - ORD

SINORD

Singapore Changi

Tue 6/3

9:10 am-6:42 am

2 stops34h 32m

Chicago O'Hare Intl

Tue 6/10

8:37 am-7:05 am

2 stops33h 28m

$996

SingaporeChicago

SIN - ORD

SINORD

Singapore Changi

Fri 5/23

2:00 am-5:40 am

2 stops40h 40m

Chicago O'Hare Intl

Sun 6/1

6:00 am-12:35 pm

2 stops41h 35m

$1,018

SingaporeChicago

SIN - ORD

SINORD

Singapore Changi

Fri 6/6

9:00 am-7:25 am

1 stop35h 25m

Chicago O'Hare Intl

Fri 6/13

12:00 pm-7:30 pm

1 stop42h 30m

$1,034

SingaporeChicago

SIN - ORD

SINORD

Singapore Changi

Wed 6/4

1:50 am-2:25 pm

1 stop25h 35m

Chicago O'Hare Intl

Tue 6/24

4:00 pm-5:30 am

1 stop24h 30m

$1,050

SingaporeChicago

SIN - ORD

SINORD

Singapore Changi

Thu 5/8

3:10 pm-5:00 pm

2 stops38h 50m

Chicago O'Hare Intl

Sat 5/17

5:58 pm-12:00 pm

2 stops29h 02m

$1,077

SingaporeChicago

SIN - ORD

SINORD

Singapore Changi

Mon 5/5

1:10 am-9:40 am

1 stop21h 30m

Chicago O'Hare Intl

Fri 5/9

7:59 pm-11:40 pm

2 stops38h 41m

$1,090

SingaporeChicago

SIN - ORD

SINORD

Singapore Changi

Fri 5/23

10:15 am-9:40 am

1 stop36h 25m

Chicago O'Hare Intl

Fri 5/30

7:50 pm-8:45 am

1 stop23h 55m

$1,138

SingaporeChicago

SIN - ORD

SINORD

Singapore Changi

Wed 6/18

8:05 am-4:00 pm

1 stop20h 55m

Chicago O'Hare Intl

Mon 6/23

1:30 am-6:10 am

1 stop39h 40m

$1,156

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/22

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 $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 April 22, 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 April 22, 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
1,180 reviews

Entertainment

8.0

Food

8.1

Boarding

8.4

Overall

8.4

Crew

8.6

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Gary,Apr 2025

DPS - TPE

The staff was excellent. Kind, courteous, and overall just hospitable. Definitely recommend
EVA Air
8.4
Very good
1,180 reviews
EVA Air
8.4
Very good
1,180 reviews

Entertainment

8.0

Food

8.1

Boarding

8.4

Overall

8.4

Crew

8.6

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Gary,Apr 2025

DPS - TPE

The staff was excellent. Kind, courteous, and overall just hospitable. Definitely recommend
Korean Air
8.4
Very good
1,062 reviews
EVA Air
8.4
Very good
1,180 reviews

Entertainment

8.0

Food

8.1

Boarding

8.4

Overall

8.4

Crew

8.6

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Gary,Apr 2025

DPS - TPE

The staff was excellent. Kind, courteous, and overall just hospitable. Definitely recommend
Japan Airlines
8.3
Very good
1,450 reviews
EVA Air
8.4
Very good
1,180 reviews

Entertainment

8.0

Food

8.1

Boarding

8.4

Overall

8.4

Crew

8.6

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Gary,Apr 2025

DPS - TPE

The staff was excellent. Kind, courteous, and overall just hospitable. Definitely recommend
China Airlines
8.3
Very good
727 reviews
EVA Air
8.4
Very good
1,180 reviews

Entertainment

8.0

Food

8.1

Boarding

8.4

Overall

8.4

Crew

8.6

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Gary,Apr 2025

DPS - TPE

The staff was excellent. Kind, courteous, and overall just hospitable. Definitely recommend
Emirates
8.0
Very good
3,205 reviews
EVA Air
8.4
Very good
1,180 reviews

Entertainment

8.0

Food

8.1

Boarding

8.4

Overall

8.4

Crew

8.6

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Gary,Apr 2025

DPS - TPE

The staff was excellent. Kind, courteous, and overall just hospitable. Definitely recommend

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 $645 on Korean Air. Other airlines that offer cheap prices include Delta from $653 and Cathay Pacific from $667 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

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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 April 22, 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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