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$404+ Cheap flights from Illinois to Singapore

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 5/7. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — SIN
Apr 27 — May 41
Sun 4/27
Sun 5/4
1 adult, Economy
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Cheap flight deals from Illinois to Singapore

Keep the following information in mind while searching for Illinois to Singapore flight deals. Data was last updated April 22, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$954
(Gotogate)

One-way from

$404
(Gurufare)

Popular in

December

Cheapest in

February

Average price

$1,042
Provider with most accurate pricing for Chicago (CHI)-Singapore Changi flight deals.
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Provider most trusted by Cheapflights users for Chicago (CHI)-Singapore Changi flights.
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From Illinois to Singapore
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One-way flight from Illinois to Singapore
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Highest demand for flights based on searches. 9% potential increase in price ($126 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($48 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 Illinois to Singapore

Cheapest flights from Illinois to Singapore
Explore the most affordable flight options available from Illinois to Singapore. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 22, 2025.

This StudentUniverse 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 StudentUniverse is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/192:40 pmORD - SIN
1 stop31h 15mCathay Pacific
Sat 11/298:15 pmSIN - ORD
1 stop30h 45mCathay Pacific
Deal found 4/22$950
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.
Mon 5/54:00 pmORD - SIN
1 stop24h 30mMultiple Airlines
Mon 5/197:45 pmSIN - ORD
2 stops35h 10mMultiple Airlines
Deal found 4/22$954
This Air Canada 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/193:35 pmORD - SIN
2 stops50h 20mAir Canada
Sat 11/2910:00 amSIN - ORD
2 stops24h 25mAir Canada
Deal found 4/22$960
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.
Sat 9/201:30 pmSTL - SIN
2 stops52h 35mAir Canada
Sat 10/189:10 amSIN - STL
2 stops43h 08mAir Canada
Deal found 4/21$1,010
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/911:45 pmORD - SIN
1 stop44h 00mTurkish Airlines
Sun 8/1710:15 amSIN - ORD
1 stop36h 25mTurkish Airlines
Deal found 4/22$1,016
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.
Wed 5/141:55 pmORD - SIN
1 stop30h 45mEtihad Airways
Tue 5/279:10 pmSIN - ORD
1 stop24h 35mEtihad Airways
Deal found 4/21$1,046
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.
Mon 8/1812:00 pmORD - SIN
1 stop44h 45mAir India
Sat 8/2311:00 pmSIN - ORD
1 stop45h 25mAir India
Deal found 4/21$1,082
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.
Wed 10/11:05 amORD - SIN
1 stop27h 25mJapan Airlines
Tue 10/79:50 pmSIN - ORD
1 stop24h 15mJapan Airlines
Deal found 4/21$1,083
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.
Tue 5/612:30 amORD - SIN
1 stop24h 20mEVA Air
Tue 5/201:10 pmSIN - ORD
1 stop20h 50mEVA Air
Deal found 4/21$1,085
This KAYAK 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/215:45 pmORD - SIN
1 stop23h 55mANA
Mon 8/46:15 amSIN - ORD
1 stop21h 40mANA
Deal found 4/21$1,089
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.
Wed 9/175:49 pmSTL - SIN
1 stop23h 26mUnited Airlines
Wed 10/158:45 amSIN - STL
1 stop20h 57mUnited Airlines
Deal found 4/21$1,094
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.
Tue 4/227:52 pmORD - SIN
1 stop33h 33mUnited Airlines
Tue 4/2911:05 amSIN - ORD
1 stop41h 05mUnited Airlines
Deal found 4/21$1,094

Cheapflights Fare Finder

Customize your flight search to find flights from Illinois to Singapore 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 Illinois to Singapore that are best for you.

Fly from

Illinois

Fly to

Singapore

Route

Depart

Return

Price

ChicagoSingapore

ORD - SIN

ORDSIN

Chicago O'Hare Intl

Mon 5/5

4:00 pm-5:30 am

1 stop24h 30m

Singapore Changi

Mon 5/19

7:45 pm-5:55 pm

2 stops35h 10m

$954

ChicagoSingapore

ORD - SIN

ORDSIN

Chicago O'Hare Intl

Sun 9/7

4:00 pm-5:30 am

1 stop24h 30m

Singapore Changi

Sat 9/20

1:50 am-2:25 pm

1 stop25h 35m

$970

ChicagoSingapore

ORD - SIN

ORDSIN

Chicago O'Hare Intl

Sat 5/31

8:01 pm-7:05 am

2 stops46h 04m

Singapore Changi

Sat 6/7

9:10 am-12:45 pm

2 stops40h 35m

$1,001

ChicagoSingapore

ORD - SIN

ORDSIN

Chicago O'Hare Intl

Sat 8/9

11:45 pm-8:45 am

1 stop44h 00m

Singapore Changi

Sun 8/17

10:15 am-9:40 am

1 stop36h 25m

$1,016

ChicagoSingapore

ORD - SIN

ORDSIN

Chicago O'Hare Intl

Wed 5/14

1:55 pm-9:40 am

1 stop30h 45m

Singapore Changi

Tue 5/27

9:10 pm-8:45 am

1 stop24h 35m

$1,046

ChicagoSingapore

ORD - SIN

ORDSIN

Chicago O'Hare Intl

Mon 8/18

12:00 pm-9:45 pm

1 stop44h 45m

Singapore Changi

Sat 8/23

11:00 pm-7:25 am

1 stop45h 25m

$1,082

ChicagoSingapore

ORD - SIN

ORDSIN

Chicago O'Hare Intl

Wed 10/1

1:05 am-5:30 pm

1 stop27h 25m

Singapore Changi

Tue 10/7

9:50 pm-9:05 am

1 stop24h 15m

$1,083

ChicagoSingapore

ORD - SIN

ORDSIN

Chicago O'Hare Intl

Tue 5/6

12:30 am-1:50 pm

1 stop24h 20m

Singapore Changi

Tue 5/20

1:10 pm-9:00 pm

1 stop20h 50m

$1,085

ChicagoSingapore

ORD - SIN

ORDSIN

Chicago O'Hare Intl

Mon 7/21

5:45 pm-6:40 am

1 stop23h 55m

Singapore Changi

Mon 8/4

6:15 am-2:55 pm

1 stop21h 40m

$1,089

St. LouisSingapore

STL - SIN

STLSIN

Lambert-St Louis

Sun 5/11

6:11 pm-6:25 pm

1 stop35h 14m

Singapore Changi

Wed 5/21

9:00 am-4:52 pm

1 stop20h 52m

$1,103

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/20

Showing 1-10 of 52 results
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Best time to book a flight from Illinois to Singapore

Have a flexible travel schedule? Discover the best time to fly to Singapore from Illinois 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 Illinois to Singapore

What is the cheapest month to book a flight from Illinois to Singapore?

Currently, September is the cheapest month in which you can book a flight from Illinois to Singapore (average of $1,011). Flying from Illinois to Singapore in December is currently the most expensive (average of $1,684). 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 IL to SG?

Find hourly flight availability from Illinois to Singapore. 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 Illinois to Singapore as you normally would.

Rainfall in Singapore by month

Plan your trip to Singapore by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Singapore ranges from 5.9 - 10.6 inches per month. December is typically the wettest month, when rainfall can reach 10.6 in. July is typically the driest time to visit Singapore when rainfall is around 5.9 in.

Temperature in Singapore by month

Plan your trip to Singapore by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Singapore, use this chart to help with planning. For those seeking warmer temperatures, March is the ideal time of year to visit, when temperatures reach an average of 82.4 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 78.8 F).

Reviews of airlines servicing Singapore

Get insights into the airlines that provide service to Singapore. 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 Singapore. Reviews last updated April 22, 2025.
See what other customers who have flown with EVA Air, Korean Air and Japan Airlines from Illinois to Singapore have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
EVA Air
8.4
Very good
1,180 reviews

Comfort

8.3

Entertainment

8.0

Overall

8.4

Crew

8.6

Food

8.1

Boarding

8.4

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

Comfort

8.3

Entertainment

8.0

Overall

8.4

Crew

8.6

Food

8.1

Boarding

8.4

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

Comfort

8.3

Entertainment

8.0

Overall

8.4

Crew

8.6

Food

8.1

Boarding

8.4

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

Comfort

8.3

Entertainment

8.0

Overall

8.4

Crew

8.6

Food

8.1

Boarding

8.4

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

Comfort

8.3

Entertainment

8.0

Overall

8.4

Crew

8.6

Food

8.1

Boarding

8.4

Reviews

1 / 20
10.0
Excellent

Gary,Apr 2025

DPS - TPE

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

Comfort

8.3

Entertainment

8.0

Overall

8.4

Crew

8.6

Food

8.1

Boarding

8.4

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 Illinois to Singapore. 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 Illinois to Singapore one-way?

    One-way options have recently been found by users for as low as $404 on Cathay Pacific. Other airlines that offer cheap prices include IndiGo from $492 and Air India from $530 one-way.

  • Can I find deals for flights from Illinois to Singapore that include hotel bookings?

    Yes. In addition to deals on Illinois to Singapore flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Illinois to Singapore?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Illinois to Singapore.

  • Can I find deals for business class flights from Illinois to Singapore?

    Yes. Cheapflights offers flight deals from Illinois to Singapore 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 Illinois to Singapore?

    Currently, September is the cheapest month in which you can book a flight from Illinois to Singapore (average of $1,011). Flying from Illinois to Singapore in December is currently the most expensive (average of $1,684). 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

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Alternative routes for Illinois to Singapore

See prices for flight routes from nearby airports that may be better suited for you.
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Top 10 airlines flying from Illinois to Singapore

Discover the top 10 airlines that operate flights from Illinois to Singapore. 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
Turkish AirlinesCheapest$736Average$925FlexibilityNo cancel feeOn-time77%
Japan AirlinesCheapest$741Average$845FlexibilityNo cancel feeOn-time79%
Cathay PacificCheapest$821Average$1,014FlexibilityNo cancel feeOn-time72%
United AirlinesCheapest$885Average$1,331FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$895Average$1,253FlexibilityNo cancel feeOn-time67%
Korean AirCheapest$985Average$1,400FlexibilityNo cancel feeOn-time81%
EVA AirCheapest$1,074Average$1,322FlexibilityNo cancel feeOn-time74%
ANACheapest$1,086Average$1,687FlexibilityNo cancel feeOn-time80%
Qatar AirwaysCheapest$1,189Average$1,232FlexibilityNo cancel feeOn-time68%
FinnairCheapest$1,203Average$1,349FlexibilityNo cancel feeOn-time76%

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