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$458+ 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 4/19. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — SIN
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
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 February 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$836
(Gotogate)

One-way from

$458
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$889
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. 7% potential increase in price ($101 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($45 potential savings vs. average RT price).
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Average for round-trip flights in February 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 February 20, 2025.

This Gotogate deal was found by Cheapflights users on 2/20. 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.
Wed 4/97:50 pmORD - SIN
1 stop33h 05mTurkish Airlines
Fri 4/189:10 amSIN - ORD
1 stop37h 30mTurkish Airlines
Deal found 2/20$836
This Justfly.com deal was found by Cheapflights users on 2/19. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/1012:00 pmORD - SIN
1 stop41h 55mAir India
Sun 3/238:00 pmSIN - ORD
1 stop24h 30mAir India
Deal found 2/19$853
This FlightHub deal was found by Cheapflights users on 2/19. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/314:00 pmORD - SIN
1 stop24h 30mCathay Pacific
Mon 4/148:05 pmSIN - ORD
1 stop31h 20mCathay Pacific
Deal found 2/19$864
This Gurufare deal was found by Cheapflights users on 2/19. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/81:10 pmORD - SIN
1 stop30h 25mEtihad Airways
Mon 3/247:25 pmSIN - ORD
1 stop27h 00mEtihad Airways
Deal found 2/19$889
This United Airlines deal was found by Cheapflights users on 2/19. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/205:00 amORD - SIN
2 stops26h 15mUnited Airlines
Thu 3/2710:20 pmSIN - ORD
1 stop20h 57mUnited Airlines
Deal found 2/19$962
This Kiwi.com deal was found by Cheapflights users on 2/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/77:16 pmORD - SIN
1 stop33h 19mMultiple Airlines
Tue 4/153:15 pmSIN - ORD
2 stops27h 30mMultiple Airlines
Deal found 2/20$978
This Alaska Airlines deal was found by Cheapflights users on 2/20. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/97:50 pmORD - SIN
1 stop30h 05mAlaska Airlines
Sun 3/233:15 amSIN - ORD
1 stop25h 15mAlaska Airlines
Deal found 2/20$1,001
This FlightHub deal was found by Cheapflights users on 2/20. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/207:40 pmORD - SIN
1 stop30h 15mQatar Airways
Sun 11/92:00 amSIN - ORD
1 stop26h 30mQatar Airways
Deal found 2/20$1,063
This Air Canada deal was found by Cheapflights users on 2/19. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/309:00 amORD - SIN
2 stops33h 05mAir Canada
Tue 10/79:10 amSIN - ORD
1 stop33h 15mAir Canada
Deal found 2/19$1,066
This United deal was found by Cheapflights users on 2/19. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/114:45 pmSTL - SIN
2 stops36h 40mUnited Airlines
Wed 5/218:40 pmSIN - STL
3 stops38h 35mUnited Airlines
Deal found 2/19$1,097
This American Airlines deal was found by Cheapflights users on 2/20. 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.
Sun 9/141:05 amORD - SIN
1 stop27h 25mAmerican Airlines
Thu 10/28:05 amSIN - ORD
1 stop20h 40mAmerican Airlines
Deal found 2/20$1,102
This Delta deal was found by Cheapflights users on 2/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/314:59 pmMDW - SIN
2 stops37h 56mDelta
Mon 4/1410:30 pmSIN - MDW
2 stops27h 05mDelta
Deal found 2/19$1,106

Find flights from Illinois to Singapore within your budget

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 February 20, 2025.

Fly from

Illinois

Fly to

Singapore

Route

Depart

Return

Price

ChicagoSingapore

ORD - SIN

ORDSIN

Chicago O'Hare Intl

Wed 4/9

7:50 pm-5:55 pm

1 stop33h 05m

Singapore Changi

Fri 4/18

9:10 am-9:40 am

1 stop37h 30m

$836

ChicagoSingapore

ORD - SIN

ORDSIN

Chicago O'Hare Intl

Mon 3/10

12:00 pm-6:55 pm

1 stop41h 55m

Singapore Changi

Sun 3/23

8:00 pm-7:30 am

1 stop24h 30m

$853

ChicagoSingapore

ORD - SIN

ORDSIN

Chicago O'Hare Intl

Mon 3/31

4:00 pm-5:30 am

1 stop24h 30m

Singapore Changi

Mon 4/14

8:05 pm-2:25 pm

1 stop31h 20m

$864

ChicagoSingapore

ORD - SIN

ORDSIN

Chicago O'Hare Intl

Sat 3/8

1:10 pm-9:35 am

1 stop30h 25m

Singapore Changi

Mon 3/24

7:25 pm-9:25 am

1 stop27h 00m

$889

ChicagoSingapore

ORD - SIN

ORDSIN

Chicago O'Hare Intl

Thu 3/20

5:00 am-8:15 pm

2 stops26h 15m

Singapore Changi

Thu 3/27

10:20 pm-6:17 am

1 stop20h 57m

$962

ChicagoSingapore

ORD - SIN

ORDSIN

Chicago O'Hare Intl

Mon 4/7

7:16 pm-5:35 pm

1 stop33h 19m

Singapore Changi

Tue 4/15

3:15 pm-5:45 am

2 stops27h 30m

$978

ChicagoSingapore

ORD - SIN

ORDSIN

Chicago O'Hare Intl

Sun 3/9

7:50 pm-2:55 pm

1 stop30h 05m

Singapore Changi

Sun 3/23

3:15 am-3:30 pm

1 stop25h 15m

$1,001

ChicagoSingapore

ORD - SIN

ORDSIN

Chicago O'Hare Intl

Sun 3/9

7:50 pm-2:55 pm

1 stop30h 05m

Singapore Changi

Sun 3/23

3:15 am-5:33 pm

2 stops51h 18m

$1,091

St. LouisSingapore

STL - SIN

STLSIN

Lambert-St Louis

Sun 5/11

4:45 pm-6:25 pm

2 stops36h 40m

Singapore Changi

Wed 5/21

9:00 am-4:52 pm

1 stop20h 52m

$1,097

ChicagoSingapore

ORD - SIN

ORDSIN

Chicago O'Hare Intl

Sun 4/6

8:52 am-7:05 am

2 stops33h 13m

Singapore Changi

Sun 4/13

9:10 am-5:10 pm

2 stops45h 00m

$1,104

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/20

Showing 1-10 of 46 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.

Travel insights for flights from Illinois to Singapore

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

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 February 20, 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 February 20, 2025.
See what other customers who have flown with EVA Air, Korean Air and ANA 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
1,200 reviews

Crew

8.6

Food

8.0

Comfort

8.2

Overall

8.4

Boarding

8.4

Entertainment

8.0

Reviews

1 / 20

10.0
Excellent

Piotr,Feb 2025

TPE - ORD

It is always a pleasure to travel with EVA Air.

EVA Air
8.4
Very good
1,200 reviews
EVA Air
8.4
Very good
1,200 reviews

Crew

8.6

Food

8.0

Comfort

8.2

Overall

8.4

Boarding

8.4

Entertainment

8.0

Reviews

1 / 20

10.0
Excellent

Piotr,Feb 2025

TPE - ORD

It is always a pleasure to travel with EVA Air.

Korean Air
8.4
Very good
1,037 reviews
EVA Air
8.4
Very good
1,200 reviews

Crew

8.6

Food

8.0

Comfort

8.2

Overall

8.4

Boarding

8.4

Entertainment

8.0

Reviews

1 / 20

10.0
Excellent

Piotr,Feb 2025

TPE - ORD

It is always a pleasure to travel with EVA Air.

ANA
8.4
Very good
842 reviews
EVA Air
8.4
Very good
1,200 reviews

Crew

8.6

Food

8.0

Comfort

8.2

Overall

8.4

Boarding

8.4

Entertainment

8.0

Reviews

1 / 20

10.0
Excellent

Piotr,Feb 2025

TPE - ORD

It is always a pleasure to travel with EVA Air.

Delta
8.0
Very good
8,220 reviews
EVA Air
8.4
Very good
1,200 reviews

Crew

8.6

Food

8.0

Comfort

8.2

Overall

8.4

Boarding

8.4

Entertainment

8.0

Reviews

1 / 20

10.0
Excellent

Piotr,Feb 2025

TPE - ORD

It is always a pleasure to travel with EVA Air.

Alaska Airlines
8.0
Very good
9,692 reviews
EVA Air
8.4
Very good
1,200 reviews

Crew

8.6

Food

8.0

Comfort

8.2

Overall

8.4

Boarding

8.4

Entertainment

8.0

Reviews

1 / 20

10.0
Excellent

Piotr,Feb 2025

TPE - ORD

It is always a pleasure to travel with EVA Air.

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 $465 on Air India. Other airlines that offer cheap prices include IndiGo from $484 and Etihad Airways from $525 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 February 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
Japan AirlinesCheapest$741Average$845FlexibilityNo cancel feeOn-time79%
Turkish AirlinesCheapest$744Average$992FlexibilityNo cancel feeOn-time77%
Cathay PacificCheapest$847Average$1,019FlexibilityNo cancel feeOn-time72%
United AirlinesCheapest$873Average$1,479FlexibilityNo cancel feeOn-time69%
Korean AirCheapest$985Average$1,331FlexibilityNo cancel feeOn-time81%
Singapore AirlinesCheapest$1,065Average$1,582FlexibilityNo cancel feeOn-time81%
EVA AirCheapest$1,080Average$1,350FlexibilityNo cancel feeOn-time74%
Qatar AirwaysCheapest$1,199Average$1,248FlexibilityNo cancel feeOn-time68%
American AirlinesCheapest$1,200Average$1,280FlexibilityNo cancel feeOn-time71%
FinnairCheapest$1,203Average$1,637FlexibilityNo cancel feeOn-time76%
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