Singapore

$538+ 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 2/4. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — SIN
Dec 27 — Jan 31
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Cheap flight deals from Illinois to Singapore

Discover tips and strategies to find the most affordable flight options for your journey from Illinois (USIL) to Singapore (SG0). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated December 22, 2024.

Round-trip from

$819
(Flighttix)

One-way from

$539
(oojo)
From Illinois to Singapore
One-way flight from Illinois to Singapore

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 December 22, 2024.

This United Airlines deal was found by Cheapflights users on 12/22. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/2910:00 pmORD - SIN
1 stop32h 15mUnited Airlines
Thu 1/1610:20 pmSIN - ORD
1 stop21h 58mUnited Airlines
Deal found 12/22$1,440
This Delta deal was found by Cheapflights users on 12/22. 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.
Mon 12/306:00 amORD - SIN
2 stops28h 10mDelta
Wed 1/1510:30 pmSIN - ORD
2 stops28h 25mDelta
Deal found 12/22$1,449
This United Airlines deal was found by Cheapflights users on 12/21. 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 12/256:00 amSTL - SIN
2 stops36h 00mUnited Airlines
Tue 12/3110:20 pmSIN - STL
2 stops30h 04mUnited Airlines
Deal found 12/21$1,545
This Kiwi.com deal was found by Cheapflights users on 12/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/312:40 pmORD - SIN
1 stop31h 15mMultiple Airlines
Fri 1/175:00 pmSIN - ORD
2 stops50h 55mMultiple Airlines
Deal found 12/22$1,557
This Justfly.com deal was found by Cheapflights users on 12/21. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/2911:35 amORD - SIN
2 stops30h 20mAir Canada
Sun 1/1910:00 amSIN - ORD
2 stops41h 11mAir Canada
Deal found 12/21$1,685
This Delta deal was found by Cheapflights users on 12/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/295:03 pmMDW - SIN
2 stops41h 07mDelta
Sat 1/181:30 amSIN - MDW
2 stops27h 23mDelta
Deal found 12/21$1,725
This KLM deal was found by Cheapflights users on 12/22. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/294:25 pmORD - SIN
1 stop33h 50mKLM
Sat 1/181:40 amSIN - ORD
1 stop26h 50mKLM
Deal found 12/22$1,965
This CheapOair deal was found by Cheapflights users on 12/21. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/253:50 pmSTL - SIN
2 stops50h 05mMultiple Airlines
Mon 12/303:15 amSIN - STL
2 stops31h 44mMultiple Airlines
Deal found 12/21$2,040
This Japan Airlines deal was found by Cheapflights users on 12/22. 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 Japan Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/307:35 amORD - SIN
2 stops27h 15mJapan Airlines
Fri 1/172:20 amSIN - ORD
1 stop19h 15mJapan Airlines
Deal found 12/22$2,297
This oojo deal was found by Cheapflights users on 12/21. 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 12/2211:30 pmORD - SIN
1 stop22h 35mEVA Air
Sun 12/291:15 pmSIN - ORD
1 stop20h 20mEVA Air
Deal found 12/21$2,399
This Justfly.com deal was found by Cheapflights users on 12/22. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/295:00 amSTL - SIN
2 stops36h 55mAir Canada
Mon 1/61:55 amSIN - STL
2 stops51h 11mAir Canada
Deal found 12/22$2,592
This Qatar Airways deal was found by Cheapflights users on 12/22. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/307:05 pmORD - SIN
1 stop29h 50mQatar Airways
Sun 1/123:15 amSIN - ORD
1 stop25h 15mQatar Airways
Deal found 12/22$2,823

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 December 22, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

ChicagoSingapore

ORD - SIN

ORDSIN

Chicago O'Hare Intl

Sun 1/19

8:25 pm-12:50 am

2 stops38h 25m

Singapore Changi

Mon 2/3

2:20 am-7:31 pm

2 stops31h 11m

$819

ChicagoSingapore

ORD - SIN

ORDSIN

Chicago O'Hare Intl

Sat 2/22

8:30 pm-8:45 am

1 stop22h 15m

Singapore Changi

Wed 3/5

11:25 pm-10:10 am

1 stop24h 45m

$820

ChicagoSingapore

ORD - SIN

ORDSIN

Chicago O'Hare Intl

Tue 2/11

10:35 am-6:40 am

1 stop30h 05m

Singapore Changi

Thu 2/20

8:15 am-7:38 pm

2 stops25h 23m

$823

ChicagoSingapore

ORD - SIN

ORDSIN

Chicago O'Hare Intl

Thu 1/30

2:40 pm-5:40 am

1 stop25h 00m

Singapore Changi

Mon 2/10

1:25 am-1:00 pm

1 stop25h 35m

$834

ChicagoSingapore

MDW - SIN

MDWSIN

Chicago Midway

Tue 2/11

6:00 am-12:10 am

2 stops28h 10m

Singapore Changi

Wed 2/19

1:30 am-10:20 pm

2 stops34h 50m

$955

ChicagoSingapore

ORD - SIN

ORDSIN

Chicago O'Hare Intl

Thu 1/23

6:45 am-5:00 am

2 stops32h 15m

Singapore Changi

Sun 2/9

1:30 am-9:58 pm

2 stops34h 28m

$956

ChicagoSingapore

ORD - SIN

ORDSIN

Chicago O'Hare Intl

Mon 1/13

10:35 am-5:25 pm

1 stop40h 50m

Singapore Changi

Tue 1/28

8:15 am-7:35 am

1 stop37h 20m

$961

ChicagoSingapore

ORD - SIN

ORDSIN

Chicago O'Hare Intl

Wed 2/5

11:25 am-5:00 am

1 stop27h 35m

Singapore Changi

Tue 2/11

1:30 am-8:40 am

1 stop21h 10m

$992

ChicagoSingapore

ORD - SIN

ORDSIN

Chicago O'Hare Intl

Tue 2/4

6:30 am-12:50 am

2 stops28h 20m

Singapore Changi

Tue 2/11

10:25 pm-7:35 am

1 stop23h 10m

$1,039

ChicagoSingapore

ORD - SIN

ORDSIN

Chicago O'Hare Intl

Wed 2/5

7:05 pm-8:45 am

1 stop23h 40m

Singapore Changi

Tue 2/11

3:15 am-2:30 pm

1 stop25h 15m

$1,064

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/22

Showing 1-10 of 40 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 December 22, 2024.

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 December 22, 2024.
See what other customers who have flown with Japan Airlines, Qatar Airways and KLM 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.
8.4
Very good
1,265 reviews

Food

8.0

Entertainment

8.0

Comfort

8.3

Overall

8.4

Boarding

8.4

Crew

8.6

Reviews

1 / 10

The food was HORRIBLE, the flight crew looked as though they’d rather be getting a root canal, and the bathrooms were disgusting.

8.4
Very good
1,265 reviews
8.4
Very good
1,265 reviews

Food

8.0

Entertainment

8.0

Comfort

8.3

Overall

8.4

Boarding

8.4

Crew

8.6

Reviews

1 / 10

The food was HORRIBLE, the flight crew looked as though they’d rather be getting a root canal, and the bathrooms were disgusting.

8.4
Very good
1,025 reviews
8.4
Very good
1,265 reviews

Food

8.0

Entertainment

8.0

Comfort

8.3

Overall

8.4

Boarding

8.4

Crew

8.6

Reviews

1 / 10

The food was HORRIBLE, the flight crew looked as though they’d rather be getting a root canal, and the bathrooms were disgusting.

8.3
Very good
1,440 reviews
8.4
Very good
1,265 reviews

Food

8.0

Entertainment

8.0

Comfort

8.3

Overall

8.4

Boarding

8.4

Crew

8.6

Reviews

1 / 10

The food was HORRIBLE, the flight crew looked as though they’d rather be getting a root canal, and the bathrooms were disgusting.

8.0
Very good
8,594 reviews
8.4
Very good
1,265 reviews

Food

8.0

Entertainment

8.0

Comfort

8.3

Overall

8.4

Boarding

8.4

Crew

8.6

Reviews

1 / 10

The food was HORRIBLE, the flight crew looked as though they’d rather be getting a root canal, and the bathrooms were disgusting.

7.8
Good
1,342 reviews
8.4
Very good
1,265 reviews

Food

8.0

Entertainment

8.0

Comfort

8.3

Overall

8.4

Boarding

8.4

Crew

8.6

Reviews

1 / 10

The food was HORRIBLE, the flight crew looked as though they’d rather be getting a root canal, and the bathrooms were disgusting.

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 $539 on Turkish Airlines. Other airlines that offer cheap prices include Qatar Airways from $559 and Air India from $575 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

Browse thousands of different options on Cheapflights for your next trip

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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.

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 December 22, 2024.
AirlineCheapestAverageFlexibilityOn-time
Turkish AirlinesCheapest$744Average$993FlexibilityNo cancel feeOn-time77%
Japan AirlinesCheapest$783Average$856FlexibilityNo cancel feeOn-time79%
United AirlinesCheapest$836Average$1,559FlexibilityNo cancel feeOn-time69%
Cathay PacificCheapest$870Average$1,039FlexibilityNo cancel feeOn-time72%
Qatar AirwaysCheapest$951Average$1,228FlexibilityNo cancel feeOn-time68%
Singapore AirlinesCheapest$1,065Average$1,582FlexibilityNo cancel feeOn-time81%
EVA AirCheapest$1,080Average$1,321FlexibilityNo cancel feeOn-time74%
American AirlinesCheapest$1,200Average$1,280FlexibilityNo cancel feeOn-time71%
Korean AirCheapest$1,238Average$1,436FlexibilityNo cancel feeOn-time81%
DeltaCheapest$1,241Average$1,418FlexibilityNo cancel feeOn-timeN/A
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