What is the cheapest airline that flies from Singapore to Illinois?

Air Canada, IndiGo, and Korean Air are the most popular carriers operating from Singapore to Illinois

When did momondo last update prices for flights from Singapore to Illinois?

Prices for flights from Singapore to Illinois were last updated today.

How many operators does momondo search for flights from Singapore to Illinois?

There are 2 operators available for flights from Singapore to Illinois as of September 2025.

How old do you have to be to fly from Singapore to Illinois?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Singapore to Illinois.

What documentation or ID do you need to fly to Illinois?

The necessary travel and health documents for your Illinois trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$512 Cheap Flights from Singapore to Illinois in 2025

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Find the cheapest flights from Singapore to Illinois

Round-trip

One-way

Recent round-trip flight deals from Singapore to Illinois

9:10 am - 12:32 pmSIN-ORD

40h 22m2 stops

3:35 pm - 7:00 amORD-SIN

50h 25m2 stops

$797Air Canada

Find Deal

Sat, Oct 18 - Sat, Oct 25

9:10 am - 5:10 pmSIN-ORD

45h 00m2 stops

1:10 pm - 7:00 amORD-SIN

28h 50m1 stop

$817Air Canada

Find Deal

Sun, Oct 19 - Sun, Oct 26

10:45 am - 5:16 amSIN-ORD

32h 31m2 stops

4:25 pm - 6:55 amORD-SIN

24h 30m1 stop

$850ANA

Find Deal

Mon, Nov 10 - Sun, Nov 30

6:35 am - 1:50 pmSIN-ORD

21h 15m1 stop

4:25 pm - 6:55 amORD-SIN

24h 30m1 stop

$856ANA

Find Deal

Thu, Nov 13 - Sun, Nov 30

8:40 pm - 5:13 amSIN-ORD

21h 33m1 stop

5:35 pm - 6:55 amORD-SIN

24h 20m1 stop

$902

Find Deal

Sat, Oct 11 - Sun, Oct 26

1:50 am - 2:25 pmSIN-ORD

25h 35m1 stop

4:00 pm - 5:30 amORD-SIN

24h 30m1 stop

$951Cathay Pacific

Find Deal

Thu, Sep 18 - Fri, Sep 26

1:25 pm - 2:25 pmSIN-ORD

38h 00m1 stop

4:00 pm - 5:40 amORD-SIN

24h 40m1 stop

$953Cathay Pacific

Find Deal

Sat, Oct 18 - Sat, Oct 25

10:20 pm - 11:30 amSIN-ORD

27h 10m1 stop

6:55 am - 8:15 pmORD-SIN

23h 20m1 stop

$957United Airlines

Find Deal

Wed, Nov 12 - Wed, Dec 3

8:45 am - 8:07 pmSIN-ORD

24h 22m1 stop

6:15 am - 6:25 pmORD-SIN

23h 10m1 stop

$958United Airlines

Find Deal

Fri, Oct 17 - Fri, Oct 24

2:00 am - 6:22 amSIN-ORD

41h 22m2 stops

3:25 pm - 1:05 pmORD-SIN

31h 40m2 stops

$963

Find Deal

Sun, Oct 26 - Thu, Nov 13

Air Canada flights from Singapore to Illinois

Our best Air Canada deals on Singapore to Illinois flight tickets

Air Canada

Oct 18

SIN9:10 amSingapore Changi

40h 22m

2 stops

ORD12:32 pmChicago O'Hare Intl

Oct 25

ORD3:35 pmChicago O'Hare Intl

50h 25m

2 stops

SIN7:00 amSingapore Changi

$797

Find similar

Air Canada

Oct 19

SIN9:10 amSingapore Changi

45h 00m

2 stops

ORD5:10 pmChicago O'Hare Intl

Oct 26

ORD1:10 pmChicago O'Hare Intl

28h 50m

1 stop

SIN7:00 amSingapore Changi

$817

Find similar

Air Canada

Oct 19

SIN9:10 amSingapore Changi

45h 00m

2 stops

ORD5:10 pmChicago O'Hare Intl

Oct 26

ORD8:45 amChicago O'Hare Intl

33h 15m

2 stops

SIN7:00 amSingapore Changi

$819

Find similar

Cathay Pacific flights from Singapore to Illinois

Our best Cathay Pacific deals on Singapore to Illinois flight tickets

Cathay Pacific

Sep 18

SIN1:50 amSingapore Changi

25h 35m

1 stop

ORD2:25 pmChicago O'Hare Intl

Sep 26

ORD4:00 pmChicago O'Hare Intl

24h 30m

1 stop

SIN5:30 amSingapore Changi

$951

Find similar

Cathay Pacific

Oct 18

SIN1:25 pmSingapore Changi

38h 00m

1 stop

ORD2:25 pmChicago O'Hare Intl

Oct 25

ORD4:00 pmChicago O'Hare Intl

24h 40m

1 stop

SIN5:40 amSingapore Changi

$953

Find similar

Cathay Pacific

Oct 6

SIN1:50 amSingapore Changi

25h 35m

1 stop

ORD2:25 pmChicago O'Hare Intl

Oct 14

ORD4:00 pmChicago O'Hare Intl

24h 30m

1 stop

SIN5:30 amSingapore Changi

$956

Find similar

Fly from

Fly to

Route

Depart

Return

Price

SingaporeChicago

SIN - ORD

SINORD

Singapore Changi

Sat 10/18

9:10 am-12:32 pm

2 stops40h 22m

Chicago O'Hare Intl

Sat 10/25

3:35 pm-7:00 am

2 stops50h 25m

$797

SingaporeChicago

SIN - ORD

SINORD

Singapore Changi

Sun 10/19

9:10 am-5:10 pm

2 stops45h 00m

Chicago O'Hare Intl

Sun 10/26

1:10 pm-7:00 am

1 stop28h 50m

$817

SingaporeChicago

SIN - ORD

SINORD

Singapore Changi

Mon 11/10

10:45 am-5:16 am

2 stops32h 31m

Chicago O'Hare Intl

Sun 11/30

4:25 pm-6:55 am

1 stop24h 30m

$850

SingaporeChicago

SIN - ORD

SINORD

Singapore Changi

Thu 11/13

6:35 am-1:50 pm

1 stop21h 15m

Chicago O'Hare Intl

Sun 11/30

4:25 pm-6:55 am

1 stop24h 30m

$856

SingaporeChicago

SIN - ORD

SINORD

Singapore Changi

Sat 10/11

8:40 pm-5:13 am

1 stop21h 33m

Chicago O'Hare Intl

Sun 10/26

5:35 pm-6:55 am

1 stop24h 20m

$902

SingaporeChicago

SIN - ORD

SINORD

Singapore Changi

Thu 9/18

1:50 am-2:25 pm

1 stop25h 35m

Chicago O'Hare Intl

Fri 9/26

4:00 pm-5:30 am

1 stop24h 30m

$951

SingaporeChicago

SIN - ORD

SINORD

Singapore Changi

Sat 10/18

1:25 pm-2:25 pm

1 stop38h 00m

Chicago O'Hare Intl

Sat 10/25

4:00 pm-5:40 am

1 stop24h 40m

$953

SingaporeChicago

SIN - ORD

SINORD

Singapore Changi

Wed 11/12

10:20 pm-11:30 am

1 stop27h 10m

Chicago O'Hare Intl

Wed 12/3

6:55 am-8:15 pm

1 stop23h 20m

$957

SingaporeChicago

SIN - ORD

SINORD

Singapore Changi

Fri 10/17

8:45 am-8:07 pm

1 stop24h 22m

Chicago O'Hare Intl

Fri 10/24

6:15 am-6:25 pm

1 stop23h 10m

$958

SingaporeChicago

SIN - ORD

SINORD

Singapore Changi

Sun 10/26

2:00 am-6:22 am

2 stops41h 22m

Chicago O'Hare Intl

Thu 11/13

3:25 pm-1:05 pm

2 stops31h 40m

$963

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Singapore to Illinois

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest month to fly to Illinois?

The cheapest month to fly to Illinois from Singapore is in October. Flight prices, which tend to average around $930, are often lower during this time because this is during the off-season. If you aren’t able to travel to Illinois during the month of October, then flying in April is also cheap. Prices for this month can be found on momondo for an average of $934.

What is the cheapest day to depart on your flight to Illinois?

The cheapest day to depart from Singapore to Illinois is on a Monday when prices can be found for as low as $1,114. Flights from Singapore to Illinois on a Thursday will generally be more expensive and average around $1,564. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Illinois?

Our most recent data shows that the best time of day to fly to Illinois is at noon. Flights from Singapore to Illinois during this time can be as low as $1,166. Flights in the morning are often more expensive with an average ticket price of $1,286.

How far in advance should I book a flight to Illinois?

You are more likely to see cheaper flights to Illinois from Singapore when booking weeks ahead of your departure date. In general, you can expect to find flights to Illinois for around $1,219 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Illinois from Singapore for as low as $947 on momondo.

Can stopping save me money on Singapore to Illinois flights?

You could potentially save up to 17% on your flight if you consider stops on a Singapore to Illinois flight.

Cheap Singapore to Illinois flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Singapore to Illinois

Direct flights	None

There are no direct flights from Singapore to Illinois. There are no popular flight routes from Singapore to Illinois.

Search flight deals

When did momondo last update prices for flights from Singapore to Illinois?
Prices for flights from Singapore to Illinois were last updated today.
How many operators does momondo search for flights from Singapore to Illinois?
There are 2 operators available for flights from Singapore to Illinois as of September 2025.
How old do you have to be to fly from Singapore to Illinois?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Singapore to Illinois.
What documentation or ID do you need to fly to Illinois?
The necessary travel and health documents for your Illinois trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Singapore to Illinois

Compare and see reviews for airlines that fly from Singapore to Illinois with momondo

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $802	Free Cancellation	Rating 7.4 8,937 reviews		Search United Airlines flights
Cathay Pacific	PriceFrom $871	Free Cancellation	Rating 7.6 986 reviews		Search Cathay Pacific flights

Why use momondo?

Why should I use momondo to find a flight deal from Singapore to Illinois?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Singapore to Illinois for you.

Can I find flights from Singapore to Illinois with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Illinois from Singapore with this policy.

How can momondo help me find flights from Singapore to Illinois?

momondo helps you find the best flight between Singapore and Illinois by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Singapore to Illinois right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Illinois, momondo offers a useful price alert feature which will track prices for flights to Illinois from Singapore and alert you when they change.