How long does it take to fly to Singapore?

The flight from Illinois to Singapore depends on which airports you’re departing and arriving from and whether or not you have a layover. If you fly from Chicago (a popular airport in Illinois) to Singapore (the most popular airport in Singapore), then the flight time is 24h 18m on average. If you fly from Moline (another popular airport in Illinois) to Singapore, then the average flight time is 37h 28m.

What airlines fly to Singapore?

United Airlines, Cathay Pacific and EVA Air are the top three most popular airlines that fly to Singapore from Illinois according to our data. United Airlines is the first choice among our users, with 44% of people opting to fly with this airline when traveling to Singapore. Keep in mind that there are 12 different airlines that fly to Singapore on a routine basis, so you have a few additional options to choose from.

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

Etihad Airways, United Airlines, and Delta are the most popular carriers operating from Illinois to Singapore Changi

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

Prices for flights from Illinois to Singapore Changi Airport refresh daily.

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

As of April 2026, there are 12 operators available to choose from for flights from Illinois to Singapore Changi Airport.

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

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Illinois to Singapore Changi Airport.

What documentation or ID do you need to fly to Singapore Changi Airport?

The required travel and health documents for your Singapore Changi Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Singapore Changi Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$417 Cheap Flights from Illinois to Singapore in 2026

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Find the cheapest flights from Illinois to Singapore

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

2:00 pm - 9:40 am

ORD

SIN

30h 40m

1 stop

9:00 pm - 8:35 am

SIN

ORD

24h 35m

1 stop

$956Etihad Airways

Sat, May 2 - Sun, May 31

1:00 pm - 9:50 am

ORD

SIN

31h 50m

1 stop

9:00 pm - 8:35 am

SIN

ORD

24h 35m

1 stop

$965Etihad Airways

Thu, Apr 23 - Fri, May 15

12:27 pm - 8:50 am

STL

SIN

31h 23m

2 stops

7:40 pm - 10:19 pm

SIN

STL

39h 39m

2 stops

$1,150Qatar Airways

Mon, Apr 27 - Mon, May 4

2:33 pm - 3:45 pm

STL

SIN

36h 12m

2 stops

3:15 am - 7:33 pm

SIN

STL

29h 18m

2 stops

$1,156Qatar Airways

Tue, May 12 - Mon, May 18

9:29 am - 5:00 am

MDW

SIN

30h 31m

2 stops

10:00 pm - 9:09 pm

SIN

MDW

36h 09m

2 stops

$1,203Delta

Mon, May 4 - Mon, May 11

6:23 am - 11:55 pm

MDW

SIN

28h 32m

2 stops

1:25 am - 9:09 pm

SIN

MDW

32h 44m

2 stops

$1,204Delta

Mon, May 11 - Sun, May 17

12:27 pm - 8:50 am

STL

SIN

31h 23m

2 stops

3:15 am - 11:54 pm

SIN

STL

33h 39m

2 stops

$1,222Multiple Airlines

Thu, Apr 30 - Wed, May 20

4:16 pm - 5:25 am

STL

SIN

48h 09m

3 stops

11:10 pm - 11:19 pm

SIN

STL

61h 09m

3 stops

$1,242Multiple Airlines

Sat, Apr 18 - Sun, Apr 26

10:57 am - 6:10 am

MLI

SIN

30h 13m

2 stops

8:05 am - 11:55 pm

SIN

MLI

28h 50m

3 stops

$5,021American Airlines

Wed, Jun 3 - Fri, Jun 12

5:15 am - 6:10 am

MLI

SIN

35h 55m

2 stops

8:05 am - 11:54 pm

SIN

MLI

28h 49m

3 stops

$5,026American Airlines

Sun, May 10 - Mon, May 18

Delta flights from Illinois to Singapore

Our best Delta deals on Illinois to Singapore flight tickets

Delta

Apr 23

ORD8:50 amChicago O'Hare Intl

26h 05m

2 stops

SIN11:55 pmSingapore Changi

May 13

SIN7:30 amSingapore Changi

27h 20m

2 stops

ORD9:50 pmChicago O'Hare Intl

$1,053

Delta

May 4

MDW9:29 amChicago Midway

30h 31m

2 stops

SIN5:00 amSingapore Changi

May 11

SIN10:00 pmSingapore Changi

36h 09m

2 stops

MDW9:09 pmChicago Midway

$1,203

Delta

May 11

MDW6:23 amChicago Midway

28h 32m

2 stops

SIN11:55 pmSingapore Changi

May 17

SIN1:25 amSingapore Changi

32h 44m

2 stops

MDW9:09 pmChicago Midway

$1,204

Qatar Airways flights from Illinois to Singapore

Our best Qatar Airways deals on Illinois to Singapore flight tickets

Qatar Airways

Apr 8

ORD7:20 pmChicago O'Hare Intl

24h 30m

1 stop

SIN8:50 amSingapore Changi

Apr 28

SIN3:15 amSingapore Changi

24h 50m

1 stop

ORD3:05 pmChicago O'Hare Intl

$998

Qatar Airways

Apr 14

ORD7:20 pmChicago O'Hare Intl

31h 25m

1 stop

SIN3:45 pmSingapore Changi

Apr 22

SIN7:40 pmSingapore Changi

32h 25m

1 stop

ORD3:05 pmChicago O'Hare Intl

$1,004

Qatar Airways

May 11

ORD7:20 pmChicago O'Hare Intl

24h 30m

1 stop

SIN8:50 amSingapore Changi

May 18

SIN7:40 pmSingapore Changi

32h 25m

1 stop

ORD3:05 pmChicago O'Hare Intl

$1,008

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

ChicagoSingapore

ORD - SIN

ORDSIN

Chicago O'Hare Intl

Sat 5/2

2:00 pm-9:40 am

1 stop30h 40m

Singapore Changi

Sun 5/31

9:00 pm-8:35 am

1 stop24h 35m

$956

ChicagoSingapore

ORD - SIN

ORDSIN

Chicago O'Hare Intl

Thu 4/23

1:00 pm-9:50 am

1 stop31h 50m

Singapore Changi

Fri 5/15

9:00 pm-8:35 am

1 stop24h 35m

$965

St. LouisSingapore

STL - SIN

STLSIN

Lambert-St Louis

Mon 4/27

12:27 pm-8:50 am

2 stops31h 23m

Singapore Changi

Mon 5/4

7:40 pm-10:19 pm

2 stops39h 39m

$1,150

St. LouisSingapore

STL - SIN

STLSIN

Lambert-St Louis

Tue 5/12

2:33 pm-3:45 pm

2 stops36h 12m

Singapore Changi

Mon 5/18

3:15 am-7:33 pm

2 stops29h 18m

$1,156

ChicagoSingapore

MDW - SIN

MDWSIN

Chicago Midway

Mon 5/4

9:29 am-5:00 am

2 stops30h 31m

Singapore Changi

Mon 5/11

10:00 pm-9:09 pm

2 stops36h 09m

$1,203

ChicagoSingapore

MDW - SIN

MDWSIN

Chicago Midway

Mon 5/11

6:23 am-11:55 pm

2 stops28h 32m

Singapore Changi

Sun 5/17

1:25 am-9:09 pm

2 stops32h 44m

$1,204

St. LouisSingapore

STL - SIN

STLSIN

Lambert-St Louis

Thu 4/30

12:27 pm-8:50 am

2 stops31h 23m

Singapore Changi

Wed 5/20

3:15 am-11:54 pm

2 stops33h 39m

$1,222

St. LouisSingapore

STL - SIN

STLSIN

Lambert-St Louis

Sat 4/18

4:16 pm-5:25 am

3 stops48h 09m

Singapore Changi

Sun 4/26

11:10 pm-11:19 pm

3 stops61h 09m

$1,242

MolineSingapore

MLI - SIN

MLISIN

Moline Quad-City

Wed 6/3

10:57 am-6:10 am

2 stops30h 13m

Singapore Changi

Fri 6/12

8:05 am-11:55 pm

3 stops28h 50m

$5,021

MolineSingapore

MLI - SIN

MLISIN

Moline Quad-City

Sun 5/10

5:15 am-6:10 am

2 stops35h 55m

Singapore Changi

Mon 5/18

8:05 am-11:54 pm

3 stops28h 49m

$5,026

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 Illinois to Singapore

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

Other information

What is the cheapest month to fly to Singapore?

The month of September is, on average, the cheapest month to fly to Singapore from Illinois, with most prices found around $866. If you aren’t able to travel to Singapore during the month of September, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $881.

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

You are more likely to see cheaper flights to Singapore from Illinois when booking week ahead of your departure date. In general, you can expect to find flights to Singapore for around $1,140 when searching week out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Singapore from Illinois for as low as $984 on momondo.

Can stopping save me money on Illinois to Singapore flights?

You could potentially save up to 3% on your flight if you consider stops on a Illinois to Singapore flight.

Cheap Illinois to Singapore flight deals and tips

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

Fastest flight time	23h 30m
Direct flights	None

The fastest flight from Illinois to Singapore takes 23h 30m

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

Search flight deals

Frequently asked questions about flying from Illinois to Singapore

When did momondo last update prices for flights from Illinois to Singapore Changi Airport?
Prices for flights from Illinois to Singapore Changi Airport refresh daily.
How many operators does momondo search for flights from Illinois to Singapore Changi Airport?
As of April 2026, there are 12 operators available to choose from for flights from Illinois to Singapore Changi Airport.
How old do you have to be to fly from Illinois to Singapore Changi Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Illinois to Singapore Changi Airport.
What documentation or ID do you need to fly to Singapore Changi Airport?
The required travel and health documents for your Singapore Changi Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Singapore Changi Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Illinois to Singapore

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

Airline	Rating	Free Cancellation	Price
Air India	PriceFrom $697	Free Cancellation	Rating 5.5 2,971 reviews	Search Air India flights
ANA	PriceFrom $698	Free Cancellation	Rating 8.4 1,160 reviews	Search ANA flights
Cathay Pacific	PriceFrom $698	Free Cancellation	Rating 7.6 1,234 reviews	Search Cathay Pacific flights
United Airlines	PriceFrom $709	Free Cancellation	Rating 7.4 9,529 reviews	Search United Airlines flights
Korean Air	PriceFrom $758	Free Cancellation	Rating 8.4 1,203 reviews	Search Korean Air flights
Turkish Airlines	PriceFrom $770	Free Cancellation	Rating 7.4 4,291 reviews	Search Turkish Airlines flights
Japan Airlines	PriceFrom $814	Free Cancellation	Rating 8.3 1,760 reviews	Search Japan Airlines flights
Etihad Airways	PriceFrom $829	Free Cancellation	Rating 7.3 1,432 reviews	Search Etihad Airways flights
Air Canada	PriceFrom $872	Free Cancellation	Rating 7.1 10,873 reviews	Search Air Canada flights
Delta	PriceFrom $949	Free Cancellation	Rating 7.9 8,367 reviews	Search Delta flights

Why use momondo?

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

Finding the right flight to Singapore from Illinois is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Singapore quick and easy, saving you time and money.

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

Yes. momondo allows you to filter the results for Illinois to Singapore flights to just show those with flexible booking policies.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Singapore from Illinois.

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

Yes. momondo can track prices for Illinois to Singapore flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.