Cheap flights from Illinois to Singapore from $463

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Illinois to Singapore departing on 9/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Etihad Airways Logo
9:10 pm - 9:40 am
ORD
-
SIN
23h 30m
1 stop
Etihad Airways Logo
9:00 pm - 3:40 pm
SIN
-
ORD
31h 40m
1 stop
$1,173Etihad Airways
Thu, Jul 30 - Sat, Aug 8
Etihad Airways Logo
2:00 pm - 9:40 am
ORD
-
SIN
30h 40m
1 stop
Etihad Airways Logo
9:00 pm - 8:35 am
SIN
-
ORD
24h 35m
1 stop
$1,174Etihad Airways
Sat, Jul 4 - Fri, Jul 10
Qatar Airways Logo
7:20 pm - 3:45 pm
ORD
-
SIN
31h 25m
1 stop
Qatar Airways Logo
7:15 pm - 3:05 pm
SIN
-
ORD
32h 50m
2 stops
$1,181Qatar Airways
Mon, Aug 17 - Wed, Sep 2
Etihad Airways Logo
2:00 pm - 9:40 am
ORD
-
SIN
30h 40m
1 stop
Etihad Airways Logo
9:00 pm - 8:35 am
SIN
-
ORD
24h 35m
1 stop
$1,182Etihad Airways
Thu, Jun 11 - Fri, Jun 19
Qatar Airways Logo
7:20 pm - 10:15 am
ORD
-
SIN
25h 55m
2 stops
Qatar Airways Logo
9:15 pm - 3:05 pm
SIN
-
ORD
30h 50m
2 stops
$1,183Qatar Airways
Sun, Aug 23 - Sat, Sep 12
Qatar Airways Logo
7:20 pm - 9:15 pm
ORD
-
SIN
36h 55m
1 stop
Qatar Airways Logo
3:35 pm - 3:05 pm
SIN
-
ORD
36h 30m
2 stops
$1,184Qatar Airways
Sun, Aug 16 - Wed, Sep 2
Turkish Airlines Logo
11:25 am - 8:45 am
ORD
-
SIN
32h 20m
1 stop
Turkish Airlines Logo
12:50 pm - 9:40 am
SIN
-
ORD
33h 50m
1 stop
$1,187Turkish Airlines
Wed, Aug 19 - Sat, Aug 29
ANA Logo
7:00 am - 6:40 am
ORD
-
SIN
34h 40m
2 stops
ANA Logo
6:15 am - 4:51 am
SIN
-
ORD
35h 36m
2 stops
$1,189ANA
Mon, Jun 29 - Mon, Jul 6
Delta Logo
9:20 am - 5:00 am
MDW
-
SIN
30h 40m
2 stops
Delta Logo
1:25 am - 9:45 pm
SIN
-
MDW
33h 20m
2 stops
$1,395Delta
Sun, Sep 27 - Fri, Oct 16
Delta Logo
5:25 pm - 12:10 am
MDW
-
SIN
40h 45m
2 stops
Delta Logo
10:40 am - 9:45 pm
SIN
-
MDW
25h 05m
2 stops
$1,430Delta
Sun, Nov 1 - Fri, Nov 13

Air Canada flights from Illinois to Singapore

Our best Air Canada deals on Illinois to Singapore flight tickets
Air Canada
Sep 27
ORD11:05 amChicago O'Hare Intl
29h 10m
2 stops
SIN5:15 amSingapore Changi
Oct 17
SIN7:00 amSingapore Changi
26h 12m
2 stops
ORD8:12 pmChicago O'Hare Intl
$1,219
Air Canada
Oct 8
ORD8:45 amChicago O'Hare Intl
31h 30m
2 stops
SIN5:15 amSingapore Changi
Oct 17
SIN7:00 amSingapore Changi
26h 12m
2 stops
ORD8:12 pmChicago O'Hare Intl
$1,223
Air Canada
Nov 13
ORD6:40 pmChicago O'Hare Intl
70h 20m
2 stops
SIN7:00 amSingapore Changi
Nov 29
SIN8:50 amSingapore Changi
63h 00m
2 stops
ORD9:50 amChicago O'Hare Intl
$1,224

Lufthansa flights from Illinois to Singapore

Our best Lufthansa deals on Illinois to Singapore flight tickets
Lufthansa
Oct 13
STL3:30 pmLambert-St Louis
26h 20m
1 stop
SIN6:50 amSingapore Changi
Oct 27
SIN11:55 pmSingapore Changi
28h 00m
1 stop
STL2:55 pmLambert-St Louis
$1,577
Lufthansa
Oct 13
STL1:29 pmLambert-St Louis
38h 01m
2 stops
SIN4:30 pmSingapore Changi
Oct 27
SIN11:55 pmSingapore Changi
28h 00m
1 stop
STL2:55 pmLambert-St Louis
$1,657

momondo 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, momondo users made 832,500 searches. Data last updated May 17, 2026.
Use the filters below to find and compare flights from Illinois to Singapore that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

ChicagoSingapore

ORD - SIN

ORDSIN

Chicago O'Hare Intl

Thu 7/30

9:10 pm-9:40 am

1 stop23h 30m

Singapore Changi

Sat 8/8

9:00 pm-3:40 pm

1 stop31h 40m

$1,173

ChicagoSingapore

ORD - SIN

ORDSIN

Chicago O'Hare Intl

Sat 7/4

2:00 pm-9:40 am

1 stop30h 40m

Singapore Changi

Fri 7/10

9:00 pm-8:35 am

1 stop24h 35m

$1,174

ChicagoSingapore

ORD - SIN

ORDSIN

Chicago O'Hare Intl

Mon 8/17

7:20 pm-3:45 pm

1 stop31h 25m

Singapore Changi

Wed 9/2

7:15 pm-3:05 pm

2 stops32h 50m

$1,181

ChicagoSingapore

ORD - SIN

ORDSIN

Chicago O'Hare Intl

Thu 6/11

2:00 pm-9:40 am

1 stop30h 40m

Singapore Changi

Fri 6/19

9:00 pm-8:35 am

1 stop24h 35m

$1,182

ChicagoSingapore

ORD - SIN

ORDSIN

Chicago O'Hare Intl

Sun 8/23

7:20 pm-10:15 am

2 stops25h 55m

Singapore Changi

Sat 9/12

9:15 pm-3:05 pm

2 stops30h 50m

$1,183

ChicagoSingapore

ORD - SIN

ORDSIN

Chicago O'Hare Intl

Sun 8/16

7:20 pm-9:15 pm

1 stop36h 55m

Singapore Changi

Wed 9/2

3:35 pm-3:05 pm

2 stops36h 30m

$1,184

ChicagoSingapore

ORD - SIN

ORDSIN

Chicago O'Hare Intl

Wed 8/19

11:25 am-8:45 am

1 stop32h 20m

Singapore Changi

Sat 8/29

12:50 pm-9:40 am

1 stop33h 50m

$1,187

ChicagoSingapore

ORD - SIN

ORDSIN

Chicago O'Hare Intl

Mon 6/29

7:00 am-6:40 am

2 stops34h 40m

Singapore Changi

Mon 7/6

6:15 am-4:51 am

2 stops35h 36m

$1,189

ChicagoSingapore

MDW - SIN

MDWSIN

Chicago Midway

Sun 9/27

9:20 am-5:00 am

2 stops30h 40m

Singapore Changi

Fri 10/16

1:25 am-9:45 pm

2 stops33h 20m

$1,395

ChicagoSingapore

MDW - SIN

MDWSIN

Chicago Midway

Sun 11/1

5:25 pm-12:10 am

2 stops40h 45m

Singapore Changi

Fri 11/13

10:40 am-9:45 pm

2 stops25h 05m

$1,430

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Singapore from

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

What is the cheapest month to fly to Singapore?

The month of January is, on average, the cheapest month to fly to Singapore from Illinois, with most prices found around $492. If you aren’t able to travel to Singapore during the month of January, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $587.

How far in advance should I book a flight from Illinois 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 $1,151 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 $970 on momondo.

Can stopping save me money on Illinois to Singapore flights?

You could potentially save up to 5% 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 22m

Direct flights

None
The fastest flight from Illinois to Singapore takes 23h 22m
There are no direct flights from Illinois to Singapore. There are no popular flight routes from Illinois to Singapore.

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?

  • 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
Cathay PacificPriceFrom $692Free CancellationRating
7.6
1,332 reviews
Search Cathay Pacific flights
United AirlinesPriceFrom $705Free CancellationRating
7.4
9,730 reviews
Search United Airlines flights
Turkish AirlinesPriceFrom $770Free CancellationRating
7.4
4,370 reviews
Search Turkish Airlines flights
Japan AirlinesPriceFrom $814Free CancellationRating
8.3
1,822 reviews
Search Japan Airlines flights
Etihad AirwaysPriceFrom $829Free CancellationRating
7.3
1,439 reviews
Search Etihad Airways flights
ANAPriceFrom $860Free CancellationRating
8.3
1,210 reviews
Search ANA flights
Air CanadaPriceFrom $872Free CancellationRating
7.1
11,055 reviews
Search Air Canada flights
DeltaPriceFrom $949Free CancellationRating
7.9
8,453 reviews
Search Delta flights
EVA AirPriceFrom $1,101Free CancellationRating
8.5
1,449 reviews
Search EVA Air flights
British AirwaysPriceFrom $1,909Free CancellationRating
6.7
7,982 reviews
Search British Airways 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.

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Tue 6/16
Tue 6/23

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