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Cheap flights from Illinois to Singapore from $468

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 8/12. 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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Find the cheapest flights from Illinois to Singapore

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
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
$1,183Etihad Airways
Sun, Jun 7 - Sun, Jun 14
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

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

Qatar Airways flights from Illinois to Singapore

Our best Qatar Airways deals on Illinois to Singapore flight tickets
Qatar Airways
Aug 17
ORD7:20 pmChicago O'Hare Intl
31h 25m
1 stop
SIN3:45 pmSingapore Changi
Sep 2
SIN7:15 pmSingapore Changi
32h 50m
2 stops
ORD3:05 pmChicago O'Hare Intl
$1,181
Qatar Airways
Aug 16
ORD7:20 pmChicago O'Hare Intl
36h 55m
1 stop
SIN9:15 pmSingapore Changi
Sep 2
SIN3:35 pmSingapore Changi
36h 30m
2 stops
ORD3:05 pmChicago O'Hare Intl
$1,184
Qatar Airways
Aug 21
ORD6:00 amChicago O'Hare Intl
26h 15m
2 stops
SIN9:15 pmSingapore Changi
Sep 13
SIN7:40 pmSingapore Changi
32h 25m
1 stop
ORD3:05 pmChicago O'Hare Intl
$1,186

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 6/7

2:00 pm-9:40 am

1 stop30h 40m

Singapore Changi

Sun 6/14

9:00 pm-8:35 am

1 stop24h 35m

$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

22h 45m

Direct flights

None
The fastest flight from Illinois to Singapore takes 22h 45m
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?

    Prices for flights from Illinois to Singapore refresh daily.

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

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

    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.

  • What documentation or ID do you need to fly to Singapore?

    The required travel and health documents for your Singapore 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. 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
9,731 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
11,056 reviews
Search Air Canada flights
DeltaPriceFrom $949Free CancellationRating
7.9
8,449 reviews
Search Delta flights
EVA AirPriceFrom $1,101Free CancellationRating
8.5
1,451 reviews
Search EVA Air flights
British AirwaysPriceFrom $1,909Free CancellationRating
6.7
7,984 reviews
Search British Airways flights

Why use momondo?

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

It is quick and easy to find Illinois to Singapore flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Singapore that suits you.

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 for Illinois to Singapore flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Yes momondo offers price alerts on flights to Singapore from Illinois. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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