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Cheap flights from Illinois to Singapore from $342

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 3/11. 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.
United Airlines Logo
12:40 pm - 6:45 am
ORD
-
SIN
29h 05m
1 stop
United Airlines Logo
8:35 pm - 6:20 am
SIN
-
ORD
22h 45m
1 stop
$783United Airlines
Thu, Apr 30 - Thu, May 14
United Airlines Logo
2:26 pm - 7:00 am
ORD
-
SIN
27h 34m
1 stop
United Airlines Logo
10:10 am - 6:51 pm
SIN
-
ORD
21h 41m
1 stop
$790United Airlines
Mon, Mar 9 - Thu, Mar 12
Air India Logo
1:10 pm - 7:25 am
ORD
-
SIN
29h 15m
1 stop
Air India Logo
11:00 pm - 11:10 am
SIN
-
ORD
49h 10m
2 stops
$848Air India
Fri, Apr 3 - Fri, Apr 10
Air India Logo
1:10 pm - 7:25 am
ORD
-
SIN
29h 15m
1 stop
Air India Logo
8:55 am - 11:10 am
SIN
-
ORD
39h 15m
2 stops
$852Air India
Mon, Jul 20 - Thu, Jul 23
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
$860Etihad Airways
Mon, Apr 6 - Fri, Apr 17
Etihad Airways Logo
1:10 pm - 9:35 am
ORD
-
SIN
30h 25m
1 stop
Etihad Airways Logo
7:25 pm - 7:35 am
SIN
-
ORD
26h 10m
1 stop
$869Etihad Airways
Fri, Feb 27 - Fri, Mar 6
Multiple Airlines Logo
4:20 pm - 5:45 pm
STL
-
SIN
36h 25m
1 stop
Multiple Airlines Logo
9:00 am - 11:59 pm
SIN
-
STL
27h 59m
1 stop
$974Multiple Airlines
Thu, Mar 26 - Thu, Apr 2
Multiple Airlines Logo
4:20 pm - 5:45 pm
STL
-
SIN
36h 25m
1 stop
Multiple Airlines Logo
9:00 am - 11:59 pm
SIN
-
STL
27h 59m
1 stop
$1,109Multiple Airlines
Fri, Mar 27 - Fri, Apr 3
Air Canada Logo
7:30 am - 5:15 am
STL
-
SIN
32h 45m
2 stops
Air Canada Logo
7:00 am - 8:05 pm
SIN
-
STL
26h 05m
2 stops
$1,144Air Canada
Fri, May 15 - Thu, May 21
Air Canada Logo
2:40 pm - 5:15 am
STL
-
SIN
49h 35m
2 stops
Air Canada Logo
7:00 am - 3:46 pm
SIN
-
STL
45h 46m
2 stops
$1,158Air Canada
Mon, Jul 20 - Thu, Aug 6

Qatar Airways flights from Illinois to Singapore

Our best Qatar Airways deals on Illinois to Singapore flight tickets
Qatar Airways
Feb 22
ORD6:50 pmChicago O'Hare Intl
30h 05m
1 stop
SIN2:55 pmSingapore Changi
Feb 28
SIN9:20 pmSingapore Changi
55h 10m
2 stops
ORD2:30 pmChicago O'Hare Intl
$1,111
Qatar Airways
Feb 22
ORD6:50 pmChicago O'Hare Intl
25h 30m
2 stops
SIN10:20 amSingapore Changi
Feb 28
SIN9:20 pmSingapore Changi
55h 10m
2 stops
ORD2:30 pmChicago O'Hare Intl
$1,176
Qatar Airways
Feb 19
EVV7:04 amEvansville Dress Regional
41h 51m
2 stops
SIN2:55 pmSingapore Changi
Feb 22
SIN3:15 amSingapore Changi
34h 31m
2 stops
EVV11:46 pmEvansville Dress Regional
$1,198

Turkish Airlines flights from Illinois to Singapore

Our best Turkish Airlines deals on Illinois to Singapore flight tickets
Turkish Airlines
Apr 30
ORD8:10 pmChicago O'Hare Intl
23h 35m
1 stop
SIN8:45 amSingapore Changi
May 14
SIN11:05 pmSingapore Changi
23h 35m
1 stop
ORD9:40 amChicago O'Hare Intl
$876
Turkish Airlines
Apr 17
ORD11:25 amChicago O'Hare Intl
32h 20m
1 stop
SIN8:45 amSingapore Changi
Apr 24
SIN10:25 amSingapore Changi
36h 15m
1 stop
ORD9:40 amChicago O'Hare Intl
$879
Turkish Airlines
Mar 19
ORD12:50 pmChicago O'Hare Intl
30h 45m
1 stop
SIN8:35 amSingapore Changi
Mar 26
SIN10:15 amSingapore Changi
37h 50m
1 stop
ORD11:05 amChicago O'Hare Intl
$881

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 February 12, 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

ChicagoSingapore

ORD - SIN

ORDSIN

Chicago O'Hare Intl

Thu 4/30

12:40 pm-6:45 am

1 stop29h 05m

Singapore Changi

Thu 5/14

8:35 pm-6:20 am

1 stop22h 45m

$783

ChicagoSingapore

ORD - SIN

ORDSIN

Chicago O'Hare Intl

Mon 3/9

2:26 pm-7:00 am

1 stop27h 34m

Singapore Changi

Thu 3/12

10:10 am-6:51 pm

1 stop21h 41m

$790

ChicagoSingapore

ORD - SIN

ORDSIN

Chicago O'Hare Intl

Fri 4/3

1:10 pm-7:25 am

1 stop29h 15m

Singapore Changi

Fri 4/10

11:00 pm-11:10 am

2 stops49h 10m

$848

ChicagoSingapore

ORD - SIN

ORDSIN

Chicago O'Hare Intl

Mon 7/20

1:10 pm-7:25 am

1 stop29h 15m

Singapore Changi

Thu 7/23

8:55 am-11:10 am

2 stops39h 15m

$852

ChicagoSingapore

ORD - SIN

ORDSIN

Chicago O'Hare Intl

Mon 4/6

2:00 pm-9:40 am

1 stop30h 40m

Singapore Changi

Fri 4/17

9:00 pm-8:35 am

1 stop24h 35m

$860

ChicagoSingapore

ORD - SIN

ORDSIN

Chicago O'Hare Intl

Fri 2/27

1:10 pm-9:35 am

1 stop30h 25m

Singapore Changi

Fri 3/6

7:25 pm-7:35 am

1 stop26h 10m

$869

St. LouisSingapore

STL - SIN

STLSIN

Lambert-St Louis

Thu 3/26

4:20 pm-5:45 pm

1 stop36h 25m

Singapore Changi

Thu 4/2

9:00 am-11:59 pm

1 stop27h 59m

$974

St. LouisSingapore

STL - SIN

STLSIN

Lambert-St Louis

Fri 3/27

4:20 pm-5:45 pm

1 stop36h 25m

Singapore Changi

Fri 4/3

9:00 am-11:59 pm

1 stop27h 59m

$1,109

St. LouisSingapore

STL - SIN

STLSIN

Lambert-St Louis

Fri 5/15

7:30 am-5:15 am

2 stops32h 45m

Singapore Changi

Thu 5/21

7:00 am-8:05 pm

2 stops26h 05m

$1,144

St. LouisSingapore

STL - SIN

STLSIN

Lambert-St Louis

Mon 7/20

2:40 pm-5:15 am

2 stops49h 35m

Singapore Changi

Thu 8/6

7:00 am-3:46 pm

2 stops45h 46m

$1,158

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 September is, on average, the cheapest month to fly to Singapore from Illinois, with most prices found around $849. 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 $876.

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 $1,150 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 62% 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 25m

Direct flights

None
The fastest flight from Illinois to Singapore takes 22h 25m
There are no direct flights from Illinois to Singapore. There are no popular flight routes from Illinois to Singapore.
Search flight deals

  • 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
Air IndiaPriceFrom $675Free CancellationRating
5.5
2,968 reviews
Search Air India flights
ANAPriceFrom $698Free CancellationRating
8.4
1,090 reviews
Search ANA flights
Cathay PacificPriceFrom $698Free CancellationRating
7.6
1,162 reviews
Search Cathay Pacific flights
United AirlinesPriceFrom $709Free CancellationRating
7.4
9,281 reviews
Search United Airlines flights
Turkish AirlinesPriceFrom $799Free CancellationRating
7.3
4,208 reviews
Search Turkish Airlines flights
Etihad AirwaysPriceFrom $830Free CancellationRating
7.3
1,393 reviews
Search Etihad Airways flights
Korean AirPriceFrom $858Free CancellationRating
8.4
1,191 reviews
Search Korean Air flights
Air CanadaPriceFrom $872Free CancellationRating
7.1
10,709 reviews
Search Air Canada flights
Japan AirlinesPriceFrom $988Free CancellationRating
8.3
1,704 reviews
Search Japan Airlines flights
EVA AirPriceFrom $1,086Free CancellationRating
8.4
1,353 reviews
Search EVA Air 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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