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Cheap flights from Chicago O'Hare Intl Airport to Singapore from $341

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Chicago O'Hare Intl Airport to Singapore departing on 2/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Chicago O'Hare Intl Airport to Singapore

Cheap round-trip flights

Enter your travel dates to find the best prices.
Air India Logo
1:30 pm - 6:55 pmORD-SIN
39h 25m1 stop
Air India Logo
8:00 pm - 11:30 amSIN-ORD
29h 30m2 stops
$936Air India
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Sun, Jan 4 - Tue, Jan 20
Air India Logo
1:30 pm - 7:00 amORD-SIN
27h 30m1 stop
Air India Logo
8:00 pm - 11:30 amSIN-ORD
29h 30m2 stops
$937Air India
Find Deal
Sun, Dec 7 - Sun, Dec 14
Cathay Pacific Logo
2:35 pm - 5:40 amORD-SIN
25h 05m1 stop
Cathay Pacific Logo
8:15 pm - 12:55 pmSIN-ORD
30h 40m1 stop
$938Cathay Pacific
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Fri, Jan 16 - Mon, Mar 2
Cathay Pacific Logo
2:35 pm - 7:15 pmORD-SIN
38h 40m1 stop
Cathay Pacific Logo
1:25 am - 12:55 pmSIN-ORD
25h 30m1 stop
$940Cathay Pacific
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Wed, Feb 11 - Sun, Mar 1
Turkish Airlines Logo
8:20 pm - 10:00 amORD-SIN
23h 40m1 stop
Turkish Airlines Logo
5:15 am - 6:25 pmSIN-ORD
27h 10m1 stop
$948Turkish Airlines
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Mon, Jan 12 - Sat, Mar 7
Turkish Airlines Logo
11:50 am - 8:45 amORD-SIN
30h 55m1 stop
Turkish Airlines Logo
11:25 pm - 10:05 amSIN-ORD
24h 40m1 stop
$952Turkish Airlines
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Mon, Dec 1 - Mon, Dec 8
Air Canada Logo
8:46 am - 7:05 amORD-SIN
33h 19m1 stop
Air Canada Logo
9:10 am - 8:02 amSIN-ORD
35h 52m2 stops
$957Air Canada
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Tue, Apr 14 - Thu, Apr 23
Air Canada Logo
3:40 pm - 11:15 amORD-SIN
30h 35m2 stops
Air Canada Logo
9:10 am - 5:07 pmSIN-ORD
44h 57m2 stops
$958Air Canada
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Wed, Apr 15 - Thu, Apr 23
Qatar Airways Logo
6:50 pm - 2:55 pmORD-SIN
30h 05m1 stop
Qatar Airways Logo
3:15 am - 2:45 pmSIN-ORD
25h 30m1 stop
$984Qatar Airways
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Mon, Feb 9 - Sat, Mar 7
Qatar Airways Logo
6:50 pm - 2:55 pmORD-SIN
30h 05m1 stop
Qatar Airways Logo
3:15 am - 2:45 pmSIN-ORD
25h 30m1 stop
$985Qatar Airways
Find Deal
Mon, Feb 9 - Sat, Mar 7

Air India flights from Chicago O'Hare Intl Airport to Singapore

Our best Air India deals on Chicago O'Hare Intl Airport to Singapore flight tickets
Air India
Jan 4
ORD1:30 pmChicago O'Hare Intl
39h 25m
1 stop
SIN6:55 pmSingapore Changi
Jan 20
SIN8:00 pmSingapore Changi
29h 30m
2 stops
ORD11:30 amChicago O'Hare Intl
$936
Find similar
Air India
Dec 7
ORD1:30 pmChicago O'Hare Intl
27h 30m
1 stop
SIN7:00 amSingapore Changi
Dec 14
SIN8:00 pmSingapore Changi
29h 30m
2 stops
ORD11:30 amChicago O'Hare Intl
$937
Find similar
Air India
Dec 1
ORD1:30 pmChicago O'Hare Intl
27h 30m
1 stop
SIN7:00 amSingapore Changi
Dec 8
SIN11:00 pmSingapore Changi
50h 30m
2 stops
ORD11:30 amChicago O'Hare Intl
$946
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Cathay Pacific flights from Chicago O'Hare Intl Airport to Singapore

Our best Cathay Pacific deals on Chicago O'Hare Intl Airport to Singapore flight tickets
Cathay Pacific
Jan 16
ORD2:35 pmChicago O'Hare Intl
25h 05m
1 stop
SIN5:40 amSingapore Changi
Mar 2
SIN8:15 pmSingapore Changi
30h 40m
1 stop
ORD12:55 pmChicago O'Hare Intl
$938
Find similar
Cathay Pacific
Feb 11
ORD2:35 pmChicago O'Hare Intl
38h 40m
1 stop
SIN7:15 pmSingapore Changi
Mar 1
SIN1:25 amSingapore Changi
25h 30m
1 stop
ORD12:55 pmChicago O'Hare Intl
$940
Find similar
Cathay Pacific
Dec 8
ORD2:35 pmChicago O'Hare Intl
31h 20m
1 stop
SIN11:55 amSingapore Changi
Dec 15
SIN8:15 pmSingapore Changi
30h 40m
1 stop
ORD12:55 pmChicago O'Hare Intl
$965
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momondo Fare Finder

 
Customize your flight search to find flights from Chicago O'Hare Intl Airport 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 November 9, 2025.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Singapore that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ChicagoSingapore

ORD - SIN

ORDSIN

Chicago O'Hare Intl

Sun 1/4

1:30 pm-6:55 pm

1 stop39h 25m

Singapore Changi

Tue 1/20

8:00 pm-11:30 am

2 stops29h 30m

$936

ChicagoSingapore

ORD - SIN

ORDSIN

Chicago O'Hare Intl

Sun 12/7

1:30 pm-7:00 am

1 stop27h 30m

Singapore Changi

Sun 12/14

8:00 pm-11:30 am

2 stops29h 30m

$937

ChicagoSingapore

ORD - SIN

ORDSIN

Chicago O'Hare Intl

Fri 1/16

2:35 pm-5:40 am

1 stop25h 05m

Singapore Changi

Mon 3/2

8:15 pm-12:55 pm

1 stop30h 40m

$938

ChicagoSingapore

ORD - SIN

ORDSIN

Chicago O'Hare Intl

Wed 2/11

2:35 pm-7:15 pm

1 stop38h 40m

Singapore Changi

Sun 3/1

1:25 am-12:55 pm

1 stop25h 30m

$940

ChicagoSingapore

ORD - SIN

ORDSIN

Chicago O'Hare Intl

Mon 1/12

8:20 pm-10:00 am

1 stop23h 40m

Singapore Changi

Sat 3/7

5:15 am-6:25 pm

1 stop27h 10m

$948

ChicagoSingapore

ORD - SIN

ORDSIN

Chicago O'Hare Intl

Mon 12/1

11:50 am-8:45 am

1 stop30h 55m

Singapore Changi

Mon 12/8

11:25 pm-10:05 am

1 stop24h 40m

$952

ChicagoSingapore

ORD - SIN

ORDSIN

Chicago O'Hare Intl

Tue 4/14

8:46 am-7:05 am

1 stop33h 19m

Singapore Changi

Thu 4/23

9:10 am-8:02 am

2 stops35h 52m

$957

ChicagoSingapore

ORD - SIN

ORDSIN

Chicago O'Hare Intl

Wed 4/15

3:40 pm-11:15 am

2 stops30h 35m

Singapore Changi

Thu 4/23

9:10 am-5:07 pm

2 stops44h 57m

$958

ChicagoSingapore

ORD - SIN

ORDSIN

Chicago O'Hare Intl

Mon 2/9

6:50 pm-2:55 pm

1 stop30h 05m

Singapore Changi

Sat 3/7

3:15 am-2:45 pm

1 stop25h 30m

$984

ChicagoSingapore

ORD - SIN

ORDSIN

Chicago O'Hare Intl

Mon 2/9

6:50 pm-2:55 pm

1 stop30h 05m

Singapore Changi

Sat 3/7

3:15 am-2:45 pm

1 stop25h 30m

$985

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 Chicago O'Hare Intl Airport 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 typical price of a round-trip flight between Chicago O'Hare Intl Airport and Singapore?

What is the cheapest month to fly to Singapore?

The month of February is, on average, the cheapest month to fly to Singapore from Chicago O'Hare Intl Airport, with most prices found around $850. If you aren’t able to travel to Singapore during the month of February, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $857.

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

The cheapest day to depart from Chicago O'Hare Intl Airport to Singapore is on a Tuesday when prices can be found for as low as $1,166. The most expensive day to fly to Singapore is Friday, with ticket prices averaging around $1,365.

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

At noon is the cheapest time of day to fly from Chicago O'Hare Intl Airport to Singapore when you can find flight prices for as low as $1,148. Flying to Singapore at noon is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $1,434 on average. Flights to Singapore from Chicago O'Hare Intl Airport in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.

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

You are more likely to see cheaper flights to Singapore from Chicago O'Hare Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Singapore for around $1,125 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Singapore from Chicago O'Hare Intl Airport for as low as $1,029 on momondo.

How have Chicago O'Hare Intl Airport to Singapore flight prices changed over time?

As of November 2025, prices for Chicago O'Hare Intl Airport to Singapore flights are approximately 34% cheaper when compared to flights at the same time last year.

When to book flights from Chicago O'Hare Intl Airport to Singapore

Are you open to changing your travel dates? Check out the ideal times to fly from Chicago O'Hare Intl Airport to Singapore according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Chicago O'Hare Intl Airport to Singapore (ORD to SIN) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago O'Hare Intl Airport to Singapore

Direct flights

None
There are no direct flights from Chicago O'Hare Intl Airport to Singapore. There are no popular flight routes from Chicago O'Hare Intl Airport to Singapore.
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  • How far is Chicago O'Hare Intl to Singapore Changi by plane?

    Chicago O'Hare Intl and Singapore Changi are 9350.8 mi apart from one another. Flights usually cover this in 22h 55m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Chicago O'Hare Intl Airport to Singapore Changi Airport?

    Prices for flights from Chicago O'Hare Intl Airport to Singapore Changi Airport refresh daily.

  • How many operators does momondo search for flights from Chicago O'Hare Intl Airport to Singapore Changi Airport?

  • How old do you have to be to fly from Chicago O'Hare Intl Airport to Singapore Changi Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Chicago O'Hare Intl Airport to Singapore Changi Airport.

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

    The travel and health documents required for your trip to Singapore Changi Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Singapore Changi Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular airline from Chicago O'Hare Intl Airport to Singapore?

Best airlines flying from Chicago O'Hare Intl Airport to Singapore

Compare and see reviews for airlines that fly from Chicago O'Hare Intl Airport to Singapore with momondo
Airline
Rating
Free Cancellation
Price
Air IndiaPriceFrom $675Free CancellationRating
5.5
2,941 reviews
Search Air India flights
Cathay PacificPriceFrom $701Free CancellationRating
7.6
1,055 reviews
Search Cathay Pacific flights
United AirlinesPriceFrom $709Free CancellationRating
7.4
9,012 reviews
Search United Airlines flights
Turkish AirlinesPriceFrom $744Free CancellationRating
7.3
4,035 reviews
Search Turkish Airlines flights
Japan AirlinesPriceFrom $791Free CancellationRating
8.3
1,607 reviews
Search Japan Airlines flights
Qatar AirwaysPriceFrom $850Free CancellationRating
7.4
3,661 reviews
Search Qatar Airways flights
Air CanadaPriceFrom $884Free CancellationRating
7.1
10,429 reviews
Search Air Canada flights
Etihad AirwaysPriceFrom $909Free CancellationRating
7.4
1,288 reviews
Search Etihad Airways flights
Korean AirPriceFrom $940Free CancellationRating
8.4
1,161 reviews
Search Korean Air flights
ANAPriceFrom $1,024Free CancellationRating
8.4
1,003 reviews
Search ANA flights

Why use momondo?

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

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 Chicago to Singapore for you.

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

Flights from Chicago to Singapore with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

momondo provides multiple filters to help you find the best flight to Singapore from Chicago. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Yes. momondo can track prices for Chicago 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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