What airlines fly to Singapore?

United Airlines, Air Canada and Cathay Pacific are the top three most popular airlines that fly to Singapore from Chicago O'Hare Intl Airport according to our data. United Airlines is the first choice among our users, with 42% of people opting to fly with this airline when traveling to Singapore. Keep in mind that there are 11 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 Chicago O'Hare Intl to Singapore?

Cathay Pacific, Delta, and Etihad Airways are the most popular carriers operating from Chicago O'Hare Intl to Singapore

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

As of November 2026, there are 11 operators available to choose from for flights from Chicago O'Hare Intl Airport to Singapore.

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

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.

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.

$423 Cheap Flights from Chicago O'Hare Intl Airport to Singapore in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Chicago O'Hare Intl Airport to Singapore

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

9:45 am - 2:50 pmORD Chicago O'Hare Intl-SIN Singapore Changi

39h 05m1 stop Addis Ababa Bole

2:00 am - 7:40 amSIN Singapore Changi-ORD Chicago O'Hare Intl

43h 40m2 stops Addis Ababa Bole Rome Fiumicino

$868Ethiopian Air

Wed, Nov 18 - Sat, Nov 28

2:10 pm - 3:40 pmORD Chicago O'Hare Intl-SIN Singapore Changi

35h 30m1 stop Hong Kong Intl

8:20 pm - 1:30 pmSIN Singapore Changi-ORD Chicago O'Hare Intl

30h 10m1 stop Hong Kong Intl

$896Cathay Pacific

Mon, Feb 22 - Mon, Mar 15

2:10 pm - 4:50 pmORD Chicago O'Hare Intl-SIN Singapore Changi

36h 40m1 stop Hong Kong Intl

6:00 pm - 1:30 pmSIN Singapore Changi-ORD Chicago O'Hare Intl

32h 30m1 stop Hong Kong Intl

$896Cathay Pacific

Mon, Feb 22 - Tue, Mar 16

11:10 am - 12:15 amORD Chicago O'Hare Intl-SIN Singapore Changi

23h 05m1 stop Incheon Intl

10:30 pm - 8:30 amSIN Singapore Changi-ORD Chicago O'Hare Intl

24h 00m1 stop Incheon Intl

$919Korean Air

Thu, Jan 21 - Mon, Feb 15

11:10 am - 12:15 amORD Chicago O'Hare Intl-SIN Singapore Changi

23h 05m1 stop Incheon Intl

1:40 am - 8:30 amSIN Singapore Changi-ORD Chicago O'Hare Intl

20h 50m1 stop Incheon Intl

$919Korean Air

Tue, Jan 19 - Wed, Feb 17

8:15 pm - 10:00 amORD Chicago O'Hare Intl-SIN Singapore Changi

23h 45m1 stop Istanbul

4:35 am - 7:20 pmSIN Singapore Changi-ORD Chicago O'Hare Intl

27h 45m1 stop Istanbul

$921Turkish Airlines

Mon, Mar 8 - Wed, Mar 17

12:45 pm - 12:50 amORD Chicago O'Hare Intl-SIN Singapore Changi

23h 05m1 stop Tokyo Narita

8:05 am - 3:10 pmSIN Singapore Changi-ORD Chicago O'Hare Intl

20h 05m1 stop Tokyo Narita

$928American Airlines

Mon, Mar 22 - Thu, Apr 1

11:45 am - 5:40 pmORD Chicago O'Hare Intl-SIN Singapore Changi

39h 55m1 stop Istanbul

11:40 am - 6:20 pmSIN Singapore Changi-ORD Chicago O'Hare Intl

44h 40m1 stop Istanbul

$930Turkish Airlines

Wed, Dec 2 - Wed, Dec 9

6:00 am - 8:25 pmORD Chicago O'Hare Intl-SIN Singapore Changi

48h 25m2 stops Seattle/Tacoma Intl Incheon Intl

1:40 am - 11:55 pmSIN Singapore Changi-ORD Chicago O'Hare Intl

36h 15m2 stops Incheon Intl Seattle/Tacoma Intl

$930Delta

Wed, Jan 20 - Tue, Feb 16

7:00 am - 12:15 amORD Chicago O'Hare Intl-SIN Singapore Changi

27h 15m2 stops Detroit Metropolitan Wayne County Incheon Intl

1:40 am - 11:55 pmSIN Singapore Changi-ORD Chicago O'Hare Intl

36h 15m2 stops Incheon Intl Seattle/Tacoma Intl

$930Delta

Thu, Jan 21 - Tue, Feb 16

Cheap last minute flights

Enter your travel dates to find the best prices.

11:45 am - 10:00 amORD Chicago O'Hare Intl-SIN Singapore Changi

32h 15m1 stop Istanbul

10:25 am - 10:00 amSIN Singapore Changi-ORD Chicago O'Hare Intl

37h 35m1 stop Istanbul

$930Turkish Airlines

Mon, Nov 9 - Tue, Nov 24

9:21 pm - 6:55 amORD Chicago O'Hare Intl-SIN Singapore Changi

43h 34m2 stops Toronto Pearson Intl Tokyo Haneda

8:40 am - 8:00 amSIN Singapore Changi-ORD Chicago O'Hare Intl

37h 20m2 stops Vancouver Intl Montreal Pierre Elliott Trudeau Intl

$1,039Air Canada

Sat, Nov 14 - Fri, Nov 20

9:21 pm - 6:55 amORD Chicago O'Hare Intl-SIN Singapore Changi

43h 34m2 stops Toronto Pearson Intl Tokyo Haneda

8:40 am - 7:59 pmSIN Singapore Changi-ORD Chicago O'Hare Intl

25h 19m1 stop Vancouver Intl

$1,048Air Canada

Sat, Nov 14 - Fri, Nov 20

8:15 pm - 6:50 amORD Chicago O'Hare Intl-SIN Singapore Changi

44h 35m1 stop Istanbul

11:40 am - 10:00 amSIN Singapore Changi-ORD Chicago O'Hare Intl

36h 20m1 stop Istanbul

$1,131Turkish Airlines

Sat, Nov 14 - Fri, Nov 20

2:31 pm - 8:45 amORD Chicago O'Hare Intl-SIN Singapore Changi

28h 14m2 stops New York John F Kennedy Intl Doha Hamad Intl

3:15 am - 2:30 pmSIN Singapore Changi-ORD Chicago O'Hare Intl

25h 15m1 stop Doha Hamad Intl

$1,243Qatar Airways

Mon, Nov 9 - Mon, Nov 23

2:31 pm - 8:45 amORD Chicago O'Hare Intl-SIN Singapore Changi

28h 14m2 stops New York John F Kennedy Intl Doha Hamad Intl

9:20 pm - 2:30 pmSIN Singapore Changi-ORD Chicago O'Hare Intl

31h 10m2 stops Kuala Lumpur Intl Doha Hamad Intl

$1,307Qatar Airways

Mon, Nov 9 - Tue, Nov 24

9:30 am - 8:45 amORD Chicago O'Hare Intl-SIN Singapore Changi

33h 15m2 stops Seattle/Tacoma Intl Doha Hamad Intl

8:15 pm - 12:11 pmSIN Singapore Changi-ORD Chicago O'Hare Intl

29h 56m2 stops Doha Hamad Intl New York John F Kennedy Intl

$1,346Multiple Airlines

Wed, Nov 11 - Mon, Nov 30

8:15 pm - 5:40 pmORD Chicago O'Hare Intl-SIN Singapore Changi

31h 25m1 stop Istanbul

7:30 pm - 7:30 amSIN Singapore Changi-ORD Chicago O'Hare Intl

26h 00m2 stops Kuala Lumpur Intl Tokyo Narita

$1,445Multiple Airlines

Wed, Nov 11 - Mon, Nov 30

11:30 pm - 12:05 pmORD Chicago O'Hare Intl-SIN Singapore Changi

22h 35m1 stop Taipei City Taiwan Taoyuan Intl

3:45 pm - 7:35 pmSIN Singapore Changi-ORD Chicago O'Hare Intl

41h 50m1 stop Taipei City Taiwan Taoyuan Intl

$1,591EVA Air

Tue, Nov 10 - Mon, Nov 30

11:30 pm - 12:05 pmORD Chicago O'Hare Intl-SIN Singapore Changi

22h 35m1 stop Taipei City Taiwan Taoyuan Intl

3:45 pm - 7:35 pmSIN Singapore Changi-ORD Chicago O'Hare Intl

41h 50m1 stop Taipei City Taiwan Taoyuan Intl

$1,591EVA Air

Wed, Nov 11 - Mon, Nov 30

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

Our best Korean Air deals on Chicago O'Hare Intl Airport to Singapore flight tickets

Korean Air

Jan 19

ORD11:10 amChicago O'Hare Intl

23h 05m

1 stop

SIN12:15 amSingapore Changi

Feb 17

SIN1:40 amSingapore Changi

20h 50m

1 stop

ORD8:30 amChicago O'Hare Intl

$919

Korean Air

Jan 22

ORD11:10 amChicago O'Hare Intl

43h 15m

1 stop

SIN8:25 pmSingapore Changi

Feb 15

SIN1:40 amSingapore Changi

20h 50m

1 stop

ORD8:30 amChicago O'Hare Intl

$969

Korean Air

Jan 22

ORD11:10 amChicago O'Hare Intl

23h 05m

1 stop

SIN12:15 amSingapore Changi

Feb 12

SIN1:40 amSingapore Changi

20h 50m

1 stop

ORD8:30 amChicago O'Hare Intl

$1,019

Delta flights from Chicago O'Hare Intl Airport to Singapore

Our best Delta deals on Chicago O'Hare Intl Airport to Singapore flight tickets

Delta

Jan 19

ORD6:00 amChicago O'Hare Intl

28h 15m

2 stops

SIN12:15 amSingapore Changi

Feb 14

SIN10:30 pmSingapore Changi

37h 02m

2 stops

ORD9:32 pmChicago O'Hare Intl

$930

Delta

Jan 24

ORD7:21 pmChicago O'Hare Intl

38h 54m

2 stops

SIN12:15 amSingapore Changi

Feb 17

SIN1:40 amSingapore Changi

36h 15m

2 stops

ORD11:55 pmChicago O'Hare Intl

$935

Delta

Jan 18

ORD7:59 pmChicago O'Hare Intl

38h 16m

2 stops

SIN12:15 amSingapore Changi

Jan 27

SIN1:40 amSingapore Changi

33h 56m

2 stops

ORD9:36 pmChicago O'Hare Intl

$979

momondo Fare Finder

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

Cheapest round-trip

ChicagoSingapore

ORD Chicago O'Hare Intl - SIN Singapore Changi

ORDSIN

Chicago O'Hare Intl

Wed 11/18

9:45 am-2:50 pm

1 stop39h 05m

Singapore Changi

Sat 11/28

2:00 am-7:40 am

2 stops43h 40m

$868

ChicagoSingapore

ORD Chicago O'Hare Intl - SIN Singapore Changi

ORDSIN

Chicago O'Hare Intl

Mon 2/22

2:10 pm-3:40 pm

1 stop35h 30m

Singapore Changi

Mon 3/15

8:20 pm-1:30 pm

1 stop30h 10m

$896

ChicagoSingapore

ORD Chicago O'Hare Intl - SIN Singapore Changi

ORDSIN

Chicago O'Hare Intl

Mon 2/22

2:10 pm-4:50 pm

1 stop36h 40m

Singapore Changi

Tue 3/16

6:00 pm-1:30 pm

1 stop32h 30m

$896

ChicagoSingapore

ORD Chicago O'Hare Intl - SIN Singapore Changi

ORDSIN

Chicago O'Hare Intl

Thu 1/21

11:10 am-12:15 am

1 stop23h 05m

Singapore Changi

Mon 2/15

10:30 pm-8:30 am

1 stop24h 00m

$919

ChicagoSingapore

ORD Chicago O'Hare Intl - SIN Singapore Changi

ORDSIN

Chicago O'Hare Intl

Tue 1/19

11:10 am-12:15 am

1 stop23h 05m

Singapore Changi

Wed 2/17

1:40 am-8:30 am

1 stop20h 50m

$919

ChicagoSingapore

ORD Chicago O'Hare Intl - SIN Singapore Changi

ORDSIN

Chicago O'Hare Intl

Mon 3/8

8:15 pm-10:00 am

1 stop23h 45m

Singapore Changi

Wed 3/17

4:35 am-7:20 pm

1 stop27h 45m

$921

Quickest round-trip

ChicagoSingapore

ORD Chicago O'Hare Intl - SIN Singapore Changi

ORDSIN

Chicago O'Hare Intl

Mon 3/22

12:45 pm-12:50 am

1 stop23h 05m

Singapore Changi

Thu 4/1

8:05 am-3:10 pm

1 stop20h 05m

$928

ChicagoSingapore

ORD Chicago O'Hare Intl - SIN Singapore Changi

ORDSIN

Chicago O'Hare Intl

Wed 12/2

11:45 am-5:40 pm

1 stop39h 55m

Singapore Changi

Wed 12/9

11:40 am-6:20 pm

1 stop44h 40m

$930

ChicagoSingapore

ORD Chicago O'Hare Intl - SIN Singapore Changi

ORDSIN

Chicago O'Hare Intl

Wed 1/20

6:00 am-8:25 pm

2 stops48h 25m

Singapore Changi

Tue 2/16

1:40 am-11:55 pm

2 stops36h 15m

$930

ChicagoSingapore

ORD Chicago O'Hare Intl - SIN Singapore Changi

ORDSIN

Chicago O'Hare Intl

Thu 1/21

7:00 am-12:15 am

2 stops27h 15m

Singapore Changi

Tue 2/16

1:40 am-11:55 pm

2 stops36h 15m

$930

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 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

Prices

Airlines

What is the cheapest month to fly to Singapore?

The month of January is, on average, the cheapest month to fly to Singapore from Chicago O'Hare Intl Airport, with most prices found around $927. If you aren’t able to travel to Singapore during the month of January, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $972.

How far in advance should I book a flight from Chicago O'Hare Intl Airport 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 $1,184 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 $957 on momondo.

Can stopping save me money on Chicago O'Hare Intl Airport to Singapore flights?

You could potentially save up to 8% on your flight if you consider stops on a Chicago O'Hare Intl Airport to Singapore flight.

Cheap Chicago O'Hare Intl Airport to Singapore flight deals and tips

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

Best Price Found	$423
Fastest flight time	23h 45m
Direct flights	None

The best one-way flight to Singapore from Chicago O'Hare Intl Airport in the past 72 hours is $423. The best round-trip flight deal from Chicago O'Hare Intl Airport to Singapore found on momondo in the last 72 hours is $868.

The fastest flight from Chicago O'Hare Intl Airport to Singapore takes 23h 45m

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.

Search flight deals

Frequently asked questions about flying from Chicago O'Hare Intl Airport to Singapore

When did momondo last update prices for flights from Chicago O'Hare Intl Airport to Singapore?
Prices for flights from Chicago O'Hare Intl Airport to Singapore refresh daily.
How many operators does momondo search for flights from Chicago O'Hare Intl Airport to Singapore?
As of November 2026, there are 11 operators available to choose from for flights from Chicago O'Hare Intl Airport to Singapore.
How old do you have to be to fly from Chicago O'Hare Intl Airport to Singapore?
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.
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 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
Japan Airlines	PriceFrom $770	Free Cancellation	Rating 8.3 1,969 reviews	Search Japan Airlines flights
Korean Air	PriceFrom $792	Free Cancellation	Rating 8.4 1,218 reviews	Search Korean Air flights
United Airlines	PriceFrom $795	Free Cancellation	Rating 7.3 10,469 reviews	Search United Airlines flights
Etihad Airways	PriceFrom $829	Free Cancellation	Rating 7.3 1,555 reviews	Search Etihad Airways flights
Turkish Airlines	PriceFrom $829	Free Cancellation	Rating 7.4 4,469 reviews	Search Turkish Airlines flights
Cathay Pacific	PriceFrom $838	Free Cancellation	Rating 7.6 1,539 reviews	Search Cathay Pacific flights
Air Canada	PriceFrom $843	Free Cancellation	Rating 7.1 11,874 reviews	Search Air Canada flights
ANA	PriceFrom $860	Free Cancellation	Rating 8.3 1,339 reviews	Search ANA flights
Delta	PriceFrom $949	Free Cancellation	Rating 7.8 8,698 reviews	Search Delta flights
Qatar Airways	PriceFrom $963	Free Cancellation	Rating 7.4 3,707 reviews	Search Qatar Airways flights

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Singapore from Chicago.

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 offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Chicago to Singapore.

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

Yes momondo offers price alerts on flights to Singapore from Chicago. 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.

An easier way to manage your Singapore trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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Cheap flights from Chicago O'Hare Intl Airport to Singapore from $423

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

Our best Korean Air deals on Chicago O'Hare Intl Airport to Singapore flight tickets

Delta flights from Chicago O'Hare Intl Airport to Singapore

Our best Delta deals on Chicago O'Hare Intl Airport to Singapore flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Singapore that are best for you.

See travel insights to Singapore from

How to get the cheapest flight ticket from Chicago O'Hare Intl Airport to Singapore

What is the cheapest month to fly to Singapore?

How far in advance should I book a flight from Chicago O'Hare Intl Airport to Singapore?

Can stopping save me money on Chicago O'Hare Intl Airport to Singapore flights?

What is the cheapest airline that flies from Chicago O'Hare Intl to Singapore?

What airlines fly to Singapore?

Cheap Chicago O'Hare Intl Airport to Singapore flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying 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

Why use momondo?

An easier way to manage your Singapore trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Singapore

Popular cities in Singapore

Popular flights according to clicks in the last 7 days on momondo

Chicago O'Hare Intl Airport flight routes

According to popular flight searches on momondo this year

Singapore flight routes

According to popular flight searches on momondo this year

Fly your favorite airline to Singapore

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Singapore

List of cabin classes available on flights landing in Singapore. Availability may vary depending on flight origin and airline.

Complete your trip to Singapore

Explore popular destinations other users love

According to popular flight searches on momondo this year