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O'Hare Intl

$474+ Cheap flights from Singapore (SIN) to O'Hare Intl (ORD)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/9. Fares are subject to change and may not be available on all flights or dates of travel.
SIN — ORD
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
1 adult, Economy
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Cheapflights Tip: The best prices from Singapore Changi to Chicago O'Hare Intl are usually found in July or September, booked 78 days in advance, depart on a Monday or Sunday and return on a Monday

Cheap flight deals from Singapore to O'Hare Intl

Discover tips and strategies to find the most affordable flight options for your journey from Singapore (SIN) to O'Hare Intl (ORD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 17, 2025.

Round-trip from

$822
(Air Canada)

One-way from

$474
(Kiwi.com)

Popular in

May

Cheapest in

July

Average price

$888
From Singapore Changi to Chicago O'Hare Intl
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One-way flight from Singapore Changi to Chicago O'Hare Intl
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Highest demand for flights based on searches. 13% potential increase in price ($176 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($55 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Singapore to O'Hare Intl

Cheapest flights from Singapore to O'Hare Intl
Explore the most affordable flight options available from Singapore to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2025.

This Air Canada deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/59:10 amSIN - ORD
2 stops35h 51mAir Canada
Sun 10/1910:40 amORD - SIN
2 stops31h 25mAir Canada
Deal found 9/15$822
This Priceline deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/289:10 amSIN - ORD
2 stops35h 51mAir Canada
Sun 10/191:27 pmORD - SIN
2 stops28h 38mAir Canada
Deal found 9/15$844
This Air Canada deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/119:10 amSIN - ORD
2 stops40h 22mAir Canada
Sun 10/268:45 amORD - SIN
2 stops33h 15mAir Canada
Deal found 9/16$845
This Ovago deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/136:15 amSIN - ORD
1 stop39h 25mANA
Mon 10/2012:40 pmORD - SIN
1 stop29h 00mANA
Deal found 9/14$847
This Booking.com deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/2810:10 pmSIN - ORD
1 stop29h 45mANA
Sun 10/195:45 pmORD - SIN
1 stop42h 00mANA
Deal found 9/15$855
This Gotogate deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/510:10 pmSIN - ORD
1 stop30h 00mANA
Sun 10/195:45 pmORD - SIN
1 stop42h 00mANA
Deal found 9/15$858
This Flightnetwork deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/411:05 amSIN - ORD
1 stop41h 05mANA
Sun 10/195:45 pmORD - SIN
1 stop42h 00mANA
Deal found 9/17$860
This Air Canada deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/239:10 amSIN - ORD
2 stops35h 51mAir Canada
Thu 10/303:40 pmORD - SIN
1 stop26h 20mAir Canada
Deal found 9/16$931
This Ticket deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/41:50 amSIN - ORD
1 stop25h 35mCathay Pacific
Sun 10/194:00 pmORD - SIN
1 stop24h 30mCathay Pacific
Deal found 9/16$932

Cheapflights Fare Finder

 
Customize your flight search to find flights from Singapore to O'Hare Intl 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, Cheapflights users made 2,558,603 searches. Data last updated September 17, 2025.
Use the filters below to find and compare flights from Singapore to Chicago O'Hare Intl Airport that are best for you.

Fly from

Singapore

Fly to

O'Hare Intl

Route

Depart

Return

Price

SingaporeChicago

SIN - ORD

SINORD

Singapore Changi

Wed 10/8

8:40 pm-11:46 am

1 stop28h 06m

Chicago O'Hare Intl

Wed 10/29

4:17 pm-7:00 am

1 stop25h 43m

$962

SingaporeChicago

SIN - ORD

SINORD

Singapore Changi

Sun 10/19

8:40 pm-5:25 am

1 stop21h 45m

Chicago O'Hare Intl

Sun 10/26

7:10 am-8:15 pm

1 stop24h 05m

$962

SingaporeChicago

SIN - ORD

SINORD

Singapore Changi

Sat 12/13

10:10 am-11:10 pm

1 stop27h 00m

Chicago O'Hare Intl

Mon 1/5

6:15 am-8:15 pm

1 stop24h 00m

$970

SingaporeChicago

SIN - ORD

SINORD

Singapore Changi

Wed 10/22

1:10 am-9:30 am

1 stop21h 20m

Chicago O'Hare Intl

Thu 10/30

12:15 pm-8:25 pm

1 stop43h 10m

$975

SingaporeChicago

SIN - ORD

SINORD

Singapore Changi

Tue 2/10

10:40 am-10:06 am

2 stops37h 26m

Chicago O'Hare Intl

Fri 2/20

5:45 pm-12:10 am

2 stops40h 25m

$977

SingaporeChicago

SIN - ORD

SINORD

Singapore Changi

Wed 10/22

1:10 am-11:58 pm

2 stops35h 48m

Chicago O'Hare Intl

Thu 10/30

7:37 am-5:00 am

2 stops32h 23m

$977

SingaporeChicago

SIN - ORD

SINORD

Singapore Changi

Fri 10/24

1:10 am-11:58 pm

2 stops35h 48m

Chicago O'Hare Intl

Thu 10/30

7:37 am-12:10 am

2 stops27h 33m

$980

SingaporeChicago

SIN - ORD

SINORD

Singapore Changi

Tue 10/7

1:10 am-9:30 am

1 stop21h 20m

Chicago O'Hare Intl

Wed 10/29

6:08 am-5:00 am

2 stops33h 52m

$1,081

SingaporeChicago

SIN - ORD

SINORD

Singapore Changi

Sun 10/26

1:35 am-9:30 am

1 stop20h 55m

Chicago O'Hare Intl

Thu 11/13

7:33 am-5:00 am

2 stops31h 27m

$1,081

SingaporeChicago

SIN - ORD

SINORD

Singapore Changi

Sat 10/18

1:10 am-11:50 pm

2 stops35h 40m

Chicago O'Hare Intl

Mon 10/27

7:37 am-5:00 am

2 stops32h 23m

$1,086

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/17

Showing 1-10 of 20 results
1
2

Best time to book a flight from Singapore to O'Hare Intl

Have a flexible travel schedule? Discover the best time to fly to O'Hare Intl from Singapore with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Singapore to Chicago O'Hare Intl Airport

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

Use this chart to determine the optimal time to book a round-trip flight from Singapore to O'Hare Intl. Price data was last updated on September 12, 2025.

Booking 78 days in advance of your planned departure date is, on average, the best time to get cheap flights from Singapore to Chicago O'Hare Intl Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Singapore to Chicago O'Hare Intl Airport?

Currently, August is the cheapest month in which you can book a flight from Singapore to Chicago O'Hare Intl Airport (average of $245). Flying from Singapore to Chicago O'Hare Intl Airport in March is currently the most expensive (average of $321). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from SIN to ORD?

Find hourly flight availability from Singapore to O'Hare Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 17, 2025.

It’s optimal to fly from Singapore to Chicago O'Hare Intl Airport at noon. By choosing this option you can save up to 22% on the cost of your flight, compared to a flight in the afternoon.

Reviews of airlines servicing O'Hare Intl

Get insights into the airlines that provide service to O'Hare Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to O'Hare Intl. Reviews last updated September 17, 2025.
Peruse reviews from past customers who have flown with Cathay Pacific and United Airlines from Singapore to Chicago O'Hare Intl Airport to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Cathay Pacific
7.6
Good
998 reviews

Overall

7.6

Comfort

7.6

Crew

8.1

Food

7.3

Boarding

7.9

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

anish,Aug 2025

HKG - KTM

Journey was way better than on the airbus from Toronto to Hongkong , as the economy seats were better .
Cathay Pacific
7.6
Good
998 reviews
Cathay Pacific
7.6
Good
998 reviews

Overall

7.6

Comfort

7.6

Crew

8.1

Food

7.3

Boarding

7.9

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

anish,Aug 2025

HKG - KTM

Journey was way better than on the airbus from Toronto to Hongkong , as the economy seats were better .
United Airlines
7.4
Good
8,926 reviews
Cathay Pacific
7.6
Good
998 reviews

Overall

7.6

Comfort

7.6

Crew

8.1

Food

7.3

Boarding

7.9

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

anish,Aug 2025

HKG - KTM

Journey was way better than on the airbus from Toronto to Hongkong , as the economy seats were better .

Related info for your journey

Find useful and relevant information for your journey from Singapore to O'Hare Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Singapore to Chicago O'Hare Intl?

    For a flight from Singapore to Chicago O'Hare Intl, you will be flying from Changi. Singapore Changi (SIN) is just 10.5 mi from the center of the city. Changi is the only Singapore airport and it handles 0 outbound flights to Chicago O'Hare Intl per day. 2 airlines have flights to Chicago O'Hare Intl from Singapore Changi on a regular basis.

  • How long is the flight from Singapore to Chicago O'Hare Intl Airport?

    United Airlines and Korean Air can get you from Singapore to Chicago O'Hare Intl Airport in just under 21h 20m. Your travel time can differ by up to 6h 46m. Airlines will cover a distance of 9345 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Singapore to Chicago O'Hare Intl Airport round-trip?

    United Airlines, at $802, was found to be the cheapest airline from Singapore to Chicago O'Hare Intl Airport. An alternate airline flying to your destination would be Cathay Pacific. You may be able to fly from Singapore to Chicago O'Hare Intl Airport for 29% less than the average price by searching for these airlines.

  • Can I find deals for flights from Singapore to O'Hare Intl that include hotel bookings?

    Yes. In addition to deals on Singapore to O'Hare Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Singapore to O'Hare Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Singapore to O'Hare Intl.

  • Can I find deals for business class flights from Singapore to O'Hare Intl?

    Yes. Cheapflights offers flight deals from Singapore to O'Hare Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Singapore to Chicago O'Hare Intl Airport?

    Currently, August is the cheapest month in which you can book a flight from Singapore to Chicago O'Hare Intl Airport (average of $245). Flying from Singapore to Chicago O'Hare Intl Airport in March is currently the most expensive (average of $321). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Chicago O'Hare Intl Airport?

Book flights to Chicago O'Hare Intl Airport if you plan to visit one of these locations
Schaumburg
Rosemont
Skokie
Gurnee
Hoffman Estates
Des Plaines
Elgin
Arlington Heights
Orland Park
Beloit
Racine
Rockford
Oak Brook
Elk Grove Village
Downers Grove
Naperville
Evanston
Merrillville
Bridgeview
Warrenville

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Top 2 airlines flying from Singapore to O'Hare Intl

Discover the top 2 airlines that operate flights from Singapore to O'Hare Intl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$802Average$1,000FlexibilityNo cancel feeOn-time69%
Cathay PacificCheapest$871Average$975FlexibilityNo cancel feeOn-time72%

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