HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
O'Hare Intl

$451+ 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 11/30. Fares are subject to change and may not be available on all flights or dates of travel.
SIN — ORD
Jul 6 — Jul 131
Sun 7/6
Sun 7/13
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Singapore to O'Hare Intl with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Singapore Changi to Chicago O'Hare Intl are usually found in February or April, booked 27 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 July 1, 2025.

Round-trip from

$668
(Air Canada)

One-way from

$451
(Air Canada)

Popular in

January

Cheapest in

February

Average price

$1,459
From Singapore Changi to Chicago O'Hare Intl
Search Deals
One-way flight from Singapore Changi to Chicago O'Hare Intl
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($56 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($44 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2025
Search Deals

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 July 1, 2025.

This Air Canada deal was found by Cheapflights users on 7/1. 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.
Mon 10/279:00 pmSIN - ORD
2 stops30h 41mAir Canada
Thu 11/133:40 pmORD - SIN
1 stop26h 15mAir Canada
Deal found 7/1$668
This FlightHub deal was found by Cheapflights users on 6/30. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/128:05 amSIN - ORD
1 stop20h 55mJapan Airlines
Sun 8/3110:05 amORD - SIN
2 stops42h 25mJapan Airlines
Deal found 6/30$681
This United Airlines deal was found by Cheapflights users on 6/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/2710:20 pmSIN - ORD
1 stop26h 10mUnited Airlines
Thu 11/137:10 amORD - SIN
1 stop23h 05mUnited Airlines
Deal found 6/30$692
This Orbitz deal was found by Cheapflights users on 7/1. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/2612:30 amSIN - ORD
2 stops27h 11mMultiple Airlines
Thu 11/133:40 pmORD - SIN
1 stop26h 15mMultiple Airlines
Deal found 7/1$712
This FlightHub deal was found by Cheapflights users on 7/1. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/2710:45 amSIN - ORD
1 stop34h 35mANA
Thu 11/134:25 pmORD - SIN
1 stop24h 30mANA
Deal found 7/1$826

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 July 1, 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

Mon 10/27

9:00 pm-2:41 pm

2 stops30h 41m

Chicago O'Hare Intl

Thu 11/13

3:40 pm-7:55 am

1 stop26h 15m

$668

SingaporeChicago

SIN - ORD

SINORD

Singapore Changi

Tue 8/12

8:05 am-4:00 pm

1 stop20h 55m

Chicago O'Hare Intl

Sun 8/31

10:05 am-5:30 pm

2 stops42h 25m

$681

SingaporeChicago

SIN - ORD

SINORD

Singapore Changi

Mon 10/27

10:20 pm-11:30 am

1 stop26h 10m

Chicago O'Hare Intl

Thu 11/13

7:10 am-8:15 pm

1 stop23h 05m

$692

SingaporeChicago

SIN - ORD

SINORD

Singapore Changi

Sun 10/26

12:30 am-2:41 pm

2 stops27h 11m

Chicago O'Hare Intl

Thu 11/13

3:40 pm-7:55 am

1 stop26h 15m

$712

SingaporeChicago

SIN - ORD

SINORD

Singapore Changi

Mon 10/27

10:45 am-8:20 am

1 stop34h 35m

Chicago O'Hare Intl

Thu 11/13

4:25 pm-6:55 am

1 stop24h 30m

$826

SingaporeChicago

SIN - ORD

SINORD

Singapore Changi

Sun 10/26

1:25 am-2:00 pm

1 stop25h 35m

Chicago O'Hare Intl

Thu 11/13

2:40 pm-11:55 am

1 stop31h 15m

$988

SingaporeChicago

SIN - ORD

SINORD

Singapore Changi

Mon 8/18

2:00 am-11:59 pm

2 stops58h 59m

Chicago O'Hare Intl

Mon 8/25

6:20 am-12:35 pm

2 stops41h 15m

$1,019

SingaporeChicago

SIN - ORD

SINORD

Singapore Changi

Tue 7/22

1:10 pm-9:10 pm

1 stop21h 00m

Chicago O'Hare Intl

Mon 7/28

12:30 am-1:50 pm

1 stop24h 20m

$1,041

SingaporeChicago

SIN - ORD

SINORD

Singapore Changi

Tue 8/12

8:05 am-7:41 pm

2 stops24h 36m

Chicago O'Hare Intl

Sat 8/30

1:30 am-5:30 pm

1 stop27h 00m

$1,047

SingaporeChicago

SIN - ORD

SINORD

Singapore Changi

Sun 11/30

9:00 pm-2:41 pm

2 stops31h 41m

$451

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/1

Showing 1-10 of 16 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 June 27, 2025.

Booking 27 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 July 1, 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.

How much does it cost to fly round-trip from Singapore to Chicago O'Hare Intl Airport?

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 July 1, 2025.
Peruse reviews from past customers who have flown with EVA Air, ANA, and Korean Air 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.
EVA Air
8.4
Very good
1,212 reviews

Food

8.1

Comfort

8.3

Crew

8.6

Overall

8.4

Boarding

8.4

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
EVA Air
8.4
Very good
1,212 reviews
EVA Air
8.4
Very good
1,212 reviews

Food

8.1

Comfort

8.3

Crew

8.6

Overall

8.4

Boarding

8.4

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
ANA
8.4
Very good
892 reviews
EVA Air
8.4
Very good
1,212 reviews

Food

8.1

Comfort

8.3

Crew

8.6

Overall

8.4

Boarding

8.4

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
Korean Air
8.4
Very good
1,101 reviews
EVA Air
8.4
Very good
1,212 reviews

Food

8.1

Comfort

8.3

Crew

8.6

Overall

8.4

Boarding

8.4

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
Japan Airlines
8.3
Very good
1,504 reviews
EVA Air
8.4
Very good
1,212 reviews

Food

8.1

Comfort

8.3

Crew

8.6

Overall

8.4

Boarding

8.4

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
China Airlines
8.3
Very good
747 reviews
EVA Air
8.4
Very good
1,212 reviews

Food

8.1

Comfort

8.3

Crew

8.6

Overall

8.4

Boarding

8.4

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

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. 3 airlines have flights to Chicago O'Hare Intl from Singapore Changi on a regular basis.

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

    Air Canada, at $668, was found to be the cheapest airline from Singapore to Chicago O'Hare Intl Airport.Alternate airlines to your destination round-trip include Japan Airlines and United Airlines. You may be able to fly from Singapore to Chicago O'Hare Intl Airport for 47% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from Singapore to Chicago O'Hare Intl Airport one-way?

    $451 is the cheapest one-way deal found within the past few days, from Air Canada. You may also be able to find cheap deals on Japan Airlines and IndiGo, with prices starting from $482 and $537, respectively.

  • 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 Singapore?

Book flights to Singapore if you plan to visit one of these locations
Schaumburg
Hoffman Estates
Rosemont
Beloit
Skokie
Des Plaines
Arlington Heights
Elgin
Naperville
Orland Park
Elk Grove Village
Racine
Rockford
Tinley Park
Merrillville
Bridgeview
Glenview
Lake Geneva
Joliet
Waukegan

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 3 airlines flying from Singapore to O'Hare Intl

Discover the top 3 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 July 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$802Average$1,122FlexibilityNo cancel feeOn-time69%
Cathay PacificCheapest$882Average$1,125FlexibilityNo cancel feeOn-time72%
EVA AirCheapest$981Average$1,069FlexibilityNo cancel feeOn-time74%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.