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$341+ Cheap flights from O'Hare Intl (ORD) to Singapore (SIN)

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 3/18. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — SIN
Dec 12 — Dec 191
Fri 12/12
Fri 12/19
1 adult, Economy
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Cheapflights Tip: The best prices from Chicago O'Hare Intl to Singapore Changi are usually found in February or September, booked 44 days in advance, depart on a Monday or Tuesday and return on a Monday

Find flight deals from O'Hare Intl to Singapore

Cheapest flights from O'Hare Intl to Singapore
Explore the most affordable flight options available from O'Hare Intl to Singapore. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 12, 2025.

This United Airlines deal was found by Cheapflights users on 11/11. 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.
Thu 11/137:10 amORD - SIN
1 stop23h 05mUnited Airlines
Wed 11/2610:10 amSIN - ORD
2 stops24h 48mUnited Airlines
Deal found 11/11$945
This oojo deal was found by Cheapflights users on 11/10. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/192:35 pmORD - SIN
1 stop31h 20mCathay Pacific
Mon 12/221:25 amSIN - ORD
1 stop25h 30mCathay Pacific
Deal found 11/10$950
This United Airlines deal was found by Cheapflights users on 11/11. 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.
Thu 11/206:15 amORD - SIN
1 stop24h 00mUnited Airlines
Thu 11/2710:10 amSIN - ORD
1 stop23h 30mUnited Airlines
Deal found 11/11$953
This United Airlines deal was found by Cheapflights users on 11/11. 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.
Sun 12/76:55 amORD - SIN
1 stop23h 20mUnited Airlines
Sat 3/710:20 pmSIN - ORD
1 stop21h 59mUnited Airlines
Deal found 11/11$955
This CrystalTravel deal was found by Cheapflights users on 11/10. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/184:25 pmORD - SIN
1 stop35h 10mANA
Fri 11/216:35 amSIN - ORD
1 stop21h 15mANA
Deal found 11/10$956
This United Airlines deal was found by Cheapflights users on 11/11. 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.
Thu 11/207:10 amORD - SIN
1 stop23h 05mUnited Airlines
Wed 12/2410:20 pmSIN - ORD
2 stops32h 39mUnited Airlines
Deal found 11/11$958
This KAYAK deal was found by Cheapflights users on 11/11. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/182:35 pmORD - SIN
1 stop43h 50mCathay Pacific
Tue 12/28:15 pmSIN - ORD
1 stop30h 40mCathay Pacific
Deal found 11/11$964
This oojo deal was found by Cheapflights users on 11/10. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/162:35 pmORD - SIN
1 stop32h 30mCathay Pacific
Sat 11/228:15 pmSIN - ORD
1 stop30h 40mCathay Pacific
Deal found 11/10$965
This oojo deal was found by Cheapflights users on 11/10. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/122:35 pmORD - SIN
1 stop35h 10mCathay Pacific
Fri 11/218:15 pmSIN - ORD
1 stop30h 40mCathay Pacific
Deal found 11/10$990
This KAYAK deal was found by Cheapflights users on 11/11. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/142:35 pmORD - SIN
1 stop31h 20mCathay Pacific
Thu 11/2010:00 amSIN - ORD
1 stop40h 55mCathay Pacific
Deal found 11/11$992
This FlightHub deal was found by Cheapflights users on 11/10. 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 11/172:35 pmORD - SIN
1 stop31h 20mCathay Pacific
Thu 11/201:25 amSIN - ORD
1 stop25h 30mCathay Pacific
Deal found 11/10$1,002
This United Airlines deal was found by Cheapflights users on 11/10. 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.
Tue 11/186:15 amORD - SIN
1 stop24h 00mUnited Airlines
Sat 11/2210:10 amSIN - ORD
1 stop23h 45mUnited Airlines
Deal found 11/10$1,003

Cheap flight deals from O'Hare Intl to Singapore

Discover tips and strategies to find the most affordable flight options for your journey from O'Hare Intl (ORD) to Singapore (SIN). 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 November 12, 2025.

Most accurate provider

Justfly.com
3 stars

Most trusted provider

Justfly.com
3 stars

Round-trip from

$937
(Gurufare)

One-way from

$341
(Orbitz)

Popular in

December

Cheapest in

February

Average price

$1,091
Provider with most accurate pricing for Chicago O'Hare Intl-Singapore Changi flight deals.
Search Deals
Provider most trusted by Cheapflights users for Chicago O'Hare Intl-Singapore Changi flights.
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From Chicago O'Hare Intl to Singapore Changi
Search Deals
One-way flight from Chicago O'Hare Intl to Singapore Changi
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($182 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($63 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from O'Hare Intl 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, Cheapflights users made 2,558,603 searches. Data last updated November 12, 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

O'Hare Intl

Fly to

Singapore

Route

Depart

Return

Price

ChicagoSingapore

ORD - SIN

ORDSIN

Chicago O'Hare Intl

Wed 1/28

7:30 am-12:10 am

2 stops26h 40m

Singapore Changi

Mon 2/2

1:35 am-11:53 pm

2 stops36h 18m

$1,019

ChicagoSingapore

ORD - SIN

ORDSIN

Chicago O'Hare Intl

Sat 4/11

12:30 am-12:00 pm

1 stop22h 30m

Singapore Changi

Wed 4/15

1:10 pm-9:00 pm

1 stop20h 50m

$1,188

ChicagoSingapore

ORD - SIN

ORDSIN

Chicago O'Hare Intl

Wed 2/4

6:50 pm-2:55 pm

1 stop30h 05m

Singapore Changi

Fri 2/13

3:15 am-11:10 pm

2 stops33h 55m

$1,244

ChicagoSingapore

ORD - SIN

ORDSIN

Chicago O'Hare Intl

Sun 4/12

12:20 pm-11:40 pm

1 stop22h 20m

Singapore Changi

Wed 4/15

7:30 am-9:52 pm

2 stops27h 22m

$1,334

ChicagoSingapore

ORD - SIN

ORDSIN

Chicago O'Hare Intl

Fri 2/6

7:59 pm-12:10 am

2 stops38h 11m

Singapore Changi

Sun 2/15

1:35 am-11:55 pm

2 stops36h 20m

$1,338

ChicagoSingapore

ORD - SIN

ORDSIN

Chicago O'Hare Intl

Fri 12/12

6:55 am-8:15 pm

1 stop23h 20m

Singapore Changi

Sun 1/18

10:45 am-6:30 am

2 stops33h 45m

$1,346

ChicagoSingapore

ORD - SIN

ORDSIN

Chicago O'Hare Intl

Fri 4/17

6:15 am-12:35 pm

3 stops41h 20m

Singapore Changi

Thu 4/23

2:00 am-11:55 pm

2 stops34h 55m

$1,352

ChicagoSingapore

ORD - SIN

ORDSIN

Chicago O'Hare Intl

Mon 4/6

3:05 pm-12:35 pm

3 stops32h 30m

Singapore Changi

Thu 4/16

2:00 am-11:55 pm

2 stops34h 55m

$1,353

ChicagoSingapore

ORD - SIN

ORDSIN

Chicago O'Hare Intl

Sun 1/4

10:00 pm-8:15 pm

2 stops32h 15m

Singapore Changi

Tue 1/20

10:10 am-9:15 pm

2 stops25h 05m

$1,378

ChicagoSingapore

ORD - SIN

ORDSIN

Chicago O'Hare Intl

Sat 11/22

4:17 pm-8:00 am

1 stop25h 43m

Singapore Changi

Thu 11/27

10:20 pm-5:00 am

1 stop20h 40m

$1,450

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/12

Showing 1-10 of 20 results
1
2

Compare providers for flights from O'Hare Intl to Singapore

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from O'Hare Intl to Singapore in November.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
AranGrantPrice Accuracy2 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star
Justfly.comPrice Accuracy3 starsTrust Score*3 stars
GurufarePrice Accuracy2 starsTrust Score*3 stars
OvagoPrice Accuracy2 starsTrust Score*2 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Chicago O'Hare Intl Airport-Singapore flights, users find the pricing of Justfly.com to be most consistent on Cheapflights vs. Justfly.com Users can find the same prices on Chicago O'Hare Intl Airport-Singapore flight deals on Cheapflights vs. Justfly.com >95% of the time. Price accuracy is based on data collected from Chicago O'Hare Intl Airport-Singapore flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Chicago O'Hare Intl Airport-Singapore flights, Cheapflights users trust Justfly.com the most. Justfly.com has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Chicago O'Hare Intl Airport-Singapore flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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

Have a flexible travel schedule? Discover the best time to fly to Singapore from O'Hare Intl 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 Chicago O'Hare Intl Airport to Singapore

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

Use this chart to determine the optimal time to book a round-trip flight from O'Hare Intl to Singapore. Price data was last updated on November 7, 2025.

Booking 44 days in advance of your planned departure date is, on average, the best time to get cheap flights from Chicago O'Hare Intl Airport to Singapore. 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 Chicago O'Hare Intl Airport to Singapore?

Currently, September is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Singapore (average of $661). Flying from Chicago O'Hare Intl Airport to Singapore in June is currently the most expensive (average of $1,199). 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 ORD to SIN?

Find hourly flight availability from O'Hare Intl to Singapore. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 12, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 18% on flights from Chicago O'Hare Intl Airport to Singapore by exploring options for tickets at noon.

What is the cheapest day to fly from Chicago O'Hare Intl Airport to Singapore?

Use this chart to determine the cheapest time to fly round-trip from O'Hare Intl to Singapore. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Chicago O'Hare Intl Airport to Singapore flight should consider departing on Monday at noon when fares are most often at their lowest. Tuesday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

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

Reviews of airlines servicing Singapore

Get insights into the airlines that provide service to Singapore. 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 Singapore. Reviews last updated November 12, 2025.
Read through reviews of airlines operating flights from Chicago O'Hare Intl Airport to Singapore, such as EVA Air, ANA, and Cathay Pacific. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
EVA Air
8.4
Very good
1,275 reviews

Boarding

8.4

Crew

8.6

Comfort

8.3

Entertainment

8.0

Food

8.1

Overall

8.4

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2025

BKK - TPE

I bought tickets for myself and my friend and had to argue with the checkin person to get our seats together for the return flights I purchased the tickets together weeks ahead of time and did not expect to have to ask for a supervisor to sit together very disappointed in booking through kayak
EVA Air
8.4
Very good
1,275 reviews
EVA Air
8.4
Very good
1,275 reviews

Boarding

8.4

Crew

8.6

Comfort

8.3

Entertainment

8.0

Food

8.1

Overall

8.4

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2025

BKK - TPE

I bought tickets for myself and my friend and had to argue with the checkin person to get our seats together for the return flights I purchased the tickets together weeks ahead of time and did not expect to have to ask for a supervisor to sit together very disappointed in booking through kayak
ANA
8.4
Very good
1,003 reviews
EVA Air
8.4
Very good
1,275 reviews

Boarding

8.4

Crew

8.6

Comfort

8.3

Entertainment

8.0

Food

8.1

Overall

8.4

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2025

BKK - TPE

I bought tickets for myself and my friend and had to argue with the checkin person to get our seats together for the return flights I purchased the tickets together weeks ahead of time and did not expect to have to ask for a supervisor to sit together very disappointed in booking through kayak
Cathay Pacific
7.6
Good
1,057 reviews
EVA Air
8.4
Very good
1,275 reviews

Boarding

8.4

Crew

8.6

Comfort

8.3

Entertainment

8.0

Food

8.1

Overall

8.4

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2025

BKK - TPE

I bought tickets for myself and my friend and had to argue with the checkin person to get our seats together for the return flights I purchased the tickets together weeks ahead of time and did not expect to have to ask for a supervisor to sit together very disappointed in booking through kayak
United Airlines
7.4
Good
9,016 reviews
EVA Air
8.4
Very good
1,275 reviews

Boarding

8.4

Crew

8.6

Comfort

8.3

Entertainment

8.0

Food

8.1

Overall

8.4

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2025

BKK - TPE

I bought tickets for myself and my friend and had to argue with the checkin person to get our seats together for the return flights I purchased the tickets together weeks ahead of time and did not expect to have to ask for a supervisor to sit together very disappointed in booking through kayak
Turkish Airlines
7.3
Good
4,043 reviews
EVA Air
8.4
Very good
1,275 reviews

Boarding

8.4

Crew

8.6

Comfort

8.3

Entertainment

8.0

Food

8.1

Overall

8.4

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2025

BKK - TPE

I bought tickets for myself and my friend and had to argue with the checkin person to get our seats together for the return flights I purchased the tickets together weeks ahead of time and did not expect to have to ask for a supervisor to sit together very disappointed in booking through kayak

Related info for your journey

Find useful and relevant information for your journey from O'Hare Intl to Singapore. 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 into for flights to Singapore from Chicago O'Hare Intl?

    Located just 10.5 mi from the city center, Singapore Changi is the airport most travelers will use when flying to Singapore from Chicago O'Hare Intl. Booking flights from Chicago O'Hare Intl to Changi (SIN) should be relatively easy as there are 0 daily inbound flights from Chicago O'Hare Intl from 14 different airlines.

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

    Delta, EVA Air, and Qatar Airways can get you from Chicago O'Hare Intl Airport to Singapore in just under 22h 30m. Your travel time can differ by up to 7h 35m. The distance from Chicago O'Hare Intl Airport to Singapore is about 9345 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    Flying on Air India is currently your cheapest option to Singapore, with prices starting at $675. Additional round-trip tickets that might be worth considering are offered by Cathay Pacific and United Airlines, with the lowest prices starting at $701 and $709, respectively. Air India is priced at 39% lower than the current average price of a flight leaving 3 months from now.

  • Where are the most common layover locations when flying from Chicago O'Hare Intl Airport to Singapore?

    Flights departing from Chicago O'Hare Intl Airport and landing in Singapore layover in Hong Kong most frequently.

  • What are some popular things to do or see while on a layover in Hong Kong?

    Hong Kong Disneyland, Shatin Baptist Church, and Fa Yeun Street Market are currently the most popular points of interest in Hong Kong at the moment. Hong Kong Disneyland, Shatin Baptist Church, and Fa Yeun Street Market are located about 7.8 mi, 18.3 mi, and 16.2 mi, respectively from Hong Kong Intl.

  • Where are the least popular layover locations for Chicago O'Hare Intl Airport to Singapore flights?

    Chicago O'Hare Intl Airport to Singapore flights have a layover in Istanbul least often.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from O'Hare Intl to Singapore 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 Chicago O'Hare Intl Airport to Singapore?

    Currently, September is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Singapore (average of $661). Flying from Chicago O'Hare Intl Airport to Singapore in June is currently the most expensive (average of $1,199). 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

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Alternative routes for O'Hare Intl to Singapore

See prices for flight routes from nearby airports that may be better suited for you.
Midway to Singapore flights

Top 10 airlines flying from O'Hare Intl to Singapore

Discover the top 10 airlines that operate flights from O'Hare Intl to Singapore. 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 November 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air IndiaCheapest$675Average$921FlexibilityNo cancel feeOn-timeN/A
Cathay PacificCheapest$701Average$883FlexibilityNo cancel feeOn-time72%
United AirlinesCheapest$709Average$1,293FlexibilityNo cancel feeOn-time69%
Turkish AirlinesCheapest$744Average$910FlexibilityNo cancel feeOn-time77%
Japan AirlinesCheapest$791Average$1,081FlexibilityNo cancel feeOn-time79%
Qatar AirwaysCheapest$850Average$1,204FlexibilityNo cancel feeOn-time68%
Air CanadaCheapest$884Average$1,340FlexibilityNo cancel feeOn-time67%
Etihad AirwaysCheapest$909Average$1,236FlexibilityNo cancel feeOn-time75%
Korean AirCheapest$940Average$1,400FlexibilityNo cancel feeOn-time81%
ANACheapest$1,024Average$1,427FlexibilityNo cancel feeOn-time80%

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