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$410+ 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 11/9. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — SIN
Oct 25 — Nov 11
Sat 10/25
Sat 11/1
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 October, booked 44 days in advance, depart on a Monday or Tuesday and return on a Monday

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 September 25, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$703
(IEagle)

One-way from

$410
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$871
Provider with most accurate pricing for Chicago O'Hare Intl-Singapore Changi flight deals.
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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
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One-way flight from Chicago O'Hare Intl to Singapore Changi
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Highest demand for flights based on searches. 14% potential increase in price ($190 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($73 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 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 September 25, 2025.

This IEagle deal was found by Cheapflights users on 9/23. 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 IEagle is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/201:10 pmORD - SIN
1 stop29h 05mAir India
Tue 10/288:20 amSIN - ORD
2 stops41h 10mAir India
Deal found 9/23$703
This FlightHub deal was found by Cheapflights users on 9/24. 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 10/201:10 pmORD - SIN
1 stop29h 05mAir India
Mon 10/2711:00 pmSIN - ORD
2 stops50h 30mAir India
Deal found 9/24$706
This oojo deal was found by Cheapflights users on 9/23. 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.
Mon 10/201:10 pmORD - SIN
1 stop29h 05mAir India
Sun 11/28:20 amSIN - ORD
2 stops41h 10mAir India
Deal found 9/23$734
This FlightHub deal was found by Cheapflights users on 9/23. 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 10/201:10 pmORD - SIN
1 stop29h 05mAir India
Wed 10/2911:00 pmSIN - ORD
2 stops50h 30mAir India
Deal found 9/23$754
This Justfly.com deal was found by Cheapflights users on 9/22. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/221:10 pmORD - SIN
1 stop29h 05mAir India
Mon 11/311:00 pmSIN - ORD
2 stops50h 30mAir India
Deal found 9/22$826
This IEagle deal was found by Cheapflights users on 9/23. 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 IEagle is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/221:10 pmORD - SIN
1 stop29h 05mAir India
Wed 10/2911:00 pmSIN - ORD
2 stops50h 30mAir India
Deal found 9/23$850
This CrystalTravel deal was found by Cheapflights users on 9/23. 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.
Mon 10/201:55 pmORD - SIN
1 stop30h 45mEtihad Airways
Tue 10/287:25 pmSIN - ORD
1 stop26h 10mEtihad Airways
Deal found 9/23$852
This oojo deal was found by Cheapflights users on 9/22. 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.
Mon 10/204:00 pmORD - SIN
1 stop24h 30mCathay Pacific
Mon 11/312:55 pmSIN - ORD
1 stop38h 00mCathay Pacific
Deal found 9/22$859

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 September 25, 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

Mon 11/24

2:35 pm-5:40 am

1 stop25h 05m

Singapore Changi

Wed 2/18

8:15 pm-12:55 pm

1 stop30h 40m

$893

ChicagoSingapore

ORD - SIN

ORDSIN

Chicago O'Hare Intl

Mon 11/24

2:35 pm-5:40 am

1 stop25h 05m

Singapore Changi

Mon 2/16

8:15 pm-12:55 pm

1 stop30h 40m

$893

ChicagoSingapore

ORD - SIN

ORDSIN

Chicago O'Hare Intl

Mon 11/24

2:35 pm-5:40 am

1 stop25h 05m

Singapore Changi

Thu 2/19

7:40 am-12:55 pm

1 stop19h 15m

$893

ChicagoSingapore

ORD - SIN

ORDSIN

Chicago O'Hare Intl

Sun 11/30

2:35 pm-5:40 am

1 stop25h 05m

Singapore Changi

Tue 2/17

1:25 am-12:55 pm

1 stop25h 30m

$943

ChicagoSingapore

ORD - SIN

ORDSIN

Chicago O'Hare Intl

Tue 11/25

2:35 pm-5:40 am

1 stop25h 05m

Singapore Changi

Fri 2/20

7:40 am-12:55 pm

1 stop19h 15m

$943

ChicagoSingapore

ORD - SIN

ORDSIN

Chicago O'Hare Intl

Sun 11/30

2:35 pm-5:40 am

1 stop25h 05m

Singapore Changi

Sun 2/15

1:25 am-12:55 pm

1 stop25h 30m

$943

ChicagoSingapore

ORD - SIN

ORDSIN

Chicago O'Hare Intl

Sun 11/30

2:35 pm-5:40 am

1 stop25h 05m

Singapore Changi

Thu 2/19

7:40 am-12:55 pm

1 stop19h 15m

$943

ChicagoSingapore

ORD - SIN

ORDSIN

Chicago O'Hare Intl

Thu 11/27

11:50 am-5:35 pm

1 stop39h 45m

Singapore Changi

Fri 2/20

11:40 am-10:05 am

1 stop36h 25m

$982

ChicagoSingapore

ORD - SIN

ORDSIN

Chicago O'Hare Intl

Sat 11/29

2:35 pm-5:40 am

1 stop25h 05m

Singapore Changi

Fri 2/20

7:40 am-12:55 pm

1 stop19h 15m

$993

ChicagoSingapore

ORD - SIN

ORDSIN

Chicago O'Hare Intl

Tue 11/25

2:35 pm-5:40 am

1 stop25h 05m

Singapore Changi

Fri 2/13

1:25 am-12:55 pm

1 stop25h 30m

$1,018

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/25

Showing 1-10 of 22 results
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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 September.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
Justfly.comPrice Accuracy3 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star
GurufarePrice Accuracy3 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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Chicago O'Hare Intl Airport-Singapore flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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 September 19, 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, October is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Singapore (average of $984). Flying from Chicago O'Hare Intl Airport to Singapore in December is currently the most expensive (average of $1,661). 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 September 25, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 19% 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 Saturday afternoons 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.

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 September 25, 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
1,242 reviews

Crew

8.6

Entertainment

8.0

Food

8.0

Comfort

8.3

Boarding

8.4

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
1,242 reviews
EVA Air
8.4
Very good
1,242 reviews

Crew

8.6

Entertainment

8.0

Food

8.0

Comfort

8.3

Boarding

8.4

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
972 reviews
EVA Air
8.4
Very good
1,242 reviews

Crew

8.6

Entertainment

8.0

Food

8.0

Comfort

8.3

Boarding

8.4

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
1,009 reviews
EVA Air
8.4
Very good
1,242 reviews

Crew

8.6

Entertainment

8.0

Food

8.0

Comfort

8.3

Boarding

8.4

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
8,926 reviews
EVA Air
8.4
Very good
1,242 reviews

Crew

8.6

Entertainment

8.0

Food

8.0

Comfort

8.3

Boarding

8.4

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
3,977 reviews
EVA Air
8.4
Very good
1,242 reviews

Crew

8.6

Entertainment

8.0

Food

8.0

Comfort

8.3

Boarding

8.4

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 12 different airlines.

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

    Cathay Pacific can get you from Chicago O'Hare Intl Airport to Singapore in just under 25h 05m. Your travel time can differ by up to . The distance from Chicago O'Hare Intl Airport to Singapore is about 9345 mi.

  • 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, October is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Singapore (average of $984). Flying from Chicago O'Hare Intl Airport to Singapore in December is currently the most expensive (average of $1,661). 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

Browse thousands of different options on Cheapflights for your next trip

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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 September 25, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air IndiaCheapest$675Average$921FlexibilityNo cancel feeOn-timeN/A
Cathay PacificCheapest$701Average$888FlexibilityNo cancel feeOn-time72%
United AirlinesCheapest$709Average$1,294FlexibilityNo cancel feeOn-time69%
Turkish AirlinesCheapest$729Average$870FlexibilityNo 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%
Korean AirCheapest$940Average$1,400FlexibilityNo cancel feeOn-time81%
ANACheapest$1,024Average$1,427FlexibilityNo cancel feeOn-time80%
EVA AirCheapest$1,080Average$1,466FlexibilityNo cancel feeOn-time74%

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