Singapore

$337+ 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 9/3. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — SIN
Aug 19 — Aug 261
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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

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 August 14, 2025.

Round-trip from

$720
(Ovago)

One-way from

$337
(CrystalTravel)

Popular in

December

Cheapest in

February

Average price

$886
From Chicago O'Hare Intl to Singapore Changi
One-way flight from Chicago O'Hare Intl to Singapore Changi
Highest demand for flights based on searches. 12% potential increase in price ($159 potential increase over avg. RT price).
Cheapest flight prices on average. 6% potential price decrease ($64 potential savings vs. average RT price).
Average for round-trip flights in August 2025

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 August 14, 2025.

This FlightHub deal was found by Cheapflights users on 8/14. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/11:10 pmORD - SIN
1 stop29h 05mAir India
Mon 9/811:00 pmSIN - ORD
2 stops49h 10mAir India
Deal found 8/14$731
This Ovago deal was found by Cheapflights users on 8/13. 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.
Sun 10/124:00 pmORD - SIN
1 stop31h 25mCathay Pacific
Sat 10/181:25 pmSIN - ORD
1 stop38h 00mCathay Pacific
Deal found 8/13$732
This Surpr!ce deal was found by Cheapflights users on 8/13. 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 Surpr!ce is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/279:13 pmORD - SIN
1 stop32h 12mUnited Airlines
Sat 10/48:45 amSIN - ORD
1 stop24h 22mUnited Airlines
Deal found 8/13$733
This IEagle deal was found by Cheapflights users on 8/13. 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 10/131:10 pmORD - SIN
1 stop29h 05mAir India
Sat 10/1811:00 pmSIN - ORD
2 stops49h 10mAir India
Deal found 8/13$734
This Ovago deal was found by Cheapflights users on 8/11. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/14:00 pmORD - SIN
1 stop24h 30mCathay Pacific
Sun 9/71:50 amSIN - ORD
1 stop25h 35mCathay Pacific
Deal found 8/11$742
This United Airlines deal was found by Cheapflights users on 8/13. 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 10/126:15 amORD - SIN
1 stop23h 10mUnited Airlines
Fri 10/178:40 pmSIN - ORD
1 stop28h 06mUnited Airlines
Deal found 8/13$743
This CheapOair deal was found by Cheapflights users on 8/13. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/297:19 amORD - SIN
2 stops28h 26mANA
Mon 9/810:10 pmSIN - ORD
1 stop30h 00mANA
Deal found 8/13$745
This CrystalTravel deal was found by Cheapflights users on 8/13. 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.
Fri 9/124:00 pmORD - SIN
1 stop30h 45mCathay Pacific
Thu 9/181:50 amSIN - ORD
1 stop25h 35mCathay Pacific
Deal found 8/13$746
This Ovago deal was found by Cheapflights users on 8/12. 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.
Sun 9/74:00 pmORD - SIN
1 stop24h 30mCathay Pacific
Sat 9/131:50 amSIN - ORD
1 stop25h 35mCathay Pacific
Deal found 8/12$751
This Fareboom deal was found by Cheapflights users on 8/12. 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 Fareboom is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/59:10 amORD - SIN
2 stops32h 00mMultiple Airlines
Sun 9/148:30 pmSIN - ORD
2 stops27h 40mMultiple Airlines
Deal found 8/12$752

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 August 14, 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 2/2

2:40 pm-5:40 am

1 stop25h 00m

Singapore Changi

Mon 3/2

6:00 pm-1:00 pm

1 stop33h 00m

$720

ChicagoSingapore

ORD - SIN

ORDSIN

Chicago O'Hare Intl

Mon 9/1

1:10 pm-7:15 am

1 stop29h 05m

Singapore Changi

Mon 9/8

11:00 pm-11:10 am

2 stops49h 10m

$731

ChicagoSingapore

ORD - SIN

ORDSIN

Chicago O'Hare Intl

Sun 10/12

4:00 pm-12:25 pm

1 stop31h 25m

Singapore Changi

Sat 10/18

1:25 pm-2:25 pm

1 stop38h 00m

$732

ChicagoSingapore

ORD - SIN

ORDSIN

Chicago O'Hare Intl

Sat 9/27

8:05 pm-6:25 pm

2 stops33h 20m

Singapore Changi

Sat 10/4

8:45 am-8:18 pm

2 stops24h 33m

$733

ChicagoSingapore

ORD - SIN

ORDSIN

Chicago O'Hare Intl

Sat 9/6

4:00 pm-5:30 am

1 stop24h 30m

Singapore Changi

Sat 9/13

8:05 pm-2:25 pm

1 stop31h 20m

$733

ChicagoSingapore

ORD - SIN

ORDSIN

Chicago O'Hare Intl

Fri 9/19

4:00 pm-5:30 am

1 stop24h 30m

Singapore Changi

Sat 9/27

8:05 pm-2:25 pm

1 stop31h 20m

$733

ChicagoSingapore

ORD - SIN

ORDSIN

Chicago O'Hare Intl

Sun 10/12

6:15 am-6:25 pm

1 stop23h 10m

Singapore Changi

Fri 10/17

8:40 pm-11:46 am

1 stop28h 06m

$743

ChicagoSingapore

ORD - SIN

ORDSIN

Chicago O'Hare Intl

Mon 10/13

1:10 pm-7:30 pm

1 stop41h 20m

Singapore Changi

Sat 10/18

11:00 pm-11:10 am

2 stops49h 10m

$743

ChicagoSingapore

ORD - SIN

ORDSIN

Chicago O'Hare Intl

Sat 10/11

9:13 pm-6:25 pm

1 stop32h 12m

Singapore Changi

Sun 10/19

8:40 pm-5:55 am

1 stop22h 15m

$743

ChicagoSingapore

ORD - SIN

ORDSIN

Chicago O'Hare Intl

Fri 10/17

9:13 pm-6:25 pm

1 stop32h 12m

Singapore Changi

Sun 10/26

10:20 pm-2:50 pm

1 stop29h 30m

$743

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/12

Showing 1-10 of 21 results
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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 August 8, 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 $991). Flying from Chicago O'Hare Intl Airport to Singapore in December is currently the most expensive (average of $1,684). 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 August 14, 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.

What’s the top layover airport for flights from Chicago O'Hare Intl Airport to Singapore?

Share of 1-stop round-trip flights from Chicago O'Hare Intl Airport to Singapore chosen by Cheapflights users in the past 12 months, using the same layover each way.

Istanbul (IST) – chosen by Cheapflights users on 43% of 1-stop itineraries from Chicago O'Hare Intl Airport to Singapore on Cheapflights.

What’s the cheapest layover airport for flights from Chicago O'Hare Intl Airport to Singapore?

Average round-trip fare for 1-stop flights from Chicago O'Hare Intl Airport to Singapore, chosen by Cheapflights users in the past 12 months, with the same layover each way.

Istanbul (IST) is the most affordable 1-stop option, with an average round-trip price of $915.

What’s the fastest layover option from Chicago O'Hare Intl Airport to Singapore?

Shortest average travel time for 1-stop one-way flights from Chicago O'Hare Intl Airport to Singapore, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.

Flights via Taipei City (TPE) have the shortest average one-way travel time for 1-stop routes: 22h 30m.

Which airport typically offers the quickest layover for flights from Chicago O'Hare Intl Airport to Singapore?

Average layover duration for 1-stop one-way flights from Chicago O'Hare Intl Airport to Singapore, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Taipei City (TPE) offer the fastest connection on this route, with an average layover time of 2h 30m.

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 August 14, 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.

Boarding

8.4

Comfort

8.3

Crew

8.6

Overall

8.4

Entertainment

8.0

Food

8.1

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

Boarding

8.4

Comfort

8.3

Crew

8.6

Overall

8.4

Entertainment

8.0

Food

8.1

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
8.4
Very good

Boarding

8.4

Comfort

8.3

Crew

8.6

Overall

8.4

Entertainment

8.0

Food

8.1

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

Boarding

8.4

Comfort

8.3

Crew

8.6

Overall

8.4

Entertainment

8.0

Food

8.1

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

Boarding

8.4

Comfort

8.3

Crew

8.6

Overall

8.4

Entertainment

8.0

Food

8.1

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

Boarding

8.4

Comfort

8.3

Crew

8.6

Overall

8.4

Entertainment

8.0

Food

8.1

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 10 different airlines.

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

    Flying on Cathay Pacific is currently your cheapest option to Singapore, with prices starting at $717. Additional round-trip tickets that might be worth considering are offered by Turkish Airlines and Japan Airlines, with the lowest prices starting at $729 and $783, respectively. Cathay Pacific is priced at 35% 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?

  • 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?

  • 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 $991). Flying from Chicago O'Hare Intl Airport to Singapore in December is currently the most expensive (average of $1,684). 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.

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 August 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
Cathay PacificCheapest$717Average$935FlexibilityNo cancel feeOn-time72%
Turkish AirlinesCheapest$729Average$847FlexibilityNo cancel feeOn-time77%
Japan AirlinesCheapest$783Average$1,047FlexibilityNo cancel feeOn-time79%
United AirlinesCheapest$840Average$1,189FlexibilityNo cancel feeOn-time69%
Qatar AirwaysCheapest$850Average$1,232FlexibilityNo cancel feeOn-time68%
Air CanadaCheapest$872Average$1,131FlexibilityNo cancel feeOn-time67%
Korean AirCheapest$940Average$1,364FlexibilityNo cancel feeOn-time81%
EVA AirCheapest$1,080Average$1,405FlexibilityNo cancel feeOn-time74%
ANACheapest$1,089Average$1,427FlexibilityNo cancel feeOn-time80%
FinnairCheapest$1,203Average$1,339FlexibilityNo cancel feeOn-time76%

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