What are the cheapest airlines to fly from Singapore to Illinois one-way?

To fly one-way, consider booking your trip with IndiGo, which is currently one of the cheapest options available, starting at S$ 664. Cathay Pacific flights start at S$ 801 while deals on Delta start at S$ 868 one-way. Find deals

What are the most popular airlines that fly from Singapore to Illinois?

The most popular airlines flying from Singapore to Illinois are EVA Air, Cathay Pacific and Etihad Airways. Something to consider prior to booking your flight. Find deals

How far in advance should I book a flight from Singapore to Illinois?

To save on the cost of your flight from Singapore to Illinois, book at least 55 days before your planned departure. Booking around this time can save you about 13% on the cost of this flight compared to booking a flight leaving this week. We have found prices from S$ 1,199 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as S$ 1,706.

What is the cheapest month to fly from Singapore to Illinois?

Due to multiple factors, expect to potentially pay more when booking in August. For low rates, April can be a great choice for travel to Illinois. Flights to Illinois from Singapore in April are about S$ 1,537 on average during April, but can be found for as low as S$ 1,171.

What airport do you fly from for flights from Singapore to Illinois?

Singapore Changi (SIN) is the airport you will fly out of if you book a flight from Singapore to Illinois. It is only a 16.9 km journey to Changi (SIN) from Singapore’s city centre.

Can I find deals for flights from Singapore to Illinois that include hotel bookings?

Yes. In addition to deals on Singapore to Illinois flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from Singapore to Illinois?

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

Can I find deals for business class flights from Singapore to Illinois?

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

S$ 626+ Flights from Singapore to Illinois

Cheap flight deals from Singapore to Illinois

Round-trip from	S$ 1,202
One-way from	S$ 626
Popular in	August
Cheapest in	April
Average price	S$ 1,579

Korean Air
26-10-13-11
2 total stops
44h 05m total
Singapore to Illinois

Search Deals

26-5
2 total stops
40h 02m total
Singapore to Illinois

Search Deals

Highest demand for flights based on searches. 10% potential increase in price (S$ 224 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (S$ 48 potential savings vs. average return price).

Search Deals

Average for round-trip flights in May 2025

Search Deals

Find flight deals from Singapore to Illinois

Cheapest flights from Singapore to Illinois
Explore the most affordable flight options available from Singapore to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 May 2025.

Sun 26-1001:30SIN - ORD

1 stop21h 00mKorean Air

Thu 13-1111:05ORD - SIN

1 stop23h 05mKorean Air

Deal found 10-5S$ 1,202

Fri 7-1122:20SIN - ORD

1 stop30h 24mUnited Airlines

Thu 27-1118:00ORD - SIN

1 stop24h 00mUnited Airlines

Deal found 10-5S$ 1,236

Sun 26-1002:00SIN - ORD

2 stops48h 04mMultiple Airlines

Thu 13-1117:10ORD - SIN

2 stops29h 55mMultiple Airlines

Deal found 10-5S$ 1,240

Fri 20-620:40SIN - ORD

1 stop27h 52mLufthansa

Sun 6-707:00ORD - SIN

1 stop22h 25mLufthansa

Deal found 10-5S$ 1,249

Thu 6-1101:30SIN - MDW

2 stops34h 14mDelta

Thu 27-1117:59MDW - SIN

2 stops40h 11mDelta

Deal found 10-5S$ 1,254

Mon 26-501:10SIN - ORD

2 stops33h 20mDelta

Tue 15-709:00ORD - SIN

2 stops25h 40mDelta

Deal found 10-5S$ 1,254

Mon 27-1021:00SIN - ORD

2 stops30h 39mAir Canada

Thu 13-1113:00ORD - SIN

1 stop28h 55mAir Canada

Deal found 10-5S$ 1,267

Mon 9-620:05SIN - ORD

1 stop31h 20mCathay Pacific

Mon 23-616:00ORD - SIN

1 stop24h 30mCathay Pacific

Deal found 10-5S$ 1,279

Tue 24-610:15SIN - ORD

1 stop36h 25mTurkish Airlines

Tue 1-711:25ORD - SIN

1 stop32h 20mTurkish Airlines

Deal found 10-5S$ 1,282

Sat 13-1214:15SIN - ORD

2 stops28h 49mChina Airlines

Mon 5-118:50ORD - SIN

2 stops28h 15mChina Airlines

Deal found 11-5S$ 1,321

Tue 27-513:10SIN - ORD

1 stop20h 50mEVA Air

Mon 14-700:30ORD - SIN

1 stop22h 30mEVA Air

Deal found 9-5S$ 1,355

Tue 3-601:55SIN - ORD

1 stop20h 20mJapan Airlines

Wed 2-701:30ORD - SIN

1 stop27h 00mJapan Airlines

Deal found 9-5S$ 1,461

Best flights from Singapore to Illinois
Discover carefully curated flight deals from Singapore to Illinois that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 11 May 2025.

Sun 26-1001:30SIN - ORD

1 stop21h 00mKorean Air

Thu 13-1111:05ORD - SIN

1 stop23h 05mKorean Air

Deal found 10-5S$ 1,202

Fri 7-1122:20SIN - ORD

1 stop30h 24mUnited Airlines

Thu 27-1118:00ORD - SIN

1 stop24h 00mUnited Airlines

Deal found 10-5S$ 1,236

Sun 26-1002:00SIN - ORD

2 stops48h 04mMultiple Airlines

Thu 13-1117:10ORD - SIN

2 stops29h 55mMultiple Airlines

Deal found 10-5S$ 1,240

Fri 20-620:40SIN - ORD

1 stop27h 52mLufthansa

Sun 6-707:00ORD - SIN

1 stop22h 25mLufthansa

Deal found 10-5S$ 1,249

Thu 6-1101:30SIN - MDW

2 stops34h 14mDelta

Thu 27-1117:59MDW - SIN

2 stops40h 11mDelta

Deal found 10-5S$ 1,254

Mon 27-1021:00SIN - ORD

2 stops30h 39mAir Canada

Thu 13-1113:00ORD - SIN

1 stop28h 55mAir Canada

Deal found 10-5S$ 1,267

Mon 9-620:05SIN - ORD

1 stop31h 20mCathay Pacific

Mon 23-616:00ORD - SIN

1 stop24h 30mCathay Pacific

Deal found 10-5S$ 1,279

Tue 24-610:15SIN - ORD

1 stop36h 25mTurkish Airlines

Tue 1-711:25ORD - SIN

1 stop32h 20mTurkish Airlines

Deal found 10-5S$ 1,282

Tue 27-513:10SIN - ORD

1 stop20h 50mEVA Air

Mon 14-700:30ORD - SIN

1 stop22h 30mEVA Air

Deal found 9-5S$ 1,355

Tue 3-601:55SIN - ORD

1 stop20h 20mJapan Airlines

Wed 2-701:30ORD - SIN

1 stop27h 00mJapan Airlines

Deal found 9-5S$ 1,461

Tue 24-619:45SIN - ORD

2 stops35h 10mIndiGo

Tue 1-719:50ORD - SIN

2 stops32h 30mIndiGo

Deal found 10-5S$ 1,511

Sat 21-620:30SIN - ORD

1 stop23h 55mAir India

Mon 21-712:00ORD - SIN

1 stop30h 30mAir India

Deal found 11-5S$ 1,607

Last-minute flights from Singapore to Illinois
Discover last-minute flight deals from Singapore to Illinois. Data last updated 11 May 2025 and is based on user searches.

Mon 26-501:10SIN - ORD

2 stops33h 20mDelta

Tue 15-709:00ORD - SIN

2 stops25h 40mDelta

Deal found 10-5S$ 1,254

Tue 27-507:30SIN - ORD

1 stop39h 10mKorean Air

Tue 15-712:30ORD - SIN

1 stop42h 25mKorean Air

Deal found 9-5S$ 1,203

Tue 27-507:55SIN - ORD

3 stops40h 41mMultiple Airlines

Tue 15-715:51ORD - SIN

3 stops42h 49mMultiple Airlines

Deal found 10-5S$ 1,294

Tue 27-513:10SIN - ORD

1 stop20h 50mEVA Air

Mon 14-700:30ORD - SIN

1 stop22h 30mEVA Air

Deal found 9-5S$ 1,355

Tue 3-601:55SIN - ORD

1 stop20h 20mJapan Airlines

Wed 2-701:30ORD - SIN

1 stop27h 00mJapan Airlines

Deal found 9-5S$ 1,461

Mon 9-620:05SIN - ORD

1 stop31h 20mCathay Pacific

Mon 23-616:00ORD - SIN

1 stop24h 30mCathay Pacific

Deal found 10-5S$ 1,279

Fri 20-620:40SIN - ORD

1 stop27h 52mLufthansa

Sun 6-707:00ORD - SIN

1 stop22h 25mLufthansa

Deal found 10-5S$ 1,249

Fri 20-607:30SIN - MDW

2 stops38h 14mDelta

Sun 6-709:21MDW - SIN

2 stops30h 39mDelta

Deal found 10-5S$ 1,578

Sat 21-609:10SIN - ORD

2 stops35h 49mAir Canada

Mon 21-720:03ORD - SIN

2 stops46h 02mAir Canada

Deal found 11-5S$ 1,472

Tue 24-608:45SIN - ORD

1 stop29h 14mUnited Airlines

Wed 23-714:40ORD - SIN

1 stop26h 35mUnited Airlines

Deal found 11-5S$ 1,247

Tue 24-610:15SIN - ORD

1 stop36h 25mTurkish Airlines

Tue 1-711:25ORD - SIN

1 stop32h 20mTurkish Airlines

Deal found 10-5S$ 1,282

Tue 24-619:45SIN - ORD

2 stops35h 10mIndiGo

Tue 1-719:50ORD - SIN

2 stops32h 30mIndiGo

Deal found 10-5S$ 1,511

One-way flights from Singapore to Illinois
Search for one-way flight options from Singapore to Illinois. Find affordable one-way fares based on user searches. Data last updated 11 May 2025.

Mon 26-503:40SIN - ORD

2 stops40h 02mMultiple Airlines

Deal found 10-5S$ 626

Sun 13-719:45SIN - ORD

2 stops39h 15mIndiGo

Deal found 11-5S$ 664

Mon 26-501:50SIN - ORD

1 stop25h 35mCathay Pacific

Deal found 10-5S$ 801

Sat 7-603:40SIN - MDW

3 stops56h 38mMultiple Airlines

Deal found 10-5S$ 822

Mon 26-501:10SIN - MDW

2 stops24h 18mDelta

Deal found 10-5S$ 868

Thu 10-709:00SIN - ORD

1 stop35h 25mAir India

Deal found 10-5S$ 874

Sat 7-608:45SIN - ORD

1 stop29h 14mUnited Airlines

Deal found 10-5S$ 912

Sun 6-701:10SIN - ORD

2 stops33h 58mDelta

Deal found 10-5S$ 1,040

Fri 6-615:10SIN - ORD

2 stops38h 46mEVA Air

Deal found 10-5S$ 1,104

Wed 9-701:55SIN - ORD

1 stop20h 20mJapan Airlines

Deal found 10-5S$ 1,250

Sat 12-702:00SIN - ORD

3 stops49h 33mEthiopian Air

Deal found 11-5S$ 2,031

Sat 7-600:40SIN - MDW

2 stops28h 01mKLM

Deal found 10-5S$ 2,400

Cheapflights Fare Finder

Use the filters below to find and compare flights from Singapore to Illinois that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SingaporeChicago

SIN - ORD

SINORD

Singapore Changi

Sun 26-10

01:30-09:30

1 stop21h 00m

Chicago O'Hare Intl

Thu 13-11

11:05-00:10

1 stop23h 05m

S$ 1,202

SingaporeChicago

SIN - ORD

SINORD

Singapore Changi

Fri 7-11

22:20-14:44

1 stop30h 24m

Chicago O'Hare Intl

Thu 27-11

18:00-08:00

1 stop24h 00m

S$ 1,236

SingaporeChicago

SIN - ORD

SINORD

Singapore Changi

Sun 26-10

02:00-13:04

2 stops48h 04m

Chicago O'Hare Intl

Thu 13-11

17:10-13:05

2 stops29h 55m

S$ 1,240

SingaporeChicago

SIN - ORD

SINORD

Singapore Changi

Fri 20-6

20:40-11:32

1 stop27h 52m

Chicago O'Hare Intl

Sun 6-7

07:00-18:25

1 stop22h 25m

S$ 1,249

SingaporeChicago

SIN - MDW

SINMDW

Singapore Changi

Thu 6-11

01:30-21:44

2 stops34h 14m

Chicago Midway

Thu 27-11

17:59-00:10

2 stops40h 11m

S$ 1,254

SingaporeChicago

SIN - ORD

SINORD

Singapore Changi

Mon 26-5

01:10-21:30

2 stops33h 20m

Chicago O'Hare Intl

Tue 15-7

09:00-23:40

2 stops25h 40m

S$ 1,254

SingaporeChicago

SIN - ORD

SINORD

Singapore Changi

Mon 27-10

21:00-14:39

2 stops30h 39m

Chicago O'Hare Intl

Thu 13-11

13:00-07:55

1 stop28h 55m

S$ 1,267

SingaporeChicago

SIN - ORD

SINORD

Singapore Changi

Mon 9-6

20:05-14:25

1 stop31h 20m

Chicago O'Hare Intl

Mon 23-6

16:00-05:30

1 stop24h 30m

S$ 1,279

SingaporeChicago

SIN - ORD

SINORD

Singapore Changi

Tue 24-6

10:15-09:40

1 stop36h 25m

Chicago O'Hare Intl

Tue 1-7

11:25-08:45

1 stop32h 20m

S$ 1,282

SingaporeChicago

SIN - ORD

SINORD

Singapore Changi

Tue 27-5

13:10-21:00

1 stop20h 50m

Chicago O'Hare Intl

Mon 14-7

00:30-12:00

1 stop22h 30m

S$ 1,355

Flights are sorted by cheapest return flights first.

Deals found on 10-5

Showing 1-10 of 33 results

Best time to book a flight from Singapore to Illinois

Have a flexible travel schedule? Discover the best time to fly to Illinois from Singapore with our price prediction graph.

Estimated return 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 Illinois

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

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Singapore to Illinois as you normally would.

Rainfall in Illinois by month

In terms of precipitation, rainfall in Illinois ranges from 43.0 - 125.0 inches per month. August is typically the wettest month, when rainfall can reach 125.0 mm. January is typically the driest time to visit Illinois when rainfall is around 43.0 mm.

Temperature in Illinois by month

If weather is an important factor for your trip to Illinois, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 23.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -5.0 C).

Reviews of airlines servicing Illinois

EVA Air

8.4

Very Good

1,192 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,May 2025

TPE - SEA

The flight and crew were exceptional as always when I fly with EVA.

EVA Air

8.4

Very Good

1,192 reviews

EVA Air

8.4

Very Good

1,192 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,May 2025

TPE - SEA

The flight and crew were exceptional as always when I fly with EVA.

Korean Air

8.4

Very Good

1,070 reviews

EVA Air

8.4

Very Good

1,192 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,May 2025

TPE - SEA

The flight and crew were exceptional as always when I fly with EVA.

Japan Airlines

8.3

Very Good

1,472 reviews

EVA Air

8.4

Very Good

1,192 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,May 2025

TPE - SEA

The flight and crew were exceptional as always when I fly with EVA.

ANA

8.3

Very Good

860 reviews

EVA Air

8.4

Very Good

1,192 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,May 2025

TPE - SEA

The flight and crew were exceptional as always when I fly with EVA.

Delta

8.0

Very Good

7,949 reviews

EVA Air

8.4

Very Good

1,192 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,May 2025

TPE - SEA

The flight and crew were exceptional as always when I fly with EVA.

Related info for your journey

What airport do you fly from for flights from Singapore to Illinois?
Singapore Changi (SIN) is the airport you will fly out of if you book a flight from Singapore to Illinois. It is only a 16.9 km journey to Changi (SIN) from Singapore’s city centre.
What are the cheapest airlines to fly from Singapore to Illinois one-way?
To fly one-way, consider booking your trip with IndiGo, which is currently one of the cheapest options available, starting at S$ 664. Cathay Pacific flights start at S$ 801 while deals on Delta start at S$ 868 one-way.
Can I find deals for flights from Singapore to Illinois that include hotel bookings?
Yes. In addition to deals on Singapore to Illinois flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Singapore to Illinois?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Singapore to Illinois.
Can I find deals for business class flights from Singapore to Illinois?
Yes. Cheapflights offers flight deals from Singapore to Illinois by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Complete your trip

Illinois car hire

Chicago O'Hare Intl Airport car hire

Chicago Midway Airport car hire

Moline Quad-City Airport car hire

Bloomington-Normal Airport car hire

Springfield Capital Airport car hire

Champaign University-Willard Airport car hire

Chicago Greater Rockford Airport car hire

Belleville Airport car hire

Quincy Regional Airport car hire

Chicago car hire

Top 7 airlines flying from Singapore to Illinois

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	CheapestS$ 1,074	AverageS$ 1,594	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
Cathay Pacific	CheapestS$ 1,206	AverageS$ 1,444	FlexibilityNo cancel fee	On-time72%	Search Cathay Pacific flights
Korean Air	CheapestS$ 1,243	AverageS$ 2,635	FlexibilityNo cancel fee	On-time81%	Search Korean Air flights
EVA Air	CheapestS$ 1,277	AverageS$ 1,506	FlexibilityNo cancel fee	On-time74%	Search EVA Air flights
ANA	CheapestS$ 1,395	AverageS$ 2,115	FlexibilityNo cancel fee	On-time80%	Search ANA flights
Japan Airlines	CheapestS$ 1,448	AverageS$ 1,673	FlexibilityNo cancel fee	On-time79%	Search Japan Airlines flights
Etihad Airways	CheapestS$ 1,984	AverageS$ 2,471	FlexibilityNo cancel fee	On-time75%	Search Etihad Airways flights

Fly with Cheapflights

How does Cheapflights help users find flights from Singapore to Illinois?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Singapore to Illinois. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Singapore to Illinois?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Singapore to Illinois.

Can Cheapflights find flights from Singapore to Illinois with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Singapore to Illinois flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Singapore to Illinois become cheaper?

Yes, Cheapflights offers price alerts on Singapore to Illinois flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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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.

Cheap flights from Singapore to Illinois from S$ 626

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 26-5. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Singapore to Illinois

Keep the following information in mind while searching for Singapore to Illinois flight deals. Data was last updated 11 May 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Singapore to Illinois

Cheapest flights from Singapore to IllinoisExplore the most affordable flight options available from Singapore to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 May 2025.

Explore the most affordable flight options available from Singapore to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 May 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Singapore to Illinois that are best for you.

Best time to book a flight from Singapore to Illinois

Have a flexible travel schedule? Discover the best time to fly to Illinois from Singapore with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Singapore to Illinois

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

Find hourly flight availability from Singapore to Illinois. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 11 May 2025.

Rainfall in Illinois by month

Plan your trip to Illinois by taking into account the average rainfall totals by month.

Temperature in Illinois by month

Plan your trip to Illinois by taking into account the average temperature totals by month.

Reviews of airlines servicing Illinois

Related info for your journey

Find useful and relevant information for your journey from Singapore to Illinois. 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 Illinois?

What are the cheapest airlines to fly from Singapore to Illinois one-way?

Can I find deals for flights from Singapore to Illinois that include hotel bookings?

How can I find direct flights from Singapore to Illinois?

Can I find deals for business class flights from Singapore to Illinois?

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.

Alternative routes for Singapore to Illinois

See prices for flight routes from nearby airports that may be better suited for you.

Top 7 airlines flying from Singapore to Illinois

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Singapore to Illinois?

Why should you use Cheapflights to find cheap flight tickets from Singapore to Illinois?

Can Cheapflights find flights from Singapore to Illinois with no change fees?

Can Cheapflights notify me if prices for flights from Singapore to Illinois become cheaper?

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Cheapest flights from Singapore to Illinois
Explore the most affordable flight options available from Singapore to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 May 2025.