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$ 782. Cathay Pacific flights start at S$ 797 while deals on Delta start at S$ 849 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 Japan Airlines. 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 52% on the cost of this flight compared to booking a flight leaving this week. We have found prices from S$ 1,367 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as S$ 1,786.

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, February can be a great choice for travel to Illinois. Flights to Illinois from Singapore in February are about S$ 1,668 on average during February, but can be found for as low as S$ 1,274.

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$ 719+ Flights from Singapore to Illinois

Cheap flight deals from Singapore to Illinois

Round-trip from	S$ 1,235
One-way from	S$ 781
Popular in	August
Cheapest in	February
Average price	S$ 1,445

United Airlines
25-2-11-3
2 total stops
52h 18m total
Singapore to Illinois

Search Deals

21-3
3 total stops
37h 16m total
Singapore to Illinois

Search Deals

Highest demand for flights based on searches. 5% potential increase in price (S$ 138 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 1% potential price decrease (S$ 40 potential savings vs. average return price).

Search Deals

Average for round-trip flights in February 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 21 February 2025.

Mon 27-1010:10SIN - ORD

1 stop25h 27mUnited Airlines

Thu 13-1121:21ORD - SIN

1 stop32h 54mUnited Airlines

Deal found 20-2S$ 1,234

Sun 26-1001:30SIN - ORD

1 stop21h 00mKorean Air

Thu 13-1111:05ORD - SIN

1 stop43h 20mKorean Air

Deal found 20-2S$ 1,248

Thu 6-1101:25SIN - ORD

1 stop25h 35mCathay Pacific

Thu 27-1114:40ORD - SIN

1 stop31h 15mCathay Pacific

Deal found 20-2S$ 1,266

Sun 12-1009:10SIN - ORD

1 stop45h 45mTurkish Airlines

Fri 17-1019:50ORD - SIN

1 stop22h 40mTurkish Airlines

Deal found 20-2S$ 1,272

Wed 5-311:00SIN - MDW

2 stops25h 20mDelta

Sun 16-309:25MDW - SIN

2 stops25h 45mDelta

Deal found 19-2S$ 1,280

Wed 5-311:00SIN - ORD

2 stops26h 56mDelta

Sun 16-306:15ORD - SIN

2 stops33h 45mDelta

Deal found 19-2S$ 1,280

Fri 12-913:10SIN - ORD

1 stop20h 35mEVA Air

Thu 18-900:30ORD - SIN

1 stop22h 30mEVA Air

Deal found 20-2S$ 1,329

Mon 27-1021:00SIN - ORD

2 stops32h 38mAir Canada

Thu 13-1111:20ORD - SIN

2 stops30h 35mAir Canada

Deal found 20-2S$ 1,372

Sun 6-419:45SIN - ORD

2 stops35h 10mIndiGo

Sun 13-419:50ORD - SIN

2 stops32h 30mIndiGo

Deal found 20-2S$ 1,383

Tue 6-509:00SIN - ORD

1 stop35h 25mAir India

Tue 20-512:00ORD - SIN

1 stop42h 05mAir India

Deal found 20-2S$ 1,403

Sun 6-404:50SIN - ORD

3 stops43h 44mMultiple Airlines

Sun 13-411:25ORD - SIN

2 stops40h 55mMultiple Airlines

Deal found 20-2S$ 1,479

Tue 24-608:05SIN - ORD

2 stops24h 30mAmerican Airlines

Tue 22-701:30ORD - SIN

1 stop27h 00mAmerican Airlines

Deal found 20-2S$ 1,776

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 21 February 2025.

Tue 25-222:20SIN - ORD

1 stop28h 18mUnited Airlines

Tue 11-307:15ORD - SIN

1 stop24h 00mUnited Airlines

Deal found 19-2S$ 1,235

Tue 4-301:25SIN - ORD

1 stop25h 35mCathay Pacific

Sun 16-315:40ORD - SIN

1 stop25h 00mCathay Pacific

Deal found 19-2S$ 1,270

Wed 5-311:00SIN - MDW

2 stops25h 20mDelta

Sun 16-309:25MDW - SIN

2 stops25h 45mDelta

Deal found 19-2S$ 1,280

Wed 5-315:45SIN - ORD

1 stop41h 50mEVA Air

Sat 15-300:30ORD - SIN

1 stop22h 35mEVA Air

Deal found 19-2S$ 1,360

Sun 6-419:45SIN - ORD

2 stops35h 10mIndiGo

Sun 13-419:50ORD - SIN

2 stops32h 30mIndiGo

Deal found 20-2S$ 1,383

Tue 6-509:00SIN - ORD

1 stop35h 25mAir India

Tue 20-512:00ORD - SIN

1 stop42h 05mAir India

Deal found 20-2S$ 1,403

Sun 6-419:45SIN - ORD

2 stops35h 10mMultiple Airlines

Sun 13-412:00ORD - SIN

1 stop42h 05mMultiple Airlines

Deal found 20-2S$ 1,417

Wed 5-317:50SIN - ORD

3 stops50h 44mChina Southern

Sun 16-317:10ORD - SIN

2 stops44h 55mChina Southern

Deal found 19-2S$ 1,831

Sat 5-401:10SIN - ORD

1 stop21h 30mKorean Air

Sun 13-412:20ORD - SIN

1 stop27h 40mKorean Air

Deal found 20-2S$ 2,062

Wed 5-311:00SIN - ORD

2 stops26h 56mDelta

Sun 16-306:15ORD - SIN

2 stops33h 45mDelta

Deal found 19-2S$ 1,280

Mon 31-300:50SIN - ORD

1 stop27h 55mEmirates

Mon 7-420:35ORD - SIN

1 stop29h 25mEmirates

Deal found 19-2S$ 3,809

Mon 5-500:40SIN - MDW

2 stops26h 42mMultiple Airlines

Tue 20-517:59MDW - SIN

2 stops25h 46mMultiple Airlines

Deal found 20-2S$ 2,750

Last-minute flights from Singapore to Illinois
Discover last-minute flight deals from Singapore to Illinois. Data last updated 21 February 2025 and is based on user searches.

Sat 22-215:45SIN - ORD

1 stop41h 50mMultiple Airlines

Sat 1-317:56ORD - SIN

2 stops28h 09mMultiple Airlines

Deal found 20-2S$ 1,507

Tue 25-222:20SIN - ORD

1 stop28h 18mUnited Airlines

Tue 11-307:15ORD - SIN

1 stop24h 00mUnited Airlines

Deal found 19-2S$ 1,235

Tue 25-214:05SIN - ORD

2 stops36h 55mCathay Pacific

Tue 11-315:40ORD - SIN

1 stop25h 00mCathay Pacific

Deal found 19-2S$ 1,314

Tue 25-214:05SIN - ORD

2 stops36h 55mMultiple Airlines

Tue 11-314:10ORD - SIN

3 stops35h 05mMultiple Airlines

Deal found 19-2S$ 1,599

Tue 25-213:15SIN - ORD

1 stop20h 20mEVA Air

Mon 10-300:30ORD - SIN

1 stop22h 35mEVA Air

Deal found 19-2S$ 1,677

Tue 4-301:25SIN - ORD

1 stop25h 35mCathay Pacific

Sun 16-315:40ORD - SIN

1 stop25h 00mCathay Pacific

Deal found 19-2S$ 1,270

Wed 5-311:00SIN - MDW

2 stops25h 20mDelta

Sun 16-309:25MDW - SIN

2 stops25h 45mDelta

Deal found 19-2S$ 1,280

Wed 5-311:00SIN - ORD

2 stops26h 56mDelta

Sun 16-306:15ORD - SIN

2 stops33h 45mDelta

Deal found 19-2S$ 1,280

Wed 5-315:45SIN - ORD

1 stop41h 50mEVA Air

Sat 15-300:30ORD - SIN

1 stop22h 35mEVA Air

Deal found 19-2S$ 1,360

Wed 5-317:50SIN - ORD

3 stops50h 44mChina Southern

Sun 16-317:10ORD - SIN

2 stops44h 55mChina Southern

Deal found 19-2S$ 1,831

Thu 13-300:05SIN - ORD

2 stops26h 10mSWISS

Mon 24-317:10ORD - SIN

2 stops24h 45mSWISS

Deal found 20-2S$ 10,923

Fri 14-320:00SIN - ORD

1 stop24h 30mAir India

Mon 24-312:00ORD - SIN

1 stop30h 00mAir India

Deal found 20-2S$ 5,763

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 21 February 2025.

Fri 21-305:30SIN - ORD

3 stops37h 16mMultiple Airlines

Deal found 20-2S$ 781

Sun 11-519:45SIN - ORD

2 stops35h 10mIndiGo

Deal found 20-2S$ 782

Fri 11-401:50SIN - ORD

1 stop25h 35mCathay Pacific

Deal found 20-2S$ 797

Fri 9-507:30SIN - MDW

2 stops38h 09mDelta

Deal found 20-2S$ 849

Thu 20-301:30SIN - ORD

2 stops35h 23mDelta

Deal found 20-2S$ 849

Sun 11-517:50SIN - ORD

3 stops49h 17mChina Southern

Deal found 20-2S$ 997

Tue 6-509:10SIN - ORD

2 stops35h 53mAir Canada

Deal found 20-2S$ 1,028

Thu 8-502:00SIN - ORD

2 stops43h 05mEthiopian Air

Deal found 20-2S$ 1,234

Mon 5-500:20SIN - ORD

2 stops36h 36mPhilippine Airlines

Deal found 20-2S$ 1,334

Thu 8-503:10SIN - ORD

2 stops32h 10mQatar Airways

Deal found 20-2S$ 1,520

Tue 6-520:40SIN - ORD

3 stops34h 46mUnited Airlines

Deal found 20-2S$ 1,576

Fri 11-401:10SIN - MDW

2 stops24h 22mMultiple Airlines

Deal found 20-2S$ 2,269

Find flights from Singapore to Illinois within your budget

Fly from

Fly to

Route

Depart

Return

Price

SingaporeChicago

SIN - ORD

SINORD

Singapore Changi

Wed 5-3

22:20-06:13

1 stop21h 53m

Chicago O'Hare Intl

Sun 16-3

18:15-07:00

1 stop23h 45m

S$ 1,235

SingaporeChicago

SIN - ORD

SINORD

Singapore Changi

Mon 23-6

01:50-14:25

1 stop25h 35m

Chicago O'Hare Intl

Wed 23-7

16:00-05:30

1 stop24h 30m

S$ 1,269

SingaporeChicago

SIN - MDW

SINMDW

Singapore Changi

Wed 5-3

11:00-22:20

2 stops25h 20m

Chicago Midway

Sun 16-3

09:25-00:10

2 stops25h 45m

S$ 1,280

SingaporeChicago

SIN - ORD

SINORD

Singapore Changi

Wed 5-3

11:00-23:56

2 stops26h 56m

Chicago O'Hare Intl

Sun 16-3

06:15-05:00

2 stops33h 45m

S$ 1,280

SingaporeChicago

SIN - ORD

SINORD

Singapore Changi

Wed 5-3

15:45-19:35

1 stop41h 50m

Chicago O'Hare Intl

Sat 15-3

00:30-12:05

1 stop22h 35m

S$ 1,360

SingaporeChicago

SIN - ORD

SINORD

Singapore Changi

Sun 6-4

19:45-17:55

2 stops35h 10m

Chicago O'Hare Intl

Sun 13-4

19:50-17:20

2 stops32h 30m

S$ 1,383

SingaporeChicago

SIN - ORD

SINORD

Singapore Changi

Tue 6-5

09:00-07:25

1 stop35h 25m

Chicago O'Hare Intl

Tue 20-5

12:00-19:05

1 stop42h 05m

S$ 1,403

SingaporeChicago

SIN - ORD

SINORD

Singapore Changi

Sun 6-4

19:45-17:55

2 stops35h 10m

Chicago O'Hare Intl

Sun 13-4

12:00-19:05

1 stop42h 05m

S$ 1,417

SingaporeChicago

SIN - ORD

SINORD

Singapore Changi

Tue 24-6

09:10-14:49

1 stop42h 39m

Chicago O'Hare Intl

Wed 23-7

08:40-00:45

2 stops27h 05m

S$ 1,609

SingaporeChicago

SIN - ORD

SINORD

Singapore Changi

Tue 24-6

08:05-19:35

2 stops24h 30m

Chicago O'Hare Intl

Tue 22-7

01:30-17:30

1 stop27h 00m

S$ 1,776

Flights are sorted by cheapest return flights first.

Deals found on 20-2

Showing 1-10 of 42 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.

Travel insights for flights from Singapore to Illinois

Get recent, data-driven insights about flights from Singapore to Illinois including ideal travel times, pricing trends, and more.

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

Read reviews from past customers who have flown EVA Air, Korean Air and ANA from Singapore to Illinois. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

EVA Air

8.4

Very Good

1,200 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Piotr,Feb 2025

TPE - ORD

It is always a pleasure to travel with EVA Air.

EVA Air

8.4

Very Good

1,200 reviews

EVA Air

8.4

Very Good

1,200 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Piotr,Feb 2025

TPE - ORD

It is always a pleasure to travel with EVA Air.

Korean Air

8.4

Very Good

1,037 reviews

EVA Air

8.4

Very Good

1,200 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Piotr,Feb 2025

TPE - ORD

It is always a pleasure to travel with EVA Air.

ANA

8.4

Very Good

836 reviews

EVA Air

8.4

Very Good

1,200 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Piotr,Feb 2025

TPE - ORD

It is always a pleasure to travel with EVA Air.

Emirates

8.1

Very Good

3,279 reviews

EVA Air

8.4

Very Good

1,200 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Piotr,Feb 2025

TPE - ORD

It is always a pleasure to travel with EVA Air.

Delta

8.0

Very Good

8,217 reviews

EVA Air

8.4

Very Good

1,200 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Piotr,Feb 2025

TPE - ORD

It is always a pleasure to travel with EVA Air.

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$ 782. Cathay Pacific flights start at S$ 797 while deals on Delta start at S$ 849 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

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Champaign University-Willard 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
Turkish Airlines	CheapestS$ 985	AverageS$ 1,546	FlexibilityNo cancel fee	On-time77%	Search Turkish Airlines flights
United Airlines	CheapestS$ 1,166	AverageS$ 1,586	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
Cathay Pacific	CheapestS$ 1,244	AverageS$ 1,517	FlexibilityNo cancel fee	On-time72%	Search Cathay Pacific flights
EVA Air	CheapestS$ 1,316	AverageS$ 1,593	FlexibilityNo cancel fee	On-time74%	Search EVA Air flights
ANA	CheapestS$ 1,438	AverageS$ 1,884	FlexibilityNo cancel fee	On-time80%	Search ANA flights
Japan Airlines	CheapestS$ 1,493	AverageS$ 1,718	FlexibilityNo cancel fee	On-time79%	Search Japan Airlines flights
Korean Air	CheapestS$ 1,494	AverageS$ 2,351	FlexibilityNo cancel fee	On-time81%	Search Korean Air 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$ 719

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 15-5. 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 21 February 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 21 February 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 21 February 2025.

Find flights from Singapore to Illinois within your budget

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.

Travel insights for flights from Singapore to Illinois

Get recent, data-driven insights about flights from Singapore to Illinois including ideal travel times, pricing trends, and more.

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 21 February 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

Read reviews from past customers who have flown EVA Air, Korean Air and ANA from Singapore to Illinois. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

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 21 February 2025.