What airlines fly to Singapore?

Turkish Airlines, United Airlines and Cathay Pacific are the top three most popular airlines that fly to Singapore from Illinois according to our data. Turkish Airlines is the first choice among our users, with 31% of people opting to fly with this airline when traveling to Singapore. Keep in mind that there are 11 different airlines that fly to Singapore on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Illinois to Singapore?

Air India, Cathay Pacific, and IndiGo are the most popular carriers operating from Illinois to Singapore

How long is the flight from Illinois to Singapore?

Flight times from Illinois to Singapore vary, but if you’re flying out of Chicago and flying into Singapore (one of the most popular routes), then the duration is 24h 02m on average. Another popular route from Illinois to Singapore is flying from Moline to Singapore, which will take roughly 30h 30m. Keep in mind that layovers or delays could extend your travel time.

When did momondo last update prices for flights from Illinois to Singapore?

Prices for flights from Illinois to Singapore refresh daily.

How many operators does momondo search for flights from Illinois to Singapore?

As of July 2025, there are 11 operators available to choose from for flights from Illinois to Singapore.

How old do you have to be to fly from Illinois to Singapore?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Illinois to Singapore.

What documentation or ID do you need to fly to Singapore?

The required travel and health documents for your Singapore trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Singapore. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$347 Cheap Flights from Illinois to Singapore in 2025

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Illinois to Singapore

Round-trip

One-way

Last minute

Cheap round-trip flights

12:00 pm - 7:15 amORD-SIN

30h 15m1 stop

11:00 pm - 7:25 amSIN-ORD

45h 25m1 stop

$674Air India

Find Deal

Mon, Sep 1 - Mon, Sep 22

4:00 pm - 5:30 amORD-SIN

24h 30m1 stop

1:50 am - 2:25 pmSIN-ORD

25h 35m1 stop

$690Cathay Pacific

Find Deal

Thu, Oct 9 - Sun, Oct 19

8:20 pm - 5:35 pmORD-SIN

31h 15m1 stop

11:25 pm - 10:05 amSIN-ORD

24h 40m1 stop

$748Turkish Airlines

Find Deal

Mon, Nov 3 - Wed, Nov 19

11:50 am - 5:35 pmORD-SIN

39h 45m1 stop

10:25 am - 6:25 pmSIN-ORD

46h 00m1 stop

$775Turkish Airlines

Find Deal

Thu, Jan 15 - Thu, Jan 29

4:00 pm - 5:30 amORD-SIN

24h 30m1 stop

6:15 am - 8:11 pmSIN-ORD

26h 56m2 stops

$835

Find Deal

Tue, Aug 5 - Mon, Sep 29

4:00 pm - 5:30 amORD-SIN

24h 30m1 stop

10:50 pm - 9:08 amSIN-ORD

47h 18m2 stops

$836

Find Deal

Mon, Sep 1 - Mon, Sep 22

1:39 pm - 6:15 amSTL-SIN

27h 36m2 stops

8:45 am - 10:16 pmSIN-STL

26h 31m2 stops

$1,018United Airlines

Find Deal

Tue, Aug 19 - Tue, Aug 26

5:49 pm - 6:15 amSTL-SIN

23h 26m1 stop

8:45 am - 10:16 pmSIN-STL

26h 31m2 stops

$1,021United Airlines

Find Deal

Tue, Aug 19 - Tue, Aug 26

1:30 pm - 7:05 amSTL-SIN

28h 35m2 stops

9:10 am - 7:57 pmSIN-STL

47h 47m2 stops

$1,022Air Canada

Find Deal

Sun, Sep 7 - Sun, Sep 14

1:30 pm - 7:05 amSTL-SIN

28h 35m2 stops

6:15 am - 7:57 pmSIN-STL

26h 42m2 stops

$1,067Air Canada

Find Deal

Fri, Sep 5 - Fri, Sep 12

Air India flights from Illinois to Singapore

Our best Air India deals on Illinois to Singapore flight tickets

Air India

Sep 1

ORD12:00 pmChicago O'Hare Intl

30h 15m

1 stop

SIN7:15 amSingapore Changi

Sep 22

SIN11:00 pmSingapore Changi

45h 25m

1 stop

ORD7:25 amChicago O'Hare Intl

$674

Find similar

Air India

Sep 1

ORD12:00 pmChicago O'Hare Intl

42h 30m

1 stop

SIN7:30 pmSingapore Changi

Sep 22

SIN11:00 pmSingapore Changi

45h 25m

1 stop

ORD7:25 amChicago O'Hare Intl

$711

Find similar

Air India

Jan 19

ORD11:00 amChicago O'Hare Intl

30h 00m

1 stop

SIN7:00 amSingapore Changi

Mar 10

SIN11:00 pmSingapore Changi

45h 30m

1 stop

ORD7:30 amChicago O'Hare Intl

$751

Find similar

United Airlines flights from Illinois to Singapore

Our best United Airlines deals on Illinois to Singapore flight tickets

United Airlines

Aug 19

STL1:39 pmLambert-St Louis

27h 36m

2 stops

SIN6:15 amSingapore Changi

Aug 26

SIN8:45 amSingapore Changi

26h 31m

2 stops

STL10:16 pmLambert-St Louis

$1,018

Find similar

United Airlines

Aug 19

STL5:49 pmLambert-St Louis

23h 26m

1 stop

SIN6:15 amSingapore Changi

Aug 26

SIN8:45 amSingapore Changi

26h 31m

2 stops

STL10:16 pmLambert-St Louis

$1,021

Find similar

United Airlines

Aug 19

STL5:49 pmLambert-St Louis

23h 26m

1 stop

SIN6:15 amSingapore Changi

Aug 26

SIN8:45 amSingapore Changi

21h 08m

1 stop

STL4:53 pmLambert-St Louis

$1,024

Find similar

How to get the cheapest flight ticket from Illinois to Singapore

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest month to fly to Singapore?

The month of February is, on average, the cheapest month to fly to Singapore from Illinois, with most prices found around $877. If you aren’t able to travel to Singapore during the month of February, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $893.

What is the cheapest day to depart on your flight to Singapore?

The cheapest day to depart from Illinois to Singapore is on a Monday when prices can be found for as low as $1,126. The most expensive day to fly to Singapore is Friday, with ticket prices averaging around $1,491.

What is the cheapest time of day to depart on your flight to Singapore?

At noon is the cheapest time of day to fly from Illinois to Singapore when you can find flight prices for as low as $1,156. Flying to Singapore at noon is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $1,411 on average. Flights to Singapore from Illinois in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.

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

You are more likely to see cheaper flights to Singapore from Illinois when booking weeks ahead of your departure date. In general, you can expect to find flights to Singapore for around $1,151 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Singapore from Illinois for as low as $950 on momondo.

Can stopping save me money on Illinois to Singapore flights?

You could potentially save up to 62% on your flight if you consider stops on a Illinois to Singapore flight.

Cheap Illinois to Singapore flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Illinois to Singapore

Best Price Found	$347
Fastest flight time	23h 26m
Direct flights	None
Airports in Singapore	1 airport

The best one-way flight to Singapore from Illinois in the past 72 hours is $347. The best round-trip flight deal from Illinois to Singapore found on momondo in the last 72 hours is $674.

The fastest flight from Illinois to Singapore takes 23h 26m

There are no direct flights from Illinois to Singapore. Popular non-direct route for this connection is Chicago O'Hare Intl Airport - Singapore Changi Airport.

There is 1 airport near Singapore: Singapore Changi (SIN)

Search flight deals

When did momondo last update prices for flights from Illinois to Singapore?
Prices for flights from Illinois to Singapore refresh daily.
How many operators does momondo search for flights from Illinois to Singapore?
As of July 2025, there are 11 operators available to choose from for flights from Illinois to Singapore.
How old do you have to be to fly from Illinois to Singapore?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Illinois to Singapore.
What documentation or ID do you need to fly to Singapore?
The required travel and health documents for your Singapore trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Singapore. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Illinois to Singapore

Compare and see reviews for airlines that fly from Illinois to Singapore with momondo

Airline	Rating	Free Cancellation	Price
Turkish Airlines	PriceFrom $729	Free Cancellation	Rating 7.3 3,916 reviews	Search Turkish Airlines flights
Japan Airlines	PriceFrom $783	Free Cancellation	Rating 8.3 1,529 reviews	Search Japan Airlines flights
Cathay Pacific	PriceFrom $798	Free Cancellation	Rating 7.6 943 reviews	Search Cathay Pacific flights
United Airlines	PriceFrom $842	Free Cancellation	Rating 7.4 8,880 reviews	Search United Airlines flights
Qatar Airways	PriceFrom $850	Free Cancellation	Rating 7.4 3,611 reviews	Search Qatar Airways flights
Air Canada	PriceFrom $872	Free Cancellation	Rating 7.1 9,787 reviews	Search Air Canada flights
Korean Air	PriceFrom $940	Free Cancellation	Rating 8.4 1,114 reviews	Search Korean Air flights
EVA Air	PriceFrom $1,083	Free Cancellation	Rating 8.4 1,220 reviews	Search EVA Air flights
ANA	PriceFrom $1,089	Free Cancellation	Rating 8.4 921 reviews	Search ANA flights
Delta	PriceFrom $1,139	Free Cancellation	Rating 8.0 7,967 reviews	Search Delta flights

Why use momondo?

Why should I use momondo to find a flight deal from Illinois to Singapore?

It is quick and easy to find Illinois to Singapore flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Singapore that suits you.

Can I find flights from Illinois to Singapore with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Illinois to Singapore flights to just show those with flexible booking policies.

How can momondo help me find flights from Illinois to Singapore?

Once you have performed a search for Illinois to Singapore flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Illinois to Singapore right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Singapore from Illinois. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your Singapore trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Start using Trips

Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

1 adult

Tue 7/29

Tue 8/5

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Singapore

Popular cities in Singapore

Flights to Singaporefrom $534

Cheap flights from Illinois to Singapore from $347

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Illinois to Singapore departing on 8/18. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from Illinois to Singapore

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Air India flights from Illinois to Singapore

Our best Air India deals on Illinois to Singapore flight tickets

United Airlines flights from Illinois to Singapore

Our best United Airlines deals on Illinois to Singapore flight tickets

See travel insights to Singapore from

How to get the cheapest flight ticket from Illinois to Singapore

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Singapore?

What is the cheapest day to depart on your flight to Singapore?

The cheapest day to depart from Illinois to Singapore is on a Monday when prices can be found for as low as $1,126. The most expensive day to fly to Singapore is Friday, with ticket prices averaging around $1,491.

What is the cheapest time of day to depart on your flight to Singapore?

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

Can stopping save me money on Illinois to Singapore flights?

You could potentially save up to 62% on your flight if you consider stops on a Illinois to Singapore flight.

What is the cheapest airline that flies from Illinois to Singapore?

Air India, Cathay Pacific, and IndiGo are the most popular carriers operating from Illinois to Singapore

What airlines fly to Singapore?

How long is the flight from Illinois to Singapore?

Cheap Illinois to Singapore flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Illinois to Singapore

Best Price Found

Fastest flight time

Direct flights

Airports in Singapore

When did momondo last update prices for flights from Illinois to Singapore?

How many operators does momondo search for flights from Illinois to Singapore?

How old do you have to be to fly from Illinois to Singapore?

What documentation or ID do you need to fly to Singapore?

Best airlines flying from Illinois to Singapore

Compare and see reviews for airlines that fly from Illinois to Singapore with momondo

Why use momondo?

Why should I use momondo to find a flight deal from Illinois to Singapore?

Can I find flights from Illinois to Singapore with flexible booking policies on momondo?

How can momondo help me find flights from Illinois to Singapore?

I’m not ready to book a flight from Illinois to Singapore right now. Can momondo alert me if prices change?

An easier way to manage your Singapore trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Singapore

Popular cities in Singapore

Popular flights according to clicks in the last 7 days on momondo