How does KAYAK find such low prices on flights from Illinois to Singapore?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Illinois to Singapore.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Illinois to Singapore?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Singapore from Illinois is likely to change within 7 days, so travelers know whether to wait or book now.

What is the Hacker Fare option on flights from Illinois to Singapore?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly to Singapore with an airline and back to Illinois with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Illinois to Singapore?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Singapore from Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

S$ 555 CHEAP FLIGHTS from Illinois to Singapore

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Cheap Flights from Illinois to Singapore

Discover the best prices for you by selecting your travel dates on KAYAK.

Return

One-way

Last minute

Recent return flight deals from Illinois to Singapore

Tue, 6 Oct - Tue, 13 Oct

08:49 - 05:15ORD Chicago O'Hare Intl-SIN Singapore Changi

31h 26m1 stop Vancouver Intl

07:00 - 20:12SIN Singapore Changi-ORD Chicago O'Hare Intl

26h 12m2 stops Vancouver Intl Montreal Pierre Elliott Trudeau Intl

S$ 962Air Canada

Tue, 6 Oct - Tue, 13 Oct

14:15 - 05:15ORD Chicago O'Hare Intl-SIN Singapore Changi

26h 00m2 stops Toronto Pearson Intl Vancouver Intl

07:00 - 07:51SIN Singapore Changi-ORD Chicago O'Hare Intl

37h 51m2 stops Vancouver Intl Montreal Pierre Elliott Trudeau Intl

S$ 970Air Canada

Tue, 1 Sep - Thu, 17 Sep

15:40 - 05:15ORD Chicago O'Hare Intl-SIN Singapore Changi

24h 35m1 stop Vancouver Intl

07:00 - 14:43SIN Singapore Changi-ORD Chicago O'Hare Intl

20h 43m1 stop Vancouver Intl

S$ 980Air Canada

Tue, 1 Sep - Thu, 17 Sep

15:40 - 05:15ORD Chicago O'Hare Intl-SIN Singapore Changi

24h 35m1 stop Vancouver Intl

07:00 - 20:12SIN Singapore Changi-ORD Chicago O'Hare Intl

26h 12m2 stops Vancouver Intl Montreal Pierre Elliott Trudeau Intl

S$ 983Air Canada

Tue, 27 Oct - Tue, 10 Nov

15:30 - 07:00ORD Chicago O'Hare Intl-SIN Singapore Changi

26h 30m1 stop Vancouver Intl

08:40 - 14:37SIN Singapore Changi-ORD Chicago O'Hare Intl

19h 57m1 stop Vancouver Intl

S$ 1,008Air Canada

Thu, 10 Sep - Thu, 17 Sep

15:40 - 05:15ORD Chicago O'Hare Intl-SIN Singapore Changi

24h 35m1 stop Vancouver Intl

07:00 - 14:43SIN Singapore Changi-ORD Chicago O'Hare Intl

20h 43m1 stop Vancouver Intl

S$ 1,008Air Canada

Tue, 27 Oct - Tue, 10 Nov

15:30 - 07:00ORD Chicago O'Hare Intl-SIN Singapore Changi

26h 30m1 stop Vancouver Intl

08:40 - 19:52SIN Singapore Changi-ORD Chicago O'Hare Intl

25h 12m2 stops Vancouver Intl Montreal Pierre Elliott Trudeau Intl

S$ 1,012Air Canada

Tue, 22 Sep - Tue, 6 Oct

15:40 - 05:15ORD Chicago O'Hare Intl-SIN Singapore Changi

24h 35m1 stop Vancouver Intl

07:00 - 20:12SIN Singapore Changi-ORD Chicago O'Hare Intl

26h 12m2 stops Vancouver Intl Montreal Pierre Elliott Trudeau Intl

S$ 1,012Air Canada

Mon, 16 Nov - Fri, 27 Nov

15:47 - 08:00ORD Chicago O'Hare Intl-SIN Singapore Changi

26h 13m2 stops Los Angeles San Francisco

10:10 - 00:59SIN Singapore Changi-ORD Chicago O'Hare Intl

28h 49m1 stop San Francisco

S$ 1,709United Airlines

Wed, 9 Dec - Wed, 6 Jan

06:00 - 20:15ORD Chicago O'Hare Intl-SIN Singapore Changi

24h 15m1 stop San Francisco

06:35 - 15:10SIN Singapore Changi-ORD Chicago O'Hare Intl

22h 35m1 stop Tokyo Narita

S$ 2,065United Airlines

Recent last minute flight deals from Illinois to Singapore

Wed, 26 Aug - Wed, 2 Sep

16:00 - 11:45ORD Chicago O'Hare Intl-SIN Singapore Changi

30h 45m1 stop Hong Kong Intl

16:05 - 14:20SIN Singapore Changi-ORD Chicago O'Hare Intl

35h 15m1 stop Hong Kong Intl

S$ 1,341Cathay Pacific

Wed, 26 Aug - Wed, 2 Sep

20:00 - 09:40ORD Chicago O'Hare Intl-SIN Singapore Changi

24h 40m1 stop Abu Dhabi Zayed Intl

08:05 - 23:59SIN Singapore Changi-ORD Chicago O'Hare Intl

28h 54m2 stops Tokyo Narita Seattle/Tacoma Intl

S$ 1,407Multiple Airlines

Wed, 26 Aug - Wed, 2 Sep

08:48 - 23:55ORD Chicago O'Hare Intl-SIN Singapore Changi

26h 07m2 stops Detroit Metropolitan Wayne County Incheon Intl

07:30 - 21:33SIN Singapore Changi-ORD Chicago O'Hare Intl

27h 03m2 stops Incheon Intl Salt Lake City

S$ 1,447Delta

Wed, 26 Aug - Tue, 1 Sep

09:59 - 23:55MDW Chicago Midway-SIN Singapore Changi

24h 56m2 stops Minneapolis St Paul Incheon Intl

01:25 - 22:36SIN Singapore Changi-MDW Chicago Midway

34h 11m2 stops Incheon Intl Atlanta Hartsfield-Jackson

S$ 1,494Delta

Tue, 25 Aug - Tue, 1 Sep

15:24 - 06:15STL Lambert-St Louis-SIN Singapore Changi

25h 51m2 stops Chicago O'Hare Intl San Francisco

08:45 - 20:46SIN Singapore Changi-STL Lambert-St Louis

25h 01m2 stops San Francisco Denver Intl

S$ 1,645United Airlines

Tue, 25 Aug - Tue, 1 Sep

08:50 - 14:35STL Lambert-St Louis-SIN Singapore Changi

40h 45m2 stops Chicago O'Hare Intl Tokyo Narita

20:45 - 22:59SIN Singapore Changi-STL Lambert-St Louis

39h 14m1 stop Los Angeles

S$ 2,713Multiple Airlines

Wed, 26 Aug - Tue, 1 Sep

14:30 - 14:50ORD Chicago O'Hare Intl-SIN Singapore Changi

35h 20m3 stops Washington, D.C. Dulles Intl Lome Addis Ababa Bole

02:00 - 14:27SIN Singapore Changi-ORD Chicago O'Hare Intl

49h 27m3 stops Addis Ababa Bole Lome Washington, D.C. Dulles Intl

S$ 3,279Ethiopian Air

Wed, 26 Aug - Tue, 1 Sep

14:30 - 14:50ORD Chicago O'Hare Intl-SIN Singapore Changi

35h 20m3 stops Washington, D.C. Dulles Intl Lome Addis Ababa Bole

02:00 - 08:15SIN Singapore Changi-ORD Chicago O'Hare Intl

43h 15m2 stops Addis Ababa Bole Rome Fiumicino

S$ 3,440Ethiopian Air

Tue, 25 Aug - Tue, 1 Sep

15:30 - 16:20STL Lambert-St Louis-SIN Singapore Changi

35h 50m1 stop Frankfurt am Main

23:40 - 13:25SIN Singapore Changi-STL Lambert-St Louis

26h 45m1 stop Frankfurt am Main

S$ 3,940Lufthansa

Tue, 25 Aug - Tue, 1 Sep

06:00 - 08:25STL Lambert-St Louis-SIN Singapore Changi

37h 25m3 stops Los Angeles Tokyo Narita Kuala Lumpur Intl

23:00 - 22:59SIN Singapore Changi-STL Lambert-St Louis

36h 59m2 stops London Heathrow Los Angeles

S$ 4,512Malaysia Airlines

Useful Info

Low season	April
High season	December
Cheapest flight	S$ 555

Best time to beat the crowds (22% less expensive on average)

Most popular time to fly (65% more expensive on average)

Flight from Chicago O'Hare Airport to Singapore

How does KAYAK find such low prices on flights from Illinois to Singapore?
KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Illinois to Singapore.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Illinois to Singapore?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Singapore from Illinois is likely to change within 7 days, so travelers know whether to wait or book now.
What is the Hacker Fare option on flights from Illinois to Singapore?
Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly to Singapore with an airline and back to Illinois with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Illinois to Singapore?
Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Singapore from Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight to Singapore

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Complete your trip

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Return flight deals

Information on the airport you'll fly into in Singapore

Singapore (SIN)

S$ 555 Find Cheap Flights from Illinois to Singapore – Compare and Save

Cheap Flights from Illinois to Singapore

Recent return flight deals from Illinois to Singapore

Recent one-way flight deals from Illinois to Singapore

Recent last minute flight deals from Illinois to Singapore

Good to know

Low season

High season

Cheapest flight

FAQs for booking flights from Illinois to Singapore

Everything you need to know for your flight to Singapore

Information on the airport you'll fly into in Singapore

Cabin class types available on flights to Illinois

Complete your trip to Singapore with a hotel stay or car hire

Flights to other popular destinations

Flights from domestic origins to Singapore

Choose which airport to fly into in Singapore

Find deals for your return flight