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$ 522 CHEAP FLIGHTS from Illinois to Singapore

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Flight Deals

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

Thu, 26 Nov - Thu, 10 Dec

08:49 - 07:00ORD Chicago O'Hare Intl-SIN Singapore Changi

32h 11m1 stop Vancouver Intl

08:40 - 20:01SIN Singapore Changi-ORD Chicago O'Hare Intl

25h 21m1 stop Vancouver Intl

S$ 1,048Air Canada

Wed, 25 Nov - Thu, 3 Dec

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

25h 30m1 stop Vancouver Intl

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

19h 57m1 stop Vancouver Intl

S$ 1,048Air Canada

Wed, 25 Nov - Thu, 3 Dec

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

25h 30m1 stop Vancouver Intl

08:40 - 17:10SIN Singapore Changi-ORD Chicago O'Hare Intl

46h 30m2 stops Vancouver Intl Calgary

S$ 1,048Air Canada

Thu, 26 Nov - Thu, 10 Dec

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

25h 30m1 stop Vancouver Intl

08:40 - 17:10SIN Singapore Changi-ORD Chicago O'Hare Intl

46h 30m2 stops Vancouver Intl Calgary

S$ 1,048Air Canada

Thu, 26 Nov - Thu, 10 Dec

13:55 - 07:00ORD Chicago O'Hare Intl-SIN Singapore Changi

27h 05m2 stops Montreal Pierre Elliott Trudeau Intl Vancouver Intl

08:40 - 17:10SIN Singapore Changi-ORD Chicago O'Hare Intl

46h 30m2 stops Vancouver Intl Calgary

S$ 1,052Air Canada

Tue, 27 Oct - Tue, 3 Nov

13:30 - 07:00ORD Chicago O'Hare Intl-SIN Singapore Changi

28h 30m1 stop San Francisco

10:10 - 23:27SIN Singapore Changi-ORD Chicago O'Hare Intl

27h 17m1 stop San Francisco

S$ 1,396United Airlines

Tue, 1 Dec - Mon, 7 Dec

05:59 - 20:15ORD Chicago O'Hare Intl-SIN Singapore Changi

24h 16m1 stop San Francisco

22:20 - 06:28SIN Singapore Changi-ORD Chicago O'Hare Intl

22h 08m1 stop San Francisco

S$ 1,396United Airlines

Thu, 3 Dec - Wed, 9 Dec

05:59 - 20:15ORD Chicago O'Hare Intl-SIN Singapore Changi

24h 16m1 stop San Francisco

22:20 - 06:28SIN Singapore Changi-ORD Chicago O'Hare Intl

22h 08m1 stop San Francisco

S$ 1,396United Airlines

Mon, 19 Oct - Thu, 22 Oct

14:32 - 06:15ORD Chicago O'Hare Intl-SIN Singapore Changi

26h 43m1 stop San Francisco

08:45 - 23:00SIN Singapore Changi-ORD Chicago O'Hare Intl

27h 15m1 stop San Francisco

S$ 1,396United Airlines

Sun, 3 Jan - Sun, 9 May

18:50 - 08:45ORD Chicago O'Hare Intl-SIN Singapore Changi

23h 55m1 stop Doha Hamad Intl

19:40 - 15:05SIN Singapore Changi-ORD Chicago O'Hare Intl

32h 25m1 stop Doha Hamad Intl

S$ 1,503JetBlue

Recent last minute flight deals from Illinois to Singapore

Tue, 6 Oct - Sun, 11 Oct

20:05 - 09:40ORD Chicago O'Hare Intl-SIN Singapore Changi

24h 35m1 stop Abu Dhabi Zayed Intl

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

20h 43m1 stop Vancouver Intl

S$ 1,227Multiple Airlines

Tue, 6 Oct - Sun, 11 Oct

20:05 - 09:40ORD Chicago O'Hare Intl-SIN Singapore Changi

24h 35m1 stop Abu Dhabi Zayed Intl

07:00 - 16:35SIN Singapore Changi-ORD Chicago O'Hare Intl

22h 35m2 stops Vancouver Intl Winnipeg

S$ 1,246Multiple Airlines

Thu, 8 Oct - Fri, 23 Oct

13:20 - 09:40ORD Chicago O'Hare Intl-SIN Singapore Changi

31h 20m1 stop Abu Dhabi Zayed Intl

21:00 - 08:35SIN Singapore Changi-ORD Chicago O'Hare Intl

24h 35m1 stop Abu Dhabi Zayed Intl

S$ 1,265Etihad Airways

Thu, 8 Oct - Sat, 24 Oct

13:20 - 09:40ORD Chicago O'Hare Intl-SIN Singapore Changi

31h 20m1 stop Abu Dhabi Zayed Intl

21:00 - 08:55SIN Singapore Changi-ORD Chicago O'Hare Intl

24h 55m1 stop Abu Dhabi Zayed Intl

S$ 1,316Etihad Airways

Mon, 5 Oct - Mon, 19 Oct

16:15 - 20:50ORD Chicago O'Hare Intl-SIN Singapore Changi

39h 35m1 stop Hong Kong Intl

13:25 - 13:55SIN Singapore Changi-ORD Chicago O'Hare Intl

37h 30m1 stop Hong Kong Intl

S$ 1,327Cathay Pacific

Thu, 8 Oct - Thu, 22 Oct

13:20 - 09:40ORD Chicago O'Hare Intl-SIN Singapore Changi

31h 20m1 stop Abu Dhabi Zayed Intl

21:00 - 15:40SIN Singapore Changi-ORD Chicago O'Hare Intl

31h 40m1 stop Abu Dhabi Zayed Intl

S$ 1,351Etihad Airways

Mon, 5 Oct - Mon, 19 Oct

06:40 - 05:00ORD Chicago O'Hare Intl-SIN Singapore Changi

33h 20m2 stops Atlanta Hartsfield-Jackson Incheon Intl

22:00 - 09:30SIN Singapore Changi-ORD Chicago O'Hare Intl

24h 30m1 stop Incheon Intl

S$ 1,371Delta

Mon, 5 Oct - Mon, 19 Oct

06:40 - 05:00ORD Chicago O'Hare Intl-SIN Singapore Changi

33h 20m2 stops Atlanta Hartsfield-Jackson Incheon Intl

22:00 - 16:58SIN Singapore Changi-ORD Chicago O'Hare Intl

31h 58m2 stops Incheon Intl Atlanta Hartsfield-Jackson

S$ 1,384Delta

Thu, 8 Oct - Wed, 21 Oct

20:10 - 08:45ORD Chicago O'Hare Intl-SIN Singapore Changi

23h 35m1 stop Istanbul

23:05 - 09:40SIN Singapore Changi-ORD Chicago O'Hare Intl

23h 35m1 stop Istanbul

S$ 1,428Turkish Airlines

Thu, 8 Oct - Tue, 20 Oct

20:10 - 09:30ORD Chicago O'Hare Intl-SIN Singapore Changi

24h 20m1 stop Istanbul

23:05 - 09:40SIN Singapore Changi-ORD Chicago O'Hare Intl

23h 35m1 stop Istanbul

S$ 1,428Turkish Airlines

Useful Info

Low season	April
High season	December
Cheapest flight	S$ 522

Best time to beat the crowds (24% less expensive on average)

Most popular time to fly (57% 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.