S$ 479 Find Cheap Flights from Illinois to Singapore – Compare and Save

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.

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

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

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 from Illinois to Singapore up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

There are 2 airports in Singapore. The busiest airport is Singapore Changi Airport (SIN), with 99% of all flights arriving there.

The cheapest month for flights from Illinois to Singapore is September, when tickets cost S$ 627 (return) on average. On the other hand, the most expensive months are December and June, when the average cost of round-trip tickets is S$ 1,355 and S$ 1,155 respectively.

To get a below-average price on the flight from Illinois to Singapore, you should book around 1 week before departure. For the absolute cheapest price, our data suggests you should book 25 weeks before departure.

An average direct flight from Illinois to Singapore takes 26h 14m, covering a distance of 24361 km. The shortest route is Chicago O'Hare Intl Airport (ORD) to Singapore (SIN) with an average flight time of 24h 30m.

Based on KAYAK flight searches, the most popular destination is Singapore (100% of total searches to Singapore).