Getting the cheapest flight is easy thanks to the flight comparator HolidayIQ.
The dates you want to travel on largely determine the price of flights. With HolidayIQ, you can find flights to and from several airports near the cities you choose and on flexible dates.
HolidayIQ helps you find cheap flights to Singapore. You just need to state which city you'd like to depart from. HolidayIQ will review prices among hundreds of flight providers and shows you the cheapest, since you can see offers, last minute flights and other flights taking into account several departure and arrival airports in some cases.
You can also state the number of travelers and class to obtain a more accurate result. Once you get the list of flights to Singapore you can apply other filters and check prices for other dates to save the most on your next trip to Singapore.