Cheap flights from Illinois to Singapore from $509
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 9/26. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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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?
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 $924.
What is the cheapest day to depart on your flight to Singapore?
The cheapest day to depart from Illinois to Singapore is on a Tuesday when prices can be found for as low as $1,166. The most expensive day to fly to Singapore is Friday, with ticket prices averaging around $1,365.
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 $1,148. 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 $1,434 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 20 weeks ahead of your departure date. In general, you can expect to find flights to Singapore for around $1,184 when searching 20 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 $972 on momondo.
What is the cheapest airline that flies from Illinois to Singapore Changi?
Air India, Cathay Pacific, and IndiGo are the most popular carriers operating from Illinois to Singapore Changi
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 32% 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.
Cheap Illinois to Singapore flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Illinois to Singapore
When did momondo last update prices for flights from Illinois to Singapore Changi Airport?
Prices for flights from Illinois to Singapore Changi Airport refresh daily.
How many operators does momondo search for flights from Illinois to Singapore Changi Airport?
As of May 2025, there are 11 operators available to choose from for flights from Illinois to Singapore Changi Airport.
How old do you have to be to fly from Illinois to Singapore Changi Airport?
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 Changi Airport.
What documentation or ID do you need to fly to Singapore Changi Airport?
The required travel and health documents for your Singapore Changi Airport 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 Changi Airport. 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 | ||
|---|---|---|---|---|---|
| PriceFrom $735 | Free Cancellation | Rating 7.3 3,791 reviews | |||
| PriceFrom $741 | Free Cancellation | Rating 8.3 1,464 reviews | |||
| PriceFrom $821 | Free Cancellation | Rating 7.5 855 reviews | |||
| PriceFrom $885 | Free Cancellation | Rating 7.4 8,696 reviews | |||
| PriceFrom $895 | Free Cancellation | Rating 7.0 9,252 reviews | |||
| PriceFrom $985 | Free Cancellation | Rating 8.4 1,068 reviews | |||
| PriceFrom $1,051 | Free Cancellation | Rating 8.4 1,186 reviews | |||
| PriceFrom $1,086 | Free Cancellation | Rating 8.3 852 reviews | |||
| PriceFrom $1,189 | Free Cancellation | Rating 7.4 3,563 reviews | |||
| PriceFrom $1,203 | Free Cancellation | Rating 7.6 1,275 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Illinois to Singapore?
Finding the right flight to Singapore from Illinois is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Singapore quick and easy, saving you time and money.
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 in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Singapore from Illinois.
I’m not ready to book a flight from Illinois to Singapore right now. Can momondo alert me if prices change?
Yes. momondo can track prices for Illinois to Singapore flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.