Cheap flights from Singapore to Illinois from $493
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Singapore to Illinois departing on 6/28. 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 Singapore to Illinois
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 Illinois?
The cheapest month to fly to Illinois from Singapore is in April. Flight prices, which tend to average around $934, are often lower during this time because this is during the off-season. If you aren’t able to travel to Illinois during the month of April, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $1,004.
What is the cheapest day to depart on your flight to Illinois?
The cheapest day to depart from Singapore to Illinois is on a Monday when prices can be found for as low as $1,114. Flights from Singapore to Illinois on a Thursday will generally be more expensive and average around $1,564. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.
What is the cheapest time of day to depart on your flight to Illinois?
Our most recent data shows that the best time of day to fly to Illinois is at noon. Flights from Singapore to Illinois during this time can be as low as $1,166. Flights in the morning are often more expensive with an average ticket price of $1,286.
How far in advance should I book a flight to Illinois?
You are more likely to see cheaper flights to Illinois from Singapore when booking 8 weeks ahead of your departure date. In general, you can expect to find flights to Illinois for around $1,280 when searching 8 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Illinois from Singapore for as low as $1,061 on momondo.
What is the cheapest airline that flies from Singapore Changi to Illinois?
Japan Airlines, American Airlines, and IndiGo are the most popular carriers operating from Singapore Changi to Illinois
What airlines fly to Illinois?
EVA Air, Cathay Pacific and United Airlines are the top three most popular airlines that fly to Illinois from Singapore according to our data. EVA Air is the first choice among our users, with 36% of people opting to fly with this airline when traveling to Illinois. Keep in mind that there are 3 different airlines that fly to Illinois on a routine basis, so you have a few additional options to choose from.
Cheap Singapore to Illinois flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Singapore to Illinois
When did momondo last update prices for flights from Singapore Changi Airport to Illinois?
Prices for flights from Singapore Changi Airport to Illinois are refreshed on a daily basis.
How many operators does momondo search for flights from Singapore Changi Airport to Illinois?
As of June 2025, there are 3 operators available to choose from for flights from Singapore Changi Airport to Illinois.
How old do you have to be to fly from Singapore Changi Airport to Illinois?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Singapore Changi Airport to Illinois.
What documentation or ID do you need to fly to Illinois?
The travel and health documents required for your trip to Illinois can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Illinois. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
Best airlines flying from Singapore to Illinois
Compare and see reviews for airlines that fly from Singapore to Illinois with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $802 | Free Cancellation | Rating 7.4 8,801 reviews | |||
| PriceFrom $882 | Free Cancellation | Rating 7.5 893 reviews | |||
| PriceFrom $981 | Free Cancellation | Rating 8.4 1,204 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Singapore to Illinois?
momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Singapore to Illinois. momondo saves you time and could save you money on your trip.
Can I find flights from Singapore to Illinois with flexible booking policies on momondo?
Yes. All flights to Illinois from Singapore on momondo can be compared and filtered by various policies on offer, including flexible booking.
How can momondo help me find flights from Singapore to Illinois?
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 Illinois from Singapore.
I’m not ready to book a flight from Singapore to Illinois right now. Can momondo alert me if prices change?
Yes momondo offers price alerts on flights to Illinois from Singapore. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.