SIN

$341 Find Cheap Flights from Illinois to Singapore

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to Singapore departing on 3/18. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to Singapore

Travelers love KAYAK
41,299,237 searches in the past 7 days on KAYAK

Save 24% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Bundle and saveSave money when you bundle your flight + hotel.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Everything you should know

Cheapest round-trip
$988
Cathay Pacific
Wed 1/14Sun 2/1
STL - SIN • 2 stops
Cheapest one-way
$341
Typical prices: $559-$621
Multiple Airlines
Wed 3/18
ORD - SIN • 2 stops
Start a new search
KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to Singapore!
Flight Deals
Useful Info
Flight Deals

Cheap Flights from Illinois to Singapore

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Illinois to Singapore that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Illinois to Singapore

Wed, Jan 14 - Sun, Feb 1
Cathay Pacific Logo
6:00 am - 11:55 amSTL-SIN
39h 55m2 stops
Cathay Pacific Logo
1:25 am - 11:59 pmSIN-STL
36h 34m2 stops
$988Cathay Pacific
Find Deal
Sat, Mar 7 - Sun, Mar 15
Cathay Pacific Logo
9:32 am - 4:50 pmSTL-SIN
41h 18m2 stops
Cathay Pacific Logo
2:05 pm - 11:09 pmSIN-STL
46h 04m2 stops
$1,038Cathay Pacific
Find Deal
Tue, Feb 10 - Sat, Feb 28
Qatar Airways Logo
11:05 am - 8:45 amSTL-SIN
31h 40m2 stops
Qatar Airways Logo
3:15 am - 11:30 pmSIN-STL
34h 15m2 stops
$1,146Qatar Airways
Find Deal
Tue, Feb 10 - Sun, Mar 1
United Airlines Logo
5:00 pm - 8:00 amSTL-SIN
25h 00m1 stop
United Airlines Logo
10:20 pm - 8:26 pmSIN-STL
36h 06m2 stops
$1,179United Airlines
Find Deal
Wed, Jan 21 - Tue, Feb 3
Multiple Airlines Logo
8:10 am - 1:05 pmMDW-SIN
38h 55m3 stops
Multiple Airlines Logo
2:00 am - 9:15 pmSIN-MDW
33h 15m2 stops
$1,206Multiple Airlines
Find Deal
Sat, Mar 7 - Sat, Mar 21
Delta Logo
6:30 am - 5:00 amORD-SIN
32h 30m2 stops
Delta Logo
1:35 am - 9:40 amSIN-ORD
21h 05m1 stop
$1,207Delta
Find Deal
Tue, Feb 10 - Mon, Feb 23
Multiple Airlines Logo
3:35 pm - 9:35 amORD-SIN
28h 00m2 stops
Multiple Airlines Logo
7:40 am - 12:55 pmSIN-ORD
19h 15m1 stop
$1,208Multiple Airlines
Find Deal
Thu, Mar 5 - Sun, Mar 8
Qatar Airways Logo
7:05 am - 2:55 pmEVV-SIN
41h 50m2 stops
Qatar Airways Logo
3:15 am - 9:42 pmSIN-EVV
31h 27m2 stops
$1,263Qatar Airways
Find Deal
Mon, Mar 2 - Fri, Mar 13
Delta Logo
6:00 am - 12:10 amMDW-SIN
28h 10m2 stops
Delta Logo
10:30 pm - 3:25 pmSIN-MDW
29h 55m2 stops
$1,267Delta
Find Deal
Thu, Apr 9 - Mon, Apr 13
United Airlines Logo
10:46 am - 6:45 amMLI-SIN
30h 59m2 stops
United Airlines Logo
8:40 pm - 7:04 pmSIN-MLI
35h 24m2 stops
$1,320United Airlines
Find Deal
Useful Info

Good to know

Low seasonAugust
Cheapest flight$341
Best time to beat the crowds with an average 10% drop in price.
Most popular time to fly with an average 48% increase in price.
Flight from Chicago O'Hare Airport to Singapore

FAQs for booking flights from Illinois 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 round-trip 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.

Everything you need to know for your flight to Singapore

Information on the airport you'll fly into in Singapore

Singapore (SIN)