SIN

$364 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 4/27. 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 23% 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
$648
Typical prices: $928-$1,194
Air India
Mon 3/2Mon 3/16
ORD - SIN • 1 stop
Cheapest one-way
$364
Typical prices: $507-$624
Air India
Mon 4/27
ORD - SIN • 1 stop
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

Mon, Mar 2 - Mon, Mar 16
Air India Logo
1:30 pm - 9:45 pm
ORD
-
SIN
42h 15m
1 stop
Air India Logo
11:00 pm - 12:30 pm
SIN
-
ORD
50h 30m
2 stops
$648Air India
Mon, Mar 2 - Sun, Mar 8
Air India Logo
1:30 pm - 7:00 am
ORD
-
SIN
27h 30m
1 stop
Air India Logo
8:00 pm - 12:30 pm
SIN
-
ORD
29h 30m
2 stops
$671Air India
Fri, Feb 27 - Sun, Mar 8
Air India Logo
1:30 pm - 7:00 am
ORD
-
SIN
27h 30m
1 stop
Air India Logo
8:00 pm - 12:30 pm
SIN
-
ORD
29h 30m
2 stops
$679Air India
Mon, Mar 2 - Tue, Mar 10
Delta Logo
6:00 am - 5:00 am
MDW
-
SIN
33h 00m
2 stops
Delta Logo
10:40 am - 10:31 pm
SIN
-
MDW
24h 51m
2 stops
$894Delta
Mon, Feb 9 - Sun, Mar 8
Delta Logo
7:16 pm - 12:10 am
MDW
-
SIN
38h 54m
2 stops
Delta Logo
10:30 pm - 10:31 pm
SIN
-
MDW
37h 01m
2 stops
$900Delta
Wed, Mar 11 - Wed, Apr 15
Cathay Pacific Logo
6:38 am - 5:40 am
STL
-
SIN
34h 02m
2 stops
Cathay Pacific Logo
8:05 pm - 11:04 pm
SIN
-
STL
39h 59m
2 stops
$1,084Cathay Pacific
Tue, Apr 21 - Tue, May 12
United Airlines Logo
8:30 am - 6:45 am
STL
-
SIN
33h 15m
1 stop
United Airlines Logo
9:00 am - 6:22 pm
SIN
-
STL
22h 22m
1 stop
$1,126United Airlines
Wed, Mar 11 - Wed, Apr 15
United Airlines Logo
5:15 am - 8:15 pm
STL
-
SIN
26h 00m
2 stops
United Airlines Logo
9:00 am - 6:24 pm
SIN
-
STL
22h 24m
1 stop
$1,130United Airlines
Thu, Apr 2 - Thu, Apr 9
Qatar Airways Logo
4:20 pm - 3:45 pm
EVV
-
SIN
34h 25m
2 stops
Qatar Airways Logo
3:15 am - 11:55 pm
SIN
-
EVV
33h 40m
2 stops
$1,145Qatar Airways
Sat, Apr 4 - Sat, Apr 11
Qatar Airways Logo
8:00 am - 3:45 pm
STL
-
SIN
42h 45m
2 stops
Qatar Airways Logo
7:40 pm - 11:48 pm
SIN
-
STL
41h 08m
2 stops
$1,277Qatar Airways
Useful Info

Good to know

Low seasonAugust
Cheapest flight$364
Best time to beat the crowds with an average 11% drop in price.
Most popular time to fly with an average 46% 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